[gl2ps] Re: Wierd problem with gl2ps under Mac OS X

[Christophe Geuzaine]

Prabhu Ramachandran wrote:

>>>>>>"CG" == Christophe Geuzaine <geuzaine at acm.caltech.edu> writes:
> 
> 
>     CG> Prabhu Ramachandran wrote:
>     >> I think I have found a bug in gl2ps on Mac OS X.  I have no
>     >> idea where it occurs though.  One MayaVi user (Konrad Hinsen)
>     >> was generating some figures via VTK->gl2ps and found that the
>     >> generated PS/EPS/PDF has *no* shading, all the triangles are
>     >> unshaded.
> [snip]
>     CG> Yes, I have the same problem on my Mac: it must be a bug in
>     CG> Apple's OpenGL implementation...
> 
>     CG> It might be worth it to send a bug report directly to Apple.
> 
> Thanks for the quick reply!  I am CC'ing Konrad on this email.  
> 
> How does one submit this bug report to Apple?  Do you have specific
> details that you would want Konrad to send them?  Do you have plans on
> submitting a report and would it help if both you and Konrad did so?

I think it would be nice if you guys could submit the bug report (I
don't have much time to deal with this at the moment). I guess
submitting a small standalone example would be best.

> 
> Technically, do you think that their OpenGL implementation does not
> work correctly when the render mode is GL_FEEDBACK?  Afterall, the
> shading works fine when the render mode is GL_RENDER.

Yep, in GL_FEEDBACK mode only.


Christophe

-- 
Christophe A. Geuzaine
Applied and Computational Mathematics, Caltech
geuzaine at acm.caltech.edu - http://geuz.org