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# ----------------------------------------------------------------------------
# - Open3D: www.open3d.org -
# ----------------------------------------------------------------------------
# Copyright (c) 2018-2024 www.open3d.org
# SPDX-License-Identifier: MIT
# ----------------------------------------------------------------------------
import open3d as o3d
import numpy as np
import matplotlib.pyplot as plt
if __name__ == '__main__':
tum_data = o3d.data.SampleTUMRGBDImage()
depth = o3d.t.io.read_image(tum_data.depth_path)
intrinsic = o3d.core.Tensor([[535.4, 0, 320.1], [0, 539.2, 247.6],
[0, 0, 1]])
pcd = o3d.t.geometry.PointCloud.create_from_depth_image(depth,
intrinsic,
depth_scale=5000.0,
depth_max=10.0)
o3d.visualization.draw([pcd])
depth_reproj = pcd.project_to_depth_image(640,
480,
intrinsic,
depth_scale=5000.0,
depth_max=10.0)
fig, axs = plt.subplots(1, 2)
axs[0].imshow(np.asarray(depth.to_legacy()))
axs[1].imshow(np.asarray(depth_reproj.to_legacy()))
plt.show()
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