https://pointclouds.org/documentation/classpcl_1_1visualization_1_1_point_cloud_color_handler_random_3_01pcl_1_1_p_c_l_point_cloud2_01_4.html
Point Cloud Library (PCL): pcl::visualization::PointCloudColorHandlerRandom pcl::PCLPointCloud2 ...
point cloud librarypclvisualization