Commit 71ab93dc authored by michitaro.koike's avatar michitaro.koike
Browse files

preserve mask values as long as possible

parent 6fcbbf64
......@@ -42,7 +42,10 @@ class Stitcher:
def __init__(self, *, files: List[str], bbox: BBox):
self._files = files
self._bbox = bbox
self.hdu = self._stitch()
def hdu(self):
return self._stitch()
def _stitch(self):
((minx, miny), (maxx, maxy)) = self._bbox
......@@ -127,12 +130,12 @@ class MaskStitcher(Stitcher):
fits_open_options = dict(do_not_scale_image_data=True)
def __init__(self, *args, **kwargs):
self._mp: Dict[str, int] = {}
super().__init__(*args, **kwargs)
self._mp: Dict[str, int] = {}
def _normalized_data(self, data: numpy.ndarray, hdul: afits.HDUList):
header: afits.Header = hdul[self.hdu_index].header # type: ignore
mp_keys = [k for k in header.keys() if k.startswith('MP_')]
mp_keys = sorted([k for k in header.keys() if k.startswith('MP_')], key=lambda k: cast(int, header[k]))
pool = numpy.zeros_like(data)
for k in mp_keys:
b1 = header[k]
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