MCAbsorptionStrategy.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2016 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
 
#include "MantidAPI/ISpectrum.h"
#include "MantidAlgorithms/DllConfig.h"
#include "MantidAlgorithms/SampleCorrections/IMCAbsorptionStrategy.h"
#include "MantidAlgorithms/SampleCorrections/IMCInteractionVolume.h"
#include "MantidAlgorithms/SampleCorrections/MCInteractionStatistics.h"
#include "MantidHistogramData/Histogram.h"
#include "MantidKernel/DeltaEMode.h"
#include <tuple>
 
namespace Mantid {
namespace API {
class Sample;
}
namespace Kernel {
class PseudoRandomNumberGenerator;
class V3D;
class Logger;
} // namespace Kernel
namespace Algorithms {
class IBeamProfile;
class MonteCarloAbsorption;
 
class MANTID_ALGORITHMS_DLL MCAbsorptionStrategy : public IMCAbsorptionStrategy {
public:
  MCAbsorptionStrategy(IMCInteractionVolume &interactionVolume, const IBeamProfile &beamProfile,
                       Kernel::DeltaEMode::Type EMode, const size_t nevents, const size_t maxScatterPtAttempts,
                       const bool regenerateTracksForEachLambda);
  virtual void calculate(Kernel::PseudoRandomNumberGenerator &rng, const Kernel::V3D &finalPos,
                         const std::vector<double> &lambdas, const double lambdaFixed,
                         std::vector<double> &attenuationFactors, std::vector<double> &attFactorErrors,
                         MCInteractionStatistics &stats) override;
 
private:
  const IBeamProfile &m_beamProfile;
  const IMCInteractionVolume &m_scatterVol;
  const size_t m_nevents;
  const size_t m_maxScatterAttempts;
  const Kernel::DeltaEMode::Type m_EMode;
  const bool m_regenerateTracksForEachLambda;
  IMCInteractionVolume &setActiveRegion(IMCInteractionVolume &interactionVolume, const IBeamProfile &beamProfile);
};
 
} // namespace Algorithms
} // namespace Mantid