On Fri, Oct 15, 2010 at 1:23 PM, John Hsu wrote: > To visualize your urdf in rviz, take a look at robot model.  You can publish > corresponding frame transforms using tools such as the > joint_state_publisher. Hmmm... I don't see a joint_state_publisher nor a urdf_tools in my (Ubuntu, installed via apt-get) installation. Do you mean robot_state_publisher? Do I need to install it separately? Did I somehow miss installing it the first time? --wpd