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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Sim/Simulation/OffspecSimulation.h
//! @brief Defines class OffspecSimulation.
//!
//! @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)
//
// ************************************************************************************************
#ifndef BORNAGAIN_SIM_SIMULATION_OFFSPECSIMULATION_H
#define BORNAGAIN_SIM_SIMULATION_OFFSPECSIMULATION_H
#include "Base/Type/OwningVector.h"
#include "Sim/Simulation/ISimulation.h"
class Datafield;
class OffspecDetector;
class PhysicalScan;
class Pixel;
class ScanElement;
//! Off-specular scattering simulation.
//!
//! Holds an instrument and sample model.
//! Computes reflected and scattered intensity as function of incident and final glancing angle.
class OffspecSimulation : public ISimulation {
public:
OffspecSimulation(const PhysicalScan& scan, const Sample& sample,
const OffspecDetector& detector);
~OffspecSimulation() override;
std::string className() const final { return "OffspecSimulation"; }
#ifndef SWIG
std::vector<const INode*> nodeChildren() const override;
const PhysicalScan* scan() const { return m_scan.get(); }
const OffspecDetector& detector() const { return *m_detector; }
private:
//... Overridden executors:
void prepareSimulation() override;
void initScanElementVector() override;
void runComputation(const ReSample& re_sample, size_t iElement, double weight) override;
//... Overridden getters:
bool force_polarized() const override;
size_t nElements() const override;
Datafield packResult() const override;
//... Model components:
std::unique_ptr<PhysicalScan> m_scan;
std::unique_ptr<OffspecDetector> m_detector;
//... Caches:
OwningVector<const Pixel> m_pixels; //!< All unmasked pixels inside ROI.
std::vector<ScanElement> m_eles;
#endif // SWIG
};
#endif // BORNAGAIN_SIM_SIMULATION_OFFSPECSIMULATION_H
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