Pretty sure osgShadow doesn't do anything with the receiveShadows mask bit - , at least when using any of the shadow map algorithms. Some reference to this: http://osg-users.openscenegraph.narkive.com/eMJHm8Gm/osgshadow-question ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=68444#68444