Example #1
0
def make_joint_traj(xyzs, quats, manip, ref_frame, targ_frame, filter_options = 0):
    "do ik and then fill in the points where ik failed"

    n = len(xyzs)
    assert len(quats) == n
    
    robot = manip.GetRobot()
    joint_inds = manip.GetArmJoints()
    robot.SetActiveDOFs(joint_inds)
    orig_joint = robot.GetActiveDOFValues()
    
    joints = []
    inds = []

    for i in xrange(0,n):
        mat4 = conv.trans_rot_to_hmat(xyzs[i], quats[i])
        joint = PR2.cart_to_joint(manip, mat4, ref_frame, targ_frame, filter_options)
        if joint is not None: 
            joints.append(joint)
            inds.append(i)
            robot.SetActiveDOFValues(joint)


    robot.SetActiveDOFValues(orig_joint)
    
    
    rospy.loginfo("found ik soln for %i of %i points",len(inds), n)
    if len(inds) > 2:
        joints2 = mu.interp2d(np.arange(n), inds, joints)
        return joints2, inds
    else:
        return np.zeros((n, len(joints))), []
Example #2
0
def get_base_positions_bimanual_resampled(rars, joints):
    n_orig = len(rars)
    
    rars_ds = rars[::10]
    n_ds = len(rars_ds)
    base_xys_ds = get_base_positions_bimanual(rars_ds, joints)
    
    base_xys = mu.interp2d(np.linspace(0,1,n_orig), np.linspace(0,1,n_ds), base_xys_ds)
    
    return base_xys