Robert, I think I found the problem. I am using version 1.2 (which I forgot to mention, again), and CullVisitor does not push and pop the viewport on the CullStack. Looks like this has already been resolved in revision 6224.
Thanks again -gw On Dec 17, 2007 11:39 AM, Robert Osfield <[EMAIL PROTECTED]> wrote: > Hi Glenn, > > I can't really give a straight answer without spending some time on > the code, but it does sound like CullStack should be returning the > viewport of the nested Camera, and if it isn't there is probably a bug > lurking somewhere in CullVisitor::apply(Camera&) so I'd recommend > having a look at the internals of CullVisitor to see the management of > the viewport stack, a little fix is probably all that is required. > > Robert. > > On Dec 17, 2007 4:09 PM, Glenn Waldron <[EMAIL PROTECTED]> wrote: > > Hi, hopefully this is an easy one! > > > > I am subclassing MatrixTransform and overriding the accept(NodeVisitor&) > > method in order to perform some custom auto-scaling. It works fine until > I > > put the node under an RTT camera. Upon doing so, the > > CullStack::getViewport() method still returns the viewport corresponding > to > > the main camera -- what I'm looking for are the dimensions of the RTT > > surface. > > > > What is the correct call in this case? Thanks in advance. -gw > > > > -- > > 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 > -- Glenn Waldron : Pelican Mapping : http://pelicanmapping.com : 703-652-4791
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