def test_crop_in_tof_coverts_units(self):
# Checks that crop_in_tof converts to TOF before cropping
ws_list = []
x_min = 100
x_max = 200
expected_number_of_bins = 20000 # Hard code number of expected bins for dSpacing
for i in range(0, 3):
out_name = "crop_banks_in_dSpacing-" + str(i)
ws_list.append(
mantid.CreateSampleWorkspace(OutputWorkspace=out_name,
XMin=0,
XMax=20000,
BinWidth=1,
XUnit="dSpacing"))
# Crop a single workspace from d_spacing and check the number of bins
tof_single_ws = common.crop_in_tof(ws_to_crop=ws_list[0],
x_min=x_min,
x_max=x_max)
self.assertEqual(tof_single_ws.blocksize(), expected_number_of_bins)
mantid.DeleteWorkspace(tof_single_ws)
# Crop a list of workspaces in dSpacing
cropped_ws_list = common.crop_in_tof(ws_to_crop=ws_list[1:],
x_min=x_min,
x_max=x_max)
for ws in cropped_ws_list:
self.assertEqual(ws.blocksize(), expected_number_of_bins)
mantid.DeleteWorkspace(ws)
def test_crop_in_tof(self):
ws_list = []
x_min = 100
x_max = 500 # Crop to 0-500 microseconds for unit tests
expected_number_of_bins = x_max - x_min
for i in range(0, 3):
out_name = "crop_banks_in_tof-" + str(i)
ws_list.append(
mantid.CreateSampleWorkspace(OutputWorkspace=out_name,
XMin=0,
XMax=600,
BinWidth=1))
# Crop a single workspace in TOF
tof_single_ws = common.crop_in_tof(ws_to_crop=ws_list[0],
x_min=x_min,
x_max=x_max)
self.assertEqual(tof_single_ws.blocksize(), expected_number_of_bins)
mantid.DeleteWorkspace(tof_single_ws)
# Crop a list of workspaces in TOF
cropped_ws_list = common.crop_in_tof(ws_to_crop=ws_list[1:],
x_min=x_min,
x_max=x_max)
for ws in cropped_ws_list:
self.assertEqual(ws.blocksize(), expected_number_of_bins)
mantid.DeleteWorkspace(ws)
def test_crop_in_tof_by_fraction(self):
ws_list = []
x_min = 0.2
x_max = 0.8 # Crop 20% from the front and back.
expected_number_of_bins = 600 * x_max - 100 * (1 + x_min)
for i in range(0, 3):
out_name = "crop_banks_in_tof-" + str(i)
ws_list.append(
mantid.CreateSampleWorkspace(OutputWorkspace=out_name,
XMin=100,
XMax=600,
BinWidth=1))
# Crop a single workspace in TOF
tof_single_ws = common.crop_in_tof(ws_to_crop=ws_list[0],
x_min=x_min,
x_max=x_max)
self.assertEqual(tof_single_ws.blocksize(), expected_number_of_bins)
mantid.DeleteWorkspace(tof_single_ws)
# Crop a list of workspaces in TOF
cropped_ws_list = common.crop_in_tof(ws_to_crop=ws_list[1:],
x_min=x_min,
x_max=x_max)
for ws in cropped_ws_list:
self.assertEqual(ws.blocksize(), expected_number_of_bins)
mantid.DeleteWorkspace(ws)
def test_crop_in_tof(self):
ws_list = []
x_min = 100
x_max = 500 # Crop to 0-500 microseconds for unit tests
expected_number_of_bins = x_max - x_min
for i in range(0, 3):
out_name = "crop_banks_in_tof-" + str(i)
ws_list.append(mantid.CreateSampleWorkspace(OutputWorkspace=out_name, XMin=0, XMax=600, BinWidth=1))
# Crop a single workspace in TOF
tof_single_ws = common.crop_in_tof(ws_to_crop=ws_list[0], x_min=x_min, x_max=x_max)
self.assertEqual(tof_single_ws.blocksize(), expected_number_of_bins)
mantid.DeleteWorkspace(tof_single_ws)
# Crop a list of workspaces in TOF
cropped_ws_list = common.crop_in_tof(ws_to_crop=ws_list[1:], x_min=x_min, x_max=x_max)
for ws in cropped_ws_list:
self.assertEqual(ws.blocksize(), expected_number_of_bins)
mantid.DeleteWorkspace(ws)
def test_crop_in_tof_coverts_units(self):
# Checks that crop_in_tof converts to TOF before cropping
ws_list = []
x_min = 100
x_max = 200
expected_number_of_bins = 20000 # Hard code number of expected bins for dSpacing
for i in range(0, 3):
out_name = "crop_banks_in_dSpacing-" + str(i)
ws_list.append(mantid.CreateSampleWorkspace(OutputWorkspace=out_name, XMin=0, XMax=20000, BinWidth=1,
XUnit="dSpacing"))
# Crop a single workspace from d_spacing and check the number of bins
tof_single_ws = common.crop_in_tof(ws_to_crop=ws_list[0], x_min=x_min, x_max=x_max)
self.assertEqual(tof_single_ws.blocksize(), expected_number_of_bins)
mantid.DeleteWorkspace(tof_single_ws)
# Crop a list of workspaces in dSpacing
cropped_ws_list = common.crop_in_tof(ws_to_crop=ws_list[1:], x_min=x_min, x_max=x_max)
for ws in cropped_ws_list:
self.assertEqual(ws.blocksize(), expected_number_of_bins)
mantid.DeleteWorkspace(ws)
def _crop_van_to_expected_tof_range(self, van_ws_to_crop):
return common.crop_in_tof(
ws_to_crop=van_ws_to_crop,
x_min=self._inst_settings.van_tof_cropping[0],
x_max=self._inst_settings.van_tof_cropping[-1])
def _crop_raw_to_expected_tof_range(self, ws_to_crop):
out_ws = common.crop_in_tof(
ws_to_crop=ws_to_crop,
x_min=self._inst_settings.raw_data_crop_vals[0],
x_max=self._inst_settings.raw_data_crop_vals[-1])
return out_ws
def _crop_raw_to_expected_tof_range(self, ws_to_crop):
raw_cropping_values = self._inst_settings.raw_tof_cropping_values
return common.crop_in_tof(ws_to_crop, raw_cropping_values[0], raw_cropping_values[1])
def _crop_van_to_expected_tof_range(self, van_ws_to_crop):
return common.crop_in_tof(ws_to_crop=van_ws_to_crop, x_min=self._inst_settings.van_tof_cropping[0],
x_max=self._inst_settings.van_tof_cropping[-1])
def _crop_raw_to_expected_tof_range(self, ws_to_crop):
out_ws = common.crop_in_tof(ws_to_crop=ws_to_crop, x_min=self._inst_settings.raw_data_crop_vals[0],
x_max=self._inst_settings.raw_data_crop_vals[-1])
return out_ws