how plot x , y , z position using rqt_plot /joint_states/position[3] ??
hi . how plot x , y , z position of joint 3 using rqtplot /jointstates/position[3] ??
Asked by zakizadeh on 2017-03-07 14:59:14 UTC
Answers
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 by gvdhoorn on 2017-03-07 15:06:31 UTC
Comments
thanks . how can i plot Cartesian coordinates in rqt ?? do you have example for that ?
Asked by zakizadeh on 2017-03-08 01:10:37 UTC
The simplest way to get those values is to write a script that computes the values you want and publishes them on a topic to visualize in rqt.
Asked by tfoote on 2017-03-12 16:35:11 UTC
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