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SetupHFIRReduction v1¶

Summary ¶

Set up HFIR SANS reduction options.

Properties ¶

Name	Direction	Type	Default	Description
SampleDetectorDistance	Input	number	Optional	Sample to detector distance to use (overrides meta data), in mm
SampleDetectorDistanceOffset	Input	number	Optional	Offset to the sample to detector distance (use only when using the distance found in the meta data), in mm
SolidAngleCorrection	Input	boolean	True	If true, the solid angle correction will be applied to the data
DetectorTubes	Input	boolean	False	If true, the solid angle correction for tube detectors will be applied
DetectorWing	Input	boolean	False	If true, the solid angle correction for the Wing Detector (curved detector) will be applied
Wavelength	Input	number	Optional	Wavelength value to use when loading the data file (Angstrom).
WavelengthSpread	Input	number	0.1	Wavelength spread to use when loading the data file (default 0.0)
BeamCenterMethod	Input	string	None	Method for determining the data beam center. Allowed values: [‘None’, ‘Value’, ‘DirectBeam’, ‘Scattering’]
BeamCenterX	Input	number	Optional	Position of the beam center, in pixel
BeamCenterY	Input	number	Optional	Position of the beam center, in pixel
BeamCenterFile	Input	string		The name of the input data file to load. Allowed extensions: [‘.xml’]
BeamRadius	Input	number	Optional	Radius of the beam area used the exclude the beam when calculating the center of mass of the scattering pattern [pixels]. Default=3.0
Normalisation	Input	string	Monitor	Options for data normalisation. Allowed values: [‘None’, ‘Monitor’, ‘Timer’]
DarkCurrentFile	Input	string		The name of the input data file to load as dark current. Allowed extensions: [‘.xml’]
SensitivityFile	Input	string		Flood field or sensitivity file. Allowed extensions: [‘.xml’]
MinEfficiency	Input	number	Optional	Minimum efficiency for a pixel to be considered (default: no minimum).
MaxEfficiency	Input	number	Optional	Maximum efficiency for a pixel to be considered (default: no maximum).
UseDefaultDC	Input	boolean	True	If true, the dark current subtracted from the sample data will also be subtracted from the flood field.
SensitivityDarkCurrentFile	Input	string		The name of the input file to load as dark current. Allowed extensions: [‘.xml’]
SensitivityBeamCenterMethod	Input	string	None	Method for determining the sensitivity data beam center. Allowed values: [‘None’, ‘Value’, ‘DirectBeam’, ‘Scattering’]
SensitivityBeamCenterX	Input	number	Optional	Sensitivity beam center location in X [pixels]
SensitivityBeamCenterY	Input	number	Optional	Sensitivity beam center location in Y [pixels]
SensitivityBeamCenterFile	Input	string		The name of the input data file to load. Allowed extensions: [‘.xml’]
SensitivityBeamCenterRadius	Input	number	Optional	Radius of the beam area used the exclude the beam when calculating the center of mass of the scattering pattern [pixels]. Default=3.0
OutputSensitivityWorkspace	Output	MatrixWorkspace
TransmissionMethod	Input	string	Value	Transmission determination method. Allowed values: [‘Value’, ‘DirectBeam’, ‘BeamSpreader’]
TransmissionValue	Input	number	Optional	Transmission value.
TransmissionError	Input	number	Optional	Transmission error.
TransmissionBeamRadius	Input	number	3	Radius of the beam area used to compute the transmission [pixels]
TransmissionSampleDataFile	Input	string		Sample data file for transmission calculation. Allowed extensions: [‘.xml’]
TransmissionEmptyDataFile	Input	string		Empty data file for transmission calculation. Allowed extensions: [‘.xml’]
TransmissionBeamCenterMethod	Input	string	None	Method for determining the transmission data beam center. Allowed values: [‘None’, ‘Value’, ‘DirectBeam’, ‘Scattering’]
TransmissionBeamCenterX	Input	number	Optional	Transmission beam center location in X [pixels]
TransmissionBeamCenterY	Input	number	Optional	Transmission beam center location in Y [pixels]
TransmissionBeamCenterFile	Input	string		The name of the input data file to load. Allowed extensions: [‘.xml’]
TransSampleSpreaderFilename	Input	string		Allowed extensions: [‘.xml’]
TransDirectSpreaderFilename	Input	string		Allowed extensions: [‘.xml’]
TransSampleScatteringFilename	Input	string		Allowed extensions: [‘.xml’]
TransDirectScatteringFilename	Input	string		Allowed extensions: [‘.xml’]
SpreaderTransmissionValue	Input	number	1	Beam spreader transmission value
SpreaderTransmissionError	Input	number	0	Beam spreader transmission error
TransmissionDarkCurrentFile	Input	string		The name of the input data file to load as transmission dark current. Allowed extensions: [‘.xml’]
TransmissionUseSampleDC	Input	boolean	True	If true, the sample dark current will be used IF a dark current file isnot set.
ThetaDependentTransmission	Input	boolean	True	If true, a theta-dependent transmission correction will be applied.
BackgroundFiles	Input	string		Background data files
BckTransmissionMethod	Input	string	Value	Transmission determination method. Allowed values: [‘Value’, ‘DirectBeam’, ‘BeamSpreader’]
BckTransmissionValue	Input	number	Optional	Transmission value.
BckTransmissionError	Input	number	Optional	Transmission error.
BckTransmissionBeamRadius	Input	number	3	Radius of the beam area used to compute the transmission [pixels]
BckTransmissionSampleDataFile	Input	string		Sample data file for transmission calculation. Allowed extensions: [‘.xml’]
BckTransmissionEmptyDataFile	Input	string		Empty data file for transmission calculation. Allowed extensions: [‘.xml’]
BckTransmissionBeamCenterMethod	Input	string	None	Method for determining the transmission data beam center. Allowed values: [‘None’, ‘Value’, ‘DirectBeam’, ‘Scattering’]
BckTransmissionBeamCenterX	Input	number	Optional	Transmission beam center location in X [pixels]
BckTransmissionBeamCenterY	Input	number	Optional	Transmission beam center location in Y [pixels]
BckTransmissionBeamCenterFile	Input	string		The name of the input data file to load. Allowed extensions: [‘.xml’]
BckTransSampleSpreaderFilename	Input	string		Allowed extensions: [‘.xml’]
BckTransDirectSpreaderFilename	Input	string		Allowed extensions: [‘.xml’]
BckTransSampleScatteringFilename	Input	string		Allowed extensions: [‘.xml’]
BckTransDirectScatteringFilename	Input	string		Allowed extensions: [‘.xml’]
BckSpreaderTransmissionValue	Input	number	1	Beam spreader transmission value
BckSpreaderTransmissionError	Input	number	0	Beam spreader transmission error
BckTransmissionDarkCurrentFile	Input	string		The name of the input data file to load as background transmission dark current. Allowed extensions: [‘.xml’]
BckThetaDependentTransmission	Input	boolean	True	If true, a theta-dependent transmission correction will be applied.
SampleThickness	Input	number	Optional	Sample thickness [cm]
MaskedDetectorList	Input	int list		List of detector IDs to be masked
MaskedEdges	Input	int list		Number of pixels to mask on the edges: X-low, X-high, Y-low, Y-high
MaskedComponent	Input	string		Component Name to mask the edges according to the IDF file.
MaskedSide	Input	string	None	Mask one side of the detector. Allowed values: [‘None’, ‘Front’, ‘Back’]
MaskedFullComponent	Input	string		Component Name to mask the edges according to the IDF file.
AbsoluteScaleMethod	Input	string	None	Absolute scale correction method. Allowed values: [‘None’, ‘Value’, ‘ReferenceData’]
AbsoluteScalingFactor	Input	number	1	Absolute scaling factor
AbsoluteScalingReferenceFilename	Input	string		Allowed extensions: [‘.xml’]
AbsoluteScalingBeamDiameter	Input	number	0	Beamstop diameter for computing the absolute scale factor [mm]. Read from file if not supplied.
AbsoluteScalingAttenuatorTrans	Input	number	1	Attenuator transmission value for computing the absolute scale factor
AbsoluteScalingApplySensitivity	Input	boolean	False	Apply sensitivity correction to the reference data when computing the absolute scale factor
DoAzimuthalAverage	Input	boolean	True
IQBinning	Input	dbl list
IQNumberOfBins	Input	number	100	Number of I(q) bins when binning is not specified.
IQLogBinning	Input	boolean	False	I(q) log binning when binning is not specified.
IQAlignLogWithDecades	Input	boolean	False	If true and log binning was selected, the bins will be aligned to log decades and the number of bins will be used as the number of bins per decade.
NumberOfSubpixels	Input	number	1	Number of sub-pixels used for each detector pixel in each direction.The total number of sub-pixels will be NPixelDivision*NPixelDivision.
ErrorWeighting	Input	boolean	False	Choose whether each pixel contribution will be weighted by 1/error^2.
NumberOfWedges	Input	number	2	Number of wedges to calculate.
WedgeAngle	Input	number	30	Opening angle of each wedge, in degrees.
WedgeOffset	Input	number	0	Angular offset for the wedges, in degrees.
Do2DReduction	Input	boolean	True
IQ2DNumberOfBins	Input	number	100	Number of I(qx,qy) bins.
IQxQyLogBinning	Input	boolean	False	I(qx,qy) log binning when binning is not specified.
ProcessInfo	Input	string		Additional process information
OutputDirectory	Input	string		Directory to put the output files in
OutputMessage	Output	string
ReductionProperties	Input	string	__sans_reduction_properties

Description ¶

Create a PropertyManager object setting the reduction options for HFIR SANS. The property manager object is then added to the PropertyManagerDataService.

See HFIRSANSReduction for details.

Categories: AlgorithmIndex | Workflow\SANS