def __init__(self, image_file, **kwargs):
'''Initialise the image structure from the given file, including a
proper model of the experiment.'''
from dxtbx import IncorrectFormatError
if not self.understand(image_file):
raise IncorrectFormatError(self, image_file)
FormatSMVADSCSN.__init__(self, image_file, **kwargs)
def __init__(self, image_file, **kwargs):
'''Initialise the image structure from the given file, including a
proper model of the experiment.'''
assert (self.understand(image_file))
FormatSMVADSCSN.__init__(self, image_file, **kwargs)
return
def __init__(self, image_file):
'''Initialise the image structure from the given file, including a
proper model of the experiment.'''
assert(self.understand(image_file))
FormatSMVADSCSN.__init__(self, image_file)
return
def get_raw_data(self):
'''Get the pixel intensities (i.e. read the image and return as a
flex array of integers.)'''
from boost.python import streambuf
from dxtbx import read_uint16, read_uint16_bs, is_big_endian
from scitbx.array_family import flex
assert(len(self.get_detector()) == 1)
image_pedestal = int(self._header_dictionary['IMAGE_PEDESTAL'])
panel = self.get_detector()[0]
size = panel.get_image_size()
f = FormatSMVADSCSN.open_file(self._image_file, 'rb')
f.read(self._header_size)
if self._header_dictionary['BYTE_ORDER'] == 'big_endian':
big_endian = True
else:
big_endian = False
if big_endian == is_big_endian():
raw_data = read_uint16(streambuf(f), int(size[0] * size[1]))
else:
raw_data = read_uint16_bs(streambuf(f), int(size[0] * size[1]))
# apply image pedestal, will result in *negative pixel values*
raw_data -= image_pedestal
image_size = panel.get_image_size()
raw_data.reshape(flex.grid(image_size[1], image_size[0]))
return raw_data
def get_raw_data(self):
'''Get the pixel intensities (i.e. read the image and return as a
flex array of integers.)'''
from boost.python import streambuf
from dxtbx import read_uint16, read_uint16_bs, is_big_endian
from scitbx.array_family import flex
assert (len(self.get_detector()) == 1)
image_pedestal = int(self._header_dictionary['IMAGE_PEDESTAL'])
panel = self.get_detector()[0]
size = panel.get_image_size()
f = FormatSMVADSCSN.open_file(self._image_file, 'rb')
f.read(self._header_size)
if self._header_dictionary['BYTE_ORDER'] == 'big_endian':
big_endian = True
else:
big_endian = False
if big_endian == is_big_endian():
raw_data = read_uint16(streambuf(f), int(size[0] * size[1]))
else:
raw_data = read_uint16_bs(streambuf(f), int(size[0] * size[1]))
# apply image pedestal, will result in *negative pixel values*
raw_data -= image_pedestal
image_size = panel.get_image_size()
raw_data.reshape(flex.grid(image_size[1], image_size[0]))
return raw_data
def understand(image_file):
"""Check to see if this is ADSC SN 920."""
# check this is detector serial number 920
size, header = FormatSMVADSCSN.get_smv_header(image_file)
return int(header["DETECTOR_SN"]) == 920
def understand(image_file):
'''Check to see if this is ADSC SN 928.'''
# check this is detector serial number 928
size, header = FormatSMVADSCSN.get_smv_header(image_file)
if int(header['DETECTOR_SN']) != 928:
return False
return True
def understand(image_file):
'''Check to see if this is ADSC SN 928.'''
# check this is detector serial number 928
size, header = FormatSMVADSCSN.get_smv_header(image_file)
if int(header['DETECTOR_SN']) != 928:
return False
return True
def understand(image_file):
'''Check to see if this is ADSC SN 458 or 914.'''
# check this is detector serial number 458 or 914
size, header = FormatSMVADSCSN.get_smv_header(image_file)
if int(header['DETECTOR_SN']) not in (458, 914):
return False
return True
def understand(image_file):
"""Check to see if this is ADSC SN 926."""
# check this is detector serial number 926 (or 907)
size, header = FormatSMVADSCSN.get_smv_header(image_file)
if int(header["DETECTOR_SN"]) not in [926, 907]:
return False
return True
def understand(image_file):
"""Check to see if this is ADSC SN 905."""
# check this is detector serial number 905
size, header = FormatSMVADSCSN.get_smv_header(image_file)
if int(header["DETECTOR_SN"]) != 905:
return False
return True
def understand(image_file):
"""Check to see if this is ADSC SN 457."""
# check this is detector serial number 457
size, header = FormatSMVADSCSN.get_smv_header(image_file)
if int(header["DETECTOR_SN"]) != 457:
return False
return True
def understand(image_file):
'''Check to see if this is ADSC SN 458 or 914.'''
# check this is detector serial number 458 or 914
size, header = FormatSMVADSCSN.get_smv_header(image_file)
if int(header['DETECTOR_SN']) not in (458, 914):
return False
return True
'+x', '-y', (pixel_size, pixel_size), image_size,
(underload, overload), [])
def _goniometer(self):
'''Return a model for a simple single-axis goniometer. This should
probably be checked against the image header.'''
return self._goniometer_factory.single_axis_reverse()
def _scan(self):
'''Return the scan information for this image. There may be
no timestamps in there...'''
format = self._scan_factory.format('SMV')
exposure_time = float(self._header_dictionary['TIME'])
epoch = 0
osc_start = float(self._header_dictionary['OSC_START'])
osc_range = float(self._header_dictionary['OSC_RANGE'])
return self._scan_factory.single(self._image_file, format,
exposure_time, osc_start, osc_range,
epoch)
if __name__ == '__main__':
import sys
for arg in sys.argv[1:]:
print FormatSMVADSCSN.understand(arg)
(beam_y, (image_size[1] * pixel_size) - beam_x),
'+x', '-y',
(pixel_size, pixel_size), image_size, (underload, overload), [])
def _goniometer(self):
'''Return a model for a simple single-axis goniometer. This should
probably be checked against the image header.'''
return self._goniometer_factory.single_axis_reverse()
def _scan(self):
'''Return the scan information for this image. There may be
no timestamps in there...'''
format = self._scan_factory.format('SMV')
exposure_time = float(self._header_dictionary['TIME'])
epoch = 0
osc_start = float(self._header_dictionary['OSC_START'])
osc_range = float(self._header_dictionary['OSC_RANGE'])
return self._scan_factory.single(
self._image_file, format, exposure_time,
osc_start, osc_range, epoch)
if __name__ == '__main__':
import sys
for arg in sys.argv[1:]:
print FormatSMVADSCSN.understand(arg)
