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@@ -139,7 +139,7 @@ C[rviz2]
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这里我们用到了`joint_state_publisher_gui`和`robot_state_publisher`两个包,如果你的系统没有安装这两个包,可以手动安装:
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```
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-sudo apt install ros-$ROS_DISTRO-joint-state-publisher-gui ros-$ROS_DISTRO-joint-state-publisher
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+sudo apt install ros-$ROS_DISTRO-joint-state-publisher-gui ros-$ROS_DISTRO-robot-state-publisher
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```
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> `joint_state_publisher_gui`,还有一个兄弟叫做`joint_state_publisher`两者区别在与`robot_state_publisher_gui`运行起来会跳出一个界面,通过界面可以操作URDF中能动的关节
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