<launch>
<node pkg="turtlesim" type="turtle_teleop_key12312" name="turtlesim_teleop_keyboard" output="screen">
<remap from="turtle1/cmd_vel" to="/wtf_CmdVel" />
</node>
<node pkg="turtlesim" type="turtle_teleop_key12312" name="turtlesim_teleop_keyboard" output="screen">
<remap from="turtle1/cmd_vel" to="/wtf_CmdVel" />
</node>
</launch>
that type meas the actual node of the motherfucker pkg node.
https://stackoverflow.com/questions/43515772/subscribing-and-publishing-geometry-twist-messages-from-turtlesim?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa
that shits are about the motherfuck geometry::Twist message mother fucker
TurtleSim键盘控制与消息发布

本文介绍了一个使用TurtleSim的示例launch文件,该文件定义了如何通过键盘来控制TurtleSim中的海龟,并将键盘输入映射到自定义的/cmd_vel话题上。此外,还涉及到了geometry_msgs/Twist消息类型的使用。
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