This package is used for utilizing the keep-out zone for the navigation using ROS2. This part of the place will not be considered for doing the navigation. It will be useful in industrial settings where certain area are having restricted movements.
After edit in GIMP, we can make as follow.
The keepout parameter(keepout_params.yaml)
For more details refer the following documentation:
https://navigation.ros.org/tutorials/docs/navigation2_with_keepout_filter.html