def test_brain_linkviewer(renderer_interactive, brain_gc):
"""Test _LinkViewer primitives."""
if renderer_interactive._get_3d_backend() != 'pyvista':
pytest.skip('Linkviewer only supported on PyVista')
brain1 = _create_testing_brain(hemi='lh', show_traces=False)
brain2 = _create_testing_brain(hemi='lh', show_traces='separate')
brain1._times = brain1._times * 2
with pytest.warns(RuntimeWarning, match='linking time'):
link_viewer = _LinkViewer(
[brain1, brain2],
time=True,
camera=False,
colorbar=False,
picking=False,
)
brain1.close()
brain_data = _create_testing_brain(hemi='split', show_traces='vertex')
link_viewer = _LinkViewer(
[brain2, brain_data],
time=True,
camera=True,
colorbar=True,
picking=True,
)
link_viewer.leader.set_time_point(0)
link_viewer.leader.mpl_canvas.time_func(0)
link_viewer.leader.callbacks["fmin"](0)
link_viewer.leader.callbacks["fmid"](0.5)
link_viewer.leader.callbacks["fmax"](1)
link_viewer.leader.set_playback_speed(0.1)
link_viewer.leader.toggle_playback()
brain2.close()
brain_data.close()
def test_brain_timeviewer(renderer):
"""Test _TimeViewer primitives."""
if renderer.get_3d_backend() == "mayavi":
pytest.skip() # Skip PySurfer.TimeViewer
else:
# Disable testing to allow interactive window
renderer.MNE_3D_BACKEND_TESTING = False
sample_src = read_source_spaces(src_fname)
# dense version
vertices = [s['vertno'] for s in sample_src]
n_time = 5
n_verts = sum(len(v) for v in vertices)
stc_data = np.zeros((n_verts * n_time))
stc_size = stc_data.size
stc_data[(np.random.rand(stc_size // 20) * stc_size).astype(int)] = \
np.random.RandomState(0).rand(stc_data.size // 20)
stc_data.shape = (n_verts, n_time)
stc = SourceEstimate(stc_data, vertices, 1, 1)
fmin = stc.data.min()
fmax = stc.data.max()
brain_data = _Brain(subject_id,
'split',
surf,
size=300,
subjects_dir=subjects_dir)
for hemi in ['lh', 'rh']:
hemi_idx = 0 if hemi == 'lh' else 1
data = getattr(stc, hemi + '_data')
vertices = stc.vertices[hemi_idx]
brain_data.add_data(data,
fmin=fmin,
hemi=hemi,
fmax=fmax,
colormap='hot',
vertices=vertices,
colorbar=True)
time_viewer = _TimeViewer(brain_data)
time_viewer.time_call(value=0)
time_viewer.orientation_call(value='lat', update_widget=True)
time_viewer.orientation_call(value='medial', update_widget=True)
time_viewer.smoothing_call(value=1)
time_viewer.fmin_call(value=12.0)
time_viewer.fmax_call(value=4.0)
time_viewer.fmid_call(value=6.0)
time_viewer.fmid_call(value=4.0)
time_viewer.fscale_call(value=1.1)
time_viewer.toggle_interface()
time_viewer.playback_speed_call(value=0.1)
time_viewer.toggle_playback()
time_viewer.apply_auto_scaling()
time_viewer.restore_user_scaling()
link_viewer = _LinkViewer([brain_data])
link_viewer.set_time_point(value=0)
link_viewer.set_playback_speed(value=0.1)
link_viewer.toggle_playback()
def test_brain_linkviewer(renderer_interactive):
"""Test _LinkViewer primitives."""
brain_data = _create_testing_brain(hemi='split')
_TimeViewer(brain_data)
link_viewer = _LinkViewer([brain_data])
link_viewer.set_time_point(value=0)
link_viewer.set_playback_speed(value=0.1)
link_viewer.toggle_playback()
def test_brain_linkviewer(renderer_interactive):
"""Test _LinkViewer primitives."""
if renderer_interactive._get_3d_backend() != 'pyvista':
pytest.skip()
brain_data = _create_testing_brain(hemi='split')
_TimeViewer(brain_data)
link_viewer = _LinkViewer([brain_data])
link_viewer.set_time_point(value=0)
link_viewer.set_playback_speed(value=0.1)
link_viewer.toggle_playback()
def test_brain_linkviewer(renderer_interactive, travis_macos):
"""Test _LinkViewer primitives."""
if renderer_interactive._get_3d_backend() != 'pyvista':
pytest.skip('Linkviewer only supported on PyVista')
if travis_macos:
pytest.skip('Linkviewer tests unstable on Travis macOS')
brain_data = _create_testing_brain(hemi='split')
_TimeViewer(brain_data)
link_viewer = _LinkViewer([brain_data])
link_viewer.set_time_point(value=0)
link_viewer.set_playback_speed(value=0.1)
link_viewer.toggle_playback()
def test_brain_linkviewer(renderer_interactive):
"""Test _LinkViewer primitives."""
if renderer_interactive._get_3d_backend() != 'pyvista':
pytest.skip('Linkviewer only supported on PyVista')
brain_data = _create_testing_brain(hemi='split', show_traces=False)
link_viewer = _LinkViewer(
[brain_data],
time=True,
camera=True,
colorbar=True,
picking=True,
)
link_viewer.set_time_point(value=0)
link_viewer.set_fmin(0)
link_viewer.set_fmid(0.5)
link_viewer.set_fmax(1)
link_viewer.set_playback_speed(value=0.1)
link_viewer.toggle_playback()
