Web Based Lidar Point Cloud Visualization and Teleoperation Tool for Robots

This paper presents the development of a teleoperation system designed for remote control of a ROS robot over the internet. While existing visualization tools like rvis are limited to the host system or local area network, this system aims to overcome those constraints. The system's primary objectives are remote motor control and lidar data visualization using point cloud and camera data, and it is compatible with any ROS system, tested with ROS2 Foxy.The system meets the following requirements:1.The ability to work over the internet.2.The ability to visualize lidar and camera data.3.The ability to control motors.To achieve this, the system relies heavily on ROSBridge, which is a ROS node that exposes ROS communication channels such as topics, services, and activities out to the internet using websockets. This enables any client to subscribe and publish data to and from the ROS communication channels.The user interface of envious incorporates various interactive elements, including the camera feed, motor controllers, and lidar data visualization. These components are implemented using roslibjs, react, and react three fiber, which leverages webgl and threejs libraries to create an abstraction layer for seamless integration with the web application.By leveraging ROSBridge and modern web technologies, the proposed system offers the ability to control motors and visualize lidar and camera data remotely over the internet. It provides a user-friendly interface for interacting with the ROS system, facilitating teleoperation of robots from any location with an internet connection. This system expands the capabilities of ROS beyond local networks, opening up new possibilities for remote robotics applications and collaborations.Enhancing the capabilities of this system would opens up a world of exciting applications, one of which is a swarm mapping system that takes leverage of multiple interconnected robots to collaboratively map and explore an area