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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Resample/Element/ScanElement.h
//! @brief Declares class the ScanElement.
//!
//! @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)
//
// ************************************************************************************************
#ifdef SWIG
#error no need to expose this header to Swig
#endif // SWIG
#ifndef BORNAGAIN_RESAMPLE_ELEMENT_SCANELEMENT_H
#define BORNAGAIN_RESAMPLE_ELEMENT_SCANELEMENT_H
#include "Resample/Element/IElement.h"
#include <functional>
#include <heinz/Complex.h>
#include <heinz/Vectors3D.h>
#include <memory>
#include <vector>
class SliceStack;
//! Data stucture containing input of a single computation point for scan-based simulations.
class ScanElement : public IElement {
public:
ScanElement(size_t i_out, bool computable, double weight, double intensity, double footprint,
const SpinMatrix& polarizer, const SpinMatrix& analyzer, double lambda,
double alpha, double phi, R3 k);
ScanElement(const ScanElement& other) = delete;
ScanElement(ScanElement&& other) noexcept = default;
size_t i_out() const { return m_i_out; }
double weight() const { return m_weight; }
double beamIntensity() const { return m_beam_intensity; }
double footprint() const { return m_footprint; }
double lambda() const { return m_lambda; }
double alpha() const { return m_alpha; }
double phi() const { return m_phi; }
//! Returns calculation flag (if it's false, zero intensity is assigned to the element)
bool isCalculated() const { return m_computable; }
R3 k() { return m_k; }
private:
const size_t m_i_out; //!< index in scan -> the channel to which this element contributes
const bool m_computable;
const double m_weight;
const double m_beam_intensity;
const double m_footprint;
const double m_lambda;
const double m_alpha;
const double m_phi;
const R3 m_k;
};
#endif // BORNAGAIN_RESAMPLE_ELEMENT_SCANELEMENT_H
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