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I am going through the tutorials on dashing distro. Up to this point (mostly) ok, but this is baffling. I am at the "Getting started with ros2doctor", but "doctor" or "wtf" do not exist as a ros2 command. It is not included in the command list from "ros2 -h" either (and neither is in the example output in earlier tutorial!). So why should it even be available? (ubuntu 18, binary version). Thanks!

Launch files for Moveit2 Hi, I am migrating a robotic arm to ROS2 and now I got to the MoveIt part of it. It contains ra

I understand why you would separate some interface to make the code maintenance easier. But I still don't see why it is

From the description of tf2_ros I understand that this package is for ROS and roscpp, not ROS2. So why is it being used

Perfect answer, thank you. I think it would really be worth clarifying in the tutorial.

I am trying to migrate code to ROS2 and I am stuck on logging.

From https://index.ros.org/doc/ros2/Concep... I got to the code example at https://github.com/ros2/demos/tree/ma...

My problem is that all the log calls use some unscoped get_logger(), or this->get_logger in one file. But I can't find where that is defined or what it is supposed to do. ( e.g. RCLCPP_INFO(get_logger(), "Publishing: '%s'", msg->data.c_str()); )

So 1) I don't get it myself atm 2) this is not a good practice for a demo that should clarify it.

Thanks in advance for help.

ros2 logging demo I am trying to migrate code to ROS2 and I am stuck on logging. From https://index.ros.org/doc/ros2/Co

ros2 logging demo I am trying to migrate code to ROS2 and I am stuck on logging. From https://index.ros.org/doc/ros2/Co

ros2 logging demo C++ I am trying to migrate code to ROS2 and I am stuck on logging. From https://index.ros.org/doc/ros

Where is ros2doctor? I am going through the tutorials on dashing distro. Up to this point (mostly) ok, but this is baffl

Hi everyone

In every piece of code, be it on the wiki or forums, everyone seems to automatically know what .h files to include for whatever ROS functionality they are using, be it some special nodes, services, messages, functions, whatever. I have no idea how to find what I should include. What is the key??

Say I want to write code such as in Writing a tf listener (C++)) tutorial. How do I deduce that "tf/transform_listener.h" exists and I want to use it? Or what should I include if I want to use code from an answer relevant to what I currently do:

tf::Pose pose;
tf::poseMsgToTF(odom->pose.pose, pose);
double yaw_angle = tf::getYaw(pose.getRotation());

The only principle I have found so far is to include exact message type with .h, e.g.

#include "nav_msgs/OccupancyGrid.h"

So how does everyone do it?