website documentation doesn't say it's making ascii art

because that documentation shows a graphical image

.gitignore

@@ -0,0 +1 @@
+*~

Changes

@@ -1,3 +1,299 @@
+feedgnuplot (1.62)
+
+  * I explicitly ignore all lines that have '-' values
+    These may come from vnl-filter -p "dx=diff(x)" ... output. For instance, this
+    plot is broken before this patch:
+
+      (echo '# x'; seq 5) | vnl-filter --noskipempty -p 'd=diff(x)' \
+      | feedgnuplot --lines
+
+ -- Dima Kogan <dkogan@debian.org>  Sat, 27 Jan 2024 17:01:18 -0800
+
+feedgnuplot (1.61)
+
+  * #! line uses /usr/bin/env to work with nonstandard installations
+  * Added --cblabel to label the color bar
+  * Added --cbmin, --cbmax
+  * --zmin,--zmax,--zlabel are always sent, if requested
+  * Plotting with no STDIN data works
+
+ -- Dima Kogan <dkogan@debian.org>  Fri, 04 Mar 2022 14:45:36 -0800
+
+feedgnuplot (1.60)
+
+  * Test suite fix: we have the right number of tests
+
+ -- Dima Kogan <dkogan@debian.org>  Fri, 27 Aug 2021 10:46:18 -0700
+
+feedgnuplot (1.59)
+
+  * --timefmt --histogram work together
+
+ -- Dima Kogan <dkogan@debian.org>  Thu, 22 Jul 2021 17:52:08 -0700
+
+feedgnuplot (1.58)
+
+  * Added --using, --usingall
+  * Added --cmds as a synonym for --extracmds
+
+ -- Dima Kogan <dkogan@debian.org>  Thu, 11 Mar 2021 16:24:46 -0800
+
+feedgnuplot (1.57)
+
+  * Added --xticlabels to label the x-axis tics from the data
+  * Added --equation-above and --equation-below to control the equation
+    drawing sequence
+
+ -- Dima Kogan <dkogan@debian.org>  Sun, 21 Feb 2021 13:56:23 -0800
+
+feedgnuplot (1.56)
+
+  * Updated default hardcopy settings
+
+ -- Dima Kogan <dkogan@debian.org>  Wed, 03 Feb 2021 14:42:15 -0800
+
+feedgnuplot (1.55)
+
+  * Fixed regression introduced in 1.54:
+    --style now correctly overrides --with
+
+ -- Dima Kogan <dkogan@debian.org>  Mon, 20 Jul 2020 15:51:23 -0700
+
+feedgnuplot (1.54)
+
+  * Added --every and --everyall to decimate the input data
+  * --timefmt can be used with --histogram
+
+ -- Dima Kogan <dkogan@debian.org>  Fri, 17 Apr 2020 14:06:55 -0700
+
+feedgnuplot (1.53)
+
+  * Full support for all 4 axes. Added --x2...
+
+ -- Dima Kogan <dkogan@debian.org>  Wed, 08 Jan 2020 18:55:29 -0800
+
+feedgnuplot (1.52)
+
+  * Added --squarexy and --square-xy as synonyms to --square_xy
+
+ -- Dima Kogan <dima@secretsauce.net>  Sun, 25 Aug 2019 15:32:37 -0700
+
+feedgnuplot (1.51)
+
+  * Added .gp "terminal" to create self-plotting gnuplot files
+
+ -- Dima Kogan <dima@secretsauce.net>  Sat, 29 Sep 2018 10:56:30 -0700
+
+feedgnuplot (1.50)
+
+  * Script waits for the plot window to close before exiting
+      Instead of sleeping forever. This is really nice! I no longer need
+      to quit the plot window AND then C-c. Quitting the plot window is
+      now sufficient
+  * by default --image sets range noextend
+  * tab-completion knows about the fnormal distribution
+
+ -- Dima Kogan <dkogan@debian.org>  Fri, 24 Aug 2018 13:11:05 -0700
+
+feedgnuplot (1.49)
+
+  * --vnl now works with plots that have rangesize > 1
+  * zsh completion: --xlen argument isn't optional
+
+ -- Dima Kogan <dima@secretsauce.net>  Fri, 16 Mar 2018 13:52:28 -0700
+
+feedgnuplot (1.48)
+
+  * --vnlog works properly with --domain
+
+ -- Dima Kogan <dima@secretsauce.net>  Sat, 24 Feb 2018 12:33:50 -0800
+
+feedgnuplot (1.47)
+
+  * Fixed typo. Everything is un-broken now
+
+ -- Dima Kogan <dima@secretsauce.net>  Fri, 23 Feb 2018 10:21:13 -0800
+
+feedgnuplot (1.46)
+
+  * Added --tuplesize and --tuplesizeall as alternatives to --rangesize
+    and --rangesizeall. Both forms are supported.
+  * Vnlog integration
+
+ -- Dima Kogan <dima@secretsauce.net>  Thu, 22 Feb 2018 23:37:54 -0800
+
+feedgnuplot (1.45)
+
+  * zsh completion: --hardcopy, --image  suggest filenames
+  * --image now produces a nicer legend: just the filename
+  * --curvestyle now overrides --curvestyleall
+    - This is a bug fix
+  * The version is now treated as a string not as a number
+    - So "1.40" is distinct from "1.4"
+
+ -- Dima Kogan <dima@secretsauce.net>  Sun, 29 Oct 2017 13:56:28 -0700
+
+feedgnuplot (1.44)
+
+  * --image draws its output beneath everything else
+
+ -- Dima Kogan <dima@secretsauce.net>  Tue, 20 Jun 2017 16:44:30 -0700
+
+feedgnuplot (1.43)
+
+  * Added --image
+
+ -- Dima Kogan <dima@secretsauce.net>  Mon, 19 Jun 2017 13:12:38 -0700
+
+feedgnuplot (1.42)
+
+  * Data can now come from STDIN or files on the cmdline.
+    This fixes a regression. Self-plotting data files work again
+
+ -- Dima Kogan <dima@secretsauce.net>  Fri, 31 Mar 2017 15:38:47 -0700
+
+feedgnuplot (1.41)
+
+  * Histograms: --xlen can coexist with --xmin/--xmax
+  * Histograms: work as expected with --xlen and --monotonic
+  * Histograms: better sanity checking of options
+
+ -- Dima Kogan <dima@secretsauce.net>  Fri, 24 Feb 2017 23:42:28 -0800
+
+feedgnuplot (1.40)
+
+  * If the options couldn't be parsed I don't dump the whole manpage
+  * --style and --rangesize can now take a comma-separated list of IDs
+  * 'any' is from List::MoreUtils, not List::Util
+  * the sleep-forever delay at end is now > 1000 days
+
+ -- Dima Kogan <dima@secretsauce.net>  Fri, 25 Nov 2016 14:45:06 -0800
+
+feedgnuplot (1.39)
+
+  * by default, histograms are plotted in expected ways
+
+ -- Dima Kogan <dima@secretsauce.net>  Sat, 15 Oct 2016 20:45:15 -0700
+
+feedgnuplot (1.38)
+
+  * hardcopy defaults:
+    - no enhanced text mode
+    - larger font size
+
+ -- Dima Kogan <dima@secretsauce.net>  Wed, 27 Jul 2016 22:15:11 -0700
+
+feedgnuplot (1.37)
+
+  * At the end of a streaming plot, include the last chunk of data
+  * Added --equation to the completions
+
+ -- Dima Kogan <dima@secretsauce.net>  Fri, 01 Jan 2016 08:09:43 -0800
+
+feedgnuplot (1.36)
+
+  * Added --equation to plot symbolic equations
+
+ -- Dima Kogan <dima@secretsauce.net>  Fri, 13 Nov 2015 11:08:26 -0800
+
+feedgnuplot (1.35)
+
+  * replaced a 'say' with 'print'. Should work better with ancient perls
+  * an "exit" command now has effect even with triggered-only replotting
+
+  * More sophisticated handling of termination conditions:
+    - Without --exit, we always end up with an interactive plot when the
+    input data is exhausted or when the user sends a ^C to the pipeline
+    - When streaming, the first ^C does not kill feedgnuplot
+  
+  * Removed threading
+
+ -- Dima Kogan <dima@secretsauce.net>  Sun, 01 Nov 2015 12:50:33 -0800
+
+feedgnuplot (1.34)
+
+  * Fix for "Use of implicit split to @_ is deprecated". Thanks to Corey
+    Putkunz
+
+  * Declaring feedgnuplot as a package to let MetaCPAN index this
+    distribution
+
+ -- Dima Kogan <dima@secretsauce.net>  Wed, 14 May 2014 00:45:24 -0700
+
+feedgnuplot (1.33)
+
+  * fixed incorrect plotting of --timefmt --rangesize plots
+
+ -- Dima Kogan <dima@secretsauce.net>  Thu, 06 Feb 2014 23:17:21 -0800
+
+feedgnuplot (1.32)
+
+  * Added --rangesize and --rangesizeall. Different curves can now plot
+    different-size tuples
+
+ -- Dima Kogan <dima@secretsauce.net>  Wed, 05 Feb 2014 13:57:58 -0800
+
+feedgnuplot (1.31)
+
+  * Test suite requires gawk to get strftime()
+
+ -- Dima Kogan <dima@secretsauce.net>  Sat, 25 Jan 2014 20:49:38 -0800
+
+feedgnuplot (1.30)
+
+  * Added --with, --set, --unset, --style, --styleall
+
+ -- Dima Kogan <dima@secretsauce.net>  Fri, 24 Jan 2014 15:38:07 -0800
+
+feedgnuplot (1.29)
+
+  * added CPAN meta-data to require IPC::Run at build time
+
+ -- Dima Kogan <dima@secretsauce.net>  Wed, 04 Dec 2013 21:12:40 -0800
+
+feedgnuplot (1.28)
+
+  * Minor POD update
+
+ -- Dima Kogan <dima@secretsauce.net>  Wed, 04 Dec 2013 02:01:05 -0800
+
+feedgnuplot (1.27)
+
+  * Disabled tests that can fail on some arches (can be re-enabled with
+    environment variable)
+  * Removed sample debianization; this program is now in Debian proper
+
+ -- Dima Kogan <dima@secretsauce.net>  Tue, 03 Dec 2013 23:37:40 -0800
+
+feedgnuplot (1.26)
+
+  * Minor POD fixes
+
+ -- Dima Kogan <dima@secretsauce.net>  Sun, 20 Oct 2013 01:17:57 -0700
+
+feedgnuplot (1.25)
+
+  * Added test suite
+  * Added initial support for --timefmt. Currently time/date data is
+    supported only at the x-axis domain
+  * Added --exit option for force feedgnuplot to return even if gnuplot
+    may not yet be done rendering (patch by Eric Schulte)
+  * Reformatted the documentation
+  * y2-axis curves no longer have a thicker line by default
+  * --hardcopy now handles piped output (gnuplot 'set output |process'
+    syntax)
+
+ -- Dima Kogan <dima@secretsauce.net>  Sun, 20 Oct 2013 00:09:36 -0700
+
+feedgnuplot (1.24)
+
+  * Fixed regression in --monotonic. This works again now
+  * moved POD back into the main source file. This fixes the broken usage
+    messages
+  * added --version
+
+ -- Dima Kogan <dima@secretsauce.net>  Fri, 08 Feb 2013 01:53:47 -0800
+
 feedgnuplot (1.23)
 
   * --extracmds no longer accepts comma-separated lists

INSTALL

@@ -1,11 +1,8 @@
 If running on a Debian-based OS (this includes Ubuntu), it is highly recommended
-to install this program as a package by doing
+to install this program as a package. In Debian and Ubuntu, feedgnuplot is in
+the official repos, so all you need to do is
 
-   ln -fs package_definitions/debian debian
-   dpkg-buildpackage -us -uc -b
-   sudo dpkg -i ../feedgnuplot*.deb
-
-This builds a debian package and installs it.
+   sudo apt-get install feedgnuplot
 
 Without a package, an installation can be done with
 
@@ -13,4 +10,11 @@ Without a package, an installation can be done with
          make
          make install
 
-This installs feedgnuplot to /usr/local. Adjust the paths as required
+This installs feedgnuplot to /usr/local. Adjust the paths as required.
+
+Also, note that this is a self-contained utility. Usually running from the tree
+works just fine:
+
+         git clone https://github.com/dkogan/feedgnuplot.git
+         cd feedgnuplot/bin
+         ./feedgnuplot ...

MANIFEST

@@ -1,8 +1,7 @@
 Makefile.PL
 MANIFEST
 bin/feedgnuplot
-bin/feedgnuplot.pod
-t/00-load.t
 t/manifest.t
+t/plots.t
 Changes
 LICENSE

Makefile.PL

@@ -9,12 +9,28 @@ sub parseversion
 # libpackage-perl (0.02)
 #
 # I parse out the 0.02 part
-  open DCH, 'Changes' or die "Couldn't open 'Changes'";
+  open DCH, '<', 'Changes' or die "Couldn't open 'Changes'";
   my ($version) = <DCH> =~ /^\S+ \s* \( ([0-9\.]+) \)/x
     or die "Couldn't parse version from 'Changes'";
   close DCH;
 
+  # The version is also stored in the script itself. Here I extract that version
+  # number and make sure the two match
+  open PL, '<', 'bin/feedgnuplot' or die "Couldn't open 'bin/feedgnuplot'";
+
+  while(<PL>)
+  {
+    if( /VERSION = '([0-9\.]+)'/ )
+    {
+      if ( $1 ne $version )
+      {
+        die "Version mismatch. Changes says version is '$version', but 'bin/feedgnuplot' says it is '$1'";
+      }
+
       return $version;
+    }
+  }
+  die "Couldn't parse version from 'bin/feedgnuplot'";
 }
 
 sub MY::libscan
@@ -42,14 +58,14 @@ WriteMakefile
    NAME                       => 'feedgnuplot',
    AUTHOR                     => q{Dima Kogan <dima@secretsauce.net>},
    VERSION                    => parseversion(),
-   ABSTRACT_FROM              => 'bin/feedgnuplot.pod',
    ($ExtUtils::MakeMaker::VERSION >= 6.3002
     ? ('LICENSE'              => 'perl')
     : ()),
    PL_FILES                   => {},
    EXE_FILES                  => [ 'bin/feedgnuplot' ],
-   MAN1PODS                   => { 'bin/feedgnuplot.pod' => 'blib/man1/feedgnuplot.1' },
-   PREREQ_PM                  => { 'Test::Script::Run' => 0},
+   BUILD_REQUIRES             => { 'String::ShellQuote' => 0,
+                                   'List::MoreUtils'    => 0,
+                                   'IPC::Run'           => 0},
    dist                       => { COMPRESS => 'gzip -9f', SUFFIX => 'gz', },
    clean                      => { FILES => 'feedgnuplot-*' },
   );

README.pod

@@ -1 +0,0 @@
-bin/feedgnuplot.pod

bin/feedgnuplot.pod

@@ -1,396 +0,0 @@
-=head1 NAME
-
-feedgnuplot - Pipe-oriented frontend to Gnuplot
-
-=head1 SYNOPSIS
-
-Simple plotting of stored data:
-
- $ seq 5 | awk '{print 2*$1, $1*$1}'
- 2 1
- 4 4
- 6 9
- 8 16
- 10 25
-
- $ seq 5 | awk '{print 2*$1, $1*$1}' |
-   feedgnuplot --lines --points --legend 0 "data 0" --title "Test plot" --y2 1
-
-Simple real-time plotting example: plot how much data is received on the wlan0
-network interface in bytes/second (uses bash, awk and Linux):
-
- $ while true; do sleep 1; cat /proc/net/dev; done |
-   gawk '/wlan0/ {if(b) {print $2-b; fflush()} b=$2}' |
-   feedgnuplot --lines --stream --xlen 10 --ylabel 'Bytes/sec' --xlabel seconds
-
-=head1 DESCRIPTION
-
-This is a flexible, command-line-oriented frontend to Gnuplot. It creates
-plots from data coming in on STDIN or given in a filename passed on the
-commandline. Various data representations are supported, as is hardcopy
-output and streaming display of live data. A simple example:
-
- $ seq 5 | awk '{print 2*$1, $1*$1}' | feedgnuplot
-
-You should see a plot with two curves. The C<awk> command generates some data to
-plot and the C<feedgnuplot> reads it in from STDIN and generates the plot. The
-C<awk> invocation is just an example; more interesting things would be plotted
-in normal usage. No commandline-options are required for the most basic
-plotting. Input parsing is flexible; every line need not have the same number of
-points. New curves will be created as needed.
-
-The most commonly used functionality of gnuplot is supported directly by the
-script. Anything not directly supported can still be done with the
-C<--extracmds> and C<--curvestyle> options. Arbitrary gnuplot commands can be
-passed in with C<--extracmds>. For example, to turn off the grid, pass in
-C<--extracmds 'unset grid'>. As many of these options as needed can be passed
-in. To add arbitrary curve styles, use C<--curvestyle curveID extrastyle>. Pass
-these more than once to affect more than one curve. To apply an extra style to
-I<all> the curves that lack an explicit C<--curvestyle>, pass in
-C<--curvestyleall extrastyle>.
-
-=head2 Data formats
-
-By default, each value present in the incoming data represents a distinct data
-point, as demonstrated in the original example above (we had 10 numbers in the
-input and 10 points in the plot). If requested, the script supports more
-sophisticated interpretation of input data
-
-=head3 Domain selection
-
-If C<--domain> is passed in, the first value on each line of input is
-interpreted as the I<X>-value for the rest of the data on that line. Without
-C<--domain> the I<X>-value is the line number, and the first value on a line is
-a plain data point like the others. Default is C<--nodomain>. Thus the original
-example above produces 2 curves, with B<1,2,3,4,5> as the I<X>-values. If we run
-the same command with --domain:
-
- $ seq 5 | awk '{print 2*$1, $1*$1}' | feedgnuplot --domain
-
-we get only 1 curve, with B<2,4,6,8,10> as the I<X>-values. As many points as
-desired can appear on a single line, but all points on a line are associated
-with the I<X>-value at the start of that line.
-
-=head3 Curve indexing
-
-By default, each column represents a separate curve. This is fine unless sparse
-data is to be plotted. With the C<--dataid> option, each point is represented by
-2 values: a string identifying the curve, and the value itself. If we add
-C<--dataid> to the original example:
-
- $ seq 5 | awk '{print 2*$1, $1*$1}' | feedgnuplot --dataid --autolegend
-
-we get 5 different curves with one point in each. The first column, as produced
-by C<awk>, is B<2,4,6,8,10>. These are interpreted as the IDs of the curves to
-be plotted. The C<--autolegend> option adds a legend using the given IDs to
-label the curves. The IDs need not be numbers; generic strings are accepted. As
-many points as desired can appear on a single line. C<--domain> can be used in
-conjunction with C<--dataid>.
-
-=head3 Multi-value style support
-
-Depending on how gnuplot is plotting the data, more than one value may be needed
-to represent a single point. For example, the script has support to plot all the
-data with C<--circles>. This requires a radius to be specified for each point in
-addition to the position of the point. Thus, when plotting with C<--circles>, 2
-numbers are read for each data point instead of 1. A similar situation exists
-with C<--colormap> where each point contains the position I<and> the
-color. There are other gnuplot styles that require more data (such as error
-bars), but none of these are directly supported by the script. They can still be
-used, though, by specifying the specific style with C<--curvestyle>, and
-specifying how many extra values are needed for each point with
-C<--extraValuesPerPoint extra>. C<--extraValuesPerPoint> is ONLY needed for the
-styles not explicitly supported; supported styles set that variable
-automatically.
-
-=head3 3D data
-
-To plot 3D data, pass in C<--3d>. C<--domain> MUST be given when plotting 3D
-data to avoid domain ambiguity. If 3D data is being plotted, there are by
-definition 2 domain values instead of one (I<Z> as a function of I<X> and I<Y>
-instead of I<Y> as a function of I<X>). Thus the first 2 values on each line are
-interpreted as the domain instead of just 1. The rest of the processing happens
-the same way as before.
-
-=head3 Special data commands
-
-Other than the raw data, 2 special commands are interpreted if they appear in
-the input. These are C<replot> and C<clear>. If a line of data begins with
-C<replot> and we're plotting in realtime with C<--stream>, the plot will be
-refreshed immediately. If a line of data begins with C<clear>, the plot is
-cleared, to be re-filled with any data following the C<clear>.
-
-=head2 Real-time streaming data
-
-To plot real-time data, pass in the C<--stream [refreshperiod]> option. Data
-will then be plotted as it is received. The plot will be updated every
-C<refreshperiod> seconds. If the period isn't specified, a 1Hz refresh rate is
-used. To refresh at specific intervals indicated by the data, set the
-refreshperiod to 0 or to 'trigger'. The plot will then I<only> be refreshed when
-a data line 'replot' is received. This 'replot' command works in both triggered
-and timed modes, but in triggered mode, it's the only way to replot.
-
-To plot only the most recent data (instead of I<all> the data), C<--xlen
-windowsize> can be given. This will create an constantly-updating, scrolling
-view of the recent past. C<windowsize> should be replaced by the desired length
-of the domain window to plot, in domain units (passed-in values if C<--domain>
-or line numbers otherwise).
-
-=head2 Hardcopy output
-
-The script is able to produce hardcopy output with C<--hardcopy outputfile>. The
-output type can be inferred from the filename, if B<.ps>, B<.eps>, B<.pdf>,
-B<.svg> or B<.png> is requested. If any other file type is requested,
-C<--terminal> I<must> be passed in to tell gnuplot how to make the plot.
-
-=head2 Self-plotting data files
-
-This script can be used to enable self-plotting data files. There are 2 ways of
-doing this: with a shebang (#!) or with inline perl data.
-
-=head3 Self-plotting data with a #!
-
-A self-plotting, executable data file C<data> is formatted as
-
- $ cat data
- #!/usr/bin/feedgnuplot --lines --points
- 2 1
- 4 4
- 6 9
- 8 16
- 10 25
- 12 36
- 14 49
- 16 64
- 18 81
- 20 100
- 22 121
- 24 144
- 26 169
- 28 196
- 30 225
-
-This is the shebang (#!) line followed by the data, formatted as before. The
-data file can be plotted simply with
-
- $ ./data
-
-The caveats here are that on Linux the whole #! line is limited to 127 charaters
-and that the full path to feedgnuplot must be given. The 127 character limit is
-a serious limitation, but this can likely be resolved with a kernel patch. I
-have only tried on Linux 2.6.
-
-=head3 Self-plotting data with perl inline data
-
-Perl supports storing data and code in the same file. This can also be used to
-create self-plotting files:
-
- $ cat plotdata.pl
- #!/usr/bin/perl
- use strict;
- use warnings;
-
- open PLOT, "| feedgnuplot --lines --points" or die "Couldn't open plotting pipe";
- while( <DATA> )
- {
-   my @xy = split;
-   print PLOT "@xy\n";
- }
- __DATA__
- 2 1
- 4 4
- 6 9
- 8 16
- 10 25
- 12 36
- 14 49
- 16 64
- 18 81
- 20 100
- 22 121
- 24 144
- 26 169
- 28 196
- 30 225
-
-This is especially useful if the logged data is not in a format directly
-supported by feedgnuplot. Raw data can be stored after the __DATA__ directive,
-with a small perl script to manipulate the data into a useable format and send
-it to the plotter.
-
-=head1 ARGUMENTS
-
-  --[no]domain         If enabled, the first element of each line is the
-                       domain variable.  If not, the point index is used
-
-  --[no]dataid         If enabled, each data point is preceded by the ID
-                       of the data set that point corresponds to. This ID is
-                       interpreted as a string, NOT as just a number. If not
-                       enabled, the order of the point is used.
-
-As an example, if line 3 of the input is "0 9 1 20"
- '--nodomain --nodataid' would parse the 4 numbers as points in 4
-   different curves at x=3
-
- '--domain --nodataid' would parse the 4 numbers as points in 3 different
-   curves at x=0. Here, 0 is the x-variable and 9,1,20 are the data values
-
- '--nodomain --dataid' would parse the 4 numbers as points in 2 different
-   curves at x=3. Here 0 and 1 are the data IDs and 9 and 20 are the
-   data values
-
- '--domain --dataid' would parse the 4 numbers as a single point at
-   x=0. Here 9 is the data ID and 1 is the data value. 20 is an extra
-   value, so it is ignored. If another value followed 20, we'd get another
-   point in curve ID 20
-
-  --[no]3d             Do [not] plot in 3D. This only makes sense with --domain.
-                       Each domain here is an (x,y) tuple
-
-  --colormap           Show a colormapped xy plot. Requires extra data for the color.
-                       zmin/zmax can be used to set the extents of the colors.
-                       Automatically increments extraValuesPerPoint
-
-  --stream [period]    Plot the data as it comes in, in realtime. If period is given,
-                       replot every period seconds. If no period is given, replot at
-                       1Hz. If the period is given as 0 or 'trigger', replot ONLY when
-                       the incoming data dictates this . See the "Real-time streaming
-                       data" section of the man page.
-
-  --[no]lines          Do [not] draw lines to connect consecutive points
-  --[no]points         Do [not] draw points
-  --circles            Plot with circles. This requires a radius be specified for
-                       each point. Automatically increments extraValuesPerPoint
-
-  --xlabel xxx         Set x-axis label
-  --ylabel xxx         Set y-axis label
-  --y2label xxx        Set y2-axis label. Does not apply to 3d plots
-  --zlabel xxx         Set y-axis label. Only applies to 3d plots
-
-  --title  xxx         Set the title of the plot
-
-  --legend curveID legend
-                       Set the label for a curve plot. Use this option multiple times
-                       for multiple curves. With --dataid, curveID is the ID. Otherwise,
-                       it's the index of the curve, starting at 0
-
-  --autolegend         Use the curve IDs for the legend. Titles given with --legend
-                       override these
-
-  --xlen xxx           When using --stream, sets the size of the x-window to plot.
-                       Omit this or set it to 0 to plot ALL the data. Does not
-                       make sense with 3d plots. Implies --monotonic
-
-  --xmin  xxx          Set the range for the x axis. These are ignored in a
-                       streaming plot
-  --xmax  xxx          Set the range for the x axis. These are ignored in a
-                       streaming plot
-  --ymin  xxx          Set the range for the y axis.
-  --ymax  xxx          Set the range for the y axis.
-  --y2min xxx          Set the range for the y2 axis. Does not apply to 3d plots.
-  --y2max xxx          Set the range for the y2 axis. Does not apply to 3d plots.
-  --zmin  xxx          Set the range for the z axis. Only applies to 3d plots or colormaps.
-  --zmax  xxx          Set the range for the z axis. Only applies to 3d plots or colormaps.
-
-  --y2    xxx          Plot the data specified by this curve ID on the y2 axis.
-                       Without --dataid, the ID is just an ordered 0-based index.
-                       Does not apply to 3d plots. Can be passed multiple times, or passed a
-                       comma-separated list
-
-  --histogram  curveID
-                       Set up a this specific curve to plot a histogram. The bin
-                       width is given with the --binwidth option (assumed 1.0 if
-                       omitted). --histogram does NOT touch the drawing style.
-                       It is often desired to plot these with boxes, and this
-                       MUST be explicitly requested with --curvestyleall 'with
-                       boxes'. This works with --domain and/or --stream, but in
-                       those cases the x-value is used ONLY to cull old data
-                       because of --xlen or --monotonic. I.e. the x-values are
-                       NOT drawn in any way. Can be passed multiple times, or passed a comma-
-                       separated list
-  --binwidth width     The width of bins when making histograms. This setting applies to ALL
-                       histograms in the plot. Defaults to 1.0 if not given.
-  --histstyle style    Normally, histograms are generated with the 'smooth freq'
-                       gnuplot style. --histstyle can be used to select
-                       different 'smooth' settings. Allowed are 'unique',
-                       'cumulative' and 'cnormal'. 'unique' indicates whether a
-                       bin has at least one item in it: instead of counting the
-                       items, it'll always report 0 or 1. 'cumulative' is the
-                       integral of the "normal" histogram. 'cnormal' is like
-                       'cumulative', but rescaled to end up at 1.0.
-
-  --curvestyle curveID style
-                       Additional styles per curve. With --dataid, curveID is
-                       the ID. Otherwise, it's the index of the curve, starting
-                       at 0. Use this option multiple times for multiple curves.
-                       --curvestylall does NOT apply to curves that have a
-                       --curvestyle
-
-  --curvestyleall xxx  Additional styles for all curves that have no --curvestyle
-
-  --extracmds xxx      Additional commands. These could contain extra global styles
-                       for instance. Can be passed multiple times.
-
-  --square             Plot data with aspect ratio 1. For 3D plots, this controls the
-                       aspect ratio for all 3 axes
-
-  --square_xy          For 3D plots, set square aspect ratio for ONLY the x,y axes
-
-  --hardcopy xxx       If not streaming, output to a file specified here. Format
-                       inferred from filename, unless specified by --terminal
-  --terminal xxx       String passed to 'set terminal'. No attempts are made to
-                       validate this. --hardcopy sets this to some sensible
-                       defaults if --hardcopy is given .png, .pdf, .ps, .eps or
-                       .svg. If any other file type is desired, use both
-                       --hardcopy and --terminal
-
-  --maxcurves xxx      The maximum allowed number of curves. This is 100 by default,
-                       but can be reset with this option. This exists purely to
-                       prevent perl from allocating all of the system's memory when
-                       reading bogus data
-
-  --monotonic          If --domain is given, checks to make sure that the x-
-                       coordinate in the input data is monotonically increasing.
-                       If a given x-variable is in the past, all data currently
-                       cached for this curve is purged. Without --monotonic, all
-                       data is kept. Does not make sense with 3d plots.
-                       No --monotonic by default.
-
-  --extraValuesPerPoint xxx
-                       How many extra values are given for each data point. Normally this
-                       is 0, and does not need to be specified, but sometimes we want
-                       extra data, like for colors or point sizes or error bars, etc.
-                       feedgnuplot options that require this (colormap, circles)
-                       automatically set it. This option is ONLY needed if unknown styles are
-                       used, with --curvestyleall for instance
-
-  --dump               Instead of printing to gnuplot, print to STDOUT. For
-                       debugging.
-
-  --geometry           If using X11, specifies the size, position of the plot window
-
-=head1 ACKNOWLEDGEMENT
-
-This program is originally based on the driveGnuPlots.pl script from
-Thanassis Tsiodras. It is available from his site at
-L<http://users.softlab.ece.ntua.gr/~ttsiod/gnuplotStreaming.html>
-
-=head1 REPOSITORY
-
-L<https://github.com/dkogan/feedgnuplot>
-
-=head1 AUTHOR
-
-Dima Kogan, C<< <dima@secretsauce.net> >>
-
-=head1 LICENSE AND COPYRIGHT
-
-Copyright 2011-2012 Dima Kogan.
-
-This program is free software; you can redistribute it and/or modify it
-under the terms of either: the GNU General Public License as published
-by the Free Software Foundation; or the Artistic License.
-
-See http://dev.perl.org/licenses/ for more information.
-
-=cut

completions/bash/feedgnuplot

@@ -1,43 +1,73 @@
 complete -W               \
 '                         \
-    --domain                                    \
-    --dataid                                    \
     --3d                  \
-    --colormap                                  \
-    --stream                                    \
-    --lines                                     \
-    --points                                    \
-    --circles                                   \
-    --xlabel                                    \
-    --ylabel                                    \
-    --y2label                                   \
-    --zlabel                                    \
-    --zlabel                                    \
-    --title                                     \
     --autolegend          \
-    --xlen                                      \
-    --xmin                                      \
-    --xmax                                      \
-    --ymin                                      \
-    --ymax                                      \
-    --y2min                                     \
-    --y2max                                     \
-    --zmin                                      \
-    --zmax                                      \
-    --y2                                        \
+    --binwidth            \
+    --circles             \
+    --colormap            \
+    --curvestyle          \
     --curvestyleall       \
-    --extracmds                                 \
-    --square                                    \
-    --square_xy                                 \
+    --style               \
+    --styleall            \
+    --every               \
+    --everyall            \
+    --with                \
+    --dataid              \
+    --domain              \
+    --dump                \
+    --exit                \
+    --extraValuesPerPoint \
+    --rangesizeall        \
+    --rangesize           \
+    --tuplesizeall        \
+    --tuplesize           \
+    --cmds                \
+    --set                 \
+    --unset               \
+    --equation            \
+    --equation-below      \
+    --equation-above      \
+    --image               \
+    --geometry            \
     --hardcopy            \
+    --help                \
+    --histogram           \
+    --histstyle           \
+    --legend              \
+    --lines               \
     --maxcurves           \
     --monotonic           \
-    --extraValuesPerPoint                       \
-    --dump                                      \
-    --geometry                                  \
-    --curvestyle                                \
-    --histogram                                 \
-    --binwidth                                  \
-    --histstyle                                 \
+    --points              \
+    --square              \
+    --square-xy           \
+    --stream              \
     --terminal            \
-    --legend' feedgnuplot
+    --timefmt             \
+    --title               \
+    --version             \
+    --x2                  \
+    --y2                  \
+    --x2y1                \
+    --x1y2                \
+    --x2y2                \
+    --xlabel              \
+    --xlen                \
+    --xmax                \
+    --xmin                \
+    --x2label             \
+    --x2max               \
+    --x2min               \
+    --ylabel              \
+    --ymax                \
+    --ymin                \
+    --y2label             \
+    --y2max               \
+    --y2min               \
+    --zlabel              \
+    --zmax                \
+    --zmin                \
+    --cblabel             \
+    --xticlabels          \
+    --using               \
+    --usingall            \
+    --vnlog ' feedgnuplot

completions/zsh/_feedgnuplot

@@ -10,35 +10,65 @@ _arguments -S
     '--points'                                                                    \
     '--circles'                                                                   \
     '--xlabel:X-axis label:'                                                      \
+    '--x2label:X2-axis label:'                                                    \
     '--ylabel:Y-axis label:'                                                      \
     '--y2label:Y2-axis label:'                                                    \
     '--zlabel:Z-axis label:'                                                      \
-    '--zlabel:Z-axis label:'                                                            \
+    '--cblabel:Colorbar label:'                                                      \
     '--title:Plot title:'                                                         \
     '--autolegend[Label each plot with its data ID]'                              \
-    '(--3d)--xlen[the size of the x-window to plot]::window size:'                      \
-    '--xmin:min X:'                                                                     \
-    '--xmax:max X:'                                                                     \
+    '(--3d)--xlen[the size of the x-window to plot]:window size:'                 \
+    '(--xlen)--xmin:min X:'                                                       \
+    '(--xlen)--xmax:max X:'                                                       \
+    '--x2min:min X2:'                                                             \
+    '--x2max:max X2:'                                                             \
     '--ymin:min Y:'                                                               \
     '--ymax:max Y:'                                                               \
     '--y2min:min Y2:'                                                             \
     '--y2max:max Y2:'                                                             \
     '--zmin:min Z:'                                                               \
     '--zmax:max Z:'                                                               \
-    '*--y2:plot to place on the Y2 axis:'                                               \
-    '--curvestyleall[Additional styles for ALL curves]:'                                \
-    '*--extracmds[Additional gnuplot commands]:'                                        \
+    '*--x2:curve to place on the X2Y1 axis:'                                      \
+    '*--y2:curve to place on the X1Y2 axis:'                                      \
+    '*--x2y1:curve to place on the X2Y1 axis:'                                    \
+    '*--x1y2:curve to place on the X1Y2 axis:'                                    \
+    '*--x2y2:curve to place on the X2Y2 axis:'                                    \
+    '(--with)--curvestyleall[Additional styles for ALL curves]:style'             \
+    '(--with)--styleall[Additional styles for ALL curves]:style'                  \
+    '(--curvestyleall)--with[Additional styles for ALL curves]:style'             \
+    '*--cmds[Additional gnuplot commands]:command'                                \
+    '*--set[Additional 'set' gnuplot commands]:set-option'                        \
+    '*--unset[Additional 'unset' gnuplot commands]:unset-option'                  \
+    '*--equation[Raw symbolic equation]:equation'                                 \
+    '*--equation-below[Raw symbolic equation]:equation'                           \
+    '*--equation-above[Raw symbolic equation to plot on top]:equation'            \
+    '--image[Image file to render beneath the data]:image:_files -g "(#i)*.(jpg|jpeg|png|gif)"' \
     '--square[Plot data with square aspect ratio]'                                \
-    '--square_xy[For 3D plots, set square aspect ratio for ONLY the x,y axes]'          \
-    '--hardcopy[Plot to a file]:'                                                       \
-    '--maxcurves[The maximum allowed number of curves]:'                                \
+    '--square-xy[For 3D plots, set square aspect ratio for ONLY the x,y axes]'    \
+    '--hardcopy[Plot to a file]:new image filename:_files -g "(#i)*.(jpg|jpeg|png|gif)"' \
+    '--maxcurves[The maximum allowed number of curves]:number of curves'          \
     '(--3d)--monotonic[Resets plot if an X in the past is seen]'                  \
-    '--extraValuesPerPoint[How many extra values are given for each data point]:'       \
+    '(--rangesizeall)--extraValuesPerPoint[How many extra values are given for each data range]:N'\
+    '(--extraValuesPerPoint)--rangesizeall[How many values are given for each data range]:N'\
+    '*--rangesize[How many values comprise a data range in this curve]:curve id: :N:' \
+    '(--extraValuesPerPoint)--tuplesizeall[How many values are given for each data tuple]:N'\
+    '*--tuplesize[How many values comprise a data tuple in this curve]:curve id: :N:' \
     '--dump[Instead of printing to gnuplot, print to STDOUT]'                     \
     '--geometry[The X11 geometry string]:geometry string:'                        \
     '*--curvestyle[Additional styles for a curve]:curve id: :style:'              \
+    '*--style[Additional styles for a curve]:curve id: :style:'                   \
+    '*--every[Decimation factor for a curve]:curve id: :decimation factor:'       \
+    '--everyall[Decimation factor for ALL curves]:decimation factor'              \
+    '*--using[Column specification for a curve]:curve id: :column specification:' \
+    '--usingall[Column specification ALL curves]:column specification'            \
     '(--3d)*--histogram:plot to treat as a histogram:'                            \
     '--binwidth:Histogram bin width:'                                             \
-    '--histstyle:Style of histogram:(frequency unique cumulative cnormal)'              \
+    '--histstyle:Style of histogram:(frequency fnormal unique cumulative cnormal)' \
     '--terminal:Terminal options to set with "set terminal":'                     \
-    '*--legend[Legend for a curve]:curve id: :legend:'
+    '*--legend[Legend for a curve]:curve id: :legend:'                            \
+    '--exit[Exit gnuplot after making the plot]'                                  \
+    '--version'                                                                   \
+    '--help'                                                                      \
+    '--timefmt[Format for time/date data]:time format'                            \
+    '--xticlabels[x-axis tic labels are read from the data]'                      \
+    '--vnlog[column IDs come from a vnlog header]'

documentation-header-network-throughput-plot.svg

@@ -0,0 +1,141 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 6.1 patchlevel 0 </desc>
+
+<g id="gnuplot_canvas">
+
+<rect x="0" y="0" width="800" height="600" fill="none"/>
+<defs>
+
+	<circle id='gpDot' r='0.5' stroke-width='0.5' stroke='currentColor'/>
+	<path id='gpPt0' stroke-width='0.190' stroke='currentColor' d='M-1,0 h2 M0,-1 v2'/>
+	<path id='gpPt1' stroke-width='0.190' stroke='currentColor' d='M-1,-1 L1,1 M1,-1 L-1,1'/>
+	<path id='gpPt2' stroke-width='0.190' stroke='currentColor' d='M-1,0 L1,0 M0,-1 L0,1 M-1,-1 L1,1 M-1,1 L1,-1'/>
+	<rect id='gpPt3' stroke-width='0.190' stroke='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<rect id='gpPt4' stroke-width='0.190' stroke='currentColor' fill='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<circle id='gpPt5' stroke-width='0.190' stroke='currentColor' cx='0' cy='0' r='1'/>
+	<use xlink:href='#gpPt5' id='gpPt6' fill='currentColor' stroke='none'/>
+	<path id='gpPt7' stroke-width='0.190' stroke='currentColor' d='M0,-1.33 L-1.33,0.67 L1.33,0.67 z'/>
+	<use xlink:href='#gpPt7' id='gpPt8' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt7' id='gpPt9' stroke='currentColor' transform='rotate(180)'/>
+	<use xlink:href='#gpPt9' id='gpPt10' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt3' id='gpPt11' stroke='currentColor' transform='rotate(45)'/>
+	<use xlink:href='#gpPt11' id='gpPt12' fill='currentColor' stroke='none'/>
+	<path id='gpPt13' stroke-width='0.190' stroke='currentColor' d='M0,1.330 L1.265,0.411 L0.782,-1.067 L-0.782,-1.076 L-1.265,0.411 z'/>
+	<use xlink:href='#gpPt13' id='gpPt14' fill='currentColor' stroke='none'/>
+	<filter id='textbox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='white' flood-opacity='1' result='bgnd'/>
+	  <feComposite in='SourceGraphic' in2='bgnd' operator='atop'/>
+	</filter>
+	<filter id='greybox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='lightgrey' flood-opacity='1' result='grey'/>
+	  <feComposite in='SourceGraphic' in2='grey' operator='atop'/>
+	</filter>
+</defs>
+<g fill="none" color="white" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M114.00,532.80 L124.50,532.80 M770.62,532.80 L760.12,532.80  '/>	<g transform="translate(104.21,537.35)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M114.00,454.50 L124.50,454.50 M770.62,454.50 L760.12,454.50  '/>	<g transform="translate(104.21,459.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 50000</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M114.00,376.20 L124.50,376.20 M770.62,376.20 L760.12,376.20  '/>	<g transform="translate(104.21,380.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 100000</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M114.00,297.90 L124.50,297.90 M770.62,297.90 L760.12,297.90  '/>	<g transform="translate(104.21,302.45)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 150000</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M114.00,219.61 L124.50,219.61 M770.62,219.61 L760.12,219.61  '/>	<g transform="translate(104.21,224.16)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 200000</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M114.00,141.31 L124.50,141.31 M770.62,141.31 L760.12,141.31  '/>	<g transform="translate(104.21,145.86)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 250000</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M114.00,63.01 L124.50,63.01 M770.62,63.01 L760.12,63.01  '/>	<g transform="translate(104.21,67.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 300000</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M179.66,532.80 L179.66,522.30 M179.66,63.01 L179.66,73.51  '/>	<g transform="translate(179.66,558.35)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M310.99,532.80 L310.99,522.30 M310.99,63.01 L310.99,73.51  '/>	<g transform="translate(310.99,558.35)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M442.31,532.80 L442.31,522.30 M442.31,63.01 L442.31,73.51  '/>	<g transform="translate(442.31,558.35)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M573.63,532.80 L573.63,522.30 M573.63,63.01 L573.63,73.51  '/>	<g transform="translate(573.63,558.35)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 12</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M704.96,532.80 L704.96,522.30 M704.96,63.01 L704.96,73.51  '/>	<g transform="translate(704.96,558.35)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 14</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M114.00,63.01 L114.00,532.80 L770.62,532.80 L770.62,63.01 L114.00,63.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	<g id="gnuplot_plot_1"  fill="none"><title>gnuplot_plot_1</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='rgb(148,   0, 211)'  d='M114.00,501.01 L179.66,485.53 L245.32,440.28 L310.99,424.13 L376.65,501.11 L442.31,485.75 L507.97,460.08 L573.63,443.50
+		L639.30,496.07 L704.96,118.85 L770.62,494.86  '/></g>
+	</g>
+<g fill="none" color="white" stroke="rgb(148,   0, 211)" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M114.00,63.01 L114.00,532.80 L770.62,532.80 L770.62,63.01 L114.00,63.01 Z  '/>	<g transform="translate(22.38,297.91) rotate(270.00)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>Bytes/sec</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(442.31,589.85)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>seconds</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(442.31,36.06)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>wlan0 throughput</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+</g>
+</svg>
+

documentation-header-plot.svg

@@ -0,0 +1,204 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 6.1 patchlevel 0 </desc>
+
+<g id="gnuplot_canvas">
+
+<rect x="0" y="0" width="800" height="600" fill="none"/>
+<defs>
+
+	<circle id='gpDot' r='0.5' stroke-width='0.5' stroke='currentColor'/>
+	<path id='gpPt0' stroke-width='0.190' stroke='currentColor' d='M-1,0 h2 M0,-1 v2'/>
+	<path id='gpPt1' stroke-width='0.190' stroke='currentColor' d='M-1,-1 L1,1 M1,-1 L-1,1'/>
+	<path id='gpPt2' stroke-width='0.190' stroke='currentColor' d='M-1,0 L1,0 M0,-1 L0,1 M-1,-1 L1,1 M-1,1 L1,-1'/>
+	<rect id='gpPt3' stroke-width='0.190' stroke='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<rect id='gpPt4' stroke-width='0.190' stroke='currentColor' fill='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<circle id='gpPt5' stroke-width='0.190' stroke='currentColor' cx='0' cy='0' r='1'/>
+	<use xlink:href='#gpPt5' id='gpPt6' fill='currentColor' stroke='none'/>
+	<path id='gpPt7' stroke-width='0.190' stroke='currentColor' d='M0,-1.33 L-1.33,0.67 L1.33,0.67 z'/>
+	<use xlink:href='#gpPt7' id='gpPt8' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt7' id='gpPt9' stroke='currentColor' transform='rotate(180)'/>
+	<use xlink:href='#gpPt9' id='gpPt10' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt3' id='gpPt11' stroke='currentColor' transform='rotate(45)'/>
+	<use xlink:href='#gpPt11' id='gpPt12' fill='currentColor' stroke='none'/>
+	<path id='gpPt13' stroke-width='0.190' stroke='currentColor' d='M0,1.330 L1.265,0.411 L0.782,-1.067 L-0.782,-1.076 L-1.265,0.411 z'/>
+	<use xlink:href='#gpPt13' id='gpPt14' fill='currentColor' stroke='none'/>
+	<filter id='textbox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='white' flood-opacity='1' result='bgnd'/>
+	  <feComposite in='SourceGraphic' in2='bgnd' operator='atop'/>
+	</filter>
+	<filter id='greybox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='lightgrey' flood-opacity='1' result='grey'/>
+	  <feComposite in='SourceGraphic' in2='grey' operator='atop'/>
+	</filter>
+</defs>
+<g fill="none" color="white" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M53.84,558.00 L64.34,558.00  '/>	<g transform="translate(44.05,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M53.84,496.13 L64.34,496.13  '/>	<g transform="translate(44.05,500.68)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 3</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M53.84,434.25 L64.34,434.25  '/>	<g transform="translate(44.05,438.80)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M53.84,372.38 L64.34,372.38  '/>	<g transform="translate(44.05,376.93)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M53.84,310.50 L64.34,310.50  '/>	<g transform="translate(44.05,315.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M53.84,248.63 L64.34,248.63  '/>	<g transform="translate(44.05,253.18)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 7</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M53.84,186.76 L64.34,186.76  '/>	<g transform="translate(44.05,191.31)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M53.84,124.88 L64.34,124.88  '/>	<g transform="translate(44.05,129.43)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 9</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M53.84,63.01 L64.34,63.01  '/>	<g transform="translate(44.05,67.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M53.84,558.00 L53.84,547.50 M53.84,63.01 L53.84,73.51  '/>	<g transform="translate(53.84,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M137.32,558.00 L137.32,547.50 M137.32,63.01 L137.32,73.51  '/>	<g transform="translate(137.32,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 1.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M220.80,558.00 L220.80,547.50 M220.80,63.01 L220.80,73.51  '/>	<g transform="translate(220.80,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M304.28,558.00 L304.28,547.50 M304.28,63.01 L304.28,73.51  '/>	<g transform="translate(304.28,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 2.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M387.76,558.00 L387.76,547.50 M387.76,63.01 L387.76,73.51  '/>	<g transform="translate(387.76,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 3</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M471.23,558.00 L471.23,547.50 M471.23,63.01 L471.23,73.51  '/>	<g transform="translate(471.23,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 3.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M554.71,558.00 L554.71,547.50 M554.71,63.01 L554.71,73.51  '/>	<g transform="translate(554.71,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M638.19,558.00 L638.19,547.50 M638.19,63.01 L638.19,73.51  '/>	<g transform="translate(638.19,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 4.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M721.67,558.00 L721.67,547.50 M721.67,63.01 L721.67,73.51  '/>	<g transform="translate(721.67,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M721.67,558.00 L711.17,558.00  '/>	<g transform="translate(731.46,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M721.67,459.00 L711.17,459.00  '/>	<g transform="translate(731.46,463.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M721.67,360.00 L711.17,360.00  '/>	<g transform="translate(731.46,364.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M721.67,261.01 L711.17,261.01  '/>	<g transform="translate(731.46,265.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 15</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M721.67,162.01 L711.17,162.01  '/>	<g transform="translate(731.46,166.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 20</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M721.67,63.01 L711.17,63.01  '/>	<g transform="translate(731.46,67.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 25</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M53.84,63.01 L53.84,558.00 L721.67,558.00 L721.67,63.01 L53.84,63.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	<g id="gnuplot_plot_1"  fill="none"><title>gnuplot_plot_1</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='rgb(148,   0, 211)'  d='M53.84,538.20 L220.80,478.80 L387.76,379.80 L554.71,241.21 L721.67,63.01  '/>	<use xlink:href='#gpPt0' transform='translate(53.84,538.20) scale(5.25)' color='rgb(148,   0, 211)'/>
+	<use xlink:href='#gpPt0' transform='translate(220.80,478.80) scale(5.25)' color='rgb(148,   0, 211)'/>
+	<use xlink:href='#gpPt0' transform='translate(387.76,379.80) scale(5.25)' color='rgb(148,   0, 211)'/>
+	<use xlink:href='#gpPt0' transform='translate(554.71,241.21) scale(5.25)' color='rgb(148,   0, 211)'/>
+	<use xlink:href='#gpPt0' transform='translate(721.67,63.01) scale(5.25)' color='rgb(148,   0, 211)'/>
+</g>
+	</g>
+	<g id="gnuplot_plot_2"  fill="none"><title>gnuplot_plot_2</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='rgb(  0, 158, 115)'  d='M53.84,558.00 L220.80,434.25 L387.76,310.50 L554.71,186.76 L721.67,63.01  '/>	<use xlink:href='#gpPt1' transform='translate(53.84,558.00) scale(5.25)' color='rgb(  0, 158, 115)'/>
+	<use xlink:href='#gpPt1' transform='translate(220.80,434.25) scale(5.25)' color='rgb(  0, 158, 115)'/>
+	<use xlink:href='#gpPt1' transform='translate(387.76,310.50) scale(5.25)' color='rgb(  0, 158, 115)'/>
+	<use xlink:href='#gpPt1' transform='translate(554.71,186.76) scale(5.25)' color='rgb(  0, 158, 115)'/>
+	<use xlink:href='#gpPt1' transform='translate(721.67,63.01) scale(5.25)' color='rgb(  0, 158, 115)'/>
+</g>
+	</g>
+<g fill="none" color="white" stroke="rgb(  0, 158, 115)" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M53.84,63.01 L53.84,558.00 L721.67,558.00 L721.67,63.01 L53.84,63.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(387.75,36.06)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>Test plot</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+</g>
+</svg>
+

extract_README.sh

@@ -0,0 +1,37 @@
+#!/bin/zsh
+
+cat <<EOF > README.pod
+=head1 TALK
+
+I just gave a talk about this at L<SCaLE
+17x|https://www.socallinuxexpo.org/scale/17x>. Here are the L<video of the
+talk|https://www.youtube.com/watch?v=Qvb_uNkFGNQ&t=12830s> and the
+L<"slides"|https://github.com/dkogan/talk-feedgnuplot-vnlog/blob/master/feedgnuplot-vnlog.org>.
+
+EOF
+
+seq 5 | awk '{print 2*$1, $1*$1}' |
+   feedgnuplot               \
+     --lines                 \
+     --points                \
+     --title "Test plot"     \
+     --y2 1                  \
+     --unset key             \
+     --unset grid            \
+     --hardcopy 'documentation-header-plot.svg'
+
+
+< bin/feedgnuplot                                                          \
+  awk '/^ *Test plot$/,/^ *1 +1.5 +2 +2.5/                                 \
+       { if(!wrote_plot1) { print "=for html <p><img src=\"documentation-header-plot.svg\">"; \
+                            wrote_plot1 = 1; }                             \
+         next;                                                             \
+       }                                                                   \
+       /^ *wlan0 throughput$/,/seconds/                                    \
+       { if(!wrote_plot2) { print "=for html <p><img src=\"documentation-header-network-throughput-plot.svg\">"; \
+                            wrote_plot2 = 1; }                             \
+         next;                                                             \
+       }                                                                   \
+       /=head1/,0                                                          \
+       { if(!/^ *--terminal .dumb 80,40. --exit/) { print } }' >> README.pod
+

feedgnuplot.spec

@@ -0,0 +1,58 @@
+# Sample spec file for rpm-based systems. Debian-based systems already have this
+# packaged, so we do not ship those here
+
+Name:           feedgnuplot
+Version:        1.38
+Release:        1%{?dist}
+Summary:        Pipe-oriented frontend to Gnuplot
+BuildArch:      noarch
+
+License:        Artistic or GPL-1+
+URL:            https://www.github.com/dkogan/feedgnuplot/
+Source0:        https://www.github.com/dkogan/feedgnuplot/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
+
+BuildRequires:  /usr/bin/pod2html
+BuildRequires:  perl-String-ShellQuote
+BuildRequires:  perl-ExtUtils-MakeMaker
+BuildRequires:  perl
+BuildRequires:  gawk
+BuildRequires:  gnuplot
+BuildRequires:  perl-IPC-Run
+
+Requires:       gnuplot
+
+%description
+Flexible, command-line-oriented frontend to Gnuplot. Creates plots from data
+coming in on STDIN or given in a filename passed on the commandline. Various
+data representations are supported, as is hardcopy output and streaming display
+of live data.
+
+%prep
+%setup -q
+
+%build
+perl Makefile.PL INSTALLDIRS=vendor
+make
+pod2html --title=feedgnuplot bin/feedgnuplot > feedgnuplot.html
+
+%install
+make install DESTDIR=%{buildroot} PREFIX=/usr
+
+mkdir -p %{buildroot}%{_defaultdocdir}/%{name}
+cp Changes LICENSE feedgnuplot.html %{buildroot}%{_defaultdocdir}/%{name}
+
+mkdir -p %{buildroot}%{_datadir}/zsh/site-functions
+cp completions/zsh/* %{buildroot}%{_datadir}/zsh/site-functions
+
+mkdir -p %{buildroot}%{_datadir}/bash-completion/completions
+cp completions/bash/* %{buildroot}%{_datadir}/bash-completion/completions
+
+rm -rf %{buildroot}/usr/lib64
+
+
+%files
+%{_bindir}/*
+%{_datadir}/zsh/*
+%{_datadir}/bash-completion/*
+%doc %{_defaultdocdir}/%{name}/*
+%doc %{_mandir}

guide/.dir-locals.el

@@ -0,0 +1,100 @@
+;; Very similar logic appears in
+;;   https://www.github.com/dkogan/gnuplotlib
+;;   https://www.github.com/dkogan/feedgnuplot
+;; 
+;; I need some advices to be able to generate all the images. I'm not using the org
+;; exporter to produce the html, but relying on github's limited org parser to
+;; display everything. github's parser doesn't do the org export, so I must
+;; pre-generate all the figures with (org-babel-execute-buffer) (C-c C-v C-b).
+
+;; This requires advices to:
+
+;; - Generate unique image filenames
+;; - Communicate those filenames to feedgnuplot
+;; - Display code that produces an interactive plot (so that the readers can
+;;   cut/paste the snippets), but run code that writes to the image that ends up in
+;;   the documentation
+(( org-mode . ((eval .
+  (progn
+            (setq org-confirm-babel-evaluate nil)
+            (org-babel-do-load-languages
+             'org-babel-load-languages
+             '((shell   . t)
+               (gnuplot . t)))
+  ;; This sets a default :file tag, set to a unique filename. I want each demo to
+  ;; produce an image, but I don't care what it is called. I omit the :file tag
+  ;; completely, and this advice takes care of it
+  (defun dima-info-local-get-property
+      (params what)
+    (condition-case nil
+        (cdr (assq what params))
+      (error "")))
+  (defun dima-org-babel-is-feedgnuplot
+      (params)
+    (and
+     (or (not (assq :file params))
+         (string-match "^guide-[0-9]+\\.svg$" (cdr (assq :file params))))
+     (string-match "\\<both\\>" (dima-info-local-get-property params :exports) )
+     (string-match "\\<file\\>" (dima-info-local-get-property params :results ))))
+  (defun dima-org-babel-sh-unique-plot-filename
+      (f &optional arg info params)
+
+    (let ((info-local (or info (org-babel-get-src-block-info t))))
+      (if (and info-local
+               (string= (car info-local) "sh")
+               (dima-org-babel-is-feedgnuplot (caddr info-local)))
+          ;; We're looking at a feedgnuplot block. Add a default :file
+          (funcall f arg info
+                   (cons (cons ':file
+                               (format "guide-%d.svg"
+                                       (condition-case nil
+                                           (setq dima-unique-plot-number (1+ dima-unique-plot-number))
+                                         (error (setq dima-unique-plot-number 0)))))
+                         params))
+        ;; Not feedgnuplot. Just do the normal thing
+        (funcall f arg info params))))
+
+  (unless
+      (advice-member-p
+       #'dima-org-babel-sh-unique-plot-filename
+       #'org-babel-execute-src-block)
+    (advice-add
+     #'org-babel-execute-src-block
+     :around #'dima-org-babel-sh-unique-plot-filename))
+  ;; If I'm regenerating ALL the plots, I start counting the plots from 0
+  (defun dima-reset-unique-plot-number
+      (&rest args)
+      (setq dima-unique-plot-number 0))
+  (unless
+      (advice-member-p
+       #'dima-reset-unique-plot-number
+       #'org-babel-execute-buffer)
+    (advice-add
+     #'org-babel-execute-buffer
+     :before #'dima-reset-unique-plot-number))
+  ;; I'm using github to display guide.org, so I'm not using the "normal" org
+  ;; exporter. I want the demo text to not contain --hardcopy, but clearly I
+  ;; need --hardcopy when generating the plots. I add the --hardcopy to the
+  ;; command before running it
+  (defun dima-org-babel-sh-set-demo-output (f body params)
+    (when (dima-org-babel-is-feedgnuplot params)
+      (with-temp-buffer
+        (insert body)
+        ;; use the local feedgnuplot
+        (beginning-of-buffer)
+        (re-search-forward "\\_<feedgnuplot\\_>")
+        (backward-word-strictly)
+        (insert "../bin/")
+        ;; write to svg
+        (forward-word-strictly)
+        (insert (format " --terminal 'svg noenhanced solid size 800,600 font \",14\"' --hardcopy %s" (cdr (assq :file params))))
+        (setq body (buffer-substring-no-properties (point-min) (point-max)))))
+    (funcall f body params))
+  (unless
+      (advice-member-p
+       #'dima-org-babel-sh-set-demo-output
+       #'org-babel-execute:sh)
+    (advice-add
+     #'org-babel-execute:sh
+     :around #'dima-org-babel-sh-set-demo-output))
+  )))))

guide/gnuplot-terminal-test.svg

@@ -0,0 +1,448 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="600" height="480"
+ viewBox="0 0 600 480"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 5.4 patchlevel 1 </desc>
+
+<g id="gnuplot_canvas">
+
+<rect x="0" y="0" width="600" height="480" fill="none"/>
+<defs>
+
+	<circle id='gpDot' r='0.5' stroke-width='0.5' stroke='currentColor'/>
+	<path id='gpPt0' stroke-width='0.222' stroke='currentColor' d='M-1,0 h2 M0,-1 v2'/>
+	<path id='gpPt1' stroke-width='0.222' stroke='currentColor' d='M-1,-1 L1,1 M1,-1 L-1,1'/>
+	<path id='gpPt2' stroke-width='0.222' stroke='currentColor' d='M-1,0 L1,0 M0,-1 L0,1 M-1,-1 L1,1 M-1,1 L1,-1'/>
+	<rect id='gpPt3' stroke-width='0.222' stroke='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<rect id='gpPt4' stroke-width='0.222' stroke='currentColor' fill='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<circle id='gpPt5' stroke-width='0.222' stroke='currentColor' cx='0' cy='0' r='1'/>
+	<use xlink:href='#gpPt5' id='gpPt6' fill='currentColor' stroke='none'/>
+	<path id='gpPt7' stroke-width='0.222' stroke='currentColor' d='M0,-1.33 L-1.33,0.67 L1.33,0.67 z'/>
+	<use xlink:href='#gpPt7' id='gpPt8' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt7' id='gpPt9' stroke='currentColor' transform='rotate(180)'/>
+	<use xlink:href='#gpPt9' id='gpPt10' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt3' id='gpPt11' stroke='currentColor' transform='rotate(45)'/>
+	<use xlink:href='#gpPt11' id='gpPt12' fill='currentColor' stroke='none'/>
+	<path id='gpPt13' stroke-width='0.222' stroke='currentColor' d='M0,1.330 L1.265,0.411 L0.782,-1.067 L-0.782,-1.076 L-1.265,0.411 z'/>
+	<use xlink:href='#gpPt13' id='gpPt14' fill='currentColor' stroke='none'/>
+	<filter id='textbox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='white' flood-opacity='1' result='bgnd'/>
+	  <feComposite in='SourceGraphic' in2='bgnd' operator='atop'/>
+	</filter>
+	<filter id='greybox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='lightgrey' flood-opacity='1' result='grey'/>
+	  <feComposite in='SourceGraphic' in2='grey' operator='atop'/>
+	</filter>
+</defs>
+<g fill="none" color="white" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path  d='M0.00,480.00 L599.99,480.00 L599.99,0.01 L0.00,0.01 L0.00,480.00 Z  '/>	<g transform="translate(16.78,21.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">svg  terminal test</tspan></text>
+	</g>
+	<g transform="translate(16.78,44.40)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">gnuplot version 5.4.1  </tspan></text>
+	</g>
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke-dasharray='2,4'  d='M300.00,480.00 L300.00,0.01 M0.00,240.00 L599.99,240.00  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(300.00,243.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle" style='filter:url(#textbox)'>
+		<text><tspan font-family="Arial" >12345678901234567890</tspan></text>
+	</g>
+	<g transform="translate(300.00,243.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >12345678901234567890</tspan></text>
+	</g>
+	<g transform="translate(300.00,216.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >true vs. estimated text dimensions</tspan></text>
+	</g>
+	<path stroke='black'  d='M216.10,231.00 L383.90,231.00 L383.90,249.00 L216.10,249.00 L216.10,231.00 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(300.00,291.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">Enhanced text:   </tspan><tspan font-family="Arial"  xml:space="preserve">x</tspan><tspan font-family="Arial"  font-size="9.6" dy="3.60px" xml:space="preserve">0</tspan><tspan font-family="Arial"  dx="-0.50em" dy="-9.60px" xml:space="preserve">n+1</tspan><tspan font-size="12.0" dy="6.00"></tspan></text>
+	</g>
+	<g transform="translate(300.00,315.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text xml:space="preserve"><tspan font-family="Arial"  fill="none" xml:space="preserve">Enhanced text:  </tspan><tspan font-family="Arial"  font-weight="bold"  xml:space="preserve">Bold</tspan><tspan font-family="Arial"  font-style="italic"  xml:space="preserve"> Italic</tspan></text>
+	</g>
+	<g transform="translate(300.00,135.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >left justified</tspan></text>
+	</g>
+	<g transform="translate(300.00,153.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >centre+d text</tspan></text>
+	</g>
+	<g transform="translate(300.00,171.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >right justified</tspan></text>
+	</g>
+</g>
+<g fill="none" color="blue" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path  d='M318.00,0.01 L318.00,9.00 M300.00,18.00 L309.00,18.00  '/>	<g transform="translate(291.61,21.90)" stroke="none" fill="blue" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >show ticscale</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,21.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >-1</tspan></text>
+	</g>
+	<path stroke='black'  d='M540.66,18.00 L574.22,18.00  '/></g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,39.90)" stroke="none" fill="gray" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >0</tspan></text>
+	</g>
+	<path stroke='gray' stroke-dasharray='2,4'  d='M540.66,36.00 L574.22,36.00  '/>	<use xlink:href='#gpDot' x='587.11' y='36.00' color='gray'/>
+
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,57.90)" stroke="none" fill="rgb(148,0,211)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >1</tspan></text>
+	</g>
+	<path stroke='rgb(148,   0, 211)'  d='M540.66,54.00 L574.22,54.00  '/>	<use xlink:href='#gpPt0' transform='translate(587.11,54.00) scale(4.50)' color='rgb(148,   0, 211)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,75.90)" stroke="none" fill="rgb(0,158,115)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >2</tspan></text>
+	</g>
+	<path stroke='rgb(  0, 158, 115)'  d='M540.66,72.00 L574.22,72.00  '/>	<use xlink:href='#gpPt1' transform='translate(587.11,72.00) scale(4.50)' color='rgb(  0, 158, 115)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,93.90)" stroke="none" fill="rgb(86,180,233)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >3</tspan></text>
+	</g>
+	<path stroke='rgb( 86, 180, 233)'  d='M540.66,90.00 L574.22,90.00  '/>	<use xlink:href='#gpPt2' transform='translate(587.11,90.00) scale(4.50)' color='rgb( 86, 180, 233)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,111.90)" stroke="none" fill="rgb(230,159,0)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >4</tspan></text>
+	</g>
+	<path stroke='rgb(230, 159,   0)'  d='M540.66,108.00 L574.22,108.00  '/>	<use xlink:href='#gpPt3' transform='translate(587.11,108.00) scale(4.50)' color='rgb(230, 159,   0)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,129.90)" stroke="none" fill="rgb(240,228,66)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >5</tspan></text>
+	</g>
+	<path stroke='rgb(240, 228,  66)'  d='M540.66,126.00 L574.22,126.00  '/>	<use xlink:href='#gpPt4' transform='translate(587.11,126.00) scale(4.50)' color='rgb(240, 228,  66)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,147.90)" stroke="none" fill="rgb(0,114,178)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >6</tspan></text>
+	</g>
+	<path stroke='rgb(  0, 114, 178)'  d='M540.66,144.00 L574.22,144.00  '/>	<use xlink:href='#gpPt5' transform='translate(587.11,144.00) scale(4.50)' color='rgb(  0, 114, 178)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,165.90)" stroke="none" fill="rgb(229,30,16)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >7</tspan></text>
+	</g>
+	<path stroke='rgb(229,  30,  16)'  d='M540.66,162.00 L574.22,162.00  '/>	<use xlink:href='#gpPt6' transform='translate(587.11,162.00) scale(4.50)' color='rgb(229,  30,  16)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,183.90)" stroke="none" fill="rgb(0,0,0)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >8</tspan></text>
+	</g>
+	<path stroke='rgb(  0,   0,   0)'  d='M540.66,180.00 L574.22,180.00  '/>	<use xlink:href='#gpPt7' transform='translate(587.11,180.00) scale(4.50)' color='rgb(  0,   0,   0)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,201.90)" stroke="none" fill="rgb(148,0,211)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >9</tspan></text>
+	</g>
+	<path stroke='rgb(148,   0, 211)'  d='M540.66,198.00 L574.22,198.00  '/>	<use xlink:href='#gpPt8' transform='translate(587.11,198.00) scale(4.50)' color='rgb(148,   0, 211)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,219.90)" stroke="none" fill="rgb(0,158,115)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >10</tspan></text>
+	</g>
+	<path stroke='rgb(  0, 158, 115)'  d='M540.66,216.00 L574.22,216.00  '/>	<use xlink:href='#gpPt9' transform='translate(587.11,216.00) scale(4.50)' color='rgb(  0, 158, 115)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,237.90)" stroke="none" fill="rgb(86,180,233)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >11</tspan></text>
+	</g>
+	<path stroke='rgb( 86, 180, 233)'  d='M540.66,234.00 L574.22,234.00  '/>	<use xlink:href='#gpPt10' transform='translate(587.11,234.00) scale(4.50)' color='rgb( 86, 180, 233)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,255.90)" stroke="none" fill="rgb(230,159,0)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >12</tspan></text>
+	</g>
+	<path stroke='rgb(230, 159,   0)'  d='M540.66,252.00 L574.22,252.00  '/>	<use xlink:href='#gpPt11' transform='translate(587.11,252.00) scale(4.50)' color='rgb(230, 159,   0)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,273.90)" stroke="none" fill="rgb(240,228,66)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >13</tspan></text>
+	</g>
+	<path stroke='rgb(240, 228,  66)'  d='M540.66,270.00 L574.22,270.00  '/>	<use xlink:href='#gpPt12' transform='translate(587.11,270.00) scale(4.50)' color='rgb(240, 228,  66)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,291.90)" stroke="none" fill="rgb(0,114,178)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >14</tspan></text>
+	</g>
+	<path stroke='rgb(  0, 114, 178)'  d='M540.66,288.00 L574.22,288.00  '/>	<use xlink:href='#gpPt13' transform='translate(587.11,288.00) scale(4.50)' color='rgb(  0, 114, 178)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,309.90)" stroke="none" fill="rgb(229,30,16)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >15</tspan></text>
+	</g>
+	<path stroke='rgb(229,  30,  16)'  d='M540.66,306.00 L574.22,306.00  '/>	<use xlink:href='#gpPt14' transform='translate(587.11,306.00) scale(4.50)' color='rgb(229,  30,  16)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,327.90)" stroke="none" fill="rgb(0,0,0)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >16</tspan></text>
+	</g>
+	<path stroke='rgb(  0,   0,   0)'  d='M540.66,324.00 L574.22,324.00  '/>	<use xlink:href='#gpPt0' transform='translate(587.11,324.00) scale(4.50)' color='rgb(  0,   0,   0)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,345.90)" stroke="none" fill="rgb(148,0,211)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >17</tspan></text>
+	</g>
+	<path stroke='rgb(148,   0, 211)'  d='M540.66,342.00 L574.22,342.00  '/>	<use xlink:href='#gpPt1' transform='translate(587.11,342.00) scale(4.50)' color='rgb(148,   0, 211)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,363.90)" stroke="none" fill="rgb(0,158,115)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >18</tspan></text>
+	</g>
+	<path stroke='rgb(  0, 158, 115)'  d='M540.66,360.00 L574.22,360.00  '/>	<use xlink:href='#gpPt2' transform='translate(587.11,360.00) scale(4.50)' color='rgb(  0, 158, 115)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,381.90)" stroke="none" fill="rgb(86,180,233)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >19</tspan></text>
+	</g>
+	<path stroke='rgb( 86, 180, 233)'  d='M540.66,378.00 L574.22,378.00  '/>	<use xlink:href='#gpPt3' transform='translate(587.11,378.00) scale(4.50)' color='rgb( 86, 180, 233)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,399.90)" stroke="none" fill="rgb(230,159,0)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >20</tspan></text>
+	</g>
+	<path stroke='rgb(230, 159,   0)'  d='M540.66,396.00 L574.22,396.00  '/>	<use xlink:href='#gpPt4' transform='translate(587.11,396.00) scale(4.50)' color='rgb(230, 159,   0)'/>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,417.90)" stroke="none" fill="rgb(240,228,66)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >21</tspan></text>
+	</g>
+	<path stroke='rgb(240, 228,  66)'  d='M540.66,414.00 L574.22,414.00  '/>	<use xlink:href='#gpPt5' transform='translate(587.11,414.00) scale(4.50)' color='rgb(240, 228,  66)'/>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,435.90)" stroke="none" fill="rgb(0,114,178)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >22</tspan></text>
+	</g>
+	<path stroke='rgb(  0, 114, 178)'  d='M540.66,432.00 L574.22,432.00  '/>	<use xlink:href='#gpPt6' transform='translate(587.11,432.00) scale(4.50)' color='rgb(  0, 114, 178)'/>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(532.27,453.90)" stroke="none" fill="rgb(229,30,16)" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" >23</tspan></text>
+	</g>
+	<path stroke='rgb(229,  30,  16)'  d='M540.66,450.00 L574.22,450.00  '/>	<use xlink:href='#gpPt7' transform='translate(587.11,450.00) scale(4.50)' color='rgb(229,  30,  16)'/>
+</g>
+<g fill="none" color="red" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'currentColor' points = '36.00,194.38 40.65,194.38 36.00,177.00 31.35,194.38 36.00,194.38 '/>
+		<polygon fill = 'currentColor' points = '36.00,285.62 31.35,285.62 36.00,303.00 40.65,285.62 36.00,285.62 '/>
+	</g>
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+<g fill="none" color="red" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(21.90,240.00) rotate(270)" stroke="none" fill="red" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >rotated ce+ntred text</tspan></text>
+	</g>
+	<g transform="translate(56.75,242.76) rotate(-45)" stroke="none" fill="red" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  rotate by +45</tspan></text>
+	</g>
+	<g transform="translate(51.24,242.76) rotate(45)" stroke="none" fill="red" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  rotate by -45</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path  d='M45.00,460.80 L105.00,460.80  '/>	<g transform="translate(105.00,464.70)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  lw 1</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path  d='M45.00,441.60 L105.00,441.60  '/>	<g transform="translate(105.00,445.50)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  lw 2</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="3.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="3.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path  d='M45.00,422.40 L105.00,422.40  '/>	<g transform="translate(105.00,426.30)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  lw 3</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="4.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="4.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path  d='M45.00,403.20 L105.00,403.20  '/>	<g transform="translate(105.00,407.10)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  lw 4</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="5.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="5.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path  d='M45.00,384.00 L105.00,384.00  '/>	<g transform="translate(105.00,387.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  lw 5</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="6.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="6.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path  d='M45.00,364.80 L105.00,364.80  '/>	<g transform="translate(105.00,368.70)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  lw 6</tspan></text>
+	</g>
+	<g transform="translate(45.00,349.50)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >linewidth</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M180.00,460.80 L240.00,460.80  '/>	<g transform="translate(240.00,464.70)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  dt 1</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black' stroke-dasharray='2.5,4.0'  d='M180.00,441.60 L240.00,441.60  '/>	<g transform="translate(240.00,445.50)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  dt 2</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black' stroke-dasharray='1.0,2.0'  d='M180.00,422.40 L240.00,422.40  '/>	<g transform="translate(240.00,426.30)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  dt 3</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black' stroke-dasharray='4.0,2.0,1.0,2.0'  d='M180.00,403.20 L240.00,403.20  '/>	<g transform="translate(240.00,407.10)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  dt 4</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black' stroke-dasharray='4.5,2.0,0.5,2.0,0.5,2.0'  d='M180.00,384.00 L240.00,384.00  '/>	<g transform="translate(240.00,387.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text xml:space="preserve"><tspan font-family="Arial"  xml:space="preserve">  dt 5</tspan></text>
+	</g>
+	<g transform="translate(180.00,368.70)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >dashtype</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(405.00,396.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >pattern fill</tspan></text>
+	</g>
+	<defs>
+		<pattern id='gpPat1' patternUnits='userSpaceOnUse' x='0' y='0' width='8' height='8'>
+		</pattern>
+	</defs>
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon  fill = 'url(#gpPat1)' points = '300.00,480.00 315.00,480.00 315.00,420.00 300.00,420.00 '/>
+	</g>
+	<path  d='M300.00,480.00 L300.00,420.00 L315.00,420.00 L315.00,480.00 L300.00,480.00 Z  '/>	<g transform="translate(307.50,414.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" > 0</tspan></text>
+	</g>
+	<defs>
+		<pattern id='gpPat2' patternUnits='userSpaceOnUse' x='0' y='0' width='8' height='8'>
+			<path style = 'fill:none; stroke:currentColor' d='M0,0 L8,8 M0,8 L8,0'/>
+		</pattern>
+	</defs>
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon  fill = 'url(#gpPat2)' points = '322.50,480.00 337.50,480.00 337.50,420.00 322.50,420.00 '/>
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+	<path  d='M322.50,480.00 L322.50,420.00 L337.50,420.00 L337.50,480.00 L322.50,480.00 Z  '/>	<g transform="translate(330.00,414.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" > 1</tspan></text>
+	</g>
+	<defs>
+		<pattern id='gpPat3' patternUnits='userSpaceOnUse' x='0' y='0' width='8' height='8'>
+			<path style = 'fill:none; stroke:currentColor' d='M0,0 L8,8 M0,8 L8,0 M0,4 L4,8 L8,4 L4,0 L0,4'/>
+		</pattern>
+	</defs>
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon  fill = 'url(#gpPat3)' points = '345.00,480.00 360.00,480.00 360.00,420.00 345.00,420.00 '/>
+	</g>
+	<path  d='M345.00,480.00 L345.00,420.00 L360.00,420.00 L360.00,480.00 L345.00,480.00 Z  '/>	<g transform="translate(352.50,414.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" > 2</tspan></text>
+	</g>
+	<defs>
+		<pattern id='gpPat4' patternUnits='userSpaceOnUse' x='0' y='0' width='8' height='8'>
+			<path style = 'stroke:none; fill:currentColor' d='M0,0 L0,8 L8,8 L8,0 L0,0'/>
+		</pattern>
+	</defs>
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon  fill = 'url(#gpPat4)' points = '367.50,480.00 382.50,480.00 382.50,420.00 367.50,420.00 '/>
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+	<path  d='M367.50,480.00 L367.50,420.00 L382.50,420.00 L382.50,480.00 L367.50,480.00 Z  '/>	<g transform="translate(375.00,414.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" > 3</tspan></text>
+	</g>
+	<defs>
+		<pattern id='gpPat5' patternUnits='userSpaceOnUse' x='0' y='0' width='8' height='8'>
+			<path style = 'fill:none; stroke:currentColor' d='M-4,0 L8,12 M0,-4 L12,8'/>
+		</pattern>
+	</defs>
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon  fill = 'url(#gpPat5)' points = '390.00,480.00 405.00,480.00 405.00,420.00 390.00,420.00 '/>
+	</g>
+	<path  d='M390.00,480.00 L390.00,420.00 L405.00,420.00 L405.00,480.00 L390.00,480.00 Z  '/>	<g transform="translate(397.50,414.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" > 4</tspan></text>
+	</g>
+	<defs>
+		<pattern id='gpPat6' patternUnits='userSpaceOnUse' x='0' y='0' width='8' height='8'>
+			<path style = 'fill:none; stroke:currentColor' d='M-4,8 L8,-4 M0,12 L12,0'/>
+		</pattern>
+	</defs>
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon  fill = 'url(#gpPat6)' points = '412.50,480.00 427.50,480.00 427.50,420.00 412.50,420.00 '/>
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+	<path  d='M412.50,480.00 L412.50,420.00 L427.50,420.00 L427.50,480.00 L412.50,480.00 Z  '/>	<g transform="translate(420.00,414.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" > 5</tspan></text>
+	</g>
+	<defs>
+		<pattern id='gpPat7' patternUnits='userSpaceOnUse' x='0' y='0' width='8' height='8'>
+			<path style = 'fill:none; stroke:currentColor' d='M-2,8 L4,-4 M0,12 L8,-4 M4,12 L10,0'/>
+		</pattern>
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+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon  fill = 'url(#gpPat7)' points = '435.00,480.00 450.00,480.00 450.00,420.00 435.00,420.00 '/>
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+	<path  d='M435.00,480.00 L435.00,420.00 L450.00,420.00 L450.00,480.00 L435.00,480.00 Z  '/>	<g transform="translate(442.50,414.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" > 6</tspan></text>
+	</g>
+	<defs>
+		<pattern id='gpPat8' patternUnits='userSpaceOnUse' x='0' y='0' width='8' height='8'>
+			<path style = 'fill:none; stroke:currentColor' d='M-2,0 L4,12 M0,-4 L8,12 M4,-4 L10,8'/>
+		</pattern>
+	</defs>
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon  fill = 'url(#gpPat8)' points = '457.50,480.00 472.50,480.00 472.50,420.00 457.50,420.00 '/>
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+	<path  d='M457.50,480.00 L457.50,420.00 L472.50,420.00 L472.50,480.00 L457.50,480.00 Z  '/>	<g transform="translate(465.00,414.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" > 7</tspan></text>
+	</g>
+	<defs>
+		<pattern id='gpPat9' patternUnits='userSpaceOnUse' x='0' y='0' width='8' height='8'>
+		</pattern>
+	</defs>
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon  fill = 'url(#gpPat9)' points = '480.00,480.00 495.00,480.00 495.00,420.00 480.00,420.00 '/>
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+	<path  d='M480.00,480.00 L480.00,420.00 L495.00,420.00 L495.00,480.00 L480.00,480.00 Z  '/>	<g transform="translate(487.50,414.90)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" > 8</tspan></text>
+	</g>
+</g>
+<g fill="none" color="blue" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
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+</g>
+<g fill="none" color="green" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'currentColor' fill-opacity = '0.500000' points = '480.00,96.60 465.00,70.62 435.00,70.62 420.00,96.60 435.00,122.59 465.00,122.59 480.00,96.60 '/>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(420.00,46.50)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >filled polygons:</tspan></text>
+	</g>
+</g>
+</g>
+</svg>
+

guide/guide-1.svg

@@ -0,0 +1,452 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="800" height="600"
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 5.4 patchlevel 1 </desc>
+
+<g id="gnuplot_canvas">
+
+<rect x="0" y="0" width="800" height="600" fill="none"/>
+<defs>
+
+	<circle id='gpDot' r='0.5' stroke-width='0.5' stroke='currentColor'/>
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+	<path id='gpPt1' stroke-width='0.190' stroke='currentColor' d='M-1,-1 L1,1 M1,-1 L-1,1'/>
+	<path id='gpPt2' stroke-width='0.190' stroke='currentColor' d='M-1,0 L1,0 M0,-1 L0,1 M-1,-1 L1,1 M-1,1 L1,-1'/>
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+	<rect id='gpPt4' stroke-width='0.190' stroke='currentColor' fill='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<circle id='gpPt5' stroke-width='0.190' stroke='currentColor' cx='0' cy='0' r='1'/>
+	<use xlink:href='#gpPt5' id='gpPt6' fill='currentColor' stroke='none'/>
+	<path id='gpPt7' stroke-width='0.190' stroke='currentColor' d='M0,-1.33 L-1.33,0.67 L1.33,0.67 z'/>
+	<use xlink:href='#gpPt7' id='gpPt8' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt7' id='gpPt9' stroke='currentColor' transform='rotate(180)'/>
+	<use xlink:href='#gpPt9' id='gpPt10' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt3' id='gpPt11' stroke='currentColor' transform='rotate(45)'/>
+	<use xlink:href='#gpPt11' id='gpPt12' fill='currentColor' stroke='none'/>
+	<path id='gpPt13' stroke-width='0.190' stroke='currentColor' d='M0,1.330 L1.265,0.411 L0.782,-1.067 L-0.782,-1.076 L-1.265,0.411 z'/>
+	<use xlink:href='#gpPt13' id='gpPt14' fill='currentColor' stroke='none'/>
+	<filter id='textbox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='white' flood-opacity='1' result='bgnd'/>
+	  <feComposite in='SourceGraphic' in2='bgnd' operator='atop'/>
+	</filter>
+	<filter id='greybox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='lightgrey' flood-opacity='1' result='grey'/>
+	  <feComposite in='SourceGraphic' in2='grey' operator='atop'/>
+	</filter>
+</defs>
+<g fill="none" color="white" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L770.62,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L74.13,558.00 M770.62,558.00 L760.12,558.00  '/>	<g transform="translate(53.84,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,504.30 L770.62,504.30  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,504.30 L74.13,504.30 M770.62,504.30 L760.12,504.30  '/>	<g transform="translate(53.84,508.85)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,450.60 L770.62,450.60  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,450.60 L74.13,450.60 M770.62,450.60 L760.12,450.60  '/>	<g transform="translate(53.84,455.15)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,396.90 L770.62,396.90  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,396.90 L74.13,396.90 M770.62,396.90 L760.12,396.90  '/>	<g transform="translate(53.84,401.45)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,343.20 L770.62,343.20  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,343.20 L74.13,343.20 M770.62,343.20 L760.12,343.20  '/>	<g transform="translate(53.84,347.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,289.50 L770.62,289.50  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,289.50 L74.13,289.50 M770.62,289.50 L760.12,289.50  '/>	<g transform="translate(53.84,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,235.81 L770.62,235.81  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,235.81 L74.13,235.81 M770.62,235.81 L760.12,235.81  '/>	<g transform="translate(53.84,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,182.11 L770.62,182.11  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,182.11 L74.13,182.11 M770.62,182.11 L760.12,182.11  '/>	<g transform="translate(53.84,186.66)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,128.41 L770.62,128.41  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,128.41 L74.13,128.41 M770.62,128.41 L760.12,128.41  '/>	<g transform="translate(53.84,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,74.71 L770.62,74.71  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,74.71 L74.13,74.71 M770.62,74.71 L760.12,74.71  '/>	<g transform="translate(53.84,79.26)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,21.01 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L74.13,21.01 M770.62,21.01 L760.12,21.01  '/>	<g transform="translate(53.84,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L63.63,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L63.63,547.50 M63.63,21.01 L63.63,31.51  '/>	<g transform="translate(63.63,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M134.33,558.00 L134.33,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M134.33,558.00 L134.33,547.50 M134.33,21.01 L134.33,31.51  '/>	<g transform="translate(134.33,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M205.03,558.00 L205.03,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M205.03,558.00 L205.03,547.50 M205.03,21.01 L205.03,31.51  '/>	<g transform="translate(205.03,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 20</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M275.73,558.00 L275.73,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M275.73,558.00 L275.73,547.50 M275.73,21.01 L275.73,31.51  '/>	<g transform="translate(275.73,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 30</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M346.43,558.00 L346.43,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M346.43,558.00 L346.43,547.50 M346.43,21.01 L346.43,31.51  '/>	<g transform="translate(346.43,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 40</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M417.13,558.00 L417.13,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M417.13,558.00 L417.13,547.50 M417.13,21.01 L417.13,31.51  '/>	<g transform="translate(417.13,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 50</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M487.82,558.00 L487.82,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M487.82,558.00 L487.82,547.50 M487.82,21.01 L487.82,31.51  '/>	<g transform="translate(487.82,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 60</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M558.52,558.00 L558.52,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M558.52,558.00 L558.52,547.50 M558.52,21.01 L558.52,31.51  '/>	<g transform="translate(558.52,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 70</text>
+	</g>
+</g>
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+		<text> 90</text>
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+		<text> 100</text>
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+		<text>-0.5</text>
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+	<path stroke='black'  d='M98.10,289.50 L108.60,289.50 M635.10,289.50 L624.60,289.50  '/>	<g transform="translate(88.31,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
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+</g>
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+	<path stroke='black'  d='M98.10,155.26 L108.60,155.26 M635.10,155.26 L624.60,155.26  '/>	<g transform="translate(88.31,159.81)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.5</text>
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+</g>
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+</g>
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+	<path stroke='black'  d='M98.10,21.01 L108.60,21.01 M635.10,21.01 L624.60,21.01  '/>	<g transform="translate(88.31,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
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+</g>
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+	<path stroke='black'  d='M98.10,558.00 L98.10,547.50 M98.10,21.01 L98.10,31.51  '/>	<g transform="translate(98.10,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-1</text>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M232.35,558.00 L232.35,547.50 M232.35,21.01 L232.35,31.51  '/>	<g transform="translate(232.35,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.5</text>
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+</g>
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+		<text> 0</text>
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+		<text> 1</text>
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+	<path stroke='black'  d='M675.37,558.00 L664.87,558.00  '/>	<g transform="translate(685.16,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 0</text>
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+		<text> 50</text>
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+		<text> 100</text>
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+		<text> 150</text>
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+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L669.57,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L74.13,558.00 M669.57,558.00 L659.07,558.00  '/>	<g transform="translate(53.84,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,450.60 L669.57,450.60  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,450.60 L74.13,450.60 M669.57,450.60 L659.07,450.60  '/>	<g transform="translate(53.84,455.15)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 20</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,343.20 L669.57,343.20  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,343.20 L74.13,343.20 M669.57,343.20 L659.07,343.20  '/>	<g transform="translate(53.84,347.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 40</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,235.81 L669.57,235.81  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,235.81 L74.13,235.81 M669.57,235.81 L659.07,235.81  '/>	<g transform="translate(53.84,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 60</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,128.41 L669.57,128.41  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,128.41 L74.13,128.41 M669.57,128.41 L659.07,128.41  '/>	<g transform="translate(53.84,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 80</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,21.01 L669.57,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L74.13,21.01 M669.57,21.01 L659.07,21.01  '/>	<g transform="translate(53.84,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 100</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L63.63,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L63.63,547.50 M63.63,21.01 L63.63,31.51  '/>	<g transform="translate(63.63,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M130.96,558.00 L130.96,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M130.96,558.00 L130.96,547.50 M130.96,21.01 L130.96,31.51  '/>	<g transform="translate(130.96,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M198.28,558.00 L198.28,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M198.28,558.00 L198.28,547.50 M198.28,21.01 L198.28,31.51  '/>	<g transform="translate(198.28,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M265.61,558.00 L265.61,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M265.61,558.00 L265.61,547.50 M265.61,21.01 L265.61,31.51  '/>	<g transform="translate(265.61,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 15</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M332.94,558.00 L332.94,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M332.94,558.00 L332.94,547.50 M332.94,21.01 L332.94,31.51  '/>	<g transform="translate(332.94,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 20</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M400.26,558.00 L400.26,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M400.26,558.00 L400.26,547.50 M400.26,21.01 L400.26,31.51  '/>	<g transform="translate(400.26,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 25</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M467.59,558.00 L467.59,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M467.59,558.00 L467.59,547.50 M467.59,21.01 L467.59,31.51  '/>	<g transform="translate(467.59,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 30</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M534.92,558.00 L534.92,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M534.92,558.00 L534.92,547.50 M534.92,21.01 L534.92,31.51  '/>	<g transform="translate(534.92,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 35</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M602.24,558.00 L602.24,31.51 L602.24,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M602.24,558.00 L602.24,547.50 M602.24,21.01 L602.24,31.51  '/>	<g transform="translate(602.24,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 40</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M669.57,558.00 L669.57,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M669.57,558.00 L669.57,547.50 M669.57,21.01 L669.57,31.51  '/>	<g transform="translate(669.57,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 45</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L63.63,558.00 L669.57,558.00 L669.57,21.01 L63.63,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	<g id="gnuplot_plot_1" ><title>gnuplot_plot_1</title>
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+	<use xlink:href='#gpPt6' transform='translate(184.82,364.68) scale(15.75)' color='rgb(128,   4, 255)'/>
+	<use xlink:href='#gpPt6' transform='translate(211.75,423.75) scale(13.12)' color='rgb(138,   6, 246)'/>
+	<use xlink:href='#gpPt6' transform='translate(238.68,472.08) scale(10.50)' color='rgb(147,   9, 221)'/>
+	<use xlink:href='#gpPt6' transform='translate(265.61,509.67) scale(7.88)' color='rgb(156,  13, 180)'/>
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+	<use xlink:href='#gpPt6' transform='translate(400.26,536.52) scale(5.25)' color='rgb(195,  51,   0)'/>
+	<use xlink:href='#gpPt6' transform='translate(427.19,509.67) scale(7.88)' color='rgb(202,  62,   0)'/>
+	<use xlink:href='#gpPt6' transform='translate(454.12,472.08) scale(10.50)' color='rgb(208,  76,   0)'/>
+	<use xlink:href='#gpPt6' transform='translate(481.06,423.75) scale(13.12)' color='rgb(215,  91,   0)'/>
+	<use xlink:href='#gpPt6' transform='translate(507.99,364.68) scale(15.75)' color='rgb(221, 108,   0)'/>
+	<use xlink:href='#gpPt6' transform='translate(534.92,294.87) scale(18.38)' color='rgb(227, 127,   0)'/>
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+	<g id="gnuplot_plot_2" ><title>gnuplot_plot_2</title>
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+	<path stroke='black'  d='M684.72,289.51 L695.22,289.51 M715.01,200.01 L704.51,200.01  '/>	<g transform="translate(724.80,204.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 200</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M684.72,200.01 L695.22,200.01 M715.01,110.51 L704.51,110.51  '/>	<g transform="translate(724.80,115.06)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 400</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M684.72,110.51 L695.22,110.51 M715.01,21.01 L704.51,21.01  '/>	<g transform="translate(724.80,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 600</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M684.72,21.01 L695.22,21.01  '/></g>
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+

guide/guide-12.svg

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+<svg 
+ width="800" height="600"
+ viewBox="0 0 800 600"
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+ xmlns:xlink="http://www.w3.org/1999/xlink"
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+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M73.42,558.00 L770.62,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M73.42,558.00 L83.92,558.00 M770.62,558.00 L760.12,558.00  '/>	<g transform="translate(63.63,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M73.42,468.50 L770.62,468.50  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M73.42,468.50 L83.92,468.50 M770.62,468.50 L760.12,468.50  '/>	<g transform="translate(63.63,473.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 200</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M73.42,379.00 L83.92,379.00 M770.62,379.00 L760.12,379.00  '/>	<g transform="translate(63.63,383.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 400</text>
+	</g>
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M73.42,289.50 L770.62,289.50  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M73.42,289.50 L83.92,289.50 M770.62,289.50 L760.12,289.50  '/>	<g transform="translate(63.63,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 600</text>
+	</g>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M73.42,200.01 L770.62,200.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M73.42,200.01 L83.92,200.01 M770.62,200.01 L760.12,200.01  '/>	<g transform="translate(63.63,204.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 800</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M73.42,110.51 L770.62,110.51  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M73.42,110.51 L83.92,110.51 M770.62,110.51 L760.12,110.51  '/>	<g transform="translate(63.63,115.06)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1000</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M73.42,21.01 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M73.42,21.01 L83.92,21.01 M770.62,21.01 L760.12,21.01  '/>	<g transform="translate(63.63,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1200</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M73.42,558.00 L73.42,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M73.42,558.00 L73.42,547.50 M73.42,21.01 L73.42,31.51  '/>	<g transform="translate(73.42,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-10</text>
+	</g>
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M247.72,558.00 L247.72,547.50 M247.72,21.01 L247.72,31.51  '/>	<g transform="translate(247.72,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-5</text>
+	</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M422.02,558.00 L422.02,547.50 M422.02,21.01 L422.02,31.51  '/>	<g transform="translate(422.02,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0</text>
+	</g>
+</g>
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+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M596.32,558.00 L596.32,94.51 M596.32,31.51 L596.32,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M596.32,558.00 L596.32,547.50 M596.32,21.01 L596.32,31.51  '/>	<g transform="translate(596.32,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 5</text>
+	</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M770.62,558.00 L770.62,547.50 M770.62,21.01 L770.62,31.51  '/>	<g transform="translate(770.62,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 10</text>
+	</g>
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+	<path stroke='black'  d='M73.42,21.01 L73.42,558.00 L770.62,558.00 L770.62,21.01 L73.42,21.01 Z  '/></g>
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+	<path stroke='black'  d='M270.62,94.51 L270.62,31.51 L760.83,31.51 L760.83,94.51 L270.62,94.51 Z  '/></g>
+	<g id="gnuplot_plot_1" ><title>gnuplot_plot_1</title>
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+	</g>
+	<g id="gnuplot_plot_2" ><title>gnuplot_plot_2</title>
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+	<path stroke='rgb(  0, 158, 115)'  d='M701.38,42.01 L751.04,42.01 M701.38,36.76 L701.38,47.26 M751.04,36.76 L751.04,47.26  '/>	<use xlink:href='#gpPt1' transform='translate(726.21,42.01) scale(5.25)' color='rgb(  0, 158, 115)'/>
+</g>
+	</g>
+	<g id="gnuplot_plot_3" ><title>gnuplot_plot_3</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(691.59,67.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>using the 'x y xlow xhigh ylow yhigh' style</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='rgb( 86, 180, 233)'  d='M701.38,63.01 L751.04,63.01 M701.38,57.76 L701.38,68.26 M751.04,57.76 L751.04,68.26  '/>	<use xlink:href='#gpPt2' transform='translate(726.21,63.01) scale(5.25)' color='rgb( 86, 180, 233)'/>
+</g>
+	</g>
+	<g id="gnuplot_plot_4" ><title>gnuplot_plot_4</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(691.59,88.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>using the 'x y ydelta' style</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='rgb(230, 159,   0)'  d='M701.38,84.01 L751.04,84.01 M701.38,78.76 L701.38,89.26 M751.04,78.76 L751.04,89.26  '/>	<use xlink:href='#gpPt3' transform='translate(726.21,84.01) scale(5.25)' color='rgb(230, 159,   0)'/>
+</g>
+	</g>
+<g fill="none" color="white" stroke="rgb(230, 159,   0)" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="black" stroke="black" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M73.42,21.01 L73.42,558.00 L770.62,558.00 L770.62,21.01 L73.42,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+</g>
+</svg>
+

guide/guide-13.svg

@@ -0,0 +1,381 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="800" height="600"
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 5.4 patchlevel 1 </desc>
+
+<g id="gnuplot_canvas">
+
+<rect x="0" y="0" width="800" height="600" fill="none"/>
+<defs>
+
+	<circle id='gpDot' r='0.5' stroke-width='0.5' stroke='currentColor'/>
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+	<path id='gpPt1' stroke-width='0.190' stroke='currentColor' d='M-1,-1 L1,1 M1,-1 L-1,1'/>
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+	<rect id='gpPt3' stroke-width='0.190' stroke='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<rect id='gpPt4' stroke-width='0.190' stroke='currentColor' fill='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<circle id='gpPt5' stroke-width='0.190' stroke='currentColor' cx='0' cy='0' r='1'/>
+	<use xlink:href='#gpPt5' id='gpPt6' fill='currentColor' stroke='none'/>
+	<path id='gpPt7' stroke-width='0.190' stroke='currentColor' d='M0,-1.33 L-1.33,0.67 L1.33,0.67 z'/>
+	<use xlink:href='#gpPt7' id='gpPt8' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt7' id='gpPt9' stroke='currentColor' transform='rotate(180)'/>
+	<use xlink:href='#gpPt9' id='gpPt10' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt3' id='gpPt11' stroke='currentColor' transform='rotate(45)'/>
+	<use xlink:href='#gpPt11' id='gpPt12' fill='currentColor' stroke='none'/>
+	<path id='gpPt13' stroke-width='0.190' stroke='currentColor' d='M0,1.330 L1.265,0.411 L0.782,-1.067 L-0.782,-1.076 L-1.265,0.411 z'/>
+	<use xlink:href='#gpPt13' id='gpPt14' fill='currentColor' stroke='none'/>
+	<filter id='textbox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='white' flood-opacity='1' result='bgnd'/>
+	  <feComposite in='SourceGraphic' in2='bgnd' operator='atop'/>
+	</filter>
+	<filter id='greybox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='lightgrey' flood-opacity='1' result='grey'/>
+	  <feComposite in='SourceGraphic' in2='grey' operator='atop'/>
+	</filter>
+</defs>
+<g fill="none" color="white" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M143.73,558.00 L680.73,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M143.73,558.00 L154.23,558.00 M680.73,558.00 L670.23,558.00  '/>	<g transform="translate(133.94,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M143.73,504.30 L680.73,504.30  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M143.73,504.30 L154.23,504.30 M680.73,504.30 L670.23,504.30  '/>	<g transform="translate(133.94,508.85)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M143.73,450.60 L680.73,450.60  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M143.73,450.60 L154.23,450.60 M680.73,450.60 L670.23,450.60  '/>	<g transform="translate(133.94,455.15)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M143.73,396.90 L680.73,396.90  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M143.73,396.90 L154.23,396.90 M680.73,396.90 L670.23,396.90  '/>	<g transform="translate(133.94,401.45)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M143.73,343.20 L680.73,343.20  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M143.73,343.20 L154.23,343.20 M680.73,343.20 L670.23,343.20  '/>	<g transform="translate(133.94,347.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M143.73,289.50 L680.73,289.50  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M143.73,289.50 L154.23,289.50 M680.73,289.50 L670.23,289.50  '/>	<g transform="translate(133.94,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M143.73,235.81 L680.73,235.81  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M143.73,235.81 L154.23,235.81 M680.73,235.81 L670.23,235.81  '/>	<g transform="translate(133.94,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M143.73,182.11 L680.73,182.11  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M143.73,182.11 L154.23,182.11 M680.73,182.11 L670.23,182.11  '/>	<g transform="translate(133.94,186.66)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M143.73,128.41 L680.73,128.41  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M143.73,128.41 L154.23,128.41 M680.73,128.41 L670.23,128.41  '/>	<g transform="translate(133.94,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M143.73,74.71 L680.73,74.71  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M143.73,74.71 L154.23,74.71 M680.73,74.71 L670.23,74.71  '/>	<g transform="translate(133.94,79.26)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M143.73,21.01 L680.73,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M143.73,21.01 L154.23,21.01 M680.73,21.01 L670.23,21.01  '/>	<g transform="translate(133.94,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M143.73,558.00 L143.73,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M143.73,558.00 L143.73,547.50 M143.73,21.01 L143.73,31.51  '/>	<g transform="translate(143.73,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M197.43,558.00 L197.43,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M197.43,558.00 L197.43,547.50 M197.43,21.01 L197.43,31.51  '/>	<g transform="translate(197.43,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M251.13,558.00 L251.13,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M251.13,558.00 L251.13,547.50 M251.13,21.01 L251.13,31.51  '/>	<g transform="translate(251.13,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M304.83,558.00 L304.83,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M304.83,558.00 L304.83,547.50 M304.83,21.01 L304.83,31.51  '/>	<g transform="translate(304.83,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-4</text>
+	</g>
+</g>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M358.53,558.00 L358.53,547.50 M358.53,21.01 L358.53,31.51  '/>	<g transform="translate(358.53,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-2</text>
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M412.23,558.00 L412.23,547.50 M412.23,21.01 L412.23,31.51  '/>	<g transform="translate(412.23,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0</text>
+	</g>
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+</g>
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+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M465.93,558.00 L465.93,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M465.93,558.00 L465.93,547.50 M465.93,21.01 L465.93,31.51  '/>	<g transform="translate(465.93,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 2</text>
+	</g>
+</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M519.63,558.00 L519.63,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M519.63,558.00 L519.63,547.50 M519.63,21.01 L519.63,31.51  '/>	<g transform="translate(519.63,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 4</text>
+	</g>
+</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M573.33,558.00 L573.33,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M573.33,558.00 L573.33,547.50 M573.33,21.01 L573.33,31.51  '/>	<g transform="translate(573.33,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 6</text>
+	</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M627.03,558.00 L627.03,31.51 L627.03,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M627.03,558.00 L627.03,547.50 M627.03,21.01 L627.03,31.51  '/>	<g transform="translate(627.03,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 8</text>
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+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M680.73,558.00 L680.73,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M680.73,558.00 L680.73,547.50 M680.73,21.01 L680.73,31.51  '/>	<g transform="translate(680.73,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 10</text>
+	</g>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M412.23,289.50 L412.23,279.00 M412.23,289.50 L412.23,300.00  '/>	<g transform="translate(412.23,315.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M546.48,289.50 L546.48,279.00 M546.48,289.50 L546.48,300.00  '/>	<g transform="translate(546.48,315.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M680.73,289.50 L680.73,279.00 M680.73,289.50 L680.73,300.00  '/>	<g transform="translate(680.73,315.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 10</text>
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+

guide/guide-14.svg

@@ -0,0 +1,261 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="800" height="600"
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+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
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+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L770.62,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L74.13,558.00 M770.62,558.00 L760.12,558.00  '/>	<g transform="translate(53.84,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
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+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+		<text> 1.5</text>
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+		<text> 2</text>
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+		<text> 2.5</text>
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+		<text> 3</text>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,222.38 L74.13,222.38 M770.62,222.38 L760.12,222.38  '/>	<g transform="translate(53.84,226.93)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 3.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,155.26 L770.62,155.26  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,155.26 L74.13,155.26 M770.62,155.26 L760.12,155.26  '/>	<g transform="translate(53.84,159.81)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,88.13 L770.62,88.13  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,88.13 L74.13,88.13 M770.62,88.13 L760.12,88.13  '/>	<g transform="translate(53.84,92.68)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,21.01 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L74.13,21.01 M770.62,21.01 L760.12,21.01  '/>	<g transform="translate(53.84,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L63.63,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L63.63,547.50 M63.63,21.01 L63.63,31.51  '/>	<g transform="translate(63.63,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>05:00</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.98,558.00 L98.98,552.75 M98.98,21.01 L98.98,26.26 M134.33,558.00 L134.33,552.75 M134.33,21.01 L134.33,26.26
+		M169.68,558.00 L169.68,552.75 M169.68,21.01 L169.68,26.26 M205.03,558.00 L205.03,552.75 M205.03,21.01 L205.03,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M240.38,558.00 L240.38,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M240.38,558.00 L240.38,547.50 M240.38,21.01 L240.38,31.51  '/>	<g transform="translate(240.38,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>05:05</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M275.73,558.00 L275.73,552.75 M275.73,21.01 L275.73,26.26 M311.08,558.00 L311.08,552.75 M311.08,21.01 L311.08,26.26
+		M346.43,558.00 L346.43,552.75 M346.43,21.01 L346.43,26.26 M381.78,558.00 L381.78,552.75 M381.78,21.01 L381.78,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M417.13,558.00 L417.13,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M417.13,558.00 L417.13,547.50 M417.13,21.01 L417.13,31.51  '/>	<g transform="translate(417.13,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>05:10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M452.47,558.00 L452.47,552.75 M452.47,21.01 L452.47,26.26 M487.82,558.00 L487.82,552.75 M487.82,21.01 L487.82,26.26
+		M523.17,558.00 L523.17,552.75 M523.17,21.01 L523.17,26.26 M558.52,558.00 L558.52,552.75 M558.52,21.01 L558.52,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M593.87,558.00 L593.87,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M593.87,558.00 L593.87,547.50 M593.87,21.01 L593.87,31.51  '/>	<g transform="translate(593.87,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>05:15</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M629.22,558.00 L629.22,552.75 M629.22,21.01 L629.22,26.26 M664.57,558.00 L664.57,552.75 M664.57,21.01 L664.57,26.26
+		M699.92,558.00 L699.92,552.75 M699.92,21.01 L699.92,26.26 M735.27,558.00 L735.27,552.75 M735.27,21.01 L735.27,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M770.62,558.00 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M770.62,558.00 L770.62,547.50 M770.62,21.01 L770.62,31.51  '/>	<g transform="translate(770.62,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>05:20</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L63.63,558.00 L770.62,558.00 L770.62,21.01 L63.63,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	<g id="gnuplot_plot_1" ><title>gnuplot_plot_1</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='rgb(148,   0, 211)'  d='M346.43,558.00 L381.78,423.75 L417.13,289.50 L452.47,155.26 L487.82,21.01  '/>	<use xlink:href='#gpPt0' transform='translate(346.43,558.00) scale(5.25)' color='rgb(148,   0, 211)'/>
+	<use xlink:href='#gpPt0' transform='translate(381.78,423.75) scale(5.25)' color='rgb(148,   0, 211)'/>
+	<use xlink:href='#gpPt0' transform='translate(417.13,289.50) scale(5.25)' color='rgb(148,   0, 211)'/>
+	<use xlink:href='#gpPt0' transform='translate(452.47,155.26) scale(5.25)' color='rgb(148,   0, 211)'/>
+	<use xlink:href='#gpPt0' transform='translate(487.82,21.01) scale(5.25)' color='rgb(148,   0, 211)'/>
+</g>
+	</g>
+<g fill="none" color="white" stroke="rgb(148,   0, 211)" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L63.63,558.00 L770.62,558.00 L770.62,21.01 L63.63,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+</g>
+</svg>
+

guide/guide-15.svg

@@ -0,0 +1,261 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="800" height="600"
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 5.4 patchlevel 1 </desc>
+
+<g id="gnuplot_canvas">
+
+<rect x="0" y="0" width="800" height="600" fill="none"/>
+<defs>
+
+	<circle id='gpDot' r='0.5' stroke-width='0.5' stroke='currentColor'/>
+	<path id='gpPt0' stroke-width='0.190' stroke='currentColor' d='M-1,0 h2 M0,-1 v2'/>
+	<path id='gpPt1' stroke-width='0.190' stroke='currentColor' d='M-1,-1 L1,1 M1,-1 L-1,1'/>
+	<path id='gpPt2' stroke-width='0.190' stroke='currentColor' d='M-1,0 L1,0 M0,-1 L0,1 M-1,-1 L1,1 M-1,1 L1,-1'/>
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+	<rect id='gpPt4' stroke-width='0.190' stroke='currentColor' fill='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<circle id='gpPt5' stroke-width='0.190' stroke='currentColor' cx='0' cy='0' r='1'/>
+	<use xlink:href='#gpPt5' id='gpPt6' fill='currentColor' stroke='none'/>
+	<path id='gpPt7' stroke-width='0.190' stroke='currentColor' d='M0,-1.33 L-1.33,0.67 L1.33,0.67 z'/>
+	<use xlink:href='#gpPt7' id='gpPt8' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt7' id='gpPt9' stroke='currentColor' transform='rotate(180)'/>
+	<use xlink:href='#gpPt9' id='gpPt10' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt3' id='gpPt11' stroke='currentColor' transform='rotate(45)'/>
+	<use xlink:href='#gpPt11' id='gpPt12' fill='currentColor' stroke='none'/>
+	<path id='gpPt13' stroke-width='0.190' stroke='currentColor' d='M0,1.330 L1.265,0.411 L0.782,-1.067 L-0.782,-1.076 L-1.265,0.411 z'/>
+	<use xlink:href='#gpPt13' id='gpPt14' fill='currentColor' stroke='none'/>
+	<filter id='textbox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='white' flood-opacity='1' result='bgnd'/>
+	  <feComposite in='SourceGraphic' in2='bgnd' operator='atop'/>
+	</filter>
+	<filter id='greybox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='lightgrey' flood-opacity='1' result='grey'/>
+	  <feComposite in='SourceGraphic' in2='grey' operator='atop'/>
+	</filter>
+</defs>
+<g fill="none" color="white" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L770.62,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L74.13,558.00 M770.62,558.00 L760.12,558.00  '/>	<g transform="translate(53.84,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,490.88 L770.62,490.88  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,490.88 L74.13,490.88 M770.62,490.88 L760.12,490.88  '/>	<g transform="translate(53.84,495.43)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,423.75 L770.62,423.75  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,423.75 L74.13,423.75 M770.62,423.75 L760.12,423.75  '/>	<g transform="translate(53.84,428.30)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,356.63 L770.62,356.63  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,356.63 L74.13,356.63 M770.62,356.63 L760.12,356.63  '/>	<g transform="translate(53.84,361.18)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 2.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,289.50 L770.62,289.50  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,289.50 L74.13,289.50 M770.62,289.50 L760.12,289.50  '/>	<g transform="translate(53.84,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 3</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,222.38 L770.62,222.38  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,222.38 L74.13,222.38 M770.62,222.38 L760.12,222.38  '/>	<g transform="translate(53.84,226.93)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 3.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,155.26 L770.62,155.26  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,155.26 L74.13,155.26 M770.62,155.26 L760.12,155.26  '/>	<g transform="translate(53.84,159.81)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,88.13 L770.62,88.13  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,88.13 L74.13,88.13 M770.62,88.13 L760.12,88.13  '/>	<g transform="translate(53.84,92.68)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,21.01 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L74.13,21.01 M770.62,21.01 L760.12,21.01  '/>	<g transform="translate(53.84,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L63.63,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L63.63,547.50 M63.63,21.01 L63.63,31.51  '/>	<g transform="translate(63.63,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>06:05:00</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.98,558.00 L98.98,552.75 M98.98,21.01 L98.98,26.26 M134.33,558.00 L134.33,552.75 M134.33,21.01 L134.33,26.26
+		M169.68,558.00 L169.68,552.75 M169.68,21.01 L169.68,26.26 M205.03,558.00 L205.03,552.75 M205.03,21.01 L205.03,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M240.38,558.00 L240.38,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M240.38,558.00 L240.38,547.50 M240.38,21.01 L240.38,31.51  '/>	<g transform="translate(240.38,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>06:05:05</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M275.73,558.00 L275.73,552.75 M275.73,21.01 L275.73,26.26 M311.08,558.00 L311.08,552.75 M311.08,21.01 L311.08,26.26
+		M346.43,558.00 L346.43,552.75 M346.43,21.01 L346.43,26.26 M381.78,558.00 L381.78,552.75 M381.78,21.01 L381.78,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M417.13,558.00 L417.13,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M417.13,558.00 L417.13,547.50 M417.13,21.01 L417.13,31.51  '/>	<g transform="translate(417.13,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>06:05:10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M452.47,558.00 L452.47,552.75 M452.47,21.01 L452.47,26.26 M487.82,558.00 L487.82,552.75 M487.82,21.01 L487.82,26.26
+		M523.17,558.00 L523.17,552.75 M523.17,21.01 L523.17,26.26 M558.52,558.00 L558.52,552.75 M558.52,21.01 L558.52,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M593.87,558.00 L593.87,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M593.87,558.00 L593.87,547.50 M593.87,21.01 L593.87,31.51  '/>	<g transform="translate(593.87,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>06:05:15</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M629.22,558.00 L629.22,552.75 M629.22,21.01 L629.22,26.26 M664.57,558.00 L664.57,552.75 M664.57,21.01 L664.57,26.26
+		M699.92,558.00 L699.92,552.75 M699.92,21.01 L699.92,26.26 M735.27,558.00 L735.27,552.75 M735.27,21.01 L735.27,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M770.62,558.00 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M770.62,558.00 L770.62,547.50 M770.62,21.01 L770.62,31.51  '/>	<g transform="translate(770.62,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>06:05:20</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L63.63,558.00 L770.62,558.00 L770.62,21.01 L63.63,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	<g id="gnuplot_plot_1" ><title>gnuplot_plot_1</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='rgb(148,   0, 211)'  d='M346.43,558.00 L381.78,423.75 L417.13,289.50 L452.47,155.26 L487.82,21.01  '/>	<use xlink:href='#gpPt0' transform='translate(346.43,558.00) scale(5.25)' color='rgb(148,   0, 211)'/>
+	<use xlink:href='#gpPt0' transform='translate(381.78,423.75) scale(5.25)' color='rgb(148,   0, 211)'/>
+	<use xlink:href='#gpPt0' transform='translate(417.13,289.50) scale(5.25)' color='rgb(148,   0, 211)'/>
+	<use xlink:href='#gpPt0' transform='translate(452.47,155.26) scale(5.25)' color='rgb(148,   0, 211)'/>
+	<use xlink:href='#gpPt0' transform='translate(487.82,21.01) scale(5.25)' color='rgb(148,   0, 211)'/>
+</g>
+	</g>
+<g fill="none" color="white" stroke="rgb(148,   0, 211)" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L63.63,558.00 L770.62,558.00 L770.62,21.01 L63.63,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+</g>
+</svg>
+

guide/guide-16.svg

@@ -0,0 +1,140 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="800" height="600"
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 5.4 patchlevel 1 </desc>
+
+<g id="gnuplot_canvas">
+
+<rect x="0" y="0" width="800" height="600" fill="none"/>
+<defs>
+
+	<circle id='gpDot' r='0.5' stroke-width='0.5' stroke='currentColor'/>
+	<path id='gpPt0' stroke-width='0.190' stroke='currentColor' d='M-1,0 h2 M0,-1 v2'/>
+	<path id='gpPt1' stroke-width='0.190' stroke='currentColor' d='M-1,-1 L1,1 M1,-1 L-1,1'/>
+	<path id='gpPt2' stroke-width='0.190' stroke='currentColor' d='M-1,0 L1,0 M0,-1 L0,1 M-1,-1 L1,1 M-1,1 L1,-1'/>
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+	<circle id='gpPt5' stroke-width='0.190' stroke='currentColor' cx='0' cy='0' r='1'/>
+	<use xlink:href='#gpPt5' id='gpPt6' fill='currentColor' stroke='none'/>
+	<path id='gpPt7' stroke-width='0.190' stroke='currentColor' d='M0,-1.33 L-1.33,0.67 L1.33,0.67 z'/>
+	<use xlink:href='#gpPt7' id='gpPt8' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt7' id='gpPt9' stroke='currentColor' transform='rotate(180)'/>
+	<use xlink:href='#gpPt9' id='gpPt10' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt3' id='gpPt11' stroke='currentColor' transform='rotate(45)'/>
+	<use xlink:href='#gpPt11' id='gpPt12' fill='currentColor' stroke='none'/>
+	<path id='gpPt13' stroke-width='0.190' stroke='currentColor' d='M0,1.330 L1.265,0.411 L0.782,-1.067 L-0.782,-1.076 L-1.265,0.411 z'/>
+	<use xlink:href='#gpPt13' id='gpPt14' fill='currentColor' stroke='none'/>
+	<filter id='textbox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='white' flood-opacity='1' result='bgnd'/>
+	  <feComposite in='SourceGraphic' in2='bgnd' operator='atop'/>
+	</filter>
+	<filter id='greybox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='lightgrey' flood-opacity='1' result='grey'/>
+	  <feComposite in='SourceGraphic' in2='grey' operator='atop'/>
+	</filter>
+</defs>
+<g fill="none" color="white" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,558.00 L54.55,558.00 M770.62,558.00 L760.12,558.00  '/>	<g transform="translate(34.26,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,468.50 L54.55,468.50 M770.62,468.50 L760.12,468.50  '/>	<g transform="translate(34.26,473.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,379.00 L54.55,379.00 M770.62,379.00 L760.12,379.00  '/>	<g transform="translate(34.26,383.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,289.50 L54.55,289.50 M770.62,289.50 L760.12,289.50  '/>	<g transform="translate(34.26,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 3</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,200.01 L54.55,200.01 M770.62,200.01 L760.12,200.01  '/>	<g transform="translate(34.26,204.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,110.51 L54.55,110.51 M770.62,110.51 L760.12,110.51  '/>	<g transform="translate(34.26,115.06)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,21.01 L54.55,21.01 M770.62,21.01 L760.12,21.01  '/>	<g transform="translate(34.26,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,558.00 L44.05,547.50 M44.05,21.01 L44.05,31.51  '/>	<g transform="translate(44.05,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M189.36,558.00 L189.36,547.50 M189.36,21.01 L189.36,31.51  '/>	<g transform="translate(189.36,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M334.68,558.00 L334.68,547.50 M334.68,21.01 L334.68,31.51  '/>	<g transform="translate(334.68,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M479.99,558.00 L479.99,547.50 M479.99,21.01 L479.99,31.51  '/>	<g transform="translate(479.99,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 3</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M625.31,558.00 L625.31,547.50 M625.31,21.01 L625.31,31.51  '/>	<g transform="translate(625.31,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M770.62,558.00 L770.62,547.50 M770.62,21.01 L770.62,31.51  '/>	<g transform="translate(770.62,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+	<path stroke='black'  d='M683.20,558.00 L714.37,558.00 L714.37,21.01 L683.20,21.01 L683.20,558.00 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M714.37,558.00 L703.87,558.00  '/>	<g transform="translate(724.16,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,558.00 L693.70,558.00 M714.37,450.61 L703.87,450.61  '/>	<g transform="translate(724.16,455.16)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 12</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,450.61 L693.70,450.61 M714.37,343.21 L703.87,343.21  '/>	<g transform="translate(724.16,347.76)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 14</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,343.21 L693.70,343.21 M714.37,235.81 L703.87,235.81  '/>	<g transform="translate(724.16,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 16</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,235.81 L693.70,235.81 M714.37,128.41 L703.87,128.41  '/>	<g transform="translate(724.16,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 18</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,128.41 L693.70,128.41 M714.37,21.01 L703.87,21.01  '/>	<g transform="translate(724.16,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 20</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,21.01 L693.70,21.01  '/></g>
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+</g>
+</g>
+</svg>
+

guide/guide-19.svg

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+<svg 
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+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
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+	<filter id='greybox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
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+	  <feComposite in='SourceGraphic' in2='grey' operator='atop'/>
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+</defs>
+<g fill="none" color="white" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L770.62,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L74.13,558.00 M770.62,558.00 L760.12,558.00  '/>	<g transform="translate(53.84,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,498.33 L770.62,498.33  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,498.33 L74.13,498.33 M770.62,498.33 L760.12,498.33  '/>	<g transform="translate(53.84,502.88)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 100</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,438.67 L74.13,438.67 M770.62,438.67 L760.12,438.67  '/>	<g transform="translate(53.84,443.22)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 200</text>
+	</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,379.00 L770.62,379.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,379.00 L74.13,379.00 M770.62,379.00 L760.12,379.00  '/>	<g transform="translate(53.84,383.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 300</text>
+	</g>
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+	<path stroke='black'  d='M63.63,319.34 L74.13,319.34 M770.62,319.34 L760.12,319.34  '/>	<g transform="translate(53.84,323.89)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 400</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,259.67 L770.62,259.67  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,259.67 L74.13,259.67 M770.62,259.67 L760.12,259.67  '/>	<g transform="translate(53.84,264.22)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 500</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,200.01 L770.62,200.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,200.01 L74.13,200.01 M770.62,200.01 L760.12,200.01  '/>	<g transform="translate(53.84,204.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 600</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,140.34 L770.62,140.34  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,140.34 L74.13,140.34 M770.62,140.34 L760.12,140.34  '/>	<g transform="translate(53.84,144.89)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 700</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,80.68 L74.13,80.68 M770.62,80.68 L760.12,80.68  '/>	<g transform="translate(53.84,85.23)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 800</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L74.13,21.01 M770.62,21.01 L760.12,21.01  '/>	<g transform="translate(53.84,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 900</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L63.63,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L63.63,547.50 M63.63,21.01 L63.63,31.51  '/>	<g transform="translate(63.63,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-4</text>
+	</g>
+</g>
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+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M152.00,558.00 L152.00,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M152.00,558.00 L152.00,547.50 M152.00,21.01 L152.00,31.51  '/>	<g transform="translate(152.00,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-3</text>
+	</g>
+</g>
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+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M240.38,558.00 L240.38,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M240.38,558.00 L240.38,547.50 M240.38,21.01 L240.38,31.51  '/>	<g transform="translate(240.38,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-2</text>
+	</g>
+</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M328.75,558.00 L328.75,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M328.75,558.00 L328.75,547.50 M328.75,21.01 L328.75,31.51  '/>	<g transform="translate(328.75,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-1</text>
+	</g>
+</g>
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+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M417.13,558.00 L417.13,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M417.13,558.00 L417.13,547.50 M417.13,21.01 L417.13,31.51  '/>	<g transform="translate(417.13,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M505.50,558.00 L505.50,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M505.50,558.00 L505.50,547.50 M505.50,21.01 L505.50,31.51  '/>	<g transform="translate(505.50,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M593.87,558.00 L593.87,52.51 M593.87,31.51 L593.87,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M593.87,558.00 L593.87,547.50 M593.87,21.01 L593.87,31.51  '/>	<g transform="translate(593.87,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M682.25,558.00 L682.25,52.51 M682.25,31.51 L682.25,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M682.25,558.00 L682.25,547.50 M682.25,21.01 L682.25,31.51  '/>	<g transform="translate(682.25,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 3</text>
+	</g>
+</g>
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+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M770.62,558.00 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M770.62,558.00 L770.62,547.50 M770.62,21.01 L770.62,31.51  '/>	<g transform="translate(770.62,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 4</text>
+	</g>
+</g>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L63.63,558.00 L770.62,558.00 L770.62,21.01 L63.63,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	<g id="gnuplot_plot_1" ><title>gnuplot_plot_1</title>
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+		<text> 0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,182.11 L770.62,182.11  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,182.11 L74.13,182.11 M770.62,182.11 L760.12,182.11  '/>	<g transform="translate(53.84,186.66)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,128.41 L770.62,128.41  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,128.41 L74.13,128.41 M770.62,128.41 L760.12,128.41  '/>	<g transform="translate(53.84,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,74.71 L770.62,74.71  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,74.71 L74.13,74.71 M770.62,74.71 L760.12,74.71  '/>	<g transform="translate(53.84,79.26)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,21.01 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L74.13,21.01 M770.62,21.01 L760.12,21.01  '/>	<g transform="translate(53.84,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L63.63,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L63.63,547.50 M63.63,21.01 L63.63,31.51  '/>	<g transform="translate(63.63,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M134.33,558.00 L134.33,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M134.33,558.00 L134.33,547.50 M134.33,21.01 L134.33,31.51  '/>	<g transform="translate(134.33,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M205.03,558.00 L205.03,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M205.03,558.00 L205.03,547.50 M205.03,21.01 L205.03,31.51  '/>	<g transform="translate(205.03,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 20</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M275.73,558.00 L275.73,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M275.73,558.00 L275.73,547.50 M275.73,21.01 L275.73,31.51  '/>	<g transform="translate(275.73,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 30</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M346.43,558.00 L346.43,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M346.43,558.00 L346.43,547.50 M346.43,21.01 L346.43,31.51  '/>	<g transform="translate(346.43,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 40</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M417.13,558.00 L417.13,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M417.13,558.00 L417.13,547.50 M417.13,21.01 L417.13,31.51  '/>	<g transform="translate(417.13,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 50</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M487.82,558.00 L487.82,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M487.82,558.00 L487.82,547.50 M487.82,21.01 L487.82,31.51  '/>	<g transform="translate(487.82,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 60</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M558.52,558.00 L558.52,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M558.52,558.00 L558.52,547.50 M558.52,21.01 L558.52,31.51  '/>	<g transform="translate(558.52,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 70</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M629.22,558.00 L629.22,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M629.22,558.00 L629.22,547.50 M629.22,21.01 L629.22,31.51  '/>	<g transform="translate(629.22,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 80</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M699.92,558.00 L699.92,31.51 L699.92,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M699.92,558.00 L699.92,547.50 M699.92,21.01 L699.92,31.51  '/>	<g transform="translate(699.92,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 90</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M770.62,558.00 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M770.62,558.00 L770.62,547.50 M770.62,21.01 L770.62,31.51  '/>	<g transform="translate(770.62,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 100</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L63.63,558.00 L770.62,558.00 L770.62,21.01 L63.63,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	<g id="gnuplot_plot_1" ><title>gnuplot_plot_1</title>
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+</svg>
+

guide/guide-21.svg

@@ -0,0 +1,308 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="800" height="600"
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 5.4 patchlevel 1 </desc>
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+<g id="gnuplot_canvas">
+
+<rect x="0" y="0" width="800" height="600" fill="none"/>
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+	<use xlink:href='#gpPt5' id='gpPt6' fill='currentColor' stroke='none'/>
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+	<use xlink:href='#gpPt7' id='gpPt8' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt7' id='gpPt9' stroke='currentColor' transform='rotate(180)'/>
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+	<filter id='textbox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='white' flood-opacity='1' result='bgnd'/>
+	  <feComposite in='SourceGraphic' in2='bgnd' operator='atop'/>
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+	<filter id='greybox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
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+	  <feComposite in='SourceGraphic' in2='grey' operator='atop'/>
+	</filter>
+</defs>
+<g fill="none" color="white" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M44.05,558.00 L770.62,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,558.00 L54.55,558.00 M770.62,558.00 L760.12,558.00  '/>	<g transform="translate(34.26,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M44.05,450.60 L770.62,450.60  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,450.60 L54.55,450.60 M770.62,450.60 L760.12,450.60  '/>	<g transform="translate(34.26,455.15)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M44.05,343.20 L770.62,343.20  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,343.20 L54.55,343.20 M770.62,343.20 L760.12,343.20  '/>	<g transform="translate(34.26,347.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M44.05,235.81 L770.62,235.81  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,235.81 L54.55,235.81 M770.62,235.81 L760.12,235.81  '/>	<g transform="translate(34.26,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 3</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M44.05,128.41 L770.62,128.41  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,128.41 L54.55,128.41 M770.62,128.41 L760.12,128.41  '/>	<g transform="translate(34.26,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M44.05,21.01 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,21.01 L54.55,21.01 M770.62,21.01 L760.12,21.01  '/>	<g transform="translate(34.26,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M44.05,558.00 L44.05,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,558.00 L44.05,547.50 M44.05,21.01 L44.05,31.51  '/>	<g transform="translate(44.05,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>17:30:00</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M70.96,558.00 L70.96,552.75 M70.96,21.01 L70.96,26.26 M97.87,558.00 L97.87,552.75 M97.87,21.01 L97.87,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M124.78,558.00 L124.78,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M124.78,558.00 L124.78,547.50 M124.78,21.01 L124.78,31.51  '/>	<g transform="translate(124.78,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>17:33:00</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M151.69,558.00 L151.69,552.75 M151.69,21.01 L151.69,26.26 M178.60,558.00 L178.60,552.75 M178.60,21.01 L178.60,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M205.51,558.00 L205.51,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M205.51,558.00 L205.51,547.50 M205.51,21.01 L205.51,31.51  '/>	<g transform="translate(205.51,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>17:36:00</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M232.42,558.00 L232.42,552.75 M232.42,21.01 L232.42,26.26 M259.33,558.00 L259.33,552.75 M259.33,21.01 L259.33,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M286.24,558.00 L286.24,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M286.24,558.00 L286.24,547.50 M286.24,21.01 L286.24,31.51  '/>	<g transform="translate(286.24,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>17:39:00</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M313.15,558.00 L313.15,552.75 M313.15,21.01 L313.15,26.26 M340.06,558.00 L340.06,552.75 M340.06,21.01 L340.06,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M366.97,558.00 L366.97,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M366.97,558.00 L366.97,547.50 M366.97,21.01 L366.97,31.51  '/>	<g transform="translate(366.97,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>17:42:00</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M393.88,558.00 L393.88,552.75 M393.88,21.01 L393.88,26.26 M420.79,558.00 L420.79,552.75 M420.79,21.01 L420.79,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M447.70,558.00 L447.70,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M447.70,558.00 L447.70,547.50 M447.70,21.01 L447.70,31.51  '/>	<g transform="translate(447.70,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>17:45:00</text>
+	</g>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M528.43,558.00 L528.43,547.50 M528.43,21.01 L528.43,31.51  '/>	<g transform="translate(528.43,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>17:48:00</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M555.34,558.00 L555.34,552.75 M555.34,21.01 L555.34,26.26 M582.25,558.00 L582.25,552.75 M582.25,21.01 L582.25,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M609.16,558.00 L609.16,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M609.16,558.00 L609.16,547.50 M609.16,21.01 L609.16,31.51  '/>	<g transform="translate(609.16,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>17:51:00</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M636.07,558.00 L636.07,552.75 M636.07,21.01 L636.07,26.26 M662.98,558.00 L662.98,552.75 M662.98,21.01 L662.98,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M689.89,558.00 L689.89,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M689.89,558.00 L689.89,547.50 M689.89,21.01 L689.89,31.51  '/>	<g transform="translate(689.89,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>17:54:00</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M716.80,558.00 L716.80,552.75 M716.80,21.01 L716.80,26.26 M743.71,558.00 L743.71,552.75 M743.71,21.01 L743.71,26.26
+		 '/></g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M770.62,558.00 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M770.62,558.00 L770.62,547.50 M770.62,21.01 L770.62,31.51  '/>	<g transform="translate(770.62,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>17:57:00</text>
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guide/guide-22.svg

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+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="800" height="600"
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
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+	  <feFlood flood-color='white' flood-opacity='1' result='bgnd'/>
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+<g fill="none" color="white" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,558.00 L54.55,558.00 M770.62,558.00 L760.12,558.00  '/>	<g transform="translate(34.26,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,450.60 L54.55,450.60 M770.62,450.60 L760.12,450.60  '/>	<g transform="translate(34.26,455.15)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,343.20 L54.55,343.20 M770.62,343.20 L760.12,343.20  '/>	<g transform="translate(34.26,347.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,235.81 L54.55,235.81 M770.62,235.81 L760.12,235.81  '/>	<g transform="translate(34.26,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 3</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,128.41 L54.55,128.41 M770.62,128.41 L760.12,128.41  '/>	<g transform="translate(34.26,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4</text>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+		<text> 5</text>
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+		<text>aaa</text>
+	</g>
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+		<text>bbb</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+		<text>ccc</text>
+	</g>
+</g>
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+	<path stroke='black'  d='M625.31,558.00 L625.31,547.50 M625.31,21.01 L625.31,31.51  '/>	<g transform="translate(625.31,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>ddd</text>
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guide/guide-23.svg

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+<g fill="none" color="white" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,558.00 L54.55,558.00 M770.62,558.00 L760.12,558.00  '/>	<g transform="translate(34.26,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,450.60 L54.55,450.60 M770.62,450.60 L760.12,450.60  '/>	<g transform="translate(34.26,455.15)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,343.20 L54.55,343.20 M770.62,343.20 L760.12,343.20  '/>	<g transform="translate(34.26,347.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,235.81 L54.55,235.81 M770.62,235.81 L760.12,235.81  '/>	<g transform="translate(34.26,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 3</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,128.41 L54.55,128.41 M770.62,128.41 L760.12,128.41  '/>	<g transform="translate(34.26,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,21.01 L54.55,21.01 M770.62,21.01 L760.12,21.01  '/>	<g transform="translate(34.26,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M134.87,558.00 L134.87,547.50 M134.87,21.01 L134.87,31.51  '/>	<g transform="translate(134.87,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>aaa</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M225.69,558.00 L225.69,547.50 M225.69,21.01 L225.69,31.51  '/>	<g transform="translate(225.69,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>bbb</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M588.98,558.00 L588.98,547.50 M588.98,21.01 L588.98,31.51  '/>	<g transform="translate(588.98,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>ccc</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M679.80,558.00 L679.80,547.50 M679.80,21.01 L679.80,31.51  '/>	<g transform="translate(679.80,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>ddd</text>
+	</g>
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+</g>
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+	<path stroke='black'  d='M44.05,21.01 L44.05,558.00 L770.62,558.00 L770.62,21.01 L44.05,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+

guide/guide-24.svg

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+		<text> 0</text>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,450.60 L54.55,450.60 M770.62,450.60 L760.12,450.60  '/>	<g transform="translate(34.26,455.15)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+		<text> 2</text>
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+		<text> 3</text>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,128.41 L54.55,128.41 M770.62,128.41 L760.12,128.41  '/>	<g transform="translate(34.26,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,21.01 L54.55,21.01 M770.62,21.01 L760.12,21.01  '/>	<g transform="translate(34.26,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M189.36,558.00 L189.36,547.50 M189.36,21.01 L189.36,31.51  '/>	<g transform="translate(189.36,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>aaa</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M334.68,558.00 L334.68,547.50 M334.68,21.01 L334.68,31.51  '/>	<g transform="translate(334.68,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>bbb</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M479.99,558.00 L479.99,547.50 M479.99,21.01 L479.99,31.51  '/>	<g transform="translate(479.99,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>ccc</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M625.31,558.00 L625.31,547.50 M625.31,21.01 L625.31,31.51  '/>	<g transform="translate(625.31,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>ddd</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,21.01 L44.05,558.00 L770.62,558.00 L770.62,21.01 L44.05,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	<g id="gnuplot_plot_1" ><title>gnuplot_plot_1</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(691.59,46.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>a</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(148,   0, 211)' points = '588.98,558.00 625.32,558.00 625.32,343.19 588.98,343.19 '/>
+	</g>
+	<path stroke='black'  d='M588.98,558.00 L588.98,343.20 L625.31,343.20 L625.31,558.00 L588.98,558.00 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	</g>
+	<g id="gnuplot_plot_2" ><title>gnuplot_plot_2</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(691.59,67.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>b</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+</svg>
+

guide/guide-25.svg

@@ -0,0 +1,200 @@
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+<g fill="none" color="white" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,558.00 L54.55,558.00 M770.62,558.00 L760.12,558.00  '/>	<g transform="translate(34.26,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,498.33 L54.55,498.33 M770.62,498.33 L760.12,498.33  '/>	<g transform="translate(34.26,502.88)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,438.67 L54.55,438.67 M770.62,438.67 L760.12,438.67  '/>	<g transform="translate(34.26,443.22)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,379.00 L54.55,379.00 M770.62,379.00 L760.12,379.00  '/>	<g transform="translate(34.26,383.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 3</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,319.34 L54.55,319.34 M770.62,319.34 L760.12,319.34  '/>	<g transform="translate(34.26,323.89)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,259.67 L54.55,259.67 M770.62,259.67 L760.12,259.67  '/>	<g transform="translate(34.26,264.22)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,200.01 L54.55,200.01 M770.62,200.01 L760.12,200.01  '/>	<g transform="translate(34.26,204.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,140.34 L54.55,140.34 M770.62,140.34 L760.12,140.34  '/>	<g transform="translate(34.26,144.89)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 7</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,80.68 L54.55,80.68 M770.62,80.68 L760.12,80.68  '/>	<g transform="translate(34.26,85.23)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,21.01 L54.55,21.01 M770.62,21.01 L760.12,21.01  '/>	<g transform="translate(34.26,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 9</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M189.36,558.00 L189.36,547.50 M189.36,21.01 L189.36,31.51  '/>	<g transform="translate(189.36,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>aaa</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M334.68,558.00 L334.68,547.50 M334.68,21.01 L334.68,31.51  '/>	<g transform="translate(334.68,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>bbb</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M479.99,558.00 L479.99,547.50 M479.99,21.01 L479.99,31.51  '/>	<g transform="translate(479.99,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>ccc</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M625.31,558.00 L625.31,547.50 M625.31,21.01 L625.31,31.51  '/>	<g transform="translate(625.31,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>ddd</text>
+	</g>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M44.05,21.01 L44.05,558.00 L770.62,558.00 L770.62,21.01 L44.05,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+	<g transform="translate(691.59,46.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>a</text>
+	</g>
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+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,558.00 L714.37,558.00 L714.37,21.01 L683.20,21.01 L683.20,558.00 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M714.37,558.00 L703.87,558.00  '/>	<g transform="translate(724.16,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,558.00 L693.70,558.00 M714.37,468.51 L703.87,468.51  '/>	<g transform="translate(724.16,473.06)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 1.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,468.51 L693.70,468.51 M714.37,379.01 L703.87,379.01  '/>	<g transform="translate(724.16,383.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,379.01 L693.70,379.01 M714.37,289.51 L703.87,289.51  '/>	<g transform="translate(724.16,294.06)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 2.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,289.51 L693.70,289.51 M714.37,200.01 L703.87,200.01  '/>	<g transform="translate(724.16,204.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 3</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,200.01 L693.70,200.01 M714.37,110.51 L703.87,110.51  '/>	<g transform="translate(724.16,115.06)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 3.5</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,110.51 L693.70,110.51 M714.37,21.01 L703.87,21.01  '/>	<g transform="translate(724.16,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M683.20,21.01 L693.70,21.01  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+</g>
+</svg>
+

guide/guide-27.svg

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+		<text>-6</text>
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+	<path stroke='black'  d='M138.84,379.00 L149.34,379.00 M675.83,379.00 L665.33,379.00  '/>	<g transform="translate(129.05,383.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M138.84,289.50 L675.83,289.50  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M138.84,289.50 L149.34,289.50 M675.83,289.50 L665.33,289.50  '/>	<g transform="translate(129.05,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M138.84,200.01 L675.83,200.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M138.84,200.01 L149.34,200.01 M675.83,200.01 L665.33,200.01  '/>	<g transform="translate(129.05,204.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M138.84,110.51 L675.83,110.51  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M138.84,110.51 L149.34,110.51 M675.83,110.51 L665.33,110.51  '/>	<g transform="translate(129.05,115.06)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M138.84,21.01 L675.83,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M138.84,21.01 L149.34,21.01 M675.83,21.01 L665.33,21.01  '/>	<g transform="translate(129.05,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M138.84,558.00 L138.84,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M138.84,558.00 L138.84,547.50 M138.84,21.01 L138.84,31.51  '/>	<g transform="translate(138.84,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M228.34,558.00 L228.34,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M228.34,558.00 L228.34,547.50 M228.34,21.01 L228.34,31.51  '/>	<g transform="translate(228.34,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-4</text>
+	</g>
+</g>
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+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M317.84,558.00 L317.84,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M317.84,558.00 L317.84,547.50 M317.84,21.01 L317.84,31.51  '/>	<g transform="translate(317.84,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M407.34,558.00 L407.34,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M407.34,558.00 L407.34,547.50 M407.34,21.01 L407.34,31.51  '/>	<g transform="translate(407.34,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M496.83,558.00 L496.83,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M496.83,558.00 L496.83,547.50 M496.83,21.01 L496.83,31.51  '/>	<g transform="translate(496.83,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 2</text>
+	</g>
+</g>
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+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M586.33,558.00 L586.33,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M586.33,558.00 L586.33,547.50 M586.33,21.01 L586.33,31.51  '/>	<g transform="translate(586.33,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 4</text>
+	</g>
+</g>
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+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M675.83,558.00 L675.83,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M675.83,558.00 L675.83,547.50 M675.83,21.01 L675.83,31.51  '/>	<g transform="translate(675.83,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 6</text>
+	</g>
+</g>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M138.84,21.01 L138.84,558.00 L675.83,558.00 L675.83,21.01 L138.84,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+

guide/guide-3.svg

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+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="800" height="600"
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 5.4 patchlevel 1 </desc>
+
+<g id="gnuplot_canvas">
+
+<rect x="0" y="0" width="800" height="600" fill="none"/>
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+	<circle id='gpDot' r='0.5' stroke-width='0.5' stroke='currentColor'/>
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+	<path id='gpPt1' stroke-width='0.190' stroke='currentColor' d='M-1,-1 L1,1 M1,-1 L-1,1'/>
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+	<circle id='gpPt5' stroke-width='0.190' stroke='currentColor' cx='0' cy='0' r='1'/>
+	<use xlink:href='#gpPt5' id='gpPt6' fill='currentColor' stroke='none'/>
+	<path id='gpPt7' stroke-width='0.190' stroke='currentColor' d='M0,-1.33 L-1.33,0.67 L1.33,0.67 z'/>
+	<use xlink:href='#gpPt7' id='gpPt8' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt7' id='gpPt9' stroke='currentColor' transform='rotate(180)'/>
+	<use xlink:href='#gpPt9' id='gpPt10' fill='currentColor' stroke='none'/>
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+	<filter id='textbox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
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+	  <feComposite in='SourceGraphic' in2='bgnd' operator='atop'/>
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+	<filter id='greybox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
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+	  <feComposite in='SourceGraphic' in2='grey' operator='atop'/>
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+</defs>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L770.62,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L74.13,558.00 M770.62,558.00 L760.12,558.00  '/>	<g transform="translate(53.84,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,504.30 L770.62,504.30  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,504.30 L74.13,504.30 M770.62,504.30 L760.12,504.30  '/>	<g transform="translate(53.84,508.85)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,450.60 L74.13,450.60 M770.62,450.60 L760.12,450.60  '/>	<g transform="translate(53.84,455.15)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,396.90 L770.62,396.90  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,396.90 L74.13,396.90 M770.62,396.90 L760.12,396.90  '/>	<g transform="translate(53.84,401.45)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,343.20 L770.62,343.20  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,343.20 L74.13,343.20 M770.62,343.20 L760.12,343.20  '/>	<g transform="translate(53.84,347.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,289.50 L770.62,289.50  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,289.50 L74.13,289.50 M770.62,289.50 L760.12,289.50  '/>	<g transform="translate(53.84,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,235.81 L770.62,235.81  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,235.81 L74.13,235.81 M770.62,235.81 L760.12,235.81  '/>	<g transform="translate(53.84,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,182.11 L770.62,182.11  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,182.11 L74.13,182.11 M770.62,182.11 L760.12,182.11  '/>	<g transform="translate(53.84,186.66)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.4</text>
+	</g>
+</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,128.41 L770.62,128.41  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,128.41 L74.13,128.41 M770.62,128.41 L760.12,128.41  '/>	<g transform="translate(53.84,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.6</text>
+	</g>
+</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,74.71 L74.13,74.71 M770.62,74.71 L760.12,74.71  '/>	<g transform="translate(53.84,79.26)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,21.01 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L74.13,21.01 M770.62,21.01 L760.12,21.01  '/>	<g transform="translate(53.84,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L63.63,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L63.63,547.50 M63.63,21.01 L63.63,31.51  '/>	<g transform="translate(63.63,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M134.33,558.00 L134.33,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M134.33,558.00 L134.33,547.50 M134.33,21.01 L134.33,31.51  '/>	<g transform="translate(134.33,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 10</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M205.03,558.00 L205.03,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M205.03,558.00 L205.03,547.50 M205.03,21.01 L205.03,31.51  '/>	<g transform="translate(205.03,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 20</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M275.73,558.00 L275.73,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M275.73,558.00 L275.73,547.50 M275.73,21.01 L275.73,31.51  '/>	<g transform="translate(275.73,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 30</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M346.43,558.00 L346.43,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M346.43,558.00 L346.43,547.50 M346.43,21.01 L346.43,31.51  '/>	<g transform="translate(346.43,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 40</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M417.13,558.00 L417.13,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M417.13,558.00 L417.13,547.50 M417.13,21.01 L417.13,31.51  '/>	<g transform="translate(417.13,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 50</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M487.82,558.00 L487.82,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M487.82,558.00 L487.82,547.50 M487.82,21.01 L487.82,31.51  '/>	<g transform="translate(487.82,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 60</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M558.52,558.00 L558.52,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M558.52,558.00 L558.52,547.50 M558.52,21.01 L558.52,31.51  '/>	<g transform="translate(558.52,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 70</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M629.22,558.00 L629.22,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M629.22,558.00 L629.22,547.50 M629.22,21.01 L629.22,31.51  '/>	<g transform="translate(629.22,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 80</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M699.92,558.00 L699.92,31.51 L699.92,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M699.92,558.00 L699.92,547.50 M699.92,21.01 L699.92,31.51  '/>	<g transform="translate(699.92,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 90</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M770.62,558.00 L770.62,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M770.62,558.00 L770.62,547.50 M770.62,21.01 L770.62,31.51  '/>	<g transform="translate(770.62,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 100</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,21.01 L63.63,558.00 L770.62,558.00 L770.62,21.01 L63.63,21.01 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	<g id="gnuplot_plot_1" ><title>gnuplot_plot_1</title>
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+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="800" height="600"
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
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+<title>Gnuplot</title>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,558.00 L770.62,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,558.00 L74.13,558.00 M770.62,558.00 L760.12,558.00  '/>	<g transform="translate(53.84,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,504.30 L74.13,504.30 M770.62,504.30 L760.12,504.30  '/>	<g transform="translate(53.84,508.85)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.8</text>
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+		<text>-0.6</text>
+	</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,396.90 L74.13,396.90 M770.62,396.90 L760.12,396.90  '/>	<g transform="translate(53.84,401.45)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+</g>
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+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,343.20 L770.62,343.20  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,343.20 L74.13,343.20 M770.62,343.20 L760.12,343.20  '/>	<g transform="translate(53.84,347.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,289.50 L770.62,289.50  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,289.50 L74.13,289.50 M770.62,289.50 L760.12,289.50  '/>	<g transform="translate(53.84,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
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+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M63.63,235.81 L770.62,235.81  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,235.81 L74.13,235.81 M770.62,235.81 L760.12,235.81  '/>	<g transform="translate(53.84,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.2</text>
+	</g>
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+	<path stroke='black'  d='M63.63,182.11 L74.13,182.11 M770.62,182.11 L760.12,182.11  '/>	<g transform="translate(53.84,186.66)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.4</text>
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M63.63,128.41 L74.13,128.41 M770.62,128.41 L760.12,128.41  '/>	<g transform="translate(53.84,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.6</text>
+	</g>
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+	<path stroke='black'  d='M63.63,74.71 L74.13,74.71 M770.62,74.71 L760.12,74.71  '/>	<g transform="translate(53.84,79.26)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.8</text>
+	</g>
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+		<text> 1</text>
+	</g>
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+	<path stroke='black'  d='M63.63,558.00 L63.63,547.50 M63.63,21.01 L63.63,31.51  '/>	<g transform="translate(63.63,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-1</text>
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+	<path stroke='black'  d='M134.33,558.00 L134.33,547.50 M134.33,21.01 L134.33,31.51  '/>	<g transform="translate(134.33,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.8</text>
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+		<text>-0.6</text>
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+		<text>-0.4</text>
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+	<path stroke='black'  d='M346.43,558.00 L346.43,547.50 M346.43,21.01 L346.43,31.51  '/>	<g transform="translate(346.43,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.2</text>
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+		<text> 0</text>
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+	<path stroke='black'  d='M487.82,558.00 L487.82,547.50 M487.82,21.01 L487.82,31.51  '/>	<g transform="translate(487.82,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0.2</text>
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+		<text> 0.4</text>
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+		<text> 0.6</text>
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+		<text> 0.8</text>
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+		<text> 1</text>
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+</svg>
+

guide/guide-5.svg

@@ -0,0 +1,464 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="800" height="600"
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 5.4 patchlevel 1 </desc>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,558.00 L685.62,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,558.00 L159.13,558.00 M685.62,558.00 L675.12,558.00  '/>	<g transform="translate(138.84,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,504.30 L685.62,504.30  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,504.30 L159.13,504.30 M685.62,504.30 L675.12,504.30  '/>	<g transform="translate(138.84,508.85)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,450.60 L685.62,450.60  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,450.60 L159.13,450.60 M685.62,450.60 L675.12,450.60  '/>	<g transform="translate(138.84,455.15)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,396.90 L685.62,396.90  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,396.90 L159.13,396.90 M685.62,396.90 L675.12,396.90  '/>	<g transform="translate(138.84,401.45)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,343.20 L685.62,343.20  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,343.20 L159.13,343.20 M685.62,343.20 L675.12,343.20  '/>	<g transform="translate(138.84,347.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,289.50 L685.62,289.50  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,289.50 L159.13,289.50 M685.62,289.50 L675.12,289.50  '/>	<g transform="translate(138.84,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,235.81 L685.62,235.81  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,235.81 L159.13,235.81 M685.62,235.81 L675.12,235.81  '/>	<g transform="translate(138.84,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,182.11 L685.62,182.11  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,182.11 L159.13,182.11 M685.62,182.11 L675.12,182.11  '/>	<g transform="translate(138.84,186.66)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,128.41 L159.13,128.41 M685.62,128.41 L675.12,128.41  '/>	<g transform="translate(138.84,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,74.71 L159.13,74.71 M685.62,74.71 L675.12,74.71  '/>	<g transform="translate(138.84,79.26)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.8</text>
+	</g>
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+</g>
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+</g>
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+	<path stroke='black'  d='M148.63,21.01 L159.13,21.01 M685.62,21.01 L675.12,21.01  '/>	<g transform="translate(138.84,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
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+</g>
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+</g>
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+	<path stroke='black'  d='M148.63,558.00 L148.63,547.50 M148.63,21.01 L148.63,31.51  '/>	<g transform="translate(148.63,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-1</text>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M202.33,558.00 L202.33,547.50 M202.33,21.01 L202.33,31.51  '/>	<g transform="translate(202.33,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.8</text>
+	</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+	<path stroke='black'  d='M256.03,558.00 L256.03,547.50 M256.03,21.01 L256.03,31.51  '/>	<g transform="translate(256.03,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.6</text>
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+</g>
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+	<path stroke='black'  d='M309.73,558.00 L309.73,547.50 M309.73,21.01 L309.73,31.51  '/>	<g transform="translate(309.73,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.4</text>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M363.43,558.00 L363.43,547.50 M363.43,21.01 L363.43,31.51  '/>	<g transform="translate(363.43,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.2</text>
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+		<text> 0</text>
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+	<path stroke='black'  d='M470.82,558.00 L470.82,547.50 M470.82,21.01 L470.82,31.51  '/>	<g transform="translate(470.82,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0.2</text>
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+	<path stroke='black'  d='M524.52,558.00 L524.52,547.50 M524.52,21.01 L524.52,31.51  '/>	<g transform="translate(524.52,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0.4</text>
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+		<text> 0.6</text>
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+		<text> 0.8</text>
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+		<text> 1</text>
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+</svg>
+

guide/guide-6.svg

@@ -0,0 +1,490 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="800" height="600"
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 5.4 patchlevel 1 </desc>
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+<g id="gnuplot_canvas">
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,558.00 L685.62,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,558.00 L159.13,558.00 M685.62,558.00 L675.12,558.00  '/>	<g transform="translate(138.84,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,504.30 L685.62,504.30  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,504.30 L159.13,504.30 M685.62,504.30 L675.12,504.30  '/>	<g transform="translate(138.84,508.85)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,450.60 L685.62,450.60  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,450.60 L159.13,450.60 M685.62,450.60 L675.12,450.60  '/>	<g transform="translate(138.84,455.15)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,396.90 L685.62,396.90  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,396.90 L159.13,396.90 M685.62,396.90 L675.12,396.90  '/>	<g transform="translate(138.84,401.45)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,343.20 L685.62,343.20  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,343.20 L159.13,343.20 M685.62,343.20 L675.12,343.20  '/>	<g transform="translate(138.84,347.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,289.50 L685.62,289.50  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,289.50 L159.13,289.50 M685.62,289.50 L675.12,289.50  '/>	<g transform="translate(138.84,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,235.81 L685.62,235.81  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,235.81 L159.13,235.81 M685.62,235.81 L675.12,235.81  '/>	<g transform="translate(138.84,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,182.11 L685.62,182.11  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,182.11 L159.13,182.11 M685.62,182.11 L675.12,182.11  '/>	<g transform="translate(138.84,186.66)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M148.63,128.41 L685.62,128.41  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,128.41 L159.13,128.41 M685.62,128.41 L675.12,128.41  '/>	<g transform="translate(138.84,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.6</text>
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M148.63,74.71 L159.13,74.71 M685.62,74.71 L675.12,74.71  '/>	<g transform="translate(138.84,79.26)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.8</text>
+	</g>
+</g>
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+</g>
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+	<path stroke='black'  d='M148.63,21.01 L159.13,21.01 M685.62,21.01 L675.12,21.01  '/>	<g transform="translate(138.84,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
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+	<path stroke='black'  d='M148.63,558.00 L148.63,547.50 M148.63,21.01 L148.63,31.51  '/>	<g transform="translate(148.63,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-1</text>
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+	<path stroke='black'  d='M202.33,558.00 L202.33,547.50 M202.33,21.01 L202.33,31.51  '/>	<g transform="translate(202.33,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.8</text>
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+		<text>-0.6</text>
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+	<path stroke='black'  d='M309.73,558.00 L309.73,547.50 M309.73,21.01 L309.73,31.51  '/>	<g transform="translate(309.73,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.4</text>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M363.43,558.00 L363.43,547.50 M363.43,21.01 L363.43,31.51  '/>	<g transform="translate(363.43,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.2</text>
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+		<text> 0</text>
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+	<path stroke='black'  d='M470.82,558.00 L470.82,547.50 M470.82,21.01 L470.82,31.51  '/>	<g transform="translate(470.82,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0.2</text>
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+	<path stroke='black'  d='M524.52,558.00 L524.52,547.50 M524.52,21.01 L524.52,31.51  '/>	<g transform="translate(524.52,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0.4</text>
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+		<text> 0.6</text>
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+		<text> 0.8</text>
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+

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+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<svg 
+ width="800" height="600"
+ viewBox="0 0 800 600"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
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+<title>Gnuplot</title>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M98.10,558.00 L635.10,558.00  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,558.00 L108.60,558.00 M635.10,558.00 L624.60,558.00  '/>	<g transform="translate(88.31,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-1</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M98.10,504.30 L635.10,504.30  '/></g>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,504.30 L108.60,504.30 M635.10,504.30 L624.60,504.30  '/>	<g transform="translate(88.31,508.85)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,450.60 L108.60,450.60 M635.10,450.60 L624.60,450.60  '/>	<g transform="translate(88.31,455.15)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.6</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M98.10,396.90 L635.10,396.90  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,396.90 L108.60,396.90 M635.10,396.90 L624.60,396.90  '/>	<g transform="translate(88.31,401.45)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.4</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M98.10,343.20 L635.10,343.20  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,343.20 L108.60,343.20 M635.10,343.20 L624.60,343.20  '/>	<g transform="translate(88.31,347.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M98.10,289.50 L635.10,289.50  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,289.50 L108.60,289.50 M635.10,289.50 L624.60,289.50  '/>	<g transform="translate(88.31,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M98.10,235.81 L635.10,235.81  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,235.81 L108.60,235.81 M635.10,235.81 L624.60,235.81  '/>	<g transform="translate(88.31,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.2</text>
+	</g>
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,182.11 L108.60,182.11 M635.10,182.11 L624.60,182.11  '/>	<g transform="translate(88.31,186.66)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.4</text>
+	</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M98.10,128.41 L635.10,128.41  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,128.41 L108.60,128.41 M635.10,128.41 L624.60,128.41  '/>	<g transform="translate(88.31,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.6</text>
+	</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M98.10,74.71 L635.10,74.71  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,74.71 L108.60,74.71 M635.10,74.71 L624.60,74.71  '/>	<g transform="translate(88.31,79.26)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.8</text>
+	</g>
+</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M98.10,21.01 L635.10,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,21.01 L108.60,21.01 M635.10,21.01 L624.60,21.01  '/>	<g transform="translate(88.31,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
+</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='gray' stroke-dasharray='2,4' class="gridline"  d='M98.10,558.00 L98.10,21.01  '/></g>
+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,558.00 L98.10,547.50 M98.10,21.01 L98.10,31.51  '/>	<g transform="translate(98.10,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-1</text>
+	</g>
+</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M151.80,558.00 L151.80,547.50 M151.80,21.01 L151.80,31.51  '/>	<g transform="translate(151.80,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.8</text>
+	</g>
+</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M205.50,558.00 L205.50,547.50 M205.50,21.01 L205.50,31.51  '/>	<g transform="translate(205.50,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.6</text>
+	</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M259.20,558.00 L259.20,547.50 M259.20,21.01 L259.20,31.51  '/>	<g transform="translate(259.20,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.4</text>
+	</g>
+</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M312.90,558.00 L312.90,547.50 M312.90,21.01 L312.90,31.51  '/>	<g transform="translate(312.90,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M366.60,558.00 L366.60,547.50 M366.60,21.01 L366.60,31.51  '/>	<g transform="translate(366.60,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0</text>
+	</g>
+</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M420.30,558.00 L420.30,547.50 M420.30,21.01 L420.30,31.51  '/>	<g transform="translate(420.30,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0.2</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M474.00,558.00 L474.00,547.50 M474.00,21.01 L474.00,31.51  '/>	<g transform="translate(474.00,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0.4</text>
+	</g>
+</g>
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+</g>
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M527.70,558.00 L527.70,547.50 M527.70,21.01 L527.70,31.51  '/>	<g transform="translate(527.70,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0.6</text>
+	</g>
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+	<path stroke='black'  d='M581.40,558.00 L581.40,547.50 M581.40,21.01 L581.40,31.51  '/>	<g transform="translate(581.40,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0.8</text>
+	</g>
+</g>
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+</g>
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+</g>
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+	<path stroke='black'  d='M635.10,558.00 L635.10,547.50 M635.10,21.01 L635.10,31.51  '/>	<g transform="translate(635.10,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 1</text>
+	</g>
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+</g>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+	<g id="gnuplot_plot_1" ><title>gnuplot_plot_1</title>
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+	<g transform="translate(556.07,46.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>circle</text>
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+	<path stroke='black'  d='M648.52,558.00 L675.37,558.00 L675.37,21.01 L648.52,21.01 L648.52,558.00 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M675.37,558.00 L664.87,558.00  '/>	<g transform="translate(685.16,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,558.00 L659.02,558.00 M675.37,490.88 L664.87,490.88  '/>	<g transform="translate(685.16,495.43)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 50</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,490.88 L659.02,490.88 M675.37,423.76 L664.87,423.76  '/>	<g transform="translate(685.16,428.31)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 100</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,423.76 L659.02,423.76 M675.37,356.63 L664.87,356.63  '/>	<g transform="translate(685.16,361.18)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 150</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,356.63 L659.02,356.63 M675.37,289.51 L664.87,289.51  '/>	<g transform="translate(685.16,294.06)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 200</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,289.51 L659.02,289.51 M675.37,222.39 L664.87,222.39  '/>	<g transform="translate(685.16,226.94)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 250</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,222.39 L659.02,222.39 M675.37,155.26 L664.87,155.26  '/>	<g transform="translate(685.16,159.81)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 300</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,155.26 L659.02,155.26 M675.37,88.14 L664.87,88.14  '/>	<g transform="translate(685.16,92.69)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 350</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,88.14 L659.02,88.14 M675.37,21.01 L664.87,21.01  '/>	<g transform="translate(685.16,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 400</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,21.01 L659.02,21.01  '/></g>
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+</g>
+</svg>
+

guide/guide-9.svg

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+	<path stroke='black'  d='M98.10,343.20 L108.60,343.20 M635.10,343.20 L624.60,343.20  '/>	<g transform="translate(88.31,347.75)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>-0.2</text>
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+	<path stroke='black'  d='M98.10,289.50 L108.60,289.50 M635.10,289.50 L624.60,289.50  '/>	<g transform="translate(88.31,294.05)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0</text>
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+	<path stroke='black'  d='M98.10,235.81 L108.60,235.81 M635.10,235.81 L624.60,235.81  '/>	<g transform="translate(88.31,240.36)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.2</text>
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,182.11 L108.60,182.11 M635.10,182.11 L624.60,182.11  '/>	<g transform="translate(88.31,186.66)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.4</text>
+	</g>
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,128.41 L108.60,128.41 M635.10,128.41 L624.60,128.41  '/>	<g transform="translate(88.31,132.96)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.6</text>
+	</g>
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+</g>
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,74.71 L108.60,74.71 M635.10,74.71 L624.60,74.71  '/>	<g transform="translate(88.31,79.26)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 0.8</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,21.01 L108.60,21.01 M635.10,21.01 L624.60,21.01  '/>	<g transform="translate(88.31,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text> 1</text>
+	</g>
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+</g>
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+</g>
+<g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M98.10,558.00 L98.10,547.50 M98.10,21.01 L98.10,31.51  '/>	<g transform="translate(98.10,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-1</text>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M151.80,558.00 L151.80,547.50 M151.80,21.01 L151.80,31.51  '/>	<g transform="translate(151.80,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.8</text>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M205.50,558.00 L205.50,547.50 M205.50,21.01 L205.50,31.51  '/>	<g transform="translate(205.50,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.6</text>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M259.20,558.00 L259.20,547.50 M259.20,21.01 L259.20,31.51  '/>	<g transform="translate(259.20,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.4</text>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M312.90,558.00 L312.90,547.50 M312.90,21.01 L312.90,31.51  '/>	<g transform="translate(312.90,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text>-0.2</text>
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+</g>
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+	<path stroke='black'  d='M366.60,558.00 L366.60,547.50 M366.60,21.01 L366.60,31.51  '/>	<g transform="translate(366.60,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0</text>
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+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M420.30,558.00 L420.30,547.50 M420.30,21.01 L420.30,31.51  '/>	<g transform="translate(420.30,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0.2</text>
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+</g>
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+	<path stroke='black'  d='M474.00,558.00 L474.00,547.50 M474.00,21.01 L474.00,31.51  '/>	<g transform="translate(474.00,583.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="middle">
+		<text> 0.4</text>
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+</g>
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+		<text> 0.6</text>
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+		<text> 0.8</text>
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+		<text> 1</text>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+	<g id="gnuplot_plot_1" ><title>gnuplot_plot_1</title>
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+	<g transform="translate(556.07,46.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="end">
+		<text>circle</text>
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+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,558.00 L675.37,558.00 L675.37,21.01 L648.52,21.01 L648.52,558.00 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M675.37,558.00 L664.87,558.00  '/>	<g transform="translate(685.16,562.55)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 0</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,558.00 L659.02,558.00 M675.37,490.88 L664.87,490.88  '/>	<g transform="translate(685.16,495.43)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 50</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,490.88 L659.02,490.88 M675.37,423.76 L664.87,423.76  '/>	<g transform="translate(685.16,428.31)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 100</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,423.76 L659.02,423.76 M675.37,356.63 L664.87,356.63  '/>	<g transform="translate(685.16,361.18)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 150</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,356.63 L659.02,356.63 M675.37,289.51 L664.87,289.51  '/>	<g transform="translate(685.16,294.06)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 200</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,289.51 L659.02,289.51 M675.37,222.39 L664.87,222.39  '/>	<g transform="translate(685.16,226.94)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 250</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,222.39 L659.02,222.39 M675.37,155.26 L664.87,155.26  '/>	<g transform="translate(685.16,159.81)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 300</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,155.26 L659.02,155.26 M675.37,88.14 L664.87,88.14  '/>	<g transform="translate(685.16,92.69)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 350</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,88.14 L659.02,88.14 M675.37,21.01 L664.87,21.01  '/>	<g transform="translate(685.16,25.56)" stroke="none" fill="black" font-family="Arial" font-size="14.00"  text-anchor="start">
+		<text> 400</text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M648.52,21.01 L659.02,21.01  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+</g>
+</svg>
+

guide/guide.org

@@ -0,0 +1,698 @@
+This is a tutorial and gallery demonstrating =feedgnuplot= usage. The
+[[https://github.com/dkogan/feedgnuplot/][documentation]] provides a complete reference, and [[https://github.com/dkogan/feedgnuplot/#recipes][application-specific usage
+examples]]. The capabilities of gnuplot itself are demonstrated at [[http://www.gnuplot.info/demo/][its demo page]].
+
+* Tutorial
+First, a trivial plot: let's plot a sinusoid
+
+#+BEGIN_SRC sh :results file link :exports both
+seq 100 | \
+perl -nE 'say sin($_/5.)' | \
+feedgnuplot
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-1.svg]]
+
+This was a trivial plot, and was trivially-easy to make: we gave the tool one
+column of data with no specific instructions, and we got a plot.
+
+The interpretation of the input data is controlled by two arguments: =--domain=
+and =--dataid=. Here we passed neither, so each line of input is interpreted as
+=y0 y1 y2...= with sequential integers (0, 1, 2, ...) used for the =x=
+coordinate. Let's pass in more than one =y= per line to plot a sine and a cosine
+together:
+
+#+BEGIN_SRC sh :results file link :exports both
+seq 100 | \
+perl -nE '$th = $_/100.*2.*3.14159;
+          $s  = sin($th);
+          $c  = cos($th);
+          say "$c $s"' | \
+feedgnuplot --lines --points
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-2.svg]]
+
+Here I also passed =--lines --points= to make more legible plots.
+
+Note that, the lines may have different numbers of points. To plot the cosine
+from every line, but the sine from every 5th line:
+
+#+BEGIN_SRC sh :results file link :exports both
+seq 100 | \
+perl -nE '$th = $_/100.*2.*3.14159;
+          $s  = sin($th);
+          $c  = cos($th);
+          if($.%5) { say "$c";    }
+          else     { say "$c $s"; }' | \
+feedgnuplot --lines --points
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-3.svg]]
+
+Each =y= is referred to as a "dataset" or "curve" in the code and documentation.
+
+With =--domain=, the =x= values are read from the data instead of simply
+encoding line numbers: each line of input is interpreted as =x y0 y1 y2...=.
+Let's plot =sin(theta)= vs. =cos(theta)=, i.e. a circle:
+
+#+BEGIN_SRC sh :results file link :exports both
+seq 100 | \
+perl -nE '$th = $_/100.*2.*3.14159;
+          $s  = sin($th);
+          $c  = cos($th);
+          say "$c $s"' | \
+feedgnuplot --lines --points --domain
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-4.svg]]
+
+Hmmm. We asked for a circle, but this looks more like an ellipse. Why? Because
+gnuplot is autoscaling the =x= and =y= axes independently to fill the plot window.
+We can scale the axes /together/ by passing =--square=, and we get a circle:
+
+#+BEGIN_SRC sh :results file link :exports both
+seq 100 | \
+perl -nE '$th = $_/100.*2.*3.14159;
+          $s  = sin($th);
+          $c  = cos($th);
+          say "$c $s"' | \
+feedgnuplot --lines --points --domain --square
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-5.svg]]
+
+Again, we can have multiple =y= in each line, and each line may have a different
+number of =y=. Let's plot a circle /and/ an ellipse, sampled more coarsely:
+#+BEGIN_SRC sh :results file link :exports both
+seq 100 | \
+perl -nE '$th = $_/100.*2.*3.14159;
+          $s  = sin($th);
+          $c  = cos($th);
+          if($.%5) { say "$c $s"; }
+          else     { $s2 = $s/2;
+                     say "$c $s $s2"; }' | \
+feedgnuplot --lines --points --domain --square
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-6.svg]]
+
+We just plotted something where each point is represented by 2 values: =x= and
+=y=. When making 2D plots, this is the most common case, but others are
+possible. What if we want to color-code our points using another column of data?
+We feed in the new column, and we tell =feedgnuplot= that we now have /3/ values
+per point (the tuple size), and we tell =gnuplot= how we want this plot to be
+made. Color-coding by the angle, in degrees:
+
+#+BEGIN_SRC sh :results file link :exports both
+seq 100 | \
+perl -nE '$thdeg = $_/100.*360.;
+          $th = $_/100.*2.*3.14159;
+          $s  = sin($th);
+          $c  = cos($th);
+          say "$c $s $thdeg";' | \
+feedgnuplot --domain --square \
+            --tuplesizeall 3  \
+            --styleall 'with linespoints palette'
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-7.svg]]
+
+Here we said that /all/ the datasets have 3 values per point. And that /all/ the
+datasets should be plotted with that particular style. The styles are strings
+that are passed on to =gnuplot= verbatim. So the full power of =gnuplot= is
+available, and there's nothing =feedgnuplot=-specific to learn. =gnuplot= has
+plenty of documentation about styling details.
+
+The above =--styleall= argument may be identically replaced with a shorthand:
+
+#+BEGIN_EXAMPLE
+--with 'points palette'
+#+END_EXAMPLE
+
+Note that the =--lines --points= specify the /default/ style only, so these
+options do nothing here, and if we want lines /and/ points, we ask for those in
+the style:
+
+#+BEGIN_EXAMPLE
+--with 'linespoints palette'
+#+END_EXAMPLE
+
+The styles and tuple sizes can be different for each dataset. For instance, to
+apply the colors only to the circle (dataset 0), leaving the ellipse (dataset 1)
+with the default tuple size and style:
+
+#+BEGIN_SRC sh :results file link :exports both
+seq 100 | \
+perl -nE '$thdeg = $_/100.*360.;
+          $th = $_/100.*2.*3.14159;
+          $s=sin($th); $c=cos($th);
+          if($.%5) { say "$c $s $thdeg" }
+          else     { $s2 = $s/2;
+                     say "$c $s $thdeg $s2"; }' | \
+feedgnuplot --lines --points --domain --square \
+            --tuplesize 0 3   \
+            --style     0 'with points palette' \
+            --legend    0 'circle' \
+            --legend    1 'ellipse'
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-8.svg]]
+
+Here we also asked for dataset labels to make it clear to the viewer what's
+what.
+
+The other significant option involved in the interpretation of data is
+=--dataid=. This labels each dataset in the data, so instead of referring to
+dataset =0=, you could refer to dataset =circle=. With =--domain --dataid=, each
+line of input is interpreted as =x id0 y0 id1 y1...=, with the number of =y= in
+each dataset reflecting the tuple size. Naturally, =--dataid= without =--domain=
+is identical, except without the leading =x=. The previous plot can be
+reproduced with =--dataid=:
+
+#+BEGIN_SRC sh :results file link :exports both
+seq 100 | \
+perl -nE '$thdeg = $_/100.*360.;
+          $th = $_/100.*2.*3.14159;
+          $s=sin($th); $c=cos($th);
+          if($.%5) { say "$c circle $s $thdeg" }
+          else     { $s2 = $s/2;
+                     say "$c circle $s $thdeg ellipse $s2"; }' | \
+feedgnuplot --lines --points --domain --dataid --square \
+            --tuplesize circle 3   \
+            --style     circle 'with points palette' \
+            --autolegend
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-9.svg]]
+
+Note that instead of labelling the datasets explicitly, we passed =--autolegend=
+to use the ID as the label for each dataset. This works without =--dataid= also,
+but the IDs are then the unhelpful sequential integers.
+
+Instead of identifying columns using explicit IDs inside the data stream (as
+with =--dataid=), it's possible to read [[https://www.github.com/dkogan/vnlog][vnlog]] data, which contains a single
+header line identifying the columns. For instance:
+
+#+BEGIN_SRC sh :results file link :exports both
+( echo '# th';
+  seq 100 | perl -nE 'say $_/100.*2.*3.14159;' ) | \
+vnl-filter -p 'c=cos(th),s=sin(th),th_deg=th*180./3.14159,s2=sin(th)/2' | \
+feedgnuplot --lines --points --domain --vnl --square \
+            --tuplesize s 3   \
+            --style     s 'with points palette' \
+            --legend s  circle \
+            --legend s2 ellipse
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-10.svg]]
+
+* Gallery
+This is a good overview of the syntax and of the data interpretation. Let's demo
+some fancy plots to serve as a cookbook.
+
+Since the actual plotting is handled by =gnuplot=, its documentation and [[http://www.gnuplot.info/demo/][demos]]
+are the primary reference on how to do stuff.
+
+** Line, point sizes, thicknesses, styles
+Most often, we're plotting lines or points. The most common styling keywords
+are:
+
+- =pt= (or equivalently =pointtype=)
+- =ps= (or equivalently =pointsize=)
+- =lt= (or equivalently =linetype=)
+- =lw= (or equivalently =linewidth=)
+- =lc= (or equivalently =linecolor=)
+- =dt= (or equivalently =dashtype=)
+
+For details about these and all other styles, see the =gnuplot= documentation.
+For instance, the first little bit of the docs about the different line widths:
+
+#+BEGIN_SRC sh :results output verbatim :exports both
+gnuplot -e 'help linewidth' | head -n 20
+#+END_SRC
+
+#+RESULTS:
+#+begin_example
+ Each terminal has a default set of line and point types, which can be seen
+ by using the command `test`.  `set style line` defines a set of line types
+ and widths and point types and sizes so that you can refer to them later by
+ an index instead of repeating all the information at each invocation.
+
+ Syntax:
+       set style line <index> default
+       set style line <index> {{linetype  | lt} <line_type> | <colorspec>}
+                              {{linecolor | lc} <colorspec>}
+                              {{linewidth | lw} <line_width>}
+                              {{pointtype | pt} <point_type>}
+                              {{pointsize | ps} <point_size>}
+                              {{pointinterval | pi} <interval>}
+                              {{pointnumber | pn} <max_symbols>}
+                              {{dashtype | dt} <dashtype>}
+                              {palette}
+       unset style line
+       show style line
+
+ `default` sets all line style parameters to those of the linetype with
+#+end_example
+
+gnuplot has a =test= command, which produces a demo of the various available
+styles. This documentation uses the =svg= terminal (what gnuplot calls a
+backend). So for the =svg= terminal, the various styles look like this:
+
+#+begin_src gnuplot :results file link :exports both :file gnuplot-terminal-test.svg
+test
+#+end_src
+
+#+RESULTS:
+[[file:gnuplot-terminal-test.svg]]
+
+So for instance if you plot =--with 'linespoints pt 4 dt 2 lc 7'= you'll get a
+red dashed line with square points. By default you'd be using one of the
+interactive graphical terminals (=x11= or =qt=), which would have largely
+similar styling.
+
+Let's make a plot with some variable colors and point sizes:
+
+#+BEGIN_SRC sh :results file link :exports both
+seq -10 10 | \
+perl -nE '$, = " ";
+          say "parabola", $_*$_, abs($_)/2, $_*50;
+          say "line",     $_*3. + 30.;' | \
+feedgnuplot --dataid \
+            --tuplesize parabola 4   \
+            --style     parabola 'with points pointtype 7 pointsize variable palette' \
+            --style     line     'with lines lw 3 lc "red" dashtype 2' \
+            --set 'cbrange [-600:600]'
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-11.svg]]
+
+Here we used =--set= to set the range of the colorbar. =--set= (and =--unset=)
+map to the gnuplot =set= (and =--unset=) command.
+
+** Error bars
+As before, the =gnuplot= documentation has the styling details:
+
+#+BEGIN_SRC sh :results none :exports code
+gnuplot -e 'help xerrorbars'
+gnuplot -e 'help yerrorbars'
+gnuplot -e 'help xyerrorbars'
+#+END_SRC
+
+For brevity, I'm not including the contents of those help pages here. These tell
+us how to specify errorbars: how many columns to pass in, what they mean, etc.
+Example:
+
+#+BEGIN_SRC sh :results file link :exports both
+seq -10 10 | \
+perl -nE '$, = " ";
+          chomp;
+          $x = $_;
+          $y = $x*$x * 10 + 20;
+          say $x+1, "parabola", $y;
+          say $x+1, "parabola_symmetric_xyerrorbars", $y, $x*$x/80, $x*$x/4;
+          say $x, "parabola_unsymmetric_xyerrorbars", $y, $x-$x*$x/80, $x+$x*$x/40, $y-$x*$x/4, $y+$x*$x/8;
+          say $x, "line_unsymmetric_yerrorbars", $x*20+500, 40;' | \
+feedgnuplot --domain --dataid \
+            --tuplesize parabola 2   \
+            --style     parabola "with lines" \
+            --tuplesize parabola_symmetric_xyerrorbars 4   \
+            --style     parabola_symmetric_xyerrorbars "with xyerrorbars" \
+            --legend    parabola_symmetric_xyerrorbars "using the 'x y xdelta ydelta' style" \
+            --tuplesize parabola_unsymmetric_xyerrorbars 6   \
+            --style     parabola_unsymmetric_xyerrorbars "with xyerrorbars" \
+            --legend    parabola_unsymmetric_xyerrorbars "using the 'x y xlow xhigh ylow yhigh' style" \
+            --tuplesize line_unsymmetric_yerrorbars 3   \
+            --style     line_unsymmetric_yerrorbars "with yerrorbars" \
+            --legend    line_unsymmetric_yerrorbars "using the 'x y ydelta' style" \
+            --xmin -10 --xmax 10 \
+            --set 'key box opaque'
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-12.svg]]
+
+** Polar coordinates
+See
+
+#+BEGIN_SRC sh :results none :exports code
+gnuplot -e 'help polar'
+#+END_SRC
+
+Let's plot a simple =rho = theta= spiral:
+
+#+BEGIN_SRC sh :results file link :exports both
+seq 100 | \
+perl -nE '$x = $_/10; \
+          say "$x $x"' | \
+feedgnuplot --domain       \
+            --with 'lines' \
+            --set 'polar'  \
+            --square
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-13.svg]]
+
+** Timestamps
+=feedgnuplot= can interpret data given as timestamps in an arbitrary format
+parseable with =strftime()=. Unlike everything else in =feedgnuplot=, these
+timestamps /may/ contain whitespace. For instance:
+
+#+BEGIN_SRC sh :results file link :exports both
+seq 5 | gawk '{print strftime("%d %b %Y %T",1382249107+$1,1),$1}' | \
+feedgnuplot --domain \
+            --lines --points \
+            --timefmt '%d %b %Y %H:%M:%S' \
+            --xmin '20 Oct 2013 06:05:00' \
+            --xmax '20 Oct 2013 06:05:20'
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-14.svg]]
+
+=--timefmt= controls how to parse the /input/. The formatting of the /output/ is
+auto-selected by gnuplot, and sometimes we want to control it. To show the hour
+and minute and seconds on the x axis:
+
+#+BEGIN_SRC sh :results file link :exports both
+seq 5 | gawk '{print strftime("%d %b %Y %T",1382249107+$1,1),$1}' | \
+feedgnuplot --domain \
+            --lines --points \
+            --timefmt '%d %b %Y %H:%M:%S' \
+            --xmin '20 Oct 2013 06:05:00' \
+            --xmax '20 Oct 2013 06:05:20' \
+            --set 'format x "%H:%M:%S"'
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-15.svg]]
+
+** Labels
+Docs:
+
+#+BEGIN_SRC sh :results none :exports code
+gnuplot -e 'help labels'
+gnuplot -e 'help set label'
+#+END_SRC
+
+Basic example:
+
+#+BEGIN_SRC sh :results file link :exports both
+echo \
+    "1 1 aaa
+     2 3 bbb
+     4 5 ccc" | \
+feedgnuplot --domain          \
+            --with 'labels'   \
+            --tuplesizeall 3  \
+            --xmin 0 --xmax 5 \
+            --ymin 0 --ymax 6 \
+            --unset grid
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-16.svg]]
+
+More complex example (varied orientations and colors):
+
+#+BEGIN_SRC sh :results file link :exports both
+echo \
+    "1 1 aaa 0  10
+     2 3 bbb 30 18
+     4 5 ccc 90 20" | \
+feedgnuplot --domain          \
+            --with 'labels rotate variable textcolor palette' \
+            --tuplesizeall 5  \
+            --xmin 0 --xmax 5 \
+            --ymin 0 --ymax 6 \
+            --unset grid
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-17.svg]]
+
+** 3D plots
+We can plot in 3D by passing =--3d=. When plotting interactively, you can use
+the mouse to rotate the plot, and look at it from different directions.
+Otherwise, the viewing angle can be set with =--set 'view ...'=. See
+
+#+BEGIN_SRC sh :results none :exports code
+gnuplot -e 'help set view'
+#+END_SRC
+
+Unlike 2D plots, 3D plots have a 2-dimensional domain, and =--domain= is
+/required/. So each line is interpreted =x y z0 z1 z2...=.
+
+A double-helix with variable color and variable pointsize
+
+#+BEGIN_SRC sh :results file link :exports both
+seq 200 | \
+perl -nE '$, = " ";
+          $th = $_/10;
+          $z  = $_/40;
+          $c  = cos($th);
+          $s  = sin($th);
+          $size = 0.5 + abs($c);
+          $color = $z;
+          say  $c,  $s, 0, $z, $size, $color;
+          say -$c, -$s, 1, $z, $size, $color;' | \
+feedgnuplot --domain --dataid --3d \
+            --with 'points pointsize variable pointtype 7 palette' \
+            --tuplesizeall 5 \
+            --title "Double helix" \
+            --squarexy
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-18.svg]]
+
+** Histograms
+=gnuplot= (and =feedgnuplot=) has support for histograms. So we can give it
+data, and have it bin it for us. Pre-sorting the data is unnecessary. Let's look
+at the central limit theorem: we look at the distribution of sums of 10 uniform
+samples in [-1,1]: it should be normal-ish. And let's draw the expected perfect
+PDF on top (as an equation, evaluated by =gnuplot=).
+
+#+BEGIN_SRC sh :results file link :exports both
+N=20000;
+Nsum=10;
+binwidth=.1;
+seq $N | \
+perl -nE '$Nsum = '$Nsum';
+          $var  = '$Nsum' / 3.;
+          $s = 0; for $i (1..$Nsum) { $s += rand()*2-1; }
+          say $s/sqrt($var);' | \
+feedgnuplot --histo 0 --binwidth $binwidth \
+            --equation-above "($N * sqrt(2.*pi) * erf($binwidth/(2.*sqrt(2.)))) * \
+                              exp(-(x*x)/(2.)) / \
+                              sqrt(2.*pi) title \"Limit gaussian\" with lines lw 2"
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-19.svg]]
+
+If we want multiple histograms drawn on top of one another, the styling should
+be adjusted so that they both remain visible. Let's vary the size of the sum,
+and look at the effects: bigger sums should be more gaussian-like:
+
+#+BEGIN_SRC sh :results file link :exports both
+N=20000;
+binwidth=.1;
+for Nsum in 1 2 3; do
+  seq $N | \
+  perl -nE '$, = " ";
+            $Nsum = '$Nsum';
+            $var  = '$Nsum' / 3.;
+            $s = 0; for $i (1..$Nsum) { $s += rand()*2-1; }
+            say $Nsum,$s/sqrt($var);';
+done | \
+feedgnuplot --dataid --histo 1,2,3 --binwidth $binwidth \
+            --autolegend \
+            --style 1  'with boxes fill transparent solid 0.3 border lt -1' \
+            --style 2  'with boxes fill transparent pattern 4 border lt -1' \
+            --style 3  'with boxes fill transparent pattern 5 border lt -1' \
+            --equation-above "($N * sqrt(2.*pi) * erf($binwidth/(2.*sqrt(2.)))) * \
+                              exp(-(x*x)/(2.)) / \
+                              sqrt(2.*pi) title \"Limit gaussian\" with lines lw 2"
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-20.svg]]
+
+** Time-based histograms
+It is possible to combine time data with histograms. For instance, let's say we
+monitored something, and came up with a dataset that contains timestamps when
+some event occurred. Let's make a histogram of this data to get a larger sense
+of when the issue happened:
+
+#+BEGIN_SRC sh :results file link :exports both
+cat <<EOF | \
+feedgnuplot --timefmt '%Y-%m-%d--%H:%M:%S' --histogram 0 --binwidth 120 \
+            --set 'format x "%H:%M:%S"'
+2021-07-21--17:33:22
+2021-07-21--17:33:23
+2021-07-21--17:33:28
+2021-07-21--17:37:13
+2021-07-21--17:39:01
+2021-07-21--17:44:17
+2021-07-21--17:44:22
+2021-07-21--17:44:37
+2021-07-21--17:44:44
+2021-07-21--17:44:49
+2021-07-21--17:53:12
+2021-07-21--17:53:57
+EOF
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-21.svg]]
+
+** Labeled bar charts
+=feedgnuplot= supports bar charts to be drawn with labels appearing in the data.
+These aren't "histograms", where gnuplot bins the data for us, but rather the
+data is given to us, ready to plot. We pass =--xticlabels= to indicate that the
+x-axis tic labels come from the data. This changes the interpretation of the
+input: with =--domain=, each line begins with =x label ....=. Without
+=--domain=, each line begins with =label ...=. Clearly, the labels may not
+contain whitespace. This does /not/ affect the tuple size.
+
+Basic example without =--domain=:
+
+#+BEGIN_SRC sh :results file link :exports both
+echo "# x label a b
+       5  aaa   2 1
+       6  bbb   3 2
+      10  ccc   5 4
+      11  ddd   2 1" | \
+vnl-filter -p label,a,b | \
+feedgnuplot --vnl \
+            --xticlabels \
+            --style a 'with boxes fill pattern 4 border lt -1' \
+            --style b 'with boxes fill pattern 5 border lt -1' \
+            --ymin 0 --unset grid
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-22.svg]]
+
+We can also pass =--domain= to read the =x= positions from the data also:
+
+#+BEGIN_SRC sh :results file link :exports both
+echo "# x label a b
+       5  aaa   2 1
+       6  bbb   3 2
+      10  ccc   5 4
+      11  ddd   2 1" | \
+feedgnuplot --vnl --domain \
+            --xticlabels \
+            --style a 'with boxes fill pattern 4 border lt -1' \
+            --style b 'with boxes fill pattern 5 border lt -1' \
+            --ymin 0 --unset grid
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-23.svg]]
+
+And we can use gnuplot's clustering capabilities:
+
+#+BEGIN_SRC sh :results file link :exports both
+echo "# x label a b
+       5  aaa   2 1
+       6  bbb   3 2
+      10  ccc   5 4
+      11  ddd   2 1" | \
+vnl-filter -p label,a,b | \
+feedgnuplot --vnl \
+            --xticlabels \
+            --set 'style data histogram' \
+            --set 'style histogram cluster gap 2' \
+            --set 'style fill solid border lt -1' \
+            --autolegend \
+            --ymin 0 --unset grid
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-24.svg]]
+
+Or we can vertically stack the bars in each cluster:
+
+#+BEGIN_SRC sh :results file link :exports both
+echo "# x label a b
+       5  aaa   2 1
+       6  bbb   3 2
+      10  ccc   5 4
+      11  ddd   2 1" | \
+vnl-filter -p label,a,b | \
+feedgnuplot --vnl \
+            --xticlabels \
+            --set 'style data histogram' \
+            --set 'style histogram rowstacked' \
+            --set 'boxwidth 0.8' \
+            --set 'style fill solid border lt -1' \
+            --autolegend \
+            --ymin 0 --unset grid
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-25.svg]]
+
+Using =--xticlabels= to plot bars is probably the most common usage, but
+=--xticlabels= means /only/ that we read the x-axis tic labels from the data, so
+we can plot anything. For instance:
+
+#+BEGIN_SRC sh :results file link :exports both
+echo "# x label a b
+       5  aaa   2 1
+       6  bbb   3 2
+      10  ccc   5 4
+      11  ddd   2 1" | \
+feedgnuplot --vnl --domain \
+            --xticlabels \
+            --tuplesizeall 3 \
+            --with 'points pt 7 ps 2 palette' \
+            --xmin 4 --xmax 12 \
+            --ymin 0 --ymax 6 \
+            --unset grid
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-26.svg]]
+
+** Vector fields
+Documentation in gnuplot available like this:
+
+#+BEGIN_SRC sh :results none :exports code
+gnuplot -e 'help vectors'
+#+END_SRC
+
+The docs say that in 2D we want 4 columns: =x, y, xdelta, ydelta= and in 3D we
+want 6 columns: =x, y, z, xdelta, ydelta, zdelta=. And we can have a variable
+arrowstyle. A vector field in 2D:
+
+#+BEGIN_SRC sh :results file link :exports both
+perl -E '$, = " ";
+     for $x (-5..5) { for $y (-5..5) {
+       $r = sqrt($x*$x + $y*$y);
+       say $x, $y, $y/sqrt($r+0.1)*0.5, -$x/sqrt($r+0.1)*0.5;
+     } }' | \
+feedgnuplot --domain \
+            --tuplesizeall 4 \
+            --with 'vectors filled head' \
+            --square
+#+END_SRC
+
+#+RESULTS:
+[[file:guide-27.svg]]

package_definitions/debian/changelog

@@ -1,111 +0,0 @@
-feedgnuplot (1.22) unstable; urgency=low
-
-  * removed --size option
-
- -- Dima Kogan <dima@secretsauce.net>  Mon, 03 Sep 2012 08:33:26 -0700
-
-feedgnuplot (1.21) unstable; urgency=low
-
-  * removed the POD from the script to its own file
-  * fixed regression to allow no given extracmds, histogram or y2
-    options
-
- -- Dima Kogan <dima@secretsauce.net>  Sun, 02 Sep 2012 23:52:21 -0700
-
-feedgnuplot (1.20) unstable; urgency=low
-
-  * no longer hardcoding 'x11' as the default terminal
-  * added histogram support
-  * generic terminals can now be requested
-  * --extracmds, --histogram, --y2 can now take comma-separated lists
-
- -- Dima Kogan <dima@secretsauce.net>  Fri, 31 Aug 2012 01:35:50 -0700
-
-feedgnuplot (1.19) unstable; urgency=low
-
-  * added --geometry option to specify plot dimensions
-
- -- Dima Kogan <dima@secretsauce.net>  Sat, 11 Feb 2012 21:04:42 -0800
-
-feedgnuplot (1.18) unstable; urgency=low
-
-  * data-ids can now include characters such as -. Any non-whitespace
-    works
-
- -- Dima Kogan <dima@secretsauce.net>  Tue, 27 Dec 2011 16:47:36 -0800
-
-feedgnuplot (1.17) unstable; urgency=low
-
-  [ Dima Kogan ]
-  * POD: removed -Winteractive, since this was apparently a mawk-ism
-  * added zsh and bash completions to the package
-
-  [ Hermann Schwarting ]
-  * add build dependency libtest-script-run-perl
-
- -- Dima Kogan <dima@secretsauce.net>  Sun, 20 Nov 2011 19:17:22 -0800
-
-feedgnuplot (1.16) unstable; urgency=low
-
-  * deb version parser now works for any package name
-  * Some POD fixes
-  * now building a native package
-
- -- Dima Kogan <dima@secretsauce.net>  Fri, 11 Nov 2011 00:10:18 -0800
-
-feedgnuplot (1.15-2) unstable; urgency=low
-
-  * added source format for the debianization
-  * added configuration to let git-buildpackage build this package
-  * standards bump to make lintian happier
-
- -- Dima Kogan <dima@secretsauce.net>  Sun, 23 Oct 2011 13:38:15 -0700
-
-feedgnuplot (1.15-1) unstable; urgency=low
-
-  * Renamed main script from feedGnuplot to feedgnuplot
-  * Slightly improved packaging, added instructions, etc
-
- -- Dima Kogan <dima@secretsauce.net>  Sun, 16 Oct 2011 11:58:15 -0700
-
-feedgnuplot (1.14-1) unstable; urgency=low
-
-  * New upstream release (added 'clear' command, documented commands)
-
- -- Dima Kogan <dima@secretsauce.net>  Sun, 22 May 2011 15:25:28 -0700
-
-feedgnuplot (1.13-1) unstable; urgency=low
-
-  * New upstream release (Better streaming plot control)
-
- -- Dima Kogan <dima@secretsauce.net>  Tue, 26 Apr 2011 14:24:09 -0700
-
-feedgnuplot (1.12-1) unstable; urgency=low
-
-  * New upstream release
-
- -- Dima Kogan <dima@secretsauce.net>  Tue, 19 Apr 2011 11:02:23 -0700
-
-feedgnuplot (1.11-1) unstable; urgency=low
-
-  * New upstream release
-
- -- Dima Kogan <dima@secretsauce.net>  Sat, 09 Apr 2011 14:10:21 -0700
-
-feedgnuplot (1.10-1) unstable; urgency=low
-
-  * New upstream release
-
- -- Dima Kogan <dima@secretsauce.net>  Sat, 09 Apr 2011 14:08:06 -0700
-
-feedgnuplot (1.09-1) unstable; urgency=low
-
-  * New upstream release
-
- -- Dima Kogan <dima@secretsauce.net>  Sun, 03 Apr 2011 17:23:38 -0700
-
-feedgnuplot (1.08-1) unstable; urgency=low
-
-  * Initial debianized release.
-
- -- Dima Kogan <dima@secretsauce.net>  Sun, 6 Feb 2011 15:58:22 -0800

package_definitions/debian/compat

@@ -1 +0,0 @@
-7

package_definitions/debian/control

@@ -1,20 +0,0 @@
-Source: feedgnuplot
-Section: science
-Priority: extra
-Build-Depends: debhelper (>= 7), libtest-script-run-perl, perl
-Maintainer: Dima Kogan <dima@secretsauce.net>
-Uploaders: Dima Kogan <dima@secretsauce.net>
-Standards-Version: 3.9.3
-Homepage: https://github.com/dkogan/feedgnuplot
-Vcs-Git: git://github.com/dkogan/feedgnuplot.git
-Vcs-Browser: https://github.com/dkogan/feedgnuplot
-DM-Upload-Allowed: yes
-
-Package: feedgnuplot
-Architecture: all
-Depends: ${misc:Depends}, ${perl:Depends}, gnuplot
-Description: Pipe-oriented frontend to Gnuplot
- Flexible, command-line-oriented frontend to Gnuplot. Creates plots from data
- coming in on STDIN or given in a filename passed on the commandline. Various
- data representations are supported, as is hardcopy output and streaming display
- of live data.

package_definitions/debian/copyright

@@ -1,24 +0,0 @@
-Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
-Source: https://github.com/dkogan/feedgnuplot
-Upstream-Contact: Dima Kogan, <dima@secretsauce.net>
-Upstream-Name: feedgnuplot
-
-Files: *
-Copyright: 2011, Dima Kogan <dima@secretsauce.net>
-License: Artistic or GPL-1+
-
-License: Artistic
- This program is free software; you can redistribute it and/or modify
- it under the terms of the Artistic License, which comes with Perl.
- .
- On Debian GNU/Linux systems, the complete text of the Artistic License
- can be found in `/usr/share/common-licenses/Artistic'.
-
-License: GPL-1+
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 1, or (at your option)
- any later version.
- .
- On Debian GNU/Linux systems, the complete text of version 1 of the
- General Public License can be found in `/usr/share/common-licenses/GPL-1'.

package_definitions/debian/feedgnuplot.install

@@ -1,2 +0,0 @@
-completions/bash/feedgnuplot /etc/bash_completion.d/
-completions/zsh/_feedgnuplot /usr/share/zsh/vendor-completions

package_definitions/debian/gbp.conf

@@ -1,5 +0,0 @@
-[DEFAULT]
-upstream-tree = branch
-upstream-branch = master
-debian-branch = master
-debian-tag = debian-%(version)s

package_definitions/debian/rules

@@ -1,4 +0,0 @@
-#!/usr/bin/make -f
-
-%:
-	dh $@

package_definitions/debian/source/format

@@ -1 +0,0 @@
-3.0 (native)

t/00-load.t

@@ -1,16 +0,0 @@
-#!/usr/bin/perl
-
-# require a threaded perl for my tests. This block lifted verbatim from the cpantesters wiki
-BEGIN {
-  use Config;
-  if (! $Config{'useithreads'}) {
-    print("1..0 # Skip: Perl not compiled with 'useithreads'\n");
-    exit(0);
-  }
-}
-
-use Test::More tests => 1;
-use Test::Script::Run;
-
-run_ok( 'feedgnuplot', ['--help'], 'feedgnuplot can run');
-

t/3d-spiral-with-bounds-labels-square-xy-aspect-ratio.ref

@@ -0,0 +1,32 @@
+                                           *AA*                                                     
+                                               AA*A                                                 
+                                                   A                                                
+                                       +            A*A                                             
+                                  40   +-+             A                                            
+                                       |                A                                           
+                                  30   +-+               A                                          
+                                       |  AAAAA*          A                                         
+                                 z20   +-+AA    AA        A                                         
+                                       |   AA*    A*A    AA                                         
+                                       |      AA*AAA*AA*A                                           
+                                  10   +-+             AAA                                          
+                                   0   |                  A                                         
+                                       +-+                A                                         
+                                       |                  A                                         
+                                       |    +-                                                      
+                                       |   +-++-+                                                   
+                                       | ++-+   +-+--                                               
+                                       |++-+        +-+-                                            
+                                       +----            +-+  1                                      
+                                         + ----5         ++-+8                                      
+                                           + + ----     +--+.4                                      
+                                               + 0 --- +--+2                                        
+                                                    1.--0+6                                         
+                                                     ++++                                           
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    

t/3d-spiral-with-bounds-labels.ref

@@ -0,0 +1,33 @@
+                                ***A****A****A****A***A**                                           
+                               *                         **A**                                      
+                                                              **A***A*                              
+                                                                      *A*                           
+                                                                         *A                         
+                                                                           *                        
+              +                                                            A                        
+         40   +-+              ***A***A****A****A***A**                    A                        
+              |             **A                        **A****A**         *A                        
+         30   +-+        A*A                                     *A**   *A                          
+              |          A                                           *AA                            
+        z20   +-+        AA*                                     **A*   *A*                         
+              |             A**A***A****A***A*****A***A****A***A*          A                        
+         10   |                                                            A                        
+              +-+                      -+----                             A                         
+          0   |                     -+--+  + ++----+--                                              
+              +-+               ---+--+           +   --++-----                                     
+              |              ---+--+                          ++---++---                            
+              |           -+--+-+                                       -++----+-      1            
+              |        -+--+  +                                                + ----+.8            
+              |    ---+--+                                                   -----+.6               
+              | ---+--+                                                   ---+.-+.4                 
+             -+-------------                                           ----+                        
+                 +  +   -1+ ---------                               ----+.2                         
+                         +   -0.5    ---------                  -----+.4                            
+                                     +   0.5  ---------      ---  -+.6                              
+                                                ++  1.5----+--+-+.8                                 
+                                                     +  +--++                                       
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    

t/basic-line-plot-to-piped-hardcopy.ref

@@ -0,0 +1,40 @@
+    5 +-----------------------------------------------------------------------------------------+   
+      |          +           +          +          +          +           +          +       ** |   
+      |                                                                                   ***   |   
+      |                                                                                 **      |   
+  4.5 |-+                                                                            ***      +-|   
+      |                                                                            **           |   
+      |                                                                          **             |   
+      |                                                                       ***               |   
+      |                                                                     **                  |   
+    4 |-+                                                                *A*                  +-|   
+      |                                                                **                       |   
+      |                                                             ***                         |   
+      |                                                           **                            |   
+  3.5 |-+                                                      ***                            +-|   
+      |                                                     ***                                 |   
+      |                                                   **                                    |   
+      |                                                ***                                      |   
+      |                                              **                                         |   
+    3 |-+                                         *A*                                         +-|   
+      |                                         **                                              |   
+      |                                      ***                                                |   
+      |                                    **                                                   |   
+  2.5 |-+                               ***                                                   +-|   
+      |                               **                                                        |   
+      |                             **                                                          |   
+      |                          ***                                                            |   
+      |                        **                                                               |   
+    2 |-+                   *A*                                                               +-|   
+      |                   **                                                                    |   
+      |                ***                                                                      |   
+      |              **                                                                         |   
+  1.5 |-+         ***                                                                         +-|   
+      |        ***                                                                              |   
+      |      **                                                                                 |   
+      |   ***                                                                                   |   
+      | **       +           +          +          +          +           +          +          |   
+    1 +-----------------------------------------------------------------------------------------+   
+      1         1.5          2         2.5         3         3.5          4         4.5         5   
+                                                                                                    
+Wrote output to |cat

t/basic-line-plot-with-bounds-square-aspect-ratio.ref

@@ -0,0 +1,30 @@
+    +-------------------------------------------------------------------------------------------+   
+  5 |-++           +            +           +           +           +            +           ++-|   
+    |                                                                                           |   
+    |                                                                                          *|   
+  4 |-+                                                                                     *A*-|   
+    |                                                                                     **    |   
+    |                                                                                   **      |   
+  3 |-+                                                                               *A      +-|   
+    |                                                                               **          |   
+    |                                                                             **            |   
+  2 |-+                                                                         *A            +-|   
+    |                                                                         **                |   
+    |                                                                       **                  |   
+  1 |-+                                                                    A                  +-|   
+    |                                                                                           |   
+    |                                                                                           |   
+  0 |-+                                                                                       +-|   
+    |  +           +            +           +           +           +            +           +  |   
+    +-------------------------------------------------------------------------------------------+   
+      -10         -8           -6          -4          -2           0            2           4      
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    

t/basic-line-plot-with-bounds.ref

@@ -0,0 +1,39 @@
+    +-------------------------------------------------------------------------------------------+   
+    |  +           +            +           +           +           +            +           +  |   
+    |                                                                                           |   
+  5 |-+                                                                                       +-|   
+    |                                                                                           |   
+    |                                                                                           |   
+    |                                                                                           |   
+    |                                                                                          *|   
+    |                                                                                         * |   
+  4 |-+                                                                                      A+-|   
+    |                                                                                       *   |   
+    |                                                                                      *    |   
+    |                                                                                     *     |   
+    |                                                                                    *      |   
+    |                                                                                   *       |   
+  3 |-+                                                                                A      +-|   
+    |                                                                                 *         |   
+    |                                                                                *          |   
+    |                                                                               *           |   
+    |                                                                              *            |   
+    |                                                                             *             |   
+  2 |-+                                                                          A            +-|   
+    |                                                                           *               |   
+    |                                                                          *                |   
+    |                                                                         *                 |   
+    |                                                                        *                  |   
+    |                                                                       *                   |   
+  1 |-+                                                                    A                  +-|   
+    |                                                                                           |   
+    |                                                                                           |   
+    |                                                                                           |   
+    |                                                                                           |   
+    |                                                                                           |   
+  0 |-+                                                                                       +-|   
+    |                                                                                           |   
+    |  +           +            +           +           +           +            +           +  |   
+    +-------------------------------------------------------------------------------------------+   
+      -10         -8           -6          -4          -2           0            2           4      
+                                                                                                    

t/basic-line-plot.ref

@@ -0,0 +1,39 @@
+    5 +-----------------------------------------------------------------------------------------+   
+      |          +           +          +          +          +           +          +       ** |   
+      |                                                                                   ***   |   
+      |                                                                                 **      |   
+  4.5 |-+                                                                            ***      +-|   
+      |                                                                            **           |   
+      |                                                                          **             |   
+      |                                                                       ***               |   
+      |                                                                     **                  |   
+    4 |-+                                                                *A*                  +-|   
+      |                                                                **                       |   
+      |                                                             ***                         |   
+      |                                                           **                            |   
+  3.5 |-+                                                      ***                            +-|   
+      |                                                     ***                                 |   
+      |                                                   **                                    |   
+      |                                                ***                                      |   
+      |                                              **                                         |   
+    3 |-+                                         *A*                                         +-|   
+      |                                         **                                              |   
+      |                                      ***                                                |   
+      |                                    **                                                   |   
+  2.5 |-+                               ***                                                   +-|   
+      |                               **                                                        |   
+      |                             **                                                          |   
+      |                          ***                                                            |   
+      |                        **                                                               |   
+    2 |-+                   *A*                                                               +-|   
+      |                   **                                                                    |   
+      |                ***                                                                      |   
+      |              **                                                                         |   
+  1.5 |-+         ***                                                                         +-|   
+      |        ***                                                                              |   
+      |      **                                                                                 |   
+      |   ***                                                                                   |   
+      | **       +           +          +          +          +           +          +          |   
+    1 +-----------------------------------------------------------------------------------------+   
+      1         1.5          2         2.5         3         3.5          4         4.5         5   
+                                                                                                    

t/basic-lines-only-plot.ref

@@ -0,0 +1,39 @@
+    5 +-----------------------------------------------------------------------------------------+   
+      |          +           +          +          +          +           +          +       ** |   
+      |                                                                                   ***   |   
+      |                                                                                 **      |   
+  4.5 |-+                                                                            ***      +-|   
+      |                                                                            **           |   
+      |                                                                          **             |   
+      |                                                                       ***               |   
+      |                                                                     **                  |   
+    4 |-+                                                                ***                  +-|   
+      |                                                                **                       |   
+      |                                                             ***                         |   
+      |                                                           **                            |   
+  3.5 |-+                                                      ***                            +-|   
+      |                                                     ***                                 |   
+      |                                                   **                                    |   
+      |                                                ***                                      |   
+      |                                              **                                         |   
+    3 |-+                                         ***                                         +-|   
+      |                                         **                                              |   
+      |                                      ***                                                |   
+      |                                    **                                                   |   
+  2.5 |-+                               ***                                                   +-|   
+      |                               **                                                        |   
+      |                             **                                                          |   
+      |                          ***                                                            |   
+      |                        **                                                               |   
+    2 |-+                   ***                                                               +-|   
+      |                   **                                                                    |   
+      |                ***                                                                      |   
+      |              **                                                                         |   
+  1.5 |-+         ***                                                                         +-|   
+      |        ***                                                                              |   
+      |      **                                                                                 |   
+      |   ***                                                                                   |   
+      | **       +           +          +          +          +           +          +          |   
+    1 +-----------------------------------------------------------------------------------------+   
+      1         1.5          2         2.5         3         3.5          4         4.5         5   
+                                                                                                    

t/basic-points-only-plot.ref

@@ -0,0 +1,39 @@
+    5 +-----------------------------------------------------------------------------------------+   
+      |          +           +          +          +          +           +          +          |   
+      |                                                                                         |   
+      |                                                                                         |   
+  4.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+    4 |-+                                                                 A                   +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+  3.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+    3 |-+                                          A                                          +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+  2.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+    2 |-+                    A                                                                +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+  1.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |          +           +          +          +          +           +          +          |   
+    1 +-----------------------------------------------------------------------------------------+   
+      1         1.5          2         2.5         3         3.5          4         4.5         5   
+                                                                                                    

t/basic-streaming-test-twice-as-fast.ref

@@ -0,0 +1,78 @@
+    1 +-----------------------------------------------------------------------------------------+   
+      |                      +                     +                     +                      |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+  0.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+    0 |-+                                          A                                          +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+ -0.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                      +                     +                     +                      |   
+   -1 +-----------------------------------------------------------------------------------------+   
+     0.99                  0.995                   1                   1.005                   1.01 
+                                                                                                    
+    2 +-----------------------------------------------------------------------------------------+   
+      |                      +                     +                      +                  ** |   
+      |                                                                                   ***   |   
+      |                                                                                 **      |   
+      |                                                                              ***        |   
+      |                                                                            **           |   
+      |                                                                         ***             |   
+      |                                                                       **                |   
+      |                                                                    ***                  |   
+  1.5 |-+                                                                **                   +-|   
+      |                                                               ***                       |   
+      |                                                             **                          |   
+      |                                                          ***                            |   
+      |                                                        **                               |   
+      |                                                     ***                                 |   
+      |                                                   **                                    |   
+      |                                                ***                                      |   
+      |                                              **                                         |   
+    1 |-+                                         *A*                                         +-|   
+      |                                         **                                              |   
+      |                                      ***                                                |   
+      |                                    **                                                   |   
+      |                                 ***                                                     |   
+      |                               **                                                        |   
+      |                            ***                                                          |   
+      |                          **                                                             |   
+      |                       ***                                                               |   
+  0.5 |-+                   **                                                                +-|   
+      |                  ***                                                                    |   
+      |                **                                                                       |   
+      |             ***                                                                         |   
+      |           **                                                                            |   
+      |        ***                                                                              |   
+      |      **                                                                                 |   
+      |   ***                                                                                   |   
+      | **                   +                     +                      +                     |   
+    0 +-----------------------------------------------------------------------------------------+   
+      1                     1.5                    2                     2.5                    3   
+                                                                                                    

t/basic-streaming-test.ref

@@ -0,0 +1,78 @@
+    1 +-----------------------------------------------------------------------------------------+   
+      |                      +                     +                     +                      |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+  0.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+    0 |-+                                          A                                          +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+ -0.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                      +                     +                     +                      |   
+   -1 +-----------------------------------------------------------------------------------------+   
+     0.99                  0.995                   1                   1.005                   1.01 
+                                                                                                    
+    2 +-----------------------------------------------------------------------------------------+   
+      |                      +                     +                      +                  ** |   
+      |                                                                                   ***   |   
+      |                                                                                 **      |   
+      |                                                                              ***        |   
+      |                                                                            **           |   
+      |                                                                         ***             |   
+      |                                                                       **                |   
+      |                                                                    ***                  |   
+  1.5 |-+                                                                **                   +-|   
+      |                                                               ***                       |   
+      |                                                             **                          |   
+      |                                                          ***                            |   
+      |                                                        **                               |   
+      |                                                     ***                                 |   
+      |                                                   **                                    |   
+      |                                                ***                                      |   
+      |                                              **                                         |   
+    1 |-+                                         *A*                                         +-|   
+      |                                         **                                              |   
+      |                                      ***                                                |   
+      |                                    **                                                   |   
+      |                                 ***                                                     |   
+      |                               **                                                        |   
+      |                            ***                                                          |   
+      |                          **                                                             |   
+      |                       ***                                                               |   
+  0.5 |-+                   **                                                                +-|   
+      |                  ***                                                                    |   
+      |                **                                                                       |   
+      |             ***                                                                         |   
+      |           **                                                                            |   
+      |        ***                                                                              |   
+      |      **                                                                                 |   
+      |   ***                                                                                   |   
+      | **                   +                     +                      +                     |   
+    0 +-----------------------------------------------------------------------------------------+   
+      1                     1.5                    2                     2.5                    3   
+                                                                                                    

t/basic-timefmt-plot.ref

@@ -0,0 +1,39 @@
+    5 +-----------------------------------------------------------------------------------------+   
+      |          +           +          +          +          +           +          +          |   
+      |                                                                                         |   
+      |                                                                                         |   
+  4.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+    4 |-+                                                                 A                   +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+  3.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+    3 |-+                                          A                                          +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+  2.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+    2 |-+                    A                                                                +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+  1.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |          +           +          +          +          +           +          +          |   
+    1 +-----------------------------------------------------------------------------------------+   
+    05:08      05:08       05:09      05:09      05:10      05:10       05:11      05:11      05:12 
+                                                                                                    

t/basic-xticlabels-domain.ref

@@ -0,0 +1,39 @@
+  5 +-------------------------------------------------------------------------------------------+   
+    |           +          +                                       *     +     *     +          |   
+    |                                                              *           *                |   
+    |                                                              *           *                |   
+    |                                                              *           *                |   
+    |                                                              *           *                |   
+    |                                                              *           *                |   
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t/basic-xticlabels-no-domain.ref

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t/circles.ref

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t/cumulative-histogram.ref

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t/dataid-plot.ref

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t/domain-plot.ref

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t/equations.ref

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t/error-bars-using-extravaluesperpoint.ref

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t/error-bars-using-rangesize-rangesizeall.ref

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+    |                                                                                          *|   
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t/error-bars-using-rangesizeall.ref

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+      |                                                                                         |   
+  2.5 |-+                                                                                     +-|   
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t/error-bars-using-tuplesize-tuplesizeall.ref

@@ -0,0 +1,39 @@
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t/error-bars-using-tuplesize.ref

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+      |                                                                                         |   
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+    3 |-+                                          A                                          +-|   
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+      |                     ***                                                                 |   
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t/every-individual.ref

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t/everyall.ref

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+     |                                                                                          |   
+     |                                                                                          |   
+   8 |-+                                                  B                                   +-|   
+     |                                                                                          |   
+     |                                                                                          |   
+     |                                                    A                                     |   
+     |                                                                                          |   
+     |                                                                                          |   
+   6 |-+                                   B                                                  +-|   
+     |                                                                                          |   
+     |                                                                                          |   
+     |                                     A                                                    |   
+     |                                                                                          |   
+     |                                                                                          |   
+   4 |-+                    B                                                                 +-|   
+     |                                                                                          |   
+     |                                                                                          |   
+     |                      A                                                                   |   
+     |                                                                                          |   
+     |                                                                                          |   
+   2 |-+     B                                                                                +-|   
+     |                                                                                          |   
+     |                                                                                          |   
+     |       A                                                                                  |   
+     |                                                                                          |   
+     |              +              +               +              +              +              |   
+   0 +------------------------------------------------------------------------------------------+   
+     0              2              4               6              8              10             12  
+                                                                                                    

t/histogram-plot.ref

@@ -0,0 +1,39 @@
+    4 +-----------------------------------------------------------------------------------------+   
+      |           *+**          +            +           +            +            +            |   
+      |           * **                                                                          |   
+      |           * **                                                                          |   
+  3.5 |-+         * **                                                                        +-|   
+      |           * **                                                                          |   
+      |           * **                                                                          |   
+      |           * **                                                                          |   
+      |           * **                                                                          |   
+    3 |-+         * ***                                                                       +-|   
+      |           * ***                                                                         |   
+      |           * ***                                                                         |   
+      |           * ***                                                                         |   
+  2.5 |-+         * ***                                                                       +-|   
+      |           * ***                                                                         |   
+      |           * ***                                                                         |   
+      |           * ***                                                                         |   
+      |           * ***                                                                         |   
+    2 |-+         * **** ***                                                                  +-|   
+      |           * **** ***                                                                    |   
+      |           * **** ***                                                                    |   
+      |           * **** ***                                                                    |   
+  1.5 |-+         * **** ***                                                                  +-|   
+      |           * **** ***                                                                    |   
+      |           * **** ***                                                                    |   
+      |           * **** ***                                                                    |   
+      |           * **** ***                                                                    |   
+    1 |-+         * ************************** ******** ************************** **         +-|   
+      |           * **** *** **** *** **** *** **** *** **** *** **** *** **** *** **           |   
+      |           * **** *** **** *** **** *** **** *** **** *** **** *** **** *** **           |   
+      |           * **** *** **** *** **** *** **** *** **** *** **** *** **** *** **           |   
+  0.5 |-+         * **** *** **** *** **** *** **** *** **** *** **** *** **** *** **         +-|   
+      |           * **** *** **** *** **** *** **** *** **** *** **** *** **** *** **           |   
+      |           * **** *** **** *** **** *** **** *** **** *** **** *** **** *** **           |   
+      |           * **** *** **** *** **** *** **** *** **** *** **** *** **** *** **           |   
+      |           *+**** *** **** *** **** *** **** *** **** *** **** *** **** *** **           |   
+    0 +-----------------------------------------------------------------------------------------+   
+    -500           0           500          1000        1500         2000         2500         3000 
+                                                                                                    

t/lines-on-both-axes-with-labels-legends-titles-different-styles.ref

@@ -0,0 +1,38 @@
+                                            Test plot                                               
+     10 +-------------------------------------------------------------------------------+ 30        
+        |         +         +         +         +         +         +         +      ** |           
+        |                                                                data 0 ******* |           
+        |                                                                       **      |           
+      9 |-+                                                                  ***        |           
+        |                                                                  **         +-| 25        
+        |                                                               ***             |           
+        |                                                             **                |           
+      8 |-+                                                        ***                  |           
+        |                                                        **                     |           
+        |                                                     ***                       |           
+        |                                                   **                        +-| 20        
+      7 |-+                                              ***                            |           
+        |                                              **                               |           
+        |                                           ***                                 |           
+        |                                         **                G                   |           
+      6 |-+                                    ***                                    +-| 15        
+  y     |                                    **                                         |    y2     
+        |                                  **                                           |           
+        |                                **                                             |           
+        |                             ***                                               |           
+      5 |-+                         **                                                  |           
+        |                         **                                                  +-| 10        
+        |                       **              G                                       |           
+        |                     **                                                        |           
+      4 |-+                ***                                                          |           
+        |                **                                                             |           
+        |             ***                                                             +-| 5         
+        |           **                                                                  |           
+      3 |-+      ***        G                                                           |           
+        |      **                                                                       |           
+        |   ***                                                                         |           
+        | **      +         +         +         +         +         +         +         |           
+      2 +-------------------------------------------------------------------------------+ 0         
+        1        1.5        2        2.5        3        3.5        4        4.5        5           
+                                                x                                                   
+                                                                                                    

t/lines-on-both-axes-with-labels-legends-titles.ref

@@ -0,0 +1,38 @@
+                                            Test plot                                               
+     10 +-------------------------------------------------------------------------------+ 30        
+        |         +         +         +         +         +         +         +      ** |           
+        |                                                                data 0 ***A*** |           
+        |                                                                       **      |           
+      9 |-+                                                                  ***        |           
+        |                                                                  **         +#| 25        
+        |                                                               ***          ## |           
+        |                                                             **           ##   |           
+      8 |-+                                                        *A*           ##     |           
+        |                                                        **            ##       |           
+        |                                                     ***            ##         |           
+        |                                                   **             ##         +-| 20        
+      7 |-+                                              ***             ##             |           
+        |                                              **              ##               |           
+        |                                           ***              ##                 |           
+        |                                         **               #B                   |           
+      6 |-+                                    *A*               ##                   +-| 15        
+  y     |                                    **               ###                       |    y2     
+        |                                  **               ##                          |           
+        |                                **              ###                            |           
+        |                             ***              ##                               |           
+      5 |-+                         **              ###                                 |           
+        |                         **              ##                                  +-| 10        
+        |                       **             #B#                                      |           
+        |                     **           ####                                         |           
+      4 |-+                *A*          ###                                             |           
+        |                **          ###                                                |           
+        |             ***        ####                                                 +-| 5         
+        |           **        ###                                                       |           
+      3 |-+      ***     ###B#                                                          |           
+        |      ** #######                                                               |           
+        |   ######                                                                      |           
+        |###      +         +         +         +         +         +         +         |           
+      2 +-------------------------------------------------------------------------------+ 0         
+        1        1.5        2        2.5        3        3.5        4        4.5        5           
+                                                x                                                   
+                                                                                                    

t/monotonicity-check.ref

@@ -0,0 +1,39 @@
+   10 +-----------------------------------------------------------------------------------------+   
+      |          +           +          +          +          +           +          +       ** |   
+      |                                                                                   ***   |   
+      |                                                                                 **      |   
+  9.5 |-+                                                                            ***      +-|   
+      |                                                                            **           |   
+      |                                                                          **             |   
+      |                                                                       ***               |   
+      |                                                                     **                  |   
+    9 |-+                                                                *A*                  +-|   
+      |                                                                **                       |   
+      |                                                             ***                         |   
+      |                                                           **                            |   
+  8.5 |-+                                                      ***                            +-|   
+      |                                                     ***                                 |   
+      |                                                   **                                    |   
+      |                                                ***                                      |   
+      |                                              **                                         |   
+    8 |-+                                         *A*                                         +-|   
+      |                                         **                                              |   
+      |                                      ***                                                |   
+      |                                    **                                                   |   
+  7.5 |-+                               ***                                                   +-|   
+      |                               **                                                        |   
+      |                             **                                                          |   
+      |                          ***                                                            |   
+      |                        **                                                               |   
+    7 |-+                   *A*                                                               +-|   
+      |                   **                                                                    |   
+      |                ***                                                                      |   
+      |              **                                                                         |   
+  6.5 |-+         ***                                                                         +-|   
+      |        ***                                                                              |   
+      |      **                                                                                 |   
+      |   ***                                                                                   |   
+      | **       +           +          +          +          +           +          +          |   
+    6 +-----------------------------------------------------------------------------------------+   
+      0         0.5          1         1.5         2         2.5          3         3.5         4   
+                                                                                                    

t/plots.t

@@ -0,0 +1,466 @@
+#!/usr/bin/perl
+
+# This tests various features of feedgnuplot. Note that the tests look at actual
+# plot output using the 'dumb' terminal, so any changes in gnuplot itself that
+# change the way the output looks will show up as test failures. Currently the
+# reference plots come from gnuplot 5.4, and I make sure this is the version
+# we're testing with
+#
+# Note that some tests are only executed when the RUN_ALL_TESTS environment
+# variable is set.
+
+# require a threaded perl for my tests. This block lifted verbatim from the cpantesters wiki
+BEGIN {
+  use Config;
+  if (! $Config{'useithreads'}) {
+    print("1..0 # Skip: Perl not compiled with 'useithreads'\n");
+    exit(0);
+  }
+
+  my $gawkversion = `gawk -V`;
+  if( !$gawkversion || $@ )
+  {
+    print("1..0 # Skip: gawk is required for strftime() in the test suite. Skipping tests.\n");
+    exit(0);
+  }
+
+  my $gnuplotVersion = `gnuplot --version`;
+  if( !$gnuplotVersion || $@)
+  {
+    print("1..0 # Skip: gnuplot not installed. Tests require ver. 5.4; feedgnuplot works with any.\n");
+    exit(0);
+  }
+
+  chomp $gnuplotVersion;
+  if ($gnuplotVersion ne "gnuplot 5.4 patchlevel 1")
+  {
+    print("1..0 # Skip: tests require gnuplot 5.4. Instead I detected '$gnuplotVersion'.\n");
+    exit(0);
+  }
+}
+
+use Test::More tests => 94;
+use File::Temp 'tempfile';
+use IPC::Run 'run';
+use String::ShellQuote;
+use FindBin qw($Bin);
+
+tryplot( testname => 'basic line plot',
+         cmd      => 'seq 5',
+         options  => [qw(--lines --points)],
+         refplot  => 'basic-line-plot.ref' );
+
+tryplot( testname => 'basic line plot to piped hardcopy',
+         cmd      => 'seq 5',
+         options  => [qw(--lines --points),
+                      '--hardcopy', '|cat'],
+         refplot  => 'basic-line-plot-to-piped-hardcopy.ref' );
+
+tryplot( testname => 'basic lines-only plot',
+         cmd      => 'seq 5',
+         options  => [qw(--lines)],
+         refplot  => 'basic-lines-only-plot.ref' );
+
+tryplot( testname => 'basic points-only plot',
+         cmd      => 'seq 5',
+         options  => [qw(--points)],
+         refplot  => 'basic-points-only-plot.ref' );
+
+tryplot( testname => 'basic line plot with bounds',
+         cmd      => 'seq 5',
+         options  => [qw(--lines --points),
+                      qw(--xmin -10.5 --xmax 4.5 --ymin -0.5 --ymax 5.5)],
+         refplot  => 'basic-line-plot-with-bounds.ref' );
+
+tryplot( testname => 'basic line plot with bounds, square aspect ratio',
+         cmd      => 'seq 5',
+         options  => [qw(--lines --points),
+                      qw(--xmin -10.5 --xmax 4.5 --ymin -0.5 --ymax 5.5 --square)],
+         refplot  => 'basic-line-plot-with-bounds-square-aspect-ratio.ref' );
+
+tryplot( testname => 'lines on both axes with labels, legends, titles',
+         cmd      => q{seq 5 | gawk '{print 2*$1, $1*$1}'},
+         options  => [qw(--lines --points),
+                      '--legend', '0', 'data 0',
+                      '--title', "Test plot",
+                      qw(--y2 1 --y2label y2 --xlabel x --ylabel y --y2max 30)],
+         refplot  => 'lines-on-both-axes-with-labels-legends-titles.ref' );
+
+tryplot( testname => 'lines on both axes with labels, legends, titles; different styles',
+         cmd      => q{seq 5 | gawk '{print 2*$1, $1*$1}'},
+         options  => ['--legend', '0', 'data 0',
+                      '--title', "Test plot",
+                      qw(--y2 1 --y2label y2 --xlabel x --ylabel y --y2max 30),
+                      '--curvestyle', '0', 'with lines',
+                      '--curvestyle', '1', 'with points ps 3 pt 7'],
+         refplot  => 'lines-on-both-axes-with-labels-legends-titles-different-styles.ref' );
+
+tryplot( testname => 'domain plot',
+         cmd      => q{seq 5 | gawk '{print 2*$1, $1*$1}'},
+         options  => [qw(--lines --points), '--domain'],
+         refplot  => 'domain-plot.ref' );
+
+tryplot( testname => 'dataid plot',
+         cmd      => q{seq 5 | gawk '{print 2*$1, $1*$1}'},
+         options  => [qw(--lines --points),
+                      qw(--dataid --autolegend)],
+         refplot  => 'dataid-plot.ref' );
+
+tryplot( testname => '3d spiral with bounds, labels',
+         cmd      => q{seq 50 | gawk '{print 2*cos($1/5), sin($1/5), $1}'},
+         options  => [qw(--lines --points),
+                      qw(--3d --domain --zmin -5 --zmax 45 --zlabel z),
+                     '--extracmds', 'set view 60,30'],
+         refplot  => '3d-spiral-with-bounds-labels.ref' );
+
+tryplot( testname => '3d spiral with bounds, labels, square xy aspect ratio',
+         cmd      => q{seq 50 | gawk '{print 2*cos($1/5), sin($1/5), $1}'},
+         options  => [qw(--lines --points),
+                      qw(--3d --domain --zmin -5 --zmax 45 --zlabel z),
+                     '--extracmds', 'set view 60,30', '--square_xy'],
+         refplot  => '3d-spiral-with-bounds-labels-square-xy-aspect-ratio.ref' );
+
+tryplot( testname => 'Monotonicity check',
+         cmd      => q{seq 10 | gawk '{print (NR-1)%5,NR}'},
+         options  => [qw(--lines --points --domain --monotonic)],
+         refplot  => 'monotonicity-check.ref' );
+
+
+tryplot( testname => 'basic --timefmt plot',
+         cmd      => q{seq 5 | gawk '{print strftime("%d %b %Y %T",1382249107+$1,1),$1}'},
+         options  => ['--domain', '--timefmt', '%d %b %Y %H:%M:%S'],
+         refplot  => 'basic-timefmt-plot.ref' );
+
+tryplot( testname => '--timefmt plot with bounds',
+         cmd      => q{seq 5 | gawk '{print strftime("%d %b %Y %T",1382249107+$1,1),$1}'},
+         options  => ['--domain', '--timefmt', '%d %b %Y %H:%M:%S',
+                      '--xmin', '20 Oct 2013 06:05:00',
+                      '--xmax', '20 Oct 2013 06:05:20'],
+         refplot  => 'timefmt-plot-with-bounds.ref' );
+
+tryplot( testname => '--timefmt plot with --monotonic',
+         cmd      => q{seq 10 | gawk '{x=(NR-1)%5; print strftime("%d %b %Y %T",1382249107+x,1),$1}'},
+         options  => ['--domain', '--timefmt', '%d %b %Y %H:%M:%S',
+                      '--monotonic'],
+         refplot  => 'timefmt-plot-with-monotonic.ref' );
+
+tryplot( testname => '--timefmt with custom rangesize',
+         cmd      => q{seq 5 | gawk '{print strftime("%d %b %Y %T",1382249107+$1,1),$1,$1/10}'},
+         options  => ['--domain', '--timefmt', '%d %b %Y %H:%M:%S',
+                      qw(--with errorbars --rangesizeall 2)],
+         refplot  => 'timefmt-with-custom-rangesize.ref' );
+
+tryplot( testname => 'Error bars (using extraValuesPerPoint)',
+         cmd      => q{seq 5 | gawk '{print $1,$1,$1/10}'},
+         options  => [qw(--domain),
+                      qw(--extraValuesPerPoint 1 --with errorbars)],
+         refplot  => 'error-bars-using-extravaluesperpoint.ref' );
+
+
+tryplot( testname => 'Error bars (using rangesizeall)',
+         cmd      => q{seq 5 | gawk '{print $1,$1,$1/10}'},
+         options  => [qw(--domain),
+                      qw(--rangesizeall 2 --with errorbars)],
+         refplot  => 'error-bars-using-rangesizeall.ref' );
+
+tryplot( testname => 'Error bars (using tuplesize)',
+         cmd      => q{seq 5 | gawk '{print $1,$1,$1/10}'},
+         options  => [qw(--domain),
+                      qw(--tuplesizeall 3 --with errorbars)],
+         refplot  => 'error-bars-using-tuplesize.ref' );
+
+tryplot( testname => 'Error bars (using rangesize, rangesizeall)',
+         cmd      => q{seq 5 | gawk '{print $1,"vert",$1,$1/10,"horiz",5-$1,$1-$1/5,$1+$1/20}'},
+         options  => [qw(--domain --dataid),
+                      qw(--rangesize vert 2 --rangesizeall 3 --with xerrorbars --style vert), 'with errorbars',
+                      qw(--xmin 1 --xmax 5 --ymin 0.5 --ymax 5.5)],
+         refplot  => 'error-bars-using-rangesize-rangesizeall.ref' );
+
+tryplot( testname => 'Error bars (using tuplesize, tuplesizeall)',
+         cmd      => q{seq 5 | gawk '{print $1,"vert",$1,$1/10,"horiz",5-$1,$1-$1/5,$1+$1/20}'},
+         options  => [qw(--domain --dataid),
+                      qw(--tuplesize vert 3 --tuplesizeall 4 --with xerrorbars --style vert), 'with errorbars',
+                      qw(--xmin 1 --xmax 5 --ymin 0.5 --ymax 5.5)],
+         refplot  => 'error-bars-using-tuplesize-tuplesizeall.ref' );
+
+tryplot( testname => 'timefmt without vnl',
+         cmd      => q{echo -n '# t a b\n1:00 5 6\n1:30 10 6\n2:00 7 6\n2:30 10 9\n'},
+         options  => [qw(--lines --points --domain --timefmt), '%H:%M',
+                      '--set', 'format x "%H:%M"'],
+         refplot  => 'timefmt-without-vnl.ref' );
+
+tryplot( testname => 'timefmt without vnl with style 0 default 1',
+         cmd      => q{echo -n '# t a b\n1:00 5 6\n1:30 10 6\n2:00 7 6\n2:30 10 9\n'},
+         options  => [qw(--domain --timefmt), '%H:%M',
+                      '--set', 'format x "%H:%M"',
+                      '--style', '0', 'with lines lt 7'],
+         refplot  => 'timefmt-without-vnl-with-style0-default1.ref' );
+
+tryplot( testname => 'timefmt without vnl with style',
+         cmd      => q{echo -n '# t a b\n1:00 5 6\n1:30 10 6\n2:00 7 6\n2:30 10 9\n'},
+         options  => [qw(--domain --timefmt), '%H:%M',
+                      '--set', 'format x "%H:%M"',
+                      '--style', '0', 'with lines lt 7',
+                      '--style', '1', 'with lines lt 5' ],
+         refplot  => 'timefmt-without-vnl-with-style.ref' );
+
+tryplot( testname => 'timefmt with vnl with style 0 default 1',
+         cmd      => q{echo -n '# t a b\n1:00 5 6\n1:30 10 6\n2:00 7 6\n2:30 10 9\n'},
+         options  => [qw(--domain --timefmt), '%H:%M',
+                      '--set', 'format x "%H:%M"',
+                      '--vnl',
+                      '--style', 'a', 'with lines lt 7'],
+         refplot  => 'timefmt-with-vnl-with-style0-default1.ref' );
+
+tryplot( testname => 'timefmt with vnl with style',
+         cmd      => q{echo -n '# t a b\n1:00 5 6\n1:30 10 6\n2:00 7 6\n2:30 10 9\n'},
+         options  => [qw(--domain --timefmt), '%H:%M',
+                      '--set', 'format x "%H:%M"',
+                      '--vnl',
+                      '--style', 'a', 'with lines lt 7',
+                      '--style', 'b', 'with lines lt 5' ],
+         refplot  => 'timefmt-with-vnl-with-style.ref' );
+
+my $data_xticlabels = <<EOF;
+# x label a b
+ 5  aaa   2 1
+ 6  bbb   3 2
+10  ccc   5 4
+11  ddd   2 1
+EOF
+
+tryplot( testname => 'basic xticlabels no domain',
+         cmd      => qq{echo "$data_xticlabels" | vnl-filter -p label,a,b},
+         options  => ['--vnl',
+                      '--xticlabels',
+                      '--with', 'boxes fill solid border lt -1',
+                      '--ymin', '0'],
+         refplot  => 'basic-xticlabels-no-domain.ref' );
+
+tryplot( testname => 'basic xticlabels domain',
+         cmd      => qq{echo "$data_xticlabels"},
+         options  => [qw(--vnl --domain),
+                      '--xticlabels',
+                      '--with', 'boxes fill solid border lt -1',
+                      '--ymin', '0'],
+         refplot  => 'basic-xticlabels-domain.ref' );
+
+tryplot( testname => 'xticlabels clustered',
+         cmd      => qq{echo "$data_xticlabels" | vnl-filter -p label,a,b},
+         options  => [qw(--vnl),
+                      '--xticlabels',
+                      '--set', 'style data histogram',
+                      '--set', 'style histogram cluster gap 2',
+                      '--set', 'style fill solid border lt -1',
+                      '--ymin', '0'],
+         refplot  => 'xticlabels-clustered.ref' );
+
+tryplot( testname => 'xticlabels styles',
+         cmd      => qq{echo "$data_xticlabels"},
+         options  => [qw(--vnl --domain),
+                      '--xticlabels',
+                      '--style', 'a', 'with points',
+                      '--style', 'b', 'with lines',
+                      '--xmin', '4.5',
+                      '--xmax', '11.5',
+                      '--ymin', '0',
+                      '--ymax', '6'],
+         refplot  => 'xticlabels-styles.ref' );
+
+tryplot( testname => 'xticlabels styles with tuplesize',
+         cmd      => qq{echo "$data_xticlabels"},
+         options  => [qw(--vnl --domain),
+                      '--xticlabels',
+                      '--tuplesizeall', '3',
+                      '--with', 'linespoints pt variable',
+                      '--xmin', '4.5',
+                      '--xmax', '11.5',
+                      '--ymin', '0',
+                      '--ymax', '6'],
+         refplot  => 'xticlabels-styles-with-tuplesize.ref' );
+
+tryplot( testname => 'equations',
+         cmd      => qq{seq 10 15},
+         options  => [qw(--equation x),
+                      qw(--equation-above x+1),
+                      qw(--equation-below x-1),
+                      '--with', 'boxes fill solid border lt -1',
+                      '--ymin', '0'],
+         refplot  => 'equations.ref' );
+
+tryplot( testname => 'everyall',
+         cmd      => q{seq 12 | gawk '{print $1,$1+1}'},
+         options  => [qw(--points --everyall 2)],
+         refplot  => 'everyall.ref' );
+
+tryplot( testname => 'every-individual',
+         cmd      => q{seq 12 | gawk '{print $1,$1+1}'},
+         options  => [qw(--points --every 0 2 --every 1 3)],
+         refplot  => 'every-individual.ref' );
+
+tryplot( testname => 'usingall',
+         cmd      => q{seq 12 | gawk '{print $1,$1+1}'},
+         options  => [qw(--style 0), 'with points pt variable',
+                      qw(--style 1), 'with linespoints pt variable',
+                      qw(--usingall 1:2:($2) --unset grid)],
+         refplot  => 'usingall.ref' );
+
+tryplot( testname => 'using-individual',
+         cmd      => q{seq 12 | gawk '{print $1,$1+1}'},
+         options  => [qw(--style 0), 'with points pt variable',
+                      qw(--using 0 1:2:($2)),
+                      qw(--using 1 1:(12-$2)),
+                      qw(--unset grid)],
+         refplot  => 'using-individual.ref' );
+
+SKIP:
+{
+
+# Some tests aren't 100% reliable, so I do not include them in automated testing. These are
+#
+# - Histogram and circle-plotting tests: these have inconsistent round-off
+#   behavior on different arches; specifically 32-bit and 64-bit x86. So both
+#   plots look fine, but not identical, thus the tests fail
+#
+# - Streaming tests. These tests have a temporal component, so the loading of
+#   the host machine can cause a test failure. It's fine pretty much all the
+#   time on my not-too-new laptop, but this is bad for automated testing
+
+skip "Skipping unreliable tests. Set RUN_ALL_TESTS environment variable to run them all", 20 unless $ENV{RUN_ALL_TESTS};
+
+
+tryplot( testname => 'Histogram plot',
+         cmd      => q{seq 50 | gawk '{print $1*$1}'},
+         options  => [qw(--lines --points),
+                      qw(--histo 0 --binwidth 50 --ymin 0 --curvestyleall), 'with boxes'],
+         refplot  => 'histogram-plot.ref' );
+
+tryplot( testname => 'Cumulative histogram',
+         cmd      => q{seq 50 | gawk '{print $1*$1}'},
+         options  => [qw(--lines --points),
+                      qw(--histo 0 --histstyle cum --binwidth 50 --ymin 0 --curvestyleall), 'with boxes'],
+         refplot  => 'cumulative-histogram.ref' );
+
+tryplot( testname => 'Circles',
+         cmd      => q{seq 5 | gawk '{print $1,$1,$1/10}'},
+         options  => [qw(--circles --domain)],
+         refplot  => 'circles.ref' );
+
+tryplot( testname => '--timefmt --histo',
+         cmd      => q{seq 10 | gawk '{x=(NR-1)%5; print strftime("%Y-%m-%d--%H:%M:%S",1382249107+x,1)}' | grep -v ':09'},
+         options  => ['--timefmt', '%Y-%m-%d--%H:%M:%S', '--histogram', '0','--binwidth', '1',
+                      '--set', q{format x "...-%M:%S"},
+                      '--ymax', '2.5'],
+         refplot  => 'timefmt-histo.ref' );
+
+
+
+
+note( "Starting to run streaming tests. These will take several seconds each" );
+
+# replotting every 1.0 seconds. Data comes in every 1.1 seconds. Two data
+# points, and then "exit", so I should have two frames worth of data plotted. I
+# pre-send a 0 so that the gnuplot autoscaling is always well-defined
+tryplot( testname => 'basic streaming test',
+         cmd      => q{seq 500 | gawk 'BEGIN{ print 0; } {print (NR==3)? "exit" : $0; fflush(); system("sleep 1.2");}'},
+         options  => [qw(--lines --points --stream)],
+         refplot  => 'basic-streaming-test.ref' );
+
+tryplot( testname => 'basic streaming test, twice as fast',
+         cmd      => q{seq 500 | gawk 'BEGIN{ print 0; } {print (NR==3)? "exit" : $0; fflush(); system("sleep 0.6");}'},
+         options  => [qw(--lines --points --stream 0.4)],
+         refplot  => 'basic-streaming-test-twice-as-fast.ref' );
+
+
+tryplot( testname => 'streaming with --xlen',
+         cmd      => q{seq 500 | gawk 'BEGIN{ print 0; } {print (NR==3)? "exit" : $0; fflush(); system("sleep 0.6");}'},
+         options  => [qw(--lines --points --stream 0.4 --xlen 1.1)],
+         refplot  => 'streaming-with-xlen.ref' );
+
+tryplot( testname => 'streaming with --monotonic',
+         cmd      => q{seq 500 | gawk '{if(NR==11) {print "exit";} else {x=(NR-1)%5; if(x==0) {print -1,-1;} print x,NR;}; fflush(); system("sleep 0.6");}'},
+         options  => [qw(--lines --points --stream 0.4 --domain --monotonic)],
+         refplot  => 'streaming-with-monotonic.ref' );
+
+tryplot( testname => '--timefmt streaming plot with --xlen',
+         cmd      => q{seq 5 | gawk 'BEGIN{ print strftime("%d %b %Y %T",1382249107-1,1),-4;} {if(NR==3) {print "exit";} else{ print strftime("%d %b %Y %T",1382249107+$1,1),$1;} fflush(); system("sleep 0.6")}'},
+         options  => ['--points', '--lines',
+                      '--domain', '--timefmt', '%d %b %Y %H:%M:%S',
+                      qw(--stream 0.4 --xlen 3)],
+         refplot  => 'timefmt-streaming-plot-with-xlen.ref' );
+
+tryplot( testname => '--timefmt streaming plot with --monotonic',
+         cmd      => q{seq 10 | gawk '{x=(NR-1)%5; if(x==0) {print strftime("%d %b %Y %T",1382249107-1,-4),-4;} print strftime("%d %b %Y %T",1382249107+x,1),NR; fflush(); system("sleep 0.6")}'},
+         options  => ['--points', '--lines',
+                      '--domain', '--timefmt', '%d %b %Y %H:%M:%S',
+                      qw(--stream 0.4 --monotonic)],
+         refplot  => 'timefmt-streaming-plot-with-monotonic.ref' );
+
+}
+
+
+
+sub tryplot
+{
+  my %args = @_;
+
+  my @options = ('--exit',
+                 qw(--unset grid),
+                 '--terminal', 'dumb 100,40');
+  unshift @options, @{$args{options}};
+
+  my $feedgnuplot = "$Bin/../bin/feedgnuplot";
+
+  note( "Running test '$args{testname}'. Running: $args{cmd} | $feedgnuplot " .
+        shell_quote(@options));
+
+  my $out = '';
+  my $err = '';
+  open IN, '-|', $args{cmd} or die "Couldn't open pipe to $args{cmd}";
+  run [$feedgnuplot, @options],
+    \*IN, \$out, \$err;
+
+  # Ignore any screen refresh characters gnuplot may be outputting
+  $out =~ s/\s*\n//g;
+
+  # Don't complain about mismatched benign warnings
+  $err =~ s/^.*?warning: empty [xy] range.*?$\\n//gmi;
+
+  my $refplot_filename = "$Bin/$args{refplot}";
+  my $refplot_data     = readfile($refplot_filename);
+
+  is($err, '',                    "$args{testname} stderr" );
+  is("\n$out", "\n$refplot_data", "$args{testname} stdout");
+
+  # Enable, to replace the reference plots with what we observe
+  if(0)
+  {
+      if ($out ne $refplot_data)
+      {
+          print("Overwrite '$refplot_filename'? ");
+          my $x = <STDIN>;
+          chomp $x;
+          if ( !(!$x || $x =~ /^no?$/i) )
+          {
+              open my $fd, '>', $refplot_filename
+                or die "Couldn't open '$refplot_filename' for writing";
+              print $fd $out;
+              close $fd;
+
+              print("Overwrote '$refplot_filename'\n");
+          }
+      }
+      print("\n\n");
+  }
+}
+
+sub readfile
+{
+    my $path = $_[0];
+
+    open my $fd, '<', $path or return '';
+    local $/ = undef;
+    my $dat = <$fd>;
+    close $fd;
+    return $dat;
+}

t/streaming-with-monotonic.ref

@@ -0,0 +1,390 @@
+  -0.99 +---------------------------------------------------------------------------------------+   
+        |                     +                     +                     +                     |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+ -0.995 |-+                                                                                   +-|   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+     -1 |-+                                         A                                         +-|   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+ -1.005 |-+                                                                                   +-|   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                     +                     +                     +                     |   
+  -1.01 +---------------------------------------------------------------------------------------+   
+      -1.01                -1.005                  -1                  -0.995                 -0.99 
+                                                                                                    
+    2 +-----------------------------------------------------------------------------------------+   
+      |                      +                     +                      +                **** |   
+      |                                                                                ****     |   
+      |                                                                            ****         |   
+      |                                                                         ***             |   
+      |                                                                     ****                |   
+  1.5 |-+                                                               ****                  +-|   
+      |                                                             ****                        |   
+      |                                                          ***                            |   
+      |                                                      ****                               |   
+      |                                                  ****                                   |   
+      |                                              ****                                       |   
+    1 |-+                                          A*                                         +-|   
+      |                                          **                                             |   
+      |                                        **                                               |   
+      |                                      **                                                 |   
+      |                                    **                                                   |   
+      |                                  **                                                     |   
+  0.5 |-+                              **                                                     +-|   
+      |                              **                                                         |   
+      |                             *                                                           |   
+      |                           **                                                            |   
+      |                         **                                                              |   
+      |                       **                                                                |   
+    0 |-+                   **                                                                +-|   
+      |                   **                                                                    |   
+      |                 **                                                                      |   
+      |               **                                                                        |   
+      |              *                                                                          |   
+      |            **                                                                           |   
+ -0.5 |-+        **                                                                           +-|   
+      |        **                                                                               |   
+      |      **                                                                                 |   
+      |    **                                                                                   |   
+      |  **                                                                                     |   
+      |**                    +                     +                      +                     |   
+   -1 +-----------------------------------------------------------------------------------------+   
+     -1                    -0.5                    0                     0.5                    1   
+                                                                                                    
+    3 +-----------------------------------------------------------------------------------------+   
+      |              +              +              +              +              +         **** |   
+      |                                                                                 ***     |   
+      |                                                                              ***        |   
+  2.5 |-+                                                                        ****         +-|   
+      |                                                                       ***               |   
+      |                                                                    ***                  |   
+      |                                                                ****                     |   
+      |                                                             ***                         |   
+    2 |-+                                                        *A*                          +-|   
+      |                                                      ****                               |   
+      |                                                   ***                                   |   
+      |                                                ***                                      |   
+  1.5 |-+                                          ****                                       +-|   
+      |                                         ***                                             |   
+      |                                      ***                                                |   
+      |                                  ****                                                   |   
+      |                               ***                                                       |   
+    1 |-+                           A*                                                        +-|   
+      |                           **                                                            |   
+      |                         **                                                              |   
+      |                        *                                                                |   
+  0.5 |-+                    **                                                               +-|   
+      |                    **                                                                   |   
+      |                   *                                                                     |   
+      |                 **                                                                      |   
+      |               **                                                                        |   
+    0 |-+            *                                                                        +-|   
+      |            **                                                                           |   
+      |          **                                                                             |   
+      |         *                                                                               |   
+ -0.5 |-+     **                                                                              +-|   
+      |     **                                                                                  |   
+      |    *                                                                                    |   
+      |  **                                                                                     |   
+      |**            +              +              +              +              +              |   
+   -1 +-----------------------------------------------------------------------------------------+   
+     -1            -0.5             0             0.5             1             1.5             2   
+                                                                                                    
+  4 +-------------------------------------------------------------------------------------------+   
+    |           +          +           +          +           +          +           +      *** |   
+    |                                                                                   ****    |   
+    |                                                                                ***        |   
+    |                                                                             ***           |   
+    |                                                                         ****              |   
+    |                                                                      ***                  |   
+  3 |-+                                                                 *A*                   +-|   
+    |                                                                ***                        |   
+    |                                                            ****                           |   
+    |                                                         ***                               |   
+    |                                                      ***                                  |   
+    |                                                  ****                                     |   
+    |                                               ***                                         |   
+  2 |-+                                          *A*                                          +-|   
+    |                                         ***                                               |   
+    |                                      ***                                                  |   
+    |                                   ***                                                     |   
+    |                                 **                                                        |   
+    |                              ***                                                          |   
+    |                           ***                                                             |   
+    |                        ***                                                                |   
+  1 |-+                    A*                                                                 +-|   
+    |                    **                                                                     |   
+    |                  **                                                                       |   
+    |                 *                                                                         |   
+    |               **                                                                          |   
+    |             **                                                                            |   
+    |            *                                                                              |   
+  0 |-+        **                                                                             +-|   
+    |         *                                                                                 |   
+    |       **                                                                                  |   
+    |     **                                                                                    |   
+    |    *                                                                                      |   
+    |  **                                                                                       |   
+    |**         +          +           +          +           +          +           +          |   
+ -1 +-------------------------------------------------------------------------------------------+   
+   -1         -0.5         0          0.5         1          1.5         2          2.5         3   
+                                                                                                    
+  5 +-------------------------------------------------------------------------------------------+   
+    |                 +                  +                 +                  +             *** |   
+    |                                                                                    ***    |   
+    |                                                                                 ***       |   
+    |                                                                              ***          |   
+    |                                                                           ***             |   
+  4 |-+                                                                      *A*              +-|   
+    |                                                                     ***                   |   
+    |                                                                  ***                      |   
+    |                                                              ****                         |   
+    |                                                           ***                             |   
+    |                                                        ***                                |   
+  3 |-+                                                   *A*                                 +-|   
+    |                                                  ***                                      |   
+    |                                               ***                                         |   
+    |                                            ***                                            |   
+    |                                         ***                                               |   
+    |                                      ***                                                  |   
+  2 |-+                                 *A*                                                   +-|   
+    |                                ***                                                        |   
+    |                             ***                                                           |   
+    |                         ****                                                              |   
+    |                      ***                                                                  |   
+    |                   ***                                                                     |   
+  1 |-+               A*                                                                      +-|   
+    |               **                                                                          |   
+    |              *                                                                            |   
+    |            **                                                                             |   
+    |           *                                                                               |   
+    |         **                                                                                |   
+  0 |-+      *                                                                                +-|   
+    |      **                                                                                   |   
+    |     *                                                                                     |   
+    |   **                                                                                      |   
+    |  *                                                                                        |   
+    |**               +                  +                 +                  +                 |   
+ -1 +-------------------------------------------------------------------------------------------+   
+   -1                 0                  1                 2                  3                 4   
+                                                                                                    
+  -0.99 +---------------------------------------------------------------------------------------+   
+        |                     +                     +                     +                     |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+ -0.995 |-+                                                                                   +-|   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+     -1 |-+                                         A                                         +-|   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+ -1.005 |-+                                                                                   +-|   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                                                                                       |   
+        |                     +                     +                     +                     |   
+  -1.01 +---------------------------------------------------------------------------------------+   
+      -1.01                -1.005                  -1                  -0.995                 -0.99 
+                                                                                                    
+  7 +-------------------------------------------------------------------------------------------+   
+    |                      +                      +                      +     ************     |   
+    |                                                               ***********                 |   
+    |                                                   ************                            |   
+  6 |-+                                           A*****                                      +-|   
+    |                                           **                                              |   
+    |                                          *                                                |   
+    |                                        **                                                 |   
+    |                                       *                                                   |   
+  5 |-+                                    *                                                  +-|   
+    |                                    **                                                     |   
+    |                                   *                                                       |   
+    |                                 **                                                        |   
+  4 |-+                              *                                                        +-|   
+    |                              **                                                           |   
+    |                             *                                                             |   
+    |                            *                                                              |   
+    |                          **                                                               |   
+  3 |-+                       *                                                               +-|   
+    |                       **                                                                  |   
+    |                      *                                                                    |   
+    |                    **                                                                     |   
+  2 |-+                 *                                                                     +-|   
+    |                 **                                                                        |   
+    |                *                                                                          |   
+    |               *                                                                           |   
+    |             **                                                                            |   
+  1 |-+          *                                                                            +-|   
+    |          **                                                                               |   
+    |         *                                                                                 |   
+    |       **                                                                                  |   
+  0 |-+    *                                                                                  +-|   
+    |     *                                                                                     |   
+    |   **                                                                                      |   
+    |  *                                                                                        |   
+    |**                    +                      +                      +                      |   
+ -1 +-------------------------------------------------------------------------------------------+   
+   -1                    -0.5                     0                     0.5                     1   
+                                                                                                    
+  8 +-------------------------------------------------------------------------------------------+   
+    |              +               +              +              +               +   ********   |   
+    |                                                                        ********           |   
+    |                                                                ********                   |   
+  7 |-+                                                       ***A***                         +-|   
+    |                                                 ********                                  |   
+    |                                          *******                                          |   
+    |                                  ********                                                 |   
+  6 |-+                            A***                                                       +-|   
+    |                             *                                                             |   
+    |                            *                                                              |   
+    |                           *                                                               |   
+  5 |-+                        *                                                              +-|   
+    |                        **                                                                 |   
+    |                       *                                                                   |   
+    |                      *                                                                    |   
+  4 |-+                   *                                                                   +-|   
+    |                    *                                                                      |   
+    |                   *                                                                       |   
+    |                  *                                                                        |   
+  3 |-+               *                                                                       +-|   
+    |                *                                                                          |   
+    |              **                                                                           |   
+    |             *                                                                             |   
+  2 |-+          *                                                                            +-|   
+    |           *                                                                               |   
+    |          *                                                                                |   
+    |         *                                                                                 |   
+  1 |-+      *                                                                                +-|   
+    |       *                                                                                   |   
+    |      *                                                                                    |   
+    |    **                                                                                     |   
+  0 |-+ *                                                                                     +-|   
+    |  *                                                                                        |   
+    | *                                                                                         |   
+    |*             +               +              +              +               +              |   
+ -1 +-------------------------------------------------------------------------------------------+   
+   -1            -0.5              0             0.5             1              1.5             2   
+                                                                                                    
+  10 +------------------------------------------------------------------------------------------+   
+     |          +           +          +           +          +          +           +          |   
+     |                                                                                          |   
+     |                                                                                       ***|   
+     |                                                                               ********   |   
+     |                                                                       ********           |   
+   8 |-+                                                              ***A***                 +-|   
+     |                                                        ********                          |   
+     |                                                 *******                                  |   
+     |                                          ***A***                                         |   
+     |                                  ********                                                |   
+     |                          ********                                                        |   
+   6 |-+                    A***                                                              +-|   
+     |                     *                                                                    |   
+     |                    *                                                                     |   
+     |                   *                                                                      |   
+     |                  *                                                                       |   
+     |                **                                                                        |   
+   4 |-+             *                                                                        +-|   
+     |              *                                                                           |   
+     |             *                                                                            |   
+     |            *                                                                             |   
+     |           *                                                                              |   
+     |          *                                                                               |   
+   2 |-+       *                                                                              +-|   
+     |        *                                                                                 |   
+     |       *                                                                                  |   
+     |      *                                                                                   |   
+     |    **                                                                                    |   
+     |   *                                                                                      |   
+   0 |-+*                                                                                     +-|   
+     | *                                                                                        |   
+     |*                                                                                         |   
+     |                                                                                          |   
+     |                                                                                          |   
+     |          +           +          +           +          +          +           +          |   
+  -2 +------------------------------------------------------------------------------------------+   
+    -1        -0.5          0         0.5          1         1.5         2          2.5         3   
+                                                                                                    
+  10 +------------------------------------------------------------------------------------------+   
+     |                 +                 +                  +                 +        ******   |   
+     |                                                                           ******         |   
+     |                                                                     ***A**               |   
+     |                                                               ******                     |   
+     |                                                         ******                           |   
+   8 |-+                                                 ***A**                               +-|   
+     |                                             ******                                       |   
+     |                                       ******                                             |   
+     |                                ***A***                                                   |   
+     |                          ******                                                          |   
+     |                    ******                                                                |   
+   6 |-+               A**                                                                    +-|   
+     |                *                                                                         |   
+     |               *                                                                          |   
+     |              *                                                                           |   
+     |              *                                                                           |   
+     |             *                                                                            |   
+   4 |-+          *                                                                           +-|   
+     |           *                                                                              |   
+     |          *                                                                               |   
+     |         *                                                                                |   
+     |        *                                                                                 |   
+     |        *                                                                                 |   
+   2 |-+     *                                                                                +-|   
+     |      *                                                                                   |   
+     |     *                                                                                    |   
+     |    *                                                                                     |   
+     |   *                                                                                      |   
+     |  *                                                                                       |   
+   0 |-+*                                                                                     +-|   
+     | *                                                                                        |   
+     |*                                                                                         |   
+     |                                                                                          |   
+     |                                                                                          |   
+     |                 +                 +                  +                 +                 |   
+  -2 +------------------------------------------------------------------------------------------+   
+    -1                 0                 1                  2                 3                 4   
+                                                                                                    

t/streaming-with-xlen.ref

@@ -0,0 +1,78 @@
+    1 +-----------------------------------------------------------------------------------------+   
+      |       +                +               +               +                +               |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+  0.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+    0 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+ -0.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
+      |       +                +               +               +                +               |   
+   -1 +-----------------------------------------------------------------------------------------+   
+              0               0.2             0.4             0.6              0.8              1   
+                                                                                                    
+    2 +-----------------------------------------------------------------------------------------+   
+      |       +                +               +               +                +            ** |   
+      |                                                                                    **   |   
+      |                                                                                  **     |   
+      |                                                                               ***       |   
+      |                                                                             **          |   
+      |                                                                           **            |   
+  1.8 |-+                                                                      ***            +-|   
+      |                                                                      **                 |   
+      |                                                                    **                   |   
+      |                                                                  **                     |   
+      |                                                               ***                       |   
+      |                                                             **                          |   
+      |                                                           **                            |   
+  1.6 |-+                                                      ***                            +-|   
+      |                                                      **                                 |   
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+  1.4 |-+                                    ***                                              +-|   
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+  1.2 |-+                    ***                                                              +-|   
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+      |       + **             +               +               +                +               |   
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+              2               2.2             2.4             2.6              2.8              3   
+                                                                                                    

t/timefmt-histo.ref

@@ -0,0 +1,39 @@
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+      |       *      +       *      +       *      +       *      +       *      +       *      |   
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+  ...-05:06      ...-05:07      ...-05:08      ...-05:09      ...-05:10      ...-05:11     ...-05:12
+                                                                                                    

t/timefmt-plot-with-bounds.ref

@@ -0,0 +1,39 @@
+    5 +-----------------------------------------------------------------------------------------+   
+      |                      +                     +                      +                     |   
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+      |                                                                                         |   
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+      |                                                                                         |   
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+      |                                                                                         |   
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+      |                                                                                         |   
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+      |                                                                                         |   
+      |                                                                                         |   
+      |                      +                     +                      +                     |   
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+    05:00                  05:05                 05:10                  05:15                 05:20 
+                                                                                                    

t/timefmt-plot-with-monotonic.ref

@@ -0,0 +1,39 @@
+   10 +-----------------------------------------------------------------------------------------+   
+      |          +           +          +          +          +           +          +          |   
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+      |                                                                                         |   
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+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
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+      |                                                                                         |   
+      |                                                                                         |   
+      |                                                                                         |   
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+      |                                                                                         |   
+      |                                                                                         |   
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+    7 |-+                    A                                                                +-|   
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+      |                                                                                         |   
+      |                                                                                         |   
+      |          +           +          +          +          +           +          +          |   
+    6 +-----------------------------------------------------------------------------------------+   
+    05:07      05:07       05:08      05:08      05:09      05:09       05:10      05:10      05:11 
+                                                                                                    

t/timefmt-streaming-plot-with-monotonic.ref

@@ -0,0 +1,390 @@
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+                                                                                                    
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+    |                         ****                                                              |   
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+                                                                                                    
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+    |*             +               +              +              +               +              |   
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+   6 |-+               A****                                                                  +-|   
+     |                *                                                                         |   
+     |                *                                                                         |   
+     |               *                                                                          |   
+     |              *                                                                           |   
+   4 |-+            *                                                                         +-|   
+     |             *                                                                            |   
+     |            *                                                                             |   
+     |           *                                                                              |   
+     |           *                                                                              |   
+     |          *                                                                               |   
+   2 |-+       *                                                                              +-|   
+     |         *                                                                                |   
+     |        *                                                                                 |   
+     |       *                                                                                  |   
+     |       *                                                                                  |   
+   0 |-+    *                                                                                 +-|   
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+     |     *                                                                                    |   
+     |    *                                                                                     |   
+     |   *                                                                                      |   
+  -2 |-+*                                                                                     +-|   
+     |  *                                                                                       |   
+     | *                                                                                        |   
+     |*                                                                                         |   
+     |*                +                 +                  +                 +                 |   
+  -4 +------------------------------------------------------------------------------------------+   
+   05:06             05:07             05:08              05:09             05:10             05:11 
+                                                                                                    

t/timefmt-streaming-plot-with-xlen.ref

@@ -0,0 +1,78 @@
+ -3.96 +----------------------------------------------------------------------------------------+   
+       |              +              +              +             +              +              |   
+       |                                                                                        |   
+       |                                                                                        |   
+       |                                                                                        |   
+ -3.97 |-+                                                                                    +-|   
+       |                                                                                        |   
+       |                                                                                        |   
+       |                                                                                        |   
+ -3.98 |-+                                                                                    +-|   
+       |                                                                                        |   
+       |                                                                                        |   
+       |                                                                                        |   
+       |                                                                                        |   
+ -3.99 |-+                                                                                    +-|   
+       |                                                                                        |   
+       |                                                                                        |   
+       |                                                                                        |   
+    -4 |-+                                                                                    +-|   
+       |                                                                                        |   
+       |                                                                                        |   
+       |                                                                                        |   
+       |                                                                                        |   
+ -4.01 |-+                                                                                    +-|   
+       |                                                                                        |   
+       |                                                                                        |   
+       |                                                                                        |   
+ -4.02 |-+                                                                                    +-|   
+       |                                                                                        |   
+       |                                                                                        |   
+       |                                                                                        |   
+       |                                                                                        |   
+ -4.03 |-+                                                                                    +-|   
+       |                                                                                        |   
+       |                                                                                        |   
+       |              +              +              +             +              +              |   
+ -4.04 +----------------------------------------------------------------------------------------+   
+     05:03          05:03          05:04          05:04         05:05          05:05          05:06 
+                                                                                                    
+  2 +-------------------------------------------------------------------------------------------+   
+    |              +               +              +              +               +       *****  |   
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+    |                                                                         ******            |   
+    |                                                                    *****                  |   
+    |                                                               *****                       |   
+  1 |-+                                                         *A**                          +-|   
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+    |                                                 **                                        |   
+  0 |-+                                             **                                        +-|   
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+    |                                           **                                              |   
+    |                                         **                                                |   
+    |                                       **                                                  |   
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+ -1 |-+                                 **                                                    +-|   
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+    |                               **                                                          |   
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+ -2 |-+                     **                                                                +-|   
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+    |                   **                                                                      |   
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+ -3 |-+         **                                                                            +-|   
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+    |       **                                                                                  |   
+    |     **                                                                                    |   
+    |   **                                                                                      |   
+    | **           +               +              +              +               +              |   
+ -4 +-------------------------------------------------------------------------------------------+   
+  05:06          05:06           05:07          05:07          05:08           05:08          05:09 
+                                                                                                    

t/timefmt-with-custom-rangesize.ref

@@ -0,0 +1,39 @@
+  5.5 +-----------------------------------------------------------------------------------------+   
+      |          +           +          +          +          +           +          +          |   
+      |                                                                                         |   
+      |                                                                                         |   
+    5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+  4.5 |-+                                                                                     +*|   
+      |                                                                  ***                    |   
+      |                                                                   *                     |   
+      |                                                                   *                     |   
+    4 |-+                                                                 A                   +-|   
+      |                                                                   *                     |   
+      |                                                                   *                     |   
+  3.5 |-+                                                                ***                  +-|   
+      |                                                                                         |   
+      |                                           ***                                           |   
+      |                                            *                                            |   
+    3 |-+                                          A                                          +-|   
+      |                                            *                                            |   
+      |                                           ***                                           |   
+      |                                                                                         |   
+  2.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                     ***                                                                 |   
+    2 |-+                    A                                                                +-|   
+      |                      *                                                                  |   
+      |                     ***                                                                 |   
+      |                                                                                         |   
+  1.5 |-+                                                                                     +-|   
+      |                                                                                         |   
+      |                                                                                         |   
+    1 |*+                                                                                     +-|   
+      |*                                                                                        |   
+      |                                                                                         |   
+      |          +           +          +          +          +           +          +          |   
+  0.5 +-----------------------------------------------------------------------------------------+   
+    05:08      05:08       05:09      05:09      05:10      05:10       05:11      05:11      05:12 
+                                                                                                    

t/timefmt-with-vnl-with-style.ref

@@ -0,0 +1,39 @@
+  10 +------------------------------------------------------------------------------------------+   
+     |         +         +        =+  =      +          +         +         +         +       ==|   
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+     |                         =           ==                                            =      |   
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+   9 |-+                     =                =                                       ==      +-|   
+     |                      =                  ==                                    =        @@|   
+     |                      =                    =                                  =        @  |   
+     |                     =                      ==                              ==        @   |   
+     |                    =                         =                            =        @@    |   
+     |                   =                           ==                        ==        @      |   
+     |                  =                              =                      =         @       |   
+   8 |-+               =                                =                    =        @@      +-|   
+     |                 =                                 ==                ==        @          |   
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+     |               =                                      ==           =        @@            |   
+     |              =                                         =        ==        @              |   
+     |             =                                           =      =        @@               |   
+     |            =                                             ==   =        @                 |   
+     |            =                                                ==        @                  |   
+   7 |-+         =                                                =        @@                 +-|   
+     |          =                                                         @                     |   
+     |         =                                                         @                      |   
+     |        =                                                        @@                       |   
+     |       =                                                        @                         |   
+     |       =                                                       @                          |   
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+   6 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@                           +-|   
+     |    =                                                                                     |   
+     |   =                                                                                      |   
+     |  =                                                                                       |   
+     |  =                                                                                       |   
+     | =                                                                                        |   
+     |=        +         +         +         +          +         +         +         +         |   
+   5 +------------------------------------------------------------------------------------------+   
+   01:00     01:10     01:20     01:30     01:40      01:50     02:00     02:10     02:20     02:30 
+                                                                                                    

t/timefmt-with-vnl-with-style0-default1.ref

@@ -0,0 +1,39 @@
+  10 +------------------------------------------------------------------------------------------+   
+     |         +         +        =+  =      +          +         +         +         +       ==|   
+     |                           =     =                                                     =  |   
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+     |                         =           ==                                            =      |   
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+   9 |-+                     =                =                                       ==      +-|   
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+     |                      =                    =                                  =           |   
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+     |                   =                           ==                        ==               |   
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+   8 |-+               =                                =                    =                +-|   
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+     |               =                                      ==           =                      |   
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+     |          =                                                                               |   
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+     |        =                                                                                 |   
+     |       =                                                                                  |   
+     |       =                                                                                  |   
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+   6 |-+   =                       B                              B                           +-|   
+     |    =                                                                                     |   
+     |   =                                                                                      |   
+     |  =                                                                                       |   
+     |  =                                                                                       |   
+     | =                                                                                        |   
+     |=        +         +         +         +          +         +         +         +         |   
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+   01:00     01:10     01:20     01:30     01:40      01:50     02:00     02:10     02:20     02:30 
+                                                                                                    

t/timefmt-without-vnl-with-style.ref

@@ -0,0 +1,39 @@
+  10 +------------------------------------------------------------------------------------------+   
+     |         +         +        =+  =      +          +         +         +         +       ==|   
+     |                           =     =                                                     =  |   
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+     |                         =           ==                                            =      |   
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+   9 |-+                     =                =                                       ==      +-|   
+     |                      =                  ==                                    =        @@|   
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+     |                   =                           ==                        ==        @      |   
+     |                  =                              =                      =         @       |   
+   8 |-+               =                                =                    =        @@      +-|   
+     |                 =                                 ==                ==        @          |   
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+     |               =                                      ==           =        @@            |   
+     |              =                                         =        ==        @              |   
+     |             =                                           =      =        @@               |   
+     |            =                                             ==   =        @                 |   
+     |            =                                                ==        @                  |   
+   7 |-+         =                                                =        @@                 +-|   
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+     |        =                                                        @@                       |   
+     |       =                                                        @                         |   
+     |       =                                                       @                          |   
+     |      =                                                      @@                           |   
+   6 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@                           +-|   
+     |    =                                                                                     |   
+     |   =                                                                                      |   
+     |  =                                                                                       |   
+     |  =                                                                                       |   
+     | =                                                                                        |   
+     |=        +         +         +         +          +         +         +         +         |   
+   5 +------------------------------------------------------------------------------------------+   
+   01:00     01:10     01:20     01:30     01:40      01:50     02:00     02:10     02:20     02:30 
+                                                                                                    

t/timefmt-without-vnl-with-style0-default1.ref

@@ -0,0 +1,39 @@
+  10 +------------------------------------------------------------------------------------------+   
+     |         +         +        =+  =      +          +         +         +         +       ==|   
+     |                           =     =                                                     =  |   
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+     |                          =         =                                               ==    |   
+     |                         =           ==                                            =      |   
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+   9 |-+                     =                =                                       ==      +-|   
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+     |                      =                    =                                  =           |   
+     |                     =                      ==                              ==            |   
+     |                    =                         =                            =              |   
+     |                   =                           ==                        ==               |   
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+   8 |-+               =                                =                    =                +-|   
+     |                 =                                 ==                ==                   |   
+     |                =                                    =              =                     |   
+     |               =                                      ==           =                      |   
+     |              =                                         =        ==                       |   
+     |             =                                           =      =                         |   
+     |            =                                             ==   =                          |   
+     |            =                                                ==                           |   
+   7 |-+         =                                                =                           +-|   
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+     |         =                                                                                |   
+     |        =                                                                                 |   
+     |       =                                                                                  |   
+     |       =                                                                                  |   
+     |      =                                                                                   |   
+   6 |-+   =                       B                              B                           +-|   
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+     |   =                                                                                      |   
+     |  =                                                                                       |   
+     |  =                                                                                       |   
+     | =                                                                                        |   
+     |=        +         +         +         +          +         +         +         +         |   
+   5 +------------------------------------------------------------------------------------------+   
+   01:00     01:10     01:20     01:30     01:40      01:50     02:00     02:10     02:20     02:30 
+                                                                                                    

t/timefmt-without-vnl.ref

@@ -0,0 +1,39 @@
+  10 +------------------------------------------------------------------------------------------+   
+     |         +         +        *+  *      +          +         +         +         +       **|   
+     |                           *     *                                                     *  |   
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+     |                         *           **                                            *      |   
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+   9 |-+                     *                *                                       **      +-|   
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+   8 |-+               *                                *                    *        ##      +-|   
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+     |            *                                             **   *        #                 |   
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+   7 |-+         *                                                A        ##                 +-|   
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+     |         *                                                         #                      |   
+     |        *                                                        ##                       |   
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+     |       *                                                       #                          |   
+     |      *                                                      ##                           |   
+   6 |#############################B##############################B                           +-|   
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+     |   *                                                                                      |   
+     |  *                                                                                       |   
+     |  *                                                                                       |   
+     | *                                                                                        |   
+     |*        +         +         +         +          +         +         +         +         |   
+   5 +------------------------------------------------------------------------------------------+   
+   01:00     01:10     01:20     01:30     01:40      01:50     02:00     02:10     02:20     02:30 
+                                                                                                    

t/using-individual.ref

@@ -0,0 +1,39 @@
+  12 +------------------------------------------------------------------------------------------+   
+     |              +              +               +              +              +              |   
+     |                                                                                          |   
+     |                                                                                  K       |   
+     |                                                                                          |   
+  10 |-+     B                                                                   J            +-|   
+     |                                                                                          |   
+     |                                                                                          |   
+     |              B                                                    I                      |   
+     |                                                                                          |   
+   8 |-+                    B                                     H                           +-|   
+     |                                                                                          |   
+     |                                                                                          |   
+     |                             B                      G                                     |   
+     |                                                                                          |   
+   6 |-+                                   B       F                                          +-|   
+     |                                                                                          |   
+     |                                                                                          |   
+     |                                     E       B                                            |   
+     |                                                                                          |   
+     |                                                                                          |   
+   4 |-+                           D                      B                                   +-|   
+     |                                                                                          |   
+     |                      C                                     B                             |   
+     |                                                                                          |   
+     |                                                                                          |   
+   2 |-+            B                                                    B                    +-|   
+     |                                                                                          |   
+     |       A                                                                   B              |   
+     |                                                                                          |   
+     |                                                                                          |   
+   0 |-+                                                                                B     +-|   
+     |                                                                                          |   
+     |                                                                                          |   
+     |                                                                                          |   
+     |              +              +               +              +              +              |   
+  -2 +------------------------------------------------------------------------------------------+   
+     0              2              4               6              8              10             12  
+                                                                                                    

t/usingall.ref

@@ -0,0 +1,39 @@
+  14 +------------------------------------------------------------------------------------------+   
+     |              +              +               +              +              +              |   
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+     |                                                                                        ##|   
+     |                                                                                    ####  |   
+  12 |-+                                                                               #L#    +-|   
+     |                                                                               ##         |   
+     |                                                                             ##           |   
+     |                                                                         ##K#     K       |   
+     |                                                                     ####                 |   
+  10 |-+                                                                #J#      J            +-|   
+     |                                                                ##                        |   
+     |                                                              ##                          |   
+     |                                                          ##I#     I                      |   
+     |                                                      ####                                |   
+   8 |-+                                                 #H#      H                           +-|   
+     |                                                 ##                                       |   
+     |                                               ##                                         |   
+     |                                            #G#     G                                     |   
+     |                                         ###                                              |   
+     |                                       ##                                                 |   
+   6 |-+                                 ##F#      F                                          +-|   
+     |                               ####                                                       |   
+     |                            #E#      E                                                    |   
+     |                          ##                                                              |   
+     |                        ##                                                                |   
+   4 |-+                  ##D#     D                                                          +-|   
+     |                ####                                                                      |   
+     |             #C#      C                                                                   |   
+     |           ##                                                                             |   
+     |         ##                                                                               |   
+   2 |-+     B#     B                                                                         +-|   
+     |                                                                                          |   
+     |       A                                                                                  |   
+     |                                                                                          |   
+     |              +              +               +              +              +              |   
+   0 +------------------------------------------------------------------------------------------+   
+     0              2              4               6              8              10             12  
+                                                                                                    

t/xticlabels-clustered.ref

@@ -0,0 +1,39 @@
+  5 +-------------------------------------------------------------------------------------------+   
+    |                 +                  +             *   *                  +                 |   
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+    |                                                  *   *                                    |   
+    |                                                  *   *                                    |   
+    |                                                  *   *                                    |   
+    |                                                  *   *                                    |   
+  4 |-+                                                *   ######                             +-|   
+    |                                                  *   #    #                               |   
+    |                                                  *   #    #                               |   
+    |                                                  *   #    #                               |   
+    |                                                  *   #    #                               |   
+    |                                                  *   #    #                               |   
+    |                                                  *   #    #                               |   
+  3 |-+                             ******             *   #    #                             +-|   
+    |                               *    *             *   #    #                               |   
+    |                               *    *             *   #    #                               |   
+    |                               *    *             *   #    #                               |   
+    |                               *    *             *   #    #                               |   
+    |                               *    *             *   #    #                               |   
+    |                               *    *             *   #    #                               |   
+    |                               *    *             *   #    #                               |   
+  2 |-+           *****             *    #####         *   #    #        ******               +-|   
+    |             *   *             *    #   #         *   #    #        *    *                 |   
+    |             *   *             *    #   #         *   #    #        *    *                 |   
+    |             *   *             *    #   #         *   #    #        *    *                 |   
+    |             *   *             *    #   #         *   #    #        *    *                 |   
+    |             *   *             *    #   #         *   #    #        *    *                 |   
+    |             *   *             *    #   #         *   #    #        *    *                 |   
+  1 |-+           *   ######        *    #   #         *   #    #        *    #####           +-|   
+    |             *   #    #        *    #   #         *   #    #        *    #   #             |   
+    |             *   #    #        *    #   #         *   #    #        *    #   #             |   
+    |             *   #    #        *    #   #         *   #    #        *    #   #             |   
+    |             *   #    #        *    #   #         *   #    #        *    #   #             |   
+    |             *   #    #        *    #   #         *   #    #        *    #   #             |   
+    |             *   #    #        *    #   #         *   #    #        *    #   #             |   
+  0 +-------------------------------------------------------------------------------------------+   
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+