# Revision history [back]

It is not obvious from your description how you are loading the prior map into amcl. Are you running a map server in conjunction with it?

Also, could you post the output of amcl? You can modify your launch file to say

 <node pkg=... type=... node=... output="screen">


for example, or find the appropriate log file.

It is not obvious from your description how you are loading the prior map into amcl. Are you running a map server in conjunction with it?

Also, could you post the output of amcl? You can modify your launch file to say

 <node pkg=... type=... node=... output="screen">


for example, or find the appropriate log file.