Hi Alexej, Use the osg::Geometry::setInitialBound() to the extents that you transformed geometry will be placed.
Robert. On 23 August 2012 11:52, Alexej Fink <[email protected]> wrote: > Hello, > > I need an advice regarding the culling setup. > In my application I use a vertex shader to transform 3d geometry from the > flat-world scene graph to the related position on a sphere (globe). > > Having a normal camera, which hovers over the transformed spheric world > breaks the culling stage, cause the frustum culling is applied to the > untransformed (flat) world in the scene graph compared to the rendered > spheric world with transformed geometry. > > So how to setup the culling for such a scenario? > * Can I setup two different cameras, one for culling and one for drawing > (how)? > * And how to deal with the culling on boundaries in the flat world which > shall met in the spheric world -- they usually do not fit into a single > frustum? > > > Cheers, > Alexej > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=49428#49428 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
