Noetic:

1:
sudo sh -c '. /etc/lsb-release && echo "deb http://mirrors.tuna.tsinghua.edu.cn/ros/ubuntu/ `lsb_release -cs` main" > /etc/apt/sources.list.d/ros-latest.list'
  2:
sudo apt-key adv --keyserver 'hkp://keyserver.ubuntu.com:80' --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654
  3:
sudo apt update
  4:安装
sudo apt install ros-noetic-desktop-full
  5:配置
source /opt/ros/noetic/setup.bash
  Bash:
echo "source /opt/ros/noetic/setup.bash" >> ~/.bashrc
source ~/.bashrc
  Zsh:
echo "source /opt/ros/noetic/setup.zsh" >> ~/.zshrc
source ~/.zshrc
  ros-noetic-desktop-full (1.5.0-1focal.20200724.201236)   sudo apt install ros-noetic- Display all 1048 possibilities? (y or n)

Foxy:

1:
sudo locale-gen en_US en_US.UTF-8
sudo update-locale LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8
export LANG=en_US.UTF-8
  2:
sudo apt update && sudo apt install curl gnupg2 lsb-release
  3:
sudo gedit /etc/apt/sources.list.d/ros2-latest.list

deb [arch=amd64,arm64] https://mirrors.tuna.tsinghua.edu.cn/ros2/ubuntu/ focal main
  4:
sudo apt update
  5: 安装
sudo apt install ros-foxy-desktop
  6: 配置
source /opt/ros/foxy/setup.bash
  ros-foxy-desktop (0.9.2-1focal.20200807.222642) sudo apt install ros-foxy- Display all 815 possibilities? (y or n)   7:
sudo apt install python3-argcomplete
  配置:Noetic和Foxy切换(Bash)  
# ROS 1.0 noetic or ROS 2.0 foxy
echo Hello, ROS 1.0 or ROS 2.0? 1=noetic 2=foxy 
read ROS
if (($ROS==1));then
source /opt/ros/noetic/setup.bash
#export ROS_PACKAGE_PATH=/home/ros/RobTool/ROS1/Wiki/src:/home/relaybot/RobTool/Cozmo/ros/src:$ROS_PACKAGE_PATH
#source /home/ros/RobTool/ROS1/Wiki/devel/setup.bash
#export ROS_MASTER_URI=http://192.168.1.100:11311
#export ROS_IP=192.168.1.100
echo "noetic"
elif (($ROS==2));then
source /opt/ros/foxy/setup.bash
echo "foxy"
else
echo "Non-ROS"
fi
 

rosdep:

  案例:   使用新立得软件工具安装deb包。     点击应用:  
实物如上:  
roslaunch mir_gazebo mir_maze_world.launch
  仿真如下:     环境图如下:     可以测试各类算法。   foxy-turtlebot3:   ign-gazebo-demos(ros1+ros2):  
$ roslaunch ros_ign_gazebo_demos air_pressure.launch        gpu_lidar.launch battery.launch             image_bridge.launch camera.launch              imu.launch create.launch              magnetometer.launch depth_camera.launch        rgbd_camera_bridge.launch diff_drive.launch          rgbd_camera.launch gpu_lidar_bridge.launch $ ros2 launch ros_ign_gazebo_demos -a                              imu.launch.py air_pressure.launch.py          magnetometer.launch.py battery.launch.py               -p camera.launch.py                --print -d                              --print-description --debug                         rgbd_camera_bridge.launch.py depth_camera.launch.py          rgbd_camera.launch.py diff_drive.launch.py            -s gpu_lidar_bridge.launch.py      --show-all-subprocesses-output gpu_lidar.launch.py             --show-args image_bridge.launch.py          --show-arguments
  Noetic:
  1. roslaunch ros_ign_gazebo_demos battery.launch
  2. rostopic pub /model/vehicle_blue/cmd_vel geometry_msgs/Twist "{linear: {x: 5.0}, angular: {z: 0.5}}"
  Foxy:
  1. ros2 launch ros_ign_gazebo_demos battery.launch.py
  2. ros2 topic pub /model/vehicle_blue/cmd_vel geometry_msgs/msg/Twist "{linear: {x: 5.0}, angular: {z: 0.5}}"
    电池耗尽机器人将停止运动!!!

ROS+ign_gazebo

演示如何将ign_gazebo与ROS一起使用的演示。

启动ign_gazebo

启动文件,例如:
ros2 launch ros_ign_gazebo ign_gazebo.launch.py ign_args:="shapes.sdf"
   
ros1使用roslaunch

空气压力

sensor_msgs/msg/FluidPressure。   发布流体压力读数。
ros2 launch ros_ign_gazebo_demos air_pressure.launch.py
 

相机

发布RGB相机图像和信息。   图像可以通过ros_ign_bridge或ROS ros_ign_image发布。   使用图像桥接(单向,使用image_transport):
ros2 launch ros_ign_gazebo_demos image_bridge.launch.py
  使用常规桥接:
ros2 launch ros_ign_gazebo_demos camera.launch.py
   

差速机器人

向差速驱动车辆发送命令并听其里程表。
ros2 launch ros_ign_gazebo_demos diff_drive.launch.py
  然后取消暂停并发送命令
ros2 topic pub /model/vehicle_blue/cmd_vel geometry_msgs/msg/Twist "{linear: {x: 5.0}, angular: {z: 0.5}}"
 

深度相机

深度相机数据可通过以下方式获得:
  • sensor_msgs/msg/Image,通过ros_ign_bridgeros_ign_image
  • sensor_msgs/msg/PointCloud2,通过 ros_ign_point_cloud
  使用图像桥接(单向,使用image_transport):
ros2 launch ros_ign_gazebo_demos image_bridge.launch.py
  使用ign_gazebo件:
ros2 launch ros_ign_gazebo_demos depth_camera.launch.py
   

GPU激光雷达

GPU激光雷达数据可通过以下方式获得:
  • sensor_msgs/msg/LaserScan,通过 ros_ign_bridge
  • sensor_msgs/msg/PointCloud2,通过ros_ign_bridgeros_ign_point_cloud
  使用桥接:
ros2 launch ros_ign_gazebo_demos gpu_lidar_bridge.launch.py
  使用ign_gazebo插件:
ros2 launch ros_ign_gazebo_demos gpu_lidar.launch.py
 

内部惯性导航单元

发布IMU读数。
ros2 launch ros_ign_gazebo_demos imu.launch.py
 

磁力计

发布磁场读数。
ros2 launch ros_ign_gazebo_demos magnetometer.launch.py
 

RGBD相机

RGBD摄像机数据可通过以下方式获得:
  • sensor_msgs/msg/Image,通过ros_ign_bridgeros_ign_image
  • sensor_msgs/msg/PointCloud2,通过ros_ign_bridgeros_ign_point_cloud
  使用图像桥接(单向,使用image_transport):
ros2 launch ros_ign_gazebo_demos image_bridge.launch.py
  使用常规桥接:
ros2 launch ros_ign_gazebo_demos rgbd_camera_bridge.launch.py
  使用ign_gazebo插件:
ros2 launch ros_ign_gazebo_demos rgbd_camera.launch.py
   

电池

获取电池的当前状态。
ros2 launch ros_ign_gazebo_demos battery.launch.py
  然后发送命令,使车辆行驶并消耗电池电量
ros2 topic pub /model/vehicle_blue/cmd_vel geometry_msgs/msg/Twist "{linear: {x: 5.0}, angular: {z: 0.5}}"