SpecularElement.cpp

Go to the documentation of this file.

//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      Resample/Element/SpecularElement.cpp
//! @brief     Implements the class SpecularElement.
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#include "Resample/Element/SpecularElement.h"
#include "Base/Vector/Direction.h"
#include "Resample/Slice/KzComputation.h"
 
SpecularElement SpecularElement::FromQzScan(double kz, const PolMatrices& polMatrices,
                                            bool computable)
{
    return SpecularElement(computable, polMatrices, [kz](const SliceStack& slices) {
        return Compute::Kz::computeKzFromSLDs(slices, kz);
    });
}
 
SpecularElement SpecularElement::FromAlphaScan(double wavelength, double alpha,
                                               const PolMatrices& polMatrices, bool computable)
{
    return SpecularElement(
        computable, polMatrices,
        [k = vecOfLambdaAlphaPhi(wavelength, alpha, 0.0)](const SliceStack& slices) {
            return Compute::Kz::computeKzFromRefIndices(slices, k);
        });
}
 
SpecularElement::SpecularElement(bool computable, const PolMatrices& polMatrices,
                                 std::function<std::vector<complex_t>(const SliceStack&)> kz_comp)
    : IElement(polMatrices)
    , m_intensity(0.0)
    , m_computable(computable)
    , m_kz_computation(kz_comp)
{
}
 
SpecularElement::SpecularElement(SpecularElement&& other) = default;
 
SpecularElement::~SpecularElement() = default;
 
std::vector<complex_t> SpecularElement::produceKz(const SliceStack& slices)
{
    return m_kz_computation(slices);
}