Hi Alex, If your PagedLOD has no preloaded children then you have to set USER_DEFINED_CENTER otherwise it's completely undefined. I don't know at what point you think there is a bug, as the default value of CenterMode is USE_BOUDNDING_SPHERE_CENTER, so there is no need to write it out to the .osg file.
I would recommend that you fix your set up of your PagedOD set that you set USER_DEFINED_CENTER and then define the center appropriately for your data. Robert. On Tue, Sep 1, 2009 at 1:42 AM, Pecoraro, Alexander N<alexander.n.pecor...@lmco.com> wrote: > I think there is a bug in the osg reader/writer for PagedLOD nodes. If you > set the LOD::CenterMode to USE_BOUNDING_SPHERE_CENTER then it doesn’t get > written to the output .osg file because the writer ignores its value unless > it is set to USER_DEFINED_CENTER, in which case it just writes out the user > defined center, but not the center mode (see LOD_writeLocalData() function > in the osg plugin). This doesn’t cause a problem for regular LOD nodes > because their bounds can be computed from their children, but if you have a > PagedLOD node that has no children (because its children area loaded by the > pager) then its not possible to compute a valid bounding sphere to use (and > it won’t try to anyway because the center mode defaults to > USER_DEFINED_CENTER). This is different than the way the ive writer works - > when I write my PagedLOD nodes to the ive file format and then view them > with the osgviewer it works fine, but when I write to osg the externally > referenced files are never paged in because it thinks the center of the > PagedLOD nodes is (0,0,0). > > > > Alex > > _______________________________________________ > 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
