EQSANSTofStructure.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
 
//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
#include "MantidAPI/Algorithm.h"
#include "MantidAPI/MatrixWorkspace_fwd.h"
#include "MantidAlgorithms/DllConfig.h"
#include "MantidDataObjects/EventWorkspace.h"
 
namespace Mantid {
namespace Algorithms {
// Pulse widge (micro sec per angstrom)
const double PULSEWIDTH = 20.0;
// Chopper phase offset (micro sec)
const double CHOPPER_PHASE_OFFSET[2][4] = {{9507., 9471., 9829.7, 9584.3}, {19024., 18820., 19714., 19360.}};
// Chopper angles (degree)
const double CHOPPER_ANGLE[4] = {129.605, 179.989, 230.010, 230.007};
// Chopper location (mm)
const double CHOPPER_LOCATION[4] = {5700., 7800., 9497., 9507.};
 
class MANTID_ALGORITHMS_DLL EQSANSTofStructure final : public API::Algorithm {
public:
  EQSANSTofStructure();
  const std::string name() const override { return "EQSANSTofStructure"; }
  const std::string summary() const override {
    return "Corrects the TOF of raw EQSANS data. This algorithm needs to be "
           "run once on every data set.";
  }
 
  int version() const override { return (1); }
  const std::string category() const override { return "SANS"; }
 
private:
  void init() override;
  void exec() override;
  // void execEvent(Mantid::DataObjects::EventWorkspace_sptr inputWS, bool
  // frame_skipping);
  void execEvent(const Mantid::DataObjects::EventWorkspace_sptr &inputWS, double threshold, double frame_offset,
                 double tof_frame_width, double tmp_frame_width, bool frame_skipping);
 
  double getTofOffset(const DataObjects::EventWorkspace_const_sptr &inputWS, bool frame_skipping);
  double frame_tof0;
  bool flight_path_correction;
  double low_tof_cut;
  double high_tof_cut;
};
 
} // namespace Algorithms
} // namespace Mantid