Added event callback to Optizimer isNodeEmpty function
Added event callback to Optizimer isNodeEmpty function


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