[Octave-bug-tracker] [bug #43040] linewidth is not working

[Rik]

Follow-up Comment #12, bug #43040 (project octave):

The cleanest test case is:


octave-3.8.2 -f
graphics_toolkit fltk
plot (1:10, 'linewidth', 5);
get (gcf, "__enhanced__")
print out.png


The '-f' stops Octave from loading any configuration files in case there is
something in your site-wide octaverc or your personal .octaverc configuration.
 Using the full name of octave makes sure you are getting the right version,
and usually avoids any aliases you might have for octave which would start it
with different options.  The second line within Octave ensures the toolkit is
fltk, rather than qt which it would be for the GUI.  The fourth line is
checking on a hidden property of the figure which determines whether
anti-aliasing is used.  If there is a problem with the renderer on your
graphics card it might be useful to try


set (gcf, "__enhanced__", "off")


and see if that helps.

I would also disable anything that I don't recognize from the packages that
Octave maintainers ship.  In this case, I would temporarily uninstall
octave-plot and qtoctave.

Finally, you might run the following command at the shell to see what sort of
packages related to OpenGL you have installed.


dpkg -l | grep -i opengl




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