コード例 #1
0
def test_coreg_model():
    """Test CoregModel"""
    from mne.gui._coreg_gui import CoregModel
    tempdir = _TempDir()
    trans_dst = os.path.join(tempdir, 'test-trans.fif')

    model = CoregModel()
    assert_raises(RuntimeError, model.save_trans, 'blah.fif')

    model.mri.subjects_dir = subjects_dir
    model.mri.subject = 'sample'

    assert_false(model.mri.fid_ok)
    model.mri.lpa = [[-0.06, 0, 0]]
    model.mri.nasion = [[0, 0.05, 0]]
    model.mri.rpa = [[0.08, 0, 0]]
    assert_true(model.mri.fid_ok)

    model.hsp.file = raw_path
    assert_allclose(model.hsp.lpa, [[-7.137e-2, 0, 5.122e-9]], 1e-4)
    assert_allclose(model.hsp.rpa, [[+7.527e-2, 0, 5.588e-9]], 1e-4)
    assert_allclose(model.hsp.nasion, [[+3.725e-9, 1.026e-1, 4.191e-9]], 1e-4)
    assert_true(model.has_fid_data)

    lpa_distance = model.lpa_distance
    nasion_distance = model.nasion_distance
    rpa_distance = model.rpa_distance
    avg_point_distance = np.mean(model.point_distance)

    model.fit_auricular_points()
    old_x = lpa_distance**2 + rpa_distance**2
    new_x = model.lpa_distance**2 + model.rpa_distance**2
    assert_true(new_x < old_x)

    model.fit_fiducials()
    old_x = lpa_distance**2 + rpa_distance**2 + nasion_distance**2
    new_x = (model.lpa_distance**2 + model.rpa_distance**2 +
             model.nasion_distance**2)
    assert_true(new_x < old_x)

    model.fit_hsp_points()
    assert_true(np.mean(model.point_distance) < avg_point_distance)

    model.save_trans(trans_dst)
    trans = mne.read_trans(trans_dst)
    assert_allclose(trans['trans'], model.head_mri_trans)

    # test restoring trans
    x, y, z, rot_x, rot_y, rot_z = .1, .2, .05, 1.5, 0.1, -1.2
    model.trans_x = x
    model.trans_y = y
    model.trans_z = z
    model.rot_x = rot_x
    model.rot_y = rot_y
    model.rot_z = rot_z
    trans = model.head_mri_trans
    model.reset_traits(
        ["trans_x", "trans_y", "trans_z", "rot_x", "rot_y", "rot_z"])
    assert_equal(model.trans_x, 0)
    model.set_trans(trans)
    assert_almost_equal(model.trans_x, x)
    assert_almost_equal(model.trans_y, y)
    assert_almost_equal(model.trans_z, z)
    assert_almost_equal(model.rot_x, rot_x)
    assert_almost_equal(model.rot_y, rot_y)
    assert_almost_equal(model.rot_z, rot_z)

    # info
    assert_true(isinstance(model.fid_eval_str, string_types))
    assert_true(isinstance(model.points_eval_str, string_types))

    model.get_prepare_bem_model_job('sample')
    model.load_trans(fname_trans)

    from mne.gui._coreg_gui import CoregFrame
    x = CoregFrame(raw_path, 'sample', subjects_dir)
    os.environ['_MNE_GUI_TESTING_MODE'] = 'true'
    try:
        with warnings.catch_warnings(record=True):  # traits spews warnings
            warnings.simplefilter('always')
            x._init_plot()
    finally:
        del os.environ['_MNE_GUI_TESTING_MODE']
コード例 #2
0
ファイル: test_coreg_gui.py プロジェクト: BushraR/mne-python
def test_coreg_model():
    """Test CoregModel"""
    from mne.gui._coreg_gui import CoregModel
    tempdir = _TempDir()
    trans_dst = os.path.join(tempdir, 'test-trans.fif')

    model = CoregModel()
    assert_raises(RuntimeError, model.save_trans, 'blah.fif')

    model.mri.subjects_dir = subjects_dir
    model.mri.subject = 'sample'

    assert_false(model.mri.fid_ok)
    model.mri.lpa = [[-0.06, 0, 0]]
    model.mri.nasion = [[0, 0.05, 0]]
    model.mri.rpa = [[0.08, 0, 0]]
    assert_true(model.mri.fid_ok)

    model.hsp.file = raw_path
    assert_allclose(model.hsp.lpa, [[-7.137e-2, 0, 5.122e-9]], 1e-4)
    assert_allclose(model.hsp.rpa, [[+7.527e-2, 0, 5.588e-9]], 1e-4)
    assert_allclose(model.hsp.nasion, [[+3.725e-9, 1.026e-1, 4.191e-9]], 1e-4)
    assert_true(model.has_fid_data)

    lpa_distance = model.lpa_distance
    nasion_distance = model.nasion_distance
    rpa_distance = model.rpa_distance
    avg_point_distance = np.mean(model.point_distance)

    model.fit_auricular_points()
    old_x = lpa_distance ** 2 + rpa_distance ** 2
    new_x = model.lpa_distance ** 2 + model.rpa_distance ** 2
    assert_true(new_x < old_x)

    model.fit_fiducials()
    old_x = lpa_distance ** 2 + rpa_distance ** 2 + nasion_distance ** 2
    new_x = (model.lpa_distance ** 2 + model.rpa_distance ** 2
             + model.nasion_distance ** 2)
    assert_true(new_x < old_x)

    model.fit_hsp_points()
    assert_true(np.mean(model.point_distance) < avg_point_distance)

    model.save_trans(trans_dst)
    trans = mne.read_trans(trans_dst)
    assert_allclose(trans['trans'], model.head_mri_trans)

    # test restoring trans
    x, y, z, rot_x, rot_y, rot_z = .1, .2, .05, 1.5, 0.1, -1.2
    model.trans_x = x
    model.trans_y = y
    model.trans_z = z
    model.rot_x = rot_x
    model.rot_y = rot_y
    model.rot_z = rot_z
    trans = model.head_mri_trans
    model.reset_traits(["trans_x", "trans_y", "trans_z", "rot_x", "rot_y",
                        "rot_z"])
    assert_equal(model.trans_x, 0)
    model.set_trans(trans)
    assert_almost_equal(model.trans_x, x)
    assert_almost_equal(model.trans_y, y)
    assert_almost_equal(model.trans_z, z)
    assert_almost_equal(model.rot_x, rot_x)
    assert_almost_equal(model.rot_y, rot_y)
    assert_almost_equal(model.rot_z, rot_z)

    # info
    assert_true(isinstance(model.fid_eval_str, string_types))
    assert_true(isinstance(model.points_eval_str, string_types))

    model.get_prepare_bem_model_job('sample')
    model.load_trans(fname_trans)

    from mne.gui._coreg_gui import CoregFrame
    x = CoregFrame(raw_path, 'sample', subjects_dir)
    os.environ['_MNE_GUI_TESTING_MODE'] = 'true'
    try:
        with warnings.catch_warnings(record=True):  # traits spews warnings
            warnings.simplefilter('always')
            x._init_plot()
    finally:
        del os.environ['_MNE_GUI_TESTING_MODE']