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Function test_compute_proj_ctf

mne/preprocessing/tests/test_ssp.py:219–276  ·  view source on GitHub ↗

Test to show that projector code completes on CTF data.

()

Source from the content-addressed store, hash-verified

217@pytest.mark.slowtest # can be slow on OSX
218@testing.requires_testing_data
219def test_compute_proj_ctf():
220 """Test to show that projector code completes on CTF data."""
221 raw = read_raw_ctf(ctf_fname, preload=True)
222
223 # expected channels per projector type
224 mag_picks = pick_types(raw.info, meg="mag", ref_meg=False, exclude="bads")[::10]
225 n_mags = len(mag_picks)
226 grad_picks = pick_types(raw.info, meg="grad", ref_meg=False, exclude="bads")[::10]
227 n_grads = len(grad_picks)
228 eeg_picks = pick_types(
229 raw.info, meg=False, eeg=True, ref_meg=False, exclude="bads"
230 )[2::3]
231 n_eegs = len(eeg_picks)
232 ref_picks = pick_types(raw.info, meg=False, ref_meg=True)
233 raw.pick(np.sort(np.concatenate([mag_picks, grad_picks, eeg_picks, ref_picks])))
234 del mag_picks, grad_picks, eeg_picks, ref_picks
235
236 # Test with and without gradient compensation
237 raw.apply_gradient_compensation(0)
238 n_projs_init = len(raw.info["projs"])
239 with pytest.warns(RuntimeWarning, match="Attenuation"):
240 projs, _ = compute_proj_eog(
241 raw,
242 n_mag=2,
243 n_grad=2,
244 n_eeg=2,
245 average=True,
246 ch_name="EEG059",
247 avg_ref=True,
248 no_proj=False,
249 l_freq=None,
250 h_freq=None,
251 reject=None,
252 tmax=dur_use,
253 filter_length=1000,
254 )
255 _check_projs_for_expected_channels(projs, n_mags, n_grads, n_eegs)
256 assert len(projs) == (5 + n_projs_init)
257
258 raw.apply_gradient_compensation(1)
259 with pytest.warns(RuntimeWarning, match="Attenuation"):
260 projs, _ = compute_proj_ecg(
261 raw,
262 n_mag=1,
263 n_grad=1,
264 n_eeg=2,
265 average=True,
266 ch_name="EEG059",
267 avg_ref=True,
268 no_proj=False,
269 l_freq=None,
270 h_freq=None,
271 reject=None,
272 tmax=dur_use,
273 filter_length=1000,
274 )
275 _check_projs_for_expected_channels(projs, n_mags, n_grads, n_eegs)
276 assert len(projs) == (4 + n_projs_init)

Callers

nothing calls this directly

Calls 7

read_raw_ctfFunction · 0.90
pick_typesFunction · 0.90
compute_proj_eogFunction · 0.90
compute_proj_ecgFunction · 0.90
pickMethod · 0.45

Tested by

no test coverage detected