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  1. ROS Answers archive

    This is the static archive of questions from ROS Answers archive Answers.

  2. TF_OLD_DATA ignoring data from the past for frame base ... - ROS …

    By doing an echo of my /tf topic I am able to see the timestamps of the different transforms, and I realized that those timestamps are given in seconds from 1970, whereas the message I get …

  3. Cannot locate rosdep definition - ROS Answers archive

    Apr 9, 2019 · There is no ROS package called gazebo_plugin, nor is there an Ubuntu package (in your case) that is called gazebo_plugin, so rosdep cannot determine which package should be …

  4. libexec directory does not exist - ROS Answers

    Nov 16, 2020 · And it works fine. But when I use ros2 run ea maintenance mode manager maintenance mode it doesn't work, I get no executable found.

  5. MoveIt! unable to sample any valid states for goal tree - ROS …

    I have a robotic arm integrated with MoveIt! and Gazebo. When I launch the Gazebo simulation and MoveIt! controller, I can use a python script which, using the moveit_commander, can set …

  6. ModuleNotFoundError: No module named 'ament_package' - ROS …

    Jun 9, 2019 · I also have ROS Melodic in my system. For ROS2 instead of sourcing, the environment from source /opt/ros/dashing/setup.bash I am setting the CMAKE PREFIX PATH …

  7. RTI Connext DDS environment script not found (ROS2 on …

    May 28, 2021 · I am following the official tutorial to install ROS2 on Windows. At the step of Environment setup, I did "> call C:\dev\ros2 galactic\local setup.bat" and here comes the error:

  8. Is /clock being published? - ROS Answers archive

    Details given below. I am using Apollo Auto (open source autonomous car project) which uses ros platform for communication between the nodes. Basically Apollo uses docker environment to …

  9. Turning 90degrees using the odometry orientation message - ROS …

    May 31, 2016 · ros::spinOnce(); turn(90.0, 0.2, 1); /// end ros::Rate r(10); while(ros::ok()) { // set_velocities(0.0, 0.0); ros::spinOnce(); r.sleep(); } return 0; } void set_velocities(float lin_vel, …

  10. Robot meshes not visible in rviz [Windows11, WSL2] - ROS Answers

    Jan 12, 2022 · Hi, I am using ROS Noetic on Ubuntu 20.04 Windows11 WSL2. When I try to load my robot into rviz or into the MoveIt setup, no meshes are visible. I don't get any errors at all. …