On Dec 10, 2007 12:40 PM, Pettersson Håkan <[EMAIL PROTECTED]> wrote: > > Hello > > > > How do I calculate the yaw angle that my cameraManipulator is > > pointg at (-PI to +PI) ???
This question is open to lots of interpretation, first up what are you defining the yaw angle against? Is your data geocentric or another coordinate frame? Relative to north, south? Clockwise anti-clockwise? Since the question is so open ended the OSG doesn't try and guess at what convertion one might use but leaves the users to decide and use the lower level methods to get the result they want. In general, operations available are to get the view matrix from the viewer's camera i..e osg::Matrixd& view = viewer.getCamera()->getViewMatrix(); Then there a who range of osg::Matrixd methods available, and the osg::Quat class as well. Robert. _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
