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LoadILLTOF2.h
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LoadILLTOF2.h
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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2019 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 "MantidDataHandling/DllConfig.h"
#include "MantidGeometry/IDTypes.h"
#include "MantidKernel/NexusDescriptor.h"
#include "MantidNexus/NexusClasses.h"
namespace Mantid {
namespace DataHandling {
/**
Loads an ILL IN4/5/6/Panther NeXus file into a Mantid workspace.
*/
class MANTID_DATAHANDLING_DLL LoadILLTOF2 : public API::IFileLoader<Kernel::NexusDescriptor> {
public:
/// Constructor
LoadILLTOF2();
/// Algorithm's name
const std::string name() const override { return "LoadILLTOF"; }
/// Summary of algorithms purpose
const std::string summary() const override { return "Loads an ILL TOF NeXus file."; }
/// Algorithm's version
int version() const override { return 2; }
const std::vector<std::string> seeAlso() const override { return {"LoadNexus"}; }
/// Algorithm's category for identification
const std::string category() const override { return "DataHandling\\Nexus;ILL\\Direct"; }
/// Returns a confidence value that this algorithm can load a file
int confidence(Kernel::NexusDescriptor &descriptor) const override;
private:
// Initialisation code
void init() override;
// Execution code
void exec() override;
void addAllNexusFieldsAsProperties(const std::string &filename);
void addEnergyToRun();
void addFacility();
void addPulseInterval();
void fillStaticWorkspace(NeXus::NXEntry &entry, const std::vector<std::string> &monitorList, bool convertToTOF);
void fillScanWorkspace(NeXus::NXEntry &entry, const std::vector<std::string> &monitorList);
std::vector<std::string> getMonitorInfo(const NeXus::NXEntry &firstEntry);
void initWorkspace(NeXus::NXEntry &entry);
void loadInstrumentDetails(const NeXus::NXEntry &);
void loadTimeDetails(const NeXus::NXEntry &entry);
std::vector<double> prepareAxis(NeXus::NXEntry &entry, bool convertToTOF);
API::MatrixWorkspace_sptr m_localWorkspace;
std::string m_instrumentName; ///< Name of the instrument
std::string m_instrumentPath; ///< Name of the instrument path
// Variables describing the data in the detector
size_t m_numberOfTubes; // number of tubes - X
size_t m_numberOfPixelsPerTube; // number of pixels per tube - Y
size_t m_numberOfChannels; // time channels - Z
size_t m_numberOfHistograms; // number of histograms (individual detectors)
size_t m_numberOfMonitors; // number of monitors
// Values parsed from the nexus file
double m_wavelength;
double m_channelWidth;
double m_timeOfFlightDelay;
std::string m_monitorName;
bool m_isScan; // whether the loaded data is a scan measurement
};
} // namespace DataHandling
} // namespace Mantid