Re: Error when a figure is saved in DXF format

[PhilipNienhuis]

help-octave-3 wrote
> Dear All,
> 
> During the execution of an Octave script it appears the error: 
> "error: gl2ps_renderer::draw: internal pipe error"
> 
> After its execution the following error is displayed:
> 
>>> error: parse error
> error: called from
>     __opengl_print__ at line 193 column 7
>     print at line 710 column 16
>     SplInt at line 1184 column 4
> 
> 
> I found:
> C:\Octave\Octave-5.1.0.0\mingw32\share\octave\5.1.0\m\plot\util\private\__opengl_print__.m
> 
> The code sequence in __opengl_print__.m where Octave crashes (line 193)
> is:
> 
> 180
> 181  opts.pipeline = pipeline;
> 182
> 183  for n = 1:numel (pipeline)
> 184    if (opts.debug)
> 185      fprintf ("opengl-pipeline: '%s'\n", pipeline{n});
> 186    endif
> 187
> 188    if (strcmp (get (opts.figure, "visible"), "on")
> 189        || (strcmp (get (opts.figure, "__graphics_toolkit__"), "qt")
> 190            && (strcmp (get (opts.figure, "__gl_window__"), "on")
> 191                || __have_feature__ ("QT_OFFSCREEN"))))
> 192      ## Use toolkits "print_figure" method
> 193      drawnow (gl2ps_device{n}, ['|' pipeline{n}]);
> 194    else
> 195      error ("print: figure must be visible or qt toolkit must be used
> with __gl_window__ property 'on' or QT_OFFSCREEN feature available");
> 196    endif
> 197  endfor
> 198
> 
> The sequence in my code is:
> 
> 1182   %
> 1183   disp(strcat("Stage: print the diagram(s) in the following dxf file:
> ",dxf_filename));
> 1184   print(fig,"dxf",dxf_filename);
> 1185   pause(2);
> 1186   %
> 
> If I replace print with
> 1184   saveas (fig, dxf_filename, "dxf");
> 
> it results the same error!
> 
> 
> I use 32-bit GNU Octave 
>>> version
> ans = 5.1.0
> 
> under 
> 
> Windows 10 Pro
> ...
> 64-bit Operating System, x64-based processor
> 
> Any suggestion is highly appreciated.

If I try the following with Octave-5.1.1 (next version to become stable
5.2.0):

plot (0:10)
print ('tst.dxf', '-ddxf')

I get:
warning: print: "dxf" format is no more officially supported

TBH, I didn't even know that DXF format was once supported.

Philip




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