# ros base env



## use py3 with ros

```bash

source ...../python3
pip install catkin_pkg pyyaml empy rospkg numpy
mkdir -p catkin_ws/src      # 用户开发目录
cd catkin_ws
catkin_make

cd ~
mkdir -p catkin_base/src    # 第三方包编译目录
cd catkin_base/src 
git clone https://github.com/ros/geometry
git clone https://github.com/ros/geometry2
cd ..
catkin_make

```


## 安装依赖包

```bash

rosdep install --from-paths src --ignore-src --rosdistro=${ROS_DISTRO} -y

```