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ae982df3 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
ae982df3 | 15 | //----------------------------------------------------------------- |
16 | // Implementation of the ESD track class | |
4427806c | 17 | // ESD = Event Summary Data |
15614b8b | 18 | // This is the class to deal with during the phisics analysis of data |
4427806c | 19 | // Origin: Iouri Belikov, CERN |
20 | // e-mail: Jouri.Belikov@cern.ch | |
4df45162 | 21 | // |
22 | // | |
23 | // | |
24 | // What do you need to know before starting analysis | |
25 | // (by Marian Ivanov: marian.ivanov@cern.ch) | |
26 | // | |
27 | // | |
28 | // AliESDtrack: | |
29 | // 1. What is the AliESDtrack | |
30 | // 2. What informations do we store | |
31 | // 3. How to use the information for analysis | |
32 | // | |
33 | // | |
34 | // 1.AliESDtrack is the container of the information about the track/particle | |
35 | // reconstructed during Barrel Tracking. | |
36 | // The track information is propagated from one tracking detector to | |
37 | // other using the functionality of AliESDtrack - Current parameters. | |
38 | // | |
39 | // No global fit model is used. | |
40 | // Barrel tracking use Kalman filtering technique, it gives optimal local | |
41 | // track parameters at given point under certian assumptions. | |
42 | // | |
43 | // Kalman filter take into account additional effect which are | |
44 | // difficult to handle using global fit. | |
45 | // Effects: | |
46 | // a.) Multiple scattering | |
47 | // b.) Energy loss | |
48 | // c.) Non homogenous magnetic field | |
49 | // | |
50 | // In general case, following barrel detectors are contributing to | |
51 | // the Kalman track information: | |
52 | // a. TPC | |
53 | // b. ITS | |
54 | // c. TRD | |
55 | // | |
56 | // In general 3 reconstruction itteration are performed: | |
57 | // 1. Find tracks - sequence TPC->ITS | |
58 | // 2. PropagateBack - sequence ITS->TPC->TRD -> Outer PID detectors | |
59 | // 3. Refit invward - sequence TRD->TPC->ITS | |
60 | // The current tracks are updated after each detector (see bellow). | |
61 | // In specical cases a track sanpshots are stored. | |
62 | // | |
63 | // | |
64 | // For some type of analysis (+visualization) track local parameters at | |
65 | // different position are neccesary. A snapshots during the track | |
66 | // propagation are created. | |
67 | // (See AliExternalTrackParam class for desctiption of variables and | |
68 | // functionality) | |
69 | // Snapshots: | |
70 | // a. Current parameters - class itself (AliExternalTrackParam) | |
71 | // Contributors: general case TRD->TPC->ITS | |
72 | // Preferable usage: Decission - primary or secondary track | |
73 | // NOTICE - By default the track parameters are stored at the DCA point | |
74 | // to the primary vertex. optimal for primary tracks, | |
75 | // far from optimal for secondary tracks. | |
76 | // b. Constrained parameters - Kalman information updated with | |
77 | // the Primary vertex information | |
78 | // Contributors: general case TRD->TPC->ITS | |
79 | // Preferable usage: Use only for tracks selected as primary | |
80 | // NOTICE - not real constrain - taken as additional measurement | |
81 | // with corresponding error | |
82 | // Function: | |
83 | // const AliExternalTrackParam *GetConstrainedParam() const {return fCp;} | |
84 | // c. Inner parameters - Track parameters at inner wall of the TPC | |
85 | // Contributors: general case TRD->TPC | |
86 | // function: | |
87 | // const AliExternalTrackParam *GetInnerParam() const { return fIp;} | |
88 | // | |
89 | // d. TPCinnerparam - contributors - TPC only | |
90 | // Contributors: TPC | |
91 | // Preferable usage: Requested for HBT study | |
92 | // (smaller correlations as using also ITS information) | |
93 | // NOTICE - the track parameters are propagated to the DCA to | |
94 | // to primary vertex | |
95 | // Optimal for primary, far from optimal for secondary tracks | |
96 | // Function: | |
97 | // const AliExternalTrackParam *GetTPCInnerParam() const {return fTPCInner;} | |
98 | // | |
99 | // e. Outer parameters - | |
100 | // Contributors- general case - ITS-> TPC -> TRD | |
101 | // The last point - Outer parameters radius is determined | |
102 | // e.a) Local inclination angle bigger than threshold - | |
103 | // Low momenta tracks | |
104 | // e.a) Catastrofic energy losss in material | |
105 | // e.b) Not further improvement (no space points) | |
106 | // Usage: | |
107 | // a.) Tracking: Starting parameter for Refit inward | |
108 | // b.) Visualization | |
109 | // c.) QA | |
110 | // NOTICE: Should be not used for the physic analysis | |
111 | // Function: | |
112 | // const AliExternalTrackParam *GetOuterParam() const { return fOp;} | |
113 | // | |
ae982df3 | 114 | //----------------------------------------------------------------- |
115 | ||
e1e6896f | 116 | #include <TMath.h> |
49edfa08 | 117 | #include <TParticle.h> |
c180f65d | 118 | #include <TDatabasePDG.h> |
4c3dc2a0 | 119 | #include <TMatrixD.h> |
ae982df3 | 120 | |
49d13e89 | 121 | #include "AliESDVertex.h" |
ae982df3 | 122 | #include "AliESDtrack.h" |
95621324 | 123 | #include "AliESDEvent.h" |
ae982df3 | 124 | #include "AliKalmanTrack.h" |
4f6e22bd | 125 | #include "AliVTrack.h" |
5f7789fc | 126 | #include "AliLog.h" |
15e85efa | 127 | #include "AliTrackPointArray.h" |
0c19adf7 | 128 | #include "TPolyMarker3D.h" |
4c3dc2a0 | 129 | #include "AliTrackerBase.h" |
40b4e5ea | 130 | #include "AliTPCdEdxInfo.h" |
ae982df3 | 131 | |
132 | ClassImp(AliESDtrack) | |
133 | ||
562dd0b4 | 134 | void SetPIDValues(Double_t * dest, const Double_t * src, Int_t n) { |
d27bbc79 | 135 | // This function copies "n" PID weights from "scr" to "dest" |
136 | // and normalizes their sum to 1 thus producing conditional probabilities. | |
137 | // The negative weights are set to 0. | |
138 | // In case all the weights are non-positive they are replaced by | |
139 | // uniform probabilities | |
140 | ||
141 | if (n<=0) return; | |
142 | ||
143 | Float_t uniform = 1./(Float_t)n; | |
144 | ||
145 | Float_t sum = 0; | |
146 | for (Int_t i=0; i<n; i++) | |
147 | if (src[i]>=0) { | |
148 | sum+=src[i]; | |
149 | dest[i] = src[i]; | |
150 | } | |
151 | else { | |
152 | dest[i] = 0; | |
153 | } | |
154 | ||
155 | if(sum>0) | |
156 | for (Int_t i=0; i<n; i++) dest[i] /= sum; | |
157 | else | |
158 | for (Int_t i=0; i<n; i++) dest[i] = uniform; | |
159 | } | |
160 | ||
ae982df3 | 161 | //_______________________________________________________________________ |
162 | AliESDtrack::AliESDtrack() : | |
c9ec41e8 | 163 | AliExternalTrackParam(), |
562dd0b4 | 164 | fCp(0), |
165 | fIp(0), | |
166 | fTPCInner(0), | |
167 | fOp(0), | |
c38d443f | 168 | fHMPIDp(0), |
59c31692 | 169 | fFriendTrack(NULL), |
9f638f03 | 170 | fTPCFitMap(159),//number of padrows |
562dd0b4 | 171 | fTPCClusterMap(159),//number of padrows |
172 | fTPCSharedMap(159),//number of padrows | |
90e48c0c | 173 | fFlags(0), |
90e48c0c | 174 | fID(0), |
562dd0b4 | 175 | fLabel(0), |
176 | fITSLabel(0), | |
177 | fTPCLabel(0), | |
178 | fTRDLabel(0), | |
ab37ab1e | 179 | fTOFCalChannel(-1), |
ce3f4882 | 180 | fTOFindex(-1), |
562dd0b4 | 181 | fHMPIDqn(0), |
81aa7a0d | 182 | fHMPIDcluIdx(-1), |
f1cedef3 | 183 | fCaloIndex(kEMCALNoMatch), |
562dd0b4 | 184 | fHMPIDtrkTheta(0), |
185 | fHMPIDtrkPhi(0), | |
186 | fHMPIDsignal(0), | |
90e48c0c | 187 | fTrackLength(0), |
d7ddf1e9 | 188 | fdTPC(0),fzTPC(0), |
189 | fCddTPC(0),fCdzTPC(0),fCzzTPC(0), | |
436dfe39 | 190 | fCchi2TPC(0), |
49d13e89 | 191 | fD(0),fZ(0), |
192 | fCdd(0),fCdz(0),fCzz(0), | |
562dd0b4 | 193 | fCchi2(0), |
90e48c0c | 194 | fITSchi2(0), |
90e48c0c | 195 | fTPCchi2(0), |
949840f6 | 196 | fTPCchi2Iter1(0), |
562dd0b4 | 197 | fTRDchi2(0), |
198 | fTOFchi2(0), | |
199 | fHMPIDchi2(0), | |
b5b2b4db | 200 | fGlobalChi2(0), |
562dd0b4 | 201 | fITSsignal(0), |
90e48c0c | 202 | fTPCsignal(0), |
e1d4c1b5 | 203 | fTPCsignalS(0), |
40b4e5ea | 204 | fTPCdEdxInfo(0), |
90e48c0c | 205 | fTRDsignal(0), |
90e48c0c | 206 | fTRDQuality(0), |
23d49657 | 207 | fTRDBudget(0), |
ab37ab1e | 208 | fTOFsignal(99999), |
209 | fTOFsignalToT(99999), | |
210 | fTOFsignalRaw(99999), | |
211 | fTOFsignalDz(999), | |
212 | fTOFsignalDx(999), | |
213 | fTOFdeltaBC(999), | |
214 | fTOFl0l1(999), | |
f1cedef3 | 215 | fCaloDx(0), |
216 | fCaloDz(0), | |
562dd0b4 | 217 | fHMPIDtrkX(0), |
218 | fHMPIDtrkY(0), | |
219 | fHMPIDmipX(0), | |
220 | fHMPIDmipY(0), | |
221 | fTPCncls(0), | |
222 | fTPCnclsF(0), | |
223 | fTPCsignalN(0), | |
949840f6 | 224 | fTPCnclsIter1(0), |
225 | fTPCnclsFIter1(0), | |
562dd0b4 | 226 | fITSncls(0), |
227 | fITSClusterMap(0), | |
25015f7a | 228 | fITSSharedMap(0), |
562dd0b4 | 229 | fTRDncls(0), |
230 | fTRDncls0(0), | |
ed15ef4f | 231 | fTRDntracklets(0), |
6984f7c1 | 232 | fTRDnSlices(0), |
6dc21f57 | 233 | fTRDslices(0x0), |
95621324 | 234 | fVertexID(-2),// -2 means an orphan track |
4c3dc2a0 | 235 | fESDEvent(0), |
236 | fCacheNCrossedRows(-10), | |
237 | fCacheChi2TPCConstrainedVsGlobal(-10), | |
238 | fCacheChi2TPCConstrainedVsGlobalVertex(0) | |
ae982df3 | 239 | { |
240 | // | |
241 | // The default ESD constructor | |
242 | // | |
ddfbc51a | 243 | if (!OnlineMode()) fFriendTrack=new AliESDfriendTrack(); |
244 | ||
245 | Int_t i; | |
246 | for (i=kNITSchi2Std;i--;) fITSchi2Std[i] = 0; | |
247 | for (i=0; i<AliPID::kSPECIES; i++) { | |
4a78b8c5 | 248 | fTrackTime[i]=0.; |
562dd0b4 | 249 | fR[i]=0.; |
250 | fITSr[i]=0.; | |
251 | fTPCr[i]=0.; | |
252 | fTRDr[i]=0.; | |
253 | fTOFr[i]=0.; | |
254 | fHMPIDr[i]=0.; | |
2bad268c | 255 | } |
ac2f7574 | 256 | |
ddfbc51a | 257 | for (i=0; i<3; i++) { fKinkIndexes[i]=0;} |
258 | for (i=0; i<3; i++) { fV0Indexes[i]=0;} | |
259 | for (i=0;i<kTRDnPlanes;i++) { | |
260 | fTRDTimBin[i]=0; | |
261 | } | |
262 | for (i=0;i<4;i++) {fITSdEdxSamples[i]=0.;} | |
263 | for (i=0;i<4;i++) {fTPCPoints[i]=0;} | |
264 | for (i=0;i<3;i++) {fTOFLabel[i]=-1;} | |
265 | for (i=0;i<10;i++) {fTOFInfo[i]=0;} | |
266 | for (i=0;i<12;i++) {fITSModule[i]=-1;} | |
c4d11b15 | 267 | } |
268 | ||
59c31692 | 269 | bool AliESDtrack::fgkOnlineMode=false; |
270 | ||
c4d11b15 | 271 | //_______________________________________________________________________ |
90e48c0c | 272 | AliESDtrack::AliESDtrack(const AliESDtrack& track): |
c9ec41e8 | 273 | AliExternalTrackParam(track), |
562dd0b4 | 274 | fCp(0), |
275 | fIp(0), | |
276 | fTPCInner(0), | |
277 | fOp(0), | |
c38d443f | 278 | fHMPIDp(0), |
562dd0b4 | 279 | fFriendTrack(0), |
9f638f03 | 280 | fTPCFitMap(track.fTPCFitMap), |
562dd0b4 | 281 | fTPCClusterMap(track.fTPCClusterMap), |
282 | fTPCSharedMap(track.fTPCSharedMap), | |
90e48c0c | 283 | fFlags(track.fFlags), |
90e48c0c | 284 | fID(track.fID), |
562dd0b4 | 285 | fLabel(track.fLabel), |
286 | fITSLabel(track.fITSLabel), | |
287 | fTPCLabel(track.fTPCLabel), | |
288 | fTRDLabel(track.fTRDLabel), | |
289 | fTOFCalChannel(track.fTOFCalChannel), | |
290 | fTOFindex(track.fTOFindex), | |
291 | fHMPIDqn(track.fHMPIDqn), | |
292 | fHMPIDcluIdx(track.fHMPIDcluIdx), | |
f1cedef3 | 293 | fCaloIndex(track.fCaloIndex), |
562dd0b4 | 294 | fHMPIDtrkTheta(track.fHMPIDtrkTheta), |
295 | fHMPIDtrkPhi(track.fHMPIDtrkPhi), | |
296 | fHMPIDsignal(track.fHMPIDsignal), | |
90e48c0c | 297 | fTrackLength(track.fTrackLength), |
d7ddf1e9 | 298 | fdTPC(track.fdTPC),fzTPC(track.fzTPC), |
299 | fCddTPC(track.fCddTPC),fCdzTPC(track.fCdzTPC),fCzzTPC(track.fCzzTPC), | |
436dfe39 | 300 | fCchi2TPC(track.fCchi2TPC), |
49d13e89 | 301 | fD(track.fD),fZ(track.fZ), |
302 | fCdd(track.fCdd),fCdz(track.fCdz),fCzz(track.fCzz), | |
90e48c0c | 303 | fCchi2(track.fCchi2), |
90e48c0c | 304 | fITSchi2(track.fITSchi2), |
90e48c0c | 305 | fTPCchi2(track.fTPCchi2), |
949840f6 | 306 | fTPCchi2Iter1(track.fTPCchi2Iter1), |
562dd0b4 | 307 | fTRDchi2(track.fTRDchi2), |
308 | fTOFchi2(track.fTOFchi2), | |
309 | fHMPIDchi2(track.fHMPIDchi2), | |
b5b2b4db | 310 | fGlobalChi2(track.fGlobalChi2), |
562dd0b4 | 311 | fITSsignal(track.fITSsignal), |
90e48c0c | 312 | fTPCsignal(track.fTPCsignal), |
e1d4c1b5 | 313 | fTPCsignalS(track.fTPCsignalS), |
40b4e5ea | 314 | fTPCdEdxInfo(0), |
90e48c0c | 315 | fTRDsignal(track.fTRDsignal), |
90e48c0c | 316 | fTRDQuality(track.fTRDQuality), |
23d49657 | 317 | fTRDBudget(track.fTRDBudget), |
90e48c0c | 318 | fTOFsignal(track.fTOFsignal), |
85324138 | 319 | fTOFsignalToT(track.fTOFsignalToT), |
d321691a | 320 | fTOFsignalRaw(track.fTOFsignalRaw), |
321 | fTOFsignalDz(track.fTOFsignalDz), | |
a5d9ff0f | 322 | fTOFsignalDx(track.fTOFsignalDx), |
d86081b1 | 323 | fTOFdeltaBC(track.fTOFdeltaBC), |
324 | fTOFl0l1(track.fTOFl0l1), | |
f1cedef3 | 325 | fCaloDx(track.fCaloDx), |
326 | fCaloDz(track.fCaloDz), | |
f4b3bbb7 | 327 | fHMPIDtrkX(track.fHMPIDtrkX), |
328 | fHMPIDtrkY(track.fHMPIDtrkY), | |
329 | fHMPIDmipX(track.fHMPIDmipX), | |
330 | fHMPIDmipY(track.fHMPIDmipY), | |
562dd0b4 | 331 | fTPCncls(track.fTPCncls), |
332 | fTPCnclsF(track.fTPCnclsF), | |
333 | fTPCsignalN(track.fTPCsignalN), | |
949840f6 | 334 | fTPCnclsIter1(track.fTPCnclsIter1), |
335 | fTPCnclsFIter1(track.fTPCnclsIter1), | |
562dd0b4 | 336 | fITSncls(track.fITSncls), |
337 | fITSClusterMap(track.fITSClusterMap), | |
25015f7a | 338 | fITSSharedMap(track.fITSSharedMap), |
562dd0b4 | 339 | fTRDncls(track.fTRDncls), |
340 | fTRDncls0(track.fTRDncls0), | |
ed15ef4f | 341 | fTRDntracklets(track.fTRDntracklets), |
6984f7c1 | 342 | fTRDnSlices(track.fTRDnSlices), |
6dc21f57 | 343 | fTRDslices(0x0), |
95621324 | 344 | fVertexID(track.fVertexID), |
4c3dc2a0 | 345 | fESDEvent(track.fESDEvent), |
346 | fCacheNCrossedRows(track.fCacheNCrossedRows), | |
347 | fCacheChi2TPCConstrainedVsGlobal(track.fCacheChi2TPCConstrainedVsGlobal), | |
348 | fCacheChi2TPCConstrainedVsGlobalVertex(track.fCacheChi2TPCConstrainedVsGlobalVertex) | |
90e48c0c | 349 | { |
c4d11b15 | 350 | // |
351 | //copy constructor | |
352 | // | |
e400c4a6 | 353 | for (Int_t i=kNITSchi2Std;i--;) fITSchi2Std[i] = track.fTrackTime[i]; |
ddfbc51a | 354 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTrackTime[i]=track.fTrackTime[i]; |
355 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fR[i]=track.fR[i]; | |
c4d11b15 | 356 | // |
ddfbc51a | 357 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fITSr[i]=track.fITSr[i]; |
c4d11b15 | 358 | // |
ddfbc51a | 359 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=track.fTPCr[i]; |
360 | for (Int_t i=0;i<4;i++) {fITSdEdxSamples[i]=track.fITSdEdxSamples[i];} | |
361 | for (Int_t i=0;i<4;i++) {fTPCPoints[i]=track.fTPCPoints[i];} | |
362 | for (Int_t i=0; i<3;i++) { fKinkIndexes[i]=track.fKinkIndexes[i];} | |
363 | for (Int_t i=0; i<3;i++) { fV0Indexes[i]=track.fV0Indexes[i];} | |
e546b023 | 364 | // |
ddfbc51a | 365 | for (Int_t i=0;i<kTRDnPlanes;i++) { |
366 | fTRDTimBin[i]=track.fTRDTimBin[i]; | |
6984f7c1 | 367 | } |
368 | ||
ddfbc51a | 369 | if (fTRDnSlices) { |
370 | fTRDslices=new Double32_t[fTRDnSlices]; | |
371 | for (Int_t i=0; i<fTRDnSlices; i++) fTRDslices[i]=track.fTRDslices[i]; | |
e546b023 | 372 | } |
ddfbc51a | 373 | |
374 | ||
375 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTRDr[i]=track.fTRDr[i]; | |
376 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTOFr[i]=track.fTOFr[i]; | |
377 | for (Int_t i=0;i<3;i++) fTOFLabel[i]=track.fTOFLabel[i]; | |
378 | for (Int_t i=0;i<10;i++) fTOFInfo[i]=track.fTOFInfo[i]; | |
379 | for (Int_t i=0;i<12;i++) fITSModule[i]=track.fITSModule[i]; | |
380 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fHMPIDr[i]=track.fHMPIDr[i]; | |
381 | ||
382 | if (track.fCp) fCp=new AliExternalTrackParam(*track.fCp); | |
383 | if (track.fIp) fIp=new AliExternalTrackParam(*track.fIp); | |
384 | if (track.fTPCInner) fTPCInner=new AliExternalTrackParam(*track.fTPCInner); | |
385 | if (track.fOp) fOp=new AliExternalTrackParam(*track.fOp); | |
386 | if (track.fHMPIDp) fHMPIDp=new AliExternalTrackParam(*track.fHMPIDp); | |
387 | if (track.fTPCdEdxInfo) fTPCdEdxInfo = new AliTPCdEdxInfo(*track.fTPCdEdxInfo); | |
388 | ||
389 | ||
390 | if (track.fFriendTrack) fFriendTrack=new AliESDfriendTrack(*(track.fFriendTrack)); | |
ae982df3 | 391 | } |
15e85efa | 392 | |
4f6e22bd | 393 | //_______________________________________________________________________ |
394 | AliESDtrack::AliESDtrack(const AliVTrack *track) : | |
395 | AliExternalTrackParam(track), | |
396 | fCp(0), | |
397 | fIp(0), | |
398 | fTPCInner(0), | |
399 | fOp(0), | |
c38d443f | 400 | fHMPIDp(0), |
4f6e22bd | 401 | fFriendTrack(0), |
9f638f03 | 402 | fTPCFitMap(159),//number of padrows |
4f6e22bd | 403 | fTPCClusterMap(159),//number of padrows |
404 | fTPCSharedMap(159),//number of padrows | |
405 | fFlags(0), | |
406 | fID(), | |
407 | fLabel(0), | |
408 | fITSLabel(0), | |
409 | fTPCLabel(0), | |
410 | fTRDLabel(0), | |
ab37ab1e | 411 | fTOFCalChannel(-1), |
4f6e22bd | 412 | fTOFindex(-1), |
413 | fHMPIDqn(0), | |
81aa7a0d | 414 | fHMPIDcluIdx(-1), |
f1cedef3 | 415 | fCaloIndex(kEMCALNoMatch), |
4f6e22bd | 416 | fHMPIDtrkTheta(0), |
417 | fHMPIDtrkPhi(0), | |
418 | fHMPIDsignal(0), | |
419 | fTrackLength(0), | |
420 | fdTPC(0),fzTPC(0), | |
421 | fCddTPC(0),fCdzTPC(0),fCzzTPC(0), | |
422 | fCchi2TPC(0), | |
423 | fD(0),fZ(0), | |
424 | fCdd(0),fCdz(0),fCzz(0), | |
425 | fCchi2(0), | |
426 | fITSchi2(0), | |
427 | fTPCchi2(0), | |
949840f6 | 428 | fTPCchi2Iter1(0), |
4f6e22bd | 429 | fTRDchi2(0), |
430 | fTOFchi2(0), | |
431 | fHMPIDchi2(0), | |
b5b2b4db | 432 | fGlobalChi2(0), |
4f6e22bd | 433 | fITSsignal(0), |
434 | fTPCsignal(0), | |
435 | fTPCsignalS(0), | |
40b4e5ea | 436 | fTPCdEdxInfo(0), |
4f6e22bd | 437 | fTRDsignal(0), |
438 | fTRDQuality(0), | |
439 | fTRDBudget(0), | |
ab37ab1e | 440 | fTOFsignal(99999), |
441 | fTOFsignalToT(99999), | |
442 | fTOFsignalRaw(99999), | |
443 | fTOFsignalDz(999), | |
444 | fTOFsignalDx(999), | |
445 | fTOFdeltaBC(999), | |
446 | fTOFl0l1(999), | |
f1cedef3 | 447 | fCaloDx(0), |
448 | fCaloDz(0), | |
4f6e22bd | 449 | fHMPIDtrkX(0), |
450 | fHMPIDtrkY(0), | |
451 | fHMPIDmipX(0), | |
452 | fHMPIDmipY(0), | |
453 | fTPCncls(0), | |
454 | fTPCnclsF(0), | |
455 | fTPCsignalN(0), | |
949840f6 | 456 | fTPCnclsIter1(0), |
457 | fTPCnclsFIter1(0), | |
4f6e22bd | 458 | fITSncls(0), |
459 | fITSClusterMap(0), | |
25015f7a | 460 | fITSSharedMap(0), |
4f6e22bd | 461 | fTRDncls(0), |
462 | fTRDncls0(0), | |
ed15ef4f | 463 | fTRDntracklets(0), |
4f6e22bd | 464 | fTRDnSlices(0), |
6dc21f57 | 465 | fTRDslices(0x0), |
95621324 | 466 | fVertexID(-2), // -2 means an orphan track |
4c3dc2a0 | 467 | fESDEvent(0), |
468 | fCacheNCrossedRows(-10), | |
469 | fCacheChi2TPCConstrainedVsGlobal(-10), | |
470 | fCacheChi2TPCConstrainedVsGlobalVertex(0) | |
4f6e22bd | 471 | { |
472 | // | |
610e3088 | 473 | // ESD track from AliVTrack. |
474 | // This is not a copy constructor ! | |
4f6e22bd | 475 | // |
476 | ||
610e3088 | 477 | if (track->InheritsFrom("AliExternalTrackParam")) { |
478 | AliError("This is not a copy constructor. Use AliESDtrack(const AliESDtrack &) !"); | |
479 | AliWarning("Calling the default constructor..."); | |
480 | AliESDtrack(); | |
481 | return; | |
482 | } | |
483 | ||
4f6e22bd | 484 | // Reset all the arrays |
ddfbc51a | 485 | Int_t i; |
486 | for (i=kNITSchi2Std;i--;) fITSchi2Std[i] = 0; | |
487 | for (i=0; i<AliPID::kSPECIES; i++) { | |
4f6e22bd | 488 | fTrackTime[i]=0.; |
489 | fR[i]=0.; | |
490 | fITSr[i]=0.; | |
491 | fTPCr[i]=0.; | |
492 | fTRDr[i]=0.; | |
493 | fTOFr[i]=0.; | |
494 | fHMPIDr[i]=0.; | |
495 | } | |
496 | ||
ddfbc51a | 497 | for (i=0; i<3; i++) { fKinkIndexes[i]=0;} |
498 | for (i=0; i<3; i++) { fV0Indexes[i]=-1;} | |
499 | for (i=0;i<kTRDnPlanes;i++) { | |
500 | fTRDTimBin[i]=0; | |
501 | } | |
502 | for (i=0;i<4;i++) {fITSdEdxSamples[i]=0.;} | |
503 | for (i=0;i<4;i++) {fTPCPoints[i]=0;} | |
504 | for (i=0;i<3;i++) {fTOFLabel[i]=-1;} | |
505 | for (i=0;i<10;i++) {fTOFInfo[i]=0;} | |
506 | for (i=0;i<12;i++) {fITSModule[i]=-1;} | |
4f6e22bd | 507 | |
508 | // Set the ID | |
509 | SetID(track->GetID()); | |
510 | ||
511 | // Set ITS cluster map | |
512 | fITSClusterMap=track->GetITSClusterMap(); | |
25015f7a | 513 | fITSSharedMap=0; |
4f6e22bd | 514 | |
d577eec9 | 515 | fITSncls=0; |
ddfbc51a | 516 | for(i=0; i<6; i++) { |
517 | if(HasPointOnITSLayer(i)) fITSncls++; | |
518 | } | |
519 | ||
07cc7a48 | 520 | // Set TPC ncls |
521 | fTPCncls=track->GetTPCNcls(); | |
ddfbc51a | 522 | |
523 | ||
4f6e22bd | 524 | // Set the combined PID |
525 | const Double_t *pid = track->PID(); | |
ddfbc51a | 526 | if(pid){ |
527 | for (i=0; i<AliPID::kSPECIES; i++) fR[i]=pid[i]; | |
528 | } | |
4f6e22bd | 529 | // AliESD track label |
530 | SetLabel(track->GetLabel()); | |
39ca41b3 | 531 | // Set the status |
532 | SetStatus(track->GetStatus()); | |
4f6e22bd | 533 | } |
534 | ||
49edfa08 | 535 | //_______________________________________________________________________ |
536 | AliESDtrack::AliESDtrack(TParticle * part) : | |
537 | AliExternalTrackParam(), | |
562dd0b4 | 538 | fCp(0), |
539 | fIp(0), | |
540 | fTPCInner(0), | |
541 | fOp(0), | |
c38d443f | 542 | fHMPIDp(0), |
562dd0b4 | 543 | fFriendTrack(0), |
9f638f03 | 544 | fTPCFitMap(159),//number of padrows |
562dd0b4 | 545 | fTPCClusterMap(159),//number of padrows |
546 | fTPCSharedMap(159),//number of padrows | |
49edfa08 | 547 | fFlags(0), |
49edfa08 | 548 | fID(0), |
562dd0b4 | 549 | fLabel(0), |
550 | fITSLabel(0), | |
551 | fTPCLabel(0), | |
552 | fTRDLabel(0), | |
ab37ab1e | 553 | fTOFCalChannel(-1), |
ce3f4882 | 554 | fTOFindex(-1), |
562dd0b4 | 555 | fHMPIDqn(0), |
81aa7a0d | 556 | fHMPIDcluIdx(-1), |
f1cedef3 | 557 | fCaloIndex(kEMCALNoMatch), |
562dd0b4 | 558 | fHMPIDtrkTheta(0), |
559 | fHMPIDtrkPhi(0), | |
560 | fHMPIDsignal(0), | |
49edfa08 | 561 | fTrackLength(0), |
d7ddf1e9 | 562 | fdTPC(0),fzTPC(0), |
563 | fCddTPC(0),fCdzTPC(0),fCzzTPC(0), | |
436dfe39 | 564 | fCchi2TPC(0), |
49edfa08 | 565 | fD(0),fZ(0), |
566 | fCdd(0),fCdz(0),fCzz(0), | |
562dd0b4 | 567 | fCchi2(0), |
49edfa08 | 568 | fITSchi2(0), |
49edfa08 | 569 | fTPCchi2(0), |
949840f6 | 570 | fTPCchi2Iter1(0), |
562dd0b4 | 571 | fTRDchi2(0), |
572 | fTOFchi2(0), | |
573 | fHMPIDchi2(0), | |
b5b2b4db | 574 | fGlobalChi2(0), |
562dd0b4 | 575 | fITSsignal(0), |
49edfa08 | 576 | fTPCsignal(0), |
49edfa08 | 577 | fTPCsignalS(0), |
40b4e5ea | 578 | fTPCdEdxInfo(0), |
49edfa08 | 579 | fTRDsignal(0), |
49edfa08 | 580 | fTRDQuality(0), |
581 | fTRDBudget(0), | |
ab37ab1e | 582 | fTOFsignal(99999), |
583 | fTOFsignalToT(99999), | |
584 | fTOFsignalRaw(99999), | |
585 | fTOFsignalDz(999), | |
586 | fTOFsignalDx(999), | |
587 | fTOFdeltaBC(999), | |
588 | fTOFl0l1(999), | |
f1cedef3 | 589 | fCaloDx(0), |
590 | fCaloDz(0), | |
562dd0b4 | 591 | fHMPIDtrkX(0), |
592 | fHMPIDtrkY(0), | |
593 | fHMPIDmipX(0), | |
594 | fHMPIDmipY(0), | |
595 | fTPCncls(0), | |
596 | fTPCnclsF(0), | |
597 | fTPCsignalN(0), | |
949840f6 | 598 | fTPCnclsIter1(0), |
599 | fTPCnclsFIter1(0), | |
562dd0b4 | 600 | fITSncls(0), |
601 | fITSClusterMap(0), | |
25015f7a | 602 | fITSSharedMap(0), |
562dd0b4 | 603 | fTRDncls(0), |
604 | fTRDncls0(0), | |
ed15ef4f | 605 | fTRDntracklets(0), |
6984f7c1 | 606 | fTRDnSlices(0), |
6dc21f57 | 607 | fTRDslices(0x0), |
95621324 | 608 | fVertexID(-2), // -2 means an orphan track |
4c3dc2a0 | 609 | fESDEvent(0), |
610 | fCacheNCrossedRows(-10), | |
611 | fCacheChi2TPCConstrainedVsGlobal(-10), | |
612 | fCacheChi2TPCConstrainedVsGlobalVertex(0) | |
49edfa08 | 613 | { |
614 | // | |
615 | // ESD track from TParticle | |
616 | // | |
617 | ||
618 | // Reset all the arrays | |
ddfbc51a | 619 | Int_t i; |
620 | for (i=kNITSchi2Std;i--;) fITSchi2Std[i] = 0; | |
621 | for (i=0; i<AliPID::kSPECIES; i++) { | |
49edfa08 | 622 | fTrackTime[i]=0.; |
623 | fR[i]=0.; | |
624 | fITSr[i]=0.; | |
625 | fTPCr[i]=0.; | |
626 | fTRDr[i]=0.; | |
627 | fTOFr[i]=0.; | |
f4b3bbb7 | 628 | fHMPIDr[i]=0.; |
49edfa08 | 629 | } |
630 | ||
ddfbc51a | 631 | for (i=0; i<3; i++) { fKinkIndexes[i]=0;} |
632 | for (i=0; i<3; i++) { fV0Indexes[i]=-1;} | |
633 | for (i=0;i<kTRDnPlanes;i++) { | |
634 | fTRDTimBin[i]=0; | |
635 | } | |
636 | for (i=0;i<4;i++) {fITSdEdxSamples[i]=0.;} | |
637 | for (i=0;i<4;i++) {fTPCPoints[i]=0;} | |
638 | for (i=0;i<3;i++) {fTOFLabel[i]=-1;} | |
639 | for (i=0;i<10;i++) {fTOFInfo[i]=0;} | |
640 | for (i=0;i<12;i++) {fITSModule[i]=-1;} | |
49edfa08 | 641 | |
642 | // Calculate the AliExternalTrackParam content | |
643 | ||
644 | Double_t xref; | |
645 | Double_t alpha; | |
646 | Double_t param[5]; | |
647 | Double_t covar[15]; | |
648 | ||
649 | // Calculate alpha: the rotation angle of the corresponding local system (TPC sector) | |
650 | alpha = part->Phi()*180./TMath::Pi(); | |
651 | if (alpha<0) alpha+= 360.; | |
652 | if (alpha>360) alpha -= 360.; | |
653 | ||
654 | Int_t sector = (Int_t)(alpha/20.); | |
655 | alpha = 10. + 20.*sector; | |
656 | alpha /= 180; | |
657 | alpha *= TMath::Pi(); | |
658 | ||
659 | // Covariance matrix: no errors, the parameters are exact | |
ddfbc51a | 660 | for (i=0; i<15; i++) covar[i]=0.; |
49edfa08 | 661 | |
662 | // Get the vertex of origin and the momentum | |
663 | TVector3 ver(part->Vx(),part->Vy(),part->Vz()); | |
664 | TVector3 mom(part->Px(),part->Py(),part->Pz()); | |
665 | ||
666 | // Rotate to the local coordinate system (TPC sector) | |
667 | ver.RotateZ(-alpha); | |
668 | mom.RotateZ(-alpha); | |
669 | ||
670 | // X of the referense plane | |
671 | xref = ver.X(); | |
672 | ||
673 | Int_t pdgCode = part->GetPdgCode(); | |
674 | ||
675 | Double_t charge = | |
676 | TDatabasePDG::Instance()->GetParticle(pdgCode)->Charge(); | |
677 | ||
678 | param[0] = ver.Y(); | |
679 | param[1] = ver.Z(); | |
680 | param[2] = TMath::Sin(mom.Phi()); | |
681 | param[3] = mom.Pz()/mom.Pt(); | |
682 | param[4] = TMath::Sign(1/mom.Pt(),charge); | |
683 | ||
684 | // Set AliExternalTrackParam | |
685 | Set(xref, alpha, param, covar); | |
686 | ||
687 | // Set the PID | |
688 | Int_t indexPID = 99; | |
689 | ||
690 | switch (TMath::Abs(pdgCode)) { | |
691 | ||
692 | case 11: // electron | |
693 | indexPID = 0; | |
694 | break; | |
695 | ||
696 | case 13: // muon | |
697 | indexPID = 1; | |
698 | break; | |
699 | ||
700 | case 211: // pion | |
701 | indexPID = 2; | |
702 | break; | |
703 | ||
704 | case 321: // kaon | |
705 | indexPID = 3; | |
706 | break; | |
707 | ||
708 | case 2212: // proton | |
709 | indexPID = 4; | |
710 | break; | |
711 | ||
712 | default: | |
713 | break; | |
714 | } | |
715 | ||
716 | // If the particle is not e,mu,pi,K or p the PID probabilities are set to 0 | |
717 | if (indexPID < AliPID::kSPECIES) { | |
718 | fR[indexPID]=1.; | |
719 | fITSr[indexPID]=1.; | |
720 | fTPCr[indexPID]=1.; | |
721 | fTRDr[indexPID]=1.; | |
722 | fTOFr[indexPID]=1.; | |
f4b3bbb7 | 723 | fHMPIDr[indexPID]=1.; |
49edfa08 | 724 | |
725 | } | |
726 | // AliESD track label | |
727 | SetLabel(part->GetUniqueID()); | |
728 | ||
729 | } | |
730 | ||
c4d11b15 | 731 | //_______________________________________________________________________ |
732 | AliESDtrack::~AliESDtrack(){ | |
733 | // | |
734 | // This is destructor according Coding Conventrions | |
735 | // | |
736 | //printf("Delete track\n"); | |
ddfbc51a | 737 | delete fIp; |
738 | delete fTPCInner; | |
739 | delete fOp; | |
740 | delete fHMPIDp; | |
741 | delete fCp; | |
742 | if (fFriendTrack) delete fFriendTrack; | |
743 | if (fTPCdEdxInfo) delete fTPCdEdxInfo; | |
744 | fFriendTrack=NULL; | |
745 | if(fTRDnSlices) | |
746 | delete[] fTRDslices; | |
b5732bf0 | 747 | |
748 | //Reset cached values - needed for TClonesArray in AliESDInputHandler | |
749 | fCacheNCrossedRows = -10.; | |
750 | fCacheChi2TPCConstrainedVsGlobal = -10.; | |
751 | if(fCacheChi2TPCConstrainedVsGlobalVertex) fCacheChi2TPCConstrainedVsGlobalVertex = 0; | |
752 | ||
ddfbc51a | 753 | } |
754 | ||
755 | AliESDtrack &AliESDtrack::operator=(const AliESDtrack &source){ | |
756 | ||
732a24fe | 757 | |
758 | if(&source == this) return *this; | |
759 | AliExternalTrackParam::operator=(source); | |
760 | ||
ddfbc51a | 761 | |
762 | if(source.fCp){ | |
763 | // we have the trackparam: assign or copy construct | |
764 | if(fCp)*fCp = *source.fCp; | |
765 | else fCp = new AliExternalTrackParam(*source.fCp); | |
732a24fe | 766 | } |
ddfbc51a | 767 | else{ |
768 | // no track param delete the old one | |
769 | if(fCp)delete fCp; | |
770 | fCp = 0; | |
732a24fe | 771 | } |
ddfbc51a | 772 | |
773 | if(source.fIp){ | |
774 | // we have the trackparam: assign or copy construct | |
775 | if(fIp)*fIp = *source.fIp; | |
776 | else fIp = new AliExternalTrackParam(*source.fIp); | |
732a24fe | 777 | } |
ddfbc51a | 778 | else{ |
779 | // no track param delete the old one | |
780 | if(fIp)delete fIp; | |
781 | fIp = 0; | |
732a24fe | 782 | } |
ddfbc51a | 783 | |
784 | ||
785 | if(source.fTPCInner){ | |
786 | // we have the trackparam: assign or copy construct | |
787 | if(fTPCInner) *fTPCInner = *source.fTPCInner; | |
788 | else fTPCInner = new AliExternalTrackParam(*source.fTPCInner); | |
732a24fe | 789 | } |
ddfbc51a | 790 | else{ |
791 | // no track param delete the old one | |
792 | if(fTPCInner)delete fTPCInner; | |
793 | fTPCInner = 0; | |
40b4e5ea | 794 | } |
ddfbc51a | 795 | |
796 | if(source.fTPCdEdxInfo) { | |
797 | if(fTPCdEdxInfo) *fTPCdEdxInfo = *source.fTPCdEdxInfo; | |
798 | fTPCdEdxInfo = new AliTPCdEdxInfo(*source.fTPCdEdxInfo); | |
732a24fe | 799 | } |
ddfbc51a | 800 | |
801 | if(source.fOp){ | |
802 | // we have the trackparam: assign or copy construct | |
803 | if(fOp) *fOp = *source.fOp; | |
804 | else fOp = new AliExternalTrackParam(*source.fOp); | |
732a24fe | 805 | } |
ddfbc51a | 806 | else{ |
807 | // no track param delete the old one | |
808 | if(fOp)delete fOp; | |
809 | fOp = 0; | |
c38d443f | 810 | } |
ddfbc51a | 811 | |
812 | ||
813 | if(source.fHMPIDp){ | |
814 | // we have the trackparam: assign or copy construct | |
815 | if(fHMPIDp) *fHMPIDp = *source.fHMPIDp; | |
816 | else fHMPIDp = new AliExternalTrackParam(*source.fHMPIDp); | |
c38d443f | 817 | } |
ddfbc51a | 818 | else{ |
819 | // no track param delete the old one | |
820 | if(fHMPIDp)delete fHMPIDp; | |
821 | fHMPIDp = 0; | |
e546b023 | 822 | } |
ddfbc51a | 823 | |
732a24fe | 824 | // copy also the friend track |
825 | // use copy constructor | |
ddfbc51a | 826 | if(source.fFriendTrack){ |
827 | // we have the trackparam: assign or copy construct | |
828 | delete fFriendTrack; fFriendTrack=new AliESDfriendTrack(*source.fFriendTrack); | |
732a24fe | 829 | } |
ddfbc51a | 830 | else{ |
831 | // no track param delete the old one | |
832 | delete fFriendTrack; fFriendTrack= 0; | |
833 | } | |
834 | ||
835 | fTPCFitMap = source.fTPCFitMap; | |
732a24fe | 836 | fTPCClusterMap = source.fTPCClusterMap; |
837 | fTPCSharedMap = source.fTPCSharedMap; | |
838 | // the simple stuff | |
839 | fFlags = source.fFlags; | |
840 | fID = source.fID; | |
841 | fLabel = source.fLabel; | |
842 | fITSLabel = source.fITSLabel; | |
ddfbc51a | 843 | for(int i = 0; i< 12;++i){ |
844 | fITSModule[i] = source.fITSModule[i]; | |
845 | } | |
732a24fe | 846 | fTPCLabel = source.fTPCLabel; |
847 | fTRDLabel = source.fTRDLabel; | |
ddfbc51a | 848 | for(int i = 0; i< 3;++i){ |
849 | fTOFLabel[i] = source.fTOFLabel[i]; | |
850 | } | |
732a24fe | 851 | fTOFCalChannel = source.fTOFCalChannel; |
852 | fTOFindex = source.fTOFindex; | |
853 | fHMPIDqn = source.fHMPIDqn; | |
854 | fHMPIDcluIdx = source.fHMPIDcluIdx; | |
f1cedef3 | 855 | fCaloIndex = source.fCaloIndex; |
e400c4a6 | 856 | for (int i=kNITSchi2Std;i--;) fITSchi2Std[i] = source.fITSchi2Std[i]; |
ddfbc51a | 857 | for(int i = 0; i< 3;++i){ |
732a24fe | 858 | fKinkIndexes[i] = source.fKinkIndexes[i]; |
859 | fV0Indexes[i] = source.fV0Indexes[i]; | |
860 | } | |
ddfbc51a | 861 | |
862 | for(int i = 0; i< AliPID::kSPECIES;++i){ | |
732a24fe | 863 | fR[i] = source.fR[i]; |
864 | fITSr[i] = source.fITSr[i]; | |
865 | fTPCr[i] = source.fTPCr[i]; | |
866 | fTRDr[i] = source.fTRDr[i]; | |
867 | fTOFr[i] = source.fTOFr[i]; | |
868 | fHMPIDr[i] = source.fHMPIDr[i]; | |
869 | fTrackTime[i] = source.fTrackTime[i]; | |
870 | } | |
ddfbc51a | 871 | |
732a24fe | 872 | fHMPIDtrkTheta = source.fHMPIDtrkTheta; |
873 | fHMPIDtrkPhi = source.fHMPIDtrkPhi; | |
874 | fHMPIDsignal = source.fHMPIDsignal; | |
ddfbc51a | 875 | |
876 | ||
732a24fe | 877 | fTrackLength = source. fTrackLength; |
d7ddf1e9 | 878 | fdTPC = source.fdTPC; |
879 | fzTPC = source.fzTPC; | |
880 | fCddTPC = source.fCddTPC; | |
881 | fCdzTPC = source.fCdzTPC; | |
882 | fCzzTPC = source.fCzzTPC; | |
436dfe39 | 883 | fCchi2TPC = source.fCchi2TPC; |
ddfbc51a | 884 | |
732a24fe | 885 | fD = source.fD; |
886 | fZ = source.fZ; | |
887 | fCdd = source.fCdd; | |
888 | fCdz = source.fCdz; | |
889 | fCzz = source.fCzz; | |
732a24fe | 890 | fCchi2 = source.fCchi2; |
ddfbc51a | 891 | |
732a24fe | 892 | fITSchi2 = source.fITSchi2; |
893 | fTPCchi2 = source.fTPCchi2; | |
949840f6 | 894 | fTPCchi2Iter1 = source.fTPCchi2Iter1; |
732a24fe | 895 | fTRDchi2 = source.fTRDchi2; |
896 | fTOFchi2 = source.fTOFchi2; | |
897 | fHMPIDchi2 = source.fHMPIDchi2; | |
ddfbc51a | 898 | |
b5b2b4db | 899 | fGlobalChi2 = source.fGlobalChi2; |
ddfbc51a | 900 | |
732a24fe | 901 | fITSsignal = source.fITSsignal; |
ddfbc51a | 902 | for (Int_t i=0;i<4;i++) {fITSdEdxSamples[i]=source.fITSdEdxSamples[i];} |
732a24fe | 903 | fTPCsignal = source.fTPCsignal; |
904 | fTPCsignalS = source.fTPCsignalS; | |
ddfbc51a | 905 | for(int i = 0; i< 4;++i){ |
906 | fTPCPoints[i] = source.fTPCPoints[i]; | |
907 | } | |
732a24fe | 908 | fTRDsignal = source.fTRDsignal; |
ddfbc51a | 909 | |
910 | for(int i = 0;i < kTRDnPlanes;++i){ | |
911 | fTRDTimBin[i] = source.fTRDTimBin[i]; | |
732a24fe | 912 | } |
ddfbc51a | 913 | |
914 | if(fTRDnSlices) | |
915 | delete[] fTRDslices; | |
916 | fTRDslices=0; | |
917 | fTRDnSlices=source.fTRDnSlices; | |
6984f7c1 | 918 | if (fTRDnSlices) { |
ddfbc51a | 919 | fTRDslices=new Double32_t[fTRDnSlices]; |
920 | for(int j = 0;j < fTRDnSlices;++j) fTRDslices[j] = source.fTRDslices[j]; | |
6984f7c1 | 921 | } |
ddfbc51a | 922 | |
732a24fe | 923 | fTRDQuality = source.fTRDQuality; |
924 | fTRDBudget = source.fTRDBudget; | |
925 | fTOFsignal = source.fTOFsignal; | |
926 | fTOFsignalToT = source.fTOFsignalToT; | |
927 | fTOFsignalRaw = source.fTOFsignalRaw; | |
928 | fTOFsignalDz = source.fTOFsignalDz; | |
a5d9ff0f | 929 | fTOFsignalDx = source.fTOFsignalDx; |
d86081b1 | 930 | fTOFdeltaBC = source.fTOFdeltaBC; |
931 | fTOFl0l1 = source.fTOFl0l1; | |
ddfbc51a | 932 | |
933 | for(int i = 0;i<10;++i){ | |
934 | fTOFInfo[i] = source.fTOFInfo[i]; | |
935 | } | |
936 | ||
732a24fe | 937 | fHMPIDtrkX = source.fHMPIDtrkX; |
938 | fHMPIDtrkY = source.fHMPIDtrkY; | |
939 | fHMPIDmipX = source.fHMPIDmipX; | |
940 | fHMPIDmipY = source.fHMPIDmipY; | |
941 | ||
942 | fTPCncls = source.fTPCncls; | |
943 | fTPCnclsF = source.fTPCnclsF; | |
944 | fTPCsignalN = source.fTPCsignalN; | |
949840f6 | 945 | fTPCnclsIter1 = source.fTPCnclsIter1; |
946 | fTPCnclsFIter1 = source.fTPCnclsFIter1; | |
732a24fe | 947 | |
948 | fITSncls = source.fITSncls; | |
949 | fITSClusterMap = source.fITSClusterMap; | |
25015f7a | 950 | fITSSharedMap = source.fITSSharedMap; |
732a24fe | 951 | fTRDncls = source.fTRDncls; |
952 | fTRDncls0 = source.fTRDncls0; | |
ed15ef4f | 953 | fTRDntracklets = source.fTRDntracklets; |
6dc21f57 | 954 | fVertexID = source.fVertexID; |
b5732bf0 | 955 | |
956 | fCacheNCrossedRows = source.fCacheNCrossedRows; | |
957 | fCacheChi2TPCConstrainedVsGlobal = source.fCacheChi2TPCConstrainedVsGlobal; | |
958 | fCacheChi2TPCConstrainedVsGlobalVertex = source.fCacheChi2TPCConstrainedVsGlobalVertex; | |
959 | ||
732a24fe | 960 | return *this; |
961 | } | |
962 | ||
ddfbc51a | 963 | |
964 | ||
732a24fe | 965 | void AliESDtrack::Copy(TObject &obj) const { |
966 | ||
967 | // this overwrites the virtual TOBject::Copy() | |
968 | // to allow run time copying without casting | |
969 | // in AliESDEvent | |
970 | ||
971 | if(this==&obj)return; | |
972 | AliESDtrack *robj = dynamic_cast<AliESDtrack*>(&obj); | |
973 | if(!robj)return; // not an AliESDtrack | |
974 | *robj = *this; | |
975 | ||
976 | } | |
977 | ||
ddfbc51a | 978 | |
979 | ||
00dce61a | 980 | void AliESDtrack::AddCalibObject(TObject * object){ |
981 | // | |
982 | // add calib object to the list | |
983 | // | |
ddfbc51a | 984 | if (!fFriendTrack) fFriendTrack = new AliESDfriendTrack; |
59c31692 | 985 | if (!fFriendTrack) return; |
00dce61a | 986 | fFriendTrack->AddCalibObject(object); |
987 | } | |
988 | ||
989 | TObject * AliESDtrack::GetCalibObject(Int_t index){ | |
990 | // | |
991 | // return calib objct at given position | |
992 | // | |
993 | if (!fFriendTrack) return 0; | |
994 | return fFriendTrack->GetCalibObject(index); | |
995 | } | |
996 | ||
997 | ||
f12d42ce | 998 | Bool_t AliESDtrack::FillTPCOnlyTrack(AliESDtrack &track){ |
b9ca886f | 999 | |
1000 | // Fills the information of the TPC-only first reconstruction pass | |
1001 | // into the passed ESDtrack object. For consistency fTPCInner is also filled | |
1002 | // again | |
1003 | ||
ddfbc51a | 1004 | |
1005 | ||
5b305f70 | 1006 | // For data produced before r26675 |
1007 | // RelateToVertexTPC was not properly called during reco | |
1008 | // so you'll have to call it again, before FillTPCOnlyTrack | |
1009 | // Float_t p[2],cov[3]; | |
1010 | // track->GetImpactParametersTPC(p,cov); | |
1011 | // if(p[0]==0&&p[1]==0) // <- Default values | |
1012 | // track->RelateToVertexTPC(esd->GetPrimaryVertexTPC(),esd->GetMagneticField(),kVeryBig); | |
1013 | ||
1014 | ||
ddfbc51a | 1015 | if(!fTPCInner)return kFALSE; |
b9ca886f | 1016 | |
1017 | // fill the TPC track params to the global track parameters | |
1018 | track.Set(fTPCInner->GetX(),fTPCInner->GetAlpha(),fTPCInner->GetParameter(),fTPCInner->GetCovariance()); | |
1019 | track.fD = fdTPC; | |
1020 | track.fZ = fzTPC; | |
1021 | track.fCdd = fCddTPC; | |
1022 | track.fCdz = fCdzTPC; | |
1023 | track.fCzz = fCzzTPC; | |
ddfbc51a | 1024 | |
67ed91d3 | 1025 | // copy the inner params |
ddfbc51a | 1026 | if(track.fIp) *track.fIp = *fIp; |
1027 | else track.fIp = new AliExternalTrackParam(*fIp); | |
1028 | ||
b9ca886f | 1029 | // copy the TPCinner parameters |
ddfbc51a | 1030 | if(track.fTPCInner) *track.fTPCInner = *fTPCInner; |
1031 | else track.fTPCInner = new AliExternalTrackParam(*fTPCInner); | |
b9ca886f | 1032 | track.fdTPC = fdTPC; |
1033 | track.fzTPC = fzTPC; | |
1034 | track.fCddTPC = fCddTPC; | |
1035 | track.fCdzTPC = fCdzTPC; | |
1036 | track.fCzzTPC = fCzzTPC; | |
436dfe39 | 1037 | track.fCchi2TPC = fCchi2TPC; |
b9ca886f | 1038 | |
b9ca886f | 1039 | // copy all other TPC specific parameters |
1040 | ||
1041 | // replace label by TPC label | |
1042 | track.fLabel = fTPCLabel; | |
1043 | track.fTPCLabel = fTPCLabel; | |
1044 | ||
1045 | track.fTPCchi2 = fTPCchi2; | |
949840f6 | 1046 | track.fTPCchi2Iter1 = fTPCchi2Iter1; |
b9ca886f | 1047 | track.fTPCsignal = fTPCsignal; |
1048 | track.fTPCsignalS = fTPCsignalS; | |
ddfbc51a | 1049 | for(int i = 0;i<4;++i)track.fTPCPoints[i] = fTPCPoints[i]; |
b9ca886f | 1050 | |
1051 | track.fTPCncls = fTPCncls; | |
1052 | track.fTPCnclsF = fTPCnclsF; | |
1053 | track.fTPCsignalN = fTPCsignalN; | |
949840f6 | 1054 | track.fTPCnclsIter1 = fTPCnclsIter1; |
1055 | track.fTPCnclsFIter1 = fTPCnclsFIter1; | |
b9ca886f | 1056 | |
1057 | // PID | |
ddfbc51a | 1058 | for(int i=0;i<AliPID::kSPECIES;++i){ |
b9ca886f | 1059 | track.fTPCr[i] = fTPCr[i]; |
1060 | // combined PID is TPC only! | |
1061 | track.fR[i] = fTPCr[i]; | |
1062 | } | |
9f638f03 | 1063 | track.fTPCFitMap = fTPCFitMap; |
b9ca886f | 1064 | track.fTPCClusterMap = fTPCClusterMap; |
1065 | track.fTPCSharedMap = fTPCSharedMap; | |
ddfbc51a | 1066 | |
1067 | ||
b9ca886f | 1068 | // reset the flags |
1069 | track.fFlags = kTPCin; | |
1070 | track.fID = fID; | |
1071 | ||
b1cfce51 | 1072 | track.fFlags |= fFlags & kTPCpid; //copy the TPCpid status flag |
b9ca886f | 1073 | |
ddfbc51a | 1074 | for (Int_t i=0;i<3;i++) track.fKinkIndexes[i] = fKinkIndexes[i]; |
b9ca886f | 1075 | |
1076 | return kTRUE; | |
ddfbc51a | 1077 | |
b9ca886f | 1078 | } |
1079 | ||
9559cbc4 | 1080 | //_______________________________________________________________________ |
1081 | void AliESDtrack::MakeMiniESDtrack(){ | |
1082 | // Resets everything except | |
1083 | // fFlags: Reconstruction status flags | |
1084 | // fLabel: Track label | |
1085 | // fID: Unique ID of the track | |
d7ddf1e9 | 1086 | // Impact parameter information |
9559cbc4 | 1087 | // fR[AliPID::kSPECIES]: combined "detector response probability" |
8497bca0 | 1088 | // Running track parameters in the base class (AliExternalTrackParam) |
9559cbc4 | 1089 | |
1090 | fTrackLength = 0; | |
562dd0b4 | 1091 | |
ddfbc51a | 1092 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTrackTime[i] = 0; |
1093 | ||
9559cbc4 | 1094 | // Reset track parameters constrained to the primary vertex |
ddfbc51a | 1095 | delete fCp;fCp = 0; |
1096 | ||
9559cbc4 | 1097 | // Reset track parameters at the inner wall of TPC |
ddfbc51a | 1098 | delete fIp;fIp = 0; |
1099 | delete fTPCInner;fTPCInner=0; | |
9559cbc4 | 1100 | // Reset track parameters at the inner wall of the TRD |
ddfbc51a | 1101 | delete fOp;fOp = 0; |
c38d443f | 1102 | // Reset track parameters at the HMPID |
ddfbc51a | 1103 | delete fHMPIDp;fHMPIDp = 0; |
1104 | ||
1105 | ||
9559cbc4 | 1106 | // Reset ITS track related information |
1107 | fITSchi2 = 0; | |
9559cbc4 | 1108 | fITSncls = 0; |
62665e7f | 1109 | fITSClusterMap=0; |
25015f7a | 1110 | fITSSharedMap=0; |
9559cbc4 | 1111 | fITSsignal = 0; |
ddfbc51a | 1112 | for (Int_t i=0;i<4;i++) fITSdEdxSamples[i] = 0.; |
1113 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fITSr[i]=0; | |
9559cbc4 | 1114 | fITSLabel = 0; |
9559cbc4 | 1115 | |
1116 | // Reset TPC related track information | |
1117 | fTPCchi2 = 0; | |
949840f6 | 1118 | fTPCchi2Iter1 = 0; |
9559cbc4 | 1119 | fTPCncls = 0; |
e1d4c1b5 | 1120 | fTPCnclsF = 0; |
949840f6 | 1121 | fTPCnclsIter1 = 0; |
9f638f03 | 1122 | fTPCnclsFIter1 = 0; |
1123 | fTPCFitMap = 0; | |
9559cbc4 | 1124 | fTPCClusterMap = 0; |
eb7f6854 | 1125 | fTPCSharedMap = 0; |
9559cbc4 | 1126 | fTPCsignal= 0; |
e1d4c1b5 | 1127 | fTPCsignalS= 0; |
1128 | fTPCsignalN= 0; | |
ddfbc51a | 1129 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=0; |
9559cbc4 | 1130 | fTPCLabel=0; |
ddfbc51a | 1131 | for (Int_t i=0;i<4;i++) fTPCPoints[i] = 0; |
1132 | for (Int_t i=0; i<3;i++) fKinkIndexes[i] = 0; | |
1133 | for (Int_t i=0; i<3;i++) fV0Indexes[i] = 0; | |
9559cbc4 | 1134 | |
1135 | // Reset TRD related track information | |
1136 | fTRDchi2 = 0; | |
1137 | fTRDncls = 0; | |
1138 | fTRDncls0 = 0; | |
9559cbc4 | 1139 | fTRDsignal = 0; |
ddfbc51a | 1140 | for (Int_t i=0;i<kTRDnPlanes;i++) { |
1141 | fTRDTimBin[i] = 0; | |
1142 | } | |
1143 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTRDr[i] = 0; | |
9559cbc4 | 1144 | fTRDLabel = 0; |
9559cbc4 | 1145 | fTRDQuality = 0; |
ed15ef4f | 1146 | fTRDntracklets = 0; |
ddfbc51a | 1147 | if(fTRDnSlices) |
1148 | delete[] fTRDslices; | |
1149 | fTRDslices=0x0; | |
6984f7c1 | 1150 | fTRDnSlices=0; |
23d49657 | 1151 | fTRDBudget = 0; |
9559cbc4 | 1152 | |
1153 | // Reset TOF related track information | |
1154 | fTOFchi2 = 0; | |
ce3f4882 | 1155 | fTOFindex = -1; |
ab37ab1e | 1156 | fTOFsignal = 99999; |
1157 | fTOFCalChannel = -1; | |
1158 | fTOFsignalToT = 99999; | |
1159 | fTOFsignalRaw = 99999; | |
1160 | fTOFsignalDz = 999; | |
1161 | fTOFsignalDx = 999; | |
1162 | fTOFdeltaBC = 999; | |
1163 | fTOFl0l1 = 999; | |
ddfbc51a | 1164 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTOFr[i] = 0; |
1165 | for (Int_t i=0;i<3;i++) fTOFLabel[i] = -1; | |
1166 | for (Int_t i=0;i<10;i++) fTOFInfo[i] = 0; | |
9559cbc4 | 1167 | |
f4b3bbb7 | 1168 | // Reset HMPID related track information |
1169 | fHMPIDchi2 = 0; | |
562dd0b4 | 1170 | fHMPIDqn = 0; |
81aa7a0d | 1171 | fHMPIDcluIdx = -1; |
f4b3bbb7 | 1172 | fHMPIDsignal = 0; |
ddfbc51a | 1173 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fHMPIDr[i] = 0; |
562dd0b4 | 1174 | fHMPIDtrkTheta = 0; |
1175 | fHMPIDtrkPhi = 0; | |
1176 | fHMPIDtrkX = 0; | |
1177 | fHMPIDtrkY = 0; | |
1178 | fHMPIDmipX = 0; | |
1179 | fHMPIDmipY = 0; | |
f1cedef3 | 1180 | fCaloIndex = kEMCALNoMatch; |
9559cbc4 | 1181 | |
b5b2b4db | 1182 | // reset global track chi2 |
1183 | fGlobalChi2 = 0; | |
1184 | ||
6dc21f57 | 1185 | fVertexID = -2; // an orphan track |
ddfbc51a | 1186 | |
1187 | delete fFriendTrack; fFriendTrack = 0; | |
9559cbc4 | 1188 | } |
ec729fb0 | 1189 | |
bf7942ff | 1190 | //_______________________________________________________________________ |
1191 | Int_t AliESDtrack::GetPID() const | |
1192 | { | |
1193 | // Returns the particle most probable id | |
ddfbc51a | 1194 | Int_t i; |
1195 | for (i=0; i<AliPID::kSPECIES-1; i++) if (fR[i] != fR[i+1]) break; | |
bf7942ff | 1196 | // |
1197 | if (i == AliPID::kSPECIES-1) return AliPID::kPion; // If all the probabilities are equal, return the pion mass | |
1198 | // | |
ae982df3 | 1199 | Float_t max=0.; |
1200 | Int_t k=-1; | |
ddfbc51a | 1201 | for (i=0; i<AliPID::kSPECIES; i++) if (fR[i]>max) {k=i; max=fR[i];} |
bf7942ff | 1202 | // |
db3989b3 | 1203 | if (k==0) { // dE/dx "crossing points" in the TPC |
bf7942ff | 1204 | Double_t p=GetP(); |
1205 | if ((p>0.38)&&(p<0.48)) | |
1206 | if (fR[0]<fR[3]*10.) return AliPID::kKaon; | |
1207 | if ((p>0.75)&&(p<0.85)) | |
1208 | if (fR[0]<fR[4]*10.) return AliPID::kProton; | |
1209 | return AliPID::kElectron; | |
db3989b3 | 1210 | } |
bf7942ff | 1211 | if (k==1) return AliPID::kMuon; |
1212 | if (k==2||k==-1) return AliPID::kPion; | |
1213 | if (k==3) return AliPID::kKaon; | |
1214 | if (k==4) return AliPID::kProton; | |
1215 | AliWarning("Undefined PID !"); | |
1216 | return AliPID::kPion; | |
1217 | } | |
1218 | ||
1219 | //_______________________________________________________________________ | |
a512bf97 | 1220 | Int_t AliESDtrack::GetTOFBunchCrossing(Double_t b) const |
bf7942ff | 1221 | { |
1222 | // Returns the number of bunch crossings after trigger (assuming 25ns spacing) | |
bf7942ff | 1223 | const double kSpacing = 25e3; // min interbanch spacing |
1224 | const double kShift = 0; | |
3f2db92f | 1225 | Int_t bcid = kTOFBCNA; // defualt one |
a512bf97 | 1226 | if (!IsOn(kTOFout) || !IsOn(kESDpid)) return bcid; // no info |
1227 | // | |
1228 | double tdif = fTOFsignal; | |
1229 | if (IsOn(kTIME)) { // integrated time info is there | |
1230 | int pid = GetPID(); | |
1231 | tdif -= fTrackTime[pid]; | |
1232 | } | |
1233 | else { // assume integrated time info from TOF radius and momentum | |
1234 | const double kRTOF = 385.; | |
1235 | const double kCSpeed = 3.e-2; // cm/ps | |
1236 | double p = GetP(); | |
1237 | if (p<0.01) return bcid; | |
1238 | double m = GetMass(); | |
1239 | double curv = GetC(b); | |
1240 | double path = TMath::Abs(curv)>kAlmost0 ? // account for curvature | |
1241 | 2./curv*TMath::ASin(kRTOF*curv/2.)*TMath::Sqrt(1.+GetTgl()*GetTgl()) : kRTOF; | |
1242 | tdif -= path/kCSpeed*TMath::Sqrt(1.+m*m/(p*p)); | |
1243 | } | |
bf7942ff | 1244 | bcid = TMath::Nint((tdif - kShift)/kSpacing); |
1245 | return bcid; | |
ae982df3 | 1246 | } |
1247 | ||
6b5b49c9 | 1248 | //______________________________________________________________________________ |
1249 | Double_t AliESDtrack::M() const | |
1250 | { | |
2850a7f3 | 1251 | // Returns the assumed mass |
1252 | // (the pion mass, if the particle can't be identified properly). | |
9be82450 | 1253 | static Bool_t printerr=kTRUE; |
1254 | if (printerr) { | |
1255 | AliWarning("WARNING !!! ... THIS WILL BE PRINTED JUST ONCE !!!"); | |
1256 | printerr = kFALSE; | |
1257 | AliWarning("This is the ESD mass. Use it with care !"); | |
1258 | } | |
6b5b49c9 | 1259 | return GetMass(); |
1260 | } | |
1261 | ||
aad8d435 | 1262 | //______________________________________________________________________________ |
1263 | Double_t AliESDtrack::E() const | |
1264 | { | |
1265 | // Returns the energy of the particle given its assumed mass. | |
1266 | // Assumes the pion mass if the particle can't be identified properly. | |
1267 | ||
1268 | Double_t m = M(); | |
1269 | Double_t p = P(); | |
1270 | return TMath::Sqrt(p*p + m*m); | |
1271 | } | |
1272 | ||
1273 | //______________________________________________________________________________ | |
1274 | Double_t AliESDtrack::Y() const | |
1275 | { | |
1276 | // Returns the rapidity of a particle given its assumed mass. | |
1277 | // Assumes the pion mass if the particle can't be identified properly. | |
1278 | ||
1279 | Double_t e = E(); | |
1280 | Double_t pz = Pz(); | |
e03e4544 | 1281 | if (e != TMath::Abs(pz)) { // energy was not equal to pz |
aad8d435 | 1282 | return 0.5*TMath::Log((e+pz)/(e-pz)); |
1283 | } else { // energy was equal to pz | |
1284 | return -999.; | |
1285 | } | |
1286 | } | |
1287 | ||
ae982df3 | 1288 | //_______________________________________________________________________ |
c9ec41e8 | 1289 | Bool_t AliESDtrack::UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags){ |
ae982df3 | 1290 | // |
1291 | // This function updates track's running parameters | |
1292 | // | |
15614b8b | 1293 | Bool_t rc=kTRUE; |
1294 | ||
9b859005 | 1295 | SetStatus(flags); |
1296 | fLabel=t->GetLabel(); | |
1297 | ||
1298 | if (t->IsStartedTimeIntegral()) { | |
1299 | SetStatus(kTIME); | |
ddfbc51a | 1300 | Double_t times[10];t->GetIntegratedTimes(times); SetIntegratedTimes(times); |
9b859005 | 1301 | SetIntegratedLength(t->GetIntegratedLength()); |
1302 | } | |
1303 | ||
6c94f330 | 1304 | Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); |
59c31692 | 1305 | if (fFriendTrack) { |
ddfbc51a | 1306 | if (flags==kITSout) fFriendTrack->SetITSOut(*t); |
1307 | if (flags==kTPCout) fFriendTrack->SetTPCOut(*t); | |
1308 | if (flags==kTRDrefit) fFriendTrack->SetTRDIn(*t); | |
59c31692 | 1309 | } |
ddfbc51a | 1310 | |
ae982df3 | 1311 | switch (flags) { |
ddfbc51a | 1312 | |
6c3c2a50 | 1313 | case kITSin: |
1314 | fITSchi2Std[0] = t->GetChi2(); | |
1315 | // | |
1316 | case kITSout: | |
1317 | fITSchi2Std[1] = t->GetChi2(); | |
ddfbc51a | 1318 | case kITSrefit: |
1319 | { | |
6c3c2a50 | 1320 | fITSchi2Std[2] = t->GetChi2(); |
48704648 | 1321 | fITSClusterMap=0; |
ae982df3 | 1322 | fITSncls=t->GetNumberOfClusters(); |
59c31692 | 1323 | if (fFriendTrack) { |
ddfbc51a | 1324 | Int_t* indexITS = new Int_t[AliESDfriendTrack::kMaxITScluster]; |
1325 | for (Int_t i=0;i<AliESDfriendTrack::kMaxITScluster;i++) { | |
6d3a7bbf | 1326 | indexITS[i]=t->GetClusterIndex(i); |
ddfbc51a | 1327 | |
62665e7f | 1328 | if (i<fITSncls) { |
6d3a7bbf | 1329 | Int_t l=(indexITS[i] & 0xf0000000) >> 28; |
ddfbc51a | 1330 | SETBIT(fITSClusterMap,l); |
62665e7f | 1331 | } |
1332 | } | |
ddfbc51a | 1333 | fFriendTrack->SetITSIndices(indexITS,AliESDfriendTrack::kMaxITScluster); |
1334 | delete [] indexITS; | |
1335 | } | |
1336 | ||
ae982df3 | 1337 | fITSchi2=t->GetChi2(); |
ae982df3 | 1338 | fITSsignal=t->GetPIDsignal(); |
6e5b1b04 | 1339 | fITSLabel = t->GetLabel(); |
57483eb1 | 1340 | // keep in fOp the parameters outside ITS for ITS stand-alone tracks |
1341 | if (flags==kITSout) { | |
ddfbc51a | 1342 | if (!fOp) fOp=new AliExternalTrackParam(*t); |
1343 | else | |
1344 | fOp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); | |
1345 | } | |
6d3a7bbf | 1346 | } |
ae982df3 | 1347 | break; |
ddfbc51a | 1348 | |
9b859005 | 1349 | case kTPCin: case kTPCrefit: |
ddfbc51a | 1350 | { |
6e5b1b04 | 1351 | fTPCLabel = t->GetLabel(); |
949840f6 | 1352 | if (flags==kTPCin) { |
ddfbc51a | 1353 | fTPCInner=new AliExternalTrackParam(*t); |
1354 | fTPCnclsIter1=t->GetNumberOfClusters(); | |
1355 | fTPCchi2Iter1=t->GetChi2(); | |
949840f6 | 1356 | } |
ddfbc51a | 1357 | if (!fIp) fIp=new AliExternalTrackParam(*t); |
1358 | else | |
1359 | fIp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); | |
6d3a7bbf | 1360 | } |
5d6fb68d | 1361 | // Intentionally no break statement; need to set general TPC variables as well |
9b859005 | 1362 | case kTPCout: |
ddfbc51a | 1363 | { |
1d303a24 | 1364 | if (flags & kTPCout){ |
ddfbc51a | 1365 | if (!fOp) fOp=new AliExternalTrackParam(*t); |
1366 | else | |
1367 | fOp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); | |
1d303a24 | 1368 | } |
e1d4c1b5 | 1369 | fTPCncls=t->GetNumberOfClusters(); |
ae982df3 | 1370 | fTPCchi2=t->GetChi2(); |
a866ac60 | 1371 | |
5d6fb68d | 1372 | if (fFriendTrack) { // Copy cluster indices |
ddfbc51a | 1373 | Int_t* indexTPC = new Int_t[AliESDfriendTrack::kMaxTPCcluster]; |
1374 | for (Int_t i=0;i<AliESDfriendTrack::kMaxTPCcluster;i++) | |
1375 | indexTPC[i]=t->GetClusterIndex(i); | |
5d6fb68d | 1376 | fFriendTrack->SetTPCIndices(indexTPC,AliESDfriendTrack::kMaxTPCcluster); |
ddfbc51a | 1377 | delete [] indexTPC; |
5d6fb68d | 1378 | } |
ae982df3 | 1379 | fTPCsignal=t->GetPIDsignal(); |
ddfbc51a | 1380 | } |
ae982df3 | 1381 | break; |
ddfbc51a | 1382 | |
64130601 | 1383 | case kTRDin: case kTRDrefit: |
1384 | break; | |
1385 | case kTRDout: | |
ddfbc51a | 1386 | { |
51ad6848 | 1387 | fTRDLabel = t->GetLabel(); |
2f83b7a6 | 1388 | fTRDchi2 = t->GetChi2(); |
1389 | fTRDncls = t->GetNumberOfClusters(); | |
59c31692 | 1390 | if (fFriendTrack) { |
ddfbc51a | 1391 | Int_t* indexTRD = new Int_t[AliESDfriendTrack::kMaxTRDcluster]; |
1392 | for (Int_t i=0;i<AliESDfriendTrack::kMaxTRDcluster;i++) indexTRD[i]=-2; | |
1393 | for (Int_t i=0;i<6;i++) indexTRD[i]=t->GetTrackletIndex(i); | |
6d3a7bbf | 1394 | fFriendTrack->SetTRDIndices(indexTRD,AliESDfriendTrack::kMaxTRDcluster); |
ddfbc51a | 1395 | delete [] indexTRD; |
59c31692 | 1396 | } |
ddfbc51a | 1397 | |
79e94bf8 | 1398 | fTRDsignal=t->GetPIDsignal(); |
ddfbc51a | 1399 | } |
79e94bf8 | 1400 | break; |
c4d11b15 | 1401 | case kTRDbackup: |
ddfbc51a | 1402 | if (!fOp) fOp=new AliExternalTrackParam(*t); |
1403 | else | |
1404 | fOp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); | |
c4d11b15 | 1405 | fTRDncls0 = t->GetNumberOfClusters(); |
1406 | break; | |
1407 | case kTOFin: | |
1408 | break; | |
1409 | case kTOFout: | |
1410 | break; | |
d0862fea | 1411 | case kTRDStop: |
1412 | break; | |
c38d443f | 1413 | case kHMPIDout: |
ddfbc51a | 1414 | if (!fHMPIDp) fHMPIDp=new AliExternalTrackParam(*t); |
1415 | else | |
1416 | fHMPIDp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); | |
c38d443f | 1417 | break; |
ae982df3 | 1418 | default: |
5f7789fc | 1419 | AliError("Wrong flag !"); |
ae982df3 | 1420 | return kFALSE; |
1421 | } | |
ddfbc51a | 1422 | |
15614b8b | 1423 | return rc; |
ae982df3 | 1424 | } |
1425 | ||
1426 | //_______________________________________________________________________ | |
1427 | void AliESDtrack::GetExternalParameters(Double_t &x, Double_t p[5]) const { | |
1428 | //--------------------------------------------------------------------- | |
1429 | // This function returns external representation of the track parameters | |
1430 | //--------------------------------------------------------------------- | |
c9ec41e8 | 1431 | x=GetX(); |
ddfbc51a | 1432 | for (Int_t i=0; i<5; i++) p[i]=GetParameter()[i]; |
15614b8b | 1433 | } |
1434 | ||
67c3dcbe | 1435 | //_______________________________________________________________________ |
a866ac60 | 1436 | void AliESDtrack::GetExternalCovariance(Double_t cov[15]) const { |
67c3dcbe | 1437 | //--------------------------------------------------------------------- |
1438 | // This function returns external representation of the cov. matrix | |
1439 | //--------------------------------------------------------------------- | |
ddfbc51a | 1440 | for (Int_t i=0; i<15; i++) cov[i]=AliExternalTrackParam::GetCovariance()[i]; |
67c3dcbe | 1441 | } |
1442 | ||
67c3dcbe | 1443 | //_______________________________________________________________________ |
c0b978f0 | 1444 | Bool_t AliESDtrack::GetConstrainedExternalParameters |
1445 | (Double_t &alpha, Double_t &x, Double_t p[5]) const { | |
67c3dcbe | 1446 | //--------------------------------------------------------------------- |
1447 | // This function returns the constrained external track parameters | |
1448 | //--------------------------------------------------------------------- | |
c0b978f0 | 1449 | if (!fCp) return kFALSE; |
1450 | alpha=fCp->GetAlpha(); | |
c9ec41e8 | 1451 | x=fCp->GetX(); |
ddfbc51a | 1452 | for (Int_t i=0; i<5; i++) p[i]=fCp->GetParameter()[i]; |
c0b978f0 | 1453 | return kTRUE; |
67c3dcbe | 1454 | } |
c9ec41e8 | 1455 | |
67c3dcbe | 1456 | //_______________________________________________________________________ |
c0b978f0 | 1457 | Bool_t |
67c3dcbe | 1458 | AliESDtrack::GetConstrainedExternalCovariance(Double_t c[15]) const { |
1459 | //--------------------------------------------------------------------- | |
1460 | // This function returns the constrained external cov. matrix | |
1461 | //--------------------------------------------------------------------- | |
c0b978f0 | 1462 | if (!fCp) return kFALSE; |
ddfbc51a | 1463 | for (Int_t i=0; i<15; i++) c[i]=fCp->GetCovariance()[i]; |
c0b978f0 | 1464 | return kTRUE; |
67c3dcbe | 1465 | } |
1466 | ||
c0b978f0 | 1467 | Bool_t |
1468 | AliESDtrack::GetInnerExternalParameters | |
1469 | (Double_t &alpha, Double_t &x, Double_t p[5]) const { | |
1470 | //--------------------------------------------------------------------- | |
c9ec41e8 | 1471 | // This function returns external representation of the track parameters |
1472 | // at the inner layer of TPC | |
9b859005 | 1473 | //--------------------------------------------------------------------- |
c0b978f0 | 1474 | if (!fIp) return kFALSE; |
1475 | alpha=fIp->GetAlpha(); | |
c9ec41e8 | 1476 | x=fIp->GetX(); |
ddfbc51a | 1477 | for (Int_t i=0; i<5; i++) p[i]=fIp->GetParameter()[i]; |
c0b978f0 | 1478 | return kTRUE; |
9b859005 | 1479 | } |
1480 | ||
c0b978f0 | 1481 | Bool_t |
1482 | AliESDtrack::GetInnerExternalCovariance(Double_t cov[15]) const { | |
c9ec41e8 | 1483 | //--------------------------------------------------------------------- |
1484 | // This function returns external representation of the cov. matrix | |
1485 | // at the inner layer of TPC | |
1486 | //--------------------------------------------------------------------- | |
c0b978f0 | 1487 | if (!fIp) return kFALSE; |
ddfbc51a | 1488 | for (Int_t i=0; i<15; i++) cov[i]=fIp->GetCovariance()[i]; |
c0b978f0 | 1489 | return kTRUE; |
9b859005 | 1490 | } |
1491 | ||
d61ca12d | 1492 | void |
1493 | AliESDtrack::SetOuterParam(const AliExternalTrackParam *p, ULong_t flags) { | |
1494 | // | |
1495 | // This is a direct setter for the outer track parameters | |
1496 | // | |
1497 | SetStatus(flags); | |
1498 | if (fOp) delete fOp; | |
1499 | fOp=new AliExternalTrackParam(*p); | |
1500 | } | |
1501 | ||
c38d443f | 1502 | void |
1503 | AliESDtrack::SetOuterHmpParam(const AliExternalTrackParam *p, ULong_t flags) { | |
1504 | // | |
1505 | // This is a direct setter for the outer track parameters | |
1506 | // | |
1507 | SetStatus(flags); | |
ddfbc51a | 1508 | if (fHMPIDp) delete fHMPIDp; |
1509 | fHMPIDp=new AliExternalTrackParam(*p); | |
c38d443f | 1510 | } |
1511 | ||
c0b978f0 | 1512 | Bool_t |
1513 | AliESDtrack::GetOuterExternalParameters | |
1514 | (Double_t &alpha, Double_t &x, Double_t p[5]) const { | |
1515 | //--------------------------------------------------------------------- | |
c9ec41e8 | 1516 | // This function returns external representation of the track parameters |
1517 | // at the inner layer of TRD | |
a866ac60 | 1518 | //--------------------------------------------------------------------- |
c0b978f0 | 1519 | if (!fOp) return kFALSE; |
1520 | alpha=fOp->GetAlpha(); | |
c9ec41e8 | 1521 | x=fOp->GetX(); |
ddfbc51a | 1522 | for (Int_t i=0; i<5; i++) p[i]=fOp->GetParameter()[i]; |
c0b978f0 | 1523 | return kTRUE; |
a866ac60 | 1524 | } |
c9ec41e8 | 1525 | |
c38d443f | 1526 | Bool_t |
1527 | AliESDtrack::GetOuterHmpExternalParameters | |
1528 | (Double_t &alpha, Double_t &x, Double_t p[5]) const { | |
1529 | //--------------------------------------------------------------------- | |
1530 | // This function returns external representation of the track parameters | |
1531 | // at the inner layer of TRD | |
1532 | //--------------------------------------------------------------------- | |
1533 | if (!fHMPIDp) return kFALSE; | |
1534 | alpha=fHMPIDp->GetAlpha(); | |
1535 | x=fHMPIDp->GetX(); | |
ddfbc51a | 1536 | for (Int_t i=0; i<5; i++) p[i]=fHMPIDp->GetParameter()[i]; |
c38d443f | 1537 | return kTRUE; |
1538 | } | |
1539 | ||
c0b978f0 | 1540 | Bool_t |
1541 | AliESDtrack::GetOuterExternalCovariance(Double_t cov[15]) const { | |
a866ac60 | 1542 | //--------------------------------------------------------------------- |
c9ec41e8 | 1543 | // This function returns external representation of the cov. matrix |
1544 | // at the inner layer of TRD | |
a866ac60 | 1545 | //--------------------------------------------------------------------- |
c0b978f0 | 1546 | if (!fOp) return kFALSE; |
ddfbc51a | 1547 | for (Int_t i=0; i<15; i++) cov[i]=fOp->GetCovariance()[i]; |
c0b978f0 | 1548 | return kTRUE; |
a866ac60 | 1549 | } |
1550 | ||
c38d443f | 1551 | Bool_t |
1552 | AliESDtrack::GetOuterHmpExternalCovariance(Double_t cov[15]) const { | |
1553 | //--------------------------------------------------------------------- | |
1554 | // This function returns external representation of the cov. matrix | |
1555 | // at the inner layer of TRD | |
1556 | //--------------------------------------------------------------------- | |
1557 | if (!fHMPIDp) return kFALSE; | |
ddfbc51a | 1558 | for (Int_t i=0; i<15; i++) cov[i]=fHMPIDp->GetCovariance()[i]; |
c38d443f | 1559 | return kTRUE; |
1560 | } | |
1561 | ||
98937d93 | 1562 | Int_t AliESDtrack::GetNcls(Int_t idet) const |
1563 | { | |
1564 | // Get number of clusters by subdetector index | |
1565 | // | |
1566 | Int_t ncls = 0; | |
1567 | switch(idet){ | |
1568 | case 0: | |
1569 | ncls = fITSncls; | |
1570 | break; | |
1571 | case 1: | |
1572 | ncls = fTPCncls; | |
1573 | break; | |
1574 | case 2: | |
1575 | ncls = fTRDncls; | |
1576 | break; | |
1577 | case 3: | |
ce3f4882 | 1578 | if (fTOFindex != -1) |
98937d93 | 1579 | ncls = 1; |
1580 | break; | |
81aa7a0d | 1581 | case 4: //PHOS |
1582 | break; | |
1583 | case 5: //HMPID | |
1584 | if ((fHMPIDcluIdx >= 0) && (fHMPIDcluIdx < 7000000)) { | |
1585 | if ((fHMPIDcluIdx%1000000 != 9999) && (fHMPIDcluIdx%1000000 != 99999)) { | |
1586 | ncls = 1; | |
1587 | } | |
1588 | } | |
1589 | break; | |
98937d93 | 1590 | default: |
1591 | break; | |
1592 | } | |
1593 | return ncls; | |
1594 | } | |
1595 | ||
ef7253ac | 1596 | Int_t AliESDtrack::GetClusters(Int_t idet, Int_t *idx) const |
98937d93 | 1597 | { |
1598 | // Get cluster index array by subdetector index | |
1599 | // | |
1600 | Int_t ncls = 0; | |
1601 | switch(idet){ | |
1602 | case 0: | |
1603 | ncls = GetITSclusters(idx); | |
1604 | break; | |
1605 | case 1: | |
ef7253ac | 1606 | ncls = GetTPCclusters(idx); |
98937d93 | 1607 | break; |
1608 | case 2: | |
1609 | ncls = GetTRDclusters(idx); | |
1610 | break; | |
1611 | case 3: | |
ce3f4882 | 1612 | if (fTOFindex != -1) { |
1613 | idx[0] = fTOFindex; | |
98937d93 | 1614 | ncls = 1; |
1615 | } | |
1616 | break; | |
313af949 | 1617 | case 4: //PHOS |
1618 | break; | |
1619 | case 5: | |
81aa7a0d | 1620 | if ((fHMPIDcluIdx >= 0) && (fHMPIDcluIdx < 7000000)) { |
1621 | if ((fHMPIDcluIdx%1000000 != 9999) && (fHMPIDcluIdx%1000000 != 99999)) { | |
1622 | idx[0] = GetHMPIDcluIdx(); | |
1623 | ncls = 1; | |
1624 | } | |
313af949 | 1625 | } |
1626 | break; | |
1627 | case 6: //EMCAL | |
1628 | break; | |
98937d93 | 1629 | default: |
1630 | break; | |
1631 | } | |
1632 | return ncls; | |
1633 | } | |
1634 | ||
ae982df3 | 1635 | //_______________________________________________________________________ |
1636 | void AliESDtrack::GetIntegratedTimes(Double_t *times) const { | |
4427806c | 1637 | // Returns the array with integrated times for each particle hypothesis |
ddfbc51a | 1638 | for (Int_t i=0; i<AliPID::kSPECIES; i++) times[i]=fTrackTime[i]; |
ae982df3 | 1639 | } |
1640 | ||
1641 | //_______________________________________________________________________ | |
1642 | void AliESDtrack::SetIntegratedTimes(const Double_t *times) { | |
4427806c | 1643 | // Sets the array with integrated times for each particle hypotesis |
ddfbc51a | 1644 | for (Int_t i=0; i<AliPID::kSPECIES; i++) fTrackTime[i]=times[i]; |
ae982df3 | 1645 | } |
1646 | ||
c630aafd | 1647 | //_______________________________________________________________________ |
4427806c | 1648 | void AliESDtrack::SetITSpid(const Double_t *p) { |
1649 | // Sets values for the probability of each particle type (in ITS) | |
d27bbc79 | 1650 | SetPIDValues(fITSr,p,AliPID::kSPECIES); |
c630aafd | 1651 | SetStatus(AliESDtrack::kITSpid); |
1652 | } | |
1653 | ||
1654 | //_______________________________________________________________________ | |
1655 | void AliESDtrack::GetITSpid(Double_t *p) const { | |
4427806c | 1656 | // Gets the probability of each particle type (in ITS) |
ddfbc51a | 1657 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fITSr[i]; |
c630aafd | 1658 | } |
1659 | ||
ae982df3 | 1660 | //_______________________________________________________________________ |
562dd0b4 | 1661 | Char_t AliESDtrack::GetITSclusters(Int_t *idx) const { |
ae982df3 | 1662 | //--------------------------------------------------------------------- |
1663 | // This function returns indices of the assgined ITS clusters | |
1664 | //--------------------------------------------------------------------- | |
59c31692 | 1665 | if (idx && fFriendTrack) { |
6d3a7bbf | 1666 | Int_t *index=fFriendTrack->GetITSindices(); |
ddfbc51a | 1667 | for (Int_t i=0; i<AliESDfriendTrack::kMaxITScluster; i++) { |
6d3a7bbf | 1668 | if ( (i>=fITSncls) && (i<6) ) idx[i]=-1; |
1669 | else { | |
1670 | if (index) { | |
1671 | idx[i]=index[i]; | |
1672 | } | |
1673 | else idx[i]= -2; | |
1674 | } | |
1675 | } | |
15e85efa | 1676 | } |
ae982df3 | 1677 | return fITSncls; |
1678 | } | |
1679 | ||
89f1b176 | 1680 | //_______________________________________________________________________ |
1681 | Bool_t AliESDtrack::GetITSModuleIndexInfo(Int_t ilayer,Int_t &idet,Int_t &status, | |
1682 | Float_t &xloc,Float_t &zloc) const { | |
1683 | //---------------------------------------------------------------------- | |
1684 | // This function encodes in the module number also the status of cluster association | |
1685 | // "status" can have the following values: | |
1686 | // 1 "found" (cluster is associated), | |
1687 | // 2 "dead" (module is dead from OCDB), | |
1688 | // 3 "skipped" (module or layer forced to be skipped), | |
1689 | // 4 "outinz" (track out of z acceptance), | |
1690 | // 5 "nocls" (no clusters in the road), | |
1691 | // 6 "norefit" (cluster rejected during refit), | |
1692 | // 7 "deadzspd" (holes in z in SPD) | |
1693 | // Also given are the coordinates of the crossing point of track and module | |
1694 | // (in the local module ref. system) | |
1695 | // WARNING: THIS METHOD HAS TO BE SYNCHRONIZED WITH AliITStrackV2::GetModuleIndexInfo()! | |
1696 | //---------------------------------------------------------------------- | |
1697 | ||
1698 | if(fITSModule[ilayer]==-1) { | |
89f1b176 | 1699 | idet = -1; |
1700 | status=0; | |
1701 | xloc=-99.; zloc=-99.; | |
1702 | return kFALSE; | |
1703 | } | |
1704 | ||
1705 | Int_t module = fITSModule[ilayer]; | |
1706 | ||
1707 | idet = Int_t(module/1000000); | |
1708 | ||
1709 | module -= idet*1000000; | |
1710 | ||
1711 | status = Int_t(module/100000); | |
1712 | ||
1713 | module -= status*100000; | |
1714 | ||
1715 | Int_t signs = Int_t(module/10000); | |
1716 | ||
1717 | module-=signs*10000; | |
1718 | ||
1719 | Int_t xInt = Int_t(module/100); | |
1720 | module -= xInt*100; | |
1721 | ||
1722 | Int_t zInt = module; | |
1723 | ||
1724 | if(signs==1) { xInt*=1; zInt*=1; } | |
1725 | if(signs==2) { xInt*=1; zInt*=-1; } | |
1726 | if(signs==3) { xInt*=-1; zInt*=1; } | |
1727 | if(signs==4) { xInt*=-1; zInt*=-1; } | |
1728 | ||
1729 | xloc = 0.1*(Float_t)xInt; | |
1730 | zloc = 0.1*(Float_t)zInt; | |
1731 | ||
1732 | if(status==4) idet = -1; | |
1733 | ||
1734 | return kTRUE; | |
1735 | } | |
1736 | ||
ae982df3 | 1737 | //_______________________________________________________________________ |
562dd0b4 | 1738 | UShort_t AliESDtrack::GetTPCclusters(Int_t *idx) const { |
ae982df3 | 1739 | //--------------------------------------------------------------------- |
1740 | // This function returns indices of the assgined ITS clusters | |
1741 | //--------------------------------------------------------------------- | |
59c31692 | 1742 | if (idx && fFriendTrack) { |
15e85efa | 1743 | Int_t *index=fFriendTrack->GetTPCindices(); |
6d3a7bbf | 1744 | |
1745 | if (index){ | |
ddfbc51a | 1746 | for (Int_t i=0; i<AliESDfriendTrack::kMaxTPCcluster; i++) idx[i]=index[i]; |
6d3a7bbf | 1747 | } |
1748 | else { | |
ddfbc51a | 1749 | for (Int_t i=0; i<AliESDfriendTrack::kMaxTPCcluster; i++) idx[i]=-2; |
6d3a7bbf | 1750 | } |
15e85efa | 1751 | } |
ae982df3 | 1752 | return fTPCncls; |
1753 | } | |
8c6a71ab | 1754 | |
4c3dc2a0 | 1755 | //_______________________________________________________________________ |
1756 | Float_t AliESDtrack::GetTPCCrossedRows() const | |
1757 | { | |
1758 | // This function calls GetTPCClusterInfo with some default parameters which are used in the track selection and caches the outcome | |
1759 | // because GetTPCClusterInfo is quite time-consuming | |
1760 | ||
1761 | if (fCacheNCrossedRows > -1) | |
1762 | return fCacheNCrossedRows; | |
1763 | ||
1764 | fCacheNCrossedRows = GetTPCClusterInfo(2, 1); | |
1765 | return fCacheNCrossedRows; | |
1766 | } | |
1767 | ||
6a6f0c1f | 1768 | //_______________________________________________________________________ |
204022f3 | 1769 | Float_t AliESDtrack::GetTPCClusterInfo(Int_t nNeighbours/*=3*/, Int_t type/*=0*/, Int_t row0, Int_t row1) const |
6a6f0c1f | 1770 | { |
1771 | // | |
1772 | // TPC cluster information | |
1773 | // type 0: get fraction of found/findable clusters with neighbourhood definition | |
1774 | // 1: findable clusters with neighbourhood definition | |
1775 | // 2: found clusters | |
1776 | // | |
1777 | // definition of findable clusters: | |
1778 | // a cluster is defined as findable if there is another cluster | |
1779 | // within +- nNeighbours pad rows. The idea is to overcome threshold | |
1780 | // effects with a very simple algorithm. | |
1781 | // | |
1782 | ||
1783 | if (type==2) return fTPCClusterMap.CountBits(); | |
1784 | ||
1785 | Int_t found=0; | |
1786 | Int_t findable=0; | |
1787 | Int_t last=-nNeighbours; | |
1788 | ||
59c31692 | 1789 | Int_t upperBound=fTPCClusterMap.GetNbits(); |
1790 | if (upperBound>row1) upperBound=row1; | |
ddfbc51a | 1791 | for (Int_t i=row0; i<upperBound; ++i){ |
6a6f0c1f | 1792 | //look to current row |
1793 | if (fTPCClusterMap[i]) { | |
1794 | last=i; | |
1795 | ++found; | |
1796 | ++findable; | |
1797 | continue; | |
1798 | } | |
1799 | //look to nNeighbours before | |
1800 | if ((i-last)<=nNeighbours) { | |
1801 | ++findable; | |
1802 | continue; | |
1803 | } | |
1804 | //look to nNeighbours after | |
1805 | for (Int_t j=i+1; j<i+1+nNeighbours; ++j){ | |
1806 | if (fTPCClusterMap[j]){ | |
1807 | ++findable; | |
1808 | break; | |
1809 | } | |
1810 | } | |
1811 | } | |
82cc468e | 1812 | if (type==1) return findable; |
1813 | ||
6a6f0c1f | 1814 | if (type==0){ |
82cc468e | 1815 | Float_t fraction=0; |
1816 | if (findable>0) | |
1817 | fraction=(Float_t)found/(Float_t)findable; | |
1818 | else | |
1819 | fraction=0; | |
1820 | return fraction; | |
1821 | } | |
1822 | return 0; // undefined type - default value | |
6a6f0c1f | 1823 | } |
1824 | ||
1825 | //_______________________________________________________________________ | |
562dd0b4 | 1826 | Double_t AliESDtrack::GetTPCdensity(Int_t row0, Int_t row1) const{ |
81e97e0d | 1827 | // |
1828 | // GetDensity of the clusters on given region between row0 and row1 | |
1829 | // Dead zone effect takin into acoount | |
1830 | // | |
59c31692 | 1831 | if (!fFriendTrack) return 0.0; |
81e97e0d | 1832 | Int_t good = 0; |
1833 | Int_t found = 0; | |
1834 | // | |
15e85efa | 1835 | Int_t *index=fFriendTrack->GetTPCindices(); |
81e97e0d | 1836 | for (Int_t i=row0;i<=row1;i++){ |
15e85efa | 1837 | Int_t idx = index[i]; |
1838 | if (idx!=-1) good++; // track outside of dead zone | |
1839 | if (idx>0) found++; | |
81e97e0d | 1840 | } |
1841 | Float_t density=0.5; | |
a3061175 | 1842 | if (good>TMath::Max((row1-row0)*0.5,0.0)) density = Float_t(found)/Float_t(good); |
81e97e0d | 1843 | return density; |
1844 | } | |
c84a5e9e | 1845 | |
8c6a71ab | 1846 | //_______________________________________________________________________ |
1847 | void AliESDtrack::SetTPCpid(const Double_t *p) { | |
4427806c | 1848 | // Sets values for the probability of each particle type (in TPC) |
d27bbc79 | 1849 | SetPIDValues(fTPCr,p,AliPID::kSPECIES); |
8c6a71ab | 1850 | SetStatus(AliESDtrack::kTPCpid); |
1851 | } | |
1852 | ||
1853 | //_______________________________________________________________________ | |
1854 | void AliESDtrack::GetTPCpid(Double_t *p) const { | |
4427806c | 1855 | // Gets the probability of each particle type (in TPC) |
ddfbc51a | 1856 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fTPCr[i]; |
8c6a71ab | 1857 | } |
1858 | ||
bb2ceb1f | 1859 | //_______________________________________________________________________ |
562dd0b4 | 1860 | UChar_t AliESDtrack::GetTRDclusters(Int_t *idx) const { |
bb2ceb1f | 1861 | //--------------------------------------------------------------------- |
1862 | // This function returns indices of the assgined TRD clusters | |
1863 | //--------------------------------------------------------------------- | |
59c31692 | 1864 | if (idx && fFriendTrack) { |
6d3a7bbf | 1865 | Int_t *index=fFriendTrack->GetTRDindices(); |
ddfbc51a | 1866 | |
1867 | if (index) { | |
1868 | for (Int_t i=0; i<AliESDfriendTrack::kMaxTRDcluster; i++) idx[i]=index[i]; | |
1869 | } | |
1870 | else { | |
1871 | for (Int_t i=0; i<AliESDfriendTrack::kMaxTRDcluster; i++) idx[i]=-2; | |
1872 | } | |
15e85efa | 1873 | } |
bb2ceb1f | 1874 | return fTRDncls; |
1875 | } | |
1876 | ||
5bc3e158 | 1877 | //_______________________________________________________________________ |
1878 | UChar_t AliESDtrack::GetTRDtracklets(Int_t *idx) const { | |
0ad488b0 | 1879 | // |
1880 | // This function returns the number of TRD tracklets used in tracking | |
1881 | // and it fills the indices of these tracklets in the array "idx" as they | |
1882 | // are registered in the TRD track list. | |
1883 | // | |
1884 | // Caution : | |
1885 | // 1. The idx array has to be allocated with a size >= AliESDtrack::kTRDnPlanes | |
1886 | // 2. The idx array store not only the index but also the layer of the tracklet. | |
1887 | // Therefore tracks with TRD gaps contain default values for indices [-1] | |
1888 | ||
59c31692 | 1889 | if (!fFriendTrack) return 0; |
0ad488b0 | 1890 | if (!idx) return GetTRDntracklets(); |
6d3a7bbf | 1891 | Int_t *index=fFriendTrack->GetTRDindices(); |
1892 | Int_t n = 0; | |
ddfbc51a | 1893 | for (Int_t i=0; i<kTRDnPlanes; i++){ |
6d3a7bbf | 1894 | if (index){ |
1895 | if(index[i]>=0) n++; | |
1896 | idx[i]=index[i]; | |
1897 | } | |
1898 | else idx[i] = -2; | |
5bc3e158 | 1899 | } |
0ad488b0 | 1900 | return n; |
5bc3e158 | 1901 | } |
1902 | ||
c630aafd | 1903 | //_______________________________________________________________________ |
1904 | void AliESDtrack::SetTRDpid(const Double_t *p) { | |
4427806c | 1905 | // Sets values for the probability of each particle type (in TRD) |
d27bbc79 | 1906 | SetPIDValues(fTRDr,p,AliPID::kSPECIES); |
c630aafd | 1907 | SetStatus(AliESDtrack::kTRDpid); |
1908 | } | |
1909 | ||
1910 | //_______________________________________________________________________ | |
1911 | void AliESDtrack::GetTRDpid(Double_t *p) const { | |
4427806c | 1912 | // Gets the probability of each particle type (in TRD) |
ddfbc51a | 1913 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fTRDr[i]; |
c630aafd | 1914 | } |
1915 | ||
79e94bf8 | 1916 | //_______________________________________________________________________ |
1917 | void AliESDtrack::SetTRDpid(Int_t iSpecies, Float_t p) | |
1918 | { | |
4427806c | 1919 | // Sets the probability of particle type iSpecies to p (in TRD) |
79e94bf8 | 1920 | fTRDr[iSpecies] = p; |
1921 | } | |
1922 | ||
562dd0b4 | 1923 | Double_t AliESDtrack::GetTRDpid(Int_t iSpecies) const |
79e94bf8 | 1924 | { |
4427806c | 1925 | // Returns the probability of particle type iSpecies (in TRD) |
79e94bf8 | 1926 | return fTRDr[iSpecies]; |
1927 | } | |
1928 | ||
fae4c212 | 1929 | //____________________________________________________ |
1930 | Int_t AliESDtrack::GetNumberOfTRDslices() const | |
1931 | { | |
1932 | // built in backward compatibility | |
1933 | Int_t idx = fTRDnSlices - (kTRDnPlanes<<1); | |
1934 | return idx<18 ? fTRDnSlices/kTRDnPlanes : idx/kTRDnPlanes; | |
1935 | } | |
1936 | ||
1937 | //____________________________________________________ | |
1938 | Double_t AliESDtrack::GetTRDmomentum(Int_t plane, Double_t *sp) const | |
1939 | { | |
1940 | //Returns momentum estimation and optional its error (sp) | |
1941 | // in TRD layer "plane". | |
1942 | ||
1943 | if (!fTRDnSlices) { | |
ba8cee18 | 1944 | AliDebug(2, "No TRD info allocated for this track."); |
fae4c212 | 1945 | return -1.; |
1946 | } | |
1947 | if ((plane<0) || (plane>=kTRDnPlanes)) { | |
ba8cee18 | 1948 | AliWarning(Form("Request for TRD plane[%d] outside range.", plane)); |
fae4c212 | 1949 | return -1.; |
1950 | } | |
1951 | ||
1952 | Int_t idx = fTRDnSlices-(kTRDnPlanes<<1)+plane; | |
1953 | // Protection for backward compatibility | |
1954 | if(idx<(GetNumberOfTRDslices()*kTRDnPlanes)) return -1.; | |
1955 | ||
1956 | if(sp) (*sp) = fTRDslices[idx+kTRDnPlanes]; | |
1957 | return fTRDslices[idx]; | |
1958 | } | |
1959 | ||
1960 | //____________________________________________________ | |
1961 | Double_t AliESDtrack::GetTRDslice(Int_t plane, Int_t slice) const { | |
1962 | //Gets the charge from the slice of the plane | |
1963 | ||
1964 | if(!fTRDslices) { | |
1965 | //AliError("No TRD slices allocated for this track !"); | |
1966 | return -1.; | |
1967 | } | |
1968 | if ((plane<0) || (plane>=kTRDnPlanes)) { | |
1969 | AliError("Info for TRD plane not available !"); | |
1970 | return -1.; | |
1971 | } | |
1972 | Int_t ns=GetNumberOfTRDslices(); | |
1973 | if ((slice<-1) || (slice>=ns)) { | |
1974 | //AliError("Wrong TRD slice !"); | |
1975 | return -1.; | |
1976 | } | |
1977 | ||
1978 | if(slice>=0) return fTRDslices[plane*ns + slice]; | |
1979 | ||
1980 | // return average of the dEdx measurements | |
1981 | Double_t q=0.; Double32_t *s = &fTRDslices[plane*ns]; | |
ddfbc51a | 1982 | for (Int_t i=0; i<ns; i++, s++) if((*s)>0.) q+=(*s); |
fae4c212 | 1983 | return q/ns; |
1984 | } | |
1985 | ||
1986 | //____________________________________________________ | |
6984f7c1 | 1987 | void AliESDtrack::SetNumberOfTRDslices(Int_t n) { |
1988 | //Sets the number of slices used for PID | |
fae4c212 | 1989 | if (fTRDnSlices) return; |
ddfbc51a | 1990 | |
fae4c212 | 1991 | fTRDnSlices=n; |
ddfbc51a | 1992 | fTRDslices=new Double32_t[fTRDnSlices]; |
1993 | ||
fae4c212 | 1994 | // set-up correctly the allocated memory |
1995 | memset(fTRDslices, 0, n*sizeof(Double32_t)); | |
ddfbc51a | 1996 | for (Int_t i=GetNumberOfTRDslices(); i--;) fTRDslices[i]=-1.; |
6984f7c1 | 1997 | } |
1998 | ||
fae4c212 | 1999 | //____________________________________________________ |
6984f7c1 | 2000 | void AliESDtrack::SetTRDslice(Double_t q, Int_t plane, Int_t slice) { |
2001 | //Sets the charge q in the slice of the plane | |
fae4c212 | 2002 | if(!fTRDslices) { |
6984f7c1 | 2003 | AliError("No TRD slices allocated for this track !"); |
2004 | return; | |
2005 | } | |
6984f7c1 | 2006 | if ((plane<0) || (plane>=kTRDnPlanes)) { |
fae4c212 | 2007 | AliError("Info for TRD plane not allocated !"); |
6984f7c1 | 2008 | return; |
2009 | } | |
fae4c212 | 2010 | Int_t ns=GetNumberOfTRDslices(); |
6984f7c1 | 2011 | if ((slice<0) || (slice>=ns)) { |
2012 | AliError("Wrong TRD slice !"); | |
2013 | return; | |
2014 | } | |
2015 | Int_t n=plane*ns + slice; | |
2016 | fTRDslices[n]=q; | |
2017 | } | |
2018 | ||
6984f7c1 | 2019 | |
fae4c212 | 2020 | //____________________________________________________ |
2021 | void AliESDtrack::SetTRDmomentum(Double_t p, Int_t plane, Double_t *sp) | |
2022 | { | |
2023 | if(!fTRDslices) { | |
2024 | AliError("No TRD slices allocated for this track !"); | |
2025 | return; | |
6984f7c1 | 2026 | } |
fae4c212 | 2027 | if ((plane<0) || (plane>=kTRDnPlanes)) { |
2028 | AliError("Info for TRD plane not allocated !"); | |
2029 | return; | |
6984f7c1 | 2030 | } |
2031 | ||
fae4c212 | 2032 | Int_t idx = fTRDnSlices-(kTRDnPlanes<<1)+plane; |
2033 | // Protection for backward compatibility | |
2034 | if(idx<GetNumberOfTRDslices()*kTRDnPlanes) return; | |
6984f7c1 | 2035 | |
fae4c212 | 2036 | if(sp) fTRDslices[idx+kTRDnPlanes] = (*sp); |
2037 | fTRDslices[idx] = p; | |
6984f7c1 | 2038 | } |
2039 | ||
2040 | ||
c630aafd | 2041 | //_______________________________________________________________________ |
2042 | void AliESDtrack::SetTOFpid(const Double_t *p) { | |
4427806c | 2043 | // Sets the probability of each particle type (in TOF) |
d27bbc79 | 2044 | SetPIDValues(fTOFr,p,AliPID::kSPECIES); |
c630aafd | 2045 | SetStatus(AliESDtrack::kTOFpid); |
2046 | } | |
2047 | ||
51ad6848 | 2048 | //_______________________________________________________________________ |
2049 | void AliESDtrack::SetTOFLabel(const Int_t *p) { | |
2050 | // Sets (in TOF) | |
ddfbc51a | 2051 | for (Int_t i=0; i<3; i++) fTOFLabel[i]=p[i]; |
51ad6848 | 2052 | } |
2053 | ||
c630aafd | 2054 | //_______________________________________________________________________ |
2055 | void AliESDtrack::GetTOFpid(Double_t *p) const { | |
4427806c | 2056 | // Gets probabilities of each particle type (in TOF) |
ddfbc51a | 2057 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fTOFr[i]; |
c630aafd | 2058 | } |
2059 | ||
51ad6848 | 2060 | //_______________________________________________________________________ |
2061 | void AliESDtrack::GetTOFLabel(Int_t *p) const { | |
2062 | // Gets (in TOF) | |
ddfbc51a | 2063 | for (Int_t i=0; i<3; i++) p[i]=fTOFLabel[i]; |
51ad6848 | 2064 | } |
2065 | ||
2066 | //_______________________________________________________________________ | |
2067 | void AliESDtrack::GetTOFInfo(Float_t *info) const { | |
2068 | // Gets (in TOF) | |
ddfbc51a | 2069 | for (Int_t i=0; i<10; i++) info[i]=fTOFInfo[i]; |
51ad6848 | 2070 | } |
2071 | ||
2072 | //_______________________________________________________________________ | |
2073 | void AliESDtrack::SetTOFInfo(Float_t*info) { | |
2074 | // Gets (in TOF) | |
ddfbc51a | 2075 | for (Int_t i=0; i<10; i++) fTOFInfo[i]=info[i]; |
51ad6848 | 2076 | } |
2077 | ||
4a78b8c5 | 2078 | |
2079 | ||
4a78b8c5 | 2080 | //_______________________________________________________________________ |
f4b3bbb7 | 2081 | void AliESDtrack::SetHMPIDpid(const Double_t *p) { |
2082 | // Sets the probability of each particle type (in HMPID) | |
2083 | SetPIDValues(fHMPIDr,p,AliPID::kSPECIES); | |
2084 | SetStatus(AliESDtrack::kHMPIDpid); | |
4a78b8c5 | 2085 | } |
2086 | ||
3876bdbf | 2087 | //_______________________________________________________________________ |
ddfbc51a | 2088 | void AliESDtrack::SetTPCdEdxInfo(AliTPCdEdxInfo * dEdxInfo){ |
2089 | if(fTPCdEdxInfo) delete fTPCdEdxInfo; | |
3876bdbf | 2090 | fTPCdEdxInfo = dEdxInfo; |
2091 | } | |
2092 | ||
4a78b8c5 | 2093 | //_______________________________________________________________________ |
f4b3bbb7 | 2094 | void AliESDtrack::GetHMPIDpid(Double_t *p) const { |
2095 | // Gets probabilities of each particle type (in HMPID) | |
ddfbc51a | 2096 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fHMPIDr[i]; |
4a78b8c5 | 2097 | } |
2098 | ||
ddfbc51a | 2099 | |
2100 | ||
8c6a71ab | 2101 | //_______________________________________________________________________ |
2102 | void AliESDtrack::SetESDpid(const Double_t *p) { | |
4427806c | 2103 | // Sets the probability of each particle type for the ESD track |
d27bbc79 | 2104 | SetPIDValues(fR,p,AliPID::kSPECIES); |
8c6a71ab | 2105 | SetStatus(AliESDtrack::kESDpid); |
2106 | } | |
2107 | ||
2108 | //_______________________________________________________________________ | |
2109 | void AliESDtrack::GetESDpid(Double_t *p) const { | |
4427806c | 2110 | // Gets probability of each particle type for the ESD track |
ddfbc51a | 2111 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fR[i]; |
8c6a71ab | 2112 | } |
2113 | ||
d7ddf1e9 | 2114 | //_______________________________________________________________________ |
436dfe39 | 2115 | Bool_t AliESDtrack::RelateToVertexTPC(const AliESDVertex *vtx, |
2116 | Double_t b, Double_t maxd, AliExternalTrackParam *cParam) { | |
d7ddf1e9 | 2117 | // |
436dfe39 | 2118 | // Try to relate the TPC-only track parameters to the vertex "vtx", |
d7ddf1e9 | 2119 | // if the (rough) transverse impact parameter is not bigger then "maxd". |
2120 | // Magnetic field is "b" (kG). | |
2121 | // | |
2122 | // a) The TPC-only paramters are extapolated to the DCA to the vertex. | |
2123 | // b) The impact parameters and their covariance matrix are calculated. | |
436dfe39 | 2124 | // c) An attempt to constrain the TPC-only params to the vertex is done. |
2125 | // The constrained params are returned via "cParam". | |
d7ddf1e9 | 2126 | // |
436dfe39 | 2127 | // In the case of success, the returned value is kTRUE |
2128 | // otherwise, it's kFALSE) | |
2129 | // | |
d7ddf1e9 | 2130 | |
2131 | if (!fTPCInner) return kFALSE; | |
2132 | if (!vtx) return kFALSE; | |
2133 | ||
2134 | Double_t dz[2],cov[3]; | |
2135 | if (!fTPCInner->PropagateToDCA(vtx, b, maxd, dz, cov)) return kFALSE; | |
2136 | ||
2137 | fdTPC = dz[0]; | |
2138 | fzTPC = dz[1]; | |
2139 | fCddTPC = cov[0]; | |
2140 | fCdzTPC = cov[1]; | |
2141 | fCzzTPC = cov[2]; | |
2142 | ||
436dfe39 | 2143 | Double_t covar[6]; vtx->GetCovMatrix(covar); |
2144 | Double_t p[2]={GetParameter()[0]-dz[0],GetParameter()[1]-dz[1]}; | |
2145 | Double_t c[3]={covar[2],0.,covar[5]}; | |
2146 | ||
2147 | Double_t chi2=GetPredictedChi2(p,c); | |
2148 | if (chi2>kVeryBig) return kFALSE; | |
2149 | ||
2150 | fCchi2TPC=chi2; | |
2151 | ||
2152 | if (!cParam) return kTRUE; | |
2153 | ||
2154 | *cParam = *fTPCInner; | |
2155 | if (!cParam->Update(p,c)) return kFALSE; | |
2156 | ||
d7ddf1e9 | 2157 | return kTRUE; |
2158 | } | |
2159 | ||
266a0f9b | 2160 | //_______________________________________________________________________ |
2161 | Bool_t AliESDtrack::RelateToVertexTPCBxByBz(const AliESDVertex *vtx, | |
2162 | Double_t b[3], Double_t maxd, AliExternalTrackParam *cParam) { | |
2163 | // | |
2164 | // Try to relate the TPC-only track parameters to the vertex "vtx", | |
2165 | // if the (rough) transverse impact parameter is not bigger then "maxd". | |
2166 | // | |
2167 | // All three components of the magnetic field ,"b[3]" (kG), | |
2168 | // are taken into account. | |
2169 | // | |
2170 | // a) The TPC-only paramters are extapolated to the DCA to the vertex. | |
2171 | // b) The impact parameters and their covariance matrix are calculated. | |
2172 | // c) An attempt to constrain the TPC-only params to the vertex is done. | |
2173 | // The constrained params are returned via "cParam". | |
2174 | // | |
2175 | // In the case of success, the returned value is kTRUE | |
2176 | // otherwise, it's kFALSE) | |
2177 | // | |
2178 | ||
2179 | if (!fTPCInner) return kFALSE; | |
2180 | if (!vtx) return kFALSE; | |
2181 | ||
2182 | Double_t dz[2],cov[3]; | |
2183 | if (!fTPCInner->PropagateToDCABxByBz(vtx, b, maxd, dz, cov)) return kFALSE; | |
2184 | ||
2185 | fdTPC = dz[0]; | |
2186 | fzTPC = dz[1]; | |
2187 | fCddTPC = cov[0]; | |
2188 | fCdzTPC = cov[1]; | |
2189 | fCzzTPC = cov[2]; | |
2190 | ||
2191 | Double_t covar[6]; vtx->GetCovMatrix(covar); | |
2192 | Double_t p[2]={GetParameter()[0]-dz[0],GetParameter()[1]-dz[1]}; | |
2193 | Double_t c[3]={covar[2],0.,covar[5]}; | |
2194 | ||
2195 | Double_t chi2=GetPredictedChi2(p,c); | |
2196 | if (chi2>kVeryBig) return kFALSE; | |
2197 | ||
2198 | fCchi2TPC=chi2; | |
2199 | ||
2200 | if (!cParam) return kTRUE; | |
2201 | ||
2202 | *cParam = *fTPCInner; | |
2203 | if (!cParam->Update(p,c)) return kFALSE; | |
2204 | ||
2205 | return kTRUE; | |
2206 | } | |
2207 | ||
49d13e89 | 2208 | //_______________________________________________________________________ |
436dfe39 | 2209 | Bool_t AliESDtrack::RelateToVertex(const AliESDVertex *vtx, |
2210 | Double_t b, Double_t maxd, AliExternalTrackParam *cParam) { | |
49d13e89 | 2211 | // |
2212 | // Try to relate this track to the vertex "vtx", | |
2213 | // if the (rough) transverse impact parameter is not bigger then "maxd". | |
2214 | // Magnetic field is "b" (kG). | |
2215 | // | |
2216 | // a) The track gets extapolated to the DCA to the vertex. | |
2217 | // b) The impact parameters and their covariance matrix are calculated. | |
2218 | // c) An attempt to constrain this track to the vertex is done. | |
436dfe39 | 2219 | // The constrained params are returned via "cParam". |
49d13e89 | 2220 | // |
436dfe39 | 2221 | // In the case of success, the returned value is kTRUE |
2222 | // (otherwise, it's kFALSE) | |
49d13e89 | 2223 | // |
b5d34a4c | 2224 | |
2225 | if (!vtx) return kFALSE; | |
2226 | ||
e99a34df | 2227 | Double_t dz[2],cov[3]; |
2228 | if (!PropagateToDCA(vtx, b, maxd, dz, cov)) return kFALSE; | |
2229 | ||
2230 | fD = dz[0]; | |
2231 | fZ = dz[1]; | |
2232 | fCdd = cov[0]; | |
2233 | fCdz = cov[1]; | |
2234 | fCzz = cov[2]; | |
49d13e89 | 2235 | |
e99a34df | 2236 | Double_t covar[6]; vtx->GetCovMatrix(covar); |
2237 | Double_t p[2]={GetParameter()[0]-dz[0],GetParameter()[1]-dz[1]}; | |
2238 | Double_t c[3]={covar[2],0.,covar[5]}; | |
3231f9e5 | 2239 | |
e99a34df | 2240 | Double_t chi2=GetPredictedChi2(p,c); |
436dfe39 | 2241 | if (chi2>kVeryBig) return kFALSE; |
2242 | ||
2243 | fCchi2=chi2; | |
49d13e89 | 2244 | |
436dfe39 | 2245 | |
266a0f9b | 2246 | //--- Could now these lines be removed ? --- |
2247 | delete fCp; | |
2248 | fCp=new AliExternalTrackParam(*this); | |
2249 | ||
2250 | if (!fCp->Update(p,c)) {delete fCp; fCp=0; return kFALSE;} | |
2251 | //---------------------------------------- | |
2252 | ||
2253 | fVertexID = vtx->GetID(); | |
2254 | ||
2255 | if (!cParam) return kTRUE; | |
2256 | ||
2257 | *cParam = *this; | |
2258 | if (!cParam->Update(p,c)) return kFALSE; | |
2259 | ||
2260 | return kTRUE; | |
2261 | } | |
2262 | ||
2263 | //_______________________________________________________________________ | |
2264 | Bool_t AliESDtrack::RelateToVertexBxByBz(const AliESDVertex *vtx, | |
2265 | Double_t b[3], Double_t maxd, AliExternalTrackParam *cParam) { | |
2266 | // | |
2267 | // Try to relate this track to the vertex "vtx", | |
2268 | // if the (rough) transverse impact parameter is not bigger then "maxd". | |
2269 | // Magnetic field is "b" (kG). | |
2270 | // | |
2271 | // a) The track gets extapolated to the DCA to the vertex. | |
2272 | // b) The impact parameters and their covariance matrix are calculated. | |
2273 | // c) An attempt to constrain this track to the vertex is done. | |
2274 | // The constrained params are returned via "cParam". | |
2275 | // | |
2276 | // In the case of success, the returned value is kTRUE | |
2277 | // (otherwise, it's kFALSE) | |
2278 | // | |
2279 | ||
2280 | if (!vtx) return kFALSE; | |
2281 | ||
2282 | Double_t dz[2],cov[3]; | |
2283 | if (!PropagateToDCABxByBz(vtx, b, maxd, dz, cov)) return kFALSE; | |
2284 | ||
2285 | fD = dz[0]; | |
2286 | fZ = dz[1]; | |
2287 | fCdd = cov[0]; | |
2288 | fCdz = cov[1]; | |
2289 | fCzz = cov[2]; | |
2290 | ||
2291 | Double_t covar[6]; vtx->GetCovMatrix(covar); | |
2292 | Double_t p[2]={GetParameter()[0]-dz[0],GetParameter()[1]-dz[1]}; | |
2293 | Double_t c[3]={covar[2],0.,covar[5]}; | |
2294 | ||
2295 | Double_t chi2=GetPredictedChi2(p,c); | |
2296 | if (chi2>kVeryBig) return kFALSE; | |
2297 | ||
2298 | fCchi2=chi2; | |
2299 | ||
2300 | ||
436dfe39 | 2301 | //--- Could now these lines be removed ? --- |
e99a34df | 2302 | delete fCp; |
2303 | fCp=new AliExternalTrackParam(*this); | |
49d13e89 | 2304 | |
e99a34df | 2305 | if (!fCp->Update(p,c)) {delete fCp; fCp=0; return kFALSE;} |
436dfe39 | 2306 | //---------------------------------------- |
2307 | ||
6dc21f57 | 2308 | fVertexID = vtx->GetID(); |
436dfe39 | 2309 | |
2310 | if (!cParam) return kTRUE; | |
2311 | ||
2312 | *cParam = *this; | |
2313 | if (!cParam->Update(p,c)) return kFALSE; | |
2314 | ||
49d13e89 | 2315 | return kTRUE; |
2316 | } | |
2317 | ||
ac2f7574 | 2318 | //_______________________________________________________________________ |
2319 | void AliESDtrack::Print(Option_t *) const { | |
2320 | // Prints info on the track | |
b9ca886f | 2321 | AliExternalTrackParam::Print(); |
5f7789fc | 2322 | printf("ESD track info\n") ; |
304864ab | 2323 | Double_t p[AliPID::kSPECIESN] ; |
ac2f7574 | 2324 | Int_t index = 0 ; |
2325 | if( IsOn(kITSpid) ){ | |
2326 | printf("From ITS: ") ; | |
2327 | GetITSpid(p) ; | |
304864ab | 2328 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 2329 | printf("%f, ", p[index]) ; |
2330 | printf("\n signal = %f\n", GetITSsignal()) ; | |
2331 | } | |
2332 | if( IsOn(kTPCpid) ){ | |
2333 | printf("From TPC: ") ; | |
2334 | GetTPCpid(p) ; | |
304864ab | 2335 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 2336 | printf("%f, ", p[index]) ; |
2337 | printf("\n signal = %f\n", GetTPCsignal()) ; | |
2338 | } | |
2339 | if( IsOn(kTRDpid) ){ | |
2340 | printf("From TRD: ") ; | |
2341 | GetTRDpid(p) ; | |
304864ab | 2342 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 2343 | printf("%f, ", p[index]) ; |
6984f7c1 | 2344 | printf("\n signal = %f\n", GetTRDsignal()) ; |
ac2f7574 | 2345 | } |
2346 | if( IsOn(kTOFpid) ){ | |
2347 | printf("From TOF: ") ; | |
2348 | GetTOFpid(p) ; | |
304864ab | 2349 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 2350 | printf("%f, ", p[index]) ; |
2351 | printf("\n signal = %f\n", GetTOFsignal()) ; | |
2352 | } | |
f4b3bbb7 | 2353 | if( IsOn(kHMPIDpid) ){ |
2354 | printf("From HMPID: ") ; | |
2355 | GetHMPIDpid(p) ; | |
304864ab | 2356 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 2357 | printf("%f, ", p[index]) ; |
f4b3bbb7 | 2358 | printf("\n signal = %f\n", GetHMPIDsignal()) ; |
ac2f7574 | 2359 | } |
ac2f7574 | 2360 | } |
6c94f330 | 2361 | |
0c19adf7 | 2362 | |
2363 | // | |
2364 | // Draw functionality | |
2365 | // Origin: Marian Ivanov, Marian.Ivanov@cern.ch | |
2366 | // | |
2367 | void AliESDtrack::FillPolymarker(TPolyMarker3D *pol, Float_t magF, Float_t minR, Float_t maxR, Float_t stepR){ | |
2368 | // | |
2369 | // Fill points in the polymarker | |
2370 | // | |
2371 | TObjArray arrayRef; | |
2372 | arrayRef.AddLast(new AliExternalTrackParam(*this)); | |
2373 | if (fIp) arrayRef.AddLast(new AliExternalTrackParam(*fIp)); | |
2374 | if (fOp) arrayRef.AddLast(new AliExternalTrackParam(*fOp)); | |
c38d443f | 2375 | if (fHMPIDp) arrayRef.AddLast(new AliExternalTrackParam(*fHMPIDp)); |
0c19adf7 | 2376 | // |
2377 | Double_t mpos[3]={0,0,0}; | |
2378 | Int_t entries=arrayRef.GetEntries(); | |
ddfbc51a | 2379 | for (Int_t i=0;i<entries;i++){ |
0c19adf7 | 2380 | Double_t pos[3]; |
2381 | ((AliExternalTrackParam*)arrayRef.At(i))->GetXYZ(pos); | |
2382 | mpos[0]+=pos[0]/entries; | |
2383 | mpos[1]+=pos[1]/entries; | |
2384 | mpos[2]+=pos[2]/entries; | |
2385 | } | |
2386 | // Rotate to the mean position | |
2387 | // | |
2388 | Float_t fi= TMath::ATan2(mpos[1],mpos[0]); | |
2389 | for (Int_t i=0;i<entries;i++){ | |
2390 | Bool_t res = ((AliExternalTrackParam*)arrayRef.At(i))->Rotate(fi); | |
2391 | if (!res) delete arrayRef.RemoveAt(i); | |
2392 | } | |
2393 | Int_t counter=0; | |
2394 | for (Double_t r=minR; r<maxR; r+=stepR){ | |
2395 | Double_t sweight=0; | |
2396 | Double_t mlpos[3]={0,0,0}; | |
2397 | for (Int_t i=0;i<entries;i++){ | |
2398 | Double_t point[3]={0,0,0}; | |
2399 | AliExternalTrackParam *param = ((AliExternalTrackParam*)arrayRef.At(i)); | |
2400 | if (!param) continue; | |
2401 | if (param->GetXYZAt(r,magF,point)){ | |
2402 | Double_t weight = 1./(10.+(r-param->GetX())*(r-param->GetX())); | |
2403 | sweight+=weight; | |
2404 | mlpos[0]+=point[0]*weight; | |
2405 | mlpos[1]+=point[1]*weight; | |
2406 | mlpos[2]+=point[2]*weight; | |
2407 | } | |
2408 | } | |
2409 | if (sweight>0){ | |
2410 | mlpos[0]/=sweight; | |
2411 | mlpos[1]/=sweight; | |
2412 | mlpos[2]/=sweight; | |
2413 | pol->SetPoint(counter,mlpos[0],mlpos[1], mlpos[2]); | |
047640da | 2414 | // printf("xyz\t%f\t%f\t%f\n",mlpos[0], mlpos[1],mlpos[2]); |
0c19adf7 | 2415 | counter++; |
2416 | } | |
2417 | } | |
2418 | } | |
1d4882da | 2419 | |
2420 | //_______________________________________________________________________ | |
2421 | void AliESDtrack::SetITSdEdxSamples(const Double_t s[4]) { | |
2422 | // | |
2423 | // Store the dE/dx samples measured by the two SSD and two SDD layers. | |
2424 | // These samples are corrected for the track segment length. | |
2425 | // | |
ddfbc51a | 2426 | for (Int_t i=0; i<4; i++) fITSdEdxSamples[i]=s[i]; |
1d4882da | 2427 | } |
2428 | ||
2429 | //_______________________________________________________________________ | |
2430 | void AliESDtrack::GetITSdEdxSamples(Double_t *s) const { | |
2431 | // | |
2432 | // Get the dE/dx samples measured by the two SSD and two SDD layers. | |
2433 | // These samples are corrected for the track segment length. | |
2434 | // | |
ddfbc51a | 2435 | for (Int_t i=0; i<4; i++) s[i]=fITSdEdxSamples[i]; |
1d4882da | 2436 | } |
949840f6 | 2437 | |
2438 | ||
2439 | UShort_t AliESDtrack::GetTPCnclsS(Int_t i0,Int_t i1) const{ | |
2440 | // | |
beb01154 | 2441 | // get number of shared TPC clusters |
949840f6 | 2442 | // |
2443 | return fTPCSharedMap.CountBits(i0)-fTPCSharedMap.CountBits(i1); | |
2444 | } | |
beb01154 | 2445 | |
2446 | UShort_t AliESDtrack::GetTPCncls(Int_t i0,Int_t i1) const{ | |
2447 | // | |
2448 | // get number of TPC clusters | |
2449 | // | |
2450 | return fTPCClusterMap.CountBits(i0)-fTPCClusterMap.CountBits(i1); | |
2451 | } | |
4c3dc2a0 | 2452 | |
2453 | //____________________________________________________________________ | |
2454 | Double_t AliESDtrack::GetChi2TPCConstrainedVsGlobal(const AliESDVertex* vtx) const | |
2455 | { | |
2456 | // Calculates the chi2 between the TPC track (TPCinner) constrained to the primary vertex and the global track | |
2457 | // | |
2458 | // Returns -1 in case the calculation failed | |
2459 | // | |
2460 | // Value is cached as a non-persistent member. | |
2461 | // | |
2462 | // Code adapted from original code by GSI group (Jacek, Marian, Michael) | |
2463 | ||
2464 | // cache, ignoring that a different vertex might be passed | |
2465 | if (fCacheChi2TPCConstrainedVsGlobalVertex == vtx) | |
2466 | return fCacheChi2TPCConstrainedVsGlobal; | |
2467 | ||
2468 | fCacheChi2TPCConstrainedVsGlobal = -1; | |
2469 | fCacheChi2TPCConstrainedVsGlobalVertex = vtx; | |
2470 | ||
2471 | Double_t x[3]; | |
2472 | GetXYZ(x); | |
2473 | Double_t b[3]; | |
2474 | AliTrackerBase::GetBxByBz(x,b); | |
2475 | ||
2476 | if (!fTPCInner) { | |
2477 | AliWarning("Could not get TPC Inner Param."); | |
2478 | return fCacheChi2TPCConstrainedVsGlobal; | |
2479 | } | |
2480 | ||
2481 | // clone for constraining | |
ddfbc51a | 2482 | AliExternalTrackParam* tpcInnerC = new AliExternalTrackParam(*fTPCInner); |
2483 | if (!tpcInnerC) { | |
2484 | AliWarning("Clone of TPCInnerParam failed."); | |
2485 | return fCacheChi2TPCConstrainedVsGlobal; | |
2486 | } | |
4c3dc2a0 | 2487 | |
2488 | // transform to the track reference frame | |
ddfbc51a | 2489 | Bool_t isOK = tpcInnerC->Rotate(GetAlpha()); |
2490 | isOK &= tpcInnerC->PropagateTo(GetX(), b[2]); | |
4c3dc2a0 | 2491 | if (!isOK) { |
ddfbc51a | 2492 | delete tpcInnerC; |
2493 | tpcInnerC = 0; | |
4c3dc2a0 | 2494 | AliWarning("Rotation/Propagation of track failed.") ; |
2495 | return fCacheChi2TPCConstrainedVsGlobal; | |
2496 | } | |
2497 | ||
2498 | // constrain TPCinner | |
ddfbc51a | 2499 | isOK = tpcInnerC->ConstrainToVertex(vtx, b); |
4c3dc2a0 | 2500 | |
2501 | // transform to the track reference frame | |
ddfbc51a | 2502 | isOK &= tpcInnerC->Rotate(GetAlpha()); |
2503 | isOK &= tpcInnerC->PropagateTo(GetX(), b[2]); | |
4c3dc2a0 | 2504 | |
2505 | if (!isOK) { | |
2506 | AliWarning("ConstrainTPCInner failed.") ; | |
ddfbc51a | 2507 | delete tpcInnerC; |
2508 | tpcInnerC = 0; | |
4c3dc2a0 | 2509 | return fCacheChi2TPCConstrainedVsGlobal; |
2510 | } | |
2511 | ||
2512 | // calculate chi2 between vi and vj vectors | |
2513 | // with covi and covj covariance matrices | |
2514 | // chi2ij = (vi-vj)^(T)*(covi+covj)^(-1)*(vi-vj) | |
2515 | TMatrixD deltaT(5,1); | |
2516 | TMatrixD delta(1,5); | |
2517 | TMatrixD covarM(5,5); | |
2518 | ||
ddfbc51a | 2519 | for (Int_t ipar=0; ipar<5; ipar++) { |
2520 | deltaT(ipar,0) = tpcInnerC->GetParameter()[ipar] - GetParameter()[ipar]; | |
2521 | delta(0,ipar) = tpcInnerC->GetParameter()[ipar] - GetParameter()[ipar]; | |
4c3dc2a0 | 2522 | |
2523 | for (Int_t jpar=0; jpar<5; jpar++) { | |
2524 | Int_t index = GetIndex(ipar,jpar); | |
ddfbc51a | 2525 | covarM(ipar,jpar) = GetCovariance()[index]+tpcInnerC->GetCovariance()[index]; |
4c3dc2a0 | 2526 | } |
2527 | } | |
2528 | // chi2 distance TPC constrained and TPC+ITS | |
2529 | TMatrixD covarMInv = covarM.Invert(); | |
2530 | TMatrixD mat2 = covarMInv*deltaT; | |
2531 | TMatrixD chi2 = delta*mat2; | |
ddfbc51a | 2532 | |
2533 | delete tpcInnerC; | |
2534 | tpcInnerC = 0; | |
2535 | ||
4c3dc2a0 | 2536 | fCacheChi2TPCConstrainedVsGlobal = chi2(0,0); |
2537 | return fCacheChi2TPCConstrainedVsGlobal; | |
2538 | } |