1 #ifndef AliAODNeutral_H
2 #define AliAODNeutral_H
3 /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //-------------------------------------------------------------------------
9 // AOD track base class
10 // Author: Markus Oldenburg, CERN
11 //-------------------------------------------------------------------------
15 #include "AliVirtualParticle.h"
16 #include "AliAODVertex.h"
17 #include "AliAODTrack.h"
19 class AliAODNeutral : public AliVirtualParticle {
23 enum AODTrk_t {kUndef=-1, kPrimary, kSecondary, kOrphan};
26 kIsDCA=BIT(14) // set if fPosition is the DCA and not the position of the first point
30 kUnknown=0, kPhoton, kPi0, kNeutron, kKaon0, kEleCon, kOther};
33 AliAODNeutral(Int_t id,
38 Double_t covMatrix[21],
40 AliAODVertex *prodVertex,
41 AliAODTrack *primTrack,
44 AliAODNeutral(Int_t id,
49 Float_t covMatrix[21],
51 AliAODVertex *prodVertex,
52 AliAODTrack *primTrack,
55 virtual ~AliAODNeutral();
56 AliAODNeutral(const AliAODNeutral& trk);
57 AliAODNeutral& operator=(const AliAODNeutral& trk);
59 Double_t Chi2() const { return fChi2; }
61 virtual Double_t E() const { return fEnergy; }
62 // make a connection to the PID object, here!!!
63 virtual Double_t M() const { return -999.; }
65 // make a connection to the PID object, here!!!
66 virtual Double_t Y() const { return -999.; }
69 virtual const Double_t *PID() const { return fPID; }
71 template <class T> void GetPID(T *pid) const {
72 for(Int_t i=0; i<10; ++i) pid[i]=fPID[i];}
74 template <class T> void SetPID(const T *pid) {
75 if(pid) for(Int_t i=0; i<10; ++i) fPID[i]=pid[i];
76 else {for(Int_t i=1; i<10; fPID[i++]=0); fPID[0]=1.;}}
78 Int_t GetID() const { return fID; }
79 Int_t GetLabel() const { return fLabel; }
81 template <class T> Bool_t GetPosition(T *x) const {
82 x[0]=fPosition[0]; x[1]=fPosition[1]; x[2]=fPosition[2];
83 return TestBit(kIsDCA);}
85 template <class T> void SetCovMatrix(const T *covMatrix) {
86 if(!fCovMatrix) fCovMatrix=new AliAODNeuCov();
87 fCovMatrix->SetCovMatrix(covMatrix);}
89 template <class T> Bool_t GetCovMatrix(T *covMatrix) const {
90 if(!fCovMatrix) return kFALSE;
91 fCovMatrix->GetCovMatrix(covMatrix); return kTRUE;}
93 void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;}
95 AliAODVertex *GetProdVertex() const { return (AliAODVertex*)fProdVertex.GetObject(); }
96 AliAODTrack *GetPrimTrack() const { return (AliAODTrack*)fPrimTrack.GetObject(); }
99 void Print(const Option_t *opt = "") const;
102 void SetID(const Int_t id) { fID = id; }
103 void SetLabel(const Int_t label) {fLabel = label; }
105 template <class T> void SetPosition(const T *x, const Bool_t isDCA = kFALSE);
106 void SetDCA(Double_t d, Double_t z);
108 void SetChi2(const Double_t chi2) { fChi2 = chi2; }
110 void SetProdVertex(TObject *vertex) { fProdVertex = vertex; }
111 void SetPrimTrack(TObject *ptrack) { fPrimTrack = ptrack; }
113 virtual Double_t Px() const {return 0.;}
114 virtual Double_t Py() const {return 0.;}
115 virtual Double_t Pz() const {return 0.;}
116 virtual Double_t Pt() const {return 0.;}
117 virtual Double_t P() const {return 0.;}
118 virtual Double_t OneOverPt() const {return 0.;}
119 virtual Double_t Phi() const {return 0.;}
120 virtual Double_t Theta() const {return 0.;}
121 virtual Double_t Eta() const {return 0.;}
122 virtual Short_t Charge() const {return 0.;}
127 // Class containing the covariance matrix for the cluster
133 // Y fOdia[ 0] fDiag[ 1]
135 // Z fOdia[ 1] fOdia[ 2] fDiag[ 2]
137 // E fOdia[ 3] fOdia[ 4] fOdia[ 5] fDiag[ 3]
142 virtual ~AliAODNeuCov() {}
143 template <class T> void GetCovMatrix(T *cmat) const;
144 template <class T> void SetCovMatrix(T *cmat);
147 Double32_t fDiag[4]; // Diagonal elements
148 Double32_t fODia[6]; // [-1, 1,8] 8 bit precision for off diagonal elements
150 ClassDef(AliAODNeutral::AliAODNeuCov,1)
157 Double32_t fEnergy; // energy
158 Double32_t fPosition[3]; // position of first point on track or dca
160 Double32_t fPID[10]; // [0.,1.,8] pointer to PID object
161 Double32_t fChi2; // chi2 of mometum fit
163 Int_t fID; // unique track ID, points back to the ESD track
164 Int_t fLabel; // particle label, points back to MC track
166 AliAODNeuCov *fCovMatrix; // covariance matrix (x, y, z, E)
167 TRef fProdVertex; // vertex of origin
168 TRef fPrimTrack; // primary track number associated with this cluster
173 ClassDef(AliAODNeutral,1);