Hi, robert. Thank you for your reply. I never use the PolytopeIntersector, can you tell me more hints? Because i am new to osg or show me some website so that i learn osg quickly. Thanks.
Jhon. robertosfield wrote: > Hi John, > > > As Nick suggest you can use a cull callback to report back when a node > and it's subgraph are likely to be within the view frustum, however, > this is constrains you to doing the test in the cull traversal. > > However, if you want to do the test outside the cull traversal then > you'll need to use the PolytopeIntersector, creating a Polytope as the > frustum. > > Robert. > > On 27 June 2016 at 07:30, John Lee <> wrote: > > > Hi, > > > > I don't know how to judge if an object is in the frustum? I want to get > > which node is in the frustum. > > > > Thank you! > > > > Cheers, > > John > > > > ------------------ > > Read this topic online here: > > http://forum.openscenegraph.org/viewtopic.php?p=67832#67832 > > > > > > > > > > > > _______________________________________________ > > osg-users mailing list > > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > _______________________________________________ > osg-users mailing list > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > ------------------ > Post generated by Mail2Forum ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=67841#67841 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

