Updates to NodeTrackerManipulator.cpp

include/osgGA/NodeTrackerManipulator

@@ -90,6 +90,8 @@ class OSGGA_EXPORT NodeTrackerManipulator : public MatrixManipulator
         /** Return node if attached.*/
         virtual osg::Node* getNode();
 
+        virtual void computeHomePosition();
+
         /** Move the camera to the default position. 
             May be ignored by manipulators if home functionality is not appropriate.*/
         virtual void home(const GUIEventAdapter& ea,GUIActionAdapter& us);

src/osgGA/NodeTrackerManipulator.cpp

@@ -249,6 +249,9 @@ void NodeTrackerManipulator::addMouseEvent(const GUIEventAdapter& ea)
 
 void NodeTrackerManipulator::setByMatrix(const osg::Matrixd& matrix)
 {
+    osg::Vec3d eye,center,up;
+    matrix.getLookAt(eye,center,up,_distance);
+    computePosition(eye,center,up);
 }
 
 void NodeTrackerManipulator::computeNodeWorldToLocal(osg::Matrixd& worldToLocal) const