1. Manual point selection
Functions pick_points(pcd)create an VisualizerWithEditinginstance to mock draw_geometries, create visualization window, add geometry, visualize geometry and end. VisualizerWithEditingProvides a new interactive function get_picked_points()that returns the index of the vertex picked by the user.
Click shift + left button in the window to select vertices. When vertices are selected, the visualization window will overlay a sphere on top. For example, the image below is the result after selecting a vertex on the source point cloud.
will print out:
After picking points, press 'Q' to close the window
[Open3D INFO] Picked point #15537 (24., 14., 6.3) to add in queue.
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