# Global_costmap vs static_map

Let's say that we are trying to map a Gazebo environment using the slam_gmapping node inside the gmapping package. Also, assume that move_base node is running as well.

Also, let's say that, in our Rviz display, we are visualizing global costmap, local costmap and static map.

I want to know why is there a difference in how the global_costmap and map look? Shouldn't global_costmap appear exactly like map (and some inflation) ?

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