def __init__(self, data_file, workspace_name=None):
self.errors = []
if HAS_MANTID:
try:
if workspace_name is None:
self.data_ws = "__raw_data_file"
else:
self.data_ws = str(workspace_name)
reducer = SANSReducer()
reducer.set_instrument(hfir_instrument.HFIRSANS())
loader = LoadRun(str(data_file))
loader.execute(reducer, self.data_ws)
x = mtd[self.data_ws].dataX(0)
self.wavelength = (x[0] + x[1]) / 2.0
self.wavelength_spread = x[1] - x[0]
self.sample_detector_distance = mtd[self.data_ws].getRun().getProperty("sample_detector_distance").value
self.sample_thickness = mtd[self.data_ws].getRun().getProperty("sample-thickness").value
self.beam_diameter = mtd[self.data_ws].getRun().getProperty("beam-diameter").value
if False and HAS_NUMPY:
nx_pixels = int(mtd[self.data_ws].getInstrument().getNumberParameter("number-of-x-pixels")[0])
ny_pixels = int(mtd[self.data_ws].getInstrument().getNumberParameter("number-of-y-pixels")[0])
nMonitors = int(mtd[self.data_ws].getInstrument().getNumberParameter("number-of-monitors")[0])
raw_data = numpy.zeros(nx_pixels * ny_pixels)
for i in range(nMonitors - 1, nx_pixels * ny_pixels + nMonitors):
raw_data[i - nMonitors] = mtd[self.data_ws].readY(i)[0]
self.data = numpy.reshape(raw_data, (nx_pixels, ny_pixels), order="F")
mtd.sendLogMessage("Loaded data file: %s" % data_file)
except:
mtd.sendLogMessage("DataProxy: Error loading data file:\n%s" % sys.exc_value)
self.errors.append("Error loading data file:\n%s" % sys.exc_value)
def __init__(self):
SANSReducer.__init__(self)
self._dark_current_subtracter_class = None
self._sample_run = Sample()
self.output_wksp = None
self.full_trans_wav = False
self._monitor_set = False
#workspaces that this reducer uses and will delete at the end
self._temporys = {}
#the output workspaces created by a data analysis
self._outputs = {}
#all workspaces created by this reducer
self._workspace = [self._temporys, self._outputs]
self._init_steps()
#process the background (can) run instead of the sample
self._process_can = False
# Python 2.4 has a problem deep copying the _resolution_calculator in
# the base class. ISIS don't need it so kill it off here
self._resolution_calculator = None
