def single(filename, format, exposure_times, osc_start, osc_width, epoch):
'''Construct an scan instance for a single image.'''
import os
index = scan_helper_image_files.image_to_index(os.path.split(filename)[-1])
if epoch is None:
epoch = 0.0
return scan_factory.make_scan(
(index, index), exposure_times, (osc_start, osc_width),
{index:epoch})
def imgCIF_H(cif_file, cbf_handle):
'''Initialize a scan model from an imgCIF file handle, where it is
assumed that the file has already been read.'''
exposure = cbf_handle.get_integration_time()
timestamp = cbf_handle.get_timestamp()[0]
gonio = cbf_handle.construct_goniometer()
angles = tuple(gonio.get_rotation_range())
index = scan_helper_image_files.image_to_index(cif_file)
gonio.__swig_destroy__(gonio)
return scan_factory.make_scan(
(index, index), exposure, angles, {index:timestamp})
def imgCIF_H(cif_file, cbf_handle):
'''Initialize a scan model from an imgCIF file handle, where it is
assumed that the file has already been read.'''
exposure = cbf_handle.get_integration_time()
timestamp = cbf_handle.get_timestamp()[0]
gonio = cbf_handle.construct_goniometer()
angles = tuple(gonio.get_rotation_range())
# xia2-56 handle gracefully reverse turning goniometers - this assumes the
# rotation axis is correctly inverted in the goniometer factory
if angles[1] < 0:
angles = -angles[0], -angles[1]
index = scan_helper_image_files.image_to_index(cif_file)
gonio.__swig_destroy__(gonio)
return scan_factory.make_scan(
(index, index), exposure, angles, {index:timestamp})
