ResidualPullCalculator.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/

// ResidualPullCalculator.h
//   Header file for ResidualPullCalculator tool
// (c) ATLAS Detector software
// Sebastian.Fleischmann@cern.ch
 
#ifndef TRK_RESIDUALPULLCALCULATOR_H
#define TRK_RESIDUALPULLCALCULATOR_H
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ToolHandle.h"
 
 
#include "TrkToolInterfaces/IResidualPullCalculator.h"
 
#include <optional>
 
 
class AtlasDetectorID;
 
namespace Trk {
 
  class MeasurementBase;
  class AlignmentEffectsOnTrack;

 
class ResidualPullCalculator final : virtual public Trk::IResidualPullCalculator, public AthAlgTool {
public:
 
    ResidualPullCalculator(const std::string& type, const std::string& name, const IInterface* parent);
    ~ResidualPullCalculator() {}
    virtual StatusCode initialize() override final;
    virtual StatusCode finalize() override final;
 

    virtual std::optional<Trk::ResidualPull> residualPull(
        const Trk::MeasurementBase* measurement,
        const Trk::TrackParameters* trkPar,
        const Trk::ResidualPull::ResidualType resType,
        const Trk::TrackState::MeasurementType) const override final;

    virtual std::optional<Trk::ResidualPull> residualPull(
        const Trk::MeasurementBase* measurement,
        const Trk::TrackParameters* trkPar,
        const Trk::ResidualPull::ResidualType resType,
        const Trk::TrackState::MeasurementType,
        const std::vector<const Trk::AlignmentEffectsOnTrack*>&)
        const override final;

    virtual std::array<double,5> residuals(
                        const Trk::MeasurementBase* measurement,
                        const Trk::TrackParameters* trkPar,
                        const Trk::ResidualPull::ResidualType resType,
                        const Trk::TrackState::MeasurementType) const override final;
 
 
private:
    ToolHandle<IResidualPullCalculator> m_SCTresidualTool; 
    ToolHandle<IResidualPullCalculator> m_RPCresidualTool; 
    ToolHandle<IResidualPullCalculator> m_TGCresidualTool; 
    const AtlasDetectorID*              m_idHelper;        
 
    double calcPull(
                const double residual,
                const double locMesCov,
                const double locTrkCov,
                const Trk::ResidualPull::ResidualType& resType ) const;
}; // end class
} // end namespace Trk
 
#endif //TRK_RESIDUALPULLCALCULATOR_H