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When i using this commend
roslaunch turtlebot3_slam turtlebot3_slam.launch
moving the robot will update the map
but i using this commend
roslaunch turtlebot3_navigation turtlebot3_navigation.launch
i change the base_scan to my laser, but i don't know why still here The robot move to the target , map not update Anyone can tall what i am missing?
SLAM is mapping here. And navigation is localization within a known (static) map. It does what it should do. You could take a look at slam_toolbox its an alternative to gmapping (used in your turlebot example), with many more features. It can expand/refine the map in multiple sessions, though I dont know if it can be done during localization.
Asked: 2021-12-03 04:07:02 -0500
Seen: 241 times
Last updated: Dec 03 '21
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By reading documentation for SLAM launcher and for navigation launcher you can see, that only the first one launches SLAM. Second one only navigates TB3 on the map. As I understood, you want to have SLAM and navigation at the same time, right?
very close, but I mean when the robot turns around and the lidar will follow the robot turns. The lidar will not match the map. However, thank for your help