Added handling of zero points
Added handling of zero points

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