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SofQWPolygon.h
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SofQWPolygon.h
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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2011 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 "MantidAlgorithms/Rebin2D.h"
#include "MantidAlgorithms/SofQCommon.h"
#include <list>
namespace Mantid {
namespace Algorithms {
/**
Converts a 2D workspace that has axes of energy transfer against spectrum number
to
one that gives intensity as a function of momentum transfer against energy. This
version
uses proper parallelpiped rebinning to compute the overlap of the various
overlapping
weights
Required Properties:
<UL>
<LI> InputWorkspace - Reduced data in units of energy transfer. Must have
common bins. </LI>
<LI> OutputWorkspace - The name to use for the q-w workspace. </LI>
<LI> QAxisBinning - The bin parameters to use for the q axis. </LI>
<LI> Emode - The energy mode (direct or indirect geometry). </LI>
<LI> Efixed - Value of fixed energy: EI (emode=1) or EF (emode=2)
(meV). </LI>
</UL>
@author Martyn Giggg
@date 2011-07-15
*/
class MANTID_ALGORITHMS_DLL SofQWPolygon : public Rebin2D {
public:
/// Default constructor
SofQWPolygon();
/// Algorithm's name for identification
const std::string name() const override { return "SofQWPolygon"; }
const std::string alias() const override { return "SofQW2"; }
/// Summary of algorithms purpose
const std::string summary() const override {
return "Calculate the intensity as a function of momentum transfer and "
"energy.";
}
/// Algorithm's version for identification
int version() const override { return 1; }
const std::vector<std::string> seeAlso() const override { return {"SofQW", "SofQWNormalisedPolygon", "Rebin2D"}; }
/// Algorithm's category for identification
const std::string category() const override { return "Inelastic\\SofQW"; }
private:
/// Initialize the algorithm
void init() override;
/// Run the algorithm
void exec() override;
/// Init variables cache base on the given workspace
void initCachedValues(const API::MatrixWorkspace_const_sptr &workspace);
/// Init the theta index
void initThetaCache(const API::MatrixWorkspace &workspace);
SofQCommon m_EmodeProperties;
/// Output Q axis
std::vector<double> m_Qout;
/// Input theta points
std::vector<double> m_thetaPts;
/// Theta width
double m_thetaWidth;
};
} // namespace Algorithms
} // namespace Mantid