I need to convert some 3D-maps made with rgbdslam/rtabmap-slam into 2D gridmaps, but really don't know where to start. Can someone please answer me some question to get this done?
1.) rgbdslam: can save octomaps over GUI but the file extension of saved files is pcd instead of bt/ot. Why?
2.) read a lot about saving maps while processing with "rosrun map_server map_saver -f filename". Tried that while rgbdslam/rtabmap where running - response is always: "waiting for map". Do I have to install octomap_server into the same workspace as both slams? And if thats the solution, will I finally have a 2D gridmap by running this command?
As you can see on my questions, I'm a newbie. I know this question has been asked and answered multiple times before though i was not able to make it. I would really appreciate it if someone could help me out.
THANK YOU
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