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CalMuonDetectorPhases.h
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CalMuonDetectorPhases.h
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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2015 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/Algorithm.h"
#include "MantidAPI/ITableWorkspace_fwd.h"
#include "MantidAPI/WorkspaceGroup_fwd.h"
#include "MantidGeometry/IDTypes.h"
#include "MantidMuon/DllConfig.h"
namespace Mantid {
namespace Indexing {
class SpectrumNumber;
}
namespace Algorithms {
/** CalMuonDetectorPhases : Calculates asymmetry and phase for each spectra in a
workspace
*/
class MANTID_MUON_DLL CalMuonDetectorPhases : public API::Algorithm {
public:
/// Algorithm's name for identification overriding a virtual method
const std::string name() const override { return "CalMuonDetectorPhases"; }
/// Summary of algorithms purpose
const std::string summary() const override {
return "Calculates the asymmetry and phase for each detector in a "
"workspace.";
}
/// Algorithm's version for identification overriding a virtual method
int version() const override { return 1; }
/// Algorithm's category for identification overriding a virtual method
const std::string category() const override { return "Muon"; }
/// See also
const std::vector<std::string> seeAlso() const override {
return {"PhaseQuad"};
};
protected:
/// Validate the inputs
std::map<std::string, std::string> validateInputs() override;
private:
/// Initialise the algorithm
void init() override;
/// Execute the algorithm
void exec() override;
/// Prepare workspace for fit by extracting data
API::MatrixWorkspace_sptr extractDataFromWorkspace(double startTime,
double endTime);
/// Remove exponential data from workspace
API::MatrixWorkspace_sptr
removeExpDecay(const API::MatrixWorkspace_sptr &wsInput);
/// Fit the workspace
void fitWorkspace(const API::MatrixWorkspace_sptr &ws, double freq,
const std::string &groupName,
const API::ITableWorkspace_sptr &resTab,
API::WorkspaceGroup_sptr &resGroup);
/// Create the fitting function as string
std::string createFittingFunction(double freq, bool fixFreq);
/// Extract asymmetry and phase from fitting results
void extractDetectorInfo(API::ITableWorkspace ¶mTab,
API::ITableWorkspace &resultsTab,
const Indexing::SpectrumNumber spectrumNumber);
/// Find frequency to use in sequential fit
double getFrequency(const API::MatrixWorkspace_sptr &ws);
/// Get frequency hint to use when finding frequency
double getFrequencyHint() const;
/// Get start time for fit
double getStartTime() const;
/// Get end time for fit
double getEndTime() const;
/// Calculate detector efficiency (alpha)
double getAlpha(const API::MatrixWorkspace_sptr &ws,
const std::vector<int> &forward,
const std::vector<int> &backward);
/// Calculate asymmetry
API::MatrixWorkspace_sptr getAsymmetry(const API::MatrixWorkspace_sptr &ws,
const std::vector<int> &forward,
const std::vector<int> &backward,
const double alpha);
/// Fit asymmetry to get frequency
double fitFrequencyFromAsymmetry(const API::MatrixWorkspace_sptr &wsAsym);
/// Find the grouping from the instrument
void getGroupingFromInstrument(const API::MatrixWorkspace_sptr &ws,
std::vector<int> &forward,
std::vector<int> &backward);
/// Report progress in GUI
void reportProgress(const int thisSpectrum, const int totalSpectra);
/// Pointer to input workspace
API::MatrixWorkspace_sptr m_inputWS;
};
} // namespace Algorithms
} // namespace Mantid