First pfSync() takes very long

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From: Juan Pablo Gomez (jpgomez++at++espelsa.es)
Date: 02/22/2002 05:08:27

Can someone explain us what is happening inside pfSync() the first time we call it?

We create a complex scene through code with lots of pfGroups, pfLODs and many pfGeoSets carefully organized,
and our problem is that the first pfSync() is taking a lot of time. (+/- 4000 geosets takes +/- 5 sec).
When the number of pfGeoSets increases, (and we need around 180.000), time increases linearly with
the number of geosets.

 

At first, we thought that it could be the time required to calculate bounding spheres. We have tried
to disable this calculation by providing static Bounding Spheres for all nodes, but this doesn't
seem to reduce any time in pfSync().

Any ideas?

Thanks in advance.

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