ROS2 image display

Introduction

In this tutorial, we'll create an application that uses ROS2 to subscribe to two image topics and NiceGUI to display the images in a graphical user interface. We'll also include a "Switch image" button to toggle between the two images.

The source code of this example can be found here: ROS2 image display

Prerequisites

Before getting started, make sure you have the following installed:

• ROS2: ROS2 Humble Installation Guide
• Python 3.8 or higher
• NiceGUI: Install NiceGUI using pip install nicegui

Code Explanation

Let's break down the Python code step by step.