[ros-users] GPS measurements on PR2 Simulator in Gazebo

[Tully Foote]

Hi Tina,
Could  you provide a little more details about what you want to be able to
do with the GPS?  Most GPS units are not well suited for odometry but are
good at localization.  There's a draft proposal explaining common navigation
frames here http://www.ros.org/reps/rep-0105.html

There are also a bunch of tutorials on how to use the navigation stack at
http://www.ros.org/wiki/navigation/Tutorials
 This one in particular you may find useful
http://www.ros.org/wiki/navigation/Tutorials/RobotSetup/Odom  For setting
the pose amcl uses the initialpose topic.  You can set it through rviz
http://www.ros.org/wiki/navigation/Tutorials/Using%20rviz%20with%20the%20Navigation%20Stack

Tully

On Sun, Oct 31, 2010 at 6:00 PM, Tina Chou <tina20one at gmail.com> wrote:

> I am interested in publishing Odometry messages sent by the GPS sensor to
> the ROS topic '/odom,' but the documentation on ROS wiki only provides a generic
> example <http://www.ros.org/wiki/robot_pose_ekf/Tutorials/AddingGpsSensor>of how to add a GPS sensor input to the Robot Pose EKF Filter. Any
> suggestions for more detailed information about obtaining/setting GPS
> coordinates of PR2 would be much appreciated!
>
> Tina
>
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-- 
Tully Foote
Systems Engineer
Willow Garage, Inc.
tfoote at willowgarage.com
(650) 475-2827
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