The FMD analysis tasks. This is a first version and there is work to do
[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//-------------------------------------------------------------------------
0c5f89fb 9// AOD track implementation of AliVParticle
df9db588 10// Author: Markus Oldenburg, CERN
11//-------------------------------------------------------------------------
12
13#include <TRef.h>
14
9861edc0 15#include "AliVParticle.h"
df9db588 16#include "AliAODVertex.h"
5d62ce04 17#include "AliAODRedCov.h"
7be1db84 18#include "AliAODPid.h"
df9db588 19
9861edc0 20class AliAODTrack : public AliVParticle {
df9db588 21
22 public:
23
1912763f 24 enum AODTrk_t {kUndef = -1,
25 kPrimary,
26 kSecondary,
27 kOrphan};
df9db588 28
29 enum AODTrkBits_t {
dc825b15 30 kIsDCA=BIT(14), // set if fPosition is the DCA and not the position of the first point
1912763f 31 kUsedForVtxFit=BIT(15), // set if this track was used to fit the vertex it is attached to
32 kUsedForPrimVtxFit=BIT(16) // set if this track was used to fit the primary vertex
df9db588 33 };
34
4697e4fb 35 enum AODTrkPID_t {
1912763f 36 kElectron = 0,
37 kMuon = 1,
38 kPion = 2,
39 kKaon = 3,
40 kProton = 4,
4697e4fb 41 kDeuteron = 5,
42 kTriton = 6,
43 kHelium3 = 7,
44 kAlpha = 8,
45 kUnknown = 9,
46 kMostProbable = -1
47 };
df9db588 48
49 AliAODTrack();
02153d58 50 AliAODTrack(Short_t id,
df9db588 51 Int_t label,
52 Double_t p[3],
53 Bool_t cartesian,
54 Double_t x[3],
55 Bool_t dca,
56 Double_t covMatrix[21],
57 Short_t q,
58 UChar_t itsClusMap,
59 Double_t pid[10],
60 AliAODVertex *prodVertex,
1912763f 61 Bool_t usedForVtxFit,
dc825b15 62 Bool_t usedForPrimVtxFit,
ec40c484 63 AODTrk_t ttype=kUndef,
862ce351 64 UInt_t selectInfo=0,
65 Float_t chi2perNDF = -999.);
df9db588 66
02153d58 67 AliAODTrack(Short_t id,
df9db588 68 Int_t label,
69 Float_t p[3],
70 Bool_t cartesian,
71 Float_t x[3],
72 Bool_t dca,
73 Float_t covMatrix[21],
74 Short_t q,
75 UChar_t itsClusMap,
76 Float_t pid[10],
77 AliAODVertex *prodVertex,
1912763f 78 Bool_t usedForVtxFit,
dc825b15 79 Bool_t usedForPrimVtxFit,
ec40c484 80 AODTrk_t ttype=kUndef,
862ce351 81 UInt_t selectInfo=0,
82 Float_t chi2perNDF = -999.);
df9db588 83
84 virtual ~AliAODTrack();
85 AliAODTrack(const AliAODTrack& trk);
86 AliAODTrack& operator=(const AliAODTrack& trk);
87
88 // kinematics
16b65f2a 89 virtual Double_t OneOverPt() const { return (fMomentum[0] != 0.) ? 1./fMomentum[0] : -999.; }
df9db588 90 virtual Double_t Phi() const { return fMomentum[1]; }
91 virtual Double_t Theta() const { return fMomentum[2]; }
92
16b65f2a 93 virtual Double_t Px() const { return fMomentum[0] * TMath::Cos(fMomentum[1]); }
94 virtual Double_t Py() const { return fMomentum[0] * TMath::Sin(fMomentum[1]); }
95 virtual Double_t Pz() const { return fMomentum[0] / TMath::Tan(fMomentum[2]); }
96 virtual Double_t Pt() const { return fMomentum[0]; }
df9db588 97 virtual Double_t P() const { return TMath::Sqrt(Pt()*Pt()+Pz()*Pz()); }
c683ddc2 98 virtual Bool_t PxPyPz(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; }
99
100 virtual Double_t Xv() const { return GetProdVertex() ? GetProdVertex()->GetX() : -999.; }
101 virtual Double_t Yv() const { return GetProdVertex() ? GetProdVertex()->GetY() : -999.; }
102 virtual Double_t Zv() const { return GetProdVertex() ? GetProdVertex()->GetZ() : -999.; }
103 virtual Bool_t XvYvZv(Double_t x[3]) const { x[0] = Xv(); x[1] = Yv(); x[2] = Zv(); return kTRUE; }
104
1912763f 105 Double_t Chi2perNDF() const { return fChi2perNDF; }
4697e4fb 106
107 virtual Double_t M() const { return M(GetMostProbablePID()); }
108 Double_t M(AODTrkPID_t pid) const;
109 virtual Double_t E() const { return E(GetMostProbablePID()); }
110 Double_t E(AODTrkPID_t pid) const;
111 Double_t E(Double_t m) const { return TMath::Sqrt(P()*P() + m*m); }
112 virtual Double_t Y() const { return Y(GetMostProbablePID()); }
113 Double_t Y(AODTrkPID_t pid) const;
114 Double_t Y(Double_t m) const;
df9db588 115
116 virtual Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * fMomentum[2])); }
df9db588 117
118 virtual Short_t Charge() const {return fCharge; }
119
120 // PID
121 virtual const Double_t *PID() const { return fPID; }
4697e4fb 122 AODTrkPID_t GetMostProbablePID() const;
123 void ConvertAliPIDtoAODPID();
e68fa179 124 void SetDetPID(AliAODPid *aodpid) {fDetPid = aodpid;}
df9db588 125
126 template <class T> void GetPID(T *pid) const {
127 for(Int_t i=0; i<10; ++i) pid[i]=fPID[i];}
128
129 template <class T> void SetPID(const T *pid) {
130 if(pid) for(Int_t i=0; i<10; ++i) fPID[i]=pid[i];
f12d42ce 131 else {for(Int_t i=0; i<10; fPID[i++]=0.) ; fPID[AliAODTrack::kUnknown]=1.;}}
df9db588 132
6efb741f 133 Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
134 ULong_t GetStatus() const { return GetFlags(); }
135 ULong_t GetFlags() const { return fFlags; }
136
02153d58 137 Short_t GetID() const { return fID; }
138 Int_t GetLabel() const { return fLabel; }
139 Char_t GetType() const { return fType;}
862ce351 140 Bool_t IsPrimaryCandidate() const;
02153d58 141 Bool_t GetUsedForVtxFit() const { return TestBit(kUsedForVtxFit); }
142 Bool_t GetUsedForPrimVtxFit() const { return TestBit(kUsedForPrimVtxFit); }
df9db588 143
144 template <class T> void GetP(T *p) const {
145 p[0]=fMomentum[0]; p[1]=fMomentum[1]; p[2]=fMomentum[2];}
146
147 template <class T> void GetPxPyPz(T *p) const {
148 p[0] = Px(); p[1] = Py(); p[2] = Pz();}
149
150 template <class T> Bool_t GetPosition(T *x) const {
151 x[0]=fPosition[0]; x[1]=fPosition[1]; x[2]=fPosition[2];
152 return TestBit(kIsDCA);}
153
154 template <class T> void SetCovMatrix(const T *covMatrix) {
5d62ce04 155 if(!fCovMatrix) fCovMatrix=new AliAODRedCov<6>();
df9db588 156 fCovMatrix->SetCovMatrix(covMatrix);}
157
158 template <class T> Bool_t GetCovMatrix(T *covMatrix) const {
159 if(!fCovMatrix) return kFALSE;
160 fCovMatrix->GetCovMatrix(covMatrix); return kTRUE;}
161
162 void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;}
163
6c954176 164 Double_t XAtDCA() const { return fPositionAtDCA[0]; }
165 Double_t YAtDCA() const { return fPositionAtDCA[1]; }
166 Double_t ZAtDCA() const {
167 if (IsMuonTrack()) return fPosition[2];
168 else if (TestBit(kIsDCA)) return fPosition[1];
169 else return -999.; }
170 Bool_t XYZAtDCA(Double_t x[3]) const { x[0] = XAtDCA(); x[1] = YAtDCA(); x[2] = ZAtDCA(); return kTRUE; }
171
172 Double_t DCA() const {
173 if (IsMuonTrack()) return TMath::Sqrt(XAtDCA()*XAtDCA() + YAtDCA()*YAtDCA());
174 else if (TestBit(kIsDCA)) return fPosition[0];
175 else return -999.; }
176
177 Double_t PxAtDCA() const { return fMomentumAtDCA[0]; }
178 Double_t PyAtDCA() const { return fMomentumAtDCA[1]; }
179 Double_t PzAtDCA() const { return fMomentumAtDCA[2]; }
180 Double_t PAtDCA() const { return TMath::Sqrt(PxAtDCA()*PxAtDCA() + PyAtDCA()*PyAtDCA() + PzAtDCA()*PzAtDCA()); }
181 Bool_t PxPyPzAtDCA(Double_t p[3]) const { p[0] = PxAtDCA(); p[1] = PyAtDCA(); p[2] = PzAtDCA(); return kTRUE; }
182
183 UChar_t GetITSClusterMap() const { return (UChar_t)(fITSMuonClusterMap&0xff); }
184 UShort_t GetHitsPatternInTrigCh() const { return (UShort_t)((fITSMuonClusterMap&0xff00)>>8); }
185 UInt_t GetMUONClusterMap() const { return (fITSMuonClusterMap&0x3ff0000)>>16; }
186 UInt_t GetITSMUONClusterMap() const { return fITSMuonClusterMap; }
187
8a1418dc 188 Bool_t TestFilterBit(UInt_t filterBit) const {return (Bool_t) ((filterBit & fFilterMap) != 0);}
df9db588 189
7be1db84 190 AliAODPid *GetDetPid() const { return fDetPid; }
df9db588 191 AliAODVertex *GetProdVertex() const { return (AliAODVertex*)fProdVertex.GetObject(); }
192
193 // print
194 void Print(const Option_t *opt = "") const;
195
196 // setters
6efb741f 197 void SetFlags(ULong_t flags) { fFlags = flags; }
198 void SetStatus(ULong_t flags) { fFlags|=flags; }
199 void ResetStatus(ULong_t flags) { fFlags&=~flags; }
200
02153d58 201 void SetID(Short_t id) { fID = id; }
6efb741f 202 void SetLabel(Int_t label) { fLabel = label; }
df9db588 203
14b34be5 204 template <class T> void SetPosition(const T *x, Bool_t isDCA = kFALSE);
df9db588 205 void SetDCA(Double_t d, Double_t z);
1912763f 206 void SetUsedForVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForVtxFit) : ResetBit(kUsedForVtxFit); }
dc825b15 207 void SetUsedForPrimVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForPrimVtxFit) : ResetBit(kUsedForPrimVtxFit); }
df9db588 208
14b34be5 209 void SetOneOverPt(Double_t oneOverPt) { fMomentum[0] = oneOverPt; }
16b65f2a 210 void SetPt(Double_t pt) { fMomentum[0] = pt; };
14b34be5 211 void SetPhi(Double_t phi) { fMomentum[1] = phi; }
212 void SetTheta(Double_t theta) { fMomentum[2] = theta; }
213 template <class T> void SetP(const T *p, Bool_t cartesian = kTRUE);
df9db588 214 void SetP() {fMomentum[0]=fMomentum[1]=fMomentum[2]=-999.;}
215
6c954176 216 void SetXYAtDCA(Double_t x, Double_t y) {fPositionAtDCA[0] = x; fPositionAtDCA[1] = y;}
217 void SetPxPyPzAtDCA(Double_t pX, Double_t pY, Double_t pZ) {fMomentumAtDCA[0] = pX; fMomentumAtDCA[1] = pY; fMomentumAtDCA[2] = pZ;}
218
14b34be5 219 void SetCharge(Short_t q) { fCharge = q; }
1912763f 220 void SetChi2perNDF(Double_t chi2perNDF) { fChi2perNDF = chi2perNDF; }
df9db588 221
6c954176 222 void SetITSClusterMap(UChar_t itsClusMap) { fITSMuonClusterMap = (fITSMuonClusterMap&0xffffff00)|(((UInt_t)itsClusMap)&0xff); }
223 void SetHitsPatternInTrigCh(UShort_t hitsPatternInTrigCh) { fITSMuonClusterMap = (fITSMuonClusterMap&0xffff00ff)|((((UInt_t)hitsPatternInTrigCh)&0xff)<<8); }
224 void SetMuonClusterMap(UInt_t muonClusMap) { fITSMuonClusterMap = (fITSMuonClusterMap&0xfc00ffff)|((muonClusMap&0x3ff)<<16); }
225 void SetITSMuonClusterMap(UInt_t itsMuonClusMap) { fITSMuonClusterMap = itsMuonClusMap; }
df9db588 226
8a1418dc 227 Int_t GetMatchTrigger() const {return fITSMuonClusterMap>>30;}
e1c744ca 228 // 0 Muon track does not match trigger
229 // 1 Muon track match but does not pass pt cut
230 // 2 Muon track match Low pt cut
231 // 3 Muon track match High pt cut
232 void SetMatchTrigger(Int_t MatchTrigger);
8a1418dc 233 Int_t MatchTrigger() const { return (GetMatchTrigger()>0)?1:0; } // Muon track matches trigger track
234 Int_t MatchTriggerAnyPt() const { return (GetMatchTrigger()>0)?1:0; } // Muon track matches trigger track
235 Int_t MatchTriggerLowPt() const { return (GetMatchTrigger()>1)?1:0; } // Muon track matches trigger track and passes Low pt cut
236 Int_t MatchTriggerHighPt() const { return (GetMatchTrigger()>2)?1:0; } // Muon track matches trigger track and passes High pt cut
237 Double_t GetChi2MatchTrigger() const { return fChi2MatchTrigger;}
6c954176 238 void SetChi2MatchTrigger(Double_t Chi2MatchTrigger) {fChi2MatchTrigger = Chi2MatchTrigger; }
f12d42ce 239 Int_t HitsMT(Int_t istation, Int_t iplane, Option_t *cathode=0); // Check if track hits Muon chambers
9861edc0 240 Int_t HitsMuonChamber(Int_t MuonChamber); // Check if track hits Muon chambers
6c954176 241 Bool_t IsMuonTrack() const { return (GetMUONClusterMap()>0) ? kTRUE : kFALSE; }
e1c744ca 242
c683ddc2 243 void SetProdVertex(TObject *vertex) { fProdVertex = vertex; }
244 void SetType(AODTrk_t ttype) { fType=ttype; }
245
246 // track operations
247 Bool_t PropagateTo(Double_t xk, Double_t b);
df9db588 248
df9db588 249
df9db588 250 private :
251
252 // Momentum & position
1912763f 253 Double32_t fMomentum[3]; // momemtum stored in pt, phi, theta
254 Double32_t fPosition[3]; // position of first point on track or dca
6c954176 255
256 Double32_t fMomentumAtDCA[3]; // momentum (px,py,pz) at DCA
257 Double32_t fPositionAtDCA[2]; // trasverse position (x,y) at DCA
258
862ce351 259 Double32_t fChi2perNDF; // chi2/NDF of momentum fit
9333290e 260 Double32_t fChi2MatchTrigger; // chi2 of trigger/track matching
261 Double32_t fPID[10]; // [0.,1.,8] pointer to PID object
df9db588 262
6efb741f 263 ULong_t fFlags; // reconstruction status flags
1912763f 264 Int_t fLabel; // track label, points back to MC track
df9db588 265
6c954176 266 UInt_t fITSMuonClusterMap; // map of ITS and muon clusters, one bit per layer
267 // (ITS: bit 1-8, muon trigger: bit 9-16, muon tracker: bit 17-26, muon match trigger: bit 31-32)
9333290e 268 UInt_t fFilterMap; // filter information, one bit per set of cuts
df9db588 269
02153d58 270 Short_t fID; // unique track ID, points back to the ESD track
271
1912763f 272 Char_t fCharge; // particle charge
1912763f 273 Char_t fType; // Track Type
df9db588 274
9333290e 275 AliAODRedCov<6> *fCovMatrix; // covariance matrix (x, y, z, px, py, pz)
7be1db84 276 AliAODPid *fDetPid; // more detailed or detector specific pid information
9333290e 277 TRef fProdVertex; // vertex of origin
df9db588 278
6c954176 279 ClassDef(AliAODTrack,8);
df9db588 280};
281
862ce351 282inline Bool_t AliAODTrack::IsPrimaryCandidate() const
283{
284 // True of track passes primary particle selection (independent of type)
285 //
286 if (fFilterMap) {
287 return kTRUE;
288 } else {
289 return kFALSE;
290 }
291}
292
df9db588 293#endif