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In productionProbeginnertf2 frames

The tf tree is disconnected

Connect the laser to the robot by naming the parent frame correctly.

Pairs with Coordinate frames with tf2 in Learn ROS 2 from the basics. Read the concept first, then diagnose it here.

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Operator report

`view_frames` shows `laser` on a separate tree from `base_link`.

Ubuntu 24.04, ROS 2 Jazzy, rclpy, a single-package browser workspace

01

System boundary

Trace only the relevant path.

3 nodes
  1. 01static transform→
  2. 02frame names→
  3. 03connected tf treeOUT
02

How this lab works

You diagnose it. No command list.

Open the repair workspace and gather your own evidence in a real terminal. No diagnostic commands are handed to you - finding the fault is the exercise. Stuck? Progressive hints unlock inside the workspace.

03

Verification

Pass more than the visible symptom.

4 checks
  • Parent frame is base_link
  • The tf tree is connected
  • Hidden regression behavior
  • Root cause explanation