Also exists in 3.2 and development head, reported upstream: http://lists.openscenegraph.org/pipermail/osg-users-openscenegraph.org/2013-December/065758.html
Also exists in 3.2 and development head, reported upstream: http:// lists.openscene graph.org/ pipermail/ osg-users- openscenegraph. org/2013- December/ 065758. html