(fl.comp:tracking-camera :target-actor
                            (progn
                              (format t "ref path = ~A~%"
                                      (fl:ref "/3d-graph-2/camera"))
                              (format t "ref :self = ~A~%"
                                      (fl:ref :self))
                              (format t "ref path component type = ~A~%"
                                      (fl:ref "/3d-graph-2/camera"
                                           :component 'fl.comp:tracking-camera))
                              (format t "ref :self component type = ~A~%"
                                      (fl:ref :self
                                           :component 'fl.comp:tracking-camera))
                              (format t "ref :self component :self = ~A~%"
                                      (fl:ref :self :component :self))
			      (format t "ref path component :self = ~A~%"
				      (fl:ref "/3d-graph-2/camera"
					      :component :self))
                              (fl:ref "/3d-graph-2/graph"))))