This is probably a discussion for answers.ros.org, but  use this to
figure out what axis you want to turn around.
http://www.ros.org/wiki/geometry/CoordinateFrameConventions
It's probably the Z axis, which means you want to change the yaw
value. Also, be sure to use radians.

-DL!!

On Fri, Aug 26, 2011 at 4:46 PM, Medi-Care Robotics
<itsmyrobot@gmail.com> wrote:
> I am making a roboy model at the moment. I seem to have a problem and can't find any info about it.
>
> As rviz loads the model it is viewed in default position. For me this (should) mean(s) i see the back of the robot.
>
> Now i need to know how i can change the "RPY" values. I'm trying to rotate a shape like you would turn your head from left to right. For 90 degrees that is. Wich value (r,p or y) should i change and to what? I can't seem to get it right.
>
>
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