#ifndef AliAODTrack_H #define AliAODTrack_H /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ /* $Id$ */ //------------------------------------------------------------------------- // AOD track base class // Author: Markus Oldenburg, CERN //------------------------------------------------------------------------- #include #include "AliVirtualParticle.h" #include "AliAODVertex.h" class AliAODTrack : public AliVirtualParticle { public: enum AODTrk_t {kUndef=-1, kPrimary, kSecondary, kOrphan}; enum AODTrkBits_t { kIsDCA=BIT(14) // set if fPosition is the DCA and not the position of the first point }; enum AODTrkPID_t { kUnknown=0, kElectron, kMuon, kPion, kProton, kDeuton, kTriton, kAlpha, kOther}; AliAODTrack(); AliAODTrack(Int_t id, Int_t label, Double_t p[3], Bool_t cartesian, Double_t x[3], Bool_t dca, Double_t covMatrix[21], Short_t q, UChar_t itsClusMap, Double_t pid[10], AliAODVertex *prodVertex, AODTrk_t ttype=kUndef); AliAODTrack(Int_t id, Int_t label, Float_t p[3], Bool_t cartesian, Float_t x[3], Bool_t dca, Float_t covMatrix[21], Short_t q, UChar_t itsClusMap, Float_t pid[10], AliAODVertex *prodVertex, AODTrk_t ttype=kUndef); virtual ~AliAODTrack(); AliAODTrack(const AliAODTrack& trk); AliAODTrack& operator=(const AliAODTrack& trk); // kinematics virtual Double_t OneOverPt() const { return fMomentum[0]; } virtual Double_t Phi() const { return fMomentum[1]; } virtual Double_t Theta() const { return fMomentum[2]; } virtual Double_t Px() const { return TMath::Cos(fMomentum[1])/fMomentum[0]; } virtual Double_t Py() const { return TMath::Sin(fMomentum[1])/fMomentum[0]; } virtual Double_t Pz() const { return 1./(fMomentum[0] * TMath::Tan(fMomentum[2])); } virtual Double_t Pt() const { return 1./fMomentum[0]; } virtual Double_t P() const { return TMath::Sqrt(Pt()*Pt()+Pz()*Pz()); } Double_t Chi2() const { return fChi2; } virtual Double_t E() const { return -999.; } // make a connection to the PID object, here!!! virtual Double_t M() const { return -999.; } virtual Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * fMomentum[2])); } // make a connection to the PID object, here!!! virtual Double_t Y() const { return -999.; } virtual Short_t Charge() const {return fCharge; } // PID virtual const Double_t *PID() const { return fPID; } template void GetPID(T *pid) const { for(Int_t i=0; i<10; ++i) pid[i]=fPID[i];} template void SetPID(const T *pid) { if(pid) for(Int_t i=0; i<10; ++i) fPID[i]=pid[i]; else {for(Int_t i=1; i<10; fPID[i++]=0); fPID[0]=1.;}} Int_t GetID() const { return fID; } Int_t GetLabel() const { return fLabel; } Char_t GetType() const { return fType;} template void GetP(T *p) const { p[0]=fMomentum[0]; p[1]=fMomentum[1]; p[2]=fMomentum[2];} template void GetPxPyPz(T *p) const { p[0] = Px(); p[1] = Py(); p[2] = Pz();} template Bool_t GetPosition(T *x) const { x[0]=fPosition[0]; x[1]=fPosition[1]; x[2]=fPosition[2]; return TestBit(kIsDCA);} template void SetCovMatrix(const T *covMatrix) { if(!fCovMatrix) fCovMatrix=new AliAODTrkCov(); fCovMatrix->SetCovMatrix(covMatrix);} template Bool_t GetCovMatrix(T *covMatrix) const { if(!fCovMatrix) return kFALSE; fCovMatrix->GetCovMatrix(covMatrix); return kTRUE;} void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;} UChar_t GetITSClusterMap() const { return fITSClusterMap; } AliAODVertex *GetProdVertex() const { return (AliAODVertex*)fProdVertex.GetObject(); } // print void Print(const Option_t *opt = "") const; // setters void SetID(const Int_t id) { fID = id; } void SetLabel(const Int_t label) {fLabel = label; } template void SetPosition(const T *x, const Bool_t isDCA = kFALSE); void SetDCA(Double_t d, Double_t z); void SetOneOverPt(const Double_t oneOverPt) { fMomentum[0] = oneOverPt; } void SetPt(const Double_t pt) { fMomentum[0] = 1./pt; }; void SetPhi(const Double_t phi) { fMomentum[1] = phi; } void SetTheta(const Double_t theta) { fMomentum[2] = theta; } template void SetP(const T *p, const Bool_t cartesian = kTRUE); void SetP() {fMomentum[0]=fMomentum[1]=fMomentum[2]=-999.;} void SetCharge(const Short_t q) { fCharge = q; } void SetChi2(const Double_t chi2) { fChi2 = chi2; } void SetITSClusterMap(const UChar_t itsClusMap) { fITSClusterMap = itsClusMap; } void SetProdVertex(TObject *vertex) { fProdVertex = vertex; } // name and title void SetType(AODTrk_t ttype) { fType=ttype; } class AliAODTrkCov { // // Class containing the covariance matrix for the track // // X Y Z Px Py Pz // // X fDiag[ 0] // // Y fOdia[ 0] fDiag[ 1] // // Z fOdia[ 1] fOdia[ 2] fDiag[ 2] // // Px fOdia[ 3] fOdia[ 4] fOdia[ 5] fDiag[ 3] // // Py fOdia[ 6] fOdia[ 7] fOdia[ 8] fOdia[ 9] fDiag[ 4] // // Pz fOdia[10] fOdia[11] fOdia[12] fOdia[13] fOdia[14] fDiag[ 5] // public: AliAODTrkCov() {} virtual ~AliAODTrkCov() {} template void GetCovMatrix(T *cmat) const; template void SetCovMatrix(T *cmat); private: Double32_t fDiag[6]; // Diagonal elements Double32_t fODia[15]; // [-1, 1,8] 8 bit precision for off diagonal elements ClassDef(AliAODTrack::AliAODTrkCov,1) }; private : // Momentum & position Double32_t fMomentum[3]; // momemtum stored in 1/pt, phi, theta Double32_t fPosition[3]; // position of first point on track or dca Double32_t fPID[10]; // [0.,1.,8] pointer to PID object Double32_t fChi2; // chi2 of mometum fit Int_t fID; // unique track ID, points back to the ESD track Int_t fLabel; // track label, points back to MC track AliAODTrkCov *fCovMatrix; // covariance matrix (x, y, z, px, py, pz) TRef fProdVertex; // vertex of origin Char_t fCharge; // particle charge UChar_t fITSClusterMap; // map of ITS cluster, one bit per layer Char_t fType; // Track Type ClassDef(AliAODTrack,1); }; #endif