def __init__(self, image_file, **kwargs):
from dxtbx import IncorrectFormatError
if not self.understand(image_file):
raise IncorrectFormatError(self, image_file)
FormatSER.__init__(self, image_file, **kwargs)
def understand(image_file):
# check the header looks right
try:
fmt = FormatSER(image_file)
except IncorrectFormatError:
return False
# get the first image and check it has the expected dimensions
im = fmt.get_raw_data(0)
if im.all() != (4096, 4096): return False
return True
def understand(image_file):
# check the header looks right
try:
fmt = FormatSER(image_file)
except IncorrectFormatError:
return False
# Read metadata and check the image dimension is supported
d = fmt._read_metadata(image_file)
image_size = d['ArraySizeX'], d['ArraySizeY']
if image_size not in [(4096, 4096), (2048, 2048)]: return False
return True