def test_get_factors(self):
result = get_factors(
np.asanyarray([
2.2551711385, 2.478038901, 2.7001518288, 2.9214422642,
3.1418428, 3.3612863, 3.5797059197, 3.7970351263
]), self.component_data)
self.assertIsNotNone(result)
def get_structure_factors(range_stl, G, comp_list):
"""
Calculates the structure factor and phase factor for:
- range_stl: numpy array of 2*sin(θ) / λ values
- G: the number of components (layer types)
- comp_list: list of
:class:`~pyxrd.calculations.data_objects.ComponentData` instances
This function calls :meth:`~pyxrd.calculations.components.get_factors`
for each component in `comp_list` and stores the returned structure
factors and phase difference factors in a numpy array (of type complex)
with shape (X, G) where X is expanded to fit the shape of `range_stl`.
"""
shape = range_stl.shape + (G, )
SF = np.zeros(shape, dtype=np.complex_)
PF = np.zeros(shape, dtype=np.complex_)
for i, comp in enumerate(comp_list):
SF[:, i], PF[:, i] = get_factors(range_stl, comp) # @UndefinedVariable
return SF, PF
def get_structure_factors(range_stl, G, comp_list):
"""
Calculates the structure factor and phase factor for:
- range_stl: numpy array of 2*sin(θ) / λ values
- G: the number of components (layer types)
- comp_list: list of
:class:`~pyxrd.calculations.data_objects.ComponentData` instances
This function calls :meth:`~pyxrd.calculations.components.get_factors`
for each component in `comp_list` and stores the returned structure
factors and phase difference factors in a numpy array (of type complex)
with shape (X, G) where X is expanded to fit the shape of `range_stl`.
"""
shape = range_stl.shape + (G,)
SF = np.zeros(shape, dtype=np.complex_)
PF = np.zeros(shape, dtype=np.complex_)
for i, comp in enumerate(comp_list):
SF[:, i], PF[:, i] = get_factors(range_stl, comp) # @UndefinedVariable
return SF, PF
def get_factors(self, range_stl):
"""
Get the structure factor for the given range of sin(theta)/lambda values.
:param range_stl: A 1D numpy ndarray
"""
return get_factors(range_stl, self.data_object)
def get_factors(self, range_stl):
"""
Get the structure factor for the given range of sin(theta)/lambda values.
:param range_stl: A 1D numpy ndarray
"""
return get_factors(range_stl, self.data_object)
def test_get_factors(self):
result = get_factors(
np.asanyarray([2.2551711385, 2.478038901, 2.7001518288, 2.9214422642, 3.1418428, 3.3612863, 3.5797059197, 3.7970351263]),
self.component_data
)
self.assertIsNotNone(result)
