NeutralParticle_v1.h

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// Dear emacs, this is -*- c++ -*-
 
/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef XAODTRACKING_VERSIONS_NEUTRALPARTICLE_V1_H
#define XAODTRACKING_VERSIONS_NEUTRALPARTICLE_V1_H
 
#include "CxxUtils/CachedValue.h"
 
// Athena includes
#include "AthLinks/ElementLink.h"
#include "AthContainers/DataVector.h"
 
// xAOD include(s):
#include "xAODBase/IParticle.h"
#include "xAODTracking/TrackingPrimitives.h"
#include "xAODTracking/VertexContainerFwd.h"
 
#include <bitset>
#include <stdint.h>
 
#ifndef XAOD_ANALYSIS
#include "TrkNeutralParameters/NeutralParameters.h"
#endif // not XAOD_ANALYSIS
 
// ROOT include(s):
#include "Math/Vector4D.h"
 
//Already include the DataVector specialization for this type
#include "xAODTracking/NeutralParticleContainerFwd.h"
 
namespace xAOD {
 
  class NeutralParticle_v1 : public IParticle {
 
    public:

      NeutralParticle_v1();
      ~NeutralParticle_v1();
      NeutralParticle_v1(const NeutralParticle_v1& o );
      NeutralParticle_v1& operator=(const NeutralParticle_v1& tp );

      virtual double           pt() const;
      virtual double           eta() const;
      virtual double           phi() const;
      virtual double           m() const;
      virtual double           e() const;
      virtual double           rapidity() const;

      typedef IParticle::FourMom_t FourMom_t;

      virtual FourMom_t p4() const;

      typedef ROOT::Math::LorentzVector<ROOT::Math::PxPyPzM4D<double> > GenVecFourMom_t;

      GenVecFourMom_t genvecP4() const;

      virtual Type::ObjectType type() const;


      float d0() const;
      float z0() const;
      float phi0() const;
      float theta() const;
      float oneOverP() const;
      const DefiningParameters_t definingParameters() const;
      const ParametersCovMatrix_t definingParametersCovMatrix() const;
      const std::vector<float>& definingParametersCovMatrixVec() const;

      void setDefiningParameters(float d0, float z0, float phi0, float theta, float qOverP);
      void setDefiningParametersCovMatrix(const ParametersCovMatrix_t& cov);
      void setDefiningParametersCovMatrixVec(const std::vector<float>& cov);

      float vx() const;
      float vy() const;
      float vz() const;
      void setParametersOrigin(float x, float y, float z);
 
#ifndef XAOD_ANALYSIS
      const Trk::NeutralPerigee& perigeeParameters() const;
#endif // not XAOD_ANALYSIS

      void resetCache();
 
  private:
#if ( ! defined(XAOD_ANALYSIS) ) && ( ! defined(__CLING__) )
      CxxUtils::CachedValue<Trk::NeutralPerigee> m_perigeeParameters;
#endif // not XAOD_ANALYSIS and not __CLING__
 
    }; // class NeutralParticle_v1
 
} // namespace xAOD
 
// Finish declaration of IParticle as a base class of NeutralParticle_v1
DATAVECTOR_BASE_FIN( xAOD::NeutralParticle_v1, xAOD::IParticle );
 
 
#endif // XAODTRACKING_VERSIONS_NEUTRALPARTICLE_V1_H