Hi,
For our project we have thousands of Shape3D with very small geometry. When
rendering (using nVidia Quadro, Linux-86 800Mhz), our benchmark indicates that
each Shape3D is taking 20 microseconds (no appearance) and up to 30 microsecond
when an appearance node is used to set different colors.
This has to be compared with the geometry rendering: 15 nanoseconds per vertex!
It seems there is a huge penalty in breaking the geometry in Shape3D.
This doesn't make any sense!
The cost of a TransformGroup is 16 microseconds. Why is a Shape3D more expensive
than a transform (at least the transform is doing something, i.e. save
transform, multiply transform, restore transform)?
Any explanation is welcome.
Thanks.
Jean-Marie Dautelle.
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