On 10.12.2014 14:04, Huub wrote:

> Using Fedora 21 and Octave 3.8.2 on a pc with nVidia video NV34 chipset,

> I want to do a simple plot:

> x = linspace(0, pi);

> plot(sin(2*x));

> Instead of a sine plot, I get the result in the attachment. I got a

> similar result using Fedora 20 with same Octave version. Does this mean

> that Octave (or plot) doesn't support this video chipset anymore ?

The default graphics_toolkit is FLTK which uses OpenGL to draw plots.

Is your OpenGL setup okay? Does "glxinfo | grep direct" show "direct

rendering: Yes". Can you run "glxgears" without problems? What version

is your libfltk? What happens if you move the window out of the screen

and back again?

Andy

_______________________________________________

Help-octave mailing list

[hidden email]
https://lists.gnu.org/mailman/listinfo/help-octave