Attention: Answers.ros.org is deprecated as of August the 11th, 2023. Please visit robotics.stackexchange.com to ask a new question. This site will remain online in read-only mode during the transition and into the foreseeable future. Selected questions and answers have been migrated, and redirects have been put in place to direct users to the corresponding questions on Robotics Stack Exchange. Additional details are available here.

Revision history [back]

You need to make sure that you are providing all the inputs which gmapping is expecting before it will start operating. See it's ROS API on the wiki

You can also use a tool like rxgraph to make sure that it's all hooked up correctly. Note that the turtlebot launchs do some remapping.

ROS Answers is licensed under Creative Commons Attribution 3.0 Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.