EstimateScatteringVolumeCentreOfMass.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2025 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 "MantidAlgorithms/DllConfig.h"
#include "MantidGeometry/IDTypes.h"
#include "MantidGeometry/Objects/IObject.h"
#include "MantidKernel/V3D.h"
 
namespace Mantid {
 
namespace API {
class Sample;
}
 
namespace Algorithms {
 
class MANTID_ALGORITHMS_DLL EstimateScatteringVolumeCentreOfMass : public API::Algorithm {
public:
  EstimateScatteringVolumeCentreOfMass();
  const std::string category() const override { return "CorrectionFunctions\\EstimateScatteringVolumeCentreOfMass"; }
  const std::string name() const override { return "EstimateScatteringVolumeCentreOfMass"; };
  const std::string summary() const override {
    return "Estimate the centre of mass of the illuminated volume of the sample";
  }
 
  int version() const override { return 1; };
 
  API::MatrixWorkspace_sptr m_inputWS; 
  double m_cubeSide;                   
  const Geometry::IObject_sptr getGaugeVolumeObject();
  const Kernel::V3D calcAveragePosition(const std::vector<Kernel::V3D> &pos);
  const Kernel::V3D rasterizeGaugeVolumeAndCalculateMeanElementPosition(const Kernel::V3D beamDirection,
                                                                        const Geometry::IObject_sptr integrationVolume,
                                                                        const Geometry::IObject_sptr sampleObject);
  const Geometry::IObject_sptr extractValidSampleObject(const API::Sample &sample);
 
private:
  void init() override;
  void exec() override;
};
 
} // namespace Algorithms
} // namespace Mantid