Hi Ian,
see attached simple python script for example, with pr2 running (roslaunch
pr2_gazebo pr2_empty_world.launch),
$ ./gms.py pr2 world
returnd x position  -0.00678816834842

Also, can you please re-post your question on answers.ros.org?  I think
that's where things should be these days.

Thanks,
John


On Mon, Apr 25, 2011 at 4:27 PM, Ian Jones <ianaldenjones@gmail.com> wrote:

> 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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