volume 方法计算定向边界框的体积。
open3d.geometry.OrientedBoundingBox.volume()
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import open3d as o3d
import numpy as np
# 创建点云
points = [[0.0, 0.0, 0.0], [1.0, 0.0, 0.0], [0.0, 2.0, 0.0], [0.0, 0.0, 3.0]]
pcd = o3d.geometry.PointCloud()
pcd.points = o3d.utility.Vector3dVector(points)
# 计算点云的定向边界框
obb = pcd.get_oriented_bounding_box()
# 计算定向边界框的体积
volume = obb.volume()
# 打印定向边界框的体积
print("定向边界框的体积为:", volume, " m^3")