首先,您可以通过 可视化机甲open3d.visualization.draw_geometries_with_editing()
。然后,在窗口出现后,您可以通过Shift
+选择点Left Mouse Click
。如果要取消选择,则Shift
+ Right Mouse Click
。选择完点后,按Q
或Esc
关闭窗口。get_picked_points()
将返回您选择的多个点的索引。
import open3d as o3d
textured_mesh = o3d.io.read_triangle_mesh("../pikaqiu.obj")
vis = o3d.visualization.draw_geometries_with_editing()
vis.create_window()
vis.add_geometry(textured_mesh)
vis.run() # user picks points
vis.destroy_window()
vis.get_picked_points()
您可以从网格的数组中获取点
mesh_array = np.asarray(pcd.points)
points = mesh_array[vis.get_picked_points()]