> Is there a way to publish a floating joint position using robot state > publisher?  It seems unlikely, since multiple dimensions are involved. The robot state publisher only deals with single degree of freedom joints (rotational and prismatic). But you can of course create a multi degree of freedom joint by composing multiple single degree of freedom joints. So you would create a urdf that uses 6 joints to describe 1 floating joint. Wim -- -- Wim Meeussen Willow Garage Inc.