Ejemplo n.º 1
0
def test_read_raw():
    """Test the raw reading."""
    # Use a file ending that does not exist
    f = 'file.bogus'
    with pytest.raises(ValueError, match='file name extension must be one of'):
        _read_raw(f)
Ejemplo n.º 2
0
    def interpolate(self):
        """
        Interpolates bad channels to create new data and updates info

        Parameters
        ----------
        none

        Returns
        -------
        none

        """
        result_filename = self.unique_name + "_results.json"
        result_file_overall = os.path.join(self.result_path, result_filename)
        processed_filename = self.unique_name + "_raw.fif"
        processed_file_overall = os.path.join(self.result_path,
                                              processed_filename)
        if os.path.isfile(result_file_overall) and os.path.isfile(
                processed_file_overall):
            eeg = _read_raw(processed_file_overall)
            with open(result_file_overall) as json_file:
                automagic = json.load(json_file)
        else:
            raise (ValueError, "The block has not been preprocessed yet.")
            return
        interpolate_chans = self.to_be_interpolated
        if interpolate_chans == []:
            raise (
                ValueError,
                "The block is rated to be interpolated but no channels chosen",
            )
            return
        if (self.params == [] or not "interpolation_params" in self.params
                or self.params["interpolation_params"] == []):
            default_params = self.config["default_params"]
            interpolation_params = default_params["interpolation_params"]
        else:
            interpolation_params = self.params["interpolation_params"]
        eeg.load_data()
        eeg.info["dig"] = mne.channels.make_standard_montage(self.montage)
        interpolated = eeg.interpolate_bads(
        )  # (origin=interpolation_params['origin'])

        overall_thresh = self.project.quality_thresholds["overall_thresh"]
        time_thresh = self.project.quality_thresholds["time_thresh"]
        chan_thresh = self.project.quality_thresholds["chan_thresh"]
        apply_common_avg = self.project.quality_thresholds["apply_common_avg"]
        quality_scores = calcQuality(
            interpolated.get_data(),
            interpolate_chans,
            overall_thresh,
            time_thresh,
            chan_thresh,
            apply_common_avg,
        )
        update_to_be_stored = {
            "rate": "not rated",
            "is_manually_rated": False,
            "to_be_interpolated": [],
            "final_bad_chans": interpolate_chans,
            "is_interpolated": True,
            "quality_scores": quality_scores,
        }
        self.update_rating(update_to_be_stored)
        automagic.update({
            "interpolation": {
                "channels": interpolate_chans,
                "params": interpolation_params,
            },
            "quality_scores": self.quality_scores,
            "rate": self.rate,
        })
        results = {"preprocessed": interpolated, "automagic": automagic}
        self.write_log(automagic)
        automagic.update({
            "to_be_interpolated": self.to_be_interpolated,
            "rate": self.rate,
            "quality_scores": self.quality_scores,
            "is_manually_rated": self.is_manually_rated,
            "is_interpolated": self.is_interpolated,
        })
        main_result_file = results["automagic"]
        result_filename = self.unique_name + "_results.json"
        result_file_overall = os.path.join(self.result_path, result_filename)
        _write_json(result_file_overall,
                    main_result_file,
                    overwrite=True,
                    verbose=True)
        processed = results["preprocessed"]
        processed.info["dig"] = None
        processed_filename = self.unique_name + "_raw.fif"
        processed_file_overall = os.path.join(self.result_path,
                                              processed_filename)
        processed.save(processed_file_overall, overwrite=True)
        return results
Ejemplo n.º 3
0
def run():
    """Run the raw_to_bids command."""
    from mne.commands.utils import get_optparser

    parser = get_optparser(__file__, usage="usage: %prog options args",
                           prog_prefix='mne_bids',
                           version=mne_bids.__version__)

    parser.add_option('--subject_id', dest='subject_id',
                      help=('subject name in BIDS compatible format '
                            '(01, 02, etc.)'))
    parser.add_option('--task', dest='task',
                      help='name of the task the data is based on')
    parser.add_option('--raw', dest='raw_fname',
                      help='path to the raw MEG file')
    parser.add_option('--bids_root', dest='bids_root',
                      help='The path of the BIDS compatible folder.')
    parser.add_option('--session_id', dest='session_id',
                      help='session name in BIDS compatible format')
    parser.add_option('--run', dest='run',
                      help='run number for this dataset')
    parser.add_option('--acq', dest='acq',
                      help='acquisition parameter for this dataset')
    parser.add_option('--events_data', dest='events_data',
                      help='events file (events.tsv)')
    parser.add_option('--event_id', dest='event_id',
                      help='event id dict', metavar='eid')
    parser.add_option('--hpi', dest='hpi',
                      help='path to the MEG marker points')
    parser.add_option('--electrode', dest='electrode',
                      help='path to head-native digitizer points')
    parser.add_option('--hsp', dest='hsp',
                      help='path to headshape points')
    parser.add_option('--config', dest='config',
                      help='path to the configuration file')
    parser.add_option('--overwrite', dest='overwrite',
                      help="whether to overwrite existing data (BOOLEAN)")
    parser.add_option('--line_freq', dest='line_freq',
                      help="The frequency of the line noise in Hz "
                           "(e.g. 50 or 60). If unknown, pass None")

    opt, args = parser.parse_args()

    if len(args) > 0:
        parser.print_help()
        parser.error('Do not specify arguments without flags. Found: "{}".\n'
                     .format(args))

    if not all([opt.subject_id, opt.task, opt.raw_fname, opt.bids_root]):
        parser.print_help()
        parser.error('Arguments missing. You need to specify at least the'
                     'following: --subject_id, --task, --raw, --bids_root.')

    bids_path = BIDSPath(
        subject=opt.subject_id, session=opt.session_id, run=opt.run,
        acquisition=opt.acq, task=opt.task, root=opt.bids_root)

    allow_maxshield = False
    if opt.raw_fname.endswith('.fif'):
        allow_maxshield = 'yes'

    raw = _read_raw(opt.raw_fname, hpi=opt.hpi, electrode=opt.electrode,
                    hsp=opt.hsp, config_path=opt.config,
                    allow_maxshield=allow_maxshield)
    if opt.line_freq is not None:
        line_freq = None if opt.line_freq == "None" else opt.line_freq
        raw.info['line_freq'] = line_freq
    write_raw_bids(raw, bids_path, event_id=opt.event_id,
                   events_data=opt.events_data, overwrite=opt.overwrite,
                   verbose=True)
Ejemplo n.º 4
0
def run():
    """Run the raw_to_bids command."""
    from mne.commands.utils import get_optparser

    parser = get_optparser(__file__,
                           usage="usage: %prog options args",
                           prog_prefix='mne_bids',
                           version=mne_bids.__version__)

    parser.add_option('--subject_id',
                      dest='subject_id',
                      help=('subject name in BIDS compatible format '
                            '(01, 02, etc.)'))
    parser.add_option('--task',
                      dest='task',
                      help='name of the task the data is based on')
    parser.add_option('--raw',
                      dest='raw_fname',
                      help='path to the raw MEEG file')
    parser.add_option('--output_path',
                      dest='output_path',
                      help='path to the BIDS compatible folder')
    parser.add_option('--session_id',
                      dest='session_id',
                      help='session name in BIDS compatible format')
    parser.add_option('--run', dest='run', help='run number for this dataset')
    parser.add_option('--acq',
                      dest='acq',
                      help='acquisition parameter for this dataset')
    parser.add_option('--events_data',
                      dest='events_data',
                      help='events file (events.tsv)')
    parser.add_option('--event_id',
                      dest='event_id',
                      help='event id dict',
                      metavar='eid')
    parser.add_option('--hpi',
                      dest='hpi',
                      help='path to the MEG marker points')
    parser.add_option('--electrode',
                      dest='electrode',
                      help='path to head-native digitizer points')
    parser.add_option('--hsp', dest='hsp', help='path to headshape points')
    parser.add_option('--config',
                      dest='config',
                      help='path to the configuration file')
    parser.add_option('--overwrite',
                      dest='overwrite',
                      help="whether to overwrite existing data (BOOLEAN)")
    parser.add_option('--allow_maxshield',
                      dest='allow_maxshield',
                      help="whether to allow non maxfiltered data (BOOLEAN)",
                      action='store_true')

    opt, args = parser.parse_args()

    if len(args) > 0:
        parser.print_help()
        parser.error(
            'Do not specify arguments without flags. Found: "{}".\n'.format(
                args))

    if not all([opt.subject_id, opt.task, opt.raw_fname, opt.output_path]):
        parser.print_help()
        parser.error('Arguments missing. You need to specify at least the'
                     'following: --subject_id, --task, --raw, --output_path.')

    bids_basename = make_bids_basename(subject=opt.subject_id,
                                       session=opt.session_id,
                                       run=opt.run,
                                       acquisition=opt.acq,
                                       task=opt.task)
    raw = _read_raw(opt.raw_fname,
                    hpi=opt.hpi,
                    electrode=opt.electrode,
                    hsp=opt.hsp,
                    config=opt.config,
                    allow_maxshield=opt.allow_maxshield)
    write_raw_bids(raw,
                   bids_basename,
                   opt.output_path,
                   event_id=opt.event_id,
                   events_data=opt.events_data,
                   overwrite=opt.overwrite,
                   verbose=True)