Category "ros2"

How to access a topic in a ROS2 action server

In an ROS2 action server callback function, I need to access data which is published on some ROS topic. How can I achieve this, in a straightforward and clean w

How to correctly initialize an event

I'm a student and currently experimenting with the QoS-settings in ROS 2. I'm trying to implement the (RMW_EVENT_REQUESTED_DEADLINE_MISSED) event. First I decla

Ros2 : stereo image rectification

I'm starting to develop a visual odometry program. The "front" part (image acquisition and hopefully rectification) is done in ROS2, then the core of the proces

How do I resolve Problem building "LS2N_PX4_ROS2" package in ROS2?

I found this package: https://univ-nantes.io/ls2n-drones/ls2n_drone_ros2/-/tree/mpc_flip_uncomplete I am trying to build it, I followed every step as mentioned

Why can't I use ament_cpplint with cpplint plugins for various IDEs?

I am working with C++ code with ROS2. ROS2 has code style standards and one of the recommended linters is ament_cpplint, which is slightly different from cpplin

PDDL, Plansys2 Error: decrease does not name a known token

I was working with ROS2 Planning System (Plansys2) for PDDL planning with the default planner POPF. While planning the domain with PDDL fluents, the PDDL parser

ROS2: how to create an Int8MultiArray

This is a ROS2 beginner question I've tried to use several ROS sources which suggested me to include "std_msgs/Int8MultiArray.h". However, if I do that I will g