def test_rock_block_xarray():
"""Test that the xarray method works as expected."""
sample_depths = np.arange(0, 10, 1)
mg = RasterModelGrid((3, 3), 1)
mg.add_zeros("node", "topographic__elevation")
layer_ids = np.tile([0, 1, 2, 3], 5)
layer_elevations = 3. * np.arange(-10, 10)
layer_elevations[-1] = layer_elevations[-2] + 100
attrs = {"K_sp": {0: 0.0003, 1: 0.0001, 2: 0.0002, 3: 0.0004}}
lith = LithoLayers(mg,
layer_elevations,
layer_ids,
function=lambda x, y: x + y,
attrs=attrs)
ds = lith.rock_cube_to_xarray(sample_depths)
expected_array = np.array([
[[3., 2., 2.], [2., 2., 2.], [2., 2., 1.]],
[[3., 3., 2.], [3., 2., 2.], [2., 2., 2.]],
[[3., 3., 3.], [3., 3., 2.], [3., 2., 2.]],
[[0., 3., 3.], [3., 3., 3.], [3., 3., 2.]],
[[0., 0., 3.], [0., 3., 3.], [3., 3., 3.]],
[[0., 0., 0.], [0., 0., 3.], [0., 3., 3.]],
[[1., 0., 0.], [0., 0., 0.], [0., 0., 3.]],
[[1., 1., 0.], [1., 0., 0.], [0., 0., 0.]],
[[1., 1., 1.], [1., 1., 0.], [1., 0., 0.]],
[[2., 1., 1.], [1., 1., 1.], [1., 1., 0.]],
])
assert_array_equal(ds.rock_type__id.values, expected_array)
def test_rock_block_xarray():
"""Test that the xarray method works as expected."""
sample_depths = np.arange(0, 10, 1)
mg = RasterModelGrid((3, 3))
mg.add_zeros("node", "topographic__elevation")
layer_ids = np.tile([0, 1, 2, 3], 5)
layer_elevations = 3.0 * np.arange(-10, 10)
layer_elevations[-1] = layer_elevations[-2] + 100
attrs = {"K_sp": {0: 0.0003, 1: 0.0001, 2: 0.0002, 3: 0.0004}}
lith = LithoLayers(
mg, layer_elevations, layer_ids, function=lambda x, y: x + y, attrs=attrs
)
ds = lith.rock_cube_to_xarray(sample_depths)
expected_array = np.array(
[
[[3.0, 2.0, 2.0], [2.0, 2.0, 2.0], [2.0, 2.0, 1.0]],
[[3.0, 3.0, 2.0], [3.0, 2.0, 2.0], [2.0, 2.0, 2.0]],
[[3.0, 3.0, 3.0], [3.0, 3.0, 2.0], [3.0, 2.0, 2.0]],
[[0.0, 3.0, 3.0], [3.0, 3.0, 3.0], [3.0, 3.0, 2.0]],
[[0.0, 0.0, 3.0], [0.0, 3.0, 3.0], [3.0, 3.0, 3.0]],
[[0.0, 0.0, 0.0], [0.0, 0.0, 3.0], [0.0, 3.0, 3.0]],
[[1.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 3.0]],
[[1.0, 1.0, 0.0], [1.0, 0.0, 0.0], [0.0, 0.0, 0.0]],
[[1.0, 1.0, 1.0], [1.0, 1.0, 0.0], [1.0, 0.0, 0.0]],
[[2.0, 1.0, 1.0], [1.0, 1.0, 1.0], [1.0, 1.0, 0.0]],
]
)
assert_array_equal(ds.rock_type__id.values, expected_array)
def test_rock_block_xarray():
"""Test that the xarray method works as expected."""
func = lambda x, y : x + y
sample_depths = np.arange(0, 10, 1)
mg = RasterModelGrid((3, 3), 1)
z = mg.add_zeros('node', 'topographic__elevation')
layer_ids = np.tile([0,1,2,3], 5)
layer_elevations = 3. * np.arange(-10, 10)
layer_elevations[-1] = layer_elevations[-2] + 100
attrs = {'K_sp': {0: 0.0003,
1: 0.0001,
2: 0.0002,
3: 0.0004}}
lith = LithoLayers(mg, layer_elevations, layer_ids, function=func, attrs=attrs)
ds = lith.rock_cube_to_xarray(sample_depths)
expected_array = np.array([[[ 3., 2., 2.],
[ 2., 2., 2.],
[ 2., 2., 1.]],
[[ 3., 3., 2.],
[ 3., 2., 2.],
[ 2., 2., 2.]],
[[ 3., 3., 3.],
[ 3., 3., 2.],
[ 3., 2., 2.]],
[[ 0., 3., 3.],
[ 3., 3., 3.],
[ 3., 3., 2.]],
[[ 0., 0., 3.],
[ 0., 3., 3.],
[ 3., 3., 3.]],
[[ 0., 0., 0.],
[ 0., 0., 3.],
[ 0., 3., 3.]],
[[ 1., 0., 0.],
[ 0., 0., 0.],
[ 0., 0., 3.]],
[[ 1., 1., 0.],
[ 1., 0., 0.],
[ 0., 0., 0.]],
[[ 1., 1., 1.],
[ 1., 1., 0.],
[ 1., 0., 0.]],
[[ 2., 1., 1.],
[ 1., 1., 1.],
[ 1., 1., 0.]]])
assert_array_equal(ds.rock_type__id.values , expected_array)
def test_function_returns_wrong_number_of_values():
mg = RasterModelGrid(3, 3)
z0s = [-4, -3, -2, -1, 0, 1, 2, 4, 6]
ids = [1, 2, 1, 2, 1, 2, 1, 2, 1]
attrs = {"K_sp": {1: 0.001, 2: 0.0001}}
with pytest.raises(ValueError):
LithoLayers(mg, z0s, ids, attrs, function=lambda x, y: np.array([1.0]))
def test_function_returns_scalar():
mg = RasterModelGrid(3, 3)
z0s = [-4, -3, -2, -1, 0, 1, 2, 4, 6]
ids = [1, 2, 1, 2, 1, 2, 1, 2, 1]
attrs = {"K_sp": {1: 0.001, 2: 0.0001}}
with pytest.raises(ValueError):
LithoLayers(mg, z0s, ids, attrs, function=lambda x, y: 1.0)
def test_z0s_bad_order():
"""Test that providing z0s in a bad order raises an error."""
mg = RasterModelGrid(3, 3)
z0s = [-4, -3, -2, -1, 0, 1, 2, 6, 4]
ids = [1, 2, 1, 2, 1, 2, 1, 2, 1]
attrs = {"K_sp": {1: 0.001, 2: 0.0001}}
with pytest.raises(ValueError):
LithoLayers(mg, z0s, ids, attrs)
def test_z0s_ids_different_shape():
"""Test that providing z0s and ids of different shapes raises an error."""
mg = RasterModelGrid(3, 3)
z0s = [-4, -3, -2, -1, 0, 1, 2, 3, 4]
ids = [1, 2, 1, 2, 1, 2, 1, 2, 1, 2]
attrs = {"K_sp": {1: 0.001, 2: 0.0001}}
with pytest.raises(ValueError):
LithoLayers(mg, z0s, ids, attrs)
def test_bad_function():
"""Test that providing a function of three variables."""
mg = RasterModelGrid((3, 3))
z0s = [-4, -3, -2, -1, 0, 1, 2, 4, 6]
ids = [1, 2, 1, 2, 1, 2, 1, 2, 1]
attrs = {"K_sp": {1: 0.001, 2: 0.0001}}
with pytest.raises(ValueError):
LithoLayers(mg, z0s, ids, attrs, function=lambda x, y, z: 0 * x + 0 * y + z)
def test_function_returns_wrong_number_of_values():
mg = RasterModelGrid(3, 3)
z = mg.add_zeros('node', 'topographic__elevation')
z0s = [-4, -3, -2, -1, 0, 1, 2, 4, 6]
ids = [1, 2, 1, 2, 1, 2, 1, 2, 1]
attrs = {'K_sp': {1: 0.001, 2: 0.0001}}
func = lambda x, y: np.array([1.0])
with pytest.raises(ValueError):
LithoLayers(mg, z0s, ids, attrs, function=func)
def test_z0s_bad_order():
"""Test that providing z0s in a bad order raises an error."""
mg = RasterModelGrid(3, 3)
z = mg.add_zeros('node', 'topographic__elevation')
z0s = [-4, -3, -2, -1, 0, 1, 2, 6, 4]
ids = [1, 2, 1, 2, 1, 2, 1, 2, 1]
attrs = {'K_sp': {1: 0.001, 2: 0.0001}}
with pytest.raises(ValueError):
LithoLayers(mg, z0s, ids, attrs)
def test_z0s_ids_different_shape():
"""Test that providing z0s and ids of different shapes raises an error."""
mg = RasterModelGrid(3, 3)
z = mg.add_zeros('node', 'topographic__elevation')
z0s = [-4, -3, -2, -1, 0, 1, 2, 3, 4]
ids = [1, 2, 1, 2, 1, 2, 1, 2, 1, 2]
attrs = {'K_sp': {1: 0.001, 2: 0.0001}}
with pytest.raises(ValueError):
LithoLayers(mg, z0s, ids, attrs)
def test_bad_function():
"""Test that providing a function of three variables."""
mg = RasterModelGrid(3, 3)
z = mg.add_zeros('node', 'topographic__elevation')
z0s = [-4, -3, -2, -1, 0, 1, 2, 4, 6]
ids = [1, 2, 1, 2, 1, 2, 1, 2, 1]
attrs = {'K_sp': {1: 0.001, 2: 0.0001}}
func = lambda x, y, z: 0 * x + 0 * y + z
with pytest.raises(ValueError):
LithoLayers(mg, z0s, ids, attrs, function=func)