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/rosout node is the one who publishes topics when I send rostopic pub ?

asked 2021-01-13 23:53:51 -0600

Toshi gravatar image

Hey guys, I am new to ROS and starting to understand what happens in ROS so when I publish something like

$ rostopic pub -1 /turtle1/cmd_vel geometry_msgs/Twist -- '[2.0, 0.0, 0.0]' '[0.0, 0.0, 1.8]'

Is it /rosout node responsible for publishing this topic or does Terminal have its own properties that can publish and subscribe to topics?

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answered 2021-01-14 00:02:40 -0600

gvdhoorn gravatar image

updated 2021-01-14 00:03:25 -0600

Is it /rosout node responsible for publishing this topic or does Terminal have its own properties that can publish and subscribe to topics?

No to both actually. rostopic is its own publisher.

rosout (well, really rosout_agg) is basically stdout, but then for a complete ROS application (ie: all ROS nodes running).

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Asked: 2021-01-13 23:53:51 -0600

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Last updated: Jan 14