[Octave-bug-tracker] [bug #56731] gnuplot set to multiplot mode in GUI Octave

[Petr Mikulik]

URL:
  <https://savannah.gnu.org/bugs/?56731>

                 Summary: gnuplot set to multiplot mode in GUI Octave
                 Project: GNU Octave
            Submitted by: mikulik
            Submitted on: Thu 08 Aug 2019 09:41:35 AM UTC
                Category: Plotting with gnuplot
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Regression
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 5.1.0
        Operating System: GNU/Linux

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Details:

When gnuplot is selected as the graphics toolkit, then gnuplot is set to
multiplot mode in GUI-Octave while to normal non-multiplot mode in CLI-Octave.
Thus some drawing scripts relying on gnuplot work well in CLI-Octave while
they are broken in the GUI-Octave. I think the multiplot mode should be off in
both cases.

Example:

graphics_toolkit gnuplot
graw('show multiplot;\n');


When running Octave as "octave" or "octave-cli", then it shows

    multiplot mode is off

while "octave --gui" shows

    multiplot mode is on



Example code with graw() expanded:

graphics_toolkit gnuplot
f = gcf();
drawnow();
stream = get(f, '__plot_stream__');
fprintf(stream, 'show multiplot;\n');
fflush(stream);







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