My application utilizes a large terrain database, and it relies heavily on osgSim::OverlayNode.
Originally, I used OBJECT_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY for the overlay technique. With this technique, my application works properly; however, it is very resource intensive, and the overlay shapes are noticeably pixelated. Ideally, I would like to switch to using VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY as the overlay technique. With this technique, the overlay shapes look much better (no noticeable pixelation). Additionally, this technique significantly reduces the memory footprint and increases the frame rate of my application. Unfortunately, my application does not work properly. It appears that many of the overlay shapes are getting partially or completely clipped, which results in an incomplete overlay. VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY appears to be highly-dependent on the value of the overlay base height. This is a problem, as the terrain elevation of my database is variable, and I am not able to find a value that works well from all viewing angles. What can I do to allow the VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY technique to work better in my environment? Thanks, Justin _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
