Hi, I wanted to implement the inverse kinematics for our arm and found this promising tutorial: http://www.ros.org/wiki/pr2_kinematics/Tutorials/Tutorial%201 However I can't find pr2_kinematics package (though I did the rosinstall using: ~/rosinstall ~/ros_latest http://ros.org/rosinstalls/latest_pr2.rosinstall ) I get: $ roscd pr2_kinematics $ roscd: No such package 'pr2_kinematics' Any ideas? Cheers, Ugo -- Ugo Cupcic | Shadow Robot Company | ugo@shadowrobot.com Software Engineer | 251 Liverpool Road | need a Hand? | London N1 1LX | +44 20 7700 2487 http://www.shadowrobot.com/hand/ @shadowrobot