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3 votes
Accepted

Transform PointCloud message

Welcome to Robotics Stack Exchange! I have noticed several concerns with your code snippet, which I would like to address below: Change the signature of your callback to receive ...
ravi's user avatar
  • 1,391
3 votes
Accepted

ros2 foxy python or interface not seeing full extent of the custom message

Your problem can be found in this chunk of code you've shared: ...
cst0's user avatar
  • 888
3 votes
Accepted

nav2-smac-planner package not available on foxy

Posted the same question on github and Steve Macenski replied: https://github.com/ros-planning/navigation2/issues/3549 Its called just the Smac Planner in Foxy https://github.com/ros-planning/...
guidout's user avatar
  • 143
3 votes

Difference between various ros distro?

Have a look at the official documentation about Distributions: What is a Distribution? A ROS distribution is a versioned set of ROS packages. These are akin to Linux distributions (e.g. Ubuntu). The ...
jtbandes's user avatar
  • 216
2 votes
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Custom Message header file does not generated during build and gives an error

Have you added the new interfaces package to your ament_target_dependencies? This is how my CMakeLists.txt looks like for a cpp ...
mink4sure's user avatar
1 vote

URDF File is not parsed, robot state publisher sees the robot description empty. RCLCPP does not exist in libexec?

...
ssarkar's user avatar
  • 596
1 vote
Accepted

Trouble with topic monitor and rqt on ros2 foxy

Solved! I was having trouble connecting the VM Ubuntu to the same internet network. By this, I mean the VM had a different IP address than the PC it ran on, so when I tried pinging it from the ...
MrRox1337's user avatar
1 vote

Custom Message header file does not generated during build and gives an error

I believe that you would find the header file in a msg directory inside of the install folder so your include statement should actually be: ...
Justin's user avatar
  • 96
1 vote

Invalid frame ID even if the TF tree is produced correctly

Looking at your tf tree, I see that you have some transforms with timestamps in the range of the 40s and others that are many orders of magnitude larger. (Aka current time since the epoch) with ...
Tully's user avatar
  • 25.1k
1 vote
Accepted

Simple Commander Waypoints Foxy

🎵 Which one of these is not like the others, which one of these just doesn’t belong 🎵 You can see the WPF action is CamelCase while the rest are snake_case. We fixed that ages ago in the modern Nav2 ...
Steve Macenski's user avatar
1 vote

Ackermann plugin ROS2 Foxy. How to use it?

I nearly met the same question as you, but I fixed it eventually. With the source code of the Ackermann drive plugin, you can see that the plugin is using the collision geometry radius of the "...
Glens Lee's user avatar
1 vote

ROS2 Foxy : DeprecationWarning: pkg_resources is deprecated as an API

Downgrade setuptools when you are using ROS2 foxy. Which is a known issue (mentioned here in the ROS 2 repository) :) pip3 install setuptools==58.2.0
Taeyeon Kim's user avatar
1 vote

Error: Loader for controller 'asc' not found

Please be aware that Foxy is EOL and not maintained any more. Have you tested the demos shipped with gazebo_ros2_control, do they launch?
Christoph Froehlich's user avatar
1 vote

"No module named roslaunch" for ROS 2

Using pip install xacro caused this for me. Uninstall and reinstall using apt get fixed it. ...
Bart B's user avatar
  • 31
1 vote
Accepted

"No module named roslaunch" for ROS 2

I have found the solution. The problem was that I didn't installed ros2 properly. I figured out the solution by uninstall ros2 from the system when my launch file was working and reinstalling ros2 ...
Pratham's user avatar
  • 45
1 vote

"No module named roslaunch" for ROS 2

Well unfortunately I can't comment (as the stupid rule is to have more than 50 rep) so here I am commenting in answer. Can you share the result of the ...
aarsht7's user avatar
  • 113
1 vote
Accepted

ros2 foxy - set / publish simulation time and enable use_sim_time

I solved my problem. I just used the wrong msg-type. I thought, the msg to be published into /clock should be of type "builtin_interfaces/msg/Time" but you need to use: "rosgraph_msgs/...
klanky's user avatar
  • 13
1 vote
Accepted

What is the difference between RCL_STEADY_TIME, RCL_SYSTEM_TIME and RCL_ROS_TIME?

The documentation on the different time sources is here: There will be at least three versions of these abstractions with the following types, SystemTime, ...
JRTG's user avatar
  • 2,074
1 vote
Accepted

How can I call a member method which is inside a ROS2 node class?

ROSNode::SharedPtr is a typedef inside rclcpp::Node that is always a ...
oKermorgant's user avatar
1 vote

Transform PointCloud message

Maybe a good first step is to convert to PointCloud2 using the snippet from convertPointCloudtoPointCloud2 from the package ...
ignacio's user avatar
  • 125

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