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PoldiAnalyseResiduals.h
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PoldiAnalyseResiduals.h
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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2014 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 "MantidSINQ/DllConfig.h"
#include "MantidDataObjects/Workspace2D.h"
#include "MantidSINQ/PoldiUtilities/PoldiInstrumentAdapter.h"
namespace Mantid {
namespace Poldi {
/** PoldiAnalyseResiduals
An algorithm that performs residual analysis for
POLDI data. It uses a modified version of the correlation
method implemented in PoldiAutoCorrelation.
@author Michael Wedel, Paul Scherrer Institut - SINQ
@date 21/11/2014
*/
class MANTID_SINQ_DLL PoldiAnalyseResiduals : public API::Algorithm {
public:
const std::string name() const override;
int version() const override;
const std::string category() const override;
const std::string summary() const override;
protected:
double sumCounts(const DataObjects::Workspace2D_sptr &workspace, const std::vector<int> &workspaceIndices) const;
size_t numberOfPoints(const DataObjects::Workspace2D_sptr &workspace, const std::vector<int> &workspaceIndices) const;
void addValue(DataObjects::Workspace2D_sptr &workspace, double value, const std::vector<int> &workspaceIndices) const;
DataObjects::Workspace2D_sptr calculateResidualWorkspace(const DataObjects::Workspace2D_sptr &measured,
const DataObjects::Workspace2D_sptr &calculated);
void normalizeResiduals(DataObjects::Workspace2D_sptr &residuals, const std::vector<int> &validWorkspaceIndices);
double relativeCountChange(const DataObjects::Workspace2D_sptr &sum, double totalMeasuredCounts);
DataObjects::Workspace2D_sptr addWorkspaces(const DataObjects::Workspace2D_sptr &lhs,
const DataObjects::Workspace2D_sptr &rhs);
void logIteration(int iteration, double relativeChange);
bool nextIterationAllowed(int iterations, double relativeChange);
bool relativeChangeIsLargerThanLimit(double relativeChange);
bool iterationLimitReached(int iterations);
private:
void init() override;
void exec() override;
};
} // namespace Poldi
} // namespace Mantid