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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 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //------------------------------------------------------------------------- | |
9 | // Class AliESDtrack | |
10 | // This is the class to deal with during the physics analysis of data | |
11 | // | |
12 | // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch | |
13 | //------------------------------------------------------------------------- | |
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 | *****************************************************************************/ | |
24 | ||
25 | #include <TBits.h> | |
26 | #include <TObject.h> | |
27 | #include "AliPID.h" | |
28 | #include <TVector3.h> | |
29 | ||
30 | class AliKalmanTrack; | |
31 | ||
32 | const Int_t kNPlane = 6; | |
33 | ||
34 | class AliESDtrack : public TObject { | |
35 | public: | |
36 | AliESDtrack(); | |
37 | AliESDtrack(const AliESDtrack& track); | |
38 | virtual ~AliESDtrack(); | |
39 | void MakeMiniESDtrack(); | |
40 | void SetID(Int_t id) { fID =id;} | |
41 | Int_t GetID(){ return fID;} | |
42 | void SetStatus(ULong_t flags) {fFlags|=flags;} | |
43 | void ResetStatus(ULong_t flags) {fFlags&=~flags;} | |
44 | Bool_t UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags); | |
45 | void SetImpactParameters(Float_t xy,Float_t z) {fD=xy; fZ=z;} | |
46 | void SetIntegratedLength(Double_t l) {fTrackLength=l;} | |
47 | void SetIntegratedTimes(const Double_t *times); | |
48 | void SetESDpid(const Double_t *p); | |
49 | void GetESDpid(Double_t *p) const; | |
50 | ||
51 | ULong_t GetStatus() const {return fFlags;} | |
52 | Int_t GetLabel() const {return fLabel;} | |
53 | void SetLabel(Int_t label) {fLabel = label;} | |
54 | Double_t GetAlpha() const {return fRalpha;} | |
55 | void GetExternalParameters(Double_t &x, Double_t p[5]) const; | |
56 | void GetExternalCovariance(Double_t cov[15]) const; | |
57 | ||
58 | Bool_t GetExternalParametersAt(Double_t x, Double_t p[5]) const; | |
59 | Bool_t GetPxPyPzAt(Double_t x, Double_t p[3]) const; | |
60 | Bool_t GetXYZAt(Double_t x, Double_t r[3]) const; | |
61 | ||
62 | void GetImpactParameters(Float_t &xy,Float_t &z) const {xy=fD; z=fZ;} | |
63 | Double_t GetD(Double_t x=0, Double_t y=0) const; //calculate the transverse impact parameter w.r.t. (x,y) | |
64 | Double_t GetIntegratedLength() const {return fTrackLength;} | |
65 | void GetIntegratedTimes(Double_t *times) const; | |
66 | Double_t GetMass() const; | |
67 | Double_t GetP() const; | |
68 | Bool_t GetPxPyPz(Double_t *p) const; | |
69 | TVector3 P3() const {Double_t p[3]; GetPxPyPz(p); return TVector3(p[0],p[1],p[2]);} //running track momentum | |
70 | Bool_t GetXYZ(Double_t *r) const; | |
71 | TVector3 X3() const {Double_t x[3]; GetXYZ(x); return TVector3(x[0],x[1],x[2]);} //running track position | |
72 | void GetCovariance(Double_t cov[21]) const; | |
73 | Int_t GetSign() const {return (fRp[4]>0) ? 1 : -1;} | |
74 | ||
75 | void SetConstrainedTrackParams(const AliKalmanTrack *t, Double_t chi2); | |
76 | ||
77 | Double_t GetConstrainedAlpha() const {return fCalpha;} | |
78 | Double_t GetConstrainedChi2() const {return fCchi2;} | |
79 | void GetConstrainedExternalParameters(Double_t &x, Double_t p[5]) const; | |
80 | void GetConstrainedExternalCovariance(Double_t cov[15]) const; | |
81 | ||
82 | Bool_t GetConstrainedPxPyPz(Double_t *p) const; | |
83 | Bool_t GetConstrainedXYZ(Double_t *r) const; | |
84 | ||
85 | Bool_t GetInnerPxPyPz(Double_t *p) const; | |
86 | Bool_t GetInnerXYZ(Double_t *r) const; | |
87 | void GetInnerExternalParameters(Double_t &x, Double_t p[5]) const;//skowron | |
88 | void GetInnerExternalCovariance(Double_t cov[15]) const;//skowron | |
89 | Double_t GetInnerAlpha() const {return fIalpha;} | |
90 | ||
91 | void SetITSpid(const Double_t *p); | |
92 | void SetITSChi2MIP(const Float_t *chi2mip); | |
93 | void SetITStrack(AliKalmanTrack * track){fITStrack=track;} | |
94 | void GetITSpid(Double_t *p) const; | |
95 | Float_t GetITSsignal() const {return fITSsignal;} | |
96 | Float_t GetITSchi2() const {return fITSchi2;} | |
97 | Int_t GetITSclusters(UInt_t *idx) const; | |
98 | Int_t GetITSLabel() const {return fITSLabel;} | |
99 | Float_t GetITSFakeRatio() const {return fITSFakeRatio;} | |
100 | AliKalmanTrack * GetITStrack(){return fITStrack;} | |
101 | ||
102 | void SetTPCpid(const Double_t *p); | |
103 | void GetTPCpid(Double_t *p) const; | |
104 | void SetTPCPoints(Float_t points[4]){for (Int_t i=0;i<4;i++) fTPCPoints[i]=points[i];} | |
105 | void SetKinkIndexes(Int_t points[3]) {for (Int_t i=0;i<3;i++) fKinkIndexes[i] = points[i];} | |
106 | void SetV0Indexes(Int_t points[3]) {for (Int_t i=0;i<3;i++) fV0Indexes[i] = points[i];} | |
107 | Float_t GetTPCsignal() const {return fTPCsignal;} | |
108 | Float_t GetTPCchi2() const {return fTPCchi2;} | |
109 | Int_t GetTPCclusters(Int_t *idx) const; | |
110 | Float_t GetTPCdensity(Int_t row0, Int_t row1) const; | |
111 | Int_t GetTPCLabel() const {return fTPCLabel;} | |
112 | Int_t GetKinkIndex(Int_t i) const { return fKinkIndexes[i];} | |
113 | Int_t GetV0Index(Int_t i) const { return fV0Indexes[i];} | |
114 | const TBits& GetTPCClusterMap() const {return fTPCClusterMap;} | |
115 | ||
116 | void SetTRDpid(const Double_t *p); | |
117 | void SetTRDQuality(Float_t quality){fTRDQuality=quality;} | |
118 | Float_t GetTRDQuality()const {return fTRDQuality;} | |
119 | void SetTRDtrack(AliKalmanTrack * track){fTRDtrack=track;} | |
120 | void SetTRDsignals(Float_t dedx, Int_t i) {fTRDsignals[i]=dedx;} | |
121 | void SetTRDTimBin(Int_t timbin, Int_t i) {fTRDTimBin[i]=timbin;} | |
122 | void GetTRDpid(Double_t *p) const; | |
123 | Float_t GetTRDsignal() const {return fTRDsignal;} | |
124 | Float_t GetTRDsignals(Int_t i) const {return fTRDsignals[i];} | |
125 | Int_t GetTRDTimBin(Int_t i) const {return fTRDTimBin[i];} | |
126 | Float_t GetTRDchi2() const {return fTRDchi2;} | |
127 | Int_t GetTRDclusters(UInt_t *idx) const; | |
128 | Int_t GetTRDncls() const {return fTRDncls;} | |
129 | void SetTRDpid(Int_t iSpecies, Float_t p); | |
130 | Float_t GetTRDpid(Int_t iSpecies) const; | |
131 | Int_t GetTRDLabel() const {return fTRDLabel;} | |
132 | void GetTRDExternalParameters(Double_t &x, Double_t &alpha, Double_t p[5], Double_t cov[15]) const;//MI | |
133 | AliKalmanTrack * GetTRDtrack(){return fTRDtrack;} | |
134 | ||
135 | void SetTOFsignal(Double_t tof) {fTOFsignal=tof;} | |
136 | Float_t GetTOFsignal() const {return fTOFsignal;} | |
137 | Float_t GetTOFchi2() const {return fTOFchi2;} | |
138 | void SetTOFpid(const Double_t *p); | |
139 | void SetTOFLabel(const Int_t *p); | |
140 | void GetTOFpid(Double_t *p) const; | |
141 | void GetTOFLabel(Int_t *p) const; | |
142 | void GetTOFInfo(Float_t *info) const; | |
143 | void SetTOFInfo(Float_t *info); | |
144 | UInt_t GetTOFcluster() const {return fTOFindex;} | |
145 | void SetTOFcluster(UInt_t index) {fTOFindex=index;} | |
146 | ||
147 | void SetRICHsignal(Double_t beta) {fRICHsignal=beta;} | |
148 | Float_t GetRICHsignal() const {return fRICHsignal;} | |
149 | void SetRICHpid(const Double_t *p); | |
150 | void GetRICHpid(Double_t *p) const; | |
151 | void SetRICHchi2(Double_t chi2) {fRICHchi2=chi2;} | |
152 | Float_t GetRICHchi2() const {return fRICHchi2;} | |
153 | void SetRICHcluster(UInt_t index) {fRICHindex=index;} | |
154 | UInt_t GetRICHcluster() const {return fRICHindex;} | |
155 | void SetRICHnclusters(Int_t n) {fRICHncls=n;} | |
156 | Int_t GetRICHnclusters() const {return fRICHncls;} | |
157 | void SetRICHthetaPhi(Double_t theta, Double_t phi) { | |
158 | fRICHtheta=theta; fRICHphi=phi; | |
159 | } | |
160 | void GetRICHthetaPhi(Double_t &theta, Double_t &phi) const { | |
161 | theta=fRICHtheta; phi=fRICHphi; | |
162 | } | |
163 | void SetRICHdxdy(Double_t dx, Double_t dy) { | |
164 | fRICHdx=dx; fRICHdy=dy; | |
165 | } | |
166 | void GetRICHdxdy(Double_t &dx, Double_t &dy) const { | |
167 | dx=fRICHdx; dy=fRICHdy; | |
168 | } | |
169 | ||
170 | void SetPHOSposition(const Double_t *pos) { | |
171 | fPHOSpos[0] = pos[0]; fPHOSpos[1]=pos[1]; fPHOSpos[2]=pos[2]; | |
172 | } | |
173 | void SetPHOSsignal(Double_t ene) {fPHOSsignal = ene; } | |
174 | void SetPHOSpid(const Double_t *p); | |
175 | void GetPHOSposition(Double_t *pos) const { | |
176 | pos[0]=fPHOSpos[0]; pos[1]=fPHOSpos[1]; pos[2]=fPHOSpos[2]; | |
177 | } | |
178 | Float_t GetPHOSsignal() const {return fPHOSsignal;} | |
179 | void GetPHOSpid(Double_t *p) const; | |
180 | ||
181 | void SetEMCALposition(const Double_t *pos) { | |
182 | fEMCALpos[0] = pos[0]; fEMCALpos[1]=pos[1]; fEMCALpos[2]=pos[2]; | |
183 | } | |
184 | void SetEMCALsignal(Double_t ene) {fEMCALsignal = ene; } | |
185 | void SetEMCALpid(const Double_t *p); | |
186 | void GetEMCALposition(Double_t *pos) const { | |
187 | pos[0]=fEMCALpos[0]; pos[1]=fEMCALpos[1]; pos[2]=fEMCALpos[2]; | |
188 | } | |
189 | Float_t GetEMCALsignal() const {return fEMCALsignal;} | |
190 | void GetEMCALpid(Double_t *p) const; | |
191 | ||
192 | Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;} | |
193 | Bool_t IsRICH() const {return fFlags&kRICHpid;} | |
194 | Bool_t IsPHOS() const {return fFlags&kPHOSpid;} | |
195 | Bool_t IsEMCAL() const {return fFlags&kEMCALpid;} | |
196 | ||
197 | virtual void Print(Option_t * opt) const ; | |
198 | ||
199 | enum { | |
200 | kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008, | |
201 | kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080, | |
202 | kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800, | |
203 | kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000, | |
204 | kPHOSpid=0x10000, kRICHpid=0x20000, kEMCALpid=0x40000, | |
205 | kTRDbackup=0x80000, | |
206 | kTRDStop=0x20000000, | |
207 | kESDpid=0x40000000, | |
208 | kTIME=0x80000000 | |
209 | }; | |
210 | protected: | |
211 | ||
212 | //AliESDtrack & operator=(const AliESDtrack & ); | |
213 | ||
214 | ULong_t fFlags; // Reconstruction status flags | |
215 | Int_t fLabel; // Track label | |
216 | Int_t fID; // Unique ID of the track | |
217 | Float_t fTrackLength; // Track length | |
218 | Float_t fD; // Impact parameter in XY-plane | |
219 | Float_t fZ; // Impact parameter in Z | |
220 | Float_t fTrackTime[AliPID::kSPECIES]; // TOFs estimated by the tracking | |
221 | Float_t fR[AliPID::kSPECIES]; // combined "detector response probability" | |
222 | ||
223 | Int_t fStopVertex; // Index of stop vertex | |
224 | ||
225 | //Running track parameters | |
226 | Double_t fRalpha; // track rotation angle | |
227 | Double_t fRx; // X-coordinate of the track reference plane | |
228 | Double_t fRp[5]; // external track parameters | |
229 | Double_t fRc[15]; // external cov. matrix of the track parameters | |
230 | ||
231 | //Track parameters constrained to the primary vertex | |
232 | Double_t fCalpha; // Track rotation angle | |
233 | Double_t fCx; // x-coordinate of the track reference plane | |
234 | Double_t fCp[5]; // external track parameters | |
235 | Double_t fCc[15]; // external cov. matrix of the track parameters | |
236 | Double_t fCchi2; //chi2 at the primary vertex | |
237 | ||
238 | //Track parameters at the inner wall of the TPC | |
239 | Double_t fIalpha; // Track rotation angle | |
240 | Double_t fIx; // x-coordinate of the track reference plane | |
241 | Double_t fIp[5]; // external track parameters | |
242 | Double_t fIc[15]; // external cov. matrix of the track parameters | |
243 | ||
244 | //Track parameters at the inner wall of the TRD | |
245 | Double_t fTalpha; // Track rotation angle | |
246 | Double_t fTx; // x-coordinate of the track reference plane | |
247 | Double_t fTp[5]; // external track parameters | |
248 | Double_t fTc[15]; // external cov. matrix of the track parameters | |
249 | ||
250 | // ITS related track information | |
251 | Float_t fITSchi2; // chi2 in the ITS | |
252 | Float_t fITSchi2MIP[12]; // chi2s in the ITS | |
253 | Int_t fITSncls; // number of clusters assigned in the ITS | |
254 | UInt_t fITSindex[6]; //! indices of the assigned ITS clusters | |
255 | Float_t fITSsignal; // detector's PID signal | |
256 | Float_t fITSr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID) | |
257 | Int_t fITSLabel; // label according TPC | |
258 | Float_t fITSFakeRatio; // ration of fake tracks | |
259 | AliKalmanTrack * fITStrack; //! OWNER: pointer to the ITS track -- currently for debug purpose | |
260 | ||
261 | // TPC related track information | |
262 | Float_t fTPCchi2; // chi2 in the TPC | |
263 | Int_t fTPCncls; // number of clusters assigned in the TPC | |
264 | Int_t fTPCindex[180]; //! indices of the assigned TPC clusters | |
265 | TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow | |
266 | Float_t fTPCsignal; // detector's PID signal | |
267 | Float_t fTPCr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID) | |
268 | Int_t fTPCLabel; // label according TPC | |
269 | Float_t fTPCPoints[4]; // TPC points -first, max. dens, last and max density | |
270 | Int_t fKinkIndexes[3]; // array of indexes of posible kink candidates | |
271 | Int_t fV0Indexes[3]; // array of indexes of posible kink candidates | |
272 | ||
273 | // TRD related track information | |
274 | Float_t fTRDchi2; // chi2 in the TRD | |
275 | Int_t fTRDncls; // number of clusters assigned in the TRD | |
276 | Int_t fTRDncls0; // number of clusters assigned in the TRD before first material cross | |
277 | UInt_t fTRDindex[130]; //! indices of the assigned TRD clusters | |
278 | Float_t fTRDsignal; // detector's PID signal | |
279 | Float_t fTRDsignals[kNPlane]; // TRD signals from all six planes | |
280 | Int_t fTRDTimBin[kNPlane]; // Time bin of Max cluster from all six planes | |
281 | Float_t fTRDr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID) | |
282 | Int_t fTRDLabel; // label according TRD | |
283 | Float_t fTRDQuality; //trd quality factor for TOF | |
284 | AliKalmanTrack * fTRDtrack; //! OWNER: pointer to the TRD track -- currently for debug purpose | |
285 | ||
286 | // TOF related track information | |
287 | Float_t fTOFchi2; // chi2 in the TOF | |
288 | UInt_t fTOFindex; // index of the assigned TOF cluster | |
289 | Float_t fTOFsignal; // detector's PID signal | |
290 | Float_t fTOFr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID) | |
291 | Int_t fTOFLabel[3]; // TOF label | |
292 | Float_t fTOFInfo[10]; // TOF informations | |
293 | ||
294 | // PHOS related track information | |
295 | Float_t fPHOSpos[3]; // position localised by PHOS in global coordinate system | |
296 | Float_t fPHOSsignal; // energy measured by PHOS | |
297 | Float_t fPHOSr[AliPID::kSPECIESN]; // PID information from PHOS | |
298 | ||
299 | // EMCAL related track information | |
300 | Float_t fEMCALpos[3]; //position localised by EMCAL in global coordinate system | |
301 | Float_t fEMCALsignal; // energy measured by EMCAL | |
302 | Float_t fEMCALr[AliPID::kSPECIESN]; // PID information from EMCAL | |
303 | ||
304 | // HMPID related track information | |
305 | Float_t fRICHchi2; // chi2 in the RICH | |
306 | Int_t fRICHncls; // number of photon clusters | |
307 | UInt_t fRICHindex; // index of the assigned MIP cluster | |
308 | Float_t fRICHsignal; // RICH PID signal | |
309 | Float_t fRICHr[AliPID::kSPECIES];// "detector response probabilities" (for the PID) | |
310 | Float_t fRICHtheta; // theta of the track extrapolated to the RICH | |
311 | Float_t fRICHphi; // phi of the track extrapolated to the RICH | |
312 | Float_t fRICHdx; // x of the track impact minus x of the MIP | |
313 | Float_t fRICHdy; // y of the track impact minus y of the MIP | |
314 | ||
315 | ClassDef(AliESDtrack,15) //ESDtrack | |
316 | }; | |
317 | ||
318 | #endif | |
319 |