ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange |
1 | initial version |
From your images, it looks like something wrong with the rotation odometry. GMapping can usually close loops for small rotational errors, but once that gets large, the map will mess up badly.
Have you run through these yet?
http://www.ros.org/wiki/navigation/Tutorials/RobotSetup
http://www.ros.org/wiki/navigation/Tutorials/Navigation%20Tuning%20Guide