def test_cbf_writer(image_file, dials_regression, run_in_tmpdir):
    filename = os.path.join(dials_regression, image_file)
    datablock = DataBlockFactory.from_filenames([filename])[0]
    imageset = datablock.extract_imagesets()[0]

    FormatCBFMini.as_file(
        imageset.get_detector(),
        imageset.get_beam(),
        imageset.get_goniometer(),
        imageset.get_scan(),
        imageset.get_raw_data(0)[0],
        "image_0001.cbf",
    )

    assert datablock.format_class()

    datablock2 = DataBlockFactory.from_filenames(["image_0001.cbf"])[0]
    imageset2 = datablock2.extract_imagesets()[0]

    tolerance = tolerance_phil_scope.extract().tolerance

    diff = SweepDiff(tolerance)
    print("\n".join(diff(imageset, imageset2)))

    assert BeamComparison()(imageset.get_beam(), imageset2.get_beam())
    assert DetectorComparison(origin_tolerance=tolerance.detector.origin)(
        imageset.get_detector(), imageset2.get_detector())
    assert GoniometerComparison()(imageset.get_goniometer(),
                                  imageset2.get_goniometer())
    s1 = imageset.get_scan()
    s2 = imageset.get_scan()
    assert s1.get_exposure_times() == s2.get_exposure_times()
    assert s1.get_oscillation() == s2.get_oscillation()
    assert s1.get_image_range() == s2.get_image_range()
    assert imageset.get_raw_data(0) == imageset2.get_raw_data(0)
Exemplo n.º 2
0
def combine(datablock_list, reflections_list, params):
  '''
  Combine the found spots.

  '''
  from dxtbx.datablock import BeamComparison
  from dxtbx.datablock import DetectorComparison
  from dxtbx.datablock import GoniometerComparison
  from dxtbx.datablock import DataBlock
  from dxtbx.imageset import ImageSetFactory
  from dials.algorithms.spot_finding import StrongSpotCombiner
  from dials.array_family import flex
  assert len(datablock_list) == len(reflections_list)

  # Get a list of imagesets
  imageset_list = []
  for db in datablock_list:
    iset = db.extract_imagesets()
    assert len(iset) == 1
    imageset_list.append(iset[0])

  compare_beam = BeamComparison(
    wavelength_tolerance=params.input.tolerance.beam.wavelength,
    direction_tolerance=params.input.tolerance.beam.direction,
    polarization_normal_tolerance=params.input.tolerance.beam.polarization_normal,
    polarization_fraction_tolerance=params.input.tolerance.beam.polarization_fraction)
  compare_detector = DetectorComparison(
    fast_axis_tolerance=params.input.tolerance.detector.fast_axis,
    slow_axis_tolerance=params.input.tolerance.detector.slow_axis,
    origin_tolerance=params.input.tolerance.detector.origin)
  compare_goniometer = GoniometerComparison(
    rotation_axis_tolerance=params.input.tolerance.goniometer.rotation_axis,
    fixed_rotation_tolerance=params.input.tolerance.goniometer.fixed_rotation,
    setting_rotation_tolerance=params.input.tolerance.goniometer.setting_rotation)
  scan_tolerance = params.input.tolerance.scan.oscillation

  # The initial models
  format_class = imageset_list[0].get_format_class()
  beam = imageset_list[0].get_beam()
  detector = imageset_list[0].get_detector()
  goniometer = imageset_list[0].get_goniometer()
  scan = imageset_list[0].get_scan()
  template = imageset_list[0].get_template()

  # Check all the models
  for imageset in imageset_list[1:]:
    b = imageset.get_beam()
    d = imageset.get_detector()
    g = imageset.get_goniometer()
    s = imageset.get_scan()
    if not imageset.get_format_class() == format_class:
      raise RuntimeError('Format classes do not match')
    if not imageset.get_template() == template:
      raise RuntimeError('Templates do not match')
    if not compare_beam(beam, b):
      raise RuntimeError('Beam models are too dissimilar')
    if not compare_detector(detector, d):
      raise RuntimeError('Detector models are too dissimilar')
    if not compare_goniometer(goniometer, g):
      raise RuntimeError('Goniometer models are too dissimilar')
    try:
      scan.append(s, scan_tolerance=scan_tolerance)
    except Exception:
      raise RuntimeError('Scans do not match')

  # Get the image range
  image_range = scan.get_image_range()
  image_range = (image_range[0], image_range[1]+1)

  # Create the sweep
  imageset = ImageSetFactory.make_sweep(
    template, range(*image_range),
    format_class,
    beam, detector,
    goniometer, scan)

  # Combine spots
  combiner = StrongSpotCombiner()
  for index, rlist in enumerate(reflections_list, start=1):
    assert rlist['id'].all_eq(0)
    logger.info("Combining %d reflections from reflection list %d" % (
      len(rlist),
      index))
    combiner.add(rlist['shoebox'])
  shoeboxes = combiner.shoeboxes()

  # Calculate the spot centroids and intensities
  logger.info('Combined into %d reflections' % len(shoeboxes))
  centroid = shoeboxes.centroid_valid()
  logger.info('Calculated {0} spot centroids'.format(len(shoeboxes)))
  intensity = shoeboxes.summed_intensity()
  logger.info('Calculated {0} spot intensities'.format(len(shoeboxes)))

  # Construct the reflection table
  reflections = flex.reflection_table(
    flex.observation(
      shoeboxes.panels(),
      centroid,
      intensity),
    shoeboxes)
  reflections['id'] = flex.int(len(reflections), 0)
  reflections.set_flags(
    flex.size_t_range(len(reflections)),
    reflections.flags.strong)

  # Return the datablock and reflections
  return DataBlock([imageset]), reflections
Exemplo n.º 3
0
    def parse_args(self,
                   args,
                   verbose=False,
                   return_unhandled=False,
                   quick_parse=False):
        '''
    Parse the command line arguments.

    :param args: The input arguments
    :param verbose: Print verbose output
    :param return_unhandled: True/False also return unhandled arguments
    :param quick_parse: Return as fast as possible and without reading any data,
                        ignoring class constructor options.
    :return: The options and parameters and (optionally) unhandled arguments

    '''
        import os.path
        from dxtbx.datablock import BeamComparison
        from dxtbx.datablock import DetectorComparison
        from dxtbx.datablock import GoniometerComparison
        from dials.util.phil import parse

        # Parse the command line phil parameters
        user_phils = []
        unhandled = []
        interpretor = self.system_phil.command_line_argument_interpreter()
        for arg in args:
            if os.path.isfile(arg) and os.path.getsize(arg) > 0:
                name, ext = os.path.splitext(arg)
                if ext in ['.phil', '.param', '.params', '.eff', '.def']:
                    try:
                        user_phils.append(parse(file_name=arg))
                    except Exception:
                        if return_unhandled:
                            unhandled.append(arg)
                        else:
                            raise
                else:
                    unhandled.append(arg)
            elif arg.find("=") >= 0:
                try:
                    user_phils.append(interpretor.process_arg(arg=arg))
                except Exception:
                    if return_unhandled:
                        unhandled.append(arg)
                    else:
                        raise
            else:
                unhandled.append(arg)

        # Fetch the phil parameters
        self._phil, unused = self.system_phil.fetch(
            sources=user_phils, track_unused_definitions=True)

        # Print if bad definitions
        if len(unused) > 0:
            msg = [item.object.as_str().strip() for item in unused]
            msg = '\n'.join(['  %s' % line for line in msg])
            raise RuntimeError(
                'The following definitions were not recognised\n%s' % msg)

        # Extract the parameters
        params = self._phil.extract()

        # Stop at this point if quick_parse is set. A second pass may be needed.
        if quick_parse:
            return params, unhandled

        # Create some comparison functions
        if self._read_datablocks_from_images:
            compare_beam = BeamComparison(
                wavelength_tolerance=params.input.tolerance.beam.wavelength,
                direction_tolerance=params.input.tolerance.beam.direction,
                polarization_normal_tolerance=params.input.tolerance.beam.
                polarization_normal,
                polarization_fraction_tolerance=params.input.tolerance.beam.
                polarization_fraction)
            compare_detector = DetectorComparison(
                fast_axis_tolerance=params.input.tolerance.detector.fast_axis,
                slow_axis_tolerance=params.input.tolerance.detector.slow_axis,
                origin_tolerance=params.input.tolerance.detector.origin)
            compare_goniometer = GoniometerComparison(
                rotation_axis_tolerance=params.input.tolerance.goniometer.
                rotation_axis,
                fixed_rotation_tolerance=params.input.tolerance.goniometer.
                fixed_rotation,
                setting_rotation_tolerance=params.input.tolerance.goniometer.
                setting_rotation)
            scan_tolerance = params.input.tolerance.scan.oscillation

            # FIXME Should probably make this smarter since it requires editing here
            # and in dials.import phil scope
            try:
                format_kwargs = {
                    'dynamic_shadowing': params.format.dynamic_shadowing,
                    'multi_panel': params.format.multi_panel,
                }
            except Exception:
                format_kwargs = None
        else:
            compare_beam = None
            compare_detector = None
            compare_goniometer = None
            scan_tolerance = None
            format_kwargs = None

        # Try to import everything
        importer = Importer(
            unhandled,
            read_datablocks=self._read_datablocks,
            read_experiments=self._read_experiments,
            read_reflections=self._read_reflections,
            read_datablocks_from_images=self._read_datablocks_from_images,
            check_format=self._check_format,
            verbose=verbose,
            compare_beam=compare_beam,
            compare_detector=compare_detector,
            compare_goniometer=compare_goniometer,
            scan_tolerance=scan_tolerance,
            format_kwargs=format_kwargs)

        # Grab a copy of the errors that occured in case the caller wants them
        self.handling_errors = importer.handling_errors

        # Add the cached arguments
        for obj in importer.datablocks:
            params.input.datablock.append(obj)
        for obj in importer.experiments:
            params.input.experiments.append(obj)
        for obj in importer.reflections:
            params.input.reflections.append(obj)

        # Convert to phil
        self._phil = self.system_phil.format(python_object=params)

        return params, importer.unhandled
Exemplo n.º 4
0
    def __call__(self, experiment):
        from dxtbx.datablock import BeamComparison
        from dxtbx.datablock import DetectorComparison
        from dxtbx.datablock import GoniometerComparison

        if self.tolerance:
            compare_beam = BeamComparison(
                wavelength_tolerance=self.tolerance.beam.wavelength,
                direction_tolerance=self.tolerance.beam.direction,
                polarization_normal_tolerance=self.tolerance.beam.
                polarization_normal,
                polarization_fraction_tolerance=self.tolerance.beam.
                polarization_fraction)
            compare_detector = DetectorComparison(
                fast_axis_tolerance=self.tolerance.detector.fast_axis,
                slow_axis_tolerance=self.tolerance.detector.slow_axis,
                origin_tolerance=self.tolerance.detector.origin)
            compare_goniometer = GoniometerComparison(
                rotation_axis_tolerance=self.tolerance.goniometer.
                rotation_axis,
                fixed_rotation_tolerance=self.tolerance.goniometer.
                fixed_rotation,
                setting_rotation_tolerance=self.tolerance.goniometer.
                setting_rotation)

        else:
            compare_beam = None
            compare_detector = None
            compare_goniometer = None

        if self.ref_beam:
            if compare_beam:
                assert (compare_beam(self.ref_beam, experiment.beam))
            beam = self.ref_beam
        else:
            beam = experiment.beam

        if self.ref_detector and self.average_detector:
            detector = self.ref_detector
        elif self.ref_detector and not self.average_detector:
            if compare_detector:
                assert (compare_detector(self.ref_detector,
                                         experiment.detector))
            detector = self.ref_detector
        else:
            detector = experiment.detector

        if self.ref_goniometer:
            if compare_goniometer:
                assert (compare_goniometer(self.ref_goniometer,
                                           experiment.goniometer))
            goniometer = self.ref_goniometer
        else:
            goniometer = experiment.goniometer

        if self.ref_scan:
            scan = self.ref_scan
        else:
            scan = experiment.scan

        if self.ref_crystal:
            crystal = self.ref_crystal
        else:
            crystal = experiment.crystal

        from dxtbx.model.experiment_list import Experiment
        return Experiment(beam=beam,
                          detector=detector,
                          scan=scan,
                          goniometer=goniometer,
                          crystal=crystal,
                          imageset=experiment.imageset)
Exemplo n.º 5
0
def load_imagesets(template,
                   directory,
                   id_image=None,
                   image_range=None,
                   use_cache=True,
                   reversephi=False):
    global imageset_cache
    from dxtbx.datablock import DataBlockFactory
    from xia2.Applications.xia2setup import known_hdf5_extensions

    full_template_path = os.path.join(directory, template)

    if full_template_path not in imageset_cache or not use_cache:

        from dxtbx.datablock import BeamComparison
        from dxtbx.datablock import DetectorComparison
        from dxtbx.datablock import GoniometerComparison

        params = PhilIndex.params.xia2.settings
        compare_beam = BeamComparison(
            wavelength_tolerance=params.input.tolerance.beam.wavelength,
            direction_tolerance=params.input.tolerance.beam.direction,
            polarization_normal_tolerance=params.input.tolerance.beam.
            polarization_normal,
            polarization_fraction_tolerance=params.input.tolerance.beam.
            polarization_fraction)
        compare_detector = DetectorComparison(
            fast_axis_tolerance=params.input.tolerance.detector.fast_axis,
            slow_axis_tolerance=params.input.tolerance.detector.slow_axis,
            origin_tolerance=params.input.tolerance.detector.origin)
        compare_goniometer = GoniometerComparison(
            rotation_axis_tolerance=params.input.tolerance.goniometer.
            rotation_axis,
            fixed_rotation_tolerance=params.input.tolerance.goniometer.
            fixed_rotation,
            setting_rotation_tolerance=params.input.tolerance.goniometer.
            setting_rotation)
        scan_tolerance = params.input.tolerance.scan.oscillation

        format_kwargs = {
            'dynamic_shadowing': params.input.format.dynamic_shadowing,
            'multi_panel': params.input.format.multi_panel,
        }

        if os.path.splitext(full_template_path)[-1] in known_hdf5_extensions:
            import glob
            g = glob.glob(os.path.join(directory, '*_master.h5'))
            master_file = None
            for p in g:
                substr = longest_common_substring(template, p)
                if substr:
                    if (master_file is None or (len(substr) > len(
                            longest_common_substring(template, master_file)))):
                        master_file = p

            if master_file is None and \
                  os.path.exists(full_template_path) and \
                  os.path.isfile(full_template_path):
                master_file = full_template_path

            if master_file is None:
                raise RuntimeError("Can't find master file for %s" %
                                   full_template_path)

            unhandled = []
            datablocks = DataBlockFactory.from_filenames(
                [master_file],
                verbose=False,
                unhandled=unhandled,
                compare_beam=compare_beam,
                compare_detector=compare_detector,
                compare_goniometer=compare_goniometer,
                scan_tolerance=scan_tolerance,
                format_kwargs=format_kwargs)

            assert len(unhandled) == 0, "unhandled image files identified: %s" % \
                unhandled
            assert len(datablocks) == 1, "1 datablock expected, %d found" % \
                len(datablocks)

        else:

            from dxtbx.sweep_filenames import locate_files_matching_template_string

            params = PhilIndex.get_python_object()
            read_all_image_headers = params.xia2.settings.read_all_image_headers

            if read_all_image_headers:
                paths = sorted(
                    locate_files_matching_template_string(full_template_path))
                unhandled = []
                datablocks = DataBlockFactory.from_filenames(
                    paths,
                    verbose=False,
                    unhandled=unhandled,
                    compare_beam=compare_beam,
                    compare_detector=compare_detector,
                    compare_goniometer=compare_goniometer,
                    scan_tolerance=scan_tolerance,
                    format_kwargs=format_kwargs)
                assert len(unhandled) == 0, "unhandled image files identified: %s" % \
                    unhandled
                assert len(datablocks) == 1, "1 datablock expected, %d found" % \
                    len(datablocks)

            else:
                from dxtbx.datablock import DataBlockTemplateImporter
                importer = DataBlockTemplateImporter(
                    [full_template_path], format_kwargs=format_kwargs)
                datablocks = importer.datablocks

        imagesets = datablocks[0].extract_sweeps()
        assert len(imagesets) > 0, "no imageset found"

        imageset_cache[full_template_path] = collections.OrderedDict()
        if reversephi:
            for imageset in imagesets:
                goniometer = imageset.get_goniometer()
                goniometer.set_rotation_axis(
                    tuple((-g for g in goniometer.get_rotation_axis())))

        reference_geometry = PhilIndex.params.xia2.settings.input.reference_geometry
        if reference_geometry is not None and len(reference_geometry) > 0:
            update_with_reference_geometry(imagesets, reference_geometry)

        # Update the geometry
        params = PhilIndex.params.xia2.settings
        update_geometry = []

        from dials.command_line.dials_import import ManualGeometryUpdater
        from dials.util.options import geometry_phil_scope
        # Then add manual geometry
        work_phil = geometry_phil_scope.format(params.input)
        diff_phil = geometry_phil_scope.fetch_diff(source=work_phil)
        if diff_phil.as_str() != "":
            update_geometry.append(ManualGeometryUpdater(params.input))

        imageset_list = []
        for imageset in imagesets:
            for updater in update_geometry:
                imageset = updater(imageset)
            imageset_list.append(imageset)
        imagesets = imageset_list

        from scitbx.array_family import flex
        for imageset in imagesets:
            scan = imageset.get_scan()
            exposure_times = scan.get_exposure_times()
            epochs = scan.get_epochs()
            if exposure_times.all_eq(0) or exposure_times[0] == 0:
                exposure_times = flex.double(exposure_times.size(), 1)
                scan.set_exposure_times(exposure_times)
            elif not exposure_times.all_gt(0):
                exposure_times = flex.double(exposure_times.size(),
                                             exposure_times[0])
                scan.set_exposure_times(exposure_times)
            if epochs.size() > 1 and not epochs.all_gt(0):
                if epochs[0] == 0:
                    epochs[0] = 1
                for i in range(1, epochs.size()):
                    epochs[i] = epochs[i - 1] + exposure_times[i - 1]
                scan.set_epochs(epochs)
            _id_image = scan.get_image_range()[0]
            imageset_cache[full_template_path][_id_image] = imageset

    if id_image is not None:
        return [imageset_cache[full_template_path][id_image]]
    elif image_range is not None:
        for imageset in imageset_cache[full_template_path].values():
            scan = imageset.get_scan()
            scan_image_range = scan.get_image_range()
            if (image_range[0] >= scan_image_range[0]
                    and image_range[1] <= scan_image_range[1]):
                imagesets = [
                    imageset[image_range[0] -
                             scan_image_range[0]:image_range[1] + 1 -
                             scan_image_range[0]]
                ]
                assert len(imagesets[0]) == image_range[1] - image_range[0] + 1, \
                  len(imagesets[0])
                return imagesets
    return imageset_cache[full_template_path].values()