How to mark location in occupancy grid map?

Posted by yincanben on
URL: http://official-rtab-map-forum.206.s1.nabble.com/How-to-mark-location-in-occupancy-grid-map-tp79.html

Hello,
    When I built a occupancy grid map,Then I want to navigation with it. I can obtain the actual location in the world frame.How to establish corresponding relationship between the location in the occupancy grid map and the location of in the real world?
    Also,I want to inquire how to save the occupancy grid?I have tried to run map_server,but it can't work.
    Thank you in advance.