On Sat, Oct 6, 2012 at 1:02 AM, Preet <[email protected]> wrote: > Sergey's suggestion (invalidating the geometry's bounds with a custom > compute bounds callback) sort of worked, but led into another issue. > If I zoom out far enough, the Earth surface geometry disappears. > Specifically, if the camera is pointing at the center of the Earth, > the Earth geometry disappears when the camera eye is further than > ~5.13E6m from the surface of the Earth. Changing the near and far > planes don't have any effect here. > > However, if I disable culling I don't have this problem (but disabling > culling kills the framerate): > myCam->setCullingMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
Sorry, typo above, I meant to write: myCam->setCullingMode(osg::CullSettings::NO_CULLING); > > So right now I'm: > > * Setting the near and far plane manually > (myCam->setComputeNearFarMode is set to DO_NOT_COMPUTE) whenever the > camera is updated to ensure my desired view volume is correct > * Setting the Earth surface geometry compute bounds callback to disabled > > And that works fine up until I move the camera out far enough as I > described previously. Something happens at that causes the geometry to > disappear unless I disable culling altogether. > > > Preet _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
