Simple ROS turtlesim example

To run the ROS2 humble example

Run this in two terminals.

pixi run start

Select the default environment for all of the humble examples.

And then

pixi run teleop

It is also possible to start a shell in the environment. There you can run any of the commands available in the environment.

pixi shell
ros2 topic echo /turtle1/cmd_vel

Now run a script to visualize the turtle in rviz

Run this in two more terminals.

pixi run rviz

pixi run viz

To run the ROS1 Noetic example

Run this in three terminals.

# Start roscore
pixi run -e noetic core

or without -e noetic and select the noetic environment for all of the noetic examples.

# Start turtlesim
pixi run -e noetic start

pixi run -e noetic teleop

It is also possible to start a shell in the environment. There you can run any of the commands available in the environment.

pixi shell -e noetic
rostopic echo /turtle1/cmd_vel

Now run a script to visualize the turtle in rviz

Run this in two more terminals.

pixi run -e noetic rviz

pixi run -e noetic viz

Add the visual marker for the turtle to the displays in rviz.

If you now teleop the turtle, you should see it move in rviz aswell now.