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LoadSQW2.h
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LoadSQW2.h
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#ifndef MANTID_MDALGORITHMS_LOADSQW2_H_
#define MANTID_MDALGORITHMS_LOADSQW2_H_
#include "MantidAPI/IFileLoader.h"
#include "MantidDataObjects/MDEvent.h"
#include "MantidDataObjects/MDEventWorkspace.h"
#include "MantidKernel/BinaryStreamReader.h"
#include <fstream>
namespace Mantid {
// Forward declarations
namespace API {
class ExperimentInfo;
}
namespace Geometry {
class OrientedLattice;
}
namespace MDAlgorithms {
/**
*
* Copyright © 2015 ISIS Rutherford Appleton Laboratory, NScD Oak Ridge
* National Laboratory & European Spallation Source
*
* This file is part of Mantid.
* Mantid is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
* Mantid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* File change history is stored at: <https://github.com/mantidproject/mantid>
* Code Documentation is available at: <http://doxygen.mantidproject.org>
*/
class DLLExport LoadSQW2 : public API::IFileLoader<Kernel::FileDescriptor> {
public:
const std::string name() const override;
int version() const override;
const std::string category() const override;
const std::string summary() const override;
int confidence(Kernel::FileDescriptor &descriptor) const override;
private:
/// Local typedef for
typedef DataObjects::MDEventWorkspace<DataObjects::MDEvent<4>, 4>
SQWWorkspace;
void init() override;
void exec() override;
void cacheInputs();
void initFileReader();
int32_t readMainHeader();
void throwIfUnsupportedFileType(int32_t sqwType);
void createOutputWorkspace();
void readAllSPEHeadersToWorkspace();
boost::shared_ptr<API::ExperimentInfo> readSingleSPEHeader();
void cacheFrameTransforms(const Geometry::OrientedLattice &lattice);
void skipDetectorSection();
void readDataSection();
void skipDataSectionMetadata();
void readSQWDimensions();
std::vector<int32_t> readProjection();
std::vector<float> calculateDimLimitsFromData();
Geometry::IMDDimension_sptr createQDimension(size_t index, float dimMin,
float dimMax, size_t nbins,
const Kernel::DblMatrix &bmat);
Geometry::IMDDimension_sptr createEnDimension(float umin, float umax,
size_t nbins);
void setupBoxController();
void setupFileBackend(std::string filebackPath);
void readPixelDataIntoWorkspace();
void splitAllBoxes();
void warnIfMemoryInsufficient(int64_t npixtot);
size_t addEventFromBuffer(const float *pixel);
void toOutputFrame(coord_t *centers);
void finalize();
std::unique_ptr<std::ifstream> m_file;
std::unique_ptr<Kernel::BinaryStreamReader> m_reader;
boost::shared_ptr<SQWWorkspace> m_outputWS;
uint16_t m_nspe = 0;
Kernel::DblMatrix m_uToRLU;
std::string m_outputFrame;
};
} // namespace MDAlgorithms
} // namespace Mantid
#endif /* MANTID_MDALGORITHMS_LOADSQW2_H_ */