常用的三维点云数据包括txt，pcd，ply，obj格式
1.MeshLab读取.ply点云
2.python脚本读取.ply点云
# 读取ply点云数据import open3d as o3dimport numpy as nppath=r'C:\Users\mechmind\Desktop\PointCloud.ply'mesh = o3d.io.read_point_cloud(path) # 读取o3d.visualization.draw_geometries([mesh]) # 可视化
