|
- ROS Answers archive
This is the static archive of questions from ROS Answers archive Answers
- [ROS2 foxy] ros2 topic pub - with current timestamp - ROS Answers archive
I want to publish a message with ros2 topic pub but use current time as a timestamp If I do not publish anything to the stamp or header fields then they are 0 I remember in ros1 you could publish with header:auto or stamp:now Is there an equivalent for ros2?
- turtlebot2,gazebo and 3D SLAM - ROS Answers archive
I am using ubuntu 16 04 and kinetic I want to construct a 3D map from Gazebo by using 3D SLAM (RGB-D Sensors by using) and turtlebot2 in simulation (i don't have the real turtlebot2 and the camera) I really need some help all tutorials use a real camera but I want to use the simulated turtlebot camera
- getting ERROR: Rosdep cannot find all required resources to answer your . . .
The first updates your rosdep database, the second command looks in the src space for ROS packages, gathers all their dependencies, removes the ones satisfied by packages in your source space and then asks apt to install everything not present
- Ubuntu 22. 04 ros2 humble installing error GPG, libc-bin - ROS Answers
ROS distribution : ROS2 humble hawksbill to install ROS2 humble, while I'm following this : https: docs ros org en humble Installation Ubuntu-Install-Debians html
- Robot meshes not visible in rviz [Windows11, WSL2] - ROS Answers
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 Here is a picture of rviz ( you can only see the two boxes which are the gripper pads): Here is the URDF file of the robot: <?xml version="1 0" ?>
- MoveIt! unable to sample any valid states for goal tree - ROS Answers
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 the joint states of the robotic arm in the Gazebo (set the angles) But When I want the MoveIt! to plan the trajectory given just the pose of the end effector, I get an error
- TF_OLD_DATA ignoring data from the past for frame base . . . - ROS Answers
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 Rviz about the base_link frame gives the time in seconds since the moment I launched the simulation:
|
|
|