/data/doxygen/doxygen-1.7.3/gen/CMSSW_4_2_8/src/DataFormats/JetReco/interface/Jet.h

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#ifndef JetReco_Jet_h
#define JetReco_Jet_h

#include <string>
#include "DataFormats/Candidate/interface/CompositePtrCandidate.h"

namespace reco {
  class Jet : public CompositePtrCandidate {
  public:
    typedef edm::Ptr<Candidate> Constituent;
    typedef std::vector<Constituent>  Constituents;

    class EtaPhiMoments {
    public:
      float etaMean;
      float phiMean;
      float etaEtaMoment;
      float phiPhiMoment;
      float etaPhiMoment;
    };

    Jet () : mJetArea (0), mPileupEnergy (0), mPassNumber (0) {}
    Jet (const LorentzVector& fP4, const Point& fVertex);
    Jet (const LorentzVector& fP4, const Point& fVertex, const Constituents& fConstituents);
    virtual ~Jet () {}

    EtaPhiMoments etaPhiStatistics () const;

    float etaetaMoment () const;

    float phiphiMoment () const;

    float etaphiMoment () const;

    float etInAnnulus (float fRmin, float fRmax) const;

    int nCarrying (float fFraction) const;
 
    float maxDistance () const;
 
    virtual int nConstituents () const {return numberOfDaughters();}

    static float physicsEta (float fZVertex, float fDetectorEta);

    static float detectorEta (float fZVertex, float fPhysicsEta);

    static Candidate::LorentzVector physicsP4 (const Candidate::Point &newVertex, const Candidate &inParticle,const Candidate::Point &oldVertex=Candidate::Point(0,0,0));

    static Candidate::LorentzVector detectorP4 (const Candidate::Point &vertex, const Candidate &inParticle);

    virtual Constituents getJetConstituents () const;

    virtual std::vector<const reco::Candidate*> getJetConstituentsQuick () const;

    virtual std::string print () const;

    virtual void scaleEnergy (double fScale);
    
    virtual void setJetArea (float fArea) {mJetArea = fArea;}
    virtual float jetArea () const {return mJetArea;}

    virtual void setPileup (float fEnergy) {mPileupEnergy = fEnergy;}
    virtual float pileup () const {return mPileupEnergy;}
    
    virtual void setNPasses (int fPasses) {mPassNumber = fPasses;}
    virtual int nPasses () const {return mPassNumber;}

    bool isJet() const;
    
  private:
    float mJetArea;
    float mPileupEnergy;
    int mPassNumber;
  };
}
#endif