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mje-nz / natnet_ros

NatNet 3 ROS driver
BSD 3-Clause "New" or "Revised" License
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Fixed Frame [map] does not exist #9

Closed knightsamar closed 5 years ago

knightsamar commented 5 years ago

Environment Motive version: 2.1.1 ROS distribution: Kinetic Operating system: Ubuntu 16.04.6 Python version: 2.7.12

natnet_ros version Screenshot from 2019-09-04 17-39-04

natnet_ros branch: dev natnet_ros commit: 94127eb python_natnet branch: dev python_natnet commit: 0aecc86

Describe the bug When trying to visualize the topics containing data received from Motive, using rviz , I get the error For frame [mocap]: Fixed Frame [map] does not exist. This happens for real Motive data as well as for fake data that can be produced with the natnet-ros package.

As you can see in the screenshot, I am trying to visualize the /mocap/rigid_bodies/RaceTracker/pose topic. Looking on the Internet, it seems like I need a tf topic but I do have it except it cannot be visualized.

Am I using the rviz tool wrong or is this a problem with the library? If the latter, how can I help fix it?

mje-nz commented 5 years ago

Thanks for the report!

This error means that the tf frame rviz is using to visualise the data (map) is not being published by anything. You need to set the "Fixed frame" option to a real frame from your system. If all you have running is the natnet_ros client, set it to mocap.

knightsamar commented 5 years ago

That worked. Thank you!