Beispiel #1
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    def test_that_slice_event_state_can_be_built(self):
        # Arrange
        facility = SANSFacility.ISIS
        file_information = SANSFileInformationMock(run_number=74044)
        data_builder = get_data_builder(facility, file_information)
        data_builder.set_sample_scatter("LOQ74044")
        data_info = data_builder.build()

        # Act
        builder = get_scale_builder(data_info, file_information)
        self.assertTrue(builder)

        builder.set_scale(1.0)
        builder.set_shape(SampleShape.FLAT_PLATE)
        builder.set_thickness(3.6)
        builder.set_width(3.7)
        builder.set_height(5.8)

        # Assert
        state = builder.build()
        self.assertEqual(state.shape, SampleShape.FLAT_PLATE)
        self.assertEqual(state.scale, 1.0)
        self.assertEqual(state.thickness, 3.6)
        self.assertEqual(state.width, 3.7)
        self.assertEqual(state.height, 5.8)
Beispiel #2
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    def test_that_correct_scale_strategy_is_selected_for_loq_2(self):
        facility = SANSFacility.ISIS
        file_information = SANSFileInformationMock(
            instrument=SANSInstrument.LOQ, run_number=74044)
        data_builder = get_data_builder(facility, file_information)
        data_builder.set_sample_scatter("LOQ74044")
        data_state = data_builder.build()

        scale_builder = get_scale_builder(data_state, file_information)
        scale_builder.set_scale(2.4)
        scale_state = scale_builder.build()

        test_director = TestDirector()
        test_director.set_states(scale_state=scale_state,
                                 data_state=data_state)
        state_loq = test_director.construct()

        workspace = self._get_workspace()

        output_workspace = _multiply_by_abs_scale(
            instrument=SANSInstrument.LOQ,
            workspace=workspace,
            state_scale=state_loq.scale)

        # Assert
        expected_value = 0.3 * 2.4 / math.pi * 100.
        data_y = output_workspace.dataY(0)
        self.assertEqual(data_y[0], expected_value)
Beispiel #3
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    def test_that_divide_uses_settings_from_state_if_they_are_set(self):
        # Arrange
        facility = SANSFacility.ISIS
        file_information = SANSFileInformationMock(
            instrument=SANSInstrument.LOQ, run_number=74044)
        data_builder = get_data_builder(facility, file_information)
        data_builder.set_sample_scatter("SANS2D00022024")
        data_state = data_builder.build()

        scale_builder = get_scale_builder(data_state, file_information)
        width = 10.
        height = 5.
        thickness = 2.
        scale_builder.set_shape(SampleShape.DISC)
        scale_builder.set_thickness(thickness)
        scale_builder.set_width(width)
        scale_builder.set_height(height)
        scale_state = scale_builder.build()

        test_director = TestDirector()
        test_director.set_states(scale_state=scale_state,
                                 data_state=data_state)
        state = test_director.construct()

        workspace = self._get_workspace()

        output_workspace = _divide_by_sample_volume(workspace=workspace,
                                                    scale_info=state.scale)

        expected_volume = thickness * math.pi * math.pow(width, 2) / 4.0
        expected_value = 0.3 / expected_volume
        data_y = output_workspace.dataY(0)
        self.assertEqual(data_y[0], expected_value)
Beispiel #4
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    def test_that_divide_uses_settings_from_workspace(self):
        # Arrange
        facility = SANSFacility.ISIS
        file_information = SANSFileInformationMock(
            instrument=SANSInstrument.SANS2D,
            run_number=22024,
            height=8.0,
            width=8.0,
            thickness=1.0,
            shape=SampleShape.DISC)
        data_builder = get_data_builder(facility, file_information)
        data_builder.set_sample_scatter("SANS2D00022024")
        data_state = data_builder.build()

        scale_builder = get_scale_builder(data_state, file_information)
        scale_state = scale_builder.build()

        test_director = TestDirector()
        test_director.set_states(scale_state=scale_state,
                                 data_state=data_state)
        state = test_director.construct()

        # Apply the settings from the SANS2D00022024 workspace
        width = 8.
        height = 8.
        thickness = 1.
        shape = 3

        workspace = self._get_workspace()
        self._set_sample_geometry(workspace=workspace,
                                  width=width,
                                  height=height,
                                  thickness=thickness,
                                  shape=shape)

        output_workspace = _divide_by_sample_volume(workspace=workspace,
                                                    scale_info=state.scale)
        # Assert
        expected_volume = thickness * math.pi * math.pow(width, 2) / 4.0
        expected_value = 0.3 / expected_volume
        data_y = output_workspace.dataY(0)
        self.assertEqual(data_y[0], expected_value)
Beispiel #5
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    def _get_sample_state(width, height, thickness, shape, scale):
        # Arrange
        facility = SANSFacility.ISIS
        file_information = SANSFileInformationMock(
            instrument=SANSInstrument.LOQ, run_number=74044)
        data_builder = get_data_builder(facility, file_information)
        data_builder.set_sample_scatter("LOQ74044")
        data_state = data_builder.build()

        scale_builder = get_scale_builder(data_state, file_information)
        scale_builder.set_scale(scale)
        scale_builder.set_thickness(thickness)
        scale_builder.set_width(width)
        scale_builder.set_height(height)
        scale_builder.set_shape(shape)
        scale_state = scale_builder.build()

        test_director = TestDirector()
        test_director.set_states(scale_state=scale_state,
                                 data_state=data_state)
        return test_director.construct()
Beispiel #6
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    def construct(self):
        facility = SANSFacility.ISIS
        file_information = SANSFileInformationMock(run_number=22024, instrument=SANSInstrument.SANS2D)

        # Build the SANSStateData
        if self.data_state is None:
            data_builder = get_data_builder(facility, file_information)
            data_builder.set_sample_scatter("SANS2D00022024")
            data_builder.set_can_scatter("SANS2D00022024")
            self.data_state = data_builder.build()

        # Build the SANSStateMove
        if self.move_state is None:
            move_builder = get_move_builder(self.data_state)
            if hasattr(move_builder, "set_HAB_x_translation_correction"):
                move_builder.set_HAB_x_translation_correction(21.2)
            move_builder.set_LAB_x_translation_correction(12.1)
            self.move_state = move_builder.build()

        if self.inst_info_state is None:
            self.inst_info_state = StateInstrumentInfo.build_from_data_info(self.data_state)

        # Build the SANSStateReduction
        if self.reduction_state is None:
            state_reduction = StateReductionMode()
            state_reduction.reduction_dimensionality = ReductionDimensionality.ONE_DIM
            state_reduction.merge_fit_mode = FitModeForMerge.BOTH
            state_reduction.merge_shift = 324.2
            state_reduction.merge_scale = 3420.98
            state_reduction.reduction_mode = ReductionMode.MERGED
            self.reduction_state = state_reduction

        # Build the SANSStateSliceEvent
        if self.slice_state is None:
            slice_builder = get_slice_event_builder(self.data_state)
            slice_builder.set_start_time([0.1, 1.3])
            slice_builder.set_end_time([0.2, 1.6])
            self.slice_state = slice_builder.build()

        # Build the SANSStateMask
        if self.mask_state is None:
            mask_builder = get_mask_builder(self.data_state)
            mask_builder.set_radius_min(10.0)
            mask_builder.set_radius_max(20.0)
            self.mask_state = mask_builder.build()

        # Build the SANSStateWavelength
        if self.wavelength_state is None:
            wavelength_builder = get_wavelength_builder(self.data_state)
            wavelength_range = (1.0, 10.0)
            wavelength_builder.state.wavelength_interval.wavelength_full_range = wavelength_range
            wavelength_builder.state.wavelength_interval.selected_ranges = [wavelength_range]
            wavelength_builder.set_wavelength_step_type(RangeStepType.LIN)
            wavelength_builder.set_rebin_type(RebinType.REBIN)
            self.wavelength_state = wavelength_builder.build()

        # Build the SANSStateSave
        if self.save_state is None:
            save_builder = get_save_builder(self.data_state)
            save_builder.set_user_specified_output_name("test_file_name")
            save_builder.set_file_format([SaveType.NEXUS])
            self.save_state = save_builder.build()

        # Build the SANSStateScale
        if self.scale_state is None:
            scale_builder = get_scale_builder(self.data_state, file_information)
            scale_builder.set_shape(SampleShape.FLAT_PLATE)
            scale_builder.set_width(1.0)
            scale_builder.set_height(2.0)
            scale_builder.set_thickness(3.0)
            scale_builder.set_scale(4.0)
            self.scale_state = scale_builder.build()

        instrument = self.data_state.instrument

        # Build the SANSAdjustmentState
        if self.adjustment_state is None:
            # NormalizeToMonitor
            normalize_to_monitor_builder = get_normalize_to_monitor_builder(self.data_state)
            wavelength_range = (1.0, 10.0)
            normalize_to_monitor_builder.state.wavelength_interval.wavelength_full_range = wavelength_range
            normalize_to_monitor_builder.state.wavelength_interval.selected_ranges = [wavelength_range]
            normalize_to_monitor_builder.state.wavelength_interval.wavelength_step = 2.0
            normalize_to_monitor_builder.set_wavelength_step_type(RangeStepType.LIN)
            normalize_to_monitor_builder.set_rebin_type(RebinType.REBIN)
            normalize_to_monitor_builder.set_background_TOF_general_start(1000.)
            normalize_to_monitor_builder.set_background_TOF_general_stop(2000.)
            normalize_to_monitor_builder.set_incident_monitor(1)
            normalize_to_monitor = normalize_to_monitor_builder.build()

            # CalculateTransmission
            calculate_transmission_obj = get_calculate_transmission(instrument=instrument)
            calculate_transmission_obj.transmission_monitor = 3
            calculate_transmission_obj.incident_monitor = 2
            wavelength_range = (1.0, 10.0)
            calculate_transmission_obj.wavelength_interval.wavelength_full_range = wavelength_range
            calculate_transmission_obj.wavelength_interval.selected_ranges = [wavelength_range]
            calculate_transmission_obj.wavelength_interval.wavelength_step = 2.0
            calculate_transmission_obj.wavelength_step_type = RangeStepType.LIN
            calculate_transmission_obj.rebin_type = RebinType.REBIN
            calculate_transmission_obj.background_TOF_general_start = 1000.
            calculate_transmission_obj.background_TOF_general_stop = 2000.

            calculate_transmission_obj.set_sample_fit_type(FitType.LINEAR)
            calculate_transmission_obj.set_sample_polynomial_order(0)
            calculate_transmission_obj.set_sample_wavelength_low(1.0)
            calculate_transmission_obj.set_sample_wavelength_high(10.0)
            calculate_transmission_obj.set_can_fit_type(FitType.POLYNOMIAL)
            calculate_transmission_obj.set_can_polynomial_order(3)
            calculate_transmission_obj.set_can_wavelength_low(10.0)
            calculate_transmission_obj.set_can_wavelength_high(20.0)

            # Wavelength and pixel adjustment
            wavelength_and_pixel_builder = get_wavelength_and_pixel_adjustment_builder(self.data_state)
            wavelength_range = (1.0, 10.0)
            wavelength_and_pixel_builder.state.wavelength_interval.wavelength_full_range = wavelength_range
            wavelength_and_pixel_builder.state.wavelength_interval.selected_ranges = [wavelength_range]
            wavelength_and_pixel_builder.state.wavelength_interval.wavelength_step = 2.0
            wavelength_and_pixel_builder.set_wavelength_step_type(RangeStepType.LIN)
            wavelength_and_pixel = wavelength_and_pixel_builder.build()

            # Adjustment
            adjustment_builder = get_adjustment_builder(self.data_state)
            adjustment_builder.set_normalize_to_monitor(normalize_to_monitor)
            adjustment_builder.set_calculate_transmission(calculate_transmission_obj)
            adjustment_builder.set_wavelength_and_pixel_adjustment(wavelength_and_pixel)
            self.adjustment_state = adjustment_builder.build()

        # SANSStateConvertToQ
        if self.convert_to_q_state is None:
            convert_to_q_builder = get_convert_to_q_builder(self.data_state)
            convert_to_q_builder.set_reduction_dimensionality(ReductionDimensionality.ONE_DIM)
            convert_to_q_builder.set_use_gravity(False)
            convert_to_q_builder.set_radius_cutoff(0.002)
            convert_to_q_builder.set_wavelength_cutoff(12.)
            convert_to_q_builder.set_q_min(0.1)
            convert_to_q_builder.set_q_max(0.8)
            convert_to_q_builder.set_q_1d_rebin_string("0.1,0.01,0.8")
            convert_to_q_builder.set_use_q_resolution(False)
            self.convert_to_q_state = convert_to_q_builder.build()

        # Set the sub states on the SANSState
        state_builder = get_all_states_builder(self.data_state)
        state_builder.set_data(self.data_state)
        state_builder.set_move(self.move_state)
        state_builder.set_reduction(self.reduction_state)
        state_builder.set_slice(self.slice_state)
        state_builder.set_mask(self.mask_state)
        state_builder.set_wavelength(self.wavelength_state)
        state_builder.set_save(self.save_state)
        state_builder.set_scale(self.scale_state)
        state_builder.set_adjustment(self.adjustment_state)
        state_builder.set_convert_to_q(self.convert_to_q_state)
        state_builder.state.instrument_info = self.inst_info_state
        return state_builder.build()