@property
    def transform_bbox(self):
        placed_layer_block = self._placed_layer_block()
        if not placed_layer_block:
            return None
        placed_layer_data = PlacedLayerData(placed_layer_block)

        transform = placed_layer_data.transform
        if not transform:
            return None
        return BBox(transform[0].value, transform[1].value, transform[4].value, transform[5].value)
Converts ``cidr`` to network/prefix filter.
dataset/ETHPy150Open psd-tools/psd-tools/src/psd_tools/user_api/psd_image.py/Layer.transform_bbox--crossover with--dataset/ETHPy150Open dropbox/nsot/nsot/api/filters.py/NetworkFilter.filter_cidr