PCL Visualizer: How to Set Point Cloud Color to White in C++

PCL Visualizer: Setting Point Cloud Color to White in C++

This code snippet demonstrates how to set the color of a point cloud to white within the PCL Visualizer framework.

Code:

pcl::visualization::PCLVisualizer viewer;
viewer.addPointCloud(cloud84);

// Set point cloud color to white
pcl::visualization::PointCloudColorHandlerCustom<pcl::PointXYZ> single_color(cloud84, 255, 255, 255);
viewer.addPointCloud<pcl::PointXYZ>(cloud84, single_color, 'cloud84');

Explanation:

1. pcl::visualization::PointCloudColorHandlerCustom<pcl::PointXYZ> single_color(cloud84, 255, 255, 255);: This line creates an instance of PointCloudColorHandlerCustom which allows you to set a custom color for the point cloud. The constructor takes the point cloud (cloud84) and RGB values (255, 255, 255) representing white.
2. viewer.addPointCloud<pcl::PointXYZ>(cloud84, single_color, 'cloud84');: This line adds the point cloud to the visualizer with the specified color handler (single_color) and a label ('cloud84').

By using this code, you can effectively modify the visual appearance of your point cloud within the PCL Visualizer for better clarity and analysis.