Beispiel #1
0
def fly(client: airsim.MultirotorClient, args: argparse.Namespace) -> None:
    # Reset the drone
    client.reset()
    client.enableApiControl(True)
    client.armDisarm(True)

    # Draw the ROI outline (erasing previous plots)
    client.simFlushPersistentMarkers()
    if SHOW_PLOTS:
        client.simPlotLineStrip(points=args.roi.corners(repeat_first=True),
                                is_persistent=True)

    # Get the first position the drone will fly to
    initial_pose = client.simGetVehiclePose()
    closest_corner = args.roi.closest_corner(initial_pose.position)

    if args.verbose:
        ff.print_pose(initial_pose, airsim.to_eularian_angles)
        ff.log_info(f"Closest corner {ff.to_xyz_str(closest_corner)}")

    start_pos = Vector3r(
        *ff.to_xyz_tuple(closest_corner if args.corner else args.roi.center))

    # NOTE AirSim uses NED coordinates, so negative Z values are "up" actually
    if (z := args.z_offset):
        start_pos.z_val -= z  # start higher up, to avoid crashing with objects
Beispiel #2
0
def fly(client: airsim.MultirotorClient, args: argparse.Namespace) -> None:
    initial_pose = client.simGetVehiclePose()
    initial_state = client.getMultirotorState()

    if args.verbose:
        ff.print_pose(initial_pose, airsim.to_eularian_angles)

    if initial_state.landed_state == airsim.LandedState.Landed:
        print("[ff] Taking off")
        client.takeoffAsync(timeout_sec=8).join()
    # else:
    #     client.hoverAsync().join()  # airsim.LandedState.Flying

    path = [airsim.Vector3r(*position) for position, _orientation in args.viewpoints]
    future = client.moveOnPathAsync(
        path,
        velocity=2,
        drivetrain=airsim.DrivetrainType.MaxDegreeOfFreedom,
        yaw_mode=airsim.YawMode(is_rate=False, yaw_or_rate=-1.5),  # FIXME
    )

    _take_pictures_loop(client)
    future.join()

    client.reset()
    print("[ff] Drone reset")
Beispiel #3
0
def fly(client: airsim.MultirotorClient, args: argparse.Namespace) -> None:
    if args.verbose:
        print(
            f"[ff] HomeGeoPoint: {Vec3.from_GeoPoint(client.getHomeGeoPoint())}\n"
        )
        print(
            f"[ff] VehiclePose.position: {Vec3.from_Vector3r(client.simGetVehiclePose().position)}\n"
        )

    initial_state = client.getMultirotorState()
    if initial_state.landed_state == airsim.LandedState.Landed:
        print(f"[ff] Taking off")
        client.takeoffAsync(timeout_sec=8).join()
    else:
        client.hoverAsync().join()  # airsim.LandedState.Flying

    #__move_on_path(client, args.flight_path, args.flight_velocity)
    #__move_on_box(client, z=-20, side=20, velocity=args.flight_velocity)
    if not args.use_viewpoints:
        future = client.moveOnPathAsync([
            airsim.Vector3r(coord.x, coord.y, coord.z)
            for coord in args.flight_path
        ], args.flight_velocity)
    else:
        import viewpoints
        future = client.moveOnPathAsync(
            [airsim.Vector3r(*position) for position in viewpoints.Positions],
            args.flight_velocity)

    print(f"[ff] Press [space] to take pictures")
    ch, img_count, img_responses = msvcrt.getch(), 0, []
    while ch == b' ':
        img_responses.extend(
            client.simGetImages([
                airsim.ImageRequest(
                    ff.CameraName.bottom_center,
                    airsim.ImageType.Scene,
                    False,
                    True  # compressed PNG image
                )
            ]))
        img_count += 1
        print(f"     {img_count} pictures taken", end="\r")
        ch = msvcrt.getch()
    print()

    print(f"[ff] Waiting for drone to finish path...", end=" ", flush=True)
    future.join()
    print(f"done.")

    for i, response in enumerate(img_responses):
        airsim.write_file(os.path.join(args.output_folder, f"out_{i}.png"),
                          response.image_data_uint8)

    time.sleep(4)
    print(f"[ff] Drone reset")
    client.reset()
Beispiel #4
0
def fly(client: airsim.MultirotorClient, args: argparse.Namespace) -> None:
    if args.reset:
        client.reset()
    client.simFlushPersistentMarkers()

    plot_pose(client, TEST_POSE)
    plot_xyz_axis(client, X, Y, Z, origin=O)

    with airsimy.pose_at_simulation_pause(client) as pose:
        plot_pose(client, pose)

        client.simPlotArrows([pose.position], [LOOK_AT_TARGET],
                             Rgba.White,
                             is_persistent=True)

        # NOTE use x' = (LOOK_AT_TARGET - p) as the new x-axis (i.e. front vector),
        # and project the current up/down vector (z-axis in AirSim) into the plane
        # that is normal to x' at point p. This way we can get the remaining right
        # vector by computing cross(down, front).

        x_prime = LOOK_AT_TARGET - pose.position
        _, _, z_axis = AirSimNedTransform.local_axes_frame(pose)
        z_prime = airsimy.vector_projected_onto_plane(z_axis,
                                                      plane_normal=x_prime)

        # NOTE don't forget to normalize! Not doing so will break the orientation below.
        x_prime /= x_prime.get_length()
        z_prime /= z_prime.get_length()

        y_prime = z_prime.cross(x_prime)

        plot_xyz_axis(
            client,
            x_prime * 1.25,
            y_prime * 1.25,
            z_prime * 1.25,
            origin=pose.position,
            colors=CMY,
            thickness=1.5,
        )

        # Now, find the orientation that corresponds to the x'-y'-z' axis frame:
        new_pose = Pose(
            pose.position,
            airsimy.quaternion_that_rotates_axes_frame(
                source_xyz_axes=(X, Y, Z),
                target_xyz_axes=(x_prime, y_prime, z_prime),
            ),
        )
        plot_pose(client, new_pose
                  )  # NOTE this should be the same as the plot_xyz_axis above!
        if args.set:
            client.simSetVehiclePose(new_pose, ignore_collision=True)
Beispiel #5
0
def fly(client: airsim.MultirotorClient, args: argparse.Namespace) -> None:
    initial_pose = client.simGetVehiclePose()
    initial_state = client.getMultirotorState()

    if args.verbose:
        ff.print_pose(initial_pose,
                      to_eularian_angles=airsim.to_eularian_angles)

    if initial_state.landed_state == airsim.LandedState.Landed:
        print("[ff] Taking off")
        client.takeoffAsync(timeout_sec=8).join()
    else:
        client.hoverAsync().join()  # airsim.LandedState.Flying

    print("[ff] Flying viewpoints...")
    print("[ff] Press [space] to take pictures (or any other key to stop)"
          )  # TODO
    future = _move_by_path(client, args)

    img_count = 0
    while True:
        if msvcrt.kbhit():
            if msvcrt.getch() != b" ":
                break  # https://stackoverflow.com/a/13207813

            response, *_ = client.simGetImages([
                airsim.ImageRequest(
                    ff.CameraName.front_center,
                    airsim.ImageType.Scene,
                    False,
                    True,  # compressed PNG image
                )
            ])
            img_count += 1
            print(f"     {img_count} pictures taken", end="\r")
            airsim.write_file(
                os.path.join(args.output_folder, f"out_{img_count}.png"),
                response.image_data_uint8,
            )
            # TODO save poses to .log file
            print("camera_position:", response.camera_position)  # Vector3r
            print("camera_orientation:",
                  response.camera_orientation)  # Quaternionr
    print()

    print(f"[ff] Waiting for drone to finish path...", end=" ", flush=True)
    future.join()
    print("done")

    time.sleep(4)
    client.reset()
    print("[ff] Drone reset")