open3d.geometry.TriangleMesh.compute_convex_hull
是 Open3D 中的一个函数,用于计算凸包。
def compute_convex_hull(self, print_progress=False) -> open3d.geometry.TriangleMesh:
print_progress
:布尔值,是否输出计算进度。open3d.geometry.TriangleMesh
对象:计算出来的凸包三角网格模型。import open3d as o3d
mesh = o3d.geometry.TriangleMesh()
mesh.vertices = o3d.utility.Vector3dVector([[-1, -1, -1],
[1, -1, -1],
[1, 1, -1],
[-1, 1, -1],
[-1, -1, 1],
[1, -1, 1],
[1, 1, 1],
[-1, 1, 1]])
mesh.triangles = o3d.utility.Vector3iVector([[0, 1, 2],
[0, 2, 3],
[0, 4, 5],
[0, 5, 1],
[3, 2, 6],
[3, 6, 7],
[4, 0, 3],
[4, 3, 7],
[5, 4, 7],
[5, 7, 6],
[1, 5, 6],
[1, 6, 2]])
hull = mesh.compute_convex_hull()
o3d.visualization.draw_geometries([mesh, hull])
可以看到,上述示例代码将八个顶点创建成一个六面体的立方体,并计算出它的凸包。结果如下所示: