On 9 Aug 2012, at 21:49, Stuart Buchanan wrote:

>>> Do we have any ideas addressing these issues?

Random thought, hopefully someone with more OSG knowledge can confirm or deny:

Can we create the geometry (and unload it) in the cull-callback? I.e set an 
appropriate bounding volume for the LOD node, and only build the geometry when 
the node actually passes culling. And obviously after some number of frames of 
being culled, unload the geometry again.

I can't recall what scene modifications are / are not permitted inside a 
cull-callbacl, however.

James


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