[osg-users] (no subject)

[Pecoraro, Alexander N]

I think there is a bug in the osgUtil::Optimizer::CombineLODVisitor - at
line 1530 of Optimizer.cpp it does a dynamic_cast on and osg::Node* to
osg::LOD* and then at line 1563 it calls getChild(i) (even if
getNumChildren() == 0) on the dynamically casted LOD node. This works
fine when the node is an LOD node, but when it is a PagedLOD node then
it causes in invalid access to the _children vector. I attached a screen
shot to show what I mean.

This situation would only ocurr when a PagedLOD node was a sibling of an
LOD node, which is probably why it hasn't been spotted before.

Not sure if this is the accepted way to submit a fix, but anyway I made
a fix to the Optimizer code (version 2.4) and attached it to the email.

Alex
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