'The ``(x, y)`` index of the origin pixel of the cutout with
respect to the cutout array.  For ``mode=\'partial\'``, the origin
pixel is calculated for the valid (non-filled) cutout values.'

@lazyproperty
def origin_cutout(self):

    return (self.slices_cutout[1].start, self.slices_cutout[0].start)
