Ejemplo n.º 1
0
    def test_setMinMaxLength_alters_accepted_range(self):
        validator = FloatArrayLengthValidator()
        self.assertFalse(validator.hasMinLength())
        self.assertFalse(validator.hasMaxLength())
        lower = 4
        upper = 7
        validator.setLengthMin(lower)
        self.assertTrue(validator.hasMinLength())
        self.assertFalse(validator.hasMaxLength())
        self.assertEqual(validator.getMinLength(), lower)
        validator.setLengthMax(upper)
        self.assertTrue(validator.hasMinLength())
        self.assertTrue(validator.hasMaxLength())
        self.assertEqual(validator.getMaxLength(), upper)

        validator.clearLengthMin()
        self.assertFalse(validator.hasMinLength())
        self.assertTrue(validator.hasMaxLength())
        validator.clearLengthMax()
        self.assertFalse(validator.hasMinLength())
        self.assertFalse(validator.hasMaxLength())
Ejemplo n.º 2
0
    def test_setMinMaxLength_alters_accepted_range(self):
        validator = FloatArrayLengthValidator()
        self.assertFalse(validator.hasMinLength())
        self.assertFalse(validator.hasMaxLength())
        lower = 4
        upper = 7
        validator.setLengthMin(lower)
        self.assertTrue(validator.hasMinLength())
        self.assertFalse(validator.hasMaxLength())
        self.assertEquals(validator.getMinLength(), lower)
        validator.setLengthMax(upper)
        self.assertTrue(validator.hasMinLength())
        self.assertTrue(validator.hasMaxLength())
        self.assertEquals(validator.getMaxLength(), upper)

        validator.clearLengthMin()
        self.assertFalse(validator.hasMinLength())
        self.assertTrue(validator.hasMaxLength())
        validator.clearLengthMax()
        self.assertFalse(validator.hasMinLength())
        self.assertFalse(validator.hasMaxLength())
Ejemplo n.º 3
0
    def PyInit(self):
        self.declareProperty(
            MultipleFileProperty('CalibrationRun',
                                 action=FileAction.Load,
                                 extensions=['nxs']),
            doc=
            'File path of calibration runs (numors). Must be detector scans.')

        self.declareProperty(
            FileProperty('CalibrationFile',
                         '',
                         action=FileAction.OptionalLoad,
                         extensions=['nxs']),
            doc='Optional file containing previous calibration constants.')

        self.declareProperty(
            name='CalibrationMethod',
            defaultValue='Median',
            validator=StringListValidator(['Median', 'Mean',
                                           'MostLikelyMean']),
            doc='The method of how the calibration constant of a pixel '
            'is derived from the distribution of ratios.')

        self.declareProperty(
            name='DerivationMethod',
            defaultValue='SequentialSummedReference1D',
            validator=StringListValidator(
                ['SequentialSummedReference1D', 'GlobalSummedReference2D']),
            doc=
            'Choose sequential for D20 (1D detector), global for D2B (2D detector).'
        )

        self.declareProperty(
            name='InterpolateOverlappingAngles',
            defaultValue=False,
            doc=
            'Whether to interpolate scattering angle values in overlapping regions (D20 only).'
        )

        self.declareProperty(
            name='NormaliseTo',
            defaultValue='None',
            validator=StringListValidator(['None', 'Monitor', 'ROI']),
            doc=
            'Normalise to monitor or ROI counts before deriving the calibration.'
        )

        thetaRangeValidator = FloatArrayOrderedPairsValidator()

        self.declareProperty(
            FloatArrayProperty(name='ROI',
                               values=[0, 100.],
                               validator=thetaRangeValidator),
            doc=
            'Scattering angle regions of interest for normalisation [degrees].'
        )

        normaliseToROI = VisibleWhenProperty('NormaliseTo',
                                             PropertyCriterion.IsEqualTo,
                                             'ROI')
        self.setPropertySettings('ROI', normaliseToROI)

        self.declareProperty(
            FloatArrayProperty(name='ExcludedRange',
                               values=[],
                               validator=thetaRangeValidator),
            doc='Scattering angle regions to exclude from the computation of '
            'relative calibration constants; for example, the beam stop [degrees]. '
        )

        pixelRangeValidator = CompositeValidator()
        greaterThanOne = IntArrayBoundedValidator(lower=1)
        lengthTwo = IntArrayLengthValidator()
        lengthTwo.setLength(2)
        orderedPairsValidator = IntArrayOrderedPairsValidator()
        pixelRangeValidator.add(greaterThanOne)
        pixelRangeValidator.add(lengthTwo)
        pixelRangeValidator.add(orderedPairsValidator)

        self.declareProperty(
            IntArrayProperty(name='PixelRange',
                             values=[1, 3072],
                             validator=pixelRangeValidator),
            doc=
            'Range of the pixel numbers to compute the calibration factors for (D20 only); '
            'for the other pixels outside the range, the factor will be set to 1.'
        )

        self.declareProperty(
            MatrixWorkspaceProperty('OutputResponseWorkspace',
                                    '',
                                    optional=PropertyMode.Optional,
                                    direction=Direction.Output),
            doc=
            'Output workspace containing the summed diffraction patterns of all the overlapping pixels.'
        )

        self.declareProperty(
            MatrixWorkspaceProperty('OutputWorkspace',
                                    '',
                                    direction=Direction.Output),
            doc=
            'Output workspace containing the calibration constants (inverse of efficiency) for each pixel.'
        )

        self.declareProperty(
            name='NumberOfIterations',
            defaultValue=1,
            validator=IntBoundedValidator(lower=0, upper=10),
            doc=
            'Number of iterations to perform (D2B only): 0 means auto; that is, the '
            'iterations will terminate after reaching some Chi2/NdoF.')

        maskCriterionValidator = CompositeValidator()
        arrayLengthTwo = FloatArrayLengthValidator()
        arrayLengthTwo.setLengthMax(2)
        orderedPairs = FloatArrayOrderedPairsValidator()
        maskCriterionValidator.add(arrayLengthTwo)
        maskCriterionValidator.add(orderedPairs)

        self.declareProperty(
            FloatArrayProperty(name='MaskCriterion',
                               values=[],
                               validator=maskCriterionValidator),
            doc='Efficiency constants outside this range will be set to zero.')

        self.declareProperty(
            name='UseCalibratedData',
            defaultValue=False,
            doc=
            'Whether or not to use the calibrated data in the NeXus files (D2B only).'
        )
    def PyInit(self):
        self.declareProperty(MultipleFileProperty('CalibrationRun', action=FileAction.Load, extensions=['nxs']),
                             doc='File path of calibration runs (numors). Must be detector scans.')

        self.declareProperty(FileProperty('CalibrationFile', '', action=FileAction.OptionalLoad, extensions=['nxs']),
                             doc='Optional file containing previous calibration constants.')

        self.declareProperty(name='CalibrationMethod',
                             defaultValue='Median',
                             validator=StringListValidator(['Median', 'Mean', 'MostLikelyMean']),
                             doc='The method of how the calibration constant of a pixel '
                                 'is derived from the distribution of ratios.')

        self.declareProperty(name='DerivationMethod', defaultValue='SequentialSummedReference1D',
                             validator=StringListValidator(['SequentialSummedReference1D', 'GlobalSummedReference2D']),
                             doc='Choose sequential for D20 (1D detector), global for D2B (2D detector).')

        self.declareProperty(name='InterpolateOverlappingAngles', defaultValue=False,
                             doc='Whether to interpolate scattering angle values in overlapping regions (D20 only).')

        self.declareProperty(name='NormaliseTo',
                             defaultValue='None',
                             validator=StringListValidator(['None', 'Monitor', 'ROI']),
                             doc='Normalise to monitor or ROI counts before deriving the calibration.')

        thetaRangeValidator = FloatArrayOrderedPairsValidator()

        self.declareProperty(FloatArrayProperty(name='ROI', values=[0,100.], validator=thetaRangeValidator),
                             doc='Scattering angle regions of interest for normalisation [degrees].')

        normaliseToROI = VisibleWhenProperty('NormaliseTo', PropertyCriterion.IsEqualTo, 'ROI')
        self.setPropertySettings('ROI', normaliseToROI)

        self.declareProperty(FloatArrayProperty(name='ExcludedRange', values=[], validator=thetaRangeValidator),
                             doc='Scattering angle regions to exclude from the computation of '
                                 'relative calibration constants; for example, the beam stop [degrees]. ')

        pixelRangeValidator = CompositeValidator()
        greaterThanOne = IntArrayBoundedValidator()
        greaterThanOne.setLower(1)
        lengthTwo = IntArrayLengthValidator()
        lengthTwo.setLength(2)
        orderedPairsValidator = IntArrayOrderedPairsValidator()
        pixelRangeValidator.add(greaterThanOne)
        pixelRangeValidator.add(lengthTwo)
        pixelRangeValidator.add(orderedPairsValidator)

        self.declareProperty(IntArrayProperty(name='PixelRange', values=[1,3072], validator=pixelRangeValidator),
                             doc='Range of the pixel numbers to compute the calibration factors for (D20 only); '
                                 'for the other pixels outside the range, the factor will be set to 1.')

        self.declareProperty(MatrixWorkspaceProperty('OutputResponseWorkspace', '',
                                                     optional=PropertyMode.Optional, direction=Direction.Output),
                             doc='Output workspace containing the summed diffraction patterns of all the overlapping pixels.')

        self.declareProperty(MatrixWorkspaceProperty('OutputWorkspace', '',
                                                     direction=Direction.Output),
                             doc='Output workspace containing the calibration constants (inverse of efficiency) for each pixel.')

        self.declareProperty(name='NumberOfIterations',
                             defaultValue=1,
                             validator=IntBoundedValidator(lower=0, upper=10),
                             doc='Number of iterations to perform (D2B only): 0 means auto; that is, the '
                                 'iterations will terminate after reaching some Chi2/NdoF.')

        maskCriterionValidator = CompositeValidator()
        arrayLengthTwo = FloatArrayLengthValidator()
        arrayLengthTwo.setLengthMax(2)
        orderedPairs = FloatArrayOrderedPairsValidator()
        maskCriterionValidator.add(arrayLengthTwo)
        maskCriterionValidator.add(orderedPairs)

        self.declareProperty(FloatArrayProperty(name='MaskCriterion', values=[], validator=maskCriterionValidator),
                             doc='Efficiency constants outside this range will be set to zero.')

        self.declareProperty(name='UseCalibratedData',
                             defaultValue=False,
                             doc='Whether or not to use the calibrated data in the NeXus files (D2B only).')