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Tutorials/Demos/Logging: Added note about colorizing ros2 launch (backport #5726) #5727

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Jun 11, 2025
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Tutorials/Demos/Logging: Added note about colorizing ros2 launch (backport #5726) #5727

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5 changes: 5 additions & 0 deletions source/Tutorials/Demos/Logging-and-logger-configuration.rst
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Expand Up @@ -446,6 +446,11 @@ You should see that debug, warn, error and fatal logs aren't colorized now.
If it is forced you will get a new warning saying that colorization failed.
The default behavior already checks if the output is a console or not, so forcing colorization is not recommended.

.. note::

If you start several nodes via ``ros2 launch``, no node has an active terminal attached to it (unless you set ``emulate_tty=True``).
This means that to get colorized output for ``ros2 launch``, you need to set ``RCUTILS_COLORIZED_OUTPUT=1`` explicitly.

Default stream for console output
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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