ConvertEmptyToTof.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2014 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/Algorithm.h"
#include "MantidAPI/DeprecatedAlgorithm.h"
#include "MantidAPI/MatrixWorkspace_fwd.h"
#include "MantidAlgorithms/DllConfig.h"
#include "MantidDataObjects/Workspace2D.h"
 
#include <utility> // std::pair
 
namespace Mantid {
namespace API {
class SpectrumInfo;
}
namespace Algorithms {
 
class MANTID_ALGORITHMS_DLL ConvertEmptyToTof final : public API::Algorithm, public API::DeprecatedAlgorithm {
public:
  const std::string name() const override;
  int version() const override;
  const std::string category() const override;
  const std::string summary() const override { return "Converts the channel number to time of flight."; }
 
private:
  void init() override;
  void exec() override;
 
  void validateWorkspaceIndices(std::vector<int> &v);
  void validateChannelIndices(std::vector<int> &v);
 
  std::map<int, int> findElasticPeakPositions(const std::vector<int> &, const std::vector<int> &);
 
  void estimateFWHM(const Mantid::HistogramData::HistogramY &, double &, double &, double &, double &, double &);
 
  bool doFitGaussianPeak(int, double &, double &, double &, double, double);
  std::pair<int, double> findAverageEppAndEpTof(const std::map<int, int> &);
 
  double calculateTOF(double, double);
  bool areEqual(double, double, double);
  int roundUp(double);
  std::vector<double> makeTofAxis(int, double, size_t, double);
  void setTofInWS(const std::vector<double> &, const API::MatrixWorkspace_sptr &);
 
  DataObjects::Workspace2D_sptr m_inputWS;
  API::MatrixWorkspace_sptr m_outputWS;
  // Provide hint to compiler that this should be default initialized to nullptr
  const API::SpectrumInfo *m_spectrumInfo = nullptr;
};
 
} // namespace Algorithms
} // namespace Mantid