def setUp(self):
input_ws = CreateSampleWorkspace(
Function="User Defined",
UserDefinedFunction="name=LinearBackground, " +
"A0=0.3;name=Gaussian, PeakCentre=5, Height=10, Sigma=0.3",
NumBanks=2,
BankPixelWidth=1,
XMin=0,
XMax=10,
BinWidth=0.1,
BankDistanceFromSample=4.0)
self._input_ws = input_ws
self._table = FindEPP(input_ws, OutputWorkspace="table")
AddSampleLog(self._input_ws,
LogName='wavelength',
LogText='4.0',
LogType='Number',
LogUnit='Angstrom')
for i in range(input_ws.getNumberHistograms()):
y = input_ws.dataY(i)
y.fill(0.)
y[51] = 100.
e = input_ws.dataE(i)
e.fill(0.)
e[51] = 10.
def setUp(self):
input_ws = CreateSampleWorkspace(Function="User Defined",
UserDefinedFunction="name=LinearBackground, A0=0.3;name=Gaussian, \
PeakCentre=5, Height=10, Sigma=0.3", NumBanks=2, BankPixelWidth=1,
XMin=0, XMax=10, BinWidth=0.1, BankDistanceFromSample=4.0)
self._input_ws = input_ws
self._table = FindEPP(input_ws, OutputWorkspace="table")
AddSampleLog(self._input_ws, LogName='wavelength', LogText='4.0', LogType='Number', LogUnit='Angstrom')
def setUp(self):
input_ws = CreateSampleWorkspace(
Function="User Defined",
UserDefinedFunction="name=LinearBackground, " +
"A0=0.3;name=Gaussian, PeakCentre=5, Height=10, Sigma=0.3",
NumBanks=2, BankPixelWidth=1, XMin=0, XMax=10, BinWidth=0.1,
BankDistanceFromSample=4.0)
self._input_ws = input_ws
self._table = FindEPP(input_ws, OutputWorkspace="table")
AddSampleLog(self._input_ws, LogName='wavelength', LogText='4.0',
LogType='Number', LogUnit='Angstrom')
# These ranges correspond to 6*FWHM of the gaussian above,
# the integration ranges of ComputeCalibrationCoefVan.
self._lowerBoundRange = slice(28, 73)
self._upperBoundRange = slice(27, 74)
def _fitElasticChannel(ys, wsNames, wsCleanup, algorithmLogging):
"""Return index to the peak position of ys."""
xs = np.array([i for i in range(len(ys))])
l2SumWSName = wsNames.withSuffix('summed_detectors_at_l2')
l2SumWS = CreateWorkspace(OutputWorkspace=l2SumWSName,
DataX=xs,
DataY=ys,
EnableLogging=algorithmLogging)
fitWSName = wsNames.withSuffix('summed_detectors_at_l2_fit_results')
fitWS = FindEPP(InputWorkspace=l2SumWS,
OutputWorkspace=fitWSName,
EnableLogging=algorithmLogging)
peakCentre = float(fitWS.cell('PeakCentre', 0))
wsCleanup.cleanup(l2SumWS)
wsCleanup.cleanup(fitWS)
return peakCentre
def _fitElasticChannel(ys, wsNames, wsCleanup, algorithmLogging):
"""Return index to the peak position of ys."""
xs = numpy.array([i for i in range(len(ys))])
l2SumWSName = wsNames.withSuffix('summed_detectors_at_l2')
l2SumWS = CreateWorkspace(OutputWorkspace=l2SumWSName,
DataX=xs,
DataY=ys,
EnableLogging=algorithmLogging)
fitWSName = wsNames.withSuffix('summed_detectors_at_l2_fit_results')
fitWS = FindEPP(InputWorkspace=l2SumWS,
OutputWorkspace=fitWSName,
EnableLogging=algorithmLogging)
peakCentre = float(fitWS.cell('PeakCentre', 0))
wsCleanup.cleanup(l2SumWS)
wsCleanup.cleanup(fitWS)
return int(round(peakCentre))
def test_calculation_fitsample(self):
OutputWorkspaceName = "outputws"
# generate EPP table
table = FindEPP(self._input_ws)
alg_test = run_algorithm("TOFTOFConvertTofToDeltaE",
InputWorkspace=self._input_ws,
EPPTable=table,
OutputWorkspace=OutputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(OutputWorkspaceName)
# create reference data for X axis
dataX = np.linspace(4005.75, 7995.75, 381)
tel = 6005.25
factor = m_n * 1e+15 / eV
newX = 0.5 * factor * 16.0 * (1 / tel**2 - 1 / dataX**2)
# compare
self.assertTrue(np.allclose(newX, wsoutput.readX(0))) # sdd = 4.0
self.assertTrue(np.allclose(4.0 * newX,
wsoutput.readX(1))) # sdd = 8.0
# create reference data for Y axis and compare to the output
tof = dataX[:-1] + 5.25
newY = self._input_ws.readY(0) * tof**3 / (factor * 10.5 * 16.0)
self.assertTrue(np.allclose(newY, wsoutput.readY(0))) # sdd = 4.0
self.assertTrue(np.allclose(newY / 4.0,
wsoutput.readY(1))) # sdd = 8.0
DeleteWorkspace(wsoutput)
DeleteWorkspace(table)
def setUp(self):
input_ws = CreateSampleWorkspace(Function="User Defined",
UserDefinedFunction="name=LinearBackground, A0=0.3;name=Gaussian, \
PeakCentre=5, Height=10, Sigma=0.3", NumBanks=2, BankPixelWidth=1,
XMin=0, XMax=10, BinWidth=0.1, BankDistanceFromSample=4.0)
self._input_ws = input_ws
self._table = FindEPP(input_ws, OutputWorkspace="table")
AddSampleLog(self._input_ws, LogName='wavelength', LogText='4.0', LogType='Number', LogUnit='Angstrom')
def _fitEPP(ws, wsType, wsNames, algorithmLogging):
"""Return a fitted EPP table for a workspace."""
if wsType == common.WS_CONTENT_DETS:
eppWSName = wsNames.withSuffix('epp_detectors')
else:
eppWSName = wsNames.withSuffix('epp_monitors')
eppWS = FindEPP(InputWorkspace=ws,
OutputWorkspace=eppWSName,
EnableLogging=algorithmLogging)
return eppWS
def setUp(self):
input_ws = CreateSampleWorkspace(
Function="User Defined",
UserDefinedFunction="name=LinearBackground, " +
"A0=0.3;name=Gaussian, PeakCentre=5, Height=10, Sigma=0.3",
NumBanks=2, BankPixelWidth=1, XMin=0, XMax=10, BinWidth=0.1,
BankDistanceFromSample=4.0)
self._input_ws = input_ws
self._table = FindEPP(input_ws, OutputWorkspace="table")
AddSampleLog(self._input_ws, LogName='wavelength', LogText='4.0',
LogType='Number', LogUnit='Angstrom')
for i in range(input_ws.getNumberHistograms()):
y = input_ws.dataY(i)
y.fill(0.)
y[51] = 100.
e = input_ws.dataE(i)
e.fill(0.)
e[51] = 10.
def _EPPTable(self, ws, eppWSName):
eppWS = FindEPP(InputWorkspace=ws,
OutputWorkspace=eppWSName,
EnableLogging=False)
return eppWS
class ComputeCalibrationCoefVanTest(unittest.TestCase):
def setUp(self):
input_ws = CreateSampleWorkspace(
Function="User Defined",
UserDefinedFunction="name=LinearBackground, " +
"A0=0.3;name=Gaussian, PeakCentre=5, Height=10, Sigma=0.3",
NumBanks=2, BankPixelWidth=1, XMin=0, XMax=10, BinWidth=0.1,
BankDistanceFromSample=4.0)
self._input_ws = input_ws
self._table = FindEPP(input_ws, OutputWorkspace="table")
AddSampleLog(self._input_ws, LogName='wavelength', LogText='4.0',
LogType='Number', LogUnit='Angstrom')
# These ranges correspond to 6*FWHM of the gaussian above,
# the integration ranges of ComputeCalibrationCoefVan.
self._lowerBoundRange = slice(28, 73)
self._upperBoundRange = slice(27, 74)
def test_output(self):
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
# Output = Vanadium ws
self.assertEqual(wsoutput.getRun().getLogData('run_title').value,
self._input_ws.getRun().getLogData('run_title').value)
# Size of output workspace
self.assertEqual(wsoutput.getNumberHistograms(),
self._input_ws.getNumberHistograms())
DeleteWorkspace(wsoutput)
return
def test_sum(self):
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
# Check whether the sum is calculated correctly, for theta=0, dwf=1
# The result should be somewhere between the full bin sums.
y_sumMin = np.sum(self._input_ws.readY(0)[self._lowerBoundRange])
y_sumMax = np.sum(self._input_ws.readY(0)[self._upperBoundRange])
e_sumMin = np.sqrt(np.sum(np.square(self._input_ws.readE(0)[self._lowerBoundRange])))
e_sumMax = np.sqrt(np.sum(np.square(self._input_ws.readE(0)[self._upperBoundRange])))
self.assertLess(y_sumMin, wsoutput.readY(0)[0])
self.assertGreater(y_sumMax, wsoutput.readY(0)[0])
self.assertLess(e_sumMin, wsoutput.readE(0)[0])
self.assertGreater(e_sumMax, wsoutput.readE(0)[0])
DeleteWorkspace(wsoutput)
def test_dwf_using_default_temperature(self):
outputWorkspaceName = "output_ws"
# change theta to make dwf != 1
EditInstrumentGeometry(self._input_ws, L2="4,8", Polar="0,15",
Azimuthal="0,0", DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 293.0)
DeleteWorkspace(wsoutput)
def test_temperature_from_sample_log(self):
self._input_ws.mutableRun().addProperty('temperature', 0.0, True)
outputWorkspaceName = "output_ws"
EditInstrumentGeometry(self._input_ws, L2="4,8", Polar="0,15",
Azimuthal="0,0", DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 0.0)
DeleteWorkspace(wsoutput)
def test_temperature_input_overrides_sample_log(self):
self._input_ws.mutableRun().addProperty('temperature', 567.0, True)
outputWorkspaceName = "output_ws"
EditInstrumentGeometry(self._input_ws, L2="4,8", Polar="0,15",
Azimuthal="0,0", DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName,
Temperature=0.0)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 0.0)
DeleteWorkspace(wsoutput)
def test_input_not_modified(self):
backup = CloneWorkspace(self._input_ws)
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
self.assertTrue(CompareWorkspaces(backup, self._input_ws)[0])
DeleteWorkspace(backup)
def tearDown(self):
if AnalysisDataService.doesExist(self._input_ws.name()):
DeleteWorkspace(self._input_ws)
if AnalysisDataService.doesExist(self._table.name()):
DeleteWorkspace(self._table)
def _checkDWF(self, wsoutput, temperature):
if temperature == 0.0:
integral = 0.5
elif temperature == 293.0:
integral = 4.736767162094296 / 3.0
else:
raise RuntimeError("Unsupported temperature supplied to " +
"_checkDWF(). Use 0K or 293K only.")
y_sumMin = np.sum(self._input_ws.readY(1)[self._lowerBoundRange])
y_sumMax = np.sum(self._input_ws.readY(1)[self._upperBoundRange])
e_sumMin = np.sqrt(np.sum(np.square(self._input_ws.readE(1)[self._lowerBoundRange])))
e_sumMax = np.sqrt(np.sum(np.square(self._input_ws.readE(1)[self._upperBoundRange])))
mvan = 0.001*50.942/N_A
Bcoef = 3.0*integral*1e+20*hbar*hbar/(2.0*mvan*k*389.0)
dwf = np.exp(
-1.0*Bcoef*(4.0*np.pi*np.sin(0.5*np.radians(15.0))/4.0)**2)
self.assertLess(y_sumMin/dwf, wsoutput.readY(1)[0])
self.assertGreater(y_sumMax/dwf, wsoutput.readY(1)[0])
self.assertLess(e_sumMin/dwf, wsoutput.readE(1)[0])
self.assertGreater(e_sumMax/dwf, wsoutput.readE(1)[0])
class ComputeCalibrationCoefVanTest(unittest.TestCase):
def setUp(self):
input_ws = CreateSampleWorkspace(
Function="User Defined",
UserDefinedFunction="name=LinearBackground, " +
"A0=0.3;name=Gaussian, PeakCentre=5, Height=10, Sigma=0.3",
NumBanks=2,
BankPixelWidth=1,
XMin=0,
XMax=10,
BinWidth=0.1,
BankDistanceFromSample=4.0)
self._input_ws = input_ws
self._table = FindEPP(input_ws, OutputWorkspace="table")
AddSampleLog(self._input_ws,
LogName='wavelength',
LogText='4.0',
LogType='Number',
LogUnit='Angstrom')
for i in range(input_ws.getNumberHistograms()):
y = input_ws.dataY(i)
y.fill(0.)
y[51] = 100.
e = input_ws.dataE(i)
e.fill(0.)
e[51] = 10.
def test_output(self):
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
# Output = Vanadium ws
self.assertEqual(wsoutput.getRun().getLogData('run_title').value,
self._input_ws.getRun().getLogData('run_title').value)
# Size of output workspace
self.assertEqual(wsoutput.getNumberHistograms(),
self._input_ws.getNumberHistograms())
DeleteWorkspace(wsoutput)
return
def test_sum(self):
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
for i in range(wsoutput.getNumberHistograms()):
self.assertEqual(100., wsoutput.readY(i)[0])
self.assertEqual(10., wsoutput.readE(i)[0])
DeleteWorkspace(wsoutput)
def test_dwf_using_default_temperature(self):
outputWorkspaceName = "output_ws"
# change theta to make dwf != 1
EditInstrumentGeometry(self._input_ws,
L2="4,8",
Polar="0,15",
Azimuthal="0,0",
DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 293.0)
DeleteWorkspace(wsoutput)
def test_temperature_from_sample_log(self):
self._input_ws.mutableRun().addProperty('temperature', 0.0, True)
outputWorkspaceName = "output_ws"
EditInstrumentGeometry(self._input_ws,
L2="4,8",
Polar="0,15",
Azimuthal="0,0",
DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 0.0)
DeleteWorkspace(wsoutput)
def test_temperature_log_is_time_series(self):
outputWorkspaceName = "output_ws"
EditInstrumentGeometry(self._input_ws,
L2="4,8",
Polar="0,15",
Azimuthal="0,0",
DetectorIDs="1,2")
AddTimeSeriesLog(self._input_ws,
'temperature',
'2010-09-14T04:20:12',
Value='0.0')
AddTimeSeriesLog(self._input_ws,
'temperature',
'2010-09-14T04:20:13',
Value='0.0')
AddTimeSeriesLog(self._input_ws,
'temperature',
'2010-09-14T04:20:14',
Value='0.0')
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 0.0)
def test_temperature_log_name_from_IPF(self):
self._input_ws.mutableRun().addProperty('sample.temperature', 0.0,
True)
EditInstrumentGeometry(self._input_ws,
L2="4,8",
Polar="0,15",
Azimuthal="0,0",
DetectorIDs="1,2")
SetInstrumentParameter(Workspace=self._input_ws,
ParameterName="temperature_log_entry",
ParameterType="String",
Value="sample.temperature")
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 0.)
def test_temperature_input_overrides_sample_log(self):
self._input_ws.mutableRun().addProperty('temperature', 567.0, True)
outputWorkspaceName = "output_ws"
EditInstrumentGeometry(self._input_ws,
L2="4,8",
Polar="0,15",
Azimuthal="0,0",
DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName,
Temperature=0.0)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 0.0)
DeleteWorkspace(wsoutput)
def test_input_not_modified(self):
backup = CloneWorkspace(self._input_ws)
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
self.assertTrue(CompareWorkspaces(backup, self._input_ws)[0])
DeleteWorkspace(backup)
def test_disabled_debye_waller_correction(self):
outputWorkspaceName = "output_ws"
# change theta to make dwf != 1
EditInstrumentGeometry(self._input_ws,
L2="4,8",
Polar="0,15",
Azimuthal="0,0",
DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName,
EnableDWF=False)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
for i in range(wsoutput.getNumberHistograms()):
self.assertEqual(100., wsoutput.readY(i)[0])
self.assertEqual(10., wsoutput.readE(i)[0])
DeleteWorkspace(wsoutput)
def tearDown(self):
if AnalysisDataService.doesExist(self._input_ws.name()):
DeleteWorkspace(self._input_ws)
if AnalysisDataService.doesExist(self._table.name()):
DeleteWorkspace(self._table)
def _checkDWF(self, wsoutput, temperature):
self.assertEqual(100., wsoutput.readY(0)[0])
self.assertEqual(10., wsoutput.readE(0)[0])
if temperature == 0.0:
integral = 0.5
elif temperature == 293.0:
integral = 4.736767162094296 / 3.0
else:
raise RuntimeError("Unsupported temperature supplied to " +
"_checkDWF(). Use 0K or 293K only.")
mvan = 0.001 * 50.942 / N_A
Bcoef = 3.0 * integral * 1e+20 * hbar * hbar / (2.0 * mvan * k * 389.0)
dwf = np.exp(-1.0 * Bcoef *
(4.0 * np.pi * np.sin(0.5 * np.radians(15.0)) / 4.0)**2)
self.assertEqual(100. / dwf, wsoutput.readY(1)[0])
self.assertEqual(10. / dwf, wsoutput.readE(1)[0])
class ComputeCalibrationCoefVanTest(unittest.TestCase):
def setUp(self):
input_ws = CreateSampleWorkspace(
Function="User Defined",
UserDefinedFunction="name=LinearBackground, A0=0.3;name=Gaussian, \
PeakCentre=5, Height=10, Sigma=0.3",
NumBanks=2,
BankPixelWidth=1,
XMin=0,
XMax=10,
BinWidth=0.1,
BankDistanceFromSample=4.0)
self._input_ws = input_ws
self._table = FindEPP(input_ws, OutputWorkspace="table")
AddSampleLog(self._input_ws,
LogName='wavelength',
LogText='4.0',
LogType='Number',
LogUnit='Angstrom')
def test_output(self):
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
# Output = Vanadium ws
self.assertEqual(wsoutput.getRun().getLogData('run_title').value,
self._input_ws.getRun().getLogData('run_title').value)
# Size of output workspace
self.assertEqual(wsoutput.getNumberHistograms(),
self._input_ws.getNumberHistograms())
DeleteWorkspace(wsoutput)
return
def test_sum(self):
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
# check whether sum is calculated correctly, for theta=0, dwf=1
y_sum = sum(self._input_ws.readY(0)[27:75])
self.assertAlmostEqual(y_sum, wsoutput.readY(0)[0])
DeleteWorkspace(wsoutput)
def test_dwf(self):
outputWorkspaceName = "output_ws"
# change theta to make dwf != 1
EditInstrumentGeometry(self._input_ws,
L2="4,8",
Polar="0,15",
Azimuthal="0,0",
DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
# check dwf calculation
y_sum = sum(self._input_ws.readY(1)[27:75])
mvan = 0.001 * 50.942 / N_A
Bcoef = 4.736767162094296 * 1e+20 * hbar * hbar / (2.0 * mvan * k *
389.0)
dwf = np.exp(-1.0 * Bcoef *
(4.0 * np.pi * np.sin(0.5 * np.radians(15.0)) / 4.0)**2)
self.assertAlmostEqual(y_sum * dwf, wsoutput.readY(1)[0])
DeleteWorkspace(wsoutput)
def test_input_not_modified(self):
backup = CloneWorkspace(self._input_ws)
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
self.assertEqual("Success!",
CheckWorkspacesMatch(backup, self._input_ws))
DeleteWorkspace(backup)
def tearDown(self):
if AnalysisDataService.doesExist(self._input_ws.getName()):
DeleteWorkspace(self._input_ws)
if AnalysisDataService.doesExist(self._table.getName()):
DeleteWorkspace(self._table)
class ComputeCalibrationCoefVanTest(unittest.TestCase):
def setUp(self):
input_ws = CreateSampleWorkspace(Function="User Defined",
UserDefinedFunction="name=LinearBackground, A0=0.3;name=Gaussian, \
PeakCentre=5, Height=10, Sigma=0.3", NumBanks=2, BankPixelWidth=1,
XMin=0, XMax=10, BinWidth=0.1, BankDistanceFromSample=4.0)
self._input_ws = input_ws
self._table = FindEPP(input_ws, OutputWorkspace="table")
AddSampleLog(self._input_ws, LogName='wavelength', LogText='4.0', LogType='Number', LogUnit='Angstrom')
def test_output(self):
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan", VanadiumWorkspace=self._input_ws,
EPPTable=self._table, OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
# Output = Vanadium ws
self.assertEqual(wsoutput.getRun().getLogData('run_title').value,
self._input_ws.getRun().getLogData('run_title').value)
# Size of output workspace
self.assertEqual(wsoutput.getNumberHistograms(), self._input_ws.getNumberHistograms())
DeleteWorkspace(wsoutput)
return
def test_sum(self):
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan", VanadiumWorkspace=self._input_ws,
EPPTable=self._table, OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
# check whether sum is calculated correctly, for theta=0, dwf=1
y_sum = sum(self._input_ws.readY(0)[27:75])
self.assertAlmostEqual(y_sum, wsoutput.readY(0)[0])
DeleteWorkspace(wsoutput)
def test_dwf(self):
outputWorkspaceName = "output_ws"
# change theta to make dwf != 1
EditInstrumentGeometry(self._input_ws, L2="4,8", Polar="0,15", Azimuthal="0,0", DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan", VanadiumWorkspace=self._input_ws,
EPPTable=self._table, OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
# check dwf calculation
y_sum = sum(self._input_ws.readY(1)[27:75])
mvan = 0.001*50.942/N_A
Bcoef = 4.736767162094296*1e+20*hbar*hbar/(2.0*mvan*k*389.0)
dwf = np.exp(-1.0*Bcoef*(4.0*np.pi*np.sin(0.5*np.radians(15.0))/4.0)**2)
self.assertAlmostEqual(y_sum*dwf, wsoutput.readY(1)[0])
DeleteWorkspace(wsoutput)
def test_input_not_modified(self):
backup = CloneWorkspace(self._input_ws)
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan", VanadiumWorkspace=self._input_ws,
EPPTable=self._table, OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
self.assertEqual("Success!", CheckWorkspacesMatch(backup, self._input_ws))
DeleteWorkspace(backup)
def tearDown(self):
if AnalysisDataService.doesExist(self._input_ws.getName()):
DeleteWorkspace(self._input_ws)
if AnalysisDataService.doesExist(self._table.getName()):
DeleteWorkspace(self._table)
class ComputeCalibrationCoefVanTest(unittest.TestCase):
def setUp(self):
input_ws = CreateSampleWorkspace(
Function="User Defined",
UserDefinedFunction="name=LinearBackground, " +
"A0=0.3;name=Gaussian, PeakCentre=5, Height=10, Sigma=0.3",
NumBanks=2, BankPixelWidth=1, XMin=0, XMax=10, BinWidth=0.1,
BankDistanceFromSample=4.0)
self._input_ws = input_ws
self._table = FindEPP(input_ws, OutputWorkspace="table")
AddSampleLog(self._input_ws, LogName='wavelength', LogText='4.0',
LogType='Number', LogUnit='Angstrom')
for i in range(input_ws.getNumberHistograms()):
y = input_ws.dataY(i)
y.fill(0.)
y[51] = 100.
e = input_ws.dataE(i)
e.fill(0.)
e[51] = 10.
def test_output(self):
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
# Output = Vanadium ws
self.assertEqual(wsoutput.getRun().getLogData('run_title').value,
self._input_ws.getRun().getLogData('run_title').value)
# Size of output workspace
self.assertEqual(wsoutput.getNumberHistograms(),
self._input_ws.getNumberHistograms())
DeleteWorkspace(wsoutput)
return
def test_sum(self):
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
for i in range(wsoutput.getNumberHistograms()):
self.assertEqual(100., wsoutput.readY(i)[0])
self.assertEqual(10., wsoutput.readE(i)[0])
DeleteWorkspace(wsoutput)
def test_dwf_using_default_temperature(self):
outputWorkspaceName = "output_ws"
# change theta to make dwf != 1
EditInstrumentGeometry(self._input_ws, L2="4,8", Polar="0,15",
Azimuthal="0,0", DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 293.0)
DeleteWorkspace(wsoutput)
def test_temperature_from_sample_log(self):
self._input_ws.mutableRun().addProperty('temperature', 0.0, True)
outputWorkspaceName = "output_ws"
EditInstrumentGeometry(self._input_ws, L2="4,8", Polar="0,15",
Azimuthal="0,0", DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 0.0)
DeleteWorkspace(wsoutput)
def test_temperature_log_is_time_series(self):
outputWorkspaceName = "output_ws"
EditInstrumentGeometry(self._input_ws, L2="4,8", Polar="0,15",
Azimuthal="0,0", DetectorIDs="1,2")
AddTimeSeriesLog(
self._input_ws,
'temperature',
'2010-09-14T04:20:12',
Value='0.0')
AddTimeSeriesLog(
self._input_ws,
'temperature',
'2010-09-14T04:20:13',
Value='0.0')
AddTimeSeriesLog(
self._input_ws,
'temperature',
'2010-09-14T04:20:14',
Value='0.0')
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 0.0)
def test_temperature_log_name_from_IPF(self):
self._input_ws.mutableRun().addProperty('sample.temperature', 0.0, True)
EditInstrumentGeometry(self._input_ws, L2="4,8", Polar="0,15",
Azimuthal="0,0", DetectorIDs="1,2")
SetInstrumentParameter(
Workspace=self._input_ws,
ParameterName="temperature_log_entry",
ParameterType="String",
Value="sample.temperature")
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 0.)
def test_temperature_input_overrides_sample_log(self):
self._input_ws.mutableRun().addProperty('temperature', 567.0, True)
outputWorkspaceName = "output_ws"
EditInstrumentGeometry(self._input_ws, L2="4,8", Polar="0,15",
Azimuthal="0,0", DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName,
Temperature=0.0)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
self._checkDWF(wsoutput, 0.0)
DeleteWorkspace(wsoutput)
def test_input_not_modified(self):
backup = CloneWorkspace(self._input_ws)
outputWorkspaceName = "output_ws"
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName)
self.assertTrue(alg_test.isExecuted())
self.assertTrue(CompareWorkspaces(backup, self._input_ws)[0])
DeleteWorkspace(backup)
def test_disabled_debye_waller_correction(self):
outputWorkspaceName = "output_ws"
# change theta to make dwf != 1
EditInstrumentGeometry(self._input_ws, L2="4,8", Polar="0,15",
Azimuthal="0,0", DetectorIDs="1,2")
alg_test = run_algorithm("ComputeCalibrationCoefVan",
VanadiumWorkspace=self._input_ws,
EPPTable=self._table,
OutputWorkspace=outputWorkspaceName,
EnableDWF=False)
self.assertTrue(alg_test.isExecuted())
wsoutput = AnalysisDataService.retrieve(outputWorkspaceName)
for i in range(wsoutput.getNumberHistograms()):
self.assertEqual(100., wsoutput.readY(i)[0])
self.assertEqual(10., wsoutput.readE(i)[0])
DeleteWorkspace(wsoutput)
def tearDown(self):
if AnalysisDataService.doesExist(self._input_ws.name()):
DeleteWorkspace(self._input_ws)
if AnalysisDataService.doesExist(self._table.name()):
DeleteWorkspace(self._table)
def _checkDWF(self, wsoutput, temperature):
self.assertEqual(100., wsoutput.readY(0)[0])
self.assertEqual(10., wsoutput.readE(0)[0])
if temperature == 0.0:
integral = 0.5
elif temperature == 293.0:
integral = 4.736767162094296 / 3.0
else:
raise RuntimeError("Unsupported temperature supplied to " +
"_checkDWF(). Use 0K or 293K only.")
mvan = 0.001*50.942/N_A
Bcoef = 3.0*integral*1e+20*hbar*hbar/(2.0*mvan*k*389.0)
dwf = np.exp(
-1.0*Bcoef*(4.0*np.pi*np.sin(0.5*np.radians(15.0))/4.0)**2)
self.assertEqual(100./dwf, wsoutput.readY(1)[0])
self.assertEqual(10./dwf, wsoutput.readE(1)[0])