def test_pconnscalar():
parcel_map = create_parcel_map((0, 1))
scalar_map = create_scalar_map((2, ))
matrix = ci.Cifti2Matrix()
matrix.append(parcel_map)
matrix.append(scalar_map)
hdr = ci.Cifti2Header(matrix)
data = np.random.randn(4, 4, 2)
img = ci.Cifti2Image(data, hdr)
img.nifti_header.set_intent('NIFTI_INTENT_CONNECTIVITY_PARCELLATED_'
'PARCELLATED_SCALAR')
with InTemporaryDirectory():
ci.save(img, 'test.pconnscalar.nii')
img2 = ci.load('test.pconnscalar.nii')
assert_equal(img.nifti_header.get_intent()[0], 'ConnPPSc')
assert_true(isinstance(img2, ci.Cifti2Image))
assert_array_equal(img2.get_fdata(), data)
assert_equal(img2.header.matrix.get_index_map(0),
img2.header.matrix.get_index_map(1))
check_parcel_map(img2.header.matrix.get_index_map(0))
check_scalar_map(img2.header.matrix.get_index_map(2))
del img2
def test_plabel():
label_map = create_label_map((0, ))
parcel_map = create_parcel_map((1, ))
matrix = ci.Cifti2Matrix()
matrix.append(label_map)
matrix.append(parcel_map)
hdr = ci.Cifti2Header(matrix)
data = np.random.randn(2, 4)
img = ci.Cifti2Image(data, hdr)
with InTemporaryDirectory():
ci.save(img, 'test.plabel.nii')
img2 = ci.load('test.plabel.nii')
assert_equal(img.nifti_header.get_intent()[0], 'ConnUnknown')
assert_true(isinstance(img2, ci.Cifti2Image))
assert_array_equal(img2.get_fdata(), data)
check_label_map(img2.header.matrix.get_index_map(0))
check_parcel_map(img2.header.matrix.get_index_map(1))
del img2
def test_dconn():
mapping = create_geometry_map((0, 1))
matrix = ci.Cifti2Matrix()
matrix.append(mapping)
hdr = ci.Cifti2Header(matrix)
data = np.random.randn(10, 10)
img = ci.Cifti2Image(data, hdr)
img.nifti_header.set_intent('NIFTI_INTENT_CONNECTIVITY_DENSE')
with InTemporaryDirectory():
ci.save(img, 'test.dconn.nii')
img2 = nib.load('test.dconn.nii')
assert_equal(img2.nifti_header.get_intent()[0], 'ConnDense')
assert_true(isinstance(img2, ci.Cifti2Image))
assert_array_equal(img2.get_fdata(), data)
assert_equal(img2.header.matrix.get_index_map(0),
img2.header.matrix.get_index_map(1))
check_geometry_map(img2.header.matrix.get_index_map(0))
del img2
def test_dpconn():
parcel_map = create_parcel_map((0, ))
geometry_map = create_geometry_map((1, ))
matrix = ci.Cifti2Matrix()
matrix.append(parcel_map)
matrix.append(geometry_map)
hdr = ci.Cifti2Header(matrix)
data = np.random.randn(4, 10)
img = ci.Cifti2Image(data, hdr)
img.nifti_header.set_intent('NIFTI_INTENT_CONNECTIVITY_DENSE_PARCELLATED')
with InTemporaryDirectory():
ci.save(img, 'test.dpconn.nii')
img2 = ci.load('test.dpconn.nii')
assert_equal(img2.nifti_header.get_intent()[0], 'ConnDenseParcel')
assert_true(isinstance(img2, ci.Cifti2Image))
assert_array_equal(img2.get_fdata(), data)
check_parcel_map(img2.header.matrix.get_index_map(0))
check_geometry_map(img2.header.matrix.get_index_map(1))
del img2
def test_ptseries():
series_map = create_series_map((0, ))
parcel_map = create_parcel_map((1, ))
matrix = ci.Cifti2Matrix()
matrix.append(series_map)
matrix.append(parcel_map)
hdr = ci.Cifti2Header(matrix)
data = np.random.randn(13, 4)
img = ci.Cifti2Image(data, hdr)
img.nifti_header.set_intent('NIFTI_INTENT_CONNECTIVITY_PARCELLATED_SERIES')
with InTemporaryDirectory():
ci.save(img, 'test.ptseries.nii')
img2 = nib.load('test.ptseries.nii')
assert_equal(img2.nifti_header.get_intent()[0], 'ConnParcelSries')
assert_true(isinstance(img2, ci.Cifti2Image))
assert_array_equal(img2.get_fdata(), data)
check_series_map(img2.header.matrix.get_index_map(0))
check_parcel_map(img2.header.matrix.get_index_map(1))
del img2
def test_dscalar():
scalar_map = create_scalar_map((0, ))
geometry_map = create_geometry_map((1, ))
matrix = ci.Cifti2Matrix()
matrix.append(scalar_map)
matrix.append(geometry_map)
hdr = ci.Cifti2Header(matrix)
data = np.random.randn(2, 10)
img = ci.Cifti2Image(data, hdr)
img.nifti_header.set_intent('NIFTI_INTENT_CONNECTIVITY_DENSE_SCALARS')
with InTemporaryDirectory():
ci.save(img, 'test.dscalar.nii')
img2 = nib.load('test.dscalar.nii')
assert_equal(img2.nifti_header.get_intent()[0], 'ConnDenseScalar')
assert_true(isinstance(img2, ci.Cifti2Image))
assert_array_equal(img2.get_fdata(), data)
check_scalar_map(img2.header.matrix.get_index_map(0))
check_geometry_map(img2.header.matrix.get_index_map(1))
del img2
