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- # ----------------------------------------------------------------------------
- # - Open3D: www.open3d.org -
- # ----------------------------------------------------------------------------
- # Copyright (c) 2018-2023 www.open3d.org
- # SPDX-License-Identifier: MIT
- # ----------------------------------------------------------------------------
- import open3d as o3d
- if __name__ == "__main__":
- print("Load a ply point cloud, crop it, and render it")
- sample_ply_data = o3d.data.DemoCropPointCloud()
- pcd = o3d.io.read_point_cloud(sample_ply_data.point_cloud_path)
- vol = o3d.visualization.read_selection_polygon_volume(
- sample_ply_data.cropped_json_path)
- chair = vol.crop_point_cloud(pcd)
- # Flip the pointclouds, otherwise they will be upside down.
- pcd.transform([[1, 0, 0, 0], [0, -1, 0, 0], [0, 0, -1, 0], [0, 0, 0, 1]])
- chair.transform([[1, 0, 0, 0], [0, -1, 0, 0], [0, 0, -1, 0], [0, 0, 0, 1]])
- print("Displaying original pointcloud ...")
- o3d.visualization.draw([pcd])
- print("Displaying cropped pointcloud")
- o3d.visualization.draw([chair])
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