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ROS Developers LIVE-Class #24: How to create basic markers in ROS Rviz

by Ricardo Tellez | Jun 22, 2018 | ROS LIVE-Class, ROS Q&A

In this ROS LIVE-Class we’re going to learn how to create a marker to be displayed in ROS Rviz. Markers are special graphics that we can use in Rviz to display data generated by the robot. For example, we can create a marker that shows a person figure at the...

[ROS Q&A] 130 – How to launch multiple robots in Gazebo simulator?

by Arif Rahman | Jun 19, 2018 | ROS Q&A

In this video, we are going to see how can we launch multiple robots in a single Gazebo simulation. We will be introduced to the concept of namespace and tf_prefix, which are essential to make sure that the robots will be able to work correctly. We will create...

[ROS Projects] OpenAI with Moving Cube Robot in Gazebo Step-by-Step Part1

by Miguel Angel | Jun 18, 2018 | Robotics with ROS

In this new ROS Project you are going to learn Step-by-Step how to create a moving cube and that it learns to move using OpenAI environment. Part 1: Creation of the URDF and Control Systems Part 2: Basics of Reinforcement learning and Connect to the various...

[ROS Q&A] 128 – Can’t access messages of the ROS topic Publisher

by Alberto Ezquerro | Jun 18, 2018 | ROS Q&A

In this video we are going to see why a user can't access the message that he is publishing into a topic using a ROS Publisher. This is a video trying to answer the following question posted at the ROS answers forum:...

[ROS IN 5 MIN] 011 – What is catkin_make & how do you use it?

by Ruben Alves | Jun 18, 2018 | ROS Q&A

Hello ROS Developers! In this ROS in 5 min tutorial, we're going to see what catkin_make is, how it works, and what its advantages are. For that, we are going to use Robot Ignite Academy. But before we start, if you are new to ROS and want to Learn ROS fast, I...