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2021-11-02 23:55:35 -0500 received badge  Teacher (source)
2014-04-04 03:04:52 -0500 commented answer Something wrong with TF tutorial

i am sorry very much for this. I have fixed out this can add this code [-----listener.waitForTransform("/turtle2", "/turtle1", ros::Time(0), ros::Duration(3.0));----] above your lookupTransform will be all right~

2014-04-03 16:43:53 -0500 answered a question Something wrong with TF tutorial

Hi,I meet the same wrong with you.if you have solved the problem,can you tell me how to do for it? Thank you very much !My Email am waiting for your answer my friend!