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ConvertEmptyToTof.h
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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 {
/** ConvertEmptyToTof :
At the ILL the data is loaded in raw format : no units used. The X-axis
represent the time channel number.
This algorithm converts the channel number to time of flight
*/
class MANTID_ALGORITHMS_DLL ConvertEmptyToTof : public API::Algorithm, public API::DeprecatedAlgorithm {
public:
const std::string name() const override;
int version() const override;
const std::string category() const override;
/// Summary of algorithms purpose
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