Thank you Robert, may I ask how a camera can inherit the viewpoint of a sister (slave) camera ? Or does it inherit the viewpoint of the master camera ?
Regards, -Fred > De: Robert Osfield > > Hi Fred, > > The osg::Camera has support for setting the reference frame so that it > inherits the viewpoint for LOD calculation so that you get the same > LOD's for your render to texture pass as you would for your main view. > In osgShadow you'll this used and set up thus: > > _camera->setReferenceFrame(osg::Camera::ABSOLUTE_RF_INHERIT_VIEWPOINT); > >This doesn't require any other changes so no need to try Sergey's > suggestion of LODScale() which would achieve rather different results. > > Robert. On 2 April 2012 13:12, Frederic Bouvier wrote: > Hi, > > FlightGear now includes a deferred renderer that produce shadows. As the > lighting is done from a Gbuffer in a fullscreen quad render, I can't (correct > me if I'm wrong) use osgShadow. > > So in my implementation, I render the geometry of the whole scenegraph to a > depth texture using an orthographic projection in the direction of the light. > The view matrix sets the sun position at 10000m from a position ahead of the > viewer. But when the viewer is near an object that has a LOD node that has a > range of 0 - 9000m, the model is not renderer in the shadow map and the > viewer doesn't see a shadow. > > So the question : is there special code in osgShadow that address this kind > of situation : a LOD range for the viewer unsuitable for the light source ? > > I tried to override the LOD::traverse method in a specific cull visitor that > calls Group::traverse instead, but I was said it is a bad thing, and I can > understand it breaks PagedLOD and any descendant too. > > Regards, > -Fred > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org