
ROS Answers archive
This is the static archive of questions from ROS Answers archive Answers.
Rosdep update error:The read operation timed out - ROS Answers
Nov 5, 2016 · I'm troubled in install ROS on Ubuntu 14.04, when I try rosdep update, this is what it shows:
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 installed to …
RTI Connext DDS environment script not found (ROS2 on Windows)
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:
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.
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 from …
Unconnected nodes: Hector_Slam and Navigation - ROS Answers
I try to get the hector slam (github.com/tu-darmstadt-ros-pkg/hector slam.git /catkin) package running with the navigation stack (github.com/ros-planning/navigation ...
ROS 2: How to quit a node from within a callback?
Sep 15, 2022 · I could do this in ROS 1 simply by calling rospy.signal_shutdown (). In ROS 2, I tried calling rclpy.shutdown (), but this just hangs the node. Any thoughts? Below is a modification of the …
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 run the …
ModuleNotFoundError: No module named 'rosbag2_py' - ROS Answers
Dec 20, 2022 · Answers You can see here that there is no rosbag2_py for Foxy (at least in the binary form, I think? There is in its repository a foxy branch, you can try to build it from source).