On Aug 7, 2007, at 7:26 PM, Daniel E. Shipton wrote: > On 8/3/07, Robert Osfield <[EMAIL PROTECTED]> wrote: >> Hi Doug, >> >> There are number of hoops one has to jump through to do safe >> multi-threading with the OSG, osgViewer does these all for you, while >> SceneView knows nothing of it and requires higher level classes to >> handle it. osgViewer itself does use SceneView so does illustrate >> that it is possible using SceneView so you could possible use this as >> guide. >> >> Personally I'd recommend that VRJuggler just use osgViewer for >> creating the windows and cameras as per the configuration required by >> VRJuggler, this way you can take advantage of all the threading >> models >> that osgViewer provides in a way that is known to be thread safe. >> >> Another key advantage of adopting osgViewer is that problems you see >> will be much more reproducible by others who don't use VRJuggler. >> For instance you could create a scene that uses a ClearNode and >> run in >> standard OSG examples, and if the problems exists then I and others >> can look into it. >> >> With the current state of play, trying to help diagnose what might be >> up would require a massive time investment in getting VR Juggler >> installed, learning about it, setting up the case that reproduces the >> problem, then stepping through to see where the problem lies. > > Actually, all the OSG code for VR Juggler is contained in one > header file: > http://developer.vrjuggler.org/browser/juggler/branches/2.2/modules/ > vrjuggler/vrj/Draw/OSG/OsgApp.h > > Could you give this file the once over and alert us to any problems? > If you have any questions I can certainly try to explain what is going > on.
We were able to fix this by calling getBound after using the UpdateVisitor on the root node of the scenegraph. There is a note in SceneView::update on why this needs to be done in this manner. Doug _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
