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answered 2021-01-17 06:58:07 -0600

agutenkunst gravatar image

This could have multiple reasons:

  1. The loglevel is configured above INFO so only WARN/ERROR is printed.

    • See http://wiki.ros.org/rosconsole#Configuration and debug using std::cerr and see if this generates output

  2. Maybe the topic is wrong

  • Check with rostopic list if the topic is available.
  1. The topic is right but there is no data published
  2. Use rostopic echo turtle2/pose to see if there is data on the topic

This could have multiple reasons:

  1. The loglevel is configured above INFO so only WARN/ERROR is printed.

    • See http://wiki.ros.org/rosconsole#Configuration and debug using std::cerr and see if this generates output

  2. Maybe the topic is wrong

  • Check with rostopic list if the topic is available.
  1. The topic is right but there is no data published
  • Use rostopic echo turtle2/pose to see if there is data on the topic

This could have multiple reasons:

  1. The loglevel is configured above INFO so only WARN/ERROR is printed.

    • See http://wiki.ros.org/rosconsole#Configuration and debug using std::cerr and see if this generates output

  2. Maybe the topic is wrong

  • Check with rostopic list if the topic is available.

  1. The topic is right but there is no data published
  • Use rostopic echo turtle2/pose to see if there is data on the topic
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