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from ros.org, it said "octomap_server loads a 3D map (as Octree-based OctoMap) and distributes it to other nodes in a compact binary format". so how can i convert those binary format to a real 2d pmg format map.

as the title

what i want is, through the conversion, it will give me a 2d map. pmg format

i am trying to convert 3d map to 2d map, is there any structure or code for that? tell me how to do it. any format is fine. it does not matter. Thanks a lot!!!!!!

yes,actually, it does not matter, just give one...

can you write more details about it? how can i get the package?

is there anyone can give me a real map produced by gmapping or other technique? by 'real', i mean a real map generated by a robot or similar algorithm, complete with noise,inaccuracies,etc.

yes, but i want a real map....like the first floor or second floor of a building, something like that.....

i am trying to convert 3d map to 2d map, is there any structure or code for that? tell me how to do it. Thanks a lot!!!!!!

yes, but there is nothing on the picture......I want a map!!!!

I am trying to get a 2d map. I am following the slam_gmapping tutorial MappingFromLoggedData.

I get the bag, and I do rosmake gmapping and roscore after I did rscore, I brought up the master. my question is what should I do next... should I start a new terminal, and then do rosparam set use_sim_time true or something else? when I am in the master, I enter some commands, but it does not respond to me... I am trying to skip this two steps, and go directly to the rosbag play <bag> I run the rosbag and it is done. I am tring to get the map, so I ran rosrun map_server map_saver, but it is an error: [rospack] Error: stack/package map_server not found

can anyone tells me how to deal with that?

who can tell me how can I build a fake 2D map, I need the data for the the map, or is there anyone can just give me the data for the 2D map (I can accept every map)