AnalyticalDerivCalcTool.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRK_ANALYTICALDERIVCALCTOOL_H
#define TRK_ANALYTICALDERIVCALCTOOL_H
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ToolHandle.h"
#include "EventPrimitives/EventPrimitives.h"
#include "GeoPrimitives/GeoPrimitives.h"
 
#include "TrkAlignInterfaces/IDerivCalcTool.h"
 
#include <vector>
 
 
class AtlasDetectorID;
 
namespace Trk
{
  class AlignModule;
  class AlignTrack;
  class IAlignModuleTool;
  class MeasurementTypeID;
 
  class AnalyticalDerivCalcTool : virtual public IDerivCalcTool, public AthAlgTool
  {
 
  public:
    AnalyticalDerivCalcTool(const std::string & type, const std::string & name, const IInterface * parent);
    virtual ~AnalyticalDerivCalcTool();
 
    StatusCode initialize();
    StatusCode finalize();
 
    bool setDerivatives(AlignTrack * alignTrack);
 
    void showStatistics() {}
 
    bool setResidualCovMatrix(AlignTrack * alignTrack) const;
 
  private:
 
    ToolHandle<IAlignModuleTool>   m_alignModuleTool;
 
    const AtlasDetectorID * m_idHelper;
    MeasurementTypeID * m_measTypeIdHelper;
 
    bool getMeasErrorMatrix(const AlignTrack * alignTrack, Amg::MatrixX & V) const;
 
    bool getTrkParamCovMatrix(const AlignTrack * alignTrack, Amg::MatrixX & HCH) const;
 
    bool checkValidity(const Amg::MatrixX & R) const;
 
    std::vector<Amg::VectorX> getDerivatives(AlignTrack * alignTrack,  const AlignModule * module);
 
    void checkResidualType(const AlignTrack * alignTrack);
 
    std::vector<std::pair<const AlignModule *, std::vector<Amg::VectorX> > > m_derivatives;
 
    bool m_useLocalSetting;         
    bool m_useIntrinsicPixelErrors = false; 
    bool m_useIntrinsicSCTErrors = false;   
    bool m_useIntrinsicTRTErrors = false;   
 
    int m_residualType; 
    bool m_residualTypeSet;   
 
    bool m_storeDerivatives; 
 
  }; // end class
 
} // end namespace
 
#endif // TRK_ANALYTICALDERIVCALCTOOL_H