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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 | |
ae982df3 | 21 | //----------------------------------------------------------------- |
22 | ||
e1e6896f | 23 | #include <TMath.h> |
49edfa08 | 24 | #include <TParticle.h> |
ae982df3 | 25 | |
49d13e89 | 26 | #include "AliESDVertex.h" |
ae982df3 | 27 | #include "AliESDtrack.h" |
28 | #include "AliKalmanTrack.h" | |
5f7789fc | 29 | #include "AliLog.h" |
15e85efa | 30 | #include "AliTrackPointArray.h" |
ae982df3 | 31 | |
32 | ClassImp(AliESDtrack) | |
33 | ||
562dd0b4 | 34 | void SetPIDValues(Double_t * dest, const Double_t * src, Int_t n) { |
d27bbc79 | 35 | // This function copies "n" PID weights from "scr" to "dest" |
36 | // and normalizes their sum to 1 thus producing conditional probabilities. | |
37 | // The negative weights are set to 0. | |
38 | // In case all the weights are non-positive they are replaced by | |
39 | // uniform probabilities | |
40 | ||
41 | if (n<=0) return; | |
42 | ||
43 | Float_t uniform = 1./(Float_t)n; | |
44 | ||
45 | Float_t sum = 0; | |
46 | for (Int_t i=0; i<n; i++) | |
47 | if (src[i]>=0) { | |
48 | sum+=src[i]; | |
49 | dest[i] = src[i]; | |
50 | } | |
51 | else { | |
52 | dest[i] = 0; | |
53 | } | |
54 | ||
55 | if(sum>0) | |
56 | for (Int_t i=0; i<n; i++) dest[i] /= sum; | |
57 | else | |
58 | for (Int_t i=0; i<n; i++) dest[i] = uniform; | |
59 | } | |
60 | ||
ae982df3 | 61 | //_______________________________________________________________________ |
62 | AliESDtrack::AliESDtrack() : | |
c9ec41e8 | 63 | AliExternalTrackParam(), |
562dd0b4 | 64 | fCp(0), |
65 | fIp(0), | |
66 | fTPCInner(0), | |
67 | fOp(0), | |
68 | fFriendTrack(new AliESDfriendTrack()), | |
69 | fTPCClusterMap(159),//number of padrows | |
70 | fTPCSharedMap(159),//number of padrows | |
90e48c0c | 71 | fFlags(0), |
90e48c0c | 72 | fID(0), |
562dd0b4 | 73 | fLabel(0), |
74 | fITSLabel(0), | |
75 | fTPCLabel(0), | |
76 | fTRDLabel(0), | |
77 | fTOFCalChannel(0), | |
78 | fTOFindex(0), | |
79 | fHMPIDqn(0), | |
80 | fHMPIDcluIdx(0), | |
81 | fEMCALindex(kEMCALNoMatch), | |
82 | fHMPIDtrkTheta(0), | |
83 | fHMPIDtrkPhi(0), | |
84 | fHMPIDsignal(0), | |
90e48c0c | 85 | fTrackLength(0), |
49d13e89 | 86 | fD(0),fZ(0), |
87 | fCdd(0),fCdz(0),fCzz(0), | |
562dd0b4 | 88 | fCchi2(0), |
90e48c0c | 89 | fITSchi2(0), |
90e48c0c | 90 | fTPCchi2(0), |
562dd0b4 | 91 | fTRDchi2(0), |
92 | fTOFchi2(0), | |
93 | fHMPIDchi2(0), | |
94 | fITSsignal(0), | |
90e48c0c | 95 | fTPCsignal(0), |
e1d4c1b5 | 96 | fTPCsignalS(0), |
90e48c0c | 97 | fTRDsignal(0), |
90e48c0c | 98 | fTRDQuality(0), |
23d49657 | 99 | fTRDBudget(0), |
562dd0b4 | 100 | fTOFsignal(0), |
85324138 | 101 | fTOFsignalToT(0), |
d321691a | 102 | fTOFsignalRaw(0), |
103 | fTOFsignalDz(0), | |
562dd0b4 | 104 | fHMPIDtrkX(0), |
105 | fHMPIDtrkY(0), | |
106 | fHMPIDmipX(0), | |
107 | fHMPIDmipY(0), | |
108 | fTPCncls(0), | |
109 | fTPCnclsF(0), | |
110 | fTPCsignalN(0), | |
111 | fITSncls(0), | |
112 | fITSClusterMap(0), | |
113 | fTRDncls(0), | |
114 | fTRDncls0(0), | |
115 | fTRDpidQuality(0) | |
ae982df3 | 116 | { |
117 | // | |
118 | // The default ESD constructor | |
119 | // | |
6d45eaef | 120 | Int_t i, j; |
6238d7a9 | 121 | for (i=0; i<AliPID::kSPECIES; i++) { |
4a78b8c5 | 122 | fTrackTime[i]=0.; |
562dd0b4 | 123 | fR[i]=0.; |
124 | fITSr[i]=0.; | |
125 | fTPCr[i]=0.; | |
126 | fTRDr[i]=0.; | |
127 | fTOFr[i]=0.; | |
128 | fHMPIDr[i]=0.; | |
2bad268c | 129 | } |
ac2f7574 | 130 | |
ef7253ac | 131 | for (i=0; i<3; i++) { fKinkIndexes[i]=0;} |
562dd0b4 | 132 | for (i=0; i<3; i++) { fV0Indexes[i]=0;} |
6d45eaef | 133 | for (i=0;i<kNPlane;i++) { |
134 | for (j=0;j<kNSlice;j++) { | |
135 | fTRDsignals[i][j]=0.; | |
136 | } | |
562dd0b4 | 137 | fTRDTimBin[i]=0; |
6d45eaef | 138 | } |
562dd0b4 | 139 | for (i=0;i<4;i++) {fTPCPoints[i]=0;} |
140 | for (i=0;i<3;i++) {fTOFLabel[i]=0;} | |
141 | for (i=0;i<10;i++) {fTOFInfo[i]=0;} | |
89f1b176 | 142 | for (i=0;i<12;i++) {fITSModule[i]=-1;} |
c4d11b15 | 143 | } |
144 | ||
145 | //_______________________________________________________________________ | |
90e48c0c | 146 | AliESDtrack::AliESDtrack(const AliESDtrack& track): |
c9ec41e8 | 147 | AliExternalTrackParam(track), |
562dd0b4 | 148 | fCp(0), |
149 | fIp(0), | |
150 | fTPCInner(0), | |
151 | fOp(0), | |
152 | fFriendTrack(0), | |
153 | fTPCClusterMap(track.fTPCClusterMap), | |
154 | fTPCSharedMap(track.fTPCSharedMap), | |
90e48c0c | 155 | fFlags(track.fFlags), |
90e48c0c | 156 | fID(track.fID), |
562dd0b4 | 157 | fLabel(track.fLabel), |
158 | fITSLabel(track.fITSLabel), | |
159 | fTPCLabel(track.fTPCLabel), | |
160 | fTRDLabel(track.fTRDLabel), | |
161 | fTOFCalChannel(track.fTOFCalChannel), | |
162 | fTOFindex(track.fTOFindex), | |
163 | fHMPIDqn(track.fHMPIDqn), | |
164 | fHMPIDcluIdx(track.fHMPIDcluIdx), | |
165 | fEMCALindex(track.fEMCALindex), | |
166 | fHMPIDtrkTheta(track.fHMPIDtrkTheta), | |
167 | fHMPIDtrkPhi(track.fHMPIDtrkPhi), | |
168 | fHMPIDsignal(track.fHMPIDsignal), | |
90e48c0c | 169 | fTrackLength(track.fTrackLength), |
49d13e89 | 170 | fD(track.fD),fZ(track.fZ), |
171 | fCdd(track.fCdd),fCdz(track.fCdz),fCzz(track.fCzz), | |
90e48c0c | 172 | fCchi2(track.fCchi2), |
90e48c0c | 173 | fITSchi2(track.fITSchi2), |
90e48c0c | 174 | fTPCchi2(track.fTPCchi2), |
562dd0b4 | 175 | fTRDchi2(track.fTRDchi2), |
176 | fTOFchi2(track.fTOFchi2), | |
177 | fHMPIDchi2(track.fHMPIDchi2), | |
178 | fITSsignal(track.fITSsignal), | |
90e48c0c | 179 | fTPCsignal(track.fTPCsignal), |
e1d4c1b5 | 180 | fTPCsignalS(track.fTPCsignalS), |
90e48c0c | 181 | fTRDsignal(track.fTRDsignal), |
90e48c0c | 182 | fTRDQuality(track.fTRDQuality), |
23d49657 | 183 | fTRDBudget(track.fTRDBudget), |
90e48c0c | 184 | fTOFsignal(track.fTOFsignal), |
85324138 | 185 | fTOFsignalToT(track.fTOFsignalToT), |
d321691a | 186 | fTOFsignalRaw(track.fTOFsignalRaw), |
187 | fTOFsignalDz(track.fTOFsignalDz), | |
f4b3bbb7 | 188 | fHMPIDtrkX(track.fHMPIDtrkX), |
189 | fHMPIDtrkY(track.fHMPIDtrkY), | |
190 | fHMPIDmipX(track.fHMPIDmipX), | |
191 | fHMPIDmipY(track.fHMPIDmipY), | |
562dd0b4 | 192 | fTPCncls(track.fTPCncls), |
193 | fTPCnclsF(track.fTPCnclsF), | |
194 | fTPCsignalN(track.fTPCsignalN), | |
195 | fITSncls(track.fITSncls), | |
196 | fITSClusterMap(track.fITSClusterMap), | |
197 | fTRDncls(track.fTRDncls), | |
198 | fTRDncls0(track.fTRDncls0), | |
199 | fTRDpidQuality(track.fTRDpidQuality) | |
90e48c0c | 200 | { |
c4d11b15 | 201 | // |
202 | //copy constructor | |
203 | // | |
ef7253ac | 204 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTrackTime[i]=track.fTrackTime[i]; |
205 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fR[i]=track.fR[i]; | |
c4d11b15 | 206 | // |
304864ab | 207 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fITSr[i]=track.fITSr[i]; |
c4d11b15 | 208 | // |
304864ab | 209 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=track.fTPCr[i]; |
51ad6848 | 210 | for (Int_t i=0;i<4;i++) {fTPCPoints[i]=track.fTPCPoints[i];} |
211 | for (Int_t i=0; i<3;i++) { fKinkIndexes[i]=track.fKinkIndexes[i];} | |
212 | for (Int_t i=0; i<3;i++) { fV0Indexes[i]=track.fV0Indexes[i];} | |
c4d11b15 | 213 | // |
eab5961e | 214 | for (Int_t i=0;i<kNPlane;i++) { |
6d45eaef | 215 | for (Int_t j=0;j<kNSlice;j++) { |
216 | fTRDsignals[i][j]=track.fTRDsignals[i][j]; | |
217 | } | |
218 | fTRDTimBin[i]=track.fTRDTimBin[i]; | |
eab5961e | 219 | } |
304864ab | 220 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTRDr[i]=track.fTRDr[i]; |
304864ab | 221 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTOFr[i]=track.fTOFr[i]; |
51ad6848 | 222 | for (Int_t i=0;i<3;i++) fTOFLabel[i]=track.fTOFLabel[i]; |
223 | for (Int_t i=0;i<10;i++) fTOFInfo[i]=track.fTOFInfo[i]; | |
89f1b176 | 224 | for (Int_t i=0;i<12;i++) fITSModule[i]=track.fITSModule[i]; |
f4b3bbb7 | 225 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fHMPIDr[i]=track.fHMPIDr[i]; |
c9ec41e8 | 226 | |
227 | if (track.fCp) fCp=new AliExternalTrackParam(*track.fCp); | |
228 | if (track.fIp) fIp=new AliExternalTrackParam(*track.fIp); | |
4aeb9470 | 229 | if (track.fTPCInner) fTPCInner=new AliExternalTrackParam(*track.fTPCInner); |
c9ec41e8 | 230 | if (track.fOp) fOp=new AliExternalTrackParam(*track.fOp); |
15e85efa | 231 | |
8497bca0 | 232 | if (track.fFriendTrack) fFriendTrack=new AliESDfriendTrack(*(track.fFriendTrack)); |
ae982df3 | 233 | } |
15e85efa | 234 | |
49edfa08 | 235 | //_______________________________________________________________________ |
236 | AliESDtrack::AliESDtrack(TParticle * part) : | |
237 | AliExternalTrackParam(), | |
562dd0b4 | 238 | fCp(0), |
239 | fIp(0), | |
240 | fTPCInner(0), | |
241 | fOp(0), | |
242 | fFriendTrack(0), | |
243 | fTPCClusterMap(159),//number of padrows | |
244 | fTPCSharedMap(159),//number of padrows | |
49edfa08 | 245 | fFlags(0), |
49edfa08 | 246 | fID(0), |
562dd0b4 | 247 | fLabel(0), |
248 | fITSLabel(0), | |
249 | fTPCLabel(0), | |
250 | fTRDLabel(0), | |
251 | fTOFCalChannel(0), | |
252 | fTOFindex(0), | |
253 | fHMPIDqn(0), | |
254 | fHMPIDcluIdx(0), | |
255 | fEMCALindex(kEMCALNoMatch), | |
256 | fHMPIDtrkTheta(0), | |
257 | fHMPIDtrkPhi(0), | |
258 | fHMPIDsignal(0), | |
49edfa08 | 259 | fTrackLength(0), |
260 | fD(0),fZ(0), | |
261 | fCdd(0),fCdz(0),fCzz(0), | |
562dd0b4 | 262 | fCchi2(0), |
49edfa08 | 263 | fITSchi2(0), |
49edfa08 | 264 | fTPCchi2(0), |
562dd0b4 | 265 | fTRDchi2(0), |
266 | fTOFchi2(0), | |
267 | fHMPIDchi2(0), | |
268 | fITSsignal(0), | |
49edfa08 | 269 | fTPCsignal(0), |
49edfa08 | 270 | fTPCsignalS(0), |
49edfa08 | 271 | fTRDsignal(0), |
49edfa08 | 272 | fTRDQuality(0), |
273 | fTRDBudget(0), | |
562dd0b4 | 274 | fTOFsignal(0), |
49edfa08 | 275 | fTOFsignalToT(0), |
d321691a | 276 | fTOFsignalRaw(0), |
277 | fTOFsignalDz(0), | |
562dd0b4 | 278 | fHMPIDtrkX(0), |
279 | fHMPIDtrkY(0), | |
280 | fHMPIDmipX(0), | |
281 | fHMPIDmipY(0), | |
282 | fTPCncls(0), | |
283 | fTPCnclsF(0), | |
284 | fTPCsignalN(0), | |
285 | fITSncls(0), | |
286 | fITSClusterMap(0), | |
287 | fTRDncls(0), | |
288 | fTRDncls0(0), | |
289 | fTRDpidQuality(0) | |
49edfa08 | 290 | { |
291 | // | |
292 | // ESD track from TParticle | |
293 | // | |
294 | ||
295 | // Reset all the arrays | |
296 | Int_t i, j; | |
297 | for (i=0; i<AliPID::kSPECIES; i++) { | |
298 | fTrackTime[i]=0.; | |
299 | fR[i]=0.; | |
300 | fITSr[i]=0.; | |
301 | fTPCr[i]=0.; | |
302 | fTRDr[i]=0.; | |
303 | fTOFr[i]=0.; | |
f4b3bbb7 | 304 | fHMPIDr[i]=0.; |
49edfa08 | 305 | } |
306 | ||
307 | for (i=0; i<3; i++) { fKinkIndexes[i]=0;} | |
308 | for (i=0; i<3; i++) { fV0Indexes[i]=-1;} | |
309 | for (i=0;i<kNPlane;i++) { | |
310 | for (j=0;j<kNSlice;j++) { | |
311 | fTRDsignals[i][j]=0.; | |
312 | } | |
562dd0b4 | 313 | fTRDTimBin[i]=0; |
49edfa08 | 314 | } |
562dd0b4 | 315 | for (i=0;i<4;i++) {fTPCPoints[i]=0;} |
316 | for (i=0;i<3;i++) {fTOFLabel[i]=0;} | |
317 | for (i=0;i<10;i++) {fTOFInfo[i]=0;} | |
89f1b176 | 318 | for (i=0;i<12;i++) {fITSModule[i]=-1;} |
49edfa08 | 319 | |
320 | // Calculate the AliExternalTrackParam content | |
321 | ||
322 | Double_t xref; | |
323 | Double_t alpha; | |
324 | Double_t param[5]; | |
325 | Double_t covar[15]; | |
326 | ||
327 | // Calculate alpha: the rotation angle of the corresponding local system (TPC sector) | |
328 | alpha = part->Phi()*180./TMath::Pi(); | |
329 | if (alpha<0) alpha+= 360.; | |
330 | if (alpha>360) alpha -= 360.; | |
331 | ||
332 | Int_t sector = (Int_t)(alpha/20.); | |
333 | alpha = 10. + 20.*sector; | |
334 | alpha /= 180; | |
335 | alpha *= TMath::Pi(); | |
336 | ||
337 | // Covariance matrix: no errors, the parameters are exact | |
6c27b212 | 338 | for (i=0; i<15; i++) covar[i]=0.; |
49edfa08 | 339 | |
340 | // Get the vertex of origin and the momentum | |
341 | TVector3 ver(part->Vx(),part->Vy(),part->Vz()); | |
342 | TVector3 mom(part->Px(),part->Py(),part->Pz()); | |
343 | ||
344 | // Rotate to the local coordinate system (TPC sector) | |
345 | ver.RotateZ(-alpha); | |
346 | mom.RotateZ(-alpha); | |
347 | ||
348 | // X of the referense plane | |
349 | xref = ver.X(); | |
350 | ||
351 | Int_t pdgCode = part->GetPdgCode(); | |
352 | ||
353 | Double_t charge = | |
354 | TDatabasePDG::Instance()->GetParticle(pdgCode)->Charge(); | |
355 | ||
356 | param[0] = ver.Y(); | |
357 | param[1] = ver.Z(); | |
358 | param[2] = TMath::Sin(mom.Phi()); | |
359 | param[3] = mom.Pz()/mom.Pt(); | |
360 | param[4] = TMath::Sign(1/mom.Pt(),charge); | |
361 | ||
362 | // Set AliExternalTrackParam | |
363 | Set(xref, alpha, param, covar); | |
364 | ||
365 | // Set the PID | |
366 | Int_t indexPID = 99; | |
367 | ||
368 | switch (TMath::Abs(pdgCode)) { | |
369 | ||
370 | case 11: // electron | |
371 | indexPID = 0; | |
372 | break; | |
373 | ||
374 | case 13: // muon | |
375 | indexPID = 1; | |
376 | break; | |
377 | ||
378 | case 211: // pion | |
379 | indexPID = 2; | |
380 | break; | |
381 | ||
382 | case 321: // kaon | |
383 | indexPID = 3; | |
384 | break; | |
385 | ||
386 | case 2212: // proton | |
387 | indexPID = 4; | |
388 | break; | |
389 | ||
390 | default: | |
391 | break; | |
392 | } | |
393 | ||
394 | // If the particle is not e,mu,pi,K or p the PID probabilities are set to 0 | |
395 | if (indexPID < AliPID::kSPECIES) { | |
396 | fR[indexPID]=1.; | |
397 | fITSr[indexPID]=1.; | |
398 | fTPCr[indexPID]=1.; | |
399 | fTRDr[indexPID]=1.; | |
400 | fTOFr[indexPID]=1.; | |
f4b3bbb7 | 401 | fHMPIDr[indexPID]=1.; |
49edfa08 | 402 | |
403 | } | |
404 | // AliESD track label | |
405 | SetLabel(part->GetUniqueID()); | |
406 | ||
407 | } | |
408 | ||
c4d11b15 | 409 | //_______________________________________________________________________ |
410 | AliESDtrack::~AliESDtrack(){ | |
411 | // | |
412 | // This is destructor according Coding Conventrions | |
413 | // | |
414 | //printf("Delete track\n"); | |
c9ec41e8 | 415 | delete fIp; |
4aeb9470 | 416 | delete fTPCInner; |
c9ec41e8 | 417 | delete fOp; |
418 | delete fCp; | |
15e85efa | 419 | delete fFriendTrack; |
c4d11b15 | 420 | } |
ae982df3 | 421 | |
00dce61a | 422 | void AliESDtrack::AddCalibObject(TObject * object){ |
423 | // | |
424 | // add calib object to the list | |
425 | // | |
426 | if (!fFriendTrack) fFriendTrack = new AliESDfriendTrack; | |
427 | fFriendTrack->AddCalibObject(object); | |
428 | } | |
429 | ||
430 | TObject * AliESDtrack::GetCalibObject(Int_t index){ | |
431 | // | |
432 | // return calib objct at given position | |
433 | // | |
434 | if (!fFriendTrack) return 0; | |
435 | return fFriendTrack->GetCalibObject(index); | |
436 | } | |
437 | ||
438 | ||
9559cbc4 | 439 | //_______________________________________________________________________ |
440 | void AliESDtrack::MakeMiniESDtrack(){ | |
441 | // Resets everything except | |
442 | // fFlags: Reconstruction status flags | |
443 | // fLabel: Track label | |
444 | // fID: Unique ID of the track | |
445 | // fD: Impact parameter in XY-plane | |
446 | // fZ: Impact parameter in Z | |
447 | // fR[AliPID::kSPECIES]: combined "detector response probability" | |
8497bca0 | 448 | // Running track parameters in the base class (AliExternalTrackParam) |
9559cbc4 | 449 | |
450 | fTrackLength = 0; | |
562dd0b4 | 451 | |
9559cbc4 | 452 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTrackTime[i] = 0; |
9559cbc4 | 453 | |
454 | // Reset track parameters constrained to the primary vertex | |
562dd0b4 | 455 | delete fCp;fCp = 0; |
9559cbc4 | 456 | fCchi2 = 0; |
457 | ||
458 | // Reset track parameters at the inner wall of TPC | |
562dd0b4 | 459 | delete fIp;fIp = 0; |
460 | delete fTPCInner;fTPCInner=0; | |
9559cbc4 | 461 | // Reset track parameters at the inner wall of the TRD |
562dd0b4 | 462 | delete fOp;fOp = 0; |
463 | ||
9559cbc4 | 464 | |
465 | // Reset ITS track related information | |
466 | fITSchi2 = 0; | |
9559cbc4 | 467 | fITSncls = 0; |
62665e7f | 468 | fITSClusterMap=0; |
9559cbc4 | 469 | fITSsignal = 0; |
ef7253ac | 470 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fITSr[i]=0; |
9559cbc4 | 471 | fITSLabel = 0; |
9559cbc4 | 472 | |
473 | // Reset TPC related track information | |
474 | fTPCchi2 = 0; | |
475 | fTPCncls = 0; | |
e1d4c1b5 | 476 | fTPCnclsF = 0; |
9559cbc4 | 477 | fTPCClusterMap = 0; |
eb7f6854 | 478 | fTPCSharedMap = 0; |
9559cbc4 | 479 | fTPCsignal= 0; |
e1d4c1b5 | 480 | fTPCsignalS= 0; |
481 | fTPCsignalN= 0; | |
9559cbc4 | 482 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=0; |
483 | fTPCLabel=0; | |
484 | for (Int_t i=0;i<4;i++) fTPCPoints[i] = 0; | |
485 | for (Int_t i=0; i<3;i++) fKinkIndexes[i] = 0; | |
486 | for (Int_t i=0; i<3;i++) fV0Indexes[i] = 0; | |
487 | ||
488 | // Reset TRD related track information | |
489 | fTRDchi2 = 0; | |
490 | fTRDncls = 0; | |
491 | fTRDncls0 = 0; | |
9559cbc4 | 492 | fTRDsignal = 0; |
493 | for (Int_t i=0;i<kNPlane;i++) { | |
6d45eaef | 494 | for (Int_t j=0;j<kNSlice;j++) { |
495 | fTRDsignals[i][j] = 0; | |
496 | } | |
497 | fTRDTimBin[i] = 0; | |
9559cbc4 | 498 | } |
499 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTRDr[i] = 0; | |
500 | fTRDLabel = 0; | |
9559cbc4 | 501 | fTRDQuality = 0; |
562dd0b4 | 502 | fTRDpidQuality = 0; |
23d49657 | 503 | fTRDBudget = 0; |
9559cbc4 | 504 | |
505 | // Reset TOF related track information | |
506 | fTOFchi2 = 0; | |
507 | fTOFindex = 0; | |
508 | fTOFsignal = 0; | |
562dd0b4 | 509 | fTOFCalChannel = 0; |
85324138 | 510 | fTOFsignalToT = 0; |
d321691a | 511 | fTOFsignalRaw = 0; |
512 | fTOFsignalDz = 0; | |
9559cbc4 | 513 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fTOFr[i] = 0; |
514 | for (Int_t i=0;i<3;i++) fTOFLabel[i] = 0; | |
515 | for (Int_t i=0;i<10;i++) fTOFInfo[i] = 0; | |
516 | ||
f4b3bbb7 | 517 | // Reset HMPID related track information |
518 | fHMPIDchi2 = 0; | |
562dd0b4 | 519 | fHMPIDqn = 0; |
520 | fHMPIDcluIdx = 0; | |
f4b3bbb7 | 521 | fHMPIDsignal = 0; |
522 | for (Int_t i=0;i<AliPID::kSPECIES;i++) fHMPIDr[i] = 0; | |
562dd0b4 | 523 | fHMPIDtrkTheta = 0; |
524 | fHMPIDtrkPhi = 0; | |
525 | fHMPIDtrkX = 0; | |
526 | fHMPIDtrkY = 0; | |
527 | fHMPIDmipX = 0; | |
528 | fHMPIDmipY = 0; | |
2e1dcd14 | 529 | fEMCALindex = kEMCALNoMatch; |
9559cbc4 | 530 | |
15e85efa | 531 | delete fFriendTrack; fFriendTrack = 0; |
9559cbc4 | 532 | } |
ae982df3 | 533 | //_______________________________________________________________________ |
4a78b8c5 | 534 | Double_t AliESDtrack::GetMass() const { |
4427806c | 535 | // Returns the mass of the most probable particle type |
ae982df3 | 536 | Float_t max=0.; |
537 | Int_t k=-1; | |
304864ab | 538 | for (Int_t i=0; i<AliPID::kSPECIES; i++) { |
ae982df3 | 539 | if (fR[i]>max) {k=i; max=fR[i];} |
540 | } | |
db3989b3 | 541 | if (k==0) { // dE/dx "crossing points" in the TPC |
542 | Double_t p=GetP(); | |
543 | if ((p>0.38)&&(p<0.48)) | |
304864ab | 544 | if (fR[0]<fR[3]*10.) return AliPID::ParticleMass(AliPID::kKaon); |
db3989b3 | 545 | if ((p>0.75)&&(p<0.85)) |
304864ab | 546 | if (fR[0]<fR[4]*10.) return AliPID::ParticleMass(AliPID::kProton); |
db3989b3 | 547 | return 0.00051; |
548 | } | |
304864ab | 549 | if (k==1) return AliPID::ParticleMass(AliPID::kMuon); |
550 | if (k==2||k==-1) return AliPID::ParticleMass(AliPID::kPion); | |
551 | if (k==3) return AliPID::ParticleMass(AliPID::kKaon); | |
552 | if (k==4) return AliPID::ParticleMass(AliPID::kProton); | |
5f7789fc | 553 | AliWarning("Undefined mass !"); |
304864ab | 554 | return AliPID::ParticleMass(AliPID::kPion); |
ae982df3 | 555 | } |
556 | ||
aad8d435 | 557 | //______________________________________________________________________________ |
558 | Double_t AliESDtrack::E() const | |
559 | { | |
560 | // Returns the energy of the particle given its assumed mass. | |
561 | // Assumes the pion mass if the particle can't be identified properly. | |
562 | ||
563 | Double_t m = M(); | |
564 | Double_t p = P(); | |
565 | return TMath::Sqrt(p*p + m*m); | |
566 | } | |
567 | ||
568 | //______________________________________________________________________________ | |
569 | Double_t AliESDtrack::Y() const | |
570 | { | |
571 | // Returns the rapidity of a particle given its assumed mass. | |
572 | // Assumes the pion mass if the particle can't be identified properly. | |
573 | ||
574 | Double_t e = E(); | |
575 | Double_t pz = Pz(); | |
e03e4544 | 576 | if (e != TMath::Abs(pz)) { // energy was not equal to pz |
aad8d435 | 577 | return 0.5*TMath::Log((e+pz)/(e-pz)); |
578 | } else { // energy was equal to pz | |
579 | return -999.; | |
580 | } | |
581 | } | |
582 | ||
ae982df3 | 583 | //_______________________________________________________________________ |
c9ec41e8 | 584 | Bool_t AliESDtrack::UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags){ |
ae982df3 | 585 | // |
586 | // This function updates track's running parameters | |
587 | // | |
15e85efa | 588 | Int_t *index=0; |
15614b8b | 589 | Bool_t rc=kTRUE; |
590 | ||
9b859005 | 591 | SetStatus(flags); |
592 | fLabel=t->GetLabel(); | |
593 | ||
594 | if (t->IsStartedTimeIntegral()) { | |
595 | SetStatus(kTIME); | |
596 | Double_t times[10];t->GetIntegratedTimes(times); SetIntegratedTimes(times); | |
597 | SetIntegratedLength(t->GetIntegratedLength()); | |
598 | } | |
599 | ||
6c94f330 | 600 | Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); |
e1d4c1b5 | 601 | |
ae982df3 | 602 | switch (flags) { |
ad2f1f2b | 603 | |
9b859005 | 604 | case kITSin: case kITSout: case kITSrefit: |
48704648 | 605 | fITSClusterMap=0; |
ae982df3 | 606 | fITSncls=t->GetNumberOfClusters(); |
62665e7f | 607 | index=fFriendTrack->GetITSindices(); |
608 | for (Int_t i=0;i<AliESDfriendTrack::kMaxITScluster;i++) { | |
609 | index[i]=t->GetClusterIndex(i); | |
610 | if (i<fITSncls) { | |
611 | Int_t l=(index[i] & 0xf0000000) >> 28; | |
612 | SETBIT(fITSClusterMap,l); | |
613 | } | |
614 | } | |
ae982df3 | 615 | fITSchi2=t->GetChi2(); |
ae982df3 | 616 | fITSsignal=t->GetPIDsignal(); |
6e5b1b04 | 617 | fITSLabel = t->GetLabel(); |
ae982df3 | 618 | break; |
ad2f1f2b | 619 | |
9b859005 | 620 | case kTPCin: case kTPCrefit: |
6e5b1b04 | 621 | fTPCLabel = t->GetLabel(); |
4aeb9470 | 622 | if (flags==kTPCin) fTPCInner=new AliExternalTrackParam(*t); |
c9ec41e8 | 623 | if (!fIp) fIp=new AliExternalTrackParam(*t); |
6c94f330 | 624 | else |
625 | fIp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); | |
9b859005 | 626 | case kTPCout: |
15e85efa | 627 | index=fFriendTrack->GetTPCindices(); |
1d303a24 | 628 | if (flags & kTPCout){ |
629 | if (!fOp) fOp=new AliExternalTrackParam(*t); | |
6c94f330 | 630 | else |
631 | fOp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); | |
1d303a24 | 632 | } |
e1d4c1b5 | 633 | fTPCncls=t->GetNumberOfClusters(); |
ae982df3 | 634 | fTPCchi2=t->GetChi2(); |
a866ac60 | 635 | |
636 | {//prevrow must be declared in separate namespace, otherwise compiler cries: | |
637 | //"jump to case label crosses initialization of `Int_t prevrow'" | |
638 | Int_t prevrow = -1; | |
6e5b1b04 | 639 | // for (Int_t i=0;i<fTPCncls;i++) |
15e85efa | 640 | for (Int_t i=0;i<AliESDfriendTrack::kMaxTPCcluster;i++) |
a866ac60 | 641 | { |
15e85efa | 642 | index[i]=t->GetClusterIndex(i); |
643 | Int_t idx = index[i]; | |
a866ac60 | 644 | |
15e85efa | 645 | if (idx<0) continue; |
9fe5b2ff | 646 | |
a866ac60 | 647 | // Piotr's Cluster Map for HBT |
648 | // ### please change accordingly if cluster array is changing | |
649 | // to "New TPC Tracking" style (with gaps in array) | |
a866ac60 | 650 | Int_t sect = (idx&0xff000000)>>24; |
651 | Int_t row = (idx&0x00ff0000)>>16; | |
652 | if (sect > 18) row +=63; //if it is outer sector, add number of inner sectors | |
653 | ||
654 | fTPCClusterMap.SetBitNumber(row,kTRUE); | |
655 | ||
656 | //Fill the gap between previous row and this row with 0 bits | |
657 | //In case ### pleas change it as well - just set bit 0 in case there | |
658 | //is no associated clusters for current "i" | |
659 | if (prevrow < 0) | |
660 | { | |
661 | prevrow = row;//if previous bit was not assigned yet == this is the first one | |
662 | } | |
663 | else | |
664 | { //we don't know the order (inner to outer or reverse) | |
665 | //just to be save in case it is going to change | |
666 | Int_t n = 0, m = 0; | |
667 | if (prevrow < row) | |
668 | { | |
669 | n = prevrow; | |
670 | m = row; | |
671 | } | |
672 | else | |
673 | { | |
674 | n = row; | |
675 | m = prevrow; | |
676 | } | |
677 | ||
678 | for (Int_t j = n+1; j < m; j++) | |
679 | { | |
680 | fTPCClusterMap.SetBitNumber(j,kFALSE); | |
681 | } | |
682 | prevrow = row; | |
683 | } | |
684 | // End Of Piotr's Cluster Map for HBT | |
685 | } | |
686 | } | |
ae982df3 | 687 | fTPCsignal=t->GetPIDsignal(); |
ae982df3 | 688 | break; |
9b859005 | 689 | |
23904d16 | 690 | case kTRDout: case kTRDin: case kTRDrefit: |
15e85efa | 691 | index=fFriendTrack->GetTRDindices(); |
51ad6848 | 692 | fTRDLabel = t->GetLabel(); |
79e94bf8 | 693 | fTRDchi2=t->GetChi2(); |
5bc3e158 | 694 | fTRDncls=6;//t->GetNumberOfTracklets(); //t->GetNumberOfClusters(); |
695 | //for (Int_t i=0;i<fTRDncls;i++) index[i]=t->GetClusterIndex(i); | |
696 | for (Int_t i=0;i<6;i++) index[i]=t->GetTrackletIndex(i); | |
697 | ||
79e94bf8 | 698 | fTRDsignal=t->GetPIDsignal(); |
699 | break; | |
c4d11b15 | 700 | case kTRDbackup: |
c9ec41e8 | 701 | if (!fOp) fOp=new AliExternalTrackParam(*t); |
6c94f330 | 702 | else |
703 | fOp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance()); | |
c4d11b15 | 704 | fTRDncls0 = t->GetNumberOfClusters(); |
705 | break; | |
706 | case kTOFin: | |
707 | break; | |
708 | case kTOFout: | |
709 | break; | |
d0862fea | 710 | case kTRDStop: |
711 | break; | |
ae982df3 | 712 | default: |
5f7789fc | 713 | AliError("Wrong flag !"); |
ae982df3 | 714 | return kFALSE; |
715 | } | |
716 | ||
15614b8b | 717 | return rc; |
ae982df3 | 718 | } |
719 | ||
720 | //_______________________________________________________________________ | |
721 | void AliESDtrack::GetExternalParameters(Double_t &x, Double_t p[5]) const { | |
722 | //--------------------------------------------------------------------- | |
723 | // This function returns external representation of the track parameters | |
724 | //--------------------------------------------------------------------- | |
c9ec41e8 | 725 | x=GetX(); |
726 | for (Int_t i=0; i<5; i++) p[i]=GetParameter()[i]; | |
15614b8b | 727 | } |
728 | ||
67c3dcbe | 729 | //_______________________________________________________________________ |
a866ac60 | 730 | void AliESDtrack::GetExternalCovariance(Double_t cov[15]) const { |
67c3dcbe | 731 | //--------------------------------------------------------------------- |
732 | // This function returns external representation of the cov. matrix | |
733 | //--------------------------------------------------------------------- | |
c9ec41e8 | 734 | for (Int_t i=0; i<15; i++) cov[i]=AliExternalTrackParam::GetCovariance()[i]; |
67c3dcbe | 735 | } |
736 | ||
67c3dcbe | 737 | //_______________________________________________________________________ |
c0b978f0 | 738 | Bool_t AliESDtrack::GetConstrainedExternalParameters |
739 | (Double_t &alpha, Double_t &x, Double_t p[5]) const { | |
67c3dcbe | 740 | //--------------------------------------------------------------------- |
741 | // This function returns the constrained external track parameters | |
742 | //--------------------------------------------------------------------- | |
c0b978f0 | 743 | if (!fCp) return kFALSE; |
744 | alpha=fCp->GetAlpha(); | |
c9ec41e8 | 745 | x=fCp->GetX(); |
746 | for (Int_t i=0; i<5; i++) p[i]=fCp->GetParameter()[i]; | |
c0b978f0 | 747 | return kTRUE; |
67c3dcbe | 748 | } |
c9ec41e8 | 749 | |
67c3dcbe | 750 | //_______________________________________________________________________ |
c0b978f0 | 751 | Bool_t |
67c3dcbe | 752 | AliESDtrack::GetConstrainedExternalCovariance(Double_t c[15]) const { |
753 | //--------------------------------------------------------------------- | |
754 | // This function returns the constrained external cov. matrix | |
755 | //--------------------------------------------------------------------- | |
c0b978f0 | 756 | if (!fCp) return kFALSE; |
c9ec41e8 | 757 | for (Int_t i=0; i<15; i++) c[i]=fCp->GetCovariance()[i]; |
c0b978f0 | 758 | return kTRUE; |
67c3dcbe | 759 | } |
760 | ||
c0b978f0 | 761 | Bool_t |
762 | AliESDtrack::GetInnerExternalParameters | |
763 | (Double_t &alpha, Double_t &x, Double_t p[5]) const { | |
764 | //--------------------------------------------------------------------- | |
c9ec41e8 | 765 | // This function returns external representation of the track parameters |
766 | // at the inner layer of TPC | |
9b859005 | 767 | //--------------------------------------------------------------------- |
c0b978f0 | 768 | if (!fIp) return kFALSE; |
769 | alpha=fIp->GetAlpha(); | |
c9ec41e8 | 770 | x=fIp->GetX(); |
771 | for (Int_t i=0; i<5; i++) p[i]=fIp->GetParameter()[i]; | |
c0b978f0 | 772 | return kTRUE; |
9b859005 | 773 | } |
774 | ||
c0b978f0 | 775 | Bool_t |
776 | AliESDtrack::GetInnerExternalCovariance(Double_t cov[15]) const { | |
c9ec41e8 | 777 | //--------------------------------------------------------------------- |
778 | // This function returns external representation of the cov. matrix | |
779 | // at the inner layer of TPC | |
780 | //--------------------------------------------------------------------- | |
c0b978f0 | 781 | if (!fIp) return kFALSE; |
c9ec41e8 | 782 | for (Int_t i=0; i<15; i++) cov[i]=fIp->GetCovariance()[i]; |
c0b978f0 | 783 | return kTRUE; |
9b859005 | 784 | } |
785 | ||
c0b978f0 | 786 | Bool_t |
787 | AliESDtrack::GetOuterExternalParameters | |
788 | (Double_t &alpha, Double_t &x, Double_t p[5]) const { | |
789 | //--------------------------------------------------------------------- | |
c9ec41e8 | 790 | // This function returns external representation of the track parameters |
791 | // at the inner layer of TRD | |
a866ac60 | 792 | //--------------------------------------------------------------------- |
c0b978f0 | 793 | if (!fOp) return kFALSE; |
794 | alpha=fOp->GetAlpha(); | |
c9ec41e8 | 795 | x=fOp->GetX(); |
796 | for (Int_t i=0; i<5; i++) p[i]=fOp->GetParameter()[i]; | |
c0b978f0 | 797 | return kTRUE; |
a866ac60 | 798 | } |
c9ec41e8 | 799 | |
c0b978f0 | 800 | Bool_t |
801 | AliESDtrack::GetOuterExternalCovariance(Double_t cov[15]) const { | |
a866ac60 | 802 | //--------------------------------------------------------------------- |
c9ec41e8 | 803 | // This function returns external representation of the cov. matrix |
804 | // at the inner layer of TRD | |
a866ac60 | 805 | //--------------------------------------------------------------------- |
c0b978f0 | 806 | if (!fOp) return kFALSE; |
c9ec41e8 | 807 | for (Int_t i=0; i<15; i++) cov[i]=fOp->GetCovariance()[i]; |
c0b978f0 | 808 | return kTRUE; |
a866ac60 | 809 | } |
810 | ||
98937d93 | 811 | Int_t AliESDtrack::GetNcls(Int_t idet) const |
812 | { | |
813 | // Get number of clusters by subdetector index | |
814 | // | |
815 | Int_t ncls = 0; | |
816 | switch(idet){ | |
817 | case 0: | |
818 | ncls = fITSncls; | |
819 | break; | |
820 | case 1: | |
821 | ncls = fTPCncls; | |
822 | break; | |
823 | case 2: | |
824 | ncls = fTRDncls; | |
825 | break; | |
826 | case 3: | |
827 | if (fTOFindex != 0) | |
828 | ncls = 1; | |
829 | break; | |
830 | default: | |
831 | break; | |
832 | } | |
833 | return ncls; | |
834 | } | |
835 | ||
ef7253ac | 836 | Int_t AliESDtrack::GetClusters(Int_t idet, Int_t *idx) const |
98937d93 | 837 | { |
838 | // Get cluster index array by subdetector index | |
839 | // | |
840 | Int_t ncls = 0; | |
841 | switch(idet){ | |
842 | case 0: | |
843 | ncls = GetITSclusters(idx); | |
844 | break; | |
845 | case 1: | |
ef7253ac | 846 | ncls = GetTPCclusters(idx); |
98937d93 | 847 | break; |
848 | case 2: | |
849 | ncls = GetTRDclusters(idx); | |
850 | break; | |
851 | case 3: | |
852 | if (fTOFindex != 0) { | |
853 | idx[0] = GetTOFcluster(); | |
854 | ncls = 1; | |
855 | } | |
856 | break; | |
857 | default: | |
858 | break; | |
859 | } | |
860 | return ncls; | |
861 | } | |
862 | ||
ae982df3 | 863 | //_______________________________________________________________________ |
864 | void AliESDtrack::GetIntegratedTimes(Double_t *times) const { | |
4427806c | 865 | // Returns the array with integrated times for each particle hypothesis |
304864ab | 866 | for (Int_t i=0; i<AliPID::kSPECIES; i++) times[i]=fTrackTime[i]; |
ae982df3 | 867 | } |
868 | ||
869 | //_______________________________________________________________________ | |
870 | void AliESDtrack::SetIntegratedTimes(const Double_t *times) { | |
4427806c | 871 | // Sets the array with integrated times for each particle hypotesis |
304864ab | 872 | for (Int_t i=0; i<AliPID::kSPECIES; i++) fTrackTime[i]=times[i]; |
ae982df3 | 873 | } |
874 | ||
c630aafd | 875 | //_______________________________________________________________________ |
4427806c | 876 | void AliESDtrack::SetITSpid(const Double_t *p) { |
877 | // Sets values for the probability of each particle type (in ITS) | |
d27bbc79 | 878 | SetPIDValues(fITSr,p,AliPID::kSPECIES); |
c630aafd | 879 | SetStatus(AliESDtrack::kITSpid); |
880 | } | |
881 | ||
882 | //_______________________________________________________________________ | |
883 | void AliESDtrack::GetITSpid(Double_t *p) const { | |
4427806c | 884 | // Gets the probability of each particle type (in ITS) |
304864ab | 885 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fITSr[i]; |
c630aafd | 886 | } |
887 | ||
ae982df3 | 888 | //_______________________________________________________________________ |
562dd0b4 | 889 | Char_t AliESDtrack::GetITSclusters(Int_t *idx) const { |
ae982df3 | 890 | //--------------------------------------------------------------------- |
891 | // This function returns indices of the assgined ITS clusters | |
892 | //--------------------------------------------------------------------- | |
15e85efa | 893 | if (idx!=0) { |
894 | Int_t *index=fFriendTrack->GetITSindices(); | |
895 | for (Int_t i=0; i<AliESDfriendTrack::kMaxITScluster; i++) idx[i]=index[i]; | |
896 | } | |
ae982df3 | 897 | return fITSncls; |
898 | } | |
899 | ||
89f1b176 | 900 | //_______________________________________________________________________ |
901 | Bool_t AliESDtrack::GetITSModuleIndexInfo(Int_t ilayer,Int_t &idet,Int_t &status, | |
902 | Float_t &xloc,Float_t &zloc) const { | |
903 | //---------------------------------------------------------------------- | |
904 | // This function encodes in the module number also the status of cluster association | |
905 | // "status" can have the following values: | |
906 | // 1 "found" (cluster is associated), | |
907 | // 2 "dead" (module is dead from OCDB), | |
908 | // 3 "skipped" (module or layer forced to be skipped), | |
909 | // 4 "outinz" (track out of z acceptance), | |
910 | // 5 "nocls" (no clusters in the road), | |
911 | // 6 "norefit" (cluster rejected during refit), | |
912 | // 7 "deadzspd" (holes in z in SPD) | |
913 | // Also given are the coordinates of the crossing point of track and module | |
914 | // (in the local module ref. system) | |
915 | // WARNING: THIS METHOD HAS TO BE SYNCHRONIZED WITH AliITStrackV2::GetModuleIndexInfo()! | |
916 | //---------------------------------------------------------------------- | |
917 | ||
918 | if(fITSModule[ilayer]==-1) { | |
919 | AliError("fModule was not set !"); | |
920 | idet = -1; | |
921 | status=0; | |
922 | xloc=-99.; zloc=-99.; | |
923 | return kFALSE; | |
924 | } | |
925 | ||
926 | Int_t module = fITSModule[ilayer]; | |
927 | ||
928 | idet = Int_t(module/1000000); | |
929 | ||
930 | module -= idet*1000000; | |
931 | ||
932 | status = Int_t(module/100000); | |
933 | ||
934 | module -= status*100000; | |
935 | ||
936 | Int_t signs = Int_t(module/10000); | |
937 | ||
938 | module-=signs*10000; | |
939 | ||
940 | Int_t xInt = Int_t(module/100); | |
941 | module -= xInt*100; | |
942 | ||
943 | Int_t zInt = module; | |
944 | ||
945 | if(signs==1) { xInt*=1; zInt*=1; } | |
946 | if(signs==2) { xInt*=1; zInt*=-1; } | |
947 | if(signs==3) { xInt*=-1; zInt*=1; } | |
948 | if(signs==4) { xInt*=-1; zInt*=-1; } | |
949 | ||
950 | xloc = 0.1*(Float_t)xInt; | |
951 | zloc = 0.1*(Float_t)zInt; | |
952 | ||
953 | if(status==4) idet = -1; | |
954 | ||
955 | return kTRUE; | |
956 | } | |
957 | ||
ae982df3 | 958 | //_______________________________________________________________________ |
562dd0b4 | 959 | UShort_t AliESDtrack::GetTPCclusters(Int_t *idx) const { |
ae982df3 | 960 | //--------------------------------------------------------------------- |
961 | // This function returns indices of the assgined ITS clusters | |
962 | //--------------------------------------------------------------------- | |
15e85efa | 963 | if (idx!=0) { |
964 | Int_t *index=fFriendTrack->GetTPCindices(); | |
965 | for (Int_t i=0; i<AliESDfriendTrack::kMaxTPCcluster; i++) idx[i]=index[i]; | |
966 | } | |
ae982df3 | 967 | return fTPCncls; |
968 | } | |
8c6a71ab | 969 | |
562dd0b4 | 970 | Double_t AliESDtrack::GetTPCdensity(Int_t row0, Int_t row1) const{ |
81e97e0d | 971 | // |
972 | // GetDensity of the clusters on given region between row0 and row1 | |
973 | // Dead zone effect takin into acoount | |
974 | // | |
975 | Int_t good = 0; | |
976 | Int_t found = 0; | |
977 | // | |
15e85efa | 978 | Int_t *index=fFriendTrack->GetTPCindices(); |
81e97e0d | 979 | for (Int_t i=row0;i<=row1;i++){ |
15e85efa | 980 | Int_t idx = index[i]; |
981 | if (idx!=-1) good++; // track outside of dead zone | |
982 | if (idx>0) found++; | |
81e97e0d | 983 | } |
984 | Float_t density=0.5; | |
985 | if (good>(row1-row0)*0.5) density = Float_t(found)/Float_t(good); | |
986 | return density; | |
987 | } | |
c84a5e9e | 988 | |
8c6a71ab | 989 | //_______________________________________________________________________ |
990 | void AliESDtrack::SetTPCpid(const Double_t *p) { | |
4427806c | 991 | // Sets values for the probability of each particle type (in TPC) |
d27bbc79 | 992 | SetPIDValues(fTPCr,p,AliPID::kSPECIES); |
8c6a71ab | 993 | SetStatus(AliESDtrack::kTPCpid); |
994 | } | |
995 | ||
996 | //_______________________________________________________________________ | |
997 | void AliESDtrack::GetTPCpid(Double_t *p) const { | |
4427806c | 998 | // Gets the probability of each particle type (in TPC) |
304864ab | 999 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fTPCr[i]; |
8c6a71ab | 1000 | } |
1001 | ||
bb2ceb1f | 1002 | //_______________________________________________________________________ |
562dd0b4 | 1003 | UChar_t AliESDtrack::GetTRDclusters(Int_t *idx) const { |
bb2ceb1f | 1004 | //--------------------------------------------------------------------- |
1005 | // This function returns indices of the assgined TRD clusters | |
1006 | //--------------------------------------------------------------------- | |
15e85efa | 1007 | if (idx!=0) { |
1008 | Int_t *index=fFriendTrack->GetTRDindices(); | |
1009 | for (Int_t i=0; i<AliESDfriendTrack::kMaxTRDcluster; i++) idx[i]=index[i]; | |
1010 | } | |
bb2ceb1f | 1011 | return fTRDncls; |
1012 | } | |
1013 | ||
5bc3e158 | 1014 | //_______________________________________________________________________ |
1015 | UChar_t AliESDtrack::GetTRDtracklets(Int_t *idx) const { | |
1016 | //--------------------------------------------------------------------- | |
1017 | // This function returns indices of the assigned TRD tracklets | |
1018 | //--------------------------------------------------------------------- | |
1019 | if (idx!=0) { | |
1020 | Int_t *index=fFriendTrack->GetTRDindices(); | |
1021 | for (Int_t i=0; i<6/*AliESDfriendTrack::kMaxTRDcluster*/; i++) idx[i]=index[i]; | |
1022 | } | |
1023 | return fTRDncls; | |
1024 | } | |
1025 | ||
c630aafd | 1026 | //_______________________________________________________________________ |
1027 | void AliESDtrack::SetTRDpid(const Double_t *p) { | |
4427806c | 1028 | // Sets values for the probability of each particle type (in TRD) |
d27bbc79 | 1029 | SetPIDValues(fTRDr,p,AliPID::kSPECIES); |
c630aafd | 1030 | SetStatus(AliESDtrack::kTRDpid); |
1031 | } | |
1032 | ||
1033 | //_______________________________________________________________________ | |
1034 | void AliESDtrack::GetTRDpid(Double_t *p) const { | |
4427806c | 1035 | // Gets the probability of each particle type (in TRD) |
304864ab | 1036 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fTRDr[i]; |
c630aafd | 1037 | } |
1038 | ||
79e94bf8 | 1039 | //_______________________________________________________________________ |
1040 | void AliESDtrack::SetTRDpid(Int_t iSpecies, Float_t p) | |
1041 | { | |
4427806c | 1042 | // Sets the probability of particle type iSpecies to p (in TRD) |
79e94bf8 | 1043 | fTRDr[iSpecies] = p; |
1044 | } | |
1045 | ||
562dd0b4 | 1046 | Double_t AliESDtrack::GetTRDpid(Int_t iSpecies) const |
79e94bf8 | 1047 | { |
4427806c | 1048 | // Returns the probability of particle type iSpecies (in TRD) |
79e94bf8 | 1049 | return fTRDr[iSpecies]; |
1050 | } | |
1051 | ||
c630aafd | 1052 | //_______________________________________________________________________ |
1053 | void AliESDtrack::SetTOFpid(const Double_t *p) { | |
4427806c | 1054 | // Sets the probability of each particle type (in TOF) |
d27bbc79 | 1055 | SetPIDValues(fTOFr,p,AliPID::kSPECIES); |
c630aafd | 1056 | SetStatus(AliESDtrack::kTOFpid); |
1057 | } | |
1058 | ||
51ad6848 | 1059 | //_______________________________________________________________________ |
1060 | void AliESDtrack::SetTOFLabel(const Int_t *p) { | |
1061 | // Sets (in TOF) | |
1062 | for (Int_t i=0; i<3; i++) fTOFLabel[i]=p[i]; | |
1063 | } | |
1064 | ||
c630aafd | 1065 | //_______________________________________________________________________ |
1066 | void AliESDtrack::GetTOFpid(Double_t *p) const { | |
4427806c | 1067 | // Gets probabilities of each particle type (in TOF) |
304864ab | 1068 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fTOFr[i]; |
c630aafd | 1069 | } |
1070 | ||
51ad6848 | 1071 | //_______________________________________________________________________ |
1072 | void AliESDtrack::GetTOFLabel(Int_t *p) const { | |
1073 | // Gets (in TOF) | |
1074 | for (Int_t i=0; i<3; i++) p[i]=fTOFLabel[i]; | |
1075 | } | |
1076 | ||
1077 | //_______________________________________________________________________ | |
1078 | void AliESDtrack::GetTOFInfo(Float_t *info) const { | |
1079 | // Gets (in TOF) | |
1080 | for (Int_t i=0; i<10; i++) info[i]=fTOFInfo[i]; | |
1081 | } | |
1082 | ||
1083 | //_______________________________________________________________________ | |
1084 | void AliESDtrack::SetTOFInfo(Float_t*info) { | |
1085 | // Gets (in TOF) | |
1086 | for (Int_t i=0; i<10; i++) fTOFInfo[i]=info[i]; | |
1087 | } | |
1088 | ||
4a78b8c5 | 1089 | |
1090 | ||
4a78b8c5 | 1091 | //_______________________________________________________________________ |
f4b3bbb7 | 1092 | void AliESDtrack::SetHMPIDpid(const Double_t *p) { |
1093 | // Sets the probability of each particle type (in HMPID) | |
1094 | SetPIDValues(fHMPIDr,p,AliPID::kSPECIES); | |
1095 | SetStatus(AliESDtrack::kHMPIDpid); | |
4a78b8c5 | 1096 | } |
1097 | ||
1098 | //_______________________________________________________________________ | |
f4b3bbb7 | 1099 | void AliESDtrack::GetHMPIDpid(Double_t *p) const { |
1100 | // Gets probabilities of each particle type (in HMPID) | |
1101 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fHMPIDr[i]; | |
4a78b8c5 | 1102 | } |
1103 | ||
1104 | ||
1105 | ||
8c6a71ab | 1106 | //_______________________________________________________________________ |
1107 | void AliESDtrack::SetESDpid(const Double_t *p) { | |
4427806c | 1108 | // Sets the probability of each particle type for the ESD track |
d27bbc79 | 1109 | SetPIDValues(fR,p,AliPID::kSPECIES); |
8c6a71ab | 1110 | SetStatus(AliESDtrack::kESDpid); |
1111 | } | |
1112 | ||
1113 | //_______________________________________________________________________ | |
1114 | void AliESDtrack::GetESDpid(Double_t *p) const { | |
4427806c | 1115 | // Gets probability of each particle type for the ESD track |
304864ab | 1116 | for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fR[i]; |
8c6a71ab | 1117 | } |
1118 | ||
49d13e89 | 1119 | //_______________________________________________________________________ |
1120 | Bool_t AliESDtrack::RelateToVertex | |
1121 | (const AliESDVertex *vtx, Double_t b, Double_t maxd) { | |
1122 | // | |
1123 | // Try to relate this track to the vertex "vtx", | |
1124 | // if the (rough) transverse impact parameter is not bigger then "maxd". | |
1125 | // Magnetic field is "b" (kG). | |
1126 | // | |
1127 | // a) The track gets extapolated to the DCA to the vertex. | |
1128 | // b) The impact parameters and their covariance matrix are calculated. | |
1129 | // c) An attempt to constrain this track to the vertex is done. | |
1130 | // | |
1131 | // In the case of success, the returned value is kTRUE | |
1132 | // (otherwise, it's kFALSE) | |
1133 | // | |
b5d34a4c | 1134 | |
1135 | if (!vtx) return kFALSE; | |
1136 | ||
49d13e89 | 1137 | Double_t alpha=GetAlpha(); |
1138 | Double_t sn=TMath::Sin(alpha), cs=TMath::Cos(alpha); | |
1139 | Double_t x=GetX(), y=GetParameter()[0], snp=GetParameter()[2]; | |
1140 | Double_t xv= vtx->GetXv()*cs + vtx->GetYv()*sn; | |
1141 | Double_t yv=-vtx->GetXv()*sn + vtx->GetYv()*cs, zv=vtx->GetZv(); | |
1142 | x-=xv; y-=yv; | |
1143 | ||
1144 | //Estimate the impact parameter neglecting the track curvature | |
1145 | Double_t d=TMath::Abs(x*snp - y*TMath::Sqrt(1.- snp*snp)); | |
1146 | if (d > maxd) return kFALSE; | |
1147 | ||
1148 | //Propagate to the DCA | |
5773defd | 1149 | Double_t crv=kB2C*b*GetParameter()[4]; |
1150 | if (TMath::Abs(b) < kAlmost0Field) crv=0.; | |
1151 | ||
49d13e89 | 1152 | Double_t tgfv=-(crv*x - snp)/(crv*y + TMath::Sqrt(1.-snp*snp)); |
f54395bf | 1153 | sn=tgfv/TMath::Sqrt(1.+ tgfv*tgfv); |
1154 | if (TMath::Abs(tgfv)>0.) cs = sn/tgfv; | |
1155 | else cs=1.; | |
49d13e89 | 1156 | |
1157 | x = xv*cs + yv*sn; | |
1158 | yv=-xv*sn + yv*cs; xv=x; | |
1159 | ||
1160 | if (!Propagate(alpha+TMath::ASin(sn),xv,b)) return kFALSE; | |
1161 | ||
1162 | fD = GetParameter()[0] - yv; | |
1163 | fZ = GetParameter()[1] - zv; | |
1164 | ||
1165 | Double_t cov[6]; vtx->GetCovMatrix(cov); | |
3231f9e5 | 1166 | |
1167 | //***** Improvements by A.Dainese | |
1168 | alpha=GetAlpha(); sn=TMath::Sin(alpha); cs=TMath::Cos(alpha); | |
1169 | Double_t s2ylocvtx = cov[0]*sn*sn + cov[2]*cs*cs - 2.*cov[1]*cs*sn; | |
1170 | fCdd = GetCovariance()[0] + s2ylocvtx; // neglecting correlations | |
b67517ef | 1171 | fCdz = GetCovariance()[1]; // between (x,y) and z |
3231f9e5 | 1172 | fCzz = GetCovariance()[2] + cov[5]; // in vertex's covariance matrix |
1173 | //***** | |
49d13e89 | 1174 | |
1175 | {//Try to constrain | |
1176 | Double_t p[2]={yv,zv}, c[3]={cov[2],0.,cov[5]}; | |
1177 | Double_t chi2=GetPredictedChi2(p,c); | |
1178 | ||
1179 | if (chi2>77.) return kFALSE; | |
1180 | ||
1181 | AliExternalTrackParam tmp(*this); | |
1182 | if (!tmp.Update(p,c)) return kFALSE; | |
1183 | ||
1184 | fCchi2=chi2; | |
1185 | if (!fCp) fCp=new AliExternalTrackParam(); | |
1186 | new (fCp) AliExternalTrackParam(tmp); | |
1187 | } | |
1188 | ||
1189 | return kTRUE; | |
1190 | } | |
1191 | ||
ac2f7574 | 1192 | //_______________________________________________________________________ |
1193 | void AliESDtrack::Print(Option_t *) const { | |
1194 | // Prints info on the track | |
1195 | ||
5f7789fc | 1196 | printf("ESD track info\n") ; |
304864ab | 1197 | Double_t p[AliPID::kSPECIESN] ; |
ac2f7574 | 1198 | Int_t index = 0 ; |
1199 | if( IsOn(kITSpid) ){ | |
1200 | printf("From ITS: ") ; | |
1201 | GetITSpid(p) ; | |
304864ab | 1202 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 1203 | printf("%f, ", p[index]) ; |
1204 | printf("\n signal = %f\n", GetITSsignal()) ; | |
1205 | } | |
1206 | if( IsOn(kTPCpid) ){ | |
1207 | printf("From TPC: ") ; | |
1208 | GetTPCpid(p) ; | |
304864ab | 1209 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 1210 | printf("%f, ", p[index]) ; |
1211 | printf("\n signal = %f\n", GetTPCsignal()) ; | |
1212 | } | |
1213 | if( IsOn(kTRDpid) ){ | |
1214 | printf("From TRD: ") ; | |
1215 | GetTRDpid(p) ; | |
304864ab | 1216 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 1217 | printf("%f, ", p[index]) ; |
1218 | printf("\n signal = %f\n", GetTRDsignal()) ; | |
1219 | } | |
1220 | if( IsOn(kTOFpid) ){ | |
1221 | printf("From TOF: ") ; | |
1222 | GetTOFpid(p) ; | |
304864ab | 1223 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 1224 | printf("%f, ", p[index]) ; |
1225 | printf("\n signal = %f\n", GetTOFsignal()) ; | |
1226 | } | |
f4b3bbb7 | 1227 | if( IsOn(kHMPIDpid) ){ |
1228 | printf("From HMPID: ") ; | |
1229 | GetHMPIDpid(p) ; | |
304864ab | 1230 | for(index = 0 ; index < AliPID::kSPECIES; index++) |
ac2f7574 | 1231 | printf("%f, ", p[index]) ; |
f4b3bbb7 | 1232 | printf("\n signal = %f\n", GetHMPIDsignal()) ; |
ac2f7574 | 1233 | } |
ac2f7574 | 1234 | } |
6c94f330 | 1235 |