how plot x , y , z position using rqt_plot /joint_states/position[3] ??
hi . how plot x , y , z position of joint 3 using rqt_plot /joint_states/position[3] ??
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hi . how plot x , y , z position of joint 3 using rqt_plot /joint_states/position[3] ??
JointState
messages only contain joint states, ie: joint poses in joint space. They do not represent Cartesian coordinates. So position[3]
is not z
, but the joint space position of joint 4 (it's zero-indexed).
Asked: 2017-03-07 13:59:14 -0500
Seen: 1,953 times
Last updated: Mar 07 '17
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