[ROS in 5 mins] 013 – What is a ROS Package

What-is-a-ROS-Package

Written by Ruben Alves

25/06/2018

 

Hello ROS Developers!

In today’s video we are going to see what are ROS Packages, see their basic structure and also see how to navigate among them.

For that, we are going to use Robot Ignite Academy, which is available here

But before we start, if you are new to ROS and want to Learn ROS Fast, I recommend you to take any of the following courses on Robot Ignite Academy:

ROS Basics In 5 Days (Python) 
ROS Basics In 5 Days (C++)

Whether you like the video or not, or if you want to learn about specific ROS subjects, please leave a comment on the comments section below, so we can interact and learn from each other.

Step1. Create a project in Robot Ignite Academy(RIA)

We have the best online ROS course available in RIA. It helps you learn ROS in the easiest way without setting up ROS environment locally. The only thing you need is a browser! Create an account here and start to browse the trial course for free now!

Step2. Create a package

We’ll go to the ROS in 5 Days(C++) course today. Let’s go to 2nd part-ROS Basics and start by creating a package

cd ~/catkin_ws/src
catkin_create_pkg my_package rospy

With the command, ROS will create a package with the CMakeLists.txt and package.xml files automatically for compiling and building. The package is the basic building block for ROS project. Basically, every ROS application is built with packages. Take the following command as an example

roslaunch turtlebot_teleop keyboard_teleop.launch

Where the turtlebot_teleop is a ROS package and keyboard_teleop.launch is a launch file in this package.

In the RIA, all the packages you’ll need is already installed for you. The only thing you need to do is focus on learning ROS!

 

Edit by: Tony Huang

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