Beispiel #1
0
                     orientation = Quaternion( 0.0, 0.0, 0.0, 1.0 ) )
        req.ik_request.pose_stamped.pose = pose
    
        # make the call
        try:
            # print "send request :" #, req
            res = ik_service( req )
            
            if res.error_code.val == res.error_code.SUCCESS:
                joint_positions = np.asarray( res.solution.joint_state.position )
            else:
                print "IK failed, error code : ", res.error_code.val
                break
        except rospy.ServiceException, e:
            print "service call failed: %s"%e
            break
    
        trajectory.append( joint_positions )
        req.ik_request.ik_seed_state.joint_state.position = joint_positions
        
    rospy.loginfo( 'done!' )

    t = np.cumsum( [dt] * n ) - dt
    pos = np.asarray( trajectory )
    dynutils.wrap_trajectory( pos )

    vel = dynutils.compute_derivative( pos, dt )
    acc = dynutils.compute_derivative( vel, dt )

    dynutils.save_motion( 'circle.pkl', 'circle', t, pos, vel, acc )
Beispiel #2
0
                    orientation=Quaternion(0.0, 0.0, 0.0, 1.0))
        req.ik_request.pose_stamped.pose = pose

        # make the call
        try:
            # print "send request :" #, req
            res = ik_service(req)

            if res.error_code.val == res.error_code.SUCCESS:
                joint_positions = np.asarray(res.solution.joint_state.position)
            else:
                print "IK failed, error code : ", res.error_code.val
                break
        except rospy.ServiceException, e:
            print "service call failed: %s" % e
            break

        trajectory.append(joint_positions)
        req.ik_request.ik_seed_state.joint_state.position = joint_positions

    rospy.loginfo('done!')

    t = np.cumsum([dt] * n) - dt
    pos = np.asarray(trajectory)
    dynutils.wrap_trajectory(pos)

    vel = dynutils.compute_derivative(pos, dt)
    acc = dynutils.compute_derivative(vel, dt)

    dynutils.save_motion('circle.pkl', 'circle', t, pos, vel, acc)
Beispiel #3
0
#!/usr/bin/env python

import dynamics_utils as dynutils


(name, time, pos, vel, acc) = dynutils.load_motion_ascii("/u/dhennes/Desktop/reaching.txt")
dynutils.save_motion("../motions/reaching.pkl", name, time, pos, vel, acc)
Beispiel #4
0
                     orientation = Quaternion( 0.0, 0.0, 0.0, 1.0 ) )
        req.ik_request.pose_stamped.pose = pose
    
        # make the call
        try:
            # print "send request :" #, req
            res = ik_service( req )
            
            if res.error_code.val == res.error_code.SUCCESS:
                joint_positions = np.asarray( res.solution.joint_state.position )
            else:
                print "IK failed, error code : ", res.error_code.val
                break
        except rospy.ServiceException, e:
            print "service call failed: %s"%e
            break
    
        trajectory.append( joint_positions )
        req.ik_request.ik_seed_state.joint_state.position = joint_positions
        
    rospy.loginfo( 'done!' )

    t = np.cumsum( [dt] * n ) - dt
    pos = np.asarray( trajectory )
    dynutils.wrap_trajectory( pos )

    vel = dynutils.compute_derivative( pos, dt )
    acc = dynutils.compute_derivative( vel, dt )

    dynutils.save_motion( 'figure8.pkl', 'figure8', t, pos, vel, acc )