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readme update

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github had a bug where it wouldn't render symlinks to embedded POD. Is this
still broken?
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Dima Kogan 2020-01-08 21:19:50 -08:00
parent 373b97092e
commit 592ce20d1f
1 changed files with 20 additions and 13 deletions
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README.pod
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@ -62,6 +62,7 @@ Simple plotting of piped data:
2 +-----------------------------------------------------------------+ 0 2 +-----------------------------------------------------------------+ 0
1 1.5 2 2.5 3 3.5 4 4.5 5 1 1.5 2 2.5 3 3.5 4 4.5 5
Here we asked for ASCII plotting, which is useful for documentation.
Simple real-time plotting example: plot how much data is received on the wlan0 Simple real-time plotting example: plot how much data is received on the wlan0
network interface in bytes/second (uses bash, awk and Linux): network interface in bytes/second (uses bash, awk and Linux):
@ -524,10 +525,10 @@ plot I<only> histograms or I<only> I<non>-histograms.
=item =item
C<--xmin/xmax/ymin/ymax/y2min/y2max/zmin/zmax xxx> C<--xmin/xmax/x2min/x2max/ymin/ymax/y2min/y2max/zmin/zmax xxx>
Set the range for the given axis. These x-axis bounds are ignored in a streaming Set the range for the given axis. These x-axis bounds are ignored in a streaming
plot. The y2-axis bound do not apply in 3d plots. The z-axis bounds apply plot. The x2/y2-axis bounds do not apply in 3d plots. The z-axis bounds apply
I<only> to 3d plots or colormaps. Note that there is no C<--xrange> to set both I<only> to 3d plots or colormaps. Note that there is no C<--xrange> to set both
sides at once or C<--xinv> to flip the axis around: anything more than the sides at once or C<--xinv> to flip the axis around: anything more than the
basics supported in this option is clearly obtainable by talking to gnuplot, for basics supported in this option is clearly obtainable by talking to gnuplot, for
@ -535,23 +536,29 @@ instance C<--set 'xrange [20:10]'> to set the given inverted bounds.
=item =item
C<--xlabel/ylabel/y2label/zlabel xxx> C<--xlabel/x2label/ylabel/y2label/zlabel xxx>
Label the given axis. The y2-axis label does not apply to 3d plots while the Label the given axis. The x2/y2-axis labels do not apply to 3d plots while the
z-axis label applies I<only> to 3d plots. z-axis label applies I<only> to 3d plots.
=item =item
C<--y2 xxx> C<--x2/--y2/--x1y2/--x2y1/--x2y2 xxx>
Plot the data specified by this curve ID on the y2 axis. Without C<--dataid>, By default data is plotted against the x1 and y1 axes (the left and bottom one
the ID is just an ordered 0-based index. Does not apply to 3d plots. Can be respectively). If we want a particular curve plotted against a different axis,
passed multiple times, or passed a comma-separated list. By default the y2-axis we can specify that with these options. You pass C<--AXIS ID> where C<AXIS>
curves look the same as the y-axis ones. I.e. the viewer of the resulting plot defines the axis (C<x2> or C<y2> or C<x1y2> or C<x2y1> or C<x2y2>) and the C<ID>
has to be told which is which via an axes label, legend, etc. Prior to version is the curve ID. C<--x2> is a synonym for C<--x2y1> and C<--y2> is a synonym for
1.25 of feedgnuplot the curves plotted on the y2 axis were drawn with a thicker C<--x1y2>. The curve ID is an ordered 0-based index or a specific ID if
line. This is no longer the case, but that behavior can be brought back by C<--dataid> or C<--vnlog>. None of these apply to 3d plots. Can be passed
passing something like multiple times for different curve IDs, multiple IDs can be passed in as a
comma-separated list. By default the curves plotted against the various axes
aren not drawn in any differentiated way: the viewer of the resulting plot has
to be told which is which via an axes label, legend, colors, etc. Prior to
version 1.25 of C<feedgnuplot> the curves plotted on the y2 axis were drawn with
a thicker line. This is no longer the case, but that behavior can be brought
back by passing something like
--y2 curveid --style curveid 'linewidth 3' --y2 curveid --style curveid 'linewidth 3'