def test_get_plot_stat_map_params_neg():
# data with negative range
affine = np.eye(4)
data_neg = np.array([[-.5, 0, np.nan],
[0., np.nan, -.2],
[0, 0, 0]])
img_neg = nibabel.Nifti1Image(data_neg, affine)
# symmetric_cbar set to True
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_neg, vmax=None,
symmetric_cbar=True,
kwargs={})
assert_equal(vmin, np.nanmin(data_neg))
assert_equal(vmax, -np.nanmin(data_neg))
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_neg, vmax=2,
symmetric_cbar=True,
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# symmetric_cbar is set to False
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_neg, vmax=None,
symmetric_cbar=False,
kwargs={})
assert_equal(vmin, np.nanmin(data_neg))
assert_equal(vmax, -np.nanmin(data_neg))
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, 0)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_neg, vmax=2,
symmetric_cbar=False,
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, 0)
# symmetric_cbar is set to 'auto', same behaviour as False in this case
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_neg, vmax=None,
symmetric_cbar='auto',
kwargs={})
assert_equal(vmin, np.nanmin(data_neg))
assert_equal(vmax, -np.nanmin(data_neg))
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, 0)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_neg, vmax=2,
symmetric_cbar='auto',
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, 0)
def test_get_plot_stat_map_params_pos():
# data with positive range
affine = np.eye(4)
data_pos = np.array([[0, 1., np.nan],
[0., np.nan, 0],
[1.5, 2.5, 3.]])
img_pos = nibabel.Nifti1Image(data_pos, affine)
# symmetric_cbar set to True
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_pos, vmax=None,
symmetric_cbar=True,
kwargs={})
assert_equal(vmin, -np.nanmax(data_pos))
assert_equal(vmax, np.nanmax(data_pos))
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_pos, vmax=2,
symmetric_cbar=True,
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# symmetric_cbar is set to False
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_pos, vmax=None,
symmetric_cbar=False,
kwargs={})
assert_equal(vmin, -np.nanmax(data_pos))
assert_equal(vmax, np.nanmax(data_pos))
assert_equal(cbar_vmin, 0)
assert_equal(cbar_vmax, None)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_pos, vmax=2,
symmetric_cbar=False,
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, 0)
assert_equal(cbar_vmax, None)
# symmetric_cbar is set to 'auto', same behaviour as false in this case
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_pos, vmax=None,
symmetric_cbar='auto',
kwargs={})
assert_equal(vmin, -np.nanmax(data_pos))
assert_equal(vmax, np.nanmax(data_pos))
assert_equal(cbar_vmin, 0)
assert_equal(cbar_vmax, None)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_pos, vmax=2,
symmetric_cbar='auto',
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, 0)
assert_equal(cbar_vmax, None)
def test_get_plot_stat_map_params_pos_neg():
# data with positive and negative range
affine = np.eye(4)
data = np.array([[-.5, 1., np.nan],
[0., np.nan, -.2],
[1.5, 2.5, 3.]])
img = nibabel.Nifti1Image(data, affine)
# symmetric_cbar set to True
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img, vmax=None,
symmetric_cbar=True,
kwargs={})
assert_equal(vmin, -np.nanmax(data))
assert_equal(vmax, np.nanmax(data))
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img, vmax=2,
symmetric_cbar=True,
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# symmetric_cbar is set to False
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img, vmax=None,
symmetric_cbar=False,
kwargs={})
assert_equal(vmin, -np.nanmax(data))
assert_equal(vmax, np.nanmax(data))
assert_equal(cbar_vmin, np.nanmin(data))
assert_equal(cbar_vmax, np.nanmax(data))
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img, vmax=2,
symmetric_cbar=False,
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, np.nanmin(data))
assert_equal(cbar_vmax, np.nanmax(data))
# symmetric_cbar is set to 'auto', same behaviours as True for this case
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img, vmax=None,
symmetric_cbar='auto',
kwargs={})
assert_equal(vmin, -np.nanmax(data))
assert_equal(vmax, np.nanmax(data))
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img, vmax=2,
symmetric_cbar='auto',
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
def test_get_plot_stat_map_params_neg():
# data with negative range
affine = np.eye(4)
data_neg = np.array([[-.5, 0, np.nan], [0., np.nan, -.2], [0, 0, 0]])
img_neg = nibabel.Nifti1Image(data_neg, affine)
# symmetric_cbar set to True
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_neg, vmax=None,
symmetric_cbar=True,
kwargs={})
assert_equal(vmin, np.nanmin(data_neg))
assert_equal(vmax, -np.nanmin(data_neg))
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_neg, vmax=2,
symmetric_cbar=True,
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# symmetric_cbar is set to False
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_neg, vmax=None,
symmetric_cbar=False,
kwargs={})
assert_equal(vmin, np.nanmin(data_neg))
assert_equal(vmax, -np.nanmin(data_neg))
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, 0)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_neg, vmax=2,
symmetric_cbar=False,
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, 0)
# symmetric_cbar is set to 'auto', same behaviour as False in this case
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_neg, vmax=None,
symmetric_cbar='auto',
kwargs={})
assert_equal(vmin, np.nanmin(data_neg))
assert_equal(vmax, -np.nanmin(data_neg))
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, 0)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_neg, vmax=2,
symmetric_cbar='auto',
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, 0)
def test_get_plot_stat_map_params_pos():
# data with positive range
affine = np.eye(4)
data_pos = np.array([[0, 1., np.nan], [0., np.nan, 0], [1.5, 2.5, 3.]])
img_pos = nibabel.Nifti1Image(data_pos, affine)
# symmetric_cbar set to True
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_pos, vmax=None,
symmetric_cbar=True,
kwargs={})
assert_equal(vmin, -np.nanmax(data_pos))
assert_equal(vmax, np.nanmax(data_pos))
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_pos, vmax=2,
symmetric_cbar=True,
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# symmetric_cbar is set to False
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_pos, vmax=None,
symmetric_cbar=False,
kwargs={})
assert_equal(vmin, -np.nanmax(data_pos))
assert_equal(vmax, np.nanmax(data_pos))
assert_equal(cbar_vmin, 0)
assert_equal(cbar_vmax, None)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_pos, vmax=2,
symmetric_cbar=False,
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, 0)
assert_equal(cbar_vmax, None)
# symmetric_cbar is set to 'auto', same behaviour as false in this case
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_pos, vmax=None,
symmetric_cbar='auto',
kwargs={})
assert_equal(vmin, -np.nanmax(data_pos))
assert_equal(vmax, np.nanmax(data_pos))
assert_equal(cbar_vmin, 0)
assert_equal(cbar_vmax, None)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img_pos, vmax=2,
symmetric_cbar='auto',
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, 0)
assert_equal(cbar_vmax, None)
def test_get_plot_stat_map_params_pos_neg():
# data with positive and negative range
affine = np.eye(4)
data = np.array([[-.5, 1., np.nan], [0., np.nan, -.2], [1.5, 2.5, 3.]])
img = nibabel.Nifti1Image(data, affine)
# symmetric_cbar set to True
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img, vmax=None,
symmetric_cbar=True,
kwargs={})
assert_equal(vmin, -np.nanmax(data))
assert_equal(vmax, np.nanmax(data))
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img, vmax=2,
symmetric_cbar=True,
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# symmetric_cbar is set to False
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img, vmax=None,
symmetric_cbar=False,
kwargs={})
assert_equal(vmin, -np.nanmax(data))
assert_equal(vmax, np.nanmax(data))
assert_equal(cbar_vmin, np.nanmin(data))
assert_equal(cbar_vmax, np.nanmax(data))
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img, vmax=2,
symmetric_cbar=False,
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, np.nanmin(data))
assert_equal(cbar_vmax, np.nanmax(data))
# symmetric_cbar is set to 'auto', same behaviours as True for this case
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img, vmax=None,
symmetric_cbar='auto',
kwargs={})
assert_equal(vmin, -np.nanmax(data))
assert_equal(vmax, np.nanmax(data))
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
# same case if vmax has been set
cbar_vmin, cbar_vmax, vmin, vmax = \
_get_plot_stat_map_params(img, vmax=2,
symmetric_cbar='auto',
kwargs={})
assert_equal(vmin, -2)
assert_equal(vmax, 2)
assert_equal(cbar_vmin, None)
assert_equal(cbar_vmax, None)
