def test_map_cifti2gifti_fails_when_not_matched_surface(cifti, gifti):
import nibabel.gifti as ngif
badNV = ngif.GiftiNVPairs(name="BAD", value="BAD")
gifti.darrays[0].meta = ngif.GiftiMetaData(badNV)
with pytest.raises(ValueError):
niviz.surface.map_cifti_to_gifti(gifti, cifti)
def test_write_newmetadata():
img = gi.GiftiImage()
attr = gi.GiftiNVPairs(name='mykey', value='val1')
newmeta = gi.GiftiMetaData(attr)
img.meta = newmeta
myme = img.meta.metadata
assert_true('mykey' in myme)
newmeta = gi.GiftiMetaData.from_dict({'mykey1': 'val2'})
img.meta = newmeta
myme = img.meta.metadata
assert_true('mykey1' in myme)
assert_false('mykey' in myme)
def bad_gifti():
import nibabel.gifti as ngif
g = ngif.GiftiImage()
coords = np.random.uniform(size=(20, 3))
trigs = np.random.randint(low=0, high=100, size=(5, 3))
struct = ngif.GiftiNVPairs(name="AnatomicalStructurePrimary",
value="CortexLeft")
meta = ngif.GiftiMetaData(struct)
darray_coords = ngif.GiftiDataArray(data=coords,
intent='NIFTI_INTENT_POINTSET',
meta=meta)
darray_trigs = ngif.GiftiDataArray(data=trigs, intent=1009)
g.add_gifti_data_array(darray_coords)
g.add_gifti_data_array(darray_trigs)
return g