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[ROS Q&A] 079 – add AR tag in gazebo

by Miguel Angel | Dec 11, 2017 | ROS Q&A

Learn how to add an AR 3D element in GAzebo to use it for your AR tracking programs: https://answers.ros.org/question/240392/add-ar-tag-in-gazebo/ Q: add AR tag in gazebo A: You have to generate the AR tag , then create the 3D model with the texture in blender and...

[ROS Q&A] 078 – ROS Remap

by Marco Arruda | Dec 11, 2017 | ROS Q&A

Q: Remapping between nodes How to remap between nodes in launch file. Plz guide.im using Ros indigo version A: Basically, remap is a feature to rename topics, node names and some special keys of ROS env. You can see in this page what you can remap, like a node...

[ROS Q&A] 077 – How to solve the SetMaxForce error in Gazebo

by Alberto Ezquerro | Dec 11, 2017 | ROS Q&A

In this video I'm going to show how to easily solve the following error: error: 'class gazebo::physics::Joint' has no member named 'SetParam' https://youtu.be/9s7YETNLXFc

[ROS Q&A] 076 – How to get the closest obstacle with rotating laser

by Ricardo Tellez | Dec 11, 2017 | ROS Q&A

Q: How to get the distance to obstacles given that the laser is rotating? Original question: https://answers.ros.org/question/229865/how-to-incorporate-moveable-sensor-lidar-into-navigation-stack A: By using TF to transform the obstacle detected to the...

[ROS Q&A] 075 – 3rd time getting stuck at “Building a ROS Package”

by Ruben Alves | Dec 7, 2017 | ROS Q&A

In this question we see how to solve the problem when running catkin_make on a Catkin Workspace: The specified base path /home/user/catkin_ws contains a CMakeLists.txt but catkin_make must be invoked in the root of workspace Q:...