No tf from some link to some link

melodic

asked 2022-10-25 04:33:09 -0600

marvelousluke
20 ●2 ●3

updated 2022-10-26 02:13:12 -0600

ravijoshi

1744 ●66 ●163 ●103 https://ravijoshi.xyz

I am new to ROS and I am working on OpenMANIPULATOR-X. Problems showed up as I try to use RViz. Error occurred to Robot Status showing No tf from some link to some link.

I know joint_state_publisher should be responsible for this and as I tapped command rostopic list, the topic joint_states is listed. The same happens to the node joint_state_publisher when I gave the command rosnode list.

However, when I input rosrun tf view_frames,I get a frame with only two links which indicates obviously that my joint_state_publisher is not working properly.

So I am really in need of someone who can help with this issue.

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It would be more helpful to see the actual message instead of "some link" in No tf from some link to some link.
Please edit your question and add a link to the repository you followed for the package installation.

ravijoshi ( 2022-10-26 02:10:44 -0600 )edit

Just a quick note: joint_state_publisher publishes JointState msgs, it does not broadcast TF transforms. That's robot_state_publisher's job.

And actually, if you have a "robot driver" node, I would not expect a joint_state_publisher instance in the node graph (unless it's used to combine different topics into a single one).

gvdhoorn ( 2022-10-27 01:24:50 -0600 )edit

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