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# ----------------------------------------------------------------------------
# - Open3D: www.open3d.org -
# ----------------------------------------------------------------------------
# Copyright (c) 2018-2024 www.open3d.org
# SPDX-License-Identifier: MIT
# ----------------------------------------------------------------------------
import open3d as o3d
def save_view_point(pcd, filename):
vis = o3d.visualization.Visualizer()
vis.create_window()
vis.add_geometry(pcd)
vis.run() # user changes the view and press "q" to terminate
param = vis.get_view_control().convert_to_pinhole_camera_parameters()
o3d.io.write_pinhole_camera_parameters(filename, param)
vis.destroy_window()
def load_view_point(pcd, filename):
vis = o3d.visualization.Visualizer()
vis.create_window()
ctr = vis.get_view_control()
param = o3d.io.read_pinhole_camera_parameters(filename)
vis.add_geometry(pcd)
ctr.convert_from_pinhole_camera_parameters(param)
vis.run()
vis.destroy_window()
if __name__ == "__main__":
pcd_data = o3d.data.PCDPointCloud()
pcd = o3d.io.read_point_cloud(pcd_data.path)
save_view_point(pcd, "viewpoint.json")
load_view_point(pcd, "viewpoint.json")
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