Create a visualizer window to show an image.

show_image.py

import open3d as o3d

if __name__ == "__main__":

    # Create visualizer
    vis = o3d.visualization.Visualizer()
    vis.create_window("Depth Image", 1000, 1000)
    first_time_render = 1
    depth_image = o3d.geometry.Image()

    is_window_closed = 1
    n = 1
    while True:
        if n == 1:
            depth_image = o3d.io.read_image("depth1.png")
        if n == 2:
            depth_image = o3d.io.read_image("depth2.png")
        if n == 3:
            depth_image = o3d.io.read_image("depth3.png")
        n = n + 1
        if first_time_render:
            vis.add_geometry(depth_image)
            first_time_render = 0
        vis.update_geometry()
        is_window_closed = vis.poll_events()
        vis.update_renderer()

        if is_window_closed == 0:
            vis.destroy_window()
            break