

def __init__(self, pointcloud, labels_to_masks, copy=True):
    super(LandmarkGroup, self).__init__()
    if (not labels_to_masks):
        raise ValueError('Landmark groups are designed for their internal state, other than owernship, to be immutable. Empty label sets are not permitted.')
    if (np.vstack(labels_to_masks.values()).shape[1] != pointcloud.n_points):
        raise ValueError('Each mask must have the same number of points as the landmark pointcloud.')
    if (not isinstance(labels_to_masks, OrderedDict)):
        raise ValueError('Must provide an OrderedDict to maintain the semantic meaning of the labels.')
    self._labels_to_masks = labels_to_masks
    self._verify_all_labels_masked()
    if copy:
        self._pointcloud = pointcloud.copy()
        self._labels_to_masks = OrderedDict([(copy, m.copy()) for (l, m) in labels_to_masks.items()])
    else:
        self._pointcloud = pointcloud
        self._labels_to_masks = labels_to_masks

dataset/ETHPy150Open menpo/menpo/menpo/landmark/base.py LandmarkGroup.__init__/VarMisuse@131/283 `l`->`copy`