rosrun gmapping slam_gmapping scan:=/scan problem

asked 2021-06-14 08:00:50 -0600

islemhm gravatar image

hello ihave a problem when i run : rosrun gmapping slam_gmapping scan:=/scan and it show me this error message " [ WARN] [1623675167.536135530, 1039.105000000]: MessageFilter [target=odom ]: Dropped 100.00% of messages so far. Please turn the [ros.gmapping.message_filter] rosconsole logger to DEBUG for more information. " and it show me in rviz "no map received" any one can help me plzz i use ubuntu 18.04 and ros melodic

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In what context are you running this?

Do you have something on the robot/setsup that is generating an odom -> base_link tf?

JackB gravatar image JackB  ( 2021-06-14 08:53:06 -0600 )edit

@JackB i use it to create a Map using Gmapping in ROS Simulation

islemhm gravatar image islemhm  ( 2021-06-14 10:34:57 -0600 )edit

Answer the second questions please

JackB gravatar image JackB  ( 2021-06-14 15:01:38 -0600 )edit

@JackB no i don't have

islemhm gravatar image islemhm  ( 2021-06-14 15:42:46 -0600 )edit

Well you need to find something to generate that transform. The lack of that tf is what the error is I think

JackB gravatar image JackB  ( 2021-06-14 15:46:10 -0600 )edit

@JackB how i can generate tf

islemhm gravatar image islemhm  ( 2021-06-14 15:50:15 -0600 )edit