def __init__(self,
domain,
range,
sinogram,
settings=None,
settings_file_name=None):
if settings_file_name is None and settings is None:
settings = {}
elif settings_file_name is not None and settings is not None:
raise ValueError('need either `settings_file_name` or `settings`')
elif settings is not None:
settings.update(settings_from_domain(domain))
settings_file_name = make_settings_file(settings)
self.umap_file_name = settings['UMAPFILENAME']
self.settings_file_name = settings_file_name
self.volume_file = tempfile.NamedTemporaryFile(mode='w+')
self.scatter_file = tempfile.NamedTemporaryFile(mode='r')
self.sinogram_in = tempfile.NamedTemporaryFile(mode='w+', delete=False)
fortransino = np.asfortranarray(sinogram, dtype='float32')
fortransino = fortransino.swapaxes(0, 2)
self.sinogram_in.seek(0)
self.sinogram_in.write(fortransino.tobytes())
self.sinogram_in.flush()
odl.Operator.__init__(self, domain, range, linear=False)
def __init__(self, domain, range, geometry, settings):
settings.update(settings_from_domain(range))
settings_file_name = make_settings_file(settings)
self.geometry = geometry
self.settings_file_name = settings_file_name
self.settings = settings
self.sinogram_file = tempfile.NamedTemporaryFile(mode='w+')
self.backproj_file = tempfile.NamedTemporaryFile(mode='r')
odl.Operator.__init__(self, domain, range, linear=True)
def __init__(self, domain, range, settings=None, settings_file_name=None):
if settings_file_name is None and settings is None:
settings = {}
elif settings_file_name is not None and settings is not None:
raise ValueError('need either `settings_file_name` or `settings`')
elif settings is not None:
settings.update(settings_from_domain(domain))
settings_file_name = make_settings_file(settings)
self.settings_file_name = settings_file_name
self.sinogram_file = tempfile.NamedTemporaryFile(mode='w+')
self.backproj_file = tempfile.NamedTemporaryFile(mode='r')
odl.Operator.__init__(self, domain, range, linear=True)
def __init__(self, domain, range, geometry, settings):
settings.update(settings_from_domain(domain))
settings_file_name = make_settings_file(settings)
self.settings = settings
self.settings_file_name = settings_file_name
self.geometry = geometry
self.volume_file = tempfile.NamedTemporaryFile(mode='w+')
self.sinogram_file = tempfile.NamedTemporaryFile(mode='r')
# Create reference sinogram file
npsinogram = np.asarray(range.zero(), dtype='float32')
sinogram_with_geom = np.hstack((self.geometry, npsinogram[:, None]))
fortransinogram = np.asfortranarray(sinogram_with_geom,
dtype='float32')
self.reference_sinogram_file = tempfile.NamedTemporaryFile(mode='w+')
self.reference_sinogram_file.write(fortransinogram.tobytes())
self.reference_sinogram_file.flush()
odl.Operator.__init__(self, domain, range, linear=True)