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2022-05-21 06:34:50 -0500 asked a question I can't understand pointcloud2 data

I can't understand pointcloud2 data Ubuntu 18.04 Ros Melodic rostopic echo /os_cloud_node/points header: seq: 573

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2022-05-05 14:39:50 -0500 asked a question Beginner question: OpenCV Error: Assertion failed, Ros

Beginner question: python versions error, opencv, ros1 melodic Ubuntu 18.04 Ros Melodic in the shell: python serit.py t