Home Courses Hello (Real) World with ROS – Robot Operating System Course materials Lectures 3.0.2 Recap on Inspection

3.0.2 Recap on Inspection

Course subject(s) Module 3. Autonomous Navigation

In this module, we will quickly refresh some essential contents of module 1 and 2 of the course. This way you don’ t need to go back to the previous lectures.

  • A ROS Node is an information processing software unit
  • A ROS Topic transports information between nodes
  • To inspect a running application you can use the following commands
      • rosnode list — List the currently running nodes on the terminal
      • rostopic list — List he currently running topics on the terminal
      • rqt_graph — Gives a visual representation of the ROS “Node Graph”
  • Similar commands exist for the inspection of topics. Go to the “ROS cheat sheet” on the course page to find these.
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Hello (Real) World with ROS - Robot Operating System by TU Delft OpenCourseWare is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at https://online-learning.tudelft.nl/courses/hello-real-world-with-ros-robot-operating-systems//.
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