On 4/3/2011 9:27 AM, Martin Haffner wrote: > Thanks for your fast reply! > Ok, lets say I have 2 matrix transform nodes. One makes a huge translate to > the right (x axis) and the other a huge translation fo the left. Each matrix > transform node has one geode as a child, which renders a tree. > If I add these 2 matrix transform to a LOD node (at ranges (0,100) and > (100,1000)), then the following happens: The bounding spheres of the geodes > are propagated upwards to the matrix transform nodes. The bounding spheres > are again propagated upwards to the LOD node and a new big sphere is computed > with encloses both bounding spheres (in other words: the LOD node now has a > huge sphere that encases both tree bounding spheres). > The distances (0,100,1000) always mean: The distance from the camera to the > center of the LOD sphere. > Is this correct?
I think so. But, I could be wrong. It should be pretty easy to put some breakpoints inside the LOD code and watch exactly what happens. -- Chris 'Xenon' Hanson, omo sanza lettere. [email protected] http://www.alphapixel.com/ Digital Imaging. OpenGL. Scene Graphs. GIS. GPS. Training. Consulting. Contracting. "There is no Truth. There is only Perception. To Perceive is to Exist." - Xen _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
