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#ifndef TRootParticle_h
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#define TRootParticle_h
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#include <string>
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#include <iostream>
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#include "Rtypes.h"
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#include "TLorentzVector.h"
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#include "TVector3.h"
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#include "TRef.h"
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using namespace std;
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class TRootParticle : public TLorentzVector
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{
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public:
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TRootParticle() : TLorentzVector(), vertex_(), type_(0), charge_(0.) {;}
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TRootParticle(const TRootParticle& particle) : TLorentzVector(particle), vertex_(particle.vertex_), type_(particle.type_), charge_(particle.charge_) {;}
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TRootParticle(Double_t px, Double_t py, Double_t pz, Double_t e) : TLorentzVector(px,py,pz,e), vertex_(), type_(0), charge_(0.) {;}
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TRootParticle(Double_t px, Double_t py, Double_t pz, Double_t e, Double_t vtx_x, Double_t vtx_y, Double_t vtx_z) : TLorentzVector(px,py,pz,e), vertex_(vtx_x,vtx_y,vtx_z), type_(0), charge_(0.) {;}
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TRootParticle(Double_t px, Double_t py, Double_t pz, Double_t e, Double_t vtx_x, Double_t vtx_y, Double_t vtx_z, Int_t type, Float_t charge) : TLorentzVector(px,py,pz,e), vertex_(vtx_x,vtx_y,vtx_z), type_(type), charge_(charge) {;}
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TRootParticle(const TLorentzVector &momentum) : TLorentzVector(momentum), vertex_(), type_(0), charge_(0.) {;}
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TRootParticle(const TLorentzVector &momentum, const TVector3 &vertex, Int_t type, Float_t charge) : TLorentzVector(momentum), vertex_(vertex), type_(type), charge_(charge) {;}
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~TRootParticle() {;}
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Double_t vx() const { return vertex_.x(); }
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Double_t vy() const { return vertex_.y(); }
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Double_t vz() const { return vertex_.z(); }
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Int_t type() const { return type_; }
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Float_t charge() const { return charge_; }
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// FIXME setVx, setVy and setVz must modify the TLorentzVector ?
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void setVx(Double_t vx) { vertex_.SetX(vx); }
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void setVy(Double_t vy) { vertex_.SetY(vy); }
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void setVz(Double_t vz) { vertex_.SetZ(vz); }
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void setType(Int_t type) { type_ = type; }
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void setCharge(Int_t charge) { charge_ = charge; }
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friend std::ostream& operator<< (std::ostream& stream, const TRootParticle& part) {
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stream << "Type=" << part.type_ << " Charge=" << part.charge_ << " (Et,eta,phi)=("<< part.Et() <<","<< part.Eta() <<","<< part.Phi() << ")"
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<< " vertex(x,y,z)=("<< part.vx() <<","<< part.vy() <<","<< part.vz() << ")";
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return stream;
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};
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protected:
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TVector3 vertex_;
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Int_t type_;
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Float_t charge_;
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ClassDef (TRootParticle,1);
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};
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#endif
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