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Ploting the trajectory with a gz topic -e -t /model/diff_drive/odometry > trajectory.txt I got those spurious points in the trajectory
While disabling the gz-sim-odometry-publisher-system in the ros_gz_project_template/ros_gz_example_gazebo/worlds/diff_drive.sdf I got a clean trajectory
Environment
Use a Dockerfile with:
FROM osrf/ros:jazzy-desktop-full
Then docker guest environment is:
But host environment is:
Source obtained with a
git clone https://github.com/gazebosim/ros_gz_project_template.git
commit ID 043a0baDescription
issue-rviz-gazebo-trajectory.webm
Steps to reproduce
mkdir -p /workspace/ros2_workspace/src/
cd /workspace/ros2_workspace/src/
git clone https://github.com/gazebosim/ros_gz_project_template.git
cd /workspace/ros2_workspace
export GZ_VERSION=harmonic && colcon build --symlink-install
source install/setup.bash
ros2 launch ros_gz_example_bringup diff_drive.launch.py
and in another terminalgz topic -t "/model/diff_drive/cmd_vel" -m gz.msgs.Twist -p "linear: {x: 0.5}, angular: {z: 0.05}"
Output
Trajectory in RVIZ2 present spurious as illustrated in the joined video
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