sorry for the late reply !
i build another terrain with other dem and imagery and it worked fine i don't know why ... ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=29483#29483 _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org