TravMask problems

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John A. Collier (jcollier++at++alexandra.mtl.com)
Wed, 24 May 1995 16:54:11 -0400

I am trying to get traversal masks working in order to display simultaneous IR
and visual scenes.

My goal is to tag some geodes with a VISUAL tag (0x1) and others with an IR tag
(0x2) with the

                pfNodeTravMask(geode,PF_XXXX,VISUAL)
then use a

                pfChanTravMask(chan,PF_XXXX,VISUAL or IR)

to limit which is displayed in which channel.

Should it be a PF_CULL or a PF_DRAW? If I make if PF_DRAW to prune the node as
it looks like the manual states, nothing shows up.

If I use PF_CULL, I do not get the correct images. It appears that both geodes
are drawn ( as they have the same geometry it is hard to tell for sure)

Thanks for your help,
John

-- 
John A. Collier					e-mail:	jcollier++at++mtl.com
MTL Systems, Inc.				voice:	(513) 426-3111
3481 Dayton-Xenia Rd.				fax:	(513) 426-8301
Dayton, OH 45432-2796

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