ros-perception / ar_track_alvar

AR tag tracking library for ROS

Home Page:www.ros.org/wiki/ar_track_alvar

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Problems and warning with multiple tags with same ID

Alessio-Parmeggiani opened this issue · comments

Hi, I have a problem using individualMarkersNoKinect.
In my case there are multiple tags with the same ID, 4 of them, one of each side of a cube.
I get a warning repeatedly with:
TF_REPEATED_DATA ignoring data with redundant timestamp for frame ar_marker_1 at time 171,390000 according to authority unknown_publisher

I think the cause is having multiple tags, do you know how I can get rid of this problem and what is the best way to consider multiple tags with the same ID?
Can bundles and multi-tag node used in this case?