Have you tried updating your graphics driver? This is unfamiliar
behavior. You might also try changing site-settings.py as discussed in
the materials section of the documentation for Visual 5.
Bruce Sherwood
Roberto Aguirre Maturana wrote:
> Bruce:
>
> I have a notebook with Windows XP Proffesional and a Pentium 4 HT
> processor and VPython just doesn't semm to work with it. The display is
> extremely slow, lights doesn't seem to be working (object appear as
> silhouettes) and if a program has a box object (for instance bounce.py) it
> crashes with the following error:
>
> VPython ***CRITICAL ERROR***: ..\src\core\display_kernel.cpp:909:
> cvisual::display_kernel::render_scene: OpenGL error:
> .\src\core\box.cpp:68 operación no válida, aborting.
>
> I have seen some old threads in google which refer too a simmilar problem
> affecting Pentium 4 HT.
>
> Best regards,
> Roberto Aguirre Maturana
> Santiago, Chile
>
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