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ae982df3 | 1 | #ifndef ALIESDTRACK_H |
2 | #define ALIESDTRACK_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
ac3faee4 | 6 | /* $Id$ */ |
7 | ||
ae982df3 | 8 | //------------------------------------------------------------------------- |
9 | // Class AliESDtrack | |
15614b8b | 10 | // This is the class to deal with during the physics analysis of data |
ae982df3 | 11 | // |
12 | // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch | |
13 | //------------------------------------------------------------------------- | |
23904d16 | 14 | /***************************************************************************** |
15 | * Use GetExternalParameters() and GetExternalCovariance() to access the * | |
16 | * track information regardless of its internal representation. * | |
17 | * This formation is now fixed in the following way: * | |
18 | * external param0: local Y-coordinate of a track (cm) * | |
19 | * external param1: local Z-coordinate of a track (cm) * | |
20 | * external param2: local sine of the track momentum azimuthal angle * | |
21 | * external param3: tangent of the track momentum dip angle * | |
22 | * external param4: 1/pt (1/(GeV/c)) * | |
23 | *****************************************************************************/ | |
ac3faee4 | 24 | |
a866ac60 | 25 | #include <TBits.h> |
c9ec41e8 | 26 | #include "AliExternalTrackParam.h" |
304864ab | 27 | #include "AliPID.h" |
f6956857 | 28 | #include <TVector3.h> |
29 | ||
49d13e89 | 30 | class AliESDVertex; |
ae982df3 | 31 | class AliKalmanTrack; |
98937d93 | 32 | class AliTrackPointArray; |
ae982df3 | 33 | |
eab5961e | 34 | const Int_t kNPlane = 6; |
35 | ||
c9ec41e8 | 36 | class AliESDtrack : public AliExternalTrackParam { |
ae982df3 | 37 | public: |
38 | AliESDtrack(); | |
c4d11b15 | 39 | AliESDtrack(const AliESDtrack& track); |
51ad6848 | 40 | virtual ~AliESDtrack(); |
9559cbc4 | 41 | void MakeMiniESDtrack(); |
51ad6848 | 42 | void SetID(Int_t id) { fID =id;} |
43 | Int_t GetID(){ return fID;} | |
ae982df3 | 44 | void SetStatus(ULong_t flags) {fFlags|=flags;} |
45 | void ResetStatus(ULong_t flags) {fFlags&=~flags;} | |
15614b8b | 46 | Bool_t UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags); |
ae982df3 | 47 | void SetIntegratedLength(Double_t l) {fTrackLength=l;} |
48 | void SetIntegratedTimes(const Double_t *times); | |
8c6a71ab | 49 | void SetESDpid(const Double_t *p); |
50 | void GetESDpid(Double_t *p) const; | |
ae982df3 | 51 | |
52 | ULong_t GetStatus() const {return fFlags;} | |
53 | Int_t GetLabel() const {return fLabel;} | |
a33a2f3d | 54 | void SetLabel(Int_t label) {fLabel = label;} |
c9ec41e8 | 55 | |
ae982df3 | 56 | void GetExternalParameters(Double_t &x, Double_t p[5]) const; |
57 | void GetExternalCovariance(Double_t cov[15]) const; | |
23904d16 | 58 | |
ae982df3 | 59 | Double_t GetIntegratedLength() const {return fTrackLength;} |
60 | void GetIntegratedTimes(Double_t *times) const; | |
4a78b8c5 | 61 | Double_t GetMass() const; |
f6956857 | 62 | TVector3 P3() const {Double_t p[3]; GetPxPyPz(p); return TVector3(p[0],p[1],p[2]);} //running track momentum |
f6956857 | 63 | TVector3 X3() const {Double_t x[3]; GetXYZ(x); return TVector3(x[0],x[1],x[2]);} //running track position |
ae982df3 | 64 | |
c0b978f0 | 65 | |
c9ec41e8 | 66 | Bool_t GetConstrainedPxPyPz(Double_t *p) const { |
67 | if (!fCp) return kFALSE; | |
68 | return fCp->GetPxPyPz(p); | |
69 | } | |
70 | Bool_t GetConstrainedXYZ(Double_t *r) const { | |
71 | if (!fCp) return kFALSE; | |
72 | return fCp->GetXYZ(r); | |
73 | } | |
c0b978f0 | 74 | Bool_t GetConstrainedExternalParameters |
75 | (Double_t &alpha, Double_t &x, Double_t p[5]) const; | |
76 | Bool_t GetConstrainedExternalCovariance(Double_t cov[15]) const; | |
c9ec41e8 | 77 | Double_t GetConstrainedChi2() const {return fCchi2;} |
67c3dcbe | 78 | |
67c3dcbe | 79 | |
c9ec41e8 | 80 | Bool_t GetInnerPxPyPz(Double_t *p) const { |
81 | if (!fIp) return kFALSE; | |
82 | return fIp->GetPxPyPz(p); | |
83 | } | |
84 | Bool_t GetInnerXYZ(Double_t *r) const { | |
85 | if (!fIp) return kFALSE; | |
86 | return fIp->GetXYZ(r); | |
87 | } | |
c0b978f0 | 88 | Bool_t GetInnerExternalParameters |
89 | (Double_t &alpha, Double_t &x, Double_t p[5]) const; | |
90 | Bool_t GetInnerExternalCovariance(Double_t cov[15]) const; | |
98937d93 | 91 | |
c0b978f0 | 92 | |
93 | Bool_t GetOuterPxPyPz(Double_t *p) const { | |
94 | if (!fOp) return kFALSE; | |
95 | return fOp->GetPxPyPz(p); | |
96 | } | |
97 | Bool_t GetOuterXYZ(Double_t *r) const { | |
98 | if (!fOp) return kFALSE; | |
99 | return fOp->GetXYZ(r); | |
c9ec41e8 | 100 | } |
c0b978f0 | 101 | Bool_t GetOuterExternalParameters |
102 | (Double_t &alpha, Double_t &x, Double_t p[5]) const; | |
103 | Bool_t GetOuterExternalCovariance(Double_t cov[15]) const; | |
104 | ||
c9ec41e8 | 105 | |
98937d93 | 106 | Int_t GetNcls(Int_t idet) const; |
107 | Int_t GetClusters(Int_t idet, UInt_t *idx) const; | |
108 | ||
c630aafd | 109 | void SetITSpid(const Double_t *p); |
babd135a | 110 | void SetITSChi2MIP(const Float_t *chi2mip); |
c4d11b15 | 111 | void SetITStrack(AliKalmanTrack * track){fITStrack=track;} |
c630aafd | 112 | void GetITSpid(Double_t *p) const; |
ae982df3 | 113 | Float_t GetITSsignal() const {return fITSsignal;} |
13da10da | 114 | Float_t GetITSchi2() const {return fITSchi2;} |
ae982df3 | 115 | Int_t GetITSclusters(UInt_t *idx) const; |
6e5b1b04 | 116 | Int_t GetITSLabel() const {return fITSLabel;} |
babd135a | 117 | Float_t GetITSFakeRatio() const {return fITSFakeRatio;} |
c4d11b15 | 118 | AliKalmanTrack * GetITStrack(){return fITStrack;} |
ae982df3 | 119 | |
13da10da | 120 | void SetTPCpid(const Double_t *p); |
121 | void GetTPCpid(Double_t *p) const; | |
51ad6848 | 122 | void SetTPCPoints(Float_t points[4]){for (Int_t i=0;i<4;i++) fTPCPoints[i]=points[i];} |
e1d4c1b5 | 123 | void SetTPCPointsF(UChar_t findable){fTPCnclsF = findable;} |
98937d93 | 124 | Float_t GetTPCPoints(Int_t i){return fTPCPoints[i];} |
51ad6848 | 125 | void SetKinkIndexes(Int_t points[3]) {for (Int_t i=0;i<3;i++) fKinkIndexes[i] = points[i];} |
126 | void SetV0Indexes(Int_t points[3]) {for (Int_t i=0;i<3;i++) fV0Indexes[i] = points[i];} | |
e1d4c1b5 | 127 | void SetTPCsignal(Float_t signal, Float_t sigma, UChar_t npoints){ fTPCsignal = signal; fTPCsignalS = sigma; fTPCsignalN = npoints;} |
13da10da | 128 | Float_t GetTPCsignal() const {return fTPCsignal;} |
129 | Float_t GetTPCchi2() const {return fTPCchi2;} | |
130 | Int_t GetTPCclusters(Int_t *idx) const; | |
81e97e0d | 131 | Float_t GetTPCdensity(Int_t row0, Int_t row1) const; |
6e5b1b04 | 132 | Int_t GetTPCLabel() const {return fTPCLabel;} |
51ad6848 | 133 | Int_t GetKinkIndex(Int_t i) const { return fKinkIndexes[i];} |
134 | Int_t GetV0Index(Int_t i) const { return fV0Indexes[i];} | |
3a83c716 | 135 | const TBits& GetTPCClusterMap() const {return fTPCClusterMap;} |
a866ac60 | 136 | |
c630aafd | 137 | void SetTRDpid(const Double_t *p); |
7c97ee80 | 138 | void SetTRDQuality(Float_t quality){fTRDQuality=quality;} |
139 | Float_t GetTRDQuality()const {return fTRDQuality;} | |
23d49657 | 140 | void SetTRDBudget(Float_t budget){fTRDBudget=budget;} |
141 | Float_t GetTRDBudget()const {return fTRDBudget;} | |
c4d11b15 | 142 | void SetTRDtrack(AliKalmanTrack * track){fTRDtrack=track;} |
eab5961e | 143 | void SetTRDsignals(Float_t dedx, Int_t i) {fTRDsignals[i]=dedx;} |
144 | void SetTRDTimBin(Int_t timbin, Int_t i) {fTRDTimBin[i]=timbin;} | |
c630aafd | 145 | void GetTRDpid(Double_t *p) const; |
79e94bf8 | 146 | Float_t GetTRDsignal() const {return fTRDsignal;} |
eab5961e | 147 | Float_t GetTRDsignals(Int_t i) const {return fTRDsignals[i];} |
148 | Int_t GetTRDTimBin(Int_t i) const {return fTRDTimBin[i];} | |
13da10da | 149 | Float_t GetTRDchi2() const {return fTRDchi2;} |
bb2ceb1f | 150 | Int_t GetTRDclusters(UInt_t *idx) const; |
51ad6848 | 151 | Int_t GetTRDncls() const {return fTRDncls;} |
79e94bf8 | 152 | void SetTRDpid(Int_t iSpecies, Float_t p); |
153 | Float_t GetTRDpid(Int_t iSpecies) const; | |
6e5b1b04 | 154 | Int_t GetTRDLabel() const {return fTRDLabel;} |
c9ec41e8 | 155 | |
156 | ||
c4d11b15 | 157 | AliKalmanTrack * GetTRDtrack(){return fTRDtrack;} |
79e94bf8 | 158 | |
c630aafd | 159 | void SetTOFsignal(Double_t tof) {fTOFsignal=tof;} |
160 | Float_t GetTOFsignal() const {return fTOFsignal;} | |
13da10da | 161 | Float_t GetTOFchi2() const {return fTOFchi2;} |
c630aafd | 162 | void SetTOFpid(const Double_t *p); |
51ad6848 | 163 | void SetTOFLabel(const Int_t *p); |
c630aafd | 164 | void GetTOFpid(Double_t *p) const; |
51ad6848 | 165 | void GetTOFLabel(Int_t *p) const; |
166 | void GetTOFInfo(Float_t *info) const; | |
167 | void SetTOFInfo(Float_t *info); | |
c630aafd | 168 | UInt_t GetTOFcluster() const {return fTOFindex;} |
169 | void SetTOFcluster(UInt_t index) {fTOFindex=index;} | |
4a78b8c5 | 170 | |
171 | void SetRICHsignal(Double_t beta) {fRICHsignal=beta;} | |
172 | Float_t GetRICHsignal() const {return fRICHsignal;} | |
173 | void SetRICHpid(const Double_t *p); | |
174 | void GetRICHpid(Double_t *p) const; | |
1e5d06c3 | 175 | void SetRICHchi2(Double_t chi2) {fRICHchi2=chi2;} |
176 | Float_t GetRICHchi2() const {return fRICHchi2;} | |
177 | void SetRICHcluster(UInt_t index) {fRICHindex=index;} | |
178 | UInt_t GetRICHcluster() const {return fRICHindex;} | |
179 | void SetRICHnclusters(Int_t n) {fRICHncls=n;} | |
180 | Int_t GetRICHnclusters() const {return fRICHncls;} | |
181 | void SetRICHthetaPhi(Double_t theta, Double_t phi) { | |
182 | fRICHtheta=theta; fRICHphi=phi; | |
183 | } | |
184 | void GetRICHthetaPhi(Double_t &theta, Double_t &phi) const { | |
185 | theta=fRICHtheta; phi=fRICHphi; | |
186 | } | |
187 | void SetRICHdxdy(Double_t dx, Double_t dy) { | |
188 | fRICHdx=dx; fRICHdy=dy; | |
189 | } | |
190 | void GetRICHdxdy(Double_t &dx, Double_t &dy) const { | |
f6956857 | 191 | dx=fRICHdx; dy=fRICHdy; |
1e5d06c3 | 192 | } |
4a78b8c5 | 193 | |
85c60a8e | 194 | /* void SetPHOSposition(const Double_t *pos) { */ |
195 | /* fPHOSpos[0] = pos[0]; fPHOSpos[1]=pos[1]; fPHOSpos[2]=pos[2]; */ | |
196 | /* } */ | |
197 | /* void SetPHOSsignal(Double_t ene) {fPHOSsignal = ene; } */ | |
198 | /* void SetPHOSpid(const Double_t *p); */ | |
199 | /* void GetPHOSposition(Double_t *pos) const { */ | |
200 | /* pos[0]=fPHOSpos[0]; pos[1]=fPHOSpos[1]; pos[2]=fPHOSpos[2]; */ | |
201 | /* } */ | |
202 | /* Float_t GetPHOSsignal() const {return fPHOSsignal;} */ | |
203 | /* void GetPHOSpid(Double_t *p) const; */ | |
704be597 | 204 | |
3a83c716 | 205 | Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;} |
704be597 | 206 | Bool_t IsRICH() const {return fFlags&kRICHpid;} |
207 | Bool_t IsPHOS() const {return fFlags&kPHOSpid;} | |
ac2f7574 | 208 | |
98937d93 | 209 | void SetTrackPointArray(AliTrackPointArray *points) { fPoints = points; } |
210 | AliTrackPointArray *GetTrackPointArray() const { return fPoints; } | |
211 | ||
49d13e89 | 212 | Bool_t |
213 | RelateToVertex(const AliESDVertex *vtx, Double_t b, Double_t maxd); | |
214 | void GetImpactParameters(Float_t &xy,Float_t &z) const {xy=fD; z=fZ;} | |
215 | void GetImpactParameters(Float_t p[2], Float_t cov[3]) const { | |
216 | p[0]=fD; p[1]=fZ; cov[0]=fCdd; cov[1]=fCdz; cov[2]=fCzz; | |
217 | } | |
ac2f7574 | 218 | virtual void Print(Option_t * opt) const ; |
219 | ||
ae982df3 | 220 | enum { |
8c6a71ab | 221 | kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008, |
222 | kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080, | |
223 | kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800, | |
224 | kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000, | |
85c60a8e | 225 | kPHOSpid=0x10000, kRICHpid=0x20000, |
c4d11b15 | 226 | kTRDbackup=0x80000, |
4a78b8c5 | 227 | kTRDStop=0x20000000, |
8c6a71ab | 228 | kESDpid=0x40000000, |
ae982df3 | 229 | kTIME=0x80000000 |
230 | }; | |
ae982df3 | 231 | protected: |
90e48c0c | 232 | |
81e97e0d | 233 | //AliESDtrack & operator=(const AliESDtrack & ); |
90e48c0c | 234 | |
49d13e89 | 235 | ULong_t fFlags; // Reconstruction status flags |
236 | Int_t fLabel; // Track label | |
237 | Int_t fID; // Unique ID of the track | |
238 | Float_t fTrackLength; // Track length | |
239 | Float_t fD; // Impact parameter in XY plane | |
240 | Float_t fZ; // Impact parameter in Z | |
241 | Float_t fCdd,fCdz,fCzz; // Covariance matrix of the impact parameters | |
304864ab | 242 | Float_t fTrackTime[AliPID::kSPECIES]; // TOFs estimated by the tracking |
c9ec41e8 | 243 | Float_t fR[AliPID::kSPECIES]; // combined "detector response probability" |
ae982df3 | 244 | |
49d13e89 | 245 | Int_t fStopVertex; // Index of the stop vertex |
ae982df3 | 246 | |
67c3dcbe | 247 | //Track parameters constrained to the primary vertex |
c9ec41e8 | 248 | AliExternalTrackParam *fCp; |
67c3dcbe | 249 | Double_t fCchi2; //chi2 at the primary vertex |
250 | ||
672b5f43 | 251 | //Track parameters at the inner wall of the TPC |
c9ec41e8 | 252 | AliExternalTrackParam *fIp; |
23904d16 | 253 | |
c4d11b15 | 254 | //Track parameters at the inner wall of the TRD |
c9ec41e8 | 255 | AliExternalTrackParam *fOp; |
ae982df3 | 256 | |
ae982df3 | 257 | // ITS related track information |
258 | Float_t fITSchi2; // chi2 in the ITS | |
c4d11b15 | 259 | Float_t fITSchi2MIP[12]; // chi2s in the ITS |
ae982df3 | 260 | Int_t fITSncls; // number of clusters assigned in the ITS |
261 | UInt_t fITSindex[6]; //! indices of the assigned ITS clusters | |
262 | Float_t fITSsignal; // detector's PID signal | |
304864ab | 263 | Float_t fITSr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID) |
6e5b1b04 | 264 | Int_t fITSLabel; // label according TPC |
babd135a | 265 | Float_t fITSFakeRatio; // ration of fake tracks |
3fd96ae3 | 266 | AliKalmanTrack * fITStrack; //! OWNER: pointer to the ITS track -- currently for debug purpose |
c4d11b15 | 267 | |
ae982df3 | 268 | // TPC related track information |
269 | Float_t fTPCchi2; // chi2 in the TPC | |
270 | Int_t fTPCncls; // number of clusters assigned in the TPC | |
e1d4c1b5 | 271 | UShort_t fTPCnclsF; // number of findable clusters in the TPC |
c84a5e9e | 272 | Int_t fTPCindex[180]; //! indices of the assigned TPC clusters |
a866ac60 | 273 | TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow |
ae982df3 | 274 | Float_t fTPCsignal; // detector's PID signal |
e1d4c1b5 | 275 | UShort_t fTPCsignalN; // number of points used for dEdx |
276 | Float_t fTPCsignalS; // RMS of dEdx measurement | |
304864ab | 277 | Float_t fTPCr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID) |
6e5b1b04 | 278 | Int_t fTPCLabel; // label according TPC |
51ad6848 | 279 | Float_t fTPCPoints[4]; // TPC points -first, max. dens, last and max density |
280 | Int_t fKinkIndexes[3]; // array of indexes of posible kink candidates | |
281 | Int_t fV0Indexes[3]; // array of indexes of posible kink candidates | |
23904d16 | 282 | |
ae982df3 | 283 | // TRD related track information |
79e94bf8 | 284 | Float_t fTRDchi2; // chi2 in the TRD |
285 | Int_t fTRDncls; // number of clusters assigned in the TRD | |
c4d11b15 | 286 | Int_t fTRDncls0; // number of clusters assigned in the TRD before first material cross |
e1d4c1b5 | 287 | UInt_t fTRDindex[180]; //! indices of the assigned TRD clusters |
79e94bf8 | 288 | Float_t fTRDsignal; // detector's PID signal |
eab5961e | 289 | Float_t fTRDsignals[kNPlane]; // TRD signals from all six planes |
290 | Int_t fTRDTimBin[kNPlane]; // Time bin of Max cluster from all six planes | |
304864ab | 291 | Float_t fTRDr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID) |
6e5b1b04 | 292 | Int_t fTRDLabel; // label according TRD |
7c97ee80 | 293 | Float_t fTRDQuality; //trd quality factor for TOF |
23d49657 | 294 | Float_t fTRDBudget; //trd material budget |
3fd96ae3 | 295 | AliKalmanTrack * fTRDtrack; //! OWNER: pointer to the TRD track -- currently for debug purpose |
23904d16 | 296 | |
ae982df3 | 297 | // TOF related track information |
c630aafd | 298 | Float_t fTOFchi2; // chi2 in the TOF |
bb2ceb1f | 299 | UInt_t fTOFindex; // index of the assigned TOF cluster |
c630aafd | 300 | Float_t fTOFsignal; // detector's PID signal |
304864ab | 301 | Float_t fTOFr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID) |
51ad6848 | 302 | Int_t fTOFLabel[3]; // TOF label |
c84a5e9e | 303 | Float_t fTOFInfo[10]; //! TOF informations |
23904d16 | 304 | |
4a78b8c5 | 305 | // PHOS related track information |
85c60a8e | 306 | // Float_t fPHOSpos[3]; // position localised by PHOS in global coordinate system |
307 | // Float_t fPHOSsignal; // energy measured by PHOS | |
308 | //Float_t fPHOSr[AliPID::kSPECIESN]; // PID information from PHOS | |
ae982df3 | 309 | |
4a78b8c5 | 310 | // HMPID related track information |
1e5d06c3 | 311 | Float_t fRICHchi2; // chi2 in the RICH |
312 | Int_t fRICHncls; // number of photon clusters | |
313 | UInt_t fRICHindex; // index of the assigned MIP cluster | |
314 | Float_t fRICHsignal; // RICH PID signal | |
304864ab | 315 | Float_t fRICHr[AliPID::kSPECIES];// "detector response probabilities" (for the PID) |
1e5d06c3 | 316 | Float_t fRICHtheta; // theta of the track extrapolated to the RICH |
317 | Float_t fRICHphi; // phi of the track extrapolated to the RICH | |
318 | Float_t fRICHdx; // x of the track impact minus x of the MIP | |
319 | Float_t fRICHdy; // y of the track impact minus y of the MIP | |
98937d93 | 320 | |
321 | AliTrackPointArray *fPoints; // Array which contains the track space points in the global frame | |
322 | ||
85c60a8e | 323 | ClassDef(AliESDtrack,23) //ESDtrack |
ae982df3 | 324 | }; |
325 | ||
326 | #endif | |
327 |