Traversal control over PFN_CULL_SORT

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From: Bram Stolk (bram++at++sara.nl)
Date: 02/27/2002 07:28:42

Hello,

I suspect that pfNode::setTravMode is not working as it should be.
I tried with O2's, Octanes and an Onyx, with different Performer versions,
but calling:

  HighlightedGroup->setTravMode(PFTRAV_CONT, PFN_CULL_SORT, PFN_CULL_SORT_CONTAINED);

results in this error msg from performer:

  PF Warning/Usage: pfNode::setTravMode(): invalid traversal 0

Also, traversal behavior remains unchanged.

When reading 'man pfnode', I see:

     setTravMode is used to set additional mode information to control
     traversals. Currently the which argument must be PFTRAV_CONT and the
     mode argument must be PFN_CULL_SORT; the possible choices for the value
     argument are:

          PFN_CULL_SORT_UNCONTAINED
               [snip]
          PFN_CULL_SORT_CONTAINED

  Bram

PS: setting val to PFN_CULL_SORT_UNCONTAINED gives the same warning. 

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