Improved the cluster culling computation so that it now accounts for the local elevations.
Improved the cluster culling computation so that it now accounts for
the local elevations.


marchelbling/osg,tomasthoresen/osg,jtorresfabra/osg,tomasthoresen/osg,scrawl/osg,artoolkit/osg,tomasthoresen/osg,artoolkit/osg,tomasthoresen/osg,jtorresfabra/osg,scrawl/osg,openscenegraph/osg,artoolkit/osg,jtorresfabra/osg,marchelbling/osg,jtorresfabra/osg,openscenegraph/osg,scrawl/osg,openscenegraph/osg,marchelbling/osg,scrawl/osg,artoolkit/osg,marchelbling/osg,openscenegraph/osg