Hi, It is not a PAT children problem...
I'll have a look one day on reproducing the problem... but for now it is not a priority. Thanks for your help, and thanks a lot to everyone here, I've been very "intrusive" this week, sorry for that. Regards, Vincent. 2008/12/5 Jean-Sébastien Guay <[EMAIL PROTECTED]> > Hi Vincent, > > When I set the PAT as Tracked node... is PAT is rotated and translated... >> camera do not follow it... >> > > Does your PAT have geometry under it? Or is it just a PAT in space without > any children? > > We had a problem like that before, where if a transform (for us it was an > osgSim::DOFTransform) had no geometry under it, it could not be followed by > a NodeTrackerManipulator. The reason is that the NTM uses the node's bounds > to calculate where it should track, and a Transform without anything under > it has invalid bounds (a default-constructed bounding sphere with radius = > -1). > > What we did to fix it is to add a ComputeBoundingSphereCallback to the > transform, which returns a bounding sphere of center = > (transform.translation) and radius = 0.1. That makes the NTM behave > properly. > > Not sure if that's your problem. If it isn't then I don't know, your code > looks good. If you send me a complete example (perhaps a modified > osgviewer.cpp with your code) I could have a look. > > J-S > -- > ______________________________________________________ > Jean-Sebastien Guay [EMAIL PROTECTED] > http://www.cm-labs.com/ > http://whitestar02.webhop.org/ > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
_______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org