def test_head():
"""Test loading the head surface."""
surf_1 = get_head_surf('sample', subjects_dir=subjects_dir)
surf_2 = get_head_surf('sample', 'head', subjects_dir=subjects_dir)
assert len(surf_1['rr']) < len(surf_2['rr']) # BEM vs dense head
pytest.raises(TypeError, get_head_surf, subject=None,
subjects_dir=subjects_dir)
def test_head():
"""Test loading the head surface."""
surf_1 = get_head_surf('sample', subjects_dir=subjects_dir)
surf_2 = get_head_surf('sample', 'head', subjects_dir=subjects_dir)
assert_true(len(surf_1['rr']) < len(surf_2['rr'])) # BEM vs dense head
assert_raises(TypeError, get_head_surf, subject=None,
subjects_dir=subjects_dir)
def test_make_field_map_eeg():
"""Test interpolation of EEG field onto head
"""
evoked = read_evokeds(evoked_fname, condition='Left Auditory')
evoked.info['bads'] = ['MEG 2443', 'EEG 053'] # add some bads
surf = get_head_surf('sample', subjects_dir=subjects_dir)
# we must have trans if surface is in MRI coords
assert_raises(ValueError, _make_surface_mapping, evoked.info, surf, 'eeg')
evoked = pick_types_evoked(evoked, meg=False, eeg=True)
fmd = make_field_map(evoked,
trans_fname=trans_fname,
subject='sample',
subjects_dir=subjects_dir)
# trans is necessary for EEG only
assert_raises(RuntimeError,
make_field_map,
evoked,
trans_fname=None,
subject='sample',
subjects_dir=subjects_dir)
fmd = make_field_map(evoked,
trans_fname=trans_fname,
subject='sample',
subjects_dir=subjects_dir)
assert_true(len(fmd) == 1)
assert_array_equal(fmd[0]['data'].shape, (2562, 59)) # maps data onto surf
assert_true(len(fmd[0]['ch_names']), 59)
def test_make_field_map_eeg():
"""Test interpolation of EEG field onto head
"""
evoked = read_evokeds(evoked_fname, condition="Left Auditory")
evoked.info["bads"] = ["MEG 2443", "EEG 053"] # add some bads
surf = get_head_surf("sample", subjects_dir=subjects_dir)
# we must have trans if surface is in MRI coords
assert_raises(ValueError, _make_surface_mapping, evoked.info, surf, "eeg")
evoked.pick_types(meg=False, eeg=True)
fmd = make_field_map(evoked, trans_fname, subject="sample", subjects_dir=subjects_dir)
# trans is necessary for EEG only
assert_raises(RuntimeError, make_field_map, evoked, None, subject="sample", subjects_dir=subjects_dir)
fmd = make_field_map(evoked, trans_fname, subject="sample", subjects_dir=subjects_dir)
assert_true(len(fmd) == 1)
assert_array_equal(fmd[0]["data"].shape, (642, 59)) # maps data onto surf
assert_true(len(fmd[0]["ch_names"]), 59)
def test_make_field_map_eeg():
"""Test interpolation of EEG field onto head."""
evoked = read_evokeds(evoked_fname, condition='Left Auditory')
evoked.info['bads'] = ['MEG 2443', 'EEG 053'] # add some bads
surf = get_head_surf('sample', subjects_dir=subjects_dir)
# we must have trans if surface is in MRI coords
pytest.raises(ValueError, _make_surface_mapping, evoked.info, surf, 'eeg')
evoked.pick_types(meg=False, eeg=True)
fmd = make_field_map(evoked, trans_fname,
subject='sample', subjects_dir=subjects_dir)
# trans is necessary for EEG only
pytest.raises(RuntimeError, make_field_map, evoked, None,
subject='sample', subjects_dir=subjects_dir)
fmd = make_field_map(evoked, trans_fname,
subject='sample', subjects_dir=subjects_dir)
assert len(fmd) == 1
assert_array_equal(fmd[0]['data'].shape, (642, 59)) # maps data onto surf
assert len(fmd[0]['ch_names']) == 59
def test_head():
"""Test loading the head surface
"""
surf_1 = get_head_surf('sample', subjects_dir=subjects_dir)
surf_2 = get_head_surf('sample', 'head', subjects_dir=subjects_dir)
assert_true(len(surf_1['rr']) < len(surf_2['rr'])) # BEM vs dense head
