Hi Glenn, The IntersectionVisitor::accept(PagedLOD&) should fallback to a lower res child when one is not available. If you've gone ahead and implemented this missing code then please post it to osg-submissions so I can review it.
Cheers, Robert. On Thu, Jun 5, 2008 at 1:56 PM, Glenn Waldron <[EMAIL PROTECTED]> wrote: > Hi everyone, > > I'm using an IntersectionVisitor with a PagedLOD database, employing a > ReadCallback to allow the intersector to traverse the paged nodes. I > discovered that if the visitor is unable (for any reason) to load a subtile > via the ReadCallback, the intersection fails. However, I had the requirement > to "fall back" on the lower-resolution parent tile and settle for that > intersection. > > This was easy to implement simply by overriding > IntersectionVisitor::apply(PagedLOD). My question is: Are there any opinions > on whether this should be the default behavior? If it makes sense, I will > submit the change; if not, no worries. > > Glenn > > -- > Glenn Waldron : Pelican Mapping : http://pelicanmapping.com : 703-652-4791 > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

