slewing correction data for data dir
[u/mrichter/AliRoot.git] / STEER / AliAODTrack.h
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df9db588 1#ifndef AliAODTrack_H
2#define AliAODTrack_H
3/* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
8//-------------------------------------------------------------------------
9// AOD track base class
10// Author: Markus Oldenburg, CERN
11//-------------------------------------------------------------------------
12
13#include <TRef.h>
14
15#include "AliVirtualParticle.h"
16#include "AliAODVertex.h"
5d62ce04 17#include "AliAODRedCov.h"
df9db588 18
19class AliAODTrack : public AliVirtualParticle {
20
21 public:
22
23 enum AODTrk_t {kUndef=-1, kPrimary, kSecondary, kOrphan};
24
25 enum AODTrkBits_t {
dc825b15 26 kIsDCA=BIT(14), // set if fPosition is the DCA and not the position of the first point
27 kUsedForPrimVtxFit=BIT(15) // set if this track was used to fit the primary vertex
df9db588 28 };
29
16b65f2a 30 enum AODTrkPID_t { // not clear why this was introduced
31 kUnknown=0, kElectron, kMuon, kPion, kProton, kDeuteron, kTriton, kAlpha, kOther}; // Where is the Kaon, why the Triton?
df9db588 32
33 AliAODTrack();
34 AliAODTrack(Int_t id,
35 Int_t label,
36 Double_t p[3],
37 Bool_t cartesian,
38 Double_t x[3],
39 Bool_t dca,
40 Double_t covMatrix[21],
41 Short_t q,
42 UChar_t itsClusMap,
43 Double_t pid[10],
44 AliAODVertex *prodVertex,
dc825b15 45 Bool_t usedForPrimVtxFit,
df9db588 46 AODTrk_t ttype=kUndef);
47
dc825b15 48 AliAODTrack(Int_t id,
df9db588 49 Int_t label,
50 Float_t p[3],
51 Bool_t cartesian,
52 Float_t x[3],
53 Bool_t dca,
54 Float_t covMatrix[21],
55 Short_t q,
56 UChar_t itsClusMap,
57 Float_t pid[10],
58 AliAODVertex *prodVertex,
dc825b15 59 Bool_t usedForPrimVtxFit,
df9db588 60 AODTrk_t ttype=kUndef);
61
62 virtual ~AliAODTrack();
63 AliAODTrack(const AliAODTrack& trk);
64 AliAODTrack& operator=(const AliAODTrack& trk);
65
66 // kinematics
16b65f2a 67 virtual Double_t OneOverPt() const { return (fMomentum[0] != 0.) ? 1./fMomentum[0] : -999.; }
df9db588 68 virtual Double_t Phi() const { return fMomentum[1]; }
69 virtual Double_t Theta() const { return fMomentum[2]; }
70
16b65f2a 71 virtual Double_t Px() const { return fMomentum[0] * TMath::Cos(fMomentum[1]); }
72 virtual Double_t Py() const { return fMomentum[0] * TMath::Sin(fMomentum[1]); }
73 virtual Double_t Pz() const { return fMomentum[0] / TMath::Tan(fMomentum[2]); }
74 virtual Double_t Pt() const { return fMomentum[0]; }
df9db588 75 virtual Double_t P() const { return TMath::Sqrt(Pt()*Pt()+Pz()*Pz()); }
76
77 Double_t Chi2() const { return fChi2; }
78
79 virtual Double_t E() const { return -999.; }
80 // make a connection to the PID object, here!!!
81 virtual Double_t M() const { return -999.; }
82
83 virtual Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * fMomentum[2])); }
84 // make a connection to the PID object, here!!!
85 virtual Double_t Y() const { return -999.; }
86
87 virtual Short_t Charge() const {return fCharge; }
88
89 // PID
90 virtual const Double_t *PID() const { return fPID; }
91
92 template <class T> void GetPID(T *pid) const {
93 for(Int_t i=0; i<10; ++i) pid[i]=fPID[i];}
94
95 template <class T> void SetPID(const T *pid) {
96 if(pid) for(Int_t i=0; i<10; ++i) fPID[i]=pid[i];
97 else {for(Int_t i=1; i<10; fPID[i++]=0); fPID[0]=1.;}}
98
99 Int_t GetID() const { return fID; }
100 Int_t GetLabel() const { return fLabel; }
101 Char_t GetType() const { return fType;}
dc825b15 102 Bool_t GetUsedForPrimVtxFit() const { return TestBit(kUsedForPrimVtxFit); }
df9db588 103
104 template <class T> void GetP(T *p) const {
105 p[0]=fMomentum[0]; p[1]=fMomentum[1]; p[2]=fMomentum[2];}
106
107 template <class T> void GetPxPyPz(T *p) const {
108 p[0] = Px(); p[1] = Py(); p[2] = Pz();}
109
110 template <class T> Bool_t GetPosition(T *x) const {
111 x[0]=fPosition[0]; x[1]=fPosition[1]; x[2]=fPosition[2];
112 return TestBit(kIsDCA);}
113
114 template <class T> void SetCovMatrix(const T *covMatrix) {
5d62ce04 115 if(!fCovMatrix) fCovMatrix=new AliAODRedCov<6>();
df9db588 116 fCovMatrix->SetCovMatrix(covMatrix);}
117
118 template <class T> Bool_t GetCovMatrix(T *covMatrix) const {
119 if(!fCovMatrix) return kFALSE;
120 fCovMatrix->GetCovMatrix(covMatrix); return kTRUE;}
121
122 void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;}
123
124 UChar_t GetITSClusterMap() const { return fITSClusterMap; }
125
126 AliAODVertex *GetProdVertex() const { return (AliAODVertex*)fProdVertex.GetObject(); }
127
128 // print
129 void Print(const Option_t *opt = "") const;
130
131 // setters
14b34be5 132 void SetID(Int_t id) { fID = id; }
133 void SetLabel(Int_t label) {fLabel = label; }
df9db588 134
14b34be5 135 template <class T> void SetPosition(const T *x, Bool_t isDCA = kFALSE);
df9db588 136 void SetDCA(Double_t d, Double_t z);
dc825b15 137 void SetUsedForPrimVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForPrimVtxFit) : ResetBit(kUsedForPrimVtxFit); }
df9db588 138
14b34be5 139 void SetOneOverPt(Double_t oneOverPt) { fMomentum[0] = oneOverPt; }
16b65f2a 140 void SetPt(Double_t pt) { fMomentum[0] = pt; };
14b34be5 141 void SetPhi(Double_t phi) { fMomentum[1] = phi; }
142 void SetTheta(Double_t theta) { fMomentum[2] = theta; }
143 template <class T> void SetP(const T *p, Bool_t cartesian = kTRUE);
df9db588 144 void SetP() {fMomentum[0]=fMomentum[1]=fMomentum[2]=-999.;}
145
14b34be5 146 void SetCharge(Short_t q) { fCharge = q; }
147 void SetChi2(Double_t chi2) { fChi2 = chi2; }
df9db588 148
14b34be5 149 void SetITSClusterMap(UChar_t itsClusMap) { fITSClusterMap = itsClusMap; }
df9db588 150
151 void SetProdVertex(TObject *vertex) { fProdVertex = vertex; }
152
153 // name and title
154 void SetType(AODTrk_t ttype) { fType=ttype; }
155
df9db588 156 private :
157
158 // Momentum & position
16b65f2a 159 Double32_t fMomentum[3]; // momemtum stored in pt, phi, theta
df9db588 160 Double32_t fPosition[3]; // position of first point on track or dca
161
162 Double32_t fPID[10]; // [0.,1.,8] pointer to PID object
163 Double32_t fChi2; // chi2 of mometum fit
164
165 Int_t fID; // unique track ID, points back to the ESD track
166 Int_t fLabel; // track label, points back to MC track
167
5d62ce04 168 AliAODRedCov<6> *fCovMatrix; // covariance matrix (x, y, z, px, py, pz)
df9db588 169 TRef fProdVertex; // vertex of origin
170
171 Char_t fCharge; // particle charge
172 UChar_t fITSClusterMap; // map of ITS cluster, one bit per layer
d20542b6 173 Char_t fType; // Track Type
df9db588 174
175
176 ClassDef(AliAODTrack,1);
177};
178
179#endif