Re: Updating bounding spheres
John Rohlf (jrohlf++at++tubes)
Mon, 6 Nov 95 9:39:15 PST
>
> Could somebody please help me?
> I've constructed a visual database in Performer and I am rendering it on a RE2 (2cpu).
> The problem is this:- When I update the vertices in a Geoset the bounding volume in the Geode
> doesn't appear to be updating properly. I try to force Performer to update by setting the Geodes
> bounding volume to NULL with pfNodeBSphere( Geode, NULL, PFN_BNODE_DYNAMIC ) but
> it still maintains the original bounding volume. I've also tried replacing the Geosets with themselves
> in the hope this would force the bounding volume to be re-computed in the Geode (But still the same
> result). I've also tried removing parents and inserting them back in the hierarchy but with still the
> effect (bounding volume wasn't updated). Can anybody shed any light on this problem?
>
Force recomputation of the pfGeoSet bounding box by passing
a NULL bbox argument to pfGSetBBox, then call
pfNodeBSphere( Geode, NULL, PFN_BNODE_DYNAMIC ). pfGeodes assume the
bboxes of its pfGeoSets are valid and doesn't recompute them for best
performance.
This archive was generated by hypermail 2.0b2
on Mon Aug 10 1998 - 17:52:01 PDT