map_saver#

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map_saver Quick Facts

Category

🧭 Navigation

Debian package

nav2_map_server-None

License

BSD-3-Clause

Source code

https://github.com/ros-navigation/navigation2/tree/main/nav2_map_server

Map Saver is a node running in background providing the /map_saver/save_map that reads maps expressed as OccupancyGrids from a ROS 2 topic and stores them in the filesystem.

To configure this node, please refer to the Nav2 Map Saver Configuration guide.

For more information about this node and its usage, check the nav2_map_server package.

Node management#

How to check the status of the node?#

# this  a copy-pastable snippet to check the status
# this  a copy-pastable snippet using rosnode/rostopic to check the node is working

How to access the node’s logs?#

# this  a copy-pastable snippet

How to start/stop/restart the node#

# this  a copy-pastable snippet

Using in your code/application#

Access via the robot’s GUI#

[insert screenshots here]

Access via ROS standard tools#

# this  a copy-pastable snippet

[insert screenshots here]

Using in Python#

# this  a copy-pastable snippet

Using in C++#

# this  a copy-pastable snippet

Reference#

Subscribed topics#

Published topics#

Actions server#

Actions client#

Services#