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Hello. I'm now working on navigation stack in hydro. I want to use a global costmap to implement a new algorithm for path planning. So I created a node and subscribe to /move_base/global_costmap/costmap which is nav_msgs::OccupancyGrid type. The problem is this node receive costmap only one time when it come up and never update. In rviz everything is fine. Any idea ?
You also need /move_base/global_costmap/costmap_updates
Sorry but i'm quite new to navigation with ros, could you please tell me how to use /move_base/global_costmap/costmap_updates for updating maps. thankyou
Asked: 2014-03-12 03:56:33 -0500
Seen: 352 times
Last updated: Mar 15 '14
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