本文整理汇总了Python中dxtbx.format.Format.Format类的典型用法代码示例。如果您正苦于以下问题:Python Format类的具体用法?Python Format怎么用?Python Format使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Format类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
def __init__(self, image_file):
'''Initialise the image structure from the given file.'''
Format.__init__(self, image_file)
assert(self.understand(image_file))
return
示例2: understand
def understand(image_file):
'''See if this looks like an RAXIS format image - clue is first
5 letters of file should be RAXIS.'''
if Format.open_file(image_file).read(5) == 'RAXIS':
return True
return False
示例3: _start
def _start(self):
self._header_bytes = Format.open_file(self._image_file).read(1024)
if self._header_bytes[812:822].strip() in ['SGI', 'IRIS']:
self._f = '>f'
self._i = '>i'
else:
self._f = '<f'
self._i = '<i'
示例4: read_basic_tiff_header
def read_basic_tiff_header(filename):
'''Read the TIFF header (assuming for the moment a 4k header...) and
return ... something.'''
# things we hope to learn from the vanilla TIFF header
image_width = None
image_height = None
image_depth = None
header_size = None
byte_order = None
# OK then let's get started - and let's assume that the size is > 1 kb
byte_order = tiff_byte_order(filename)
tiff_header = Format.open_file(filename, 'rb').read(1024)
if byte_order == LITTLE_ENDIAN:
_I = '<I'
_H = '<H'
else:
_I = '>I'
_H = '>H'
offset = struct.unpack(_I, tiff_header[4:8])[0]
ntags = struct.unpack(_H, tiff_header[offset:offset + 2])[0]
start = offset + 2
for j in range(ntags):
type_desc = struct.unpack(_H, tiff_header[start:start + 2])[0]
start += 2
type_type = struct.unpack(_H, tiff_header[start:start + 2])[0]
start += 2
type_size = struct.unpack(_I, tiff_header[start:start + 4])[0]
start += 4
if type_type == 4:
type_offset_or_value = struct.unpack(
_I, tiff_header[start:start + 4])[0]
start += 4
elif type_type == 3:
type_offset_or_value = struct.unpack(
_H, tiff_header[start:start + 2])[0]
start += 4
if type_desc == 256:
image_width = type_offset_or_value
elif type_desc == 257:
image_height = type_offset_or_value
elif type_desc == 258:
image_depth = type_offset_or_value
elif type_desc == 273:
header_size = type_offset_or_value
return image_width, image_height, image_depth, header_size, byte_order
示例5: __init__
def __init__(self, image_file, **kwargs):
'''
Initialise the class
'''
assert(self.understand(image_file))
import json
self.header = json.load(open(image_file))
self._goniometer_instance = None
self._detector_instance = None
self._beam_instance = None
self._scan_instance = None
FormatMultiImage.__init__(self, **kwargs)
Format.__init__(self, image_file, **kwargs)
self.setup()
return
示例6: _start
def _start(self):
self._header_bytes = Format.open_file(self._image_file).read(1024)
if self._header_bytes[812:822].strip() in ['SGI', 'IRIS']:
self._f = '>f'
self._i = '>i'
else:
self._f = '<f'
self._i = '<i'
from iotbx.detectors.raxis import RAXISImage
self.detectorbase = RAXISImage(self._image_file)
self.detectorbase.readHeader()
示例7: tiff_byte_order
def tiff_byte_order(filename):
'''Determine the byte order for the file from the magic numbers at the
very start of the file.'''
four_bytes = Format.open_file(filename, 'rb').read(4)
if 'II' in four_bytes[:2]:
assert(struct.unpack('<H', four_bytes[2:])[0] == 42)
return LITTLE_ENDIAN
elif 'MM' in four_bytes[:2]:
assert(struct.unpack('>H', four_bytes[2:])[0] == 42)
return BIG_ENDIAN
raise RuntimeError, '%s not recognised as TIFF' % filename
示例8: _start
def _start(self):
'''Open the image file, read the image header, copy it into memory
for future inspection.'''
Format._start(self)
self._cif_header = FormatCBF.get_cbf_header(self._image_file)
self._mime_header = ''
in_binary_format_section = False
for record in FormatCBF.open_file(self._image_file, 'rb'):
if '--CIF-BINARY-FORMAT-SECTION--' in record:
in_binary_format_section = True
elif in_binary_format_section and record[0] == 'X':
self._mime_header += record
if in_binary_format_section and len(record.strip()) == 0:
# http://sourceforge.net/apps/trac/cbflib/wiki/ARRAY_DATA%20Category
# In an imgCIF file, the encoded binary data begins after
# the empty line terminating the header.
break
return
示例9: get_beam
def get_beam(self, index=None):
return Format.get_beam(self)
示例10: get_detector
def get_detector(self, index=None):
return Format.get_detector(self)
示例11: get_goniometer
def get_goniometer(self, index=None):
return Format.get_goniometer(self)
示例12: __init__
def __init__(self, image_file, **kwargs):
'''Initialise the image structure from the given file.'''
assert(self.understand(image_file))
Format.__init__(self, image_file, **kwargs)
示例13: __init__
def __init__(self, image_file):
assert(self.understand(image_file))
FormatMultiImage.__init__(self)
Format.__init__(self, image_file)
示例14: __init__
def __init__(self, image_file):
assert(self.understand(image_file))
Format.__init__(self, image_file)
return
示例15: get_scan
def get_scan(self, index=None):
if index == None:
return Format.get_scan(self)
else:
scan = Format.get_scan(self)
return scan[index]