[osg-users] getting userData or accumulated Uniform in nodevisitor

[Robert Osfield]

Hi Werner,

You'll need to override the Cull traversal behavior and get the StateSet
stack from the CullVisitor.  I don't recall the details off the top of my
head so you'll need to look at the osgUtil::CullVisitor and it's parent
class osg::CullStack for the tracking of state.

Robert.
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