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[ROS Q&A] Navigate with RTAB-Map

by Alberto Ezquerro | Nov 13, 2017 | ROS Q&A

In this video we show how to Navigate using the move_base node combined with RTAB-Map. See question: https://answers.ros.org/question/275410/navigation/ Q: I have obtained a map using RTAB-Map. Now I want to use the point...

[ROS Q&A] How to use GetModelState service from Gazebo in python

by Ruben Alves | Nov 9, 2017 | ROS Q&A

In this video we show how to get the model state of a model in Gazebo using ROS Topics with Python. See question: https://answers.ros.org/question/261782/how-to-use-getmodelstate-service-from-gazebo-in-python/ Q: I try to...

[ROS Q&A] Publishing and Subscribing a custom message

by Marco Arruda | Nov 8, 2017 | ROS Q&A

Q: writing a publisher and subscriber and unsure how to finish it A: I have create a package (my_pkg) with two nodes, trying to reproduce your situation.. It is like that: catkin_create_pkg my_pkg rospy std_msgs...

[ROS Q&A] buoyancy neutral object goes up with hydrodynamics plugin

by Miguel Angel | Nov 7, 2017 | ROS Q&A

What will you learn in this post Understand how to use the buoyancy plugin in gazebo List of resources used in this post The question on Gazebo Answers A live version of this post on YouTube: https://youtu.be/NgmvhSEM5SQ Let's get started This post is an answer to a...

[ROS Q&A] 053 – How to Move a Robot to a Certain Point Using Twist

by Ricardo Tellez | Nov 6, 2017 | ROS Q&A

Question of the video: How to move to a certain point in space using Twist /cmd_vel? (https://answers.ros.org/question/273384/how-to-move-to-a-certain-point-in-space-using-twist-cmd_vel/) https://youtu.be/eJ4QPrYqMlw Answer: what you are talking about is called Robot...