How to get a top view of a room in ai2thor about ai2thor HOT 3 OPEN

def get_top_down_frame():
    # Setup the top-down camera
    event = controller.step(action="GetMapViewCameraProperties", raise_for_failure=True)
    pose = copy.deepcopy(event.metadata["actionReturn"])

    bounds = event.metadata["sceneBounds"]["size"]
    max_bound = max(bounds["x"], bounds["z"])

    pose["fieldOfView"] = 50
    pose["position"]["y"] += 1.1 * max_bound
    pose["orthographic"] = False
    pose["farClippingPlane"] = 50
    del pose["orthographicSize"]

    # add the camera to the scene
    event = controller.step(
        action="AddThirdPartyCamera",
        **pose,
        skyboxColor="white",
        raise_for_failure=True,
    )
    top_down_frame = event.third_party_camera_frames[-1]
    return Image.fromarray(top_down_frame)


get_top_down_frame()