Re: Intersections
Angus Dorbie (dorbie++at++multipass.engr.sgi.com)
Mon, 11 Aug 1997 21:48:54 -0700
On Aug 11, 4:22pm, Nicolas Gauvin wrote:
> Subject: Re: Intersections
> On Aug 11, 12:44pm, John Sunderland wrote:
> > Subject: Intersections
> >
> > HitNum = ModelsParentDCSNode->isect(&Isegset, Result);
> > pfNotify(PFNFY_NOTICE, PFNFY_PRINT, "Got %d hits from Isectors",
> > HitNum);
> > }
> >
> > The problem I am having is that the isect call always returns 0 (i.e. in
> > the above code HitNum = 0 ). Has anyone got any ideas as to what I am
> > doing wrong? Your help will be much appreciated.
>
> I encountered the same problem not long ago. I believe it might be a bug
> in Performer when we request a pfNode::isect on a segset containing
> more than one segment (your case).
>
> For a quick fix, try replacing your single isect call with multiple isect
calls
> with a segset containing a single segment at a time. It worked for me.
>
> I'll try to write a small test case of this problem for the Performer team.
>
If this is the problem then it's already fixed in the 2.2 beta.
I have used multiple segs isectors without problems in 2.2.
Cheers,Angus.
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on Mon Aug 10 1998 - 17:55:43 PDT