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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 | //------------------------------------------------------------------------- | |
4f6e22bd | 9 | // AOD track implementation of AliVTrack |
df9db588 | 10 | // Author: Markus Oldenburg, CERN |
11 | //------------------------------------------------------------------------- | |
12 | ||
13 | #include <TRef.h> | |
507ed024 | 14 | #include <TBits.h> |
df9db588 | 15 | |
4f6e22bd | 16 | #include "AliVTrack.h" |
df9db588 | 17 | #include "AliAODVertex.h" |
5d62ce04 | 18 | #include "AliAODRedCov.h" |
7be1db84 | 19 | #include "AliAODPid.h" |
df9db588 | 20 | |
6dc40b1c | 21 | class AliVVertex; |
22 | ||
4f6e22bd | 23 | class AliAODTrack : public AliVTrack { |
df9db588 | 24 | |
25 | public: | |
26 | ||
1912763f | 27 | enum AODTrk_t {kUndef = -1, |
28 | kPrimary, | |
29 | kSecondary, | |
30 | kOrphan}; | |
df9db588 | 31 | |
32 | enum AODTrkBits_t { | |
dc825b15 | 33 | kIsDCA=BIT(14), // set if fPosition is the DCA and not the position of the first point |
1912763f | 34 | kUsedForVtxFit=BIT(15), // set if this track was used to fit the vertex it is attached to |
35 | kUsedForPrimVtxFit=BIT(16) // set if this track was used to fit the primary vertex | |
df9db588 | 36 | }; |
37 | ||
4697e4fb | 38 | enum AODTrkPID_t { |
1912763f | 39 | kElectron = 0, |
40 | kMuon = 1, | |
41 | kPion = 2, | |
42 | kKaon = 3, | |
43 | kProton = 4, | |
4697e4fb | 44 | kDeuteron = 5, |
45 | kTriton = 6, | |
46 | kHelium3 = 7, | |
47 | kAlpha = 8, | |
48 | kUnknown = 9, | |
49 | kMostProbable = -1 | |
50 | }; | |
df9db588 | 51 | |
52 | AliAODTrack(); | |
02153d58 | 53 | AliAODTrack(Short_t id, |
df9db588 | 54 | Int_t label, |
55 | Double_t p[3], | |
56 | Bool_t cartesian, | |
57 | Double_t x[3], | |
58 | Bool_t dca, | |
59 | Double_t covMatrix[21], | |
60 | Short_t q, | |
61 | UChar_t itsClusMap, | |
62 | Double_t pid[10], | |
63 | AliAODVertex *prodVertex, | |
1912763f | 64 | Bool_t usedForVtxFit, |
dc825b15 | 65 | Bool_t usedForPrimVtxFit, |
ec40c484 | 66 | AODTrk_t ttype=kUndef, |
862ce351 | 67 | UInt_t selectInfo=0, |
68 | Float_t chi2perNDF = -999.); | |
df9db588 | 69 | |
02153d58 | 70 | AliAODTrack(Short_t id, |
df9db588 | 71 | Int_t label, |
72 | Float_t p[3], | |
73 | Bool_t cartesian, | |
74 | Float_t x[3], | |
75 | Bool_t dca, | |
76 | Float_t covMatrix[21], | |
77 | Short_t q, | |
78 | UChar_t itsClusMap, | |
79 | Float_t pid[10], | |
80 | AliAODVertex *prodVertex, | |
1912763f | 81 | Bool_t usedForVtxFit, |
dc825b15 | 82 | Bool_t usedForPrimVtxFit, |
ec40c484 | 83 | AODTrk_t ttype=kUndef, |
862ce351 | 84 | UInt_t selectInfo=0, |
85 | Float_t chi2perNDF = -999.); | |
df9db588 | 86 | |
87 | virtual ~AliAODTrack(); | |
88 | AliAODTrack(const AliAODTrack& trk); | |
89 | AliAODTrack& operator=(const AliAODTrack& trk); | |
90 | ||
91 | // kinematics | |
16b65f2a | 92 | virtual Double_t OneOverPt() const { return (fMomentum[0] != 0.) ? 1./fMomentum[0] : -999.; } |
df9db588 | 93 | virtual Double_t Phi() const { return fMomentum[1]; } |
94 | virtual Double_t Theta() const { return fMomentum[2]; } | |
95 | ||
16b65f2a | 96 | virtual Double_t Px() const { return fMomentum[0] * TMath::Cos(fMomentum[1]); } |
97 | virtual Double_t Py() const { return fMomentum[0] * TMath::Sin(fMomentum[1]); } | |
98 | virtual Double_t Pz() const { return fMomentum[0] / TMath::Tan(fMomentum[2]); } | |
99 | virtual Double_t Pt() const { return fMomentum[0]; } | |
df9db588 | 100 | virtual Double_t P() const { return TMath::Sqrt(Pt()*Pt()+Pz()*Pz()); } |
c683ddc2 | 101 | virtual Bool_t PxPyPz(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } |
102 | ||
103 | virtual Double_t Xv() const { return GetProdVertex() ? GetProdVertex()->GetX() : -999.; } | |
104 | virtual Double_t Yv() const { return GetProdVertex() ? GetProdVertex()->GetY() : -999.; } | |
105 | virtual Double_t Zv() const { return GetProdVertex() ? GetProdVertex()->GetZ() : -999.; } | |
106 | virtual Bool_t XvYvZv(Double_t x[3]) const { x[0] = Xv(); x[1] = Yv(); x[2] = Zv(); return kTRUE; } | |
107 | ||
c4460410 | 108 | Double_t Chi2perNDF() const { return fChi2perNDF; } |
109 | UShort_t GetTPCNcls() const { return fTPCClusterMap.CountBits();} | |
4697e4fb | 110 | |
111 | virtual Double_t M() const { return M(GetMostProbablePID()); } | |
112 | Double_t M(AODTrkPID_t pid) const; | |
113 | virtual Double_t E() const { return E(GetMostProbablePID()); } | |
114 | Double_t E(AODTrkPID_t pid) const; | |
115 | Double_t E(Double_t m) const { return TMath::Sqrt(P()*P() + m*m); } | |
116 | virtual Double_t Y() const { return Y(GetMostProbablePID()); } | |
117 | Double_t Y(AODTrkPID_t pid) const; | |
118 | Double_t Y(Double_t m) const; | |
df9db588 | 119 | |
120 | virtual Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * fMomentum[2])); } | |
df9db588 | 121 | |
122 | virtual Short_t Charge() const {return fCharge; } | |
123 | ||
6dc40b1c | 124 | virtual Bool_t PropagateToDCA(const AliVVertex *vtx, |
125 | Double_t b, Double_t maxd, Double_t dz[2], Double_t covar[3]); | |
126 | ||
df9db588 | 127 | // PID |
128 | virtual const Double_t *PID() const { return fPID; } | |
4697e4fb | 129 | AODTrkPID_t GetMostProbablePID() const; |
130 | void ConvertAliPIDtoAODPID(); | |
e68fa179 | 131 | void SetDetPID(AliAODPid *aodpid) {fDetPid = aodpid;} |
df9db588 | 132 | |
133 | template <class T> void GetPID(T *pid) const { | |
134 | for(Int_t i=0; i<10; ++i) pid[i]=fPID[i];} | |
135 | ||
136 | template <class T> void SetPID(const T *pid) { | |
137 | if(pid) for(Int_t i=0; i<10; ++i) fPID[i]=pid[i]; | |
f12d42ce | 138 | else {for(Int_t i=0; i<10; fPID[i++]=0.) ; fPID[AliAODTrack::kUnknown]=1.;}} |
df9db588 | 139 | |
6efb741f | 140 | Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;} |
141 | ULong_t GetStatus() const { return GetFlags(); } | |
142 | ULong_t GetFlags() const { return fFlags; } | |
143 | ||
4f6e22bd | 144 | Int_t GetID() const { return (Int_t)fID; } |
02153d58 | 145 | Int_t GetLabel() const { return fLabel; } |
146 | Char_t GetType() const { return fType;} | |
862ce351 | 147 | Bool_t IsPrimaryCandidate() const; |
02153d58 | 148 | Bool_t GetUsedForVtxFit() const { return TestBit(kUsedForVtxFit); } |
149 | Bool_t GetUsedForPrimVtxFit() const { return TestBit(kUsedForPrimVtxFit); } | |
df9db588 | 150 | |
151 | template <class T> void GetP(T *p) const { | |
152 | p[0]=fMomentum[0]; p[1]=fMomentum[1]; p[2]=fMomentum[2];} | |
153 | ||
154 | template <class T> void GetPxPyPz(T *p) const { | |
155 | p[0] = Px(); p[1] = Py(); p[2] = Pz();} | |
156 | ||
157 | template <class T> Bool_t GetPosition(T *x) const { | |
158 | x[0]=fPosition[0]; x[1]=fPosition[1]; x[2]=fPosition[2]; | |
159 | return TestBit(kIsDCA);} | |
160 | ||
161 | template <class T> void SetCovMatrix(const T *covMatrix) { | |
5d62ce04 | 162 | if(!fCovMatrix) fCovMatrix=new AliAODRedCov<6>(); |
df9db588 | 163 | fCovMatrix->SetCovMatrix(covMatrix);} |
164 | ||
165 | template <class T> Bool_t GetCovMatrix(T *covMatrix) const { | |
166 | if(!fCovMatrix) return kFALSE; | |
167 | fCovMatrix->GetCovMatrix(covMatrix); return kTRUE;} | |
168 | ||
892be05f | 169 | Bool_t GetXYZ(Double_t *p) const { |
170 | return GetPosition(p); } | |
171 | ||
4f6e22bd | 172 | Bool_t GetCovarianceXYZPxPyPz(Double_t cv[21]) const { |
173 | return GetCovMatrix(cv);} | |
174 | ||
df9db588 | 175 | void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;} |
176 | ||
6c954176 | 177 | Double_t XAtDCA() const { return fPositionAtDCA[0]; } |
178 | Double_t YAtDCA() const { return fPositionAtDCA[1]; } | |
179 | Double_t ZAtDCA() const { | |
180 | if (IsMuonTrack()) return fPosition[2]; | |
181 | else if (TestBit(kIsDCA)) return fPosition[1]; | |
182 | else return -999.; } | |
183 | Bool_t XYZAtDCA(Double_t x[3]) const { x[0] = XAtDCA(); x[1] = YAtDCA(); x[2] = ZAtDCA(); return kTRUE; } | |
184 | ||
185 | Double_t DCA() const { | |
186 | if (IsMuonTrack()) return TMath::Sqrt(XAtDCA()*XAtDCA() + YAtDCA()*YAtDCA()); | |
187 | else if (TestBit(kIsDCA)) return fPosition[0]; | |
188 | else return -999.; } | |
189 | ||
190 | Double_t PxAtDCA() const { return fMomentumAtDCA[0]; } | |
191 | Double_t PyAtDCA() const { return fMomentumAtDCA[1]; } | |
192 | Double_t PzAtDCA() const { return fMomentumAtDCA[2]; } | |
193 | Double_t PAtDCA() const { return TMath::Sqrt(PxAtDCA()*PxAtDCA() + PyAtDCA()*PyAtDCA() + PzAtDCA()*PzAtDCA()); } | |
194 | Bool_t PxPyPzAtDCA(Double_t p[3]) const { p[0] = PxAtDCA(); p[1] = PyAtDCA(); p[2] = PzAtDCA(); return kTRUE; } | |
195 | ||
f43586f0 | 196 | Double_t GetRAtAbsorberEnd() const { return fRAtAbsorberEnd; } |
197 | ||
6c954176 | 198 | UChar_t GetITSClusterMap() const { return (UChar_t)(fITSMuonClusterMap&0xff); } |
6dc40b1c | 199 | Int_t GetITSNcls() const; |
200 | Bool_t HasPointOnITSLayer(Int_t i) const { return TESTBIT(GetITSClusterMap(),i); } | |
6c954176 | 201 | UShort_t GetHitsPatternInTrigCh() const { return (UShort_t)((fITSMuonClusterMap&0xff00)>>8); } |
202 | UInt_t GetMUONClusterMap() const { return (fITSMuonClusterMap&0x3ff0000)>>16; } | |
203 | UInt_t GetITSMUONClusterMap() const { return fITSMuonClusterMap; } | |
204 | ||
8a1418dc | 205 | Bool_t TestFilterBit(UInt_t filterBit) const {return (Bool_t) ((filterBit & fFilterMap) != 0);} |
6db112a4 | 206 | Bool_t TestFilterMask(UInt_t filterMask) const {return (Bool_t) ((filterMask & fFilterMap) == filterMask);} |
df9db588 | 207 | |
507ed024 | 208 | const TBits& GetTPCClusterMap() const {return fTPCClusterMap;} |
209 | const TBits& GetTPCSharedMap() const {return fTPCSharedMap;} | |
210 | void SetTPCClusterMap(const TBits amap) {fTPCClusterMap = amap;} | |
211 | void SetTPCSharedMap(const TBits amap) {fTPCSharedMap = amap;} | |
212 | ||
7be1db84 | 213 | AliAODPid *GetDetPid() const { return fDetPid; } |
df9db588 | 214 | AliAODVertex *GetProdVertex() const { return (AliAODVertex*)fProdVertex.GetObject(); } |
215 | ||
216 | ||
217 | void Print(const Option_t *opt = "") const; | |
218 | ||
219 | // setters | |
6efb741f | 220 | void SetFlags(ULong_t flags) { fFlags = flags; } |
221 | void SetStatus(ULong_t flags) { fFlags|=flags; } | |
222 | void ResetStatus(ULong_t flags) { fFlags&=~flags; } | |
223 | ||
02153d58 | 224 | void SetID(Short_t id) { fID = id; } |
6efb741f | 225 | void SetLabel(Int_t label) { fLabel = label; } |
df9db588 | 226 | |
14b34be5 | 227 | template <class T> void SetPosition(const T *x, Bool_t isDCA = kFALSE); |
df9db588 | 228 | void SetDCA(Double_t d, Double_t z); |
1912763f | 229 | void SetUsedForVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForVtxFit) : ResetBit(kUsedForVtxFit); } |
dc825b15 | 230 | void SetUsedForPrimVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForPrimVtxFit) : ResetBit(kUsedForPrimVtxFit); } |
df9db588 | 231 | |
f4ad422f | 232 | void SetOneOverPt(Double_t oneOverPt) { fMomentum[0] = 1. / oneOverPt; } |
16b65f2a | 233 | void SetPt(Double_t pt) { fMomentum[0] = pt; }; |
14b34be5 | 234 | void SetPhi(Double_t phi) { fMomentum[1] = phi; } |
235 | void SetTheta(Double_t theta) { fMomentum[2] = theta; } | |
236 | template <class T> void SetP(const T *p, Bool_t cartesian = kTRUE); | |
df9db588 | 237 | void SetP() {fMomentum[0]=fMomentum[1]=fMomentum[2]=-999.;} |
238 | ||
6c954176 | 239 | void SetXYAtDCA(Double_t x, Double_t y) {fPositionAtDCA[0] = x; fPositionAtDCA[1] = y;} |
240 | void SetPxPyPzAtDCA(Double_t pX, Double_t pY, Double_t pZ) {fMomentumAtDCA[0] = pX; fMomentumAtDCA[1] = pY; fMomentumAtDCA[2] = pZ;} | |
241 | ||
f43586f0 | 242 | void SetRAtAbsorberEnd(Double_t r) { fRAtAbsorberEnd = r; } |
243 | ||
14b34be5 | 244 | void SetCharge(Short_t q) { fCharge = q; } |
1912763f | 245 | void SetChi2perNDF(Double_t chi2perNDF) { fChi2perNDF = chi2perNDF; } |
df9db588 | 246 | |
6c954176 | 247 | void SetITSClusterMap(UChar_t itsClusMap) { fITSMuonClusterMap = (fITSMuonClusterMap&0xffffff00)|(((UInt_t)itsClusMap)&0xff); } |
248 | void SetHitsPatternInTrigCh(UShort_t hitsPatternInTrigCh) { fITSMuonClusterMap = (fITSMuonClusterMap&0xffff00ff)|((((UInt_t)hitsPatternInTrigCh)&0xff)<<8); } | |
249 | void SetMuonClusterMap(UInt_t muonClusMap) { fITSMuonClusterMap = (fITSMuonClusterMap&0xfc00ffff)|((muonClusMap&0x3ff)<<16); } | |
250 | void SetITSMuonClusterMap(UInt_t itsMuonClusMap) { fITSMuonClusterMap = itsMuonClusMap; } | |
df9db588 | 251 | |
8a1418dc | 252 | Int_t GetMatchTrigger() const {return fITSMuonClusterMap>>30;} |
e1c744ca | 253 | // 0 Muon track does not match trigger |
254 | // 1 Muon track match but does not pass pt cut | |
255 | // 2 Muon track match Low pt cut | |
256 | // 3 Muon track match High pt cut | |
257 | void SetMatchTrigger(Int_t MatchTrigger); | |
2200238e | 258 | Bool_t MatchTrigger() const { return (GetMatchTrigger()>0); } // Muon track matches trigger track |
259 | Bool_t MatchTriggerLowPt() const { return (GetMatchTrigger()>1); } // Muon track matches trigger track and passes Low pt cut | |
260 | Bool_t MatchTriggerHighPt() const { return (GetMatchTrigger()>2); } // Muon track matches trigger track and passes High pt cut | |
261 | Bool_t MatchTriggerDigits() const; // Muon track matches trigger digits | |
8a1418dc | 262 | Double_t GetChi2MatchTrigger() const { return fChi2MatchTrigger;} |
6c954176 | 263 | void SetChi2MatchTrigger(Double_t Chi2MatchTrigger) {fChi2MatchTrigger = Chi2MatchTrigger; } |
2200238e | 264 | Bool_t HitsMuonChamber(Int_t MuonChamber, Int_t cathode = -1) const; // Check if track hits Muon chambers |
6c954176 | 265 | Bool_t IsMuonTrack() const { return (GetMUONClusterMap()>0) ? kTRUE : kFALSE; } |
5c15a68b | 266 | |
267 | void Connected(Bool_t flag) {flag ? SETBIT(fITSMuonClusterMap,26) : CLRBIT(fITSMuonClusterMap,26);} | |
268 | Bool_t IsConnected() const {return TESTBIT(fITSMuonClusterMap,26);} | |
e1c744ca | 269 | |
c683ddc2 | 270 | void SetProdVertex(TObject *vertex) { fProdVertex = vertex; } |
271 | void SetType(AODTrk_t ttype) { fType=ttype; } | |
272 | ||
6dc40b1c | 273 | |
274 | ||
6a8e543a | 275 | // Dummy |
276 | Int_t PdgCode() const {return 0;} | |
277 | ||
df9db588 | 278 | private : |
279 | ||
280 | // Momentum & position | |
1912763f | 281 | Double32_t fMomentum[3]; // momemtum stored in pt, phi, theta |
282 | Double32_t fPosition[3]; // position of first point on track or dca | |
6c954176 | 283 | |
284 | Double32_t fMomentumAtDCA[3]; // momentum (px,py,pz) at DCA | |
285 | Double32_t fPositionAtDCA[2]; // trasverse position (x,y) at DCA | |
286 | ||
f43586f0 | 287 | Double32_t fRAtAbsorberEnd; // transverse position r at the end of the muon absorber |
288 | ||
862ce351 | 289 | Double32_t fChi2perNDF; // chi2/NDF of momentum fit |
9333290e | 290 | Double32_t fChi2MatchTrigger; // chi2 of trigger/track matching |
291 | Double32_t fPID[10]; // [0.,1.,8] pointer to PID object | |
df9db588 | 292 | |
6efb741f | 293 | ULong_t fFlags; // reconstruction status flags |
1912763f | 294 | Int_t fLabel; // track label, points back to MC track |
df9db588 | 295 | |
6c954176 | 296 | UInt_t fITSMuonClusterMap; // map of ITS and muon clusters, one bit per layer |
297 | // (ITS: bit 1-8, muon trigger: bit 9-16, muon tracker: bit 17-26, muon match trigger: bit 31-32) | |
9333290e | 298 | UInt_t fFilterMap; // filter information, one bit per set of cuts |
df9db588 | 299 | |
507ed024 | 300 | TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow |
301 | TBits fTPCSharedMap; // Map of clusters, one bit per padrow; 1 if has a shared cluster on given padrow | |
302 | ||
02153d58 | 303 | Short_t fID; // unique track ID, points back to the ESD track |
304 | ||
1912763f | 305 | Char_t fCharge; // particle charge |
1912763f | 306 | Char_t fType; // Track Type |
507ed024 | 307 | |
9333290e | 308 | AliAODRedCov<6> *fCovMatrix; // covariance matrix (x, y, z, px, py, pz) |
7be1db84 | 309 | AliAODPid *fDetPid; // more detailed or detector specific pid information |
9333290e | 310 | TRef fProdVertex; // vertex of origin |
df9db588 | 311 | |
f43586f0 | 312 | ClassDef(AliAODTrack, 10); |
df9db588 | 313 | }; |
314 | ||
862ce351 | 315 | inline Bool_t AliAODTrack::IsPrimaryCandidate() const |
316 | { | |
317 | // True of track passes primary particle selection (independent of type) | |
318 | // | |
319 | if (fFilterMap) { | |
320 | return kTRUE; | |
321 | } else { | |
322 | return kFALSE; | |
323 | } | |
324 | } | |
325 | ||
6dc40b1c | 326 | inline Int_t AliAODTrack::GetITSNcls() const |
327 | { | |
328 | // Number of points in ITS | |
329 | Int_t n=0; | |
330 | for(Int_t i=0;i<6;i++) if(HasPointOnITSLayer(i)) n++; | |
331 | return n; | |
332 | } | |
333 | ||
df9db588 | 334 | #endif |