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[ROS Q&A] Catkin workspaces – Problem copying files from one to another

by Marco Arruda | Nov 22, 2017 | ROS Q&A

https://youtu.be/Lg_oM4vFIEs Q: I copied a workspace and now catkin_make doesn't work A: I'm using ROS Indigo distribution, I have tried to do the same in my computer and I got the following error: Then, I have removed the folders build and devel from catkin_02 and...

[ROS Q&A] Setting the node log level in run time (C++)

by Ricardo Tellez | Nov 21, 2017 | ROS Q&A

https://youtu.be/jGA3RrNP7nk In this video we show how to use C++ to dynamically change the logger level of a node. See the original question: https://answers.ros.org/question/276242/set-log-level-for-each-node-in-ros-cpp/ Q: Set log level for each node in ROS CPP A:...

[ROS Q&A] Printing message in launch file

by Alberto Ezquerro | Nov 20, 2017 | ROS Q&A

Q: I am wondering if there is any way to print message from launch file. For example, I am calling a node from launch file and I do not want the user to terminate this process. A: The best way is to create a simple Python...

[ROS Q&A] Testing scripts in Drone Simulation

by Alberto Ezquerro | Nov 17, 2017 | ROS Q&A

In this video we show how to test scripts in a drone simulation. See question: https://answers.ros.org/question/275593/importerror-no-module-name-drone_status/ Q: Hello, I am just starting out with learning ROS. I tried...

Speeding Up ROS Training For New Lab’s Members

by Ricardo Tellez | Nov 16, 2017 | Robotics with ROS

Even if we would like to, engineering students do not receive proper ROS training during their undergraduate period. This is a problem when students get engaged in the development of the Msc Thesis inside one of the labs of the University, or want to start...