def __init__(self, image_file, **kwargs):
'''Initialise the image structure from the given file.'''
from dxtbx import IncorrectFormatError
if not self.understand(image_file):
raise IncorrectFormatError(self, image_file)
FormatPYunspecified.__init__(self, image_file, **kwargs)
def understand(image_file):
"""Seems like the static method wastes a lot of effort here; it's not possible to
just read the first few bytes; instead understand() reads the entire first data
item in the file; an entire binary image. This data is then read again in the
_start() method and again in the detectorbase constructor.
"""
try:
with FormatPYunspecified.open_file(image_file, "rb") as fh:
if six.PY3:
data = pickle.load(fh, encoding="bytes") # lgtm
# the '# lgtm' comment disables an lgtm false positive and
# can be removed once we move to Python 3 only
data = {
key.decode("ascii"): value
for key, value in data.items()
}
else:
data = pickle.load(fh)
except IOError:
return False
if "OSC_START" not in data or "OSC_RANGE" not in data:
return True
return data["OSC_RANGE"] <= 0
def understand(image_file):
"""Seems like the static method wastes a lot of effort here; it's not possible to
just read the first few bytes; instead understand() reads the entire first data
item in the file; an entire binary image. This data is then read again in the
_start() method and again in the detectorbase constructor.
"""
try:
stream = FormatPYunspecified.open_file(image_file, 'rb')
import cPickle as pickle
data = pickle.load(stream)
except IOError,e:
return False
def understand(image_file):
"""Seems like the static method wastes a lot of effort here; it's not possible to
just read the first few bytes; instead understand() reads the entire first data
item in the file; an entire binary image. This data is then read again in the
_start() method and again in the detectorbase constructor.
"""
try:
stream = FormatPYunspecified.open_file(image_file, 'rb')
import cPickle as pickle
data = pickle.load(stream)
except IOError, e:
return False
def understand(image_file):
"""Seems like the static method wastes a lot of effort here; it's not possible to
just read the first few bytes; instead understand() reads the entire first data
item in the file; an entire binary image. This data is then read again in the
_start() method and again in the detectorbase constructor.
"""
try:
with FormatPYunspecified.open_file(image_file, "rb") as fh:
data = image_dict_to_unicode(pickle.load(fh, encoding="bytes"))
except OSError:
return False
if "OSC_START" not in data or "OSC_RANGE" not in data:
return True
return data["OSC_RANGE"] <= 0
def ImageFactory(filename):
global parameters
if type(filename)==type("") and os.path.isfile(filename):
from dxtbx.format.FormatPYunspecified import FormatPYunspecified
assert FormatPYunspecified.understand(filename)
I = FormatPYunspecified(filename).get_detectorbase()
else:
print "This is not a file; assume the data are in the defined dictionary format"
I = NpyImage(filename, source_data=parameters.horizons_phil.indexing.data)
I.readHeader(parameters.horizons_phil)
I.translate_tiles(parameters.horizons_phil)
#from xfel.cxi.display_powder_arcs import apply_gaussian_noise
#apply_gaussian_noise(I,parameters.horizons_phil)
if (parameters.horizons_phil.viewer.powder_arcs.show):
from xfel.cxi.display_powder_arcs import superimpose_powder_arcs
superimpose_powder_arcs(I,parameters.horizons_phil)
return I
def ImageFactory(filename):
global parameters
if type(filename)==type("") and os.path.isfile(filename):
from dxtbx.format.FormatPYunspecified import FormatPYunspecified
assert FormatPYunspecified.understand(filename)
I = FormatPYunspecified(filename).get_detectorbase()
else:
print "This is not a file; assume the data are in the defined dictionary format"
I = NpyImage(filename, source_data=parameters.horizons_phil.indexing.data)
I.readHeader(parameters.horizons_phil)
I.translate_tiles(parameters.horizons_phil)
#from xfel.cxi.display_powder_arcs import apply_gaussian_noise
#apply_gaussian_noise(I,parameters.horizons_phil)
if (parameters.horizons_phil.viewer.powder_arcs.show):
from xfel.cxi.display_powder_arcs import superimpose_powder_arcs
superimpose_powder_arcs(I,parameters.horizons_phil)
return I
def _start(self):
FormatPYunspecified.start_helper(
self, version_token="distl.detector_format_version=CXI 5.1")
def _start(self):
FormatPYunspecified.start_helper(self,version_token="distl.detector_format_version=CXI 7.d")
def __init__(self, image_file):
'''Initialise the image structure from the given file.'''
assert(self.understand(image_file))
FormatPYunspecified.__init__(self, image_file)
def NpyImageFactory(filename):
from dxtbx.format.FormatPYunspecified import FormatPYunspecified
img = FormatPYunspecified(filename)
return img.get_detectorbase()
def __init__(self, image_file, **kwargs):
'''Initialise the image structure from the given file.'''
assert (self.understand(image_file))
FormatPYunspecified.__init__(self, image_file, **kwargs)
def NpyImageFactory(filename): from dxtbx.format.FormatPYunspecified import FormatPYunspecified img = FormatPYunspecified(filename) return img.get_detectorbase()
