Hello Frédéric, in short: no, it is not supported natively.
You have to either sort the triangles by depth before rendering or use the depth peeling algorithm. There should be (at least there was) a depth peeling example you could use as a starting point for such an implementation. Regards, Joachim Frédéric SPEISSER wrote: > Hi Paul, hi all, > > I'm still trying to have a nice transparency for some objects. Indeed > even if I use backface culling, the transparency rendering of concave > objects seems not to work properly (see attached images). > The only way I found seems to implement an depthpeeling algorithm to do > order-independant transparency, is that necessary ? > Is concave objects transparency rendering natively not supported by > OpenGL/OpenSceneGraph ? > -- Joachim E. Vollrath Visualisierungsinstitut der Universitaet Stuttgart (VISUS) web: http://www.vis.uni-stuttgart.de/~vollrajm/ mail: [EMAIL PROTECTED] phone: 49.711.7816.403 fax: 49.711.7816.213 german postal address: Dipl. Inf. Joachim E. Vollrath Visualisierungsinstitut der Universitaet Stuttgart (VISUS) Nobelstrasse 15 70569 Stuttgart GERMANY _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
