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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
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
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
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
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
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
@ -535,23 +536,29 @@ instance C<--set 'xrange [20:10]'> to set the given inverted bounds.
=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.
=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>,
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. By default the y2-axis
curves look the same as the y-axis ones. I.e. the viewer of the resulting plot
has to be told which is which via an axes label, legend, etc. Prior to version
1.25 of 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
By default data is plotted against the x1 and y1 axes (the left and bottom one
respectively). If we want a particular curve plotted against a different axis,
we can specify that with these options. You pass C<--AXIS ID> where C<AXIS>
defines the axis (C<x2> or C<y2> or C<x1y2> or C<x2y1> or C<x2y2>) and the C<ID>
is the curve ID. C<--x2> is a synonym for C<--x2y1> and C<--y2> is a synonym for
C<--x1y2>. The curve ID is an ordered 0-based index or a specific ID if
C<--dataid> or C<--vnlog>. None of these apply to 3d plots. Can be passed
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'