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Hi, i'm trying to use nav2d package on turtlebot3 for autonomous exploration(third tutorial). When i launch it, everything seems to work, except for the fact that rqt_console shows the warning "Laser reading not between range_min and range_max!". Looking the messages published on /scan topic it says range max is 3.5 meters and actually some reading goes beyond this distance. The point is: how can i modify that value? Because i've tried modifying in Sensor.cpp the Custom laser range, but that doesn't work and also on yaml files i don't find any parameter referring to my laser range. Thanks for help!!


Originally posted by ryuzaki on ROS Answers with karma: 3 on 2018-06-08

Post score: 0

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According the specification of the laser scan message any depth measurements outside of the min-max range should be treated as erroneous and ignored.

As such I would assume these warnings can be safely ignored.


Originally posted by PeteBlackerThe3rd with karma: 9529 on 2018-06-08

This answer was ACCEPTED on the original site

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Original comments

Comment by ryuzaki on 2018-06-10:
Thanks for your answer. That's what i've done in the end and actually everything works. Just out of curiosity, is there any way to modify that or it's a way to prevent possible readings' inaccurancy beyond laser's range_max?

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