示例#1
0
    def test_dumps(self):
        sensors = Sensors()
        sensors.add(Lidar.loads(_LIDAR_DATA))
        sensors.add(Radar.loads(_RADAR_DATA))
        sensors.add(Camera.loads(_CAMERA_DATA))
        sensors.add(FisheyeCamera.loads(_FISHEYE_CAMERA_DATA))

        assert sensors.dumps() == _SENSORS_DATA
示例#2
0
 def test_loads(self):
     sensors = Sensors.loads(_SENSORS_DATA)
     assert sensors[_LIDAR_DATA["name"]] == Lidar.loads(_LIDAR_DATA)
     assert sensors[_RADAR_DATA["name"]] == Radar.loads(_RADAR_DATA)
     assert sensors[_CAMERA_DATA["name"]] == Camera.loads(_CAMERA_DATA)
     assert sensors[_FISHEYE_CAMERA_DATA["name"]] == FisheyeCamera.loads(
         _FISHEYE_CAMERA_DATA)
示例#3
0
def _load_timestamps(sensors: Sensors, data_path: str) -> Dict[str, List[str]]:
    timestamps = {}
    for sensor_name in sensors.keys():
        data_folder = f"image_{sensor_name[-2:]}" if sensor_name != "LIDAR" else "lidar_points"
        timestamp_file = os.path.join(data_path, data_folder, "timestamps.txt")
        with open(timestamp_file, encoding="utf-8") as fp:
            timestamps[sensor_name] = fp.readlines()

    return timestamps
示例#4
0
    def test_sensor(self, accesskey, url):
        gas_client = GAS(access_key=accesskey, url=url)
        dataset_name = get_dataset_name()
        dataset_client = gas_client.create_dataset(dataset_name,
                                                   is_fusion=True)
        dataset_client.create_draft("draft-1")
        segment_client = dataset_client.get_or_create_segment("segment1")

        for sensor_data in SENSORS_DATA:
            segment_client.upload_sensor(Sensor.loads(sensor_data))

        sensors = segment_client.get_sensors()
        assert sensors == Sensors.loads(SENSORS_DATA)

        segment_client.delete_sensor(SENSORS_DATA[0]["name"])
        sensors = segment_client.get_sensors()
        assert len(sensors) == 4
        assert sensors == Sensors.loads(SENSORS_DATA[1:])

        gas_client.delete_dataset(dataset_name)
    def __init__(
        self, name: str = "default", client: Optional["FusionDatasetClient"] = None
    ) -> None:
        super().__init__(name)

        self._data: MutableSequence[Frame]
        if client:
            self._client = client.get_segment(name)
            self._data = self._client.list_frames()
            self._repr_non_empty = True
        else:
            self._data = []
            self._sensors = Sensors()
示例#6
0
def _load_frame(
    sensors: Sensors,
    data_path: str,
    frame_index: int,
    annotation: Dict[str, Any],
    timestamps: Dict[str, List[str]],
) -> Frame:
    frame = Frame()
    for sensor_name in sensors.keys():
        # The data file name is a string of length 10 with each digit being a number:
        # 0000000000.jpg
        # 0000000001.bin
        data_file_name = f"{frame_index:010}"

        # Each line of the timestamps file looks like:
        # 2018-03-06 15:02:33.000000000
        timestamp = datetime.strptime(
            timestamps[sensor_name][frame_index][:23],
            "%Y-%m-%d %H:%M:%S.%f").timestamp()
        if sensor_name != "LIDAR":
            # The image folder corresponds to different cameras, whose name is likes "CAM00".
            # The image folder looks like "image_00".
            camera_folder = f"image_{sensor_name[-2:]}"
            image_file = f"{data_file_name}.png"

            data = Data(
                os.path.join(data_path, camera_folder, "data", image_file),
                target_remote_path=f"{camera_folder}-{image_file}",
                timestamp=timestamp,
            )
        else:
            data = Data(
                os.path.join(data_path, "lidar_points", "data",
                             f"{data_file_name}.bin"),
                timestamp=timestamp,
            )
            data.label.box3d = _load_labels(annotation["cuboids"])

        frame[sensor_name] = data
    return frame
    def test_cache_fusion_dataset(self, accesskey, url, tmp_path):
        gas_client = GAS(access_key=accesskey, url=url)
        dataset_name = get_dataset_name()
        dataset_client = gas_client.create_dataset(dataset_name,
                                                   is_fusion=True)
        dataset_client.create_draft("draft-1")

        segment = FusionSegment("Segment1")
        segment.sensors = Sensors.loads(_SENSORS_DATA)

        paths = {"Lidar1": tmp_path / "lidar", "Camera1": tmp_path / "camera"}
        for path in paths.values():
            path.mkdir()

        for i in range(_SEGMENT_LENGTH):
            frame = Frame()
            for sensor_data in _SENSORS_DATA:
                sensor_name = sensor_data["name"]
                data_path = paths[sensor_name] / f"{sensor_name}{i}.txt"
                data_path.write_text("CONTENT")
                frame[sensor_name] = Data(local_path=str(data_path))
            segment.append(frame)

        dataset_client.upload_segment(segment)
        dataset_client.commit("commit-1")
        cache_path = tmp_path / "cache_test"
        dataset_client.enable_cache(str(cache_path))
        segment1 = FusionSegment(name="Segment1", client=dataset_client)
        for frame in segment1:
            for data in frame.values():
                data.open()

        segment_cache_path = (cache_path / dataset_client.dataset_id /
                              dataset_client.status.commit_id / "Segment1")
        correct_files = set(
            segment_cache_path / f'{sensor_data["name"]}{i}.txt'
            for i in range(_SEGMENT_LENGTH) for sensor_data in _SENSORS_DATA)
        assert set(segment_cache_path.glob("*.txt")) == correct_files

        gas_client.delete_dataset(dataset_name)
    def test_upload_fusion_dataset_after_commit(self, accesskey, url, tmp_path):
        gas_client = GAS(access_key=accesskey, url=url)
        dataset_name = get_dataset_name()
        gas_client.create_dataset(dataset_name, is_fusion=True)

        dataset = FusionDataset(name=dataset_name)
        dataset._catalog = Catalog.loads(CATALOG)
        dataset.notes.is_continuous = True
        segment = dataset.create_segment("Segment1")
        segment.sensors = Sensors.loads([LIDAR_DATA])

        path = tmp_path / "sub"
        path.mkdir()
        for i in range(10):
            remote_frame = Frame()
            local_path = path / f"hello{i}.txt"
            local_path.write_text("CONTENT")
            data = Data(local_path=str(local_path))
            data.label = Label.loads(LABEL)
            remote_frame[LIDAR_NAME] = data
            segment.append(remote_frame)

        dataset_client = gas_client.upload_dataset(dataset)
        dataset_client.commit("test")
        dataset_remote = FusionDataset(name=dataset_name, gas=gas_client)
        assert dataset_remote.notes.is_continuous == dataset.notes.is_continuous
        assert dataset_remote.catalog == dataset.catalog

        segment_remote = dataset_remote[0]
        assert len(segment_remote) == len(segment)
        assert segment_remote.sensors == segment.sensors
        for remote_frame, frame in zip(segment_remote, segment):
            assert remote_frame[LIDAR_NAME].path == frame[LIDAR_NAME].target_remote_path
            assert remote_frame[LIDAR_DATA["name"]].label == frame[LIDAR_NAME].label

        gas_client.delete_dataset(dataset_name)
示例#9
0
def _load_sensors(calib_path: str) -> Sensors:
    try:
        import yaml  # pylint: disable=import-outside-toplevel
    except ModuleNotFoundError as error:
        raise ModuleImportError(module_name=error.name,
                                package_name="pyyaml") from error

    sensors = Sensors()

    lidar = Lidar("LIDAR")
    lidar.set_extrinsics()
    sensors.add(lidar)

    with open(os.path.join(calib_path, "extrinsics.yaml"),
              "r",
              encoding="utf-8") as fp:
        extrinsics = yaml.load(fp, Loader=yaml.FullLoader)

    for camera_calibration_file in glob(os.path.join(calib_path,
                                                     "[0-9]*.yaml")):
        with open(camera_calibration_file, "r", encoding="utf-8") as fp:
            camera_calibration = yaml.load(fp, Loader=yaml.FullLoader)

        # camera_calibration_file looks like:
        # /path-to-CADC/2018_03_06/calib/00.yaml
        camera_name = f"CAM{os.path.splitext(os.path.basename(camera_calibration_file))[0]}"
        camera = Camera(camera_name)
        camera.description = camera_calibration["camera_name"]

        camera.set_extrinsics(matrix=extrinsics[f"T_LIDAR_{camera_name}"])

        camera_matrix = camera_calibration["camera_matrix"]["data"]
        camera.set_camera_matrix(
            matrix=[camera_matrix[:3], camera_matrix[3:6], camera_matrix[6:9]])

        distortion = camera_calibration["distortion_coefficients"]["data"]
        camera.set_distortion_coefficients(
            **dict(zip(("k1", "k2", "p1", "p2", "k3"), distortion)))

        sensors.add(camera)
    return sensors