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Location of robot

asked 2013-12-05 05:12:56 -0500

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Sorry for the noob question but im kind of lost and confused. When i have a robot, pioneer 3dx, and im using navigation and gmapping to make it navigate a environment, when i want to know where am i or my position and orientation how can i accomplish this? I am confused to which topic gives me this information, and also how can i obtain that information. I really appreciate some help thanks

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answered 2013-12-05 23:03:25 -0500

dornhege gravatar image

If the robot is using a standard setup, the robot's location is defined to some/multiple frames. It's position in the map is usually given by the /map -> /base_link tf transform.

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@dornhege How can i subscribe to this topic??

ctguell gravatar image ctguell  ( 2013-12-12 04:05:15 -0500 )edit

Use a TFListener. Check out the tf tutorials for an example.

dornhege gravatar image dornhege  ( 2013-12-12 22:47:48 -0500 )edit

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Asked: 2013-12-05 05:12:56 -0500

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Last updated: Dec 05 '13