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AMCL fails to load map [closed]

asked 2013-04-05 09:51:29 -0600

updated 2014-01-28 17:16:03 -0600

ngrennan gravatar image


I am trying to navigate around a map that I built using the husky navigation gmapping demo. I have built the map and saved it in my home folder. When I try to run the amcl demo it fails though. I get the code:

core service [/rosout] found
process[map_server-1]: started with pid [18464]
[ERROR] [1365180853.546403072]: Map_server could not open ~/map1.yaml.
process[amcl-2]: started with pid [18475]
process[move_base-3]: started with pid [18572]
[map_server-1] process has died [pid 18464, exit code 255, cmd /opt/ros/groovy/stacks/navigation/map_server/bin/map_server ~/map1.yaml __name:=map_server __log:=/home/lemur2/.ros/log/cbfe7674-9e0e-11e2-ac94-0090f5c994bc/map_server-1.log].
log file: /home/lemur2/.ros/log/cbfe7674-9e0e-11e2-ac94-0090f5c994bc/map_server-1*.log

When I look for the log file there is nothing there. Any ideas about what is going on?

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Closed for the following reason the question is answered, right answer was accepted by Icehawk101
close date 2013-04-06 09:53:45


Does the file ~/map1.yaml exist?

dornhege gravatar image dornhege  ( 2013-04-05 10:39:32 -0600 )edit

Indeed it does.

Icehawk101 gravatar image Icehawk101  ( 2013-04-05 10:49:43 -0600 )edit

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answered 2013-04-06 09:53:28 -0600

Not really a full answer, but I found out that I can have amcl use the /map topic rather than a saved map. I tried that and it no longer gave me the error. amcl is still not working, but that is for another thread.

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Can you please explain how exactly you use the map topic with amcl?

schultza gravatar image schultza  ( 2014-09-12 02:35:44 -0600 )edit

You need to load a map using the map_server node, and then set the use_map_topic argument in amcl to true.

Icehawk101 gravatar image Icehawk101  ( 2014-09-29 09:33:22 -0600 )edit

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Asked: 2013-04-05 09:51:29 -0600

Seen: 1,378 times

Last updated: Apr 06 '13