完善描述文档
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README.md
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README.md
@ -1,7 +1,7 @@
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# <p align="center">ROS_Learn</p>
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## 实验一
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### ROS-noetic安装,应用于Ubuntu20.04lts<br>注:最好全程使用root权限
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#### 1.切换ubuntu软件源,访问清华源来提升下载速度。
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切换ubuntu软件源,访问清华源来提升下载速度。
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```c
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sudo vim /etc/apt/sources.list # 进入apt下载源文件
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```
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@ -24,6 +24,7 @@ deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted
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deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
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```
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vim中按`Esc`退出编辑模式,按`Shift+;`进入命令输入模式输入`wq`保存退出。<br>
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<br>
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在命令行中输入下列命令添加ROS源地址。
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```c
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sudo sh -c 'echo "deb http://mirrors.tuna.tsinghua.edu.cn/ros/ubuntu focal main" > /etc/apt/sources.list.d/ros-latest.list'
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@ -73,7 +74,7 @@ chmod +x /路径
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# 将文件/文件夹可编辑权限赋予某用户
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sudo chown -R 用户名:用户名 /路径
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```
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#### 2.启动roscore
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#### 启动roscore
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```c
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roscore
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```
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@ -115,7 +116,7 @@ catkin_make
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```
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设置文件可执行权限
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```c
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chmod +x scripts/程序名.py
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chmod +x /文件路径/程序名.py
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```
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添加环境变量(所有新终端窗口要执行下列命令)
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```c
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@ -137,9 +138,13 @@ rosrun Topic_Newsletter Publisher_TN.py
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```c
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rviz
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```
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将RViz左侧 Global Options 面板中 Fixed Frame 设为 map (默认无需修改)。
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将RViz左侧 Global Options 面板中 Fixed Frame 设为 map (默认无需修改)。<br>
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在 Displays 面板中,点击 Add,添加 Marker 类型。
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### 结果图
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终端运行数据结果:<br>
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RViz图像:<br>
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## 实验三
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### ROS中服务端和客户端
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编译工作空间
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@ -148,7 +153,7 @@ catkin_make
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```
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设置文件可执行权限
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```c
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chmod +x scripts/程序名.py
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chmod +x /文件路径/程序名.py
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```
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添加环境变量
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```c
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@ -168,11 +173,16 @@ rosrun Service Subscriber_Client_S.py
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```
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启动发送端(终端D)
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```c
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rosrun Service Publister_S.py
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rosrun Service Publisher_S.py
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```
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启动RViz(终端F)
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```c
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rviz
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```
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将RViz左侧 Global Options 面板中 Fixed Frame 改为程序中的 world 。
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将RViz左侧 Global Options 面板中 Fixed Frame 改为程序中的 world 。<br>
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在 Displays 面板中,点击 Add,添加 Marker 类型。
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### 结果图
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终端运行数据结果:<br>
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RViz图像:<br>
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