Re: clippinng problems ?
Angus Dorbie (dorbie++at++sgi.com)
Tue, 29 Sep 1998 10:26:09 -0700
h.d. pfeffer wrote:
>
> Hi
>
> In our Performer (Pf2.2) application (Onyx2 - 3 channel, 1 pipe) we have
> problems with (I suppose) triangle clipping.
>
> Depending on the viewpoint (large pitch angle) we often "loose" some
> triangles. It's a flickering of triangles with very small changes in the
> pitch angle.
>
> Though we are using large values for near-far in a large database I
> don't think it's a problem of the near clipping.
>
> In the attached file you can see a snapshot of a two channel view with
> the correct blue triangles and the missing parts.
This sounds like the clipping bug already discussed on this group.
It's being looked into.
Cheers,Angus.
--
"Only the mediocre are always at their best." -- Jean Giraudoux
For advanced 3D graphics Performer + OpenGL based examples and tutors:
http://www.dorbie.com/
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on Tue Sep 29 1998 - 11:29:09 PDT