Hi All I have implemented BRLCAD, which is a CSG based ray tracing api, into an Openscenegraph application. I am currently displaying BRLCAD models in the Openscenegraph world by generating a "point cloud" using the native BRLCAD ray tracer and rendering that as Osg point geometry. I would like to display these BRLCAD models by ray trace in Openscenegraph (yes, it will be slow!). I have done some searches through the archives and have not found a lot of info. It appears that I am going to have to use glReadPixels and glWritePixels prior to the swapbuffers (I am not using osgViewer yet). Does anyone know of a better method to render via ray trace in Openscenegraph? Thanks
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