Re: trouble saving 3D plot

[Pantxo]

blindcurrent wrote
> Hello friends of Octave,
> 
> I am experiencing trouble saving a 3D plot.
> 
> My code loads data from a file and uses surf to create a three-dimensional
> plot. When viewed from the top, like after executing view(2), it can be
> saved with commands like
> print('-dpng','test31.png') or
> saveas(gcf,'test25.png')
> without any problem.
> 
> However, after rotating the plot to see the surface at an angle, both
> print and saveas cause Octave to crash. After a few seconds, (not
> responding) appears in the window title. Please see the attached file
> figure.png to get an idea of what the plot I am trying to save looks like.
> 
> So far I have tried:
> - waiting several minutes,
> - both the print and saveas commands,
> - setting a lower resolution (with the print command),
> - saving the plot in jpg format,
> - doing no formatting of the plot after plotting (e.g. colormap, shading,
> colorbar, view, axis, …)
> - executing hold off after plotting*,
> - terminating every command in the script that does the plotting with a
> semicolon*.
> 
> *I found these tips online where other people had trouble saving graphs.
> 
> I am using Octave 4.2.1 and Windows 7. The standard graphics toolkit is
> qt. fltk behaves similarly. I have tried gnuplot and succeeded in saving
> an image that looks somewhat like what I want. But I cannot get the
> formatting right at all, and face other issues using gnuplot in addition.
> Therefore I am trying to avoid gnuplot.
> 
> What works (with the standard graphics toolkit qt):
> - saving sombrero and peaks in their original 3D view, also in high
> resolution,
> - saving the 2D view of my 3D surface (as mentioned above).
> 
> Has anyone got any ideas for a solution for this issue, or a workaround?
> 
> Best regards,
> 
> Adrian
> 
> _______________________________________________
> Help-octave mailing list

> Help-octave@

> https://lists.gnu.org/mailman/listinfo/help-octave
> 
> 
> figure.png (142K)
> <http://octave.1599824.n4.nabble.com/attachment/4682154/0/figure.png>

Hi,

This is most probably a bug. Can you file a bug report on sabannah [1]  and
provide the original script and data you used, or alternatively upload the
file you obtain using "hgsave (gcf, 'myplot.ofig')"?

Pantxo 

[1] https://savannah.gnu.org/bugs/?group=octave



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