Open3D 三维重建-Delaunay Triangulation (德劳内三角剖分)

import open3d as o3d

import numpy as np

import

def delaunay_triangulation(points):

"""

计算德劳内三角剖分。

参数:

points (): 输入点云数据，形状为 (N, 3)。

返回:

: 生成的三角网格。

"""

tri = (points[:, :2])

vertices = .Vector3dVector(points)

triangles = .Vector3iVector()

mesh = (vertices, triangles)

return mesh

# 加载点云数据

pcd = .read_point_cloud("")

points = ()

.draw_geometries([pcd], window_name="Delaunay Triangulation", width=800, height=600)

# 计算德劳内三角剖分

mesh = delaunay_triangulation(points)

# 可视化生成的三角网格

.draw_geometries([mesh], window_name="Delaunay Triangulation", width=800, height=600)

# 保存重建结果

# .write_triangle_mesh("delaunay_mesh.ply", mesh)