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TOFSANSResolutionByPixel.h
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TOFSANSResolutionByPixel.h
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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 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/Algorithm.h"
#include "MantidAPI/MatrixWorkspace_fwd.h"
#include "MantidAlgorithms/DllConfig.h"
namespace Mantid {
namespace Algorithms {
/**
Calculates the TOF-SANS Q-resolution for each wavelenght and pixel using
formula
by Mildner and Carpenter.
File change history is stored at: <https://github.com/mantidproject/mantid>
Code Documentation is available at: <http://doxygen.mantidproject.org>
*/
class MANTID_ALGORITHMS_DLL TOFSANSResolutionByPixel final : public API::Algorithm {
public:
/// Default constructor
TOFSANSResolutionByPixel();
/// Algorithm's name
const std::string name() const override { return "TOFSANSResolutionByPixel"; }
/// Summary of algorithms purpose
const std::string summary() const override { return "Calculate the Q resolution for TOF SANS data for each pixel."; }
/// Algorithm's version
int version() const override { return (1); }
const std::vector<std::string> seeAlso() const override { return {"TOFSANSResolution"}; }
/// Algorithm's category for identification
const std::string category() const override { return "SANS"; }
private:
/// Initialisation code
void init() override;
/// Execution code
void exec() override;
/// Return the TOF resolution for a particular wavelength
virtual double getTOFResolution(double wl);
/// Get the collimation length when we evaluate it using 5 Guards
double getCollimationLengthWithGuard(Mantid::API::MatrixWorkspace_sptr inWS, const double L1,
const double collimationLengthCorrection) const;
/// Return the default collimation length
double provideDefaultLCollimationLength(Mantid::API::MatrixWorkspace_sptr inWS) const;
/// Check input
void checkInput(const Mantid::API::MatrixWorkspace_sptr &inWS);
/// Get the moderator workspace
Mantid::API::MatrixWorkspace_sptr getModeratorWorkspace(const Mantid::API::MatrixWorkspace_sptr &inputWorkspace);
/// Create an output workspace
Mantid::API::MatrixWorkspace_sptr setupOutputWorkspace(const Mantid::API::MatrixWorkspace_sptr &inputWorkspace);
/// Wavelength resolution (constant for all wavelengths)
double m_wl_resolution;
};
} // namespace Algorithms
} // namespace Mantid