HI Attilla, You might be able to do this with the stencil buffer.
Robert. On Wed, Oct 19, 2011 at 4:38 PM, Atilla Selem <[email protected]> wrote: > Hi, > > i want to mask out some part of square myTerrain.ive node ( created using vpb > ) according to user decided terrain radius. > User can change mission radius starting from terrain center and i display a > circle indicating user selection. Flying objects out of that radius is not > created and can not be seen. (Aircrafts and other target objects..) > if i could display myTerrain.ive node by just showing area covering that > circle would be very fantastic 8). > How can i do that using osg? i want the user to see only that circle/disk > when camera position enables him to see all terrain area and objects. > > Thank you! > > Cheers, > > Lâ-Edri. > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=43456#43456 > > > > > > _______________________________________________ > 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
