예제 #1
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def test_raw_reject():
    """Test raw data getter with annotation reject."""
    sfreq = 100.
    info = create_info(['a', 'b', 'c', 'd', 'e'], sfreq, ch_types='eeg')
    raw = RawArray(np.ones((5, 15000)), info)
    with pytest.warns(RuntimeWarning, match='outside the data range'):
        raw.set_annotations(
            Annotations([2, 100, 105, 148], [2, 8, 5, 8], 'BAD'))
    data, times = raw.get_data(
        [0, 1, 3, 4],
        100,
        11200,  # 1-112 sec
        'omit',
        return_times=True)
    bad_times = np.concatenate([
        np.arange(200, 400),
        np.arange(10000, 10800),
        np.arange(10500, 11000)
    ])
    expected_times = np.setdiff1d(np.arange(100, 11200), bad_times) / sfreq
    assert_allclose(times, expected_times)

    # with orig_time and complete overlap
    raw = read_raw_fif(fif_fname)
    raw.set_annotations(
        Annotations(onset=[1, 4, 5] + raw._first_time,
                    duration=[1, 3, 1],
                    description='BAD',
                    orig_time=raw.info['meas_date']))
    t_stop = 18.
    assert raw.times[-1] > t_stop
    n_stop = int(round(t_stop * raw.info['sfreq']))
    n_drop = int(round(4 * raw.info['sfreq']))
    assert len(raw.times) >= n_stop
    data, times = raw.get_data(range(10), 0, n_stop, 'omit', True)
    assert data.shape == (10, n_stop - n_drop)
    assert times[-1] == raw.times[n_stop - 1]
    assert_array_equal(data[:, -100:], raw[:10, n_stop - 100:n_stop][0])

    data, times = raw.get_data(range(10), 0, n_stop, 'NaN', True)
    assert_array_equal(data.shape, (10, n_stop))
    assert times[-1] == raw.times[n_stop - 1]
    t_1, t_2 = raw.time_as_index([1, 2], use_rounding=True)
    assert np.isnan(data[:, t_1:t_2]).all()  # 1s -2s
    assert not np.isnan(data[:, :t_1].any())
    assert not np.isnan(data[:, t_2:].any())
    assert_array_equal(data[:, -100:], raw[:10, n_stop - 100:n_stop][0])
    assert_array_equal(raw.get_data(), raw[:][0])

    # Test _sync_onset
    times = [10, -88, 190]
    onsets = _sync_onset(raw, times)
    assert_array_almost_equal(onsets,
                              times - raw.first_samp / raw.info['sfreq'])
    assert_array_almost_equal(times, _sync_onset(raw, onsets, True))
예제 #2
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def test_time_as_index_ref(offset, origin):
    """Test indexing of raw times."""
    info = create_info(ch_names=10, sfreq=10.)
    raw = RawArray(data=np.empty((10, 10)), info=info, first_samp=10)
    raw.set_meas_date(1)

    relative_times = raw.times
    inds = raw.time_as_index(relative_times + offset,
                             use_rounding=True,
                             origin=origin)
    assert_array_equal(inds, np.arange(raw.n_times))
예제 #3
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def test_time_as_index_ref(offset, origin):
    """Test indexing of raw times."""
    meas_date = 1
    info = create_info(ch_names=10, sfreq=10.)
    raw = RawArray(data=np.empty((10, 10)), info=info, first_samp=10)
    raw.info['meas_date'] = meas_date

    relative_times = raw.times
    inds = raw.time_as_index(relative_times + offset,
                             use_rounding=True,
                             origin=origin)
    assert_array_equal(inds, np.arange(raw.n_times))
예제 #4
0
def test_raw_reject():
    """Test raw data getter with annotation reject."""
    sfreq = 100.
    info = create_info(['a', 'b', 'c', 'd', 'e'], sfreq, ch_types='eeg')
    raw = RawArray(np.ones((5, 15000)), info)
    with pytest.warns(RuntimeWarning, match='outside the data range'):
        raw.set_annotations(Annotations([2, 100, 105, 148],
                                        [2, 8, 5, 8], 'BAD'))
    data, times = raw.get_data([0, 1, 3, 4], 100, 11200,  # 1-112 sec
                               'omit', return_times=True)
    bad_times = np.concatenate([np.arange(200, 400),
                                np.arange(10000, 10800),
                                np.arange(10500, 11000)])
    expected_times = np.setdiff1d(np.arange(100, 11200), bad_times) / sfreq
    assert_allclose(times, expected_times)

    # with orig_time and complete overlap
    raw = read_raw_fif(fif_fname)
    raw.set_annotations(Annotations(onset=[1, 4, 5] + raw._first_time,
                                    duration=[1, 3, 1],
                                    description='BAD',
                                    orig_time=raw.info['meas_date']))
    t_stop = 18.
    assert raw.times[-1] > t_stop
    n_stop = int(round(t_stop * raw.info['sfreq']))
    n_drop = int(round(4 * raw.info['sfreq']))
    assert len(raw.times) >= n_stop
    data, times = raw.get_data(range(10), 0, n_stop, 'omit', True)
    assert data.shape == (10, n_stop - n_drop)
    assert times[-1] == raw.times[n_stop - 1]
    assert_array_equal(data[:, -100:], raw[:10, n_stop - 100:n_stop][0])

    data, times = raw.get_data(range(10), 0, n_stop, 'NaN', True)
    assert_array_equal(data.shape, (10, n_stop))
    assert times[-1] == raw.times[n_stop - 1]
    t_1, t_2 = raw.time_as_index([1, 2], use_rounding=True)
    assert np.isnan(data[:, t_1:t_2]).all()  # 1s -2s
    assert not np.isnan(data[:, :t_1].any())
    assert not np.isnan(data[:, t_2:].any())
    assert_array_equal(data[:, -100:], raw[:10, n_stop - 100:n_stop][0])
    assert_array_equal(raw.get_data(), raw[:][0])

    # Test _sync_onset
    times = [10, -88, 190]
    onsets = _sync_onset(raw, times)
    assert_array_almost_equal(onsets, times - raw.first_samp /
                              raw.info['sfreq'])
    assert_array_almost_equal(times, _sync_onset(raw, onsets, True))