LoadSassena.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2010 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/IFileLoader.h"
#include "MantidAPI/WorkspaceGroup_fwd.h"
#include "MantidDataHandling/DllConfig.h"
#include "MantidDataObjects/Workspace2D.h"
#include "MantidKernel/NexusDescriptor.h"
 
#include <hdf5.h>
 
namespace Mantid {
 
namespace DataHandling {
 
/* Base class to Load a sassena dataset into a MatrixWorkspace
 * Derived implementations will load different scattering functions
 
class LoadDataSet
{
 
};
*/
 
class MANTID_DATAHANDLING_DLL LoadSassena : public API::IFileLoader<Kernel::NexusDescriptor> {
public:
  const std::string name() const override { return "LoadSassena"; }
  const std::string summary() const override { return " load a Sassena output file into a group workspace."; }
 
  int version() const override { return 1; }
  const std::string category() const override { return "DataHandling\\Sassena"; }
 
  int confidence(Kernel::NexusDescriptor &descriptor) const override;
 
protected:
  void registerWorkspace(const API::WorkspaceGroup_sptr &gws, const std::string &wsName,
                         const DataObjects::Workspace2D_sptr &ws, const std::string &description);
  herr_t dataSetInfo(const hid_t &h5file, const std::string &setName, hsize_t *dims) const;
  herr_t dataSetDouble(const hid_t &h5file, const std::string &setName, std::vector<double> &buf);
  HistogramData::Points loadQvectors(const hid_t &h5file, const API::WorkspaceGroup_sptr &gws,
                                     std::vector<int> &sorting_indexes);
  void loadFQ(const hid_t &h5file, const API::WorkspaceGroup_sptr &gws, const std::string &setName,
              const HistogramData::Points &qvmod, const std::vector<int> &sorting_indexes);
  void loadFQT(const hid_t &h5file, const API::WorkspaceGroup_sptr &gws, const std::string &setName,
               const HistogramData::Points &qvmod, const std::vector<int> &sorting_indexes);
 
private:
  void init() override; // Overwrites Algorithm method.
  void exec() override; // Overwrites Algorithm method
  void loadSet(const std::string &version, const std::string &setName);
 
  std::vector<std::string> m_validSets;
  std::string m_filename;
 
}; // class LoadSassena
 
} // namespace DataHandling
} // namespace Mantid