invalidateSelection ( self,  lens )

draw (
        self,
        lens,
        viewer,
        drawPass,
        )

drawPick (
        self,
        lens,
        viewer,
        )

validXform ( self )

invalidateCache ( self,  lens )

bbox (
        self,
        lens,
        bbox,
        )

close ( self )

mass ( self,  lens )

x3dWrite (
        self,
        indent,
        lens,
        )

cofm ( self,  lens )