= Frederic Marmond = [[TracNav(TracNav/CommunityTOC)]] ( temporally off from OSG, but you can reach me at 'zebarbuc at free dot fr' ) I made a toolkit for general intersection (including volumic) between shape and the graph. See it here [http://www.openscenegraph.org/osgwiki/pmwiki.php/Tasks/OsgIntersect OsgIntersect ]