[ros-users] Programmatically get ModelState from Gazebo

[Ian Jones]

Thanks for the reply, it worked as far as compilation went but I am still
not positive at how to get at the data further in ModelState.  For example I
want to get Pose data more specifically position (x,y,z).  Position is
nested inside of pose which is nested inside ModelState, So if i wanted to
just get the robots current x position, what sort of call would i need?
Thank you for your time.
Ian
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