Hi Antonio,
On Tue, 2005-12-13 at 13:28 +0100, antonio_lioy wrote:
> Which optimizations does OpenSG scenegraph implement?
> In particular I'm interested in hidden surface removal and frustum
> culling.
OpenGL does the first one, OpenSG the second.
> May I assume that OpenSG will draw only the part of the scene that I'm
> looking or I should implement my own routines (as space partioning
> ones to reduce the amount of data rendered)?
OpenSG does view frustum culling, but it does not restructure the graph
to get better distribution. So in some cases it might make sense for you
to restructure the graph yourself, e.g. when you have a large number of
objects under a single Node it makes sense to split them up and add a
layer of Groups in there.
But in general you can leave it alone and it will work fine.
Hope it helps
Dirk
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