Exemple #1
0
def run_mask_workspace(state, workspace_to_mask):
    mask_info = state.mask

    detectors = [DetectorType.LAB.value, DetectorType.HAB.value] \
                if DetectorType.HAB.value in mask_info.detectors else\
                [DetectorType.LAB.value]  # noqa

    for detector in detectors:
        mask_workspace(component_as_string=detector, workspace=workspace_to_mask, state=state)

    return workspace_to_mask
    def _run_mask_workspace(self, state, workspace_to_mask):
        mask_info = state.mask

        both_detectors = [DetectorType.LAB.value, DetectorType.HAB.value]
        lab_only = [DetectorType.LAB.value]
        detectors = both_detectors if DetectorType.HAB.value in mask_info.detectors else lab_only

        for detector in detectors:
            mask_workspace(component_as_string=detector, workspace=workspace_to_mask, state=state)

        return workspace_to_mask
Exemple #3
0
    def test_that_cylinder_masking_is_applied(self):
        # Arrange
        data_info = self._build_data_info()
        mask_builder = get_mask_builder(data_info)

        # Radius Mask
        radius_min = 0.01
        radius_max = 10.

        expected_spectra = []
        expected_spectra.extend([
            30469, 30470, 30471, 30472, 30473, 30474, 30475, 30476, 30477,
            30980, 30981, 30982, 30983, 30984, 30985, 30986, 30987, 30988
        ])
        mask_builder.set_radius_min(radius_min)
        mask_builder.set_radius_max(radius_max)

        mask_info = mask_builder.build()

        test_director = TestDirector()
        test_director.set_states(data_state=data_info, mask_state=mask_info)
        state = test_director.construct()

        workspace = self._sans_data

        # Act
        workspace = mask_workspace(state=state,
                                   component_as_string='LAB',
                                   workspace=workspace)

        # Assert
        self._do_assert(workspace, expected_spectra)
Exemple #4
0
    def test_that_beam_stop_masking_is_applied(self):
        data_info = self._build_data_info()
        mask_builder = get_mask_builder(data_info)

        beam_stop_arm_width = .01
        beam_stop_arm_angle = 180.0
        beam_stop_arm_pos1 = 0.0
        beam_stop_arm_pos2 = 0.0

        # Expected_spectra, again the tubes are shifted and that will produce the slightly strange masking
        expected_spectra = []
        expected_spectra.extend((512 * 59 + 9 + x for x in range(0, 257)))
        expected_spectra.extend((512 * 60 + 9 + x for x in range(0, 255)))

        mask_builder.set_beam_stop_arm_width(beam_stop_arm_width)
        mask_builder.set_beam_stop_arm_angle(beam_stop_arm_angle)
        mask_builder.set_beam_stop_arm_pos1(beam_stop_arm_pos1)
        mask_builder.set_beam_stop_arm_pos2(beam_stop_arm_pos2)

        mask_info = mask_builder.build()

        test_director = TestDirector()
        test_director.set_states(data_state=data_info, mask_state=mask_info)
        state = test_director.construct()

        workspace = self._sans_data
        workspace = mask_workspace(state=state,
                                   component_as_string="LAB",
                                   workspace=workspace)

        # Assert
        self._do_assert(workspace, expected_spectra)
Exemple #5
0
    def test_that_cross_block_masking_is_applied(self):
        data_info = self._build_data_info()

        mask_builder = get_mask_builder(data_info)

        expected_spectra = []

        block_cross_horizontal = [12, 17]
        block_cross_vertical = [49, 67]
        for h, v in zip(block_cross_horizontal, block_cross_vertical):
            expected_spectra.extend([h * 512 + 9 + v])

        mask_builder.set_LAB_block_cross_horizontal(block_cross_horizontal)
        mask_builder.set_LAB_block_cross_vertical(block_cross_vertical)
        mask_info = mask_builder.build()

        test_director = TestDirector()
        test_director.set_states(data_state=data_info, mask_state=mask_info)
        state = test_director.construct()

        workspace = self._sans_data
        workspace = mask_workspace(state=state,
                                   component_as_string='LAB',
                                   workspace=workspace)

        # Assert
        self._do_assert(workspace, expected_spectra)
Exemple #6
0
    def test_that_angle_masking_is_applied(self):
        # Arrange
        file_information_factory = SANSFileInformationFactory()
        file_information = file_information_factory.create_sans_file_information(
            "SANS2D00028827")
        data_builder = get_data_builder(SANSFacility.ISIS, file_information)
        data_builder.set_sample_scatter("SANS2D00028827")
        data_info = data_builder.build()

        mask_builder = get_mask_builder(data_info)

        # Expected_spectra
        phi_mirror = False
        phi_min = 0.
        phi_max = 90.
        # This should mask everything except for the upper right quadrant
        # | 120              |-------------------|
        # |                 |---------------------|
        # | 60               |-------------------|
        # |                 |----------------------|
        # |
        # |
        # |-------------------|------------------|
        # 512                256                 0

        expected_spectra = []
        # The strange double pattern arises from the offset of the SANS2D tube geometry (see InstrumentView)
        for y in range(60, 120):
            if y % 2 == 0:
                expected_spectra.extend(
                    ((y * 512) + 9 + x for x in range(0, 255)))
            else:
                expected_spectra.extend(
                    ((y * 512) + 9 + x for x in range(0, 257)))
        expected_spectra.extend((x for x in range(92169, 122889)))  # HAB

        mask_builder.set_use_mask_phi_mirror(phi_mirror)
        mask_builder.set_phi_min(phi_min)
        mask_builder.set_phi_max(phi_max)

        mask_info = mask_builder.build()

        test_director = TestDirector()
        test_director.set_states(data_state=data_info, mask_state=mask_info)
        state = test_director.construct()

        returned_data = SANSLoad(SANSState=Serializer.to_json(state),
                                 SampleScatterWorkspace="mask_sans_ws",
                                 SampleScatterMonitorWorkspace="dummy")

        workspace = returned_data[0]
        DeleteWorkspace(returned_data[1])

        # Act
        workspace = mask_workspace(state=state,
                                   component_as_string="LAB",
                                   workspace=workspace)

        # Assert
        self._do_assert_non_masked(workspace, expected_spectra)
Exemple #7
0
    def test_that_block_masking_is_applied(self):
        data_info = self._build_data_info()

        mask_builder = get_mask_builder(data_info)

        # Expected_spectra
        expected_spectra = []

        # Block
        # Detector-specific block
        # The block will be evaluated for SANS2D on the LAB as:
        block_horizontal_start = [12, 17]
        block_horizontal_stop = [14, 21]
        block_vertical_start = [45, 87]
        block_vertical_stop = [48, 91]

        for h_start, h_stop, v_start, v_stop in zip(block_horizontal_start,
                                                    block_horizontal_stop,
                                                    block_vertical_start,
                                                    block_vertical_stop):
            expected_spectra.extend(((h_start * 512 + 9) + y * 512 + x
                                     for y in range(0, h_stop - h_start + 1)
                                     for x in range(v_start, v_stop + 1)))

        mask_builder.set_LAB_block_horizontal_start(block_horizontal_start)
        mask_builder.set_LAB_block_horizontal_stop(block_horizontal_stop)
        mask_builder.set_LAB_block_vertical_start(block_vertical_start)
        mask_builder.set_LAB_block_vertical_stop(block_vertical_stop)
        mask_info = mask_builder.build()

        test_director = TestDirector()
        test_director.set_states(data_state=data_info, mask_state=mask_info)
        state = test_director.construct()

        workspace = self._sans_data

        # Act
        mask_workspace(state=state,
                       component_as_string='LAB',
                       workspace=workspace)

        # Assert
        self._do_assert(workspace, expected_spectra)
Exemple #8
0
    def test_that_mask_files_are_applied(self):
        def create_shape_xml_file(xml_string):
            temp_dir = tempfile.gettempdir()
            f_name = os.path.join(temp_dir, 'sample_mask_file.xml')
            if os.path.exists(f_name):
                os.remove(f_name)
            with open(f_name, 'w') as f:
                f.write(xml_string)
            return f_name

        # Arrange
        shape_xml = "<?xml version=\"1.0\"?>\n"\
                    "<detector-masking>\n" \
                    "<group>\n" \
                    "<detids>\n" \
                    "1313191-1313256\n" \
                    "</detids>\n" \
                    "</group>\n" \
                    "</detector-masking >"
        file_name = create_shape_xml_file(shape_xml)

        # Arrange
        data_info = self._build_data_info()
        mask_builder = get_mask_builder(data_info)

        # Mask file
        # Got the spectra from the detector view
        expected_spectra = [x for x in range(31432, 31498)]
        mask_builder.set_mask_files([file_name])
        mask_info = mask_builder.build()

        test_director = TestDirector()
        test_director.set_states(data_state=data_info, mask_state=mask_info)
        state = test_director.construct()

        workspace = self._sans_data

        # Act
        workspace = mask_workspace(state=state,
                                   component_as_string='LAB',
                                   workspace=workspace)

        # Assert
        self._do_assert(workspace, expected_spectra)

        # Remove
        if os.path.exists(file_name):
            os.remove(file_name)
Exemple #9
0
    def test_that_beam_stop_masking_is_applied_for_LOQ(self):
        # Arrange
        file_information_factory = SANSFileInformationFactory()
        file_information = file_information_factory.create_sans_file_information(
            "LOQ74044")
        data_builder = get_data_builder(SANSFacility.ISIS, file_information)
        data_builder.set_sample_scatter("LOQ74044")
        data_info = data_builder.build()
        mask_builder = get_mask_builder(data_info)

        beam_stop_arm_width = .01
        beam_stop_arm_angle = 180.0
        beam_stop_arm_pos1 = 0.0
        beam_stop_arm_pos2 = 0.0

        # Expected_spectra, again the tubes are shifted and that will produce the slightly strange masking
        expected_spectra = []
        expected_spectra.extend((7811 + x for x in range(0, 63)))
        expected_spectra.extend((7939 + x for x in range(0, 63)))

        mask_builder.set_beam_stop_arm_width(beam_stop_arm_width)
        mask_builder.set_beam_stop_arm_angle(beam_stop_arm_angle)
        mask_builder.set_beam_stop_arm_pos1(beam_stop_arm_pos1)
        mask_builder.set_beam_stop_arm_pos2(beam_stop_arm_pos2)

        mask_info = mask_builder.build()

        move_builder = get_move_builder(data_info)
        move_builder.set_center_position(0.)
        move_info = move_builder.build()

        test_director = TestDirector()
        test_director.set_states(data_state=data_info,
                                 mask_state=mask_info,
                                 move_state=move_info)
        state = test_director.construct()

        workspace = self._loq_empty

        # Act
        workspace = mask_workspace(state=state,
                                   component_as_string='LAB',
                                   workspace=workspace)

        # Assert
        self._do_assert(workspace, expected_spectra)
Exemple #10
0
    def test_that_general_time_masking_is_applied(self):
        data_info = self._build_data_info()
        mask_builder = get_mask_builder(data_info)

        # Expected_spectra
        bin_mask_general_start = [30000., 67000.]
        bin_mask_general_stop = [35000., 75000.]

        mask_builder.set_bin_mask_general_start(bin_mask_general_start)
        mask_builder.set_bin_mask_general_stop(bin_mask_general_stop)

        mask_info = mask_builder.build()

        test_director = TestDirector()
        test_director.set_states(data_state=data_info, mask_state=mask_info)
        state = test_director.construct()

        workspace = Load("SANS2D00028827")

        tof_spectra_10_original = workspace.getSpectrum(10).getTofs()
        tof_spectra_11_original = workspace.getSpectrum(11).getTofs()

        # Act
        workspace = mask_workspace(state=state,
                                   workspace=workspace,
                                   component_as_string="LAB")

        # Assert
        # Confirm that everything in the ranges 30000-35000  and 67000-75000 is removed from the event list
        tof_spectra_10_masked = workspace.getSpectrum(10).getTofs()
        tof_spectra_11_masked = workspace.getSpectrum(11).getTofs()
        # Spectrum 10
        # Three events should have been removed
        self.assertEqual(len(tof_spectra_10_masked),
                         len(tof_spectra_10_original) - 3)
        # One event should have been removed
        self.assertEqual(len(tof_spectra_11_masked),
                         len(tof_spectra_11_original) - 1)

        # Make sure that there are no elements
        for start, stop in zip(bin_mask_general_start, bin_mask_general_stop):
            self.assertFalse(
                any(elements_in_range(start, stop, tof_spectra_10_masked)))
            self.assertFalse(
                any(elements_in_range(start, stop, tof_spectra_11_masked)))
Exemple #11
0
    def test_that_detector_specific_time_masking_is_applied(self):
        data_info = self._build_data_info()
        mask_builder = get_mask_builder(data_info)

        # Expected_spectra
        bin_mask_start = [27000., 58000.]
        bin_mask_stop = [45000., 61000.]

        mask_builder.set_LAB_bin_mask_start(bin_mask_start)
        mask_builder.set_LAB_bin_mask_stop(bin_mask_stop)

        mask_info = mask_builder.build()

        test_director = TestDirector()
        test_director.set_states(data_state=data_info, mask_state=mask_info)
        state = test_director.construct()

        workspace = Load("SANS2D00028827")

        # Is part of LAB
        tof_spectra_23813_original = workspace.getSpectrum(23813).getTofs()

        # Act
        workspace = mask_workspace(state=state,
                                   component_as_string='LAB',
                                   workspace=workspace)

        # Assert
        # Confirm that everything in the ranges 27000-45000  and 58000-61000 is removed from the event list
        tof_spectra_23813_masked = workspace.getSpectrum(23813).getTofs()

        # Spectrum 23813
        # Five events should have been removed
        self.assertEqual(len(tof_spectra_23813_masked),
                         len(tof_spectra_23813_original) - 5)

        # Make sure that there are no elements
        for start, stop in zip(bin_mask_start, bin_mask_stop):
            self.assertFalse(
                any(elements_in_range(start, stop, tof_spectra_23813_masked)))
 def _mask(self, state, workspace, component):
     output_ws = mask_workspace(component_as_string=component,
                                workspace=workspace,
                                state=state)
     return output_ws
Exemple #13
0
    def test_that_spectra_masking_is_applied(self):
        data_info = self._build_data_info()

        mask_builder = get_mask_builder(data_info)

        # Expected_spectra
        expected_spectra = []

        # Standard spectra
        single_spectra = [13, 14, 17]
        expected_spectra.extend(single_spectra)

        spectrum_range_start = [20, 30]
        spectrum_range_stop = [25, 35]
        expected_spectra.extend(list(range(20, 25 + 1)))
        expected_spectra.extend(list(range(30, 35 + 1)))

        # Detector-specific single horizontal strip mask
        # The horizontal strip will be evaluated for SANS2D on the LAB as:
        # e.g. [(50*512 + 9(monitors)] + x in range(0, 512)
        single_horizontal_strip_masks = [50, 53]
        for single_horizontal_strip_mask in single_horizontal_strip_masks:
            expected_spectra.extend(
                ((single_horizontal_strip_mask * 512 + 9) + x
                 for x in range(0, 512)))

        # Detector-specific range horizontal strip mask
        # The horizontal range will be evaluated for SANS2D on the LAB as:
        # e.g. [(62*512 + 9(monitors)] + x in range(0, 512) + (63*512 + 9(monitors)] + x in range(0, 512) + ...]
        range_horizontal_strip_start = [62, 67]
        range_horizontal_strip_stop = [64, 70]
        for start, stop in zip(range_horizontal_strip_start,
                               range_horizontal_strip_stop):
            expected_spectra.extend(((start * 512 + 9) + y * 512 + x
                                     for y in range(0, stop - start + 1)
                                     for x in range(0, 512)))

        # Detector-specific single vertical strip mask
        # The vertical strip will be evaluated for SANS2D on the LAB as:
        # e.g. [(45 + 9(monitors)] + y*512  for y in range(0, 120)]
        single_vertical_strip_masks = [45, 89]
        for single_vertical_strip_mask in single_vertical_strip_masks:
            expected_spectra.extend(((single_vertical_strip_mask + 9) + y * 512
                                     for y in range(0, 120)))

        # Detector-specific range vertical strip mask
        # The vertical range will be evaluated for SANS2D on the LAB as:
        range_vertical_strip_start = [99]
        range_vertical_strip_stop = [102]
        for start, stop in zip(range_vertical_strip_start,
                               range_vertical_strip_stop):
            expected_spectra.extend(((start_elem + 9) + y * 512
                                     for start_elem in range(start, stop + 1)
                                     for y in range(0, 120)))

        mask_builder.set_single_spectra_on_detector(single_spectra)
        mask_builder.set_spectrum_range_on_detector(spectrum_range_start,
                                                    spectrum_range_stop)
        mask_builder.set_LAB_single_horizontal_strip_mask(
            single_horizontal_strip_masks)
        mask_builder.set_LAB_range_horizontal_strip_start(
            range_horizontal_strip_start)
        mask_builder.set_LAB_range_horizontal_strip_stop(
            range_horizontal_strip_stop)
        mask_builder.set_LAB_single_vertical_strip_mask(
            single_vertical_strip_masks)
        mask_builder.set_LAB_range_vertical_strip_start(
            range_vertical_strip_start)
        mask_builder.set_LAB_range_vertical_strip_stop(
            range_vertical_strip_stop)
        mask_info = mask_builder.build()

        test_director = TestDirector()
        test_director.set_states(data_state=data_info, mask_state=mask_info)
        state = test_director.construct()

        # Act
        workspace = mask_workspace(state=state,
                                   component_as_string="LAB",
                                   workspace=self._sans_data)

        # Assert
        self._do_assert(workspace, expected_spectra)