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How to setup Hokuyo URG-04LX-UG01in tutorial MappingFromLoggedData

asked 2013-09-20 00:15:19 -0500

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Hello I am new to ros

I am running the tutorial MappingFromLoggedData and using the existing bag recommended in the tutorial. However, when I run rosrun gmapping slam_gmapping scan:=base_scan, the map in rviz is some preset map. If i try to create my own bag, it will show "/use_sim_time set to true and no clock published. still waiting for valid time." Is there anything that I do it wrongly? Or is the topic i subscribed to during the rosrun gmapping is wrong?

Thank you.

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answered 2013-11-11 14:36:03 -0500

cognitiveRobot gravatar image

Hi there, before recroding your bag run $rosparam set use_sim_time false

let me know if it works.

@Lili Meng. if you get same problem, then add a comment instead of your answer to keep the thread organized.

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answered 2013-09-27 13:28:11 -0500

I have the same problem with yours

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Asked: 2013-09-20 00:15:19 -0500

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Last updated: Nov 11 '13