On Saturday 02 July 2011 20:49:49 David Cofer wrote: > Hi, > > This may be easy and I am just not seeing how to do it at the moment. I have > a scene graph and I would like to add an object to an arbitrary node on the > graph, but I want to make sure that the new node is positioned at the world > coordinates that I have specified. So I need to calculate the local > transform that would be needed when added to a node that would give the new > node that world coordinates. This is obviously not a simple matter of > finding the difference between the world coords and the parent object, > because there could be any number of rotations in the scene graph to that > point. I was wondering if anyone knew if there was a simple way to do this > before I go digging out my matrix math books to try and figure this out. > > Thank you! > > Cheers, > David
Hi David, have a look at the getWorldMatrices() method of osg::Node. It returns a list of all matrices that are in the scene graph above a particular node. Regards, Magnus _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
