LoadIsawPeaks.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 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/IFileLoader.h"
#include "MantidCrystal/DllConfig.h"
#include "MantidDataObjects/PeaksWorkspace.h"
#include "MantidGeometry/Instrument/ComponentInfo.h"
#include "MantidGeometry/Instrument/DetectorInfo.h"
#include "MantidKernel/FileDescriptor.h"
 
namespace Mantid {
namespace Crystal {
 
class MANTID_CRYSTAL_DLL LoadIsawPeaks : public API::IFileLoader<Kernel::FileDescriptor> {
public:
  const std::string name() const override { return "LoadIsawPeaks"; }
 
  const std::string summary() const override { return "Load an ISAW-style .peaks file into a PeaksWorkspace."; }
 
  int version() const override { return 1; }
  const std::vector<std::string> seeAlso() const override { return {"SaveIsawPeaks"}; }
 
  const std::string category() const override { return "Crystal\\DataHandling;DataHandling\\Isaw"; }
 
  int confidence(Kernel::FileDescriptor &descriptor) const override;
 
private:
  bool m_isModulatedStructure;
  std::vector<double> m_offset1 = {0.0, 0.0, 0.0};
  std::vector<double> m_offset2 = {0.0, 0.0, 0.0};
  std::vector<double> m_offset3 = {0.0, 0.0, 0.0};
 
  void init() override;
 
  void exec() override;
 
  std::string readHeader(const Mantid::DataObjects::PeaksWorkspace_sptr &outWS, std::ifstream &in, double &T0);
 
  DataObjects::Peak readPeak(const DataObjects::PeaksWorkspace_sptr &outWS, std::string &lastStr, std::ifstream &in,
                             int &seqNum, const std::string &bankName, double qSign);
 
  int findPixelID(const DataObjects::PeaksWorkspace_sptr &ws, const std::string &bankName, int col, int row);
 
  std::string readPeakBlockHeader(std::string lastStr, std::ifstream &in, int &run, int &detName, double &chi,
                                  double &phi, double &omega, double &monCount);
 
  void appendFile(const Mantid::DataObjects::PeaksWorkspace_sptr &outWS, const std::string &filename);
 
  void checkNumberPeaks(const Mantid::DataObjects::PeaksWorkspace_sptr &outWS, const std::string &filename);
 
  std::map<std::string, size_t> m_bankIndices;
 
  size_t getCachedBankIndex(std::string const &bankname, Geometry::ComponentInfo const &componentInfo);
};
 
} // namespace Crystal
} // namespace Mantid