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**Original report ([archived issue](https://osrf-migration.github.io/gazebo-gh-pages/#!/osrf/gazebo/issues/2366)) by Anonymous.**
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Hi all!
I am using Ros ki…
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I am running ROS Melodic on Ubuntu 18.04 and facing the following issue while building with `catkin_make_isolated --force-cmake` :
**Error Output:**
```
error: ‘class gazebo::physics::World’ ha…
ghost updated
5 years ago
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Currently testing the `rocon_apps/teleop` rapp with capability support and noticed a strange error when shutting down the rapp and its dependent capabilities.
```
[INFO] [WallTime: 1399886941.441992]…
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File "/home/user/turtlebot_ws/src/dqn_qlearning_sarsa_mobile_robot_navigation/my_turtlebot3_training/src/start_dqlearn_training.py", line 19, in
from openai_ros.openai_ros_common import StartOpe…
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I am trying to use cartographer with ros using a turtlebot simulator in a gazebo environment. I have launched a gazebo environment and have recorded a bag file. When I'm trying to use the demo launch …
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I'm running ORB SLAM 3 on a turtlebot waffle pi which is simulated in gazebo
ORB SLAM 3 's image viewer is able to receive the images published from the turtlebot but no features are detected.
Alth…
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https://www.rerun.io/
https://github.com/rerun-io/rerun
https://www.rerun.io/docs/howto/ros2-nav-turtlebot
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Right now we use Twist which contains no time based information. This may be important for detecting old or out of order messages in async applications.
A survey should be conducted for supporting…
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I wonder whether it could be used in turtlebot navigation. As turtlebot works in plane, so the navigation of turtlebot is based on 2d navigation of ROS. I wonder whether the odometry comes from v…
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### Robot Model
Turtlebot4 Standard
### ROS distro
Humble
### Networking Configuration
Simple Discovery
### OS
Ubuntu 22.04
### Built from source or installed?
Installed
### Package version
…