Hi Mangu, have a look at the osgUtil::PolytopeIntersector. See osgkeyboardmouse example has a code path that uses the PolytopeIntersector. The key is to use the view frustum to define the polytope.
On Tue, Apr 21, 2009 at 2:46 PM, Mangu Liok <[email protected]> wrote: > Hi, > > Sorry for the question, I searched the forum and wasn't able to find a > solution. > I need to know if certain polygon in my node are currently on screen or not. > I'm using > http://groups.google.com/group/osg-users/browse_thread/thread/456350371e15798c/6b682511095a9162?hl=en&lnk=gst&q=NodeVisito > to have access to the polygons. > > mangu liok. > > Thank you. > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=10518#10518 > > > > > > _______________________________________________ > 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
