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I am trying to run slam_gmapping on a seperate device as my sensor nodes (robot), I can subscribe to the topics, but my published map is empty?

Quick troubleshooting. If you try and echo the topic on the nodes, do you get output? rostopic echo /map If you do not get any output then it's possible it's not ...
jgauthier's user avatar
  • 141
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ROS topics and Rviz not working for LiDAR gmapping (/map)

Your error message is pretty descriptive: "simulation time is active" is at least the starting point of your error. Based on the launch files posted, it appears that the issue would be in ...
Mike Ferguson's user avatar
1 vote

ROS/ROS2 mapping and path following with skid-steering robot and Velodyne 3D laser

Check out the Linorobot2 github repo. I had success with just such a robot as you describe using that software. https://github.com/linorobot/linorobot2 He has a repo called "hardware" that ...
Russ76's user avatar
  • 44

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