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29bf19f2 | 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 | **************************************************************************/ | |
15 | ||
4ec8e76d | 16 | /* $Id: AliPIDResponse.cxx 46193 2010-12-21 09:00:14Z wiechula $ */ |
29bf19f2 | 17 | |
18 | //----------------------------------------------------------------- | |
4ec8e76d | 19 | // Base class for handling the pid response // |
20 | // functions of all detectors // | |
21 | // and give access to the nsigmas // | |
22 | // // | |
23 | // Origin: Jens Wiechula, Uni Tuebingen, jens.wiechula@cern.ch // | |
29bf19f2 | 24 | //----------------------------------------------------------------- |
25 | ||
4ec8e76d | 26 | #include <TList.h> |
27 | #include <TObjArray.h> | |
28 | #include <TPRegexp.h> | |
29 | #include <TF1.h> | |
f84b18dd | 30 | #include <TH2D.h> |
4ec8e76d | 31 | #include <TSpline.h> |
32 | #include <TFile.h> | |
00a38d07 | 33 | #include <TArrayI.h> |
db0e2c5f | 34 | #include <TArrayF.h> |
f84b18dd | 35 | #include <TLinearFitter.h> |
4ec8e76d | 36 | |
37 | #include <AliVEvent.h> | |
fd21ec8d | 38 | #include <AliVTrack.h> |
4ec8e76d | 39 | #include <AliLog.h> |
40 | #include <AliPID.h> | |
ea235c90 | 41 | #include <AliOADBContainer.h> |
db0e2c5f | 42 | #include <AliTRDPIDResponseObject.h> |
b79db598 | 43 | #include <AliTOFPIDParams.h> |
29bf19f2 | 44 | |
45 | #include "AliPIDResponse.h" | |
00a38d07 | 46 | #include "AliDetectorPID.h" |
29bf19f2 | 47 | |
80f28562 | 48 | #include "AliCentrality.h" |
49 | ||
29bf19f2 | 50 | ClassImp(AliPIDResponse); |
51 | ||
4ec8e76d | 52 | AliPIDResponse::AliPIDResponse(Bool_t isMC/*=kFALSE*/) : |
53 | TNamed("PIDResponse","PIDResponse"), | |
54 | fITSResponse(isMC), | |
55 | fTPCResponse(), | |
56 | fTRDResponse(), | |
57 | fTOFResponse(), | |
e96b9916 | 58 | fEMCALResponse(), |
fd21ec8d | 59 | fRange(5.), |
60 | fITSPIDmethod(kITSTruncMean), | |
4ec8e76d | 61 | fIsMC(isMC), |
1c9d11be | 62 | fCachePID(kTRUE), |
4ec8e76d | 63 | fOADBPath(), |
00a38d07 | 64 | fCustomTPCpidResponse(), |
4ec8e76d | 65 | fBeamType("PP"), |
66 | fLHCperiod(), | |
67 | fMCperiodTPC(), | |
fd21ec8d | 68 | fMCperiodUser(), |
ea235c90 | 69 | fCurrentFile(), |
4ec8e76d | 70 | fRecoPass(0), |
fd21ec8d | 71 | fRecoPassUser(-1), |
4ec8e76d | 72 | fRun(0), |
73 | fOldRun(0), | |
78cbd205 | 74 | fResT0A(75.), |
75 | fResT0C(65.), | |
76 | fResT0AC(55.), | |
644666df | 77 | fArrPidResponseMaster(NULL), |
78 | fResolutionCorrection(NULL), | |
79 | fOADBvoltageMaps(NULL), | |
f84b18dd | 80 | fUseTPCEtaCorrection(kFALSE),//TODO: In future, default kTRUE |
644666df | 81 | fTRDPIDResponseObject(NULL), |
0b39f221 | 82 | fTOFtail(1.1), |
644666df | 83 | fTOFPIDParams(NULL), |
84 | fEMCALPIDParams(NULL), | |
85 | fCurrentEvent(NULL), | |
539a5a59 | 86 | fCurrCentrality(0.0), |
87 | fTuneMConData(kFALSE) | |
4ec8e76d | 88 | { |
89 | // | |
90 | // default ctor | |
91 | // | |
a635821f | 92 | AliLog::SetClassDebugLevel("AliPIDResponse",0); |
93 | AliLog::SetClassDebugLevel("AliESDpid",0); | |
94 | AliLog::SetClassDebugLevel("AliAODpidUtil",0); | |
ea235c90 | 95 | |
4ec8e76d | 96 | } |
97 | ||
98 | //______________________________________________________________________________ | |
99 | AliPIDResponse::~AliPIDResponse() | |
100 | { | |
101 | // | |
102 | // dtor | |
103 | // | |
00a38d07 | 104 | delete fArrPidResponseMaster; |
105 | delete fTRDPIDResponseObject; | |
106 | delete fTOFPIDParams; | |
4ec8e76d | 107 | } |
108 | ||
109 | //______________________________________________________________________________ | |
110 | AliPIDResponse::AliPIDResponse(const AliPIDResponse &other) : | |
111 | TNamed(other), | |
112 | fITSResponse(other.fITSResponse), | |
113 | fTPCResponse(other.fTPCResponse), | |
114 | fTRDResponse(other.fTRDResponse), | |
115 | fTOFResponse(other.fTOFResponse), | |
e96b9916 | 116 | fEMCALResponse(other.fEMCALResponse), |
fd21ec8d | 117 | fRange(other.fRange), |
118 | fITSPIDmethod(other.fITSPIDmethod), | |
4ec8e76d | 119 | fIsMC(other.fIsMC), |
1c9d11be | 120 | fCachePID(other.fCachePID), |
4ec8e76d | 121 | fOADBPath(other.fOADBPath), |
00a38d07 | 122 | fCustomTPCpidResponse(other.fCustomTPCpidResponse), |
4ec8e76d | 123 | fBeamType("PP"), |
124 | fLHCperiod(), | |
125 | fMCperiodTPC(), | |
fd21ec8d | 126 | fMCperiodUser(other.fMCperiodUser), |
ea235c90 | 127 | fCurrentFile(), |
4ec8e76d | 128 | fRecoPass(0), |
fd21ec8d | 129 | fRecoPassUser(other.fRecoPassUser), |
4ec8e76d | 130 | fRun(0), |
131 | fOldRun(0), | |
78cbd205 | 132 | fResT0A(75.), |
133 | fResT0C(65.), | |
134 | fResT0AC(55.), | |
644666df | 135 | fArrPidResponseMaster(NULL), |
136 | fResolutionCorrection(NULL), | |
137 | fOADBvoltageMaps(NULL), | |
f84b18dd | 138 | fUseTPCEtaCorrection(other.fUseTPCEtaCorrection), |
644666df | 139 | fTRDPIDResponseObject(NULL), |
0b39f221 | 140 | fTOFtail(1.1), |
644666df | 141 | fTOFPIDParams(NULL), |
142 | fEMCALPIDParams(NULL), | |
143 | fCurrentEvent(NULL), | |
539a5a59 | 144 | fCurrCentrality(0.0), |
145 | fTuneMConData(kFALSE) | |
4ec8e76d | 146 | { |
147 | // | |
148 | // copy ctor | |
149 | // | |
150 | } | |
151 | ||
152 | //______________________________________________________________________________ | |
153 | AliPIDResponse& AliPIDResponse::operator=(const AliPIDResponse &other) | |
154 | { | |
155 | // | |
156 | // copy ctor | |
157 | // | |
158 | if(this!=&other) { | |
159 | delete fArrPidResponseMaster; | |
160 | TNamed::operator=(other); | |
161 | fITSResponse=other.fITSResponse; | |
162 | fTPCResponse=other.fTPCResponse; | |
163 | fTRDResponse=other.fTRDResponse; | |
164 | fTOFResponse=other.fTOFResponse; | |
e96b9916 | 165 | fEMCALResponse=other.fEMCALResponse; |
fd21ec8d | 166 | fRange=other.fRange; |
167 | fITSPIDmethod=other.fITSPIDmethod; | |
4ec8e76d | 168 | fOADBPath=other.fOADBPath; |
00a38d07 | 169 | fCustomTPCpidResponse=other.fCustomTPCpidResponse; |
4ec8e76d | 170 | fIsMC=other.fIsMC; |
1c9d11be | 171 | fCachePID=other.fCachePID; |
4ec8e76d | 172 | fBeamType="PP"; |
173 | fLHCperiod=""; | |
174 | fMCperiodTPC=""; | |
fd21ec8d | 175 | fMCperiodUser=other.fMCperiodUser; |
ea235c90 | 176 | fCurrentFile=""; |
4ec8e76d | 177 | fRecoPass=0; |
fd21ec8d | 178 | fRecoPassUser=other.fRecoPassUser; |
4ec8e76d | 179 | fRun=0; |
180 | fOldRun=0; | |
78cbd205 | 181 | fResT0A=75.; |
182 | fResT0C=65.; | |
183 | fResT0AC=55.; | |
644666df | 184 | fArrPidResponseMaster=NULL; |
185 | fResolutionCorrection=NULL; | |
186 | fOADBvoltageMaps=NULL; | |
f84b18dd | 187 | fUseTPCEtaCorrection=other.fUseTPCEtaCorrection; |
644666df | 188 | fTRDPIDResponseObject=NULL; |
189 | fEMCALPIDParams=NULL; | |
0b39f221 | 190 | fTOFtail=1.1; |
644666df | 191 | fTOFPIDParams=NULL; |
e96b9916 | 192 | fCurrentEvent=other.fCurrentEvent; |
bd58d4b9 | 193 | |
4ec8e76d | 194 | } |
195 | return *this; | |
196 | } | |
197 | ||
fd21ec8d | 198 | //______________________________________________________________________________ |
199 | Float_t AliPIDResponse::NumberOfSigmas(EDetCode detCode, const AliVParticle *track, AliPID::EParticleType type) const | |
200 | { | |
201 | // | |
202 | // NumberOfSigmas for 'detCode' | |
203 | // | |
204 | ||
205 | switch (detCode){ | |
206 | case kDetITS: return NumberOfSigmasITS(track, type); break; | |
207 | case kDetTPC: return NumberOfSigmasTPC(track, type); break; | |
208 | case kDetTOF: return NumberOfSigmasTOF(track, type); break; | |
00a38d07 | 209 | case kDetEMCAL: return NumberOfSigmasEMCAL(track, type); break; |
fd21ec8d | 210 | default: return -999.; |
211 | } | |
212 | ||
213 | } | |
214 | ||
e96b9916 | 215 | //______________________________________________________________________________ |
00a38d07 | 216 | Float_t AliPIDResponse::NumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const |
217 | { | |
218 | // | |
219 | // NumberOfSigmas for 'detCode' | |
220 | // | |
221 | return NumberOfSigmas((EDetCode)(1<<detCode), track, type); | |
222 | } | |
223 | ||
1c9d11be | 224 | //______________________________________________________________________________ |
225 | // public buffered versions of the PID calculation | |
226 | // | |
227 | ||
00a38d07 | 228 | //______________________________________________________________________________ |
229 | Float_t AliPIDResponse::NumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
230 | { | |
231 | // | |
232 | // Calculate the number of sigmas in the ITS | |
233 | // | |
234 | ||
235 | AliVTrack *track=(AliVTrack*)vtrack; | |
236 | ||
237 | // look for cached value first | |
1c9d11be | 238 | const AliDetectorPID *detPID=track->GetDetectorPID(); |
239 | const EDetector detector=kITS; | |
240 | ||
241 | if ( detPID && detPID->HasNumberOfSigmas(detector)){ | |
242 | return detPID->GetNumberOfSigmas(detector, type); | |
243 | } else if (fCachePID) { | |
244 | FillTrackDetectorPID(track, detector); | |
245 | detPID=track->GetDetectorPID(); | |
246 | return detPID->GetNumberOfSigmas(detector, type); | |
00a38d07 | 247 | } |
00a38d07 | 248 | |
1c9d11be | 249 | return GetNumberOfSigmasITS(track, type); |
00a38d07 | 250 | } |
251 | ||
252 | //______________________________________________________________________________ | |
253 | Float_t AliPIDResponse::NumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
254 | { | |
255 | // | |
256 | // Calculate the number of sigmas in the TPC | |
257 | // | |
258 | ||
259 | AliVTrack *track=(AliVTrack*)vtrack; | |
260 | ||
261 | // look for cached value first | |
1c9d11be | 262 | const AliDetectorPID *detPID=track->GetDetectorPID(); |
263 | const EDetector detector=kTPC; | |
264 | ||
265 | if ( detPID && detPID->HasNumberOfSigmas(detector)){ | |
266 | return detPID->GetNumberOfSigmas(detector, type); | |
267 | } else if (fCachePID) { | |
268 | FillTrackDetectorPID(track, detector); | |
269 | detPID=track->GetDetectorPID(); | |
270 | return detPID->GetNumberOfSigmas(detector, type); | |
00a38d07 | 271 | } |
272 | ||
1c9d11be | 273 | return GetNumberOfSigmasTPC(track, type); |
00a38d07 | 274 | } |
275 | ||
644666df | 276 | //______________________________________________________________________________ |
277 | Float_t AliPIDResponse::NumberOfSigmasTPC( const AliVParticle *vtrack, | |
278 | AliPID::EParticleType type, | |
f84b18dd | 279 | AliTPCPIDResponse::ETPCdEdxSource dedxSource) const |
644666df | 280 | { |
281 | //get number of sigmas according the selected TPC gain configuration scenario | |
282 | const AliVTrack *track=static_cast<const AliVTrack*>(vtrack); | |
283 | ||
f84b18dd | 284 | Float_t nSigma=fTPCResponse.GetNumberOfSigmas(track, type, dedxSource, fUseTPCEtaCorrection); |
644666df | 285 | |
286 | return nSigma; | |
287 | } | |
288 | ||
00a38d07 | 289 | //______________________________________________________________________________ |
1c9d11be | 290 | Float_t AliPIDResponse::NumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const |
00a38d07 | 291 | { |
292 | // | |
1c9d11be | 293 | // Calculate the number of sigmas in the TOF |
00a38d07 | 294 | // |
295 | ||
296 | AliVTrack *track=(AliVTrack*)vtrack; | |
1c9d11be | 297 | |
00a38d07 | 298 | // look for cached value first |
1c9d11be | 299 | const AliDetectorPID *detPID=track->GetDetectorPID(); |
300 | const EDetector detector=kTOF; | |
301 | ||
302 | if ( detPID && detPID->HasNumberOfSigmas(detector)){ | |
303 | return detPID->GetNumberOfSigmas(detector, type); | |
304 | } else if (fCachePID) { | |
305 | FillTrackDetectorPID(track, detector); | |
306 | detPID=track->GetDetectorPID(); | |
307 | return detPID->GetNumberOfSigmas(detector, type); | |
00a38d07 | 308 | } |
309 | ||
1c9d11be | 310 | return GetNumberOfSigmasTOF(track, type); |
311 | } | |
e96b9916 | 312 | |
1c9d11be | 313 | //______________________________________________________________________________ |
314 | Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
315 | { | |
316 | // | |
317 | // Calculate the number of sigmas in the EMCAL | |
318 | // | |
e96b9916 | 319 | |
1c9d11be | 320 | AliVTrack *track=(AliVTrack*)vtrack; |
321 | ||
322 | // look for cached value first | |
323 | const AliDetectorPID *detPID=track->GetDetectorPID(); | |
324 | const EDetector detector=kEMCAL; | |
325 | ||
326 | if ( detPID && detPID->HasNumberOfSigmas(detector)){ | |
327 | return detPID->GetNumberOfSigmas(detector, type); | |
328 | } else if (fCachePID) { | |
329 | FillTrackDetectorPID(track, detector); | |
330 | detPID=track->GetDetectorPID(); | |
331 | return detPID->GetNumberOfSigmas(detector, type); | |
e96b9916 | 332 | } |
6d0064aa | 333 | |
1c9d11be | 334 | return GetNumberOfSigmasEMCAL(track, type); |
e96b9916 | 335 | } |
336 | ||
6d0064aa | 337 | //______________________________________________________________________________ |
1c9d11be | 338 | Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const |
339 | { | |
340 | // | |
341 | // emcal nsigma with eop and showershape | |
342 | // | |
00a38d07 | 343 | AliVTrack *track=(AliVTrack*)vtrack; |
344 | ||
6d0064aa | 345 | AliVCluster *matchedClus = NULL; |
346 | ||
347 | Double_t mom = -1.; | |
348 | Double_t pt = -1.; | |
349 | Double_t EovP = -1.; | |
350 | Double_t fClsE = -1.; | |
32fa24d6 | 351 | |
352 | // initialize eop and shower shape parameters | |
353 | eop = -1.; | |
354 | for(Int_t i = 0; i < 4; i++){ | |
355 | showershape[i] = -1.; | |
356 | } | |
6d0064aa | 357 | |
358 | Int_t nMatchClus = -1; | |
359 | Int_t charge = 0; | |
360 | ||
361 | // Track matching | |
362 | nMatchClus = track->GetEMCALcluster(); | |
363 | if(nMatchClus > -1){ | |
364 | ||
365 | mom = track->P(); | |
366 | pt = track->Pt(); | |
367 | charge = track->Charge(); | |
368 | ||
369 | matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus); | |
370 | ||
371 | if(matchedClus){ | |
372 | ||
373 | // matched cluster is EMCAL | |
374 | if(matchedClus->IsEMCAL()){ | |
375 | ||
376 | fClsE = matchedClus->E(); | |
377 | EovP = fClsE/mom; | |
378 | ||
379 | // fill used EMCAL variables here | |
380 | eop = EovP; // E/p | |
381 | showershape[0] = matchedClus->GetNCells(); // number of cells in cluster | |
382 | showershape[1] = matchedClus->GetM02(); // long axis | |
383 | showershape[2] = matchedClus->GetM20(); // short axis | |
384 | showershape[3] = matchedClus->GetDispersion(); // dispersion | |
1c9d11be | 385 | |
386 | // look for cached value first | |
387 | const AliDetectorPID *detPID=track->GetDetectorPID(); | |
388 | const EDetector detector=kEMCAL; | |
389 | ||
390 | if ( detPID && detPID->HasNumberOfSigmas(detector)){ | |
391 | return detPID->GetNumberOfSigmas(detector, type); | |
392 | } else if (fCachePID) { | |
393 | FillTrackDetectorPID(track, detector); | |
394 | detPID=track->GetDetectorPID(); | |
395 | return detPID->GetNumberOfSigmas(detector, type); | |
396 | } | |
397 | ||
398 | // NSigma value really meaningful only for electrons! | |
399 | return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge); | |
6d0064aa | 400 | } |
401 | } | |
402 | } | |
403 | return -999; | |
404 | } | |
405 | ||
406 | ||
fd21ec8d | 407 | //______________________________________________________________________________ |
f84b18dd | 408 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const |
fd21ec8d | 409 | { |
410 | // | |
411 | // Compute PID response of 'detCode' | |
412 | // | |
413 | ||
414 | switch (detCode){ | |
415 | case kDetITS: return ComputeITSProbability(track, nSpecies, p); break; | |
416 | case kDetTPC: return ComputeTPCProbability(track, nSpecies, p); break; | |
fd21ec8d | 417 | case kDetTRD: return ComputeTRDProbability(track, nSpecies, p); break; |
00a38d07 | 418 | case kDetTOF: return ComputeTOFProbability(track, nSpecies, p); break; |
fd21ec8d | 419 | case kDetPHOS: return ComputePHOSProbability(track, nSpecies, p); break; |
420 | case kDetEMCAL: return ComputeEMCALProbability(track, nSpecies, p); break; | |
421 | case kDetHMPID: return ComputeHMPIDProbability(track, nSpecies, p); break; | |
422 | default: return kDetNoSignal; | |
423 | } | |
424 | } | |
425 | ||
00a38d07 | 426 | //______________________________________________________________________________ |
427 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
428 | { | |
429 | // | |
430 | // Compute PID response of 'detCode' | |
431 | // | |
432 | ||
433 | return ComputePIDProbability((EDetCode)(1<<detCode),track,nSpecies,p); | |
434 | } | |
435 | ||
fd21ec8d | 436 | //______________________________________________________________________________ |
437 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
438 | { | |
439 | // | |
440 | // Compute PID response for the ITS | |
441 | // | |
442 | ||
00a38d07 | 443 | // look for cached value first |
1c9d11be | 444 | const AliDetectorPID *detPID=track->GetDetectorPID(); |
445 | const EDetector detector=kITS; | |
446 | ||
447 | if ( detPID && detPID->HasRawProbabilitiy(detector)){ | |
448 | return detPID->GetRawProbability(detector, p, nSpecies); | |
449 | } else if (fCachePID) { | |
450 | FillTrackDetectorPID(track, detector); | |
451 | detPID=track->GetDetectorPID(); | |
452 | return detPID->GetRawProbability(detector, p, nSpecies); | |
fd21ec8d | 453 | } |
454 | ||
1c9d11be | 455 | return GetComputeITSProbability(track, nSpecies, p); |
fd21ec8d | 456 | } |
457 | //______________________________________________________________________________ | |
458 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
459 | { | |
460 | // | |
461 | // Compute PID response for the TPC | |
462 | // | |
00a38d07 | 463 | |
464 | // look for cached value first | |
1c9d11be | 465 | const AliDetectorPID *detPID=track->GetDetectorPID(); |
466 | const EDetector detector=kTPC; | |
467 | ||
468 | if ( detPID && detPID->HasRawProbabilitiy(detector)){ | |
469 | return detPID->GetRawProbability(detector, p, nSpecies); | |
470 | } else if (fCachePID) { | |
471 | FillTrackDetectorPID(track, detector); | |
472 | detPID=track->GetDetectorPID(); | |
473 | return detPID->GetRawProbability(detector, p, nSpecies); | |
00a38d07 | 474 | } |
475 | ||
1c9d11be | 476 | return GetComputeTPCProbability(track, nSpecies, p); |
fd21ec8d | 477 | } |
478 | //______________________________________________________________________________ | |
479 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
480 | { | |
481 | // | |
482 | // Compute PID response for the | |
483 | // | |
00a38d07 | 484 | |
1c9d11be | 485 | const AliDetectorPID *detPID=track->GetDetectorPID(); |
486 | const EDetector detector=kTOF; | |
fd21ec8d | 487 | |
1c9d11be | 488 | if ( detPID && detPID->HasRawProbabilitiy(detector)){ |
489 | return detPID->GetRawProbability(detector, p, nSpecies); | |
490 | } else if (fCachePID) { | |
491 | FillTrackDetectorPID(track, detector); | |
492 | detPID=track->GetDetectorPID(); | |
493 | return detPID->GetRawProbability(detector, p, nSpecies); | |
fd21ec8d | 494 | } |
1c9d11be | 495 | |
496 | return GetComputeTOFProbability(track, nSpecies, p); | |
fd21ec8d | 497 | } |
498 | //______________________________________________________________________________ | |
bd58d4b9 | 499 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const |
fd21ec8d | 500 | { |
501 | // | |
502 | // Compute PID response for the | |
1c9d11be | 503 | // |
00a38d07 | 504 | |
1c9d11be | 505 | const AliDetectorPID *detPID=track->GetDetectorPID(); |
506 | const EDetector detector=kTRD; | |
ea235c90 | 507 | |
1c9d11be | 508 | // chacke only for the default method (1d at the moment) |
509 | if (PIDmethod!=AliTRDPIDResponse::kLQ1D) return GetComputeTRDProbability(track, nSpecies, p, PIDmethod); | |
510 | ||
511 | if ( detPID && detPID->HasRawProbabilitiy(detector)){ | |
512 | return detPID->GetRawProbability(detector, p, nSpecies); | |
513 | } else if (fCachePID) { | |
514 | FillTrackDetectorPID(track, detector); | |
515 | detPID=track->GetDetectorPID(); | |
516 | return detPID->GetRawProbability(detector, p, nSpecies); | |
ea235c90 | 517 | } |
1c9d11be | 518 | |
519 | return GetComputeTRDProbability(track, nSpecies, p); | |
fd21ec8d | 520 | } |
521 | //______________________________________________________________________________ | |
e96b9916 | 522 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const |
fd21ec8d | 523 | { |
524 | // | |
525 | // Compute PID response for the EMCAL | |
526 | // | |
00a38d07 | 527 | |
1c9d11be | 528 | const AliDetectorPID *detPID=track->GetDetectorPID(); |
529 | const EDetector detector=kEMCAL; | |
530 | ||
531 | if ( detPID && detPID->HasRawProbabilitiy(detector)){ | |
532 | return detPID->GetRawProbability(detector, p, nSpecies); | |
533 | } else if (fCachePID) { | |
534 | FillTrackDetectorPID(track, detector); | |
535 | detPID=track->GetDetectorPID(); | |
536 | return detPID->GetRawProbability(detector, p, nSpecies); | |
00a38d07 | 537 | } |
1c9d11be | 538 | |
539 | return GetComputeEMCALProbability(track, nSpecies, p); | |
540 | } | |
541 | //______________________________________________________________________________ | |
542 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const | |
543 | { | |
544 | // | |
545 | // Compute PID response for the PHOS | |
546 | // | |
547 | ||
548 | // look for cached value first | |
549 | // if (track->GetDetectorPID()){ | |
550 | // return track->GetDetectorPID()->GetRawProbability(kPHOS, p, nSpecies); | |
551 | // } | |
552 | ||
553 | // set flat distribution (no decision) | |
00a38d07 | 554 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; |
1c9d11be | 555 | return kDetNoSignal; |
556 | } | |
557 | //______________________________________________________________________________ | |
558 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
559 | { | |
560 | // | |
561 | // Compute PID response for the HMPID | |
562 | // | |
fd21ec8d | 563 | |
1c9d11be | 564 | const AliDetectorPID *detPID=track->GetDetectorPID(); |
565 | const EDetector detector=kHMPID; | |
e96b9916 | 566 | |
1c9d11be | 567 | if ( detPID && detPID->HasRawProbabilitiy(detector)){ |
568 | return detPID->GetRawProbability(detector, p, nSpecies); | |
569 | } else if (fCachePID) { | |
570 | FillTrackDetectorPID(track, detector); | |
571 | detPID=track->GetDetectorPID(); | |
572 | return detPID->GetRawProbability(detector, p, nSpecies); | |
e96b9916 | 573 | } |
00a38d07 | 574 | |
1c9d11be | 575 | return GetComputeHMPIDProbability(track, nSpecies, p); |
fd21ec8d | 576 | } |
577 | ||
4ec8e76d | 578 | //______________________________________________________________________________ |
00a38d07 | 579 | void AliPIDResponse::InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run) |
4ec8e76d | 580 | { |
581 | // | |
582 | // Apply settings for the current event | |
583 | // | |
584 | fRecoPass=pass; | |
e96b9916 | 585 | |
78cbd205 | 586 | |
644666df | 587 | fCurrentEvent=NULL; |
4ec8e76d | 588 | if (!event) return; |
e96b9916 | 589 | fCurrentEvent=event; |
00a38d07 | 590 | if (run>0) fRun=run; |
591 | else fRun=event->GetRunNumber(); | |
4ec8e76d | 592 | |
593 | if (fRun!=fOldRun){ | |
594 | ExecNewRun(); | |
595 | fOldRun=fRun; | |
596 | } | |
597 | ||
598 | //TPC resolution parametrisation PbPb | |
599 | if ( fResolutionCorrection ){ | |
600 | Double_t corrSigma=fResolutionCorrection->Eval(GetTPCMultiplicityBin(event)); | |
601 | fTPCResponse.SetSigma(3.79301e-03*corrSigma, 2.21280e+04); | |
602 | } | |
603 | ||
604 | //TOF resolution | |
b79db598 | 605 | SetTOFResponse(event, (AliPIDResponse::EStartTimeType_t)fTOFPIDParams->GetStartTimeMethod()); |
606 | ||
80f28562 | 607 | |
608 | // Get and set centrality | |
609 | AliCentrality *centrality = event->GetCentrality(); | |
610 | if(centrality){ | |
611 | fCurrCentrality = centrality->GetCentralityPercentile("V0M"); | |
612 | } | |
613 | else{ | |
614 | fCurrCentrality = -1; | |
615 | } | |
4ec8e76d | 616 | } |
617 | ||
618 | //______________________________________________________________________________ | |
619 | void AliPIDResponse::ExecNewRun() | |
620 | { | |
621 | // | |
622 | // Things to Execute upon a new run | |
623 | // | |
624 | SetRecoInfo(); | |
625 | ||
626 | SetITSParametrisation(); | |
627 | ||
628 | SetTPCPidResponseMaster(); | |
629 | SetTPCParametrisation(); | |
f84b18dd | 630 | SetTPCEtaMaps(); |
53d016dc | 631 | |
632 | SetTRDPidResponseMaster(); | |
633 | InitializeTRDResponse(); | |
b2138b40 | 634 | |
635 | SetEMCALPidResponseMaster(); | |
636 | InitializeEMCALResponse(); | |
4ec8e76d | 637 | |
b79db598 | 638 | SetTOFPidResponseMaster(); |
639 | InitializeTOFResponse(); | |
644666df | 640 | |
641 | if (fCurrentEvent) fTPCResponse.SetMagField(fCurrentEvent->GetMagneticField()); | |
4ec8e76d | 642 | } |
643 | ||
1c9d11be | 644 | //______________________________________________________________________________ |
4ec8e76d | 645 | Double_t AliPIDResponse::GetTPCMultiplicityBin(const AliVEvent * const event) |
646 | { | |
647 | // | |
648 | // Get TPC multiplicity in bins of 150 | |
649 | // | |
650 | ||
651 | const AliVVertex* vertexTPC = event->GetPrimaryVertex(); | |
652 | Double_t tpcMulti=0.; | |
653 | if(vertexTPC){ | |
654 | Double_t vertexContribTPC=vertexTPC->GetNContributors(); | |
655 | tpcMulti=vertexContribTPC/150.; | |
656 | if (tpcMulti>20.) tpcMulti=20.; | |
657 | } | |
658 | ||
659 | return tpcMulti; | |
660 | } | |
661 | ||
662 | //______________________________________________________________________________ | |
663 | void AliPIDResponse::SetRecoInfo() | |
664 | { | |
665 | // | |
666 | // Set reconstruction information | |
667 | // | |
668 | ||
669 | //reset information | |
670 | fLHCperiod=""; | |
671 | fMCperiodTPC=""; | |
672 | ||
673 | fBeamType=""; | |
674 | ||
675 | fBeamType="PP"; | |
676 | ||
1436d6bb | 677 | TPRegexp reg(".*(LHC1[1-2][a-z]+[0-9]+[a-z_]*)/.*"); |
a78fd045 | 678 | TPRegexp reg12a17(".*(LHC12a17[a-z]+)/.*"); |
1436d6bb | 679 | |
4ec8e76d | 680 | //find the period by run number (UGLY, but not stored in ESD and AOD... ) |
681 | if (fRun>=114737&&fRun<=117223) { fLHCperiod="LHC10B"; fMCperiodTPC="LHC10D1"; } | |
682 | else if (fRun>=118503&&fRun<=121040) { fLHCperiod="LHC10C"; fMCperiodTPC="LHC10D1"; } | |
683 | else if (fRun>=122195&&fRun<=126437) { fLHCperiod="LHC10D"; fMCperiodTPC="LHC10F6A"; } | |
99e9d5ec | 684 | else if (fRun>=127710&&fRun<=130850) { fLHCperiod="LHC10E"; fMCperiodTPC="LHC10F6A"; } |
4ec8e76d | 685 | else if (fRun>=133004&&fRun<=135029) { fLHCperiod="LHC10F"; fMCperiodTPC="LHC10F6A"; } |
686 | else if (fRun>=135654&&fRun<=136377) { fLHCperiod="LHC10G"; fMCperiodTPC="LHC10F6A"; } | |
12d3abbc | 687 | else if (fRun>=136851&&fRun<=139846) { |
ea235c90 | 688 | fLHCperiod="LHC10H"; |
689 | fMCperiodTPC="LHC10H8"; | |
690 | if (reg.MatchB(fCurrentFile)) fMCperiodTPC="LHC11A10"; | |
691 | fBeamType="PBPB"; | |
692 | } | |
12d3abbc | 693 | else if (fRun>=139847&&fRun<=146974) { fLHCperiod="LHC11A"; fMCperiodTPC="LHC10F6A"; } |
694 | //TODO: periods 11B (146975-150721), 11C (150722-155837) are not yet treated assume 11d for the moment | |
695 | else if (fRun>=146975&&fRun<=155837) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; } | |
696 | else if (fRun>=155838&&fRun<=159649) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; } | |
697 | // also for 11e (159650-162750),f(162751-165771) use 11d | |
698 | else if (fRun>=159650&&fRun<=162750) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; } | |
699 | else if (fRun>=162751&&fRun<=165771) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; } | |
00a38d07 | 700 | |
12d3abbc | 701 | else if (fRun>=165772 && fRun<=170718) { |
3077a03d | 702 | fLHCperiod="LHC11H"; |
703 | fMCperiodTPC="LHC11A10"; | |
704 | fBeamType="PBPB"; | |
a78fd045 | 705 | if (reg12a17.MatchB(fCurrentFile)) fMCperiodTPC="LHC12A17"; |
3077a03d | 706 | } |
8af51a65 | 707 | if (fRun>=170719 && fRun<=177311) { fLHCperiod="LHC12A"; fBeamType="PP"; /*fMCperiodTPC="";*/ } |
708 | // for the moment use LHC12b parameters up to LHC12e | |
709 | if (fRun>=177312 /*&& fRun<=179356*/) { fLHCperiod="LHC12B"; fBeamType="PP"; /*fMCperiodTPC="";*/ } | |
710 | // if (fRun>=179357 && fRun<=183173) { fLHCperiod="LHC12C"; fBeamType="PP"; /*fMCperiodTPC="";*/ } | |
711 | // if (fRun>=183174 && fRun<=186345) { fLHCperiod="LHC12D"; fBeamType="PP"; /*fMCperiodTPC="";*/ } | |
712 | // if (fRun>=186346 && fRun<=186635) { fLHCperiod="LHC12E"; fBeamType="PP"; /*fMCperiodTPC="";*/ } | |
713 | ||
714 | // if (fRun>=186636 && fRun<=188166) { fLHCperiod="LHC12F"; fBeamType="PP"; /*fMCperiodTPC="";*/ } | |
715 | // if (fRun >= 188167 && fRun <= 188355 ) { fLHCperiod="LHC12G"; fBeamType="PP"; /*fMCperiodTPC="";*/ } | |
716 | // if (fRun >= 188356 && fRun <= 188503 ) { fLHCperiod="LHC12G"; fBeamType="PPB"; /*fMCperiodTPC="";*/ } | |
717 | // for the moment use 12g parametrisation for all full gain runs (LHC12f+) | |
1b45e564 | 718 | if (fRun >= 186636 ) { fLHCperiod="LHC12G"; fBeamType="PPB"; fMCperiodTPC="LHC12G"; } |
80ab5635 | 719 | |
720 | //exception new pp MC productions from 2011 | |
1b45e564 | 721 | if (fBeamType=="PP" && reg.MatchB(fCurrentFile)) { fMCperiodTPC="LHC11B2"; fBeamType="PP"; } |
4a527e08 | 722 | // exception for 11f1 |
00a38d07 | 723 | if (fCurrentFile.Contains("LHC11f1/")) fMCperiodTPC="LHC11F1"; |
1b45e564 | 724 | // exception for 12f1a and 12f1b |
725 | if (fCurrentFile.Contains("LHC12f1a/") || fCurrentFile.Contains("LHC12f1b/")) fMCperiodTPC="LHC12F1"; | |
4ec8e76d | 726 | } |
727 | ||
728 | //______________________________________________________________________________ | |
729 | void AliPIDResponse::SetITSParametrisation() | |
730 | { | |
731 | // | |
732 | // Set the ITS parametrisation | |
733 | // | |
734 | } | |
735 | ||
f84b18dd | 736 | |
737 | //______________________________________________________________________________ | |
738 | void AliPIDResponse::AddPointToHyperplane(TH2D* h, TLinearFitter* linExtrapolation, Int_t binX, Int_t binY) | |
739 | { | |
740 | if (h->GetBinContent(binX, binY) <= 1e-4) | |
741 | return; // Reject bins without content (within some numerical precision) or with strange content | |
742 | ||
743 | Double_t coord[2] = {0, 0}; | |
744 | coord[0] = h->GetXaxis()->GetBinCenter(binX); | |
745 | coord[1] = h->GetYaxis()->GetBinCenter(binY); | |
746 | Double_t binError = h->GetBinError(binX, binY); | |
747 | if (binError <= 0) { | |
748 | binError = 1000; // Should not happen because bins without content are rejected for the map (TH2D* h) | |
749 | printf("ERROR: This should never happen: Trying to add bin in addPointToHyperplane with error not set....\n"); | |
750 | } | |
751 | linExtrapolation->AddPoint(coord, h->GetBinContent(binX, binY, binError)); | |
752 | } | |
753 | ||
754 | ||
755 | //______________________________________________________________________________ | |
756 | TH2D* AliPIDResponse::RefineHistoViaLinearInterpolation(TH2D* h, Double_t refineFactorX, Double_t refineFactorY) | |
757 | { | |
758 | if (!h) | |
759 | return 0x0; | |
760 | ||
761 | // Interpolate to finer map | |
762 | TLinearFitter* linExtrapolation = new TLinearFitter(2, "hyp2", ""); | |
763 | ||
764 | Double_t upperMapBoundY = h->GetYaxis()->GetBinUpEdge(h->GetYaxis()->GetNbins()); | |
765 | Double_t lowerMapBoundY = h->GetYaxis()->GetBinLowEdge(1); | |
1b45e564 | 766 | Int_t nBinsX = 30; |
f84b18dd | 767 | // Binning was find to yield good results, if 40 bins are chosen for the range 0.0016 to 0.02. For the new variable range, |
768 | // scale the number of bins correspondingly | |
1b45e564 | 769 | Int_t nBinsY = TMath::Nint((upperMapBoundY - lowerMapBoundY) / (0.02 - 0.0016) * 40); |
f84b18dd | 770 | Int_t nBinsXrefined = nBinsX * refineFactorX; |
771 | Int_t nBinsYrefined = nBinsY * refineFactorY; | |
772 | ||
773 | TH2D* hRefined = new TH2D(Form("%s_refined", h->GetName()), Form("%s (refined)", h->GetTitle()), | |
774 | nBinsXrefined, h->GetXaxis()->GetBinLowEdge(1), h->GetXaxis()->GetBinUpEdge(h->GetXaxis()->GetNbins()), | |
775 | nBinsYrefined, lowerMapBoundY, upperMapBoundY); | |
776 | ||
777 | for (Int_t binX = 1; binX <= nBinsXrefined; binX++) { | |
778 | for (Int_t binY = 1; binY <= nBinsYrefined; binY++) { | |
779 | ||
780 | hRefined->SetBinContent(binX, binY, 1); // Default value is 1 | |
781 | ||
782 | Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX); | |
783 | Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY); | |
784 | ||
1b45e564 | 785 | /*OLD |
f84b18dd | 786 | linExtrapolation->ClearPoints(); |
787 | ||
788 | // For interpolation: Just take the corresponding bin from the old histo. | |
789 | // For extrapolation: take the last available bin from the old histo. | |
790 | // If the boundaries are to be skipped, also skip the corresponding bins | |
791 | Int_t oldBinX = h->GetXaxis()->FindBin(centerX); | |
792 | if (oldBinX < 1) | |
793 | oldBinX = 1; | |
794 | if (oldBinX > nBinsX) | |
795 | oldBinX = nBinsX; | |
796 | ||
797 | Int_t oldBinY = h->GetYaxis()->FindBin(centerY); | |
798 | if (oldBinY < 1) | |
799 | oldBinY = 1; | |
800 | if (oldBinY > nBinsY) | |
801 | oldBinY = nBinsY; | |
802 | ||
803 | // Neighbours left column | |
804 | if (oldBinX >= 2) { | |
805 | if (oldBinY >= 2) { | |
806 | AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY - 1); | |
807 | } | |
808 | ||
809 | AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY); | |
810 | ||
811 | if (oldBinY < nBinsY) { | |
812 | AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY + 1); | |
813 | } | |
814 | } | |
815 | ||
816 | // Neighbours (and point itself) same column | |
817 | if (oldBinY >= 2) { | |
818 | AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY - 1); | |
819 | } | |
820 | ||
821 | AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY); | |
822 | ||
823 | if (oldBinY < nBinsY) { | |
824 | AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY + 1); | |
825 | } | |
826 | ||
827 | // Neighbours right column | |
828 | if (oldBinX < nBinsX) { | |
829 | if (oldBinY >= 2) { | |
830 | AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY - 1); | |
831 | } | |
832 | ||
833 | AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY); | |
834 | ||
835 | if (oldBinY < nBinsY) { | |
836 | AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY + 1); | |
837 | } | |
838 | } | |
839 | ||
840 | ||
841 | // Fit 2D-hyperplane | |
842 | if (linExtrapolation->GetNpoints() <= 0) | |
843 | continue; | |
844 | ||
845 | if (linExtrapolation->Eval() != 0)// EvalRobust -> Takes much, much, [...], much more time (~hours instead of seconds) | |
846 | continue; | |
847 | ||
848 | // Fill the bin of the refined histogram with the extrapolated value | |
849 | Double_t interpolatedValue = linExtrapolation->GetParameter(0) + linExtrapolation->GetParameter(1) * centerX | |
850 | + linExtrapolation->GetParameter(2) * centerY; | |
851 | */ | |
f85a3764 | 852 | Double_t interpolatedValue = h->Interpolate(centerX, centerY) ; |
f84b18dd | 853 | hRefined->SetBinContent(binX, binY, interpolatedValue); |
854 | } | |
855 | } | |
856 | ||
1b45e564 | 857 | |
858 | // Problem: Interpolation does not work before/beyond center of first/last bin (as the name suggests). | |
859 | // Therefore, for each row in dEdx: Take last bin from old map and interpolate values from center and edge. | |
860 | // Assume line through these points and extropolate to last bin of refined map | |
861 | const Double_t firstOldXbinUpEdge = h->GetXaxis()->GetBinUpEdge(1); | |
862 | const Double_t firstOldXbinCenter = h->GetXaxis()->GetBinCenter(1); | |
863 | ||
864 | const Double_t oldXbinHalfWidth = firstOldXbinUpEdge - firstOldXbinCenter; | |
865 | ||
866 | const Double_t lastOldXbinLowEdge = h->GetXaxis()->GetBinLowEdge(h->GetNbinsX()); | |
867 | const Double_t lastOldXbinCenter = h->GetXaxis()->GetBinCenter(h->GetNbinsX()); | |
868 | ||
869 | for (Int_t binY = 1; binY <= nBinsYrefined; binY++) { | |
870 | Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY); | |
871 | ||
872 | const Double_t interpolatedCenterFirstXbin = h->Interpolate(firstOldXbinCenter, centerY); | |
873 | const Double_t interpolatedUpEdgeFirstXbin = h->Interpolate(firstOldXbinUpEdge, centerY); | |
874 | ||
875 | const Double_t extrapolationSlopeFirstXbin = (interpolatedUpEdgeFirstXbin - interpolatedCenterFirstXbin) / oldXbinHalfWidth; | |
876 | const Double_t extrapolationOffsetFirstXbin = interpolatedCenterFirstXbin; | |
877 | ||
878 | ||
879 | const Double_t interpolatedCenterLastXbin = h->Interpolate(lastOldXbinCenter, centerY); | |
880 | const Double_t interpolatedLowEdgeLastXbin = h->Interpolate(lastOldXbinLowEdge, centerY); | |
881 | ||
882 | const Double_t extrapolationSlopeLastXbin = (interpolatedCenterLastXbin - interpolatedLowEdgeLastXbin) / oldXbinHalfWidth; | |
883 | const Double_t extrapolationOffsetLastXbin = interpolatedCenterLastXbin; | |
884 | ||
885 | for (Int_t binX = 1; binX <= nBinsXrefined; binX++) { | |
886 | Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX); | |
887 | ||
888 | if (centerX < firstOldXbinCenter) { | |
889 | Double_t extrapolatedValue = extrapolationOffsetFirstXbin + (centerX - firstOldXbinCenter) * extrapolationSlopeFirstXbin; | |
890 | hRefined->SetBinContent(binX, binY, extrapolatedValue); | |
891 | } | |
892 | else if (centerX <= lastOldXbinCenter) { | |
893 | continue; | |
894 | } | |
895 | else { | |
896 | Double_t extrapolatedValue = extrapolationOffsetLastXbin + (centerX - lastOldXbinCenter) * extrapolationSlopeLastXbin; | |
897 | hRefined->SetBinContent(binX, binY, extrapolatedValue); | |
898 | } | |
899 | } | |
900 | } | |
901 | ||
f84b18dd | 902 | delete linExtrapolation; |
903 | ||
904 | return hRefined; | |
905 | } | |
906 | ||
907 | //______________________________________________________________________________ | |
908 | void AliPIDResponse::SetTPCEtaMaps(Double_t refineFactorMapX, Double_t refineFactorMapY, | |
909 | Double_t refineFactorSigmaMapX, Double_t refineFactorSigmaMapY) | |
910 | { | |
911 | // | |
912 | // Load the TPC eta correction maps from the OADB | |
913 | // | |
914 | ||
f85a3764 | 915 | if (fUseTPCEtaCorrection == kFALSE) { |
916 | // Disable eta correction via setting no maps | |
917 | if (!fTPCResponse.SetEtaCorrMap(0x0)) | |
1b45e564 | 918 | AliInfo("Request to disable TPC eta correction -> Eta correction has been disabled"); |
f85a3764 | 919 | else |
920 | AliError("Request to disable TPC eta correction -> Some error occured when unloading the correction maps"); | |
921 | ||
922 | if (!fTPCResponse.SetSigmaParams(0x0, 0)) | |
1b45e564 | 923 | AliInfo("Request to disable TPC eta correction -> Using old parametrisation for sigma"); |
924 | else | |
f85a3764 | 925 | AliError("Request to disable TPC eta correction -> Some error occured when unloading the sigma maps"); |
926 | ||
927 | return; | |
928 | } | |
1b45e564 | 929 | |
f84b18dd | 930 | TString dataType = "DATA"; |
931 | TString period = fLHCperiod.IsNull() ? "No period information" : fLHCperiod; | |
932 | ||
933 | if (fIsMC) { | |
f85a3764 | 934 | if (!fTuneMConData) { |
935 | period=fMCperiodTPC; | |
936 | dataType="MC"; | |
937 | } | |
f84b18dd | 938 | fRecoPass = 1; |
939 | ||
f85a3764 | 940 | if (!fTuneMConData && fMCperiodTPC.IsNull()) { |
f84b18dd | 941 | AliFatal("MC detected, but no MC period set -> Not changing eta maps!"); |
942 | return; | |
943 | } | |
f84b18dd | 944 | } |
f85a3764 | 945 | |
946 | Int_t recopass = fRecoPass; | |
947 | if (fTuneMConData) | |
948 | recopass = fRecoPassUser; | |
f84b18dd | 949 | |
f85a3764 | 950 | TString defaultObj = Form("Default_%s_pass%d", dataType.Data(), recopass); |
f84b18dd | 951 | |
f85a3764 | 952 | AliInfo(Form("Current period and reco pass: %s.pass%d", period.Data(), recopass)); |
f84b18dd | 953 | |
954 | // Invalidate old maps | |
955 | fTPCResponse.SetEtaCorrMap(0x0); | |
956 | fTPCResponse.SetSigmaParams(0x0, 0); | |
957 | ||
958 | // Load the eta correction maps | |
f85a3764 | 959 | AliOADBContainer etaMapsCont(Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass)); |
f84b18dd | 960 | |
961 | Int_t statusCont = etaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()), | |
f85a3764 | 962 | Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass)); |
f84b18dd | 963 | if (statusCont) { |
964 | AliError("Failed initializing TPC eta correction maps from OADB -> Disabled eta correction"); | |
965 | } | |
966 | else { | |
967 | AliInfo(Form("Loading TPC eta correction map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data())); | |
968 | ||
969 | TH2D* etaMap = 0x0; | |
970 | ||
f85a3764 | 971 | if (fIsMC && !fTuneMConData) { |
972 | TString searchMap = Form("TPCetaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass); | |
f84b18dd | 973 | etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(searchMap.Data())); |
974 | if (!etaMap) { | |
975 | // Try default object | |
976 | etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(defaultObj.Data())); | |
977 | } | |
978 | } | |
979 | else { | |
980 | etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetObject(fRun, defaultObj.Data())); | |
981 | } | |
982 | ||
983 | ||
984 | if (!etaMap) { | |
985 | AliError(Form("TPC eta correction map not found for run %d and also no default map found -> Disabled eta correction!!!", fRun)); | |
986 | } | |
987 | else { | |
988 | TH2D* etaMapRefined = RefineHistoViaLinearInterpolation(etaMap, refineFactorMapX, refineFactorMapY); | |
989 | ||
990 | if (etaMapRefined) { | |
991 | if (!fTPCResponse.SetEtaCorrMap(etaMapRefined)) { | |
992 | AliError(Form("Failed to set TPC eta correction map for run %d -> Disabled eta correction!!!", fRun)); | |
993 | fTPCResponse.SetEtaCorrMap(0x0); | |
994 | } | |
995 | else { | |
996 | AliInfo(Form("Loaded TPC eta correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s", | |
997 | refineFactorMapX, refineFactorMapY, fOADBPath.Data(), fTPCResponse.GetEtaCorrMap()->GetTitle())); | |
998 | } | |
999 | ||
1000 | delete etaMapRefined; | |
1001 | } | |
1002 | else { | |
1003 | AliError(Form("Failed to set TPC eta correction map for run %d (map was loaded, but couldn't be refined) -> Disabled eta correction!!!", fRun)); | |
1004 | } | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | // Load the sigma parametrisation (1/dEdx vs tanTheta_local (~eta)) | |
f85a3764 | 1009 | AliOADBContainer etaSigmaMapsCont(Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass)); |
f84b18dd | 1010 | |
1011 | statusCont = etaSigmaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()), | |
f85a3764 | 1012 | Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass)); |
f84b18dd | 1013 | if (statusCont) { |
1014 | AliError("Failed initializing TPC eta sigma maps from OADB -> Using old sigma parametrisation"); | |
1015 | } | |
1016 | else { | |
1017 | AliInfo(Form("Loading TPC eta sigma map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data())); | |
1018 | ||
1019 | TObjArray* etaSigmaPars = 0x0; | |
1020 | ||
f85a3764 | 1021 | if (fIsMC && !fTuneMConData) { |
1022 | TString searchMap = Form("TPCetaSigmaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass); | |
f84b18dd | 1023 | etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(searchMap.Data())); |
1024 | if (!etaSigmaPars) { | |
1025 | // Try default object | |
1026 | etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(defaultObj.Data())); | |
1027 | } | |
1028 | } | |
1029 | else { | |
1030 | etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetObject(fRun, defaultObj.Data())); | |
1031 | } | |
1032 | ||
1033 | if (!etaSigmaPars) { | |
1034 | AliError(Form("TPC eta sigma parametrisation not found for run %d -> Using old sigma parametrisation!!!", fRun)); | |
1035 | } | |
1036 | else { | |
1037 | TH2D* etaSigmaPar1Map = dynamic_cast<TH2D *>(etaSigmaPars->FindObject("sigmaPar1Map")); | |
1038 | TNamed* sigmaPar0Info = dynamic_cast<TNamed *>(etaSigmaPars->FindObject("sigmaPar0")); | |
1039 | Double_t sigmaPar0 = 0.0; | |
1040 | ||
1041 | if (sigmaPar0Info) { | |
1042 | TString sigmaPar0String = sigmaPar0Info->GetTitle(); | |
1043 | sigmaPar0 = sigmaPar0String.Atof(); | |
1044 | } | |
1045 | else { | |
1046 | // Something is weired because the object for parameter 0 could not be loaded -> New sigma parametrisation can not be used! | |
1047 | etaSigmaPar1Map = 0x0; | |
1048 | } | |
1049 | ||
1050 | TH2D* etaSigmaPar1MapRefined = RefineHistoViaLinearInterpolation(etaSigmaPar1Map, refineFactorSigmaMapX, refineFactorSigmaMapY); | |
1051 | ||
1052 | ||
1053 | if (etaSigmaPar1MapRefined) { | |
1054 | if (!fTPCResponse.SetSigmaParams(etaSigmaPar1MapRefined, sigmaPar0)) { | |
1055 | AliError(Form("Failed to set TPC eta sigma map for run %d -> Using old sigma parametrisation!!!", fRun)); | |
1056 | fTPCResponse.SetSigmaParams(0x0, 0); | |
1057 | } | |
1058 | else { | |
1059 | AliInfo(Form("Loaded TPC sigma correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s", | |
1060 | refineFactorSigmaMapX, refineFactorSigmaMapY, fOADBPath.Data(), fTPCResponse.GetSigmaPar1Map()->GetTitle())); | |
1061 | } | |
1062 | ||
1063 | delete etaSigmaPar1MapRefined; | |
1064 | } | |
1065 | else { | |
1066 | AliError(Form("Failed to set TPC eta sigma map for run %d (map was loaded, but couldn't be refined) -> Using old sigma parametrisation!!!", | |
1067 | fRun)); | |
1068 | } | |
1069 | } | |
1070 | } | |
1071 | } | |
1072 | ||
4ec8e76d | 1073 | //______________________________________________________________________________ |
1074 | void AliPIDResponse::SetTPCPidResponseMaster() | |
1075 | { | |
1076 | // | |
1077 | // Load the TPC pid response functions from the OADB | |
644666df | 1078 | // Load the TPC voltage maps from OADB |
4ec8e76d | 1079 | // |
09b50a42 | 1080 | //don't load twice for the moment |
1081 | if (fArrPidResponseMaster) return; | |
1082 | ||
1083 | ||
4ec8e76d | 1084 | //reset the PID response functions |
1085 | delete fArrPidResponseMaster; | |
644666df | 1086 | fArrPidResponseMaster=NULL; |
4ec8e76d | 1087 | |
1088 | TString fileName(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data())); | |
644666df | 1089 | TFile *f=NULL; |
00a38d07 | 1090 | if (!fCustomTPCpidResponse.IsNull()) fileName=fCustomTPCpidResponse; |
4ec8e76d | 1091 | |
644666df | 1092 | TString fileNamePIDresponse(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data())); |
1093 | f=TFile::Open(fileNamePIDresponse.Data()); | |
ea235c90 | 1094 | if (f && f->IsOpen() && !f->IsZombie()){ |
1095 | fArrPidResponseMaster=dynamic_cast<TObjArray*>(f->Get("TPCPIDResponse")); | |
4ec8e76d | 1096 | } |
ea235c90 | 1097 | delete f; |
644666df | 1098 | |
1099 | TString fileNameVoltageMaps(Form("%s/COMMON/PID/data/TPCvoltageSettings.root", fOADBPath.Data())); | |
1100 | f=TFile::Open(fileNameVoltageMaps.Data()); | |
1101 | if (f && f->IsOpen() && !f->IsZombie()){ | |
1102 | fOADBvoltageMaps=dynamic_cast<AliOADBContainer*>(f->Get("TPCvoltageSettings")); | |
1103 | } | |
1104 | delete f; | |
4ec8e76d | 1105 | |
1106 | if (!fArrPidResponseMaster){ | |
644666df | 1107 | AliFatal(Form("Could not retrieve the TPC pid response from: %s",fileNamePIDresponse.Data())); |
4ec8e76d | 1108 | return; |
1109 | } | |
1110 | fArrPidResponseMaster->SetOwner(); | |
644666df | 1111 | |
1112 | if (!fOADBvoltageMaps) | |
1113 | { | |
1114 | AliFatal(Form("Could not retrieve the TPC voltage maps from: %s",fileNameVoltageMaps.Data())); | |
1115 | } | |
1116 | fArrPidResponseMaster->SetOwner(); | |
4ec8e76d | 1117 | } |
1118 | ||
1119 | //______________________________________________________________________________ | |
1120 | void AliPIDResponse::SetTPCParametrisation() | |
1121 | { | |
1122 | // | |
1123 | // Change BB parametrisation for current run | |
1124 | // | |
1125 | ||
12d3abbc | 1126 | // |
1127 | //reset old splines | |
1128 | // | |
1129 | fTPCResponse.ResetSplines(); | |
1130 | ||
4ec8e76d | 1131 | if (fLHCperiod.IsNull()) { |
12d3abbc | 1132 | AliError("No period set, not changing parametrisation"); |
4ec8e76d | 1133 | return; |
1134 | } | |
1135 | ||
1136 | // | |
1137 | // Set default parametrisations for data and MC | |
1138 | // | |
1139 | ||
1140 | //data type | |
1141 | TString datatype="DATA"; | |
1142 | //in case of mc fRecoPass is per default 1 | |
1143 | if (fIsMC) { | |
539a5a59 | 1144 | if(!fTuneMConData) datatype="MC"; |
1145 | fRecoPass=1; | |
4ec8e76d | 1146 | } |
f84b18dd | 1147 | |
4a527e08 | 1148 | // period |
1149 | TString period=fLHCperiod; | |
539a5a59 | 1150 | if (fIsMC && !fTuneMConData) period=fMCperiodTPC; |
4a527e08 | 1151 | |
f85a3764 | 1152 | Int_t recopass = fRecoPass; |
1153 | if(fTuneMConData) recopass = fRecoPassUser; | |
1154 | ||
1155 | AliInfo(Form("Searching splines for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data())); | |
4a527e08 | 1156 | Bool_t found=kFALSE; |
4ec8e76d | 1157 | // |
1158 | //set the new PID splines | |
1159 | // | |
4ec8e76d | 1160 | if (fArrPidResponseMaster){ |
4ec8e76d | 1161 | //for MC don't use period information |
644666df | 1162 | //if (fIsMC) period="[A-Z0-9]*"; |
4ec8e76d | 1163 | //for MC use MC period information |
644666df | 1164 | //pattern for the default entry (valid for all particles) |
de678885 | 1165 | TPRegexp reg(Form("TSPLINE3_%s_([A-Z]*)_%s_PASS%d_%s_MEAN(_*)([A-Z1-9]*)",datatype.Data(),period.Data(),recopass,fBeamType.Data())); |
644666df | 1166 | |
f85a3764 | 1167 | //find particle id and gain scenario |
644666df | 1168 | for (Int_t igainScenario=0; igainScenario<AliTPCPIDResponse::fgkNumberOfGainScenarios; igainScenario++) |
1169 | { | |
1170 | TObject *grAll=NULL; | |
1171 | TString gainScenario = AliTPCPIDResponse::GainScenarioName(igainScenario); | |
1172 | gainScenario.ToUpper(); | |
1173 | //loop over entries and filter them | |
1174 | for (Int_t iresp=0; iresp<fArrPidResponseMaster->GetEntriesFast();++iresp) | |
1175 | { | |
1176 | TObject *responseFunction=fArrPidResponseMaster->At(iresp); | |
1177 | if (responseFunction==NULL) continue; | |
1178 | TString responseName=responseFunction->GetName(); | |
1179 | ||
1180 | if (!reg.MatchB(responseName)) continue; | |
1181 | ||
1182 | TObjArray *arr=reg.MatchS(responseName); if (!arr) continue; | |
1183 | TObject* tmp=NULL; | |
1184 | tmp=arr->At(1); if (!tmp) continue; | |
1185 | TString particleName=tmp->GetName(); | |
1186 | tmp=arr->At(3); if (!tmp) continue; | |
1187 | TString gainScenarioName=tmp->GetName(); | |
1188 | delete arr; | |
1189 | if (particleName.IsNull()) continue; | |
1190 | if (!grAll && particleName=="ALL" && gainScenarioName==gainScenario) grAll=responseFunction; | |
1191 | else | |
1192 | { | |
1193 | for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec) | |
1194 | { | |
1195 | TString particle=AliPID::ParticleName(ispec); | |
1196 | particle.ToUpper(); | |
1197 | //std::cout<<responseName<<" "<<particle<<" "<<particleName<<" "<<gainScenario<<" "<<gainScenarioName<<std::endl; | |
1198 | if ( particle == particleName && gainScenario == gainScenarioName ) | |
1199 | { | |
1200 | fTPCResponse.SetResponseFunction( responseFunction, | |
1201 | (AliPID::EParticleType)ispec, | |
1202 | (AliTPCPIDResponse::ETPCgainScenario)igainScenario ); | |
1203 | fTPCResponse.SetUseDatabase(kTRUE); | |
1204 | AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,responseFunction->GetName())); | |
1205 | found=kTRUE; | |
1206 | // overwrite default with proton spline (for light nuclei) | |
1207 | if (ispec==AliPID::kProton) grAll=responseFunction; | |
1208 | break; | |
1209 | } | |
4ec8e76d | 1210 | } |
1211 | } | |
1212 | } | |
644666df | 1213 | if (grAll) |
1214 | { | |
1215 | for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec) | |
1216 | { | |
1217 | if (!fTPCResponse.GetResponseFunction( (AliPID::EParticleType)ispec, | |
1218 | (AliTPCPIDResponse::ETPCgainScenario)igainScenario)) | |
1219 | { | |
1220 | fTPCResponse.SetResponseFunction( grAll, | |
1221 | (AliPID::EParticleType)ispec, | |
1222 | (AliTPCPIDResponse::ETPCgainScenario)igainScenario ); | |
1223 | fTPCResponse.SetUseDatabase(kTRUE); | |
1224 | AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,grAll->GetName())); | |
1225 | found=kTRUE; | |
1226 | } | |
4ec8e76d | 1227 | } |
1228 | } | |
1229 | } | |
1230 | } | |
644666df | 1231 | else AliInfo("no fArrPidResponseMaster"); |
4a527e08 | 1232 | |
1233 | if (!found){ | |
f85a3764 | 1234 | AliError(Form("No splines found for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data())); |
4a527e08 | 1235 | } |
644666df | 1236 | |
4ec8e76d | 1237 | // |
1238 | // Setup resolution parametrisation | |
1239 | // | |
1240 | ||
1241 | //default | |
1242 | fTPCResponse.SetSigma(3.79301e-03, 2.21280e+04); | |
1243 | ||
1244 | if (fRun>=122195){ | |
1245 | fTPCResponse.SetSigma(2.30176e-02, 5.60422e+02); | |
1246 | } | |
8af51a65 | 1247 | |
1248 | if (fRun>=186636){ | |
1249 | // if (fRun>=188356){ | |
723c4874 | 1250 | fTPCResponse.SetSigma(8.62022e-04, 9.08156e+05); |
1251 | } | |
1252 | ||
23425eb2 | 1253 | if (fArrPidResponseMaster) |
f85a3764 | 1254 | fResolutionCorrection=(TF1*)fArrPidResponseMaster->FindObject(Form("TF1_%s_ALL_%s_PASS%d_%s_SIGMA",datatype.Data(),period.Data(),recopass,fBeamType.Data())); |
4ec8e76d | 1255 | |
1256 | if (fResolutionCorrection) AliInfo(Form("Setting multiplicity correction function: %s",fResolutionCorrection->GetName())); | |
644666df | 1257 | |
1258 | //read in the voltage map | |
12d3abbc | 1259 | TVectorF* gsm = 0x0; |
1260 | if (fOADBvoltageMaps) gsm=dynamic_cast<TVectorF*>(fOADBvoltageMaps->GetObject(fRun)); | |
644666df | 1261 | if (gsm) |
1262 | { | |
1263 | fTPCResponse.SetVoltageMap(*gsm); | |
1264 | TString vals; | |
1265 | AliInfo(Form("Reading the voltage map for run %d\n",fRun)); | |
1266 | vals="IROC A: "; for (Int_t i=0; i<18; i++){vals+=Form("%.2f ",(*gsm)[i]);} | |
1267 | AliInfo(vals.Data()); | |
1268 | vals="IROC C: "; for (Int_t i=18; i<36; i++){vals+=Form("%.2f ",(*gsm)[i]);} | |
1269 | AliInfo(vals.Data()); | |
1270 | vals="OROC A: "; for (Int_t i=36; i<54; i++){vals+=Form("%.2f ",(*gsm)[i]);} | |
1271 | AliInfo(vals.Data()); | |
1272 | vals="OROC C: "; for (Int_t i=54; i<72; i++){vals+=Form("%.2f ",(*gsm)[i]);} | |
1273 | AliInfo(vals.Data()); | |
1274 | } | |
1275 | else AliInfo("no voltage map, ideal default assumed"); | |
4ec8e76d | 1276 | } |
1277 | ||
ea235c90 | 1278 | //______________________________________________________________________________ |
1279 | void AliPIDResponse::SetTRDPidResponseMaster() | |
1280 | { | |
1281 | // | |
1282 | // Load the TRD pid params and references from the OADB | |
1283 | // | |
db0e2c5f | 1284 | if(fTRDPIDResponseObject) return; |
53d016dc | 1285 | AliOADBContainer contParams("contParams"); |
1286 | ||
db0e2c5f | 1287 | Int_t statusResponse = contParams.InitFromFile(Form("%s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()), "AliTRDPIDResponseObject"); |
1288 | if(statusResponse){ | |
1289 | AliError("Failed initializing PID Response Object from OADB"); | |
59a8e853 | 1290 | } else { |
db0e2c5f | 1291 | AliInfo(Form("Loading TRD Response from %s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data())); |
1292 | fTRDPIDResponseObject = dynamic_cast<AliTRDPIDResponseObject *>(contParams.GetObject(fRun)); | |
1293 | if(!fTRDPIDResponseObject){ | |
1294 | AliError(Form("TRD Response not found in run %d", fRun)); | |
59a8e853 | 1295 | } |
1296 | } | |
ea235c90 | 1297 | } |
1298 | ||
1299 | //______________________________________________________________________________ | |
1300 | void AliPIDResponse::InitializeTRDResponse(){ | |
1301 | // | |
1302 | // Set PID Params and references to the TRD PID response | |
1303 | // | |
db0e2c5f | 1304 | fTRDResponse.SetPIDResponseObject(fTRDPIDResponseObject); |
f2762b1c | 1305 | } |
1306 | ||
bd58d4b9 | 1307 | //______________________________________________________________________________ |
1308 | void AliPIDResponse::SetTRDSlices(UInt_t TRDslicesForPID[2],AliTRDPIDResponse::ETRDPIDMethod method) const{ | |
1309 | ||
1310 | if(fLHCperiod == "LHC10d" || fLHCperiod == "LHC10e"){ | |
1311 | // backward compatibility for setting with 8 slices | |
1312 | TRDslicesForPID[0] = 0; | |
1313 | TRDslicesForPID[1] = 7; | |
f2762b1c | 1314 | } |
bd58d4b9 | 1315 | else{ |
1316 | if(method==AliTRDPIDResponse::kLQ1D){ | |
1317 | TRDslicesForPID[0] = 0; // first Slice contains normalized dEdx | |
1318 | TRDslicesForPID[1] = 0; | |
1319 | } | |
1320 | if(method==AliTRDPIDResponse::kLQ2D){ | |
1321 | TRDslicesForPID[0] = 1; | |
1322 | TRDslicesForPID[1] = 7; | |
1323 | } | |
db0e2c5f | 1324 | } |
bd58d4b9 | 1325 | AliDebug(1,Form("Slice Range set to %d - %d",TRDslicesForPID[0],TRDslicesForPID[1])); |
ea235c90 | 1326 | } |
1327 | ||
b79db598 | 1328 | //______________________________________________________________________________ |
1329 | void AliPIDResponse::SetTOFPidResponseMaster() | |
1330 | { | |
1331 | // | |
1332 | // Load the TOF pid params from the OADB | |
1333 | // | |
00a38d07 | 1334 | |
1335 | if (fTOFPIDParams) delete fTOFPIDParams; | |
644666df | 1336 | fTOFPIDParams=NULL; |
00a38d07 | 1337 | |
b79db598 | 1338 | TFile *oadbf = new TFile(Form("%s/COMMON/PID/data/TOFPIDParams.root",fOADBPath.Data())); |
00a38d07 | 1339 | if (oadbf && oadbf->IsOpen()) { |
b79db598 | 1340 | AliInfo(Form("Loading TOF Params from %s/COMMON/PID/data/TOFPIDParams.root", fOADBPath.Data())); |
1341 | AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("TOFoadb"); | |
00a38d07 | 1342 | if (oadbc) fTOFPIDParams = dynamic_cast<AliTOFPIDParams *>(oadbc->GetObject(fRun,"TOFparams")); |
b79db598 | 1343 | oadbf->Close(); |
1344 | delete oadbc; | |
b79db598 | 1345 | } |
1346 | delete oadbf; | |
1347 | ||
00a38d07 | 1348 | if (!fTOFPIDParams) AliFatal("TOFPIDParams could not be retrieved"); |
1349 | } | |
b79db598 | 1350 | |
1351 | //______________________________________________________________________________ | |
1352 | void AliPIDResponse::InitializeTOFResponse(){ | |
1353 | // | |
1354 | // Set PID Params to the TOF PID response | |
00a38d07 | 1355 | // |
1356 | ||
1357 | AliInfo("TOF PID Params loaded from OADB"); | |
1358 | AliInfo(Form(" TOF resolution %5.2f [ps]",fTOFPIDParams->GetTOFresolution())); | |
1359 | AliInfo(Form(" StartTime method %d",fTOFPIDParams->GetStartTimeMethod())); | |
1360 | AliInfo(Form(" TOF res. mom. params: %5.2f %5.2f %5.2f %5.2f", | |
1361 | fTOFPIDParams->GetSigParams(0),fTOFPIDParams->GetSigParams(1),fTOFPIDParams->GetSigParams(2),fTOFPIDParams->GetSigParams(3))); | |
1362 | ||
b79db598 | 1363 | for (Int_t i=0;i<4;i++) { |
1364 | fTOFResponse.SetTrackParameter(i,fTOFPIDParams->GetSigParams(i)); | |
1365 | } | |
1366 | fTOFResponse.SetTimeResolution(fTOFPIDParams->GetTOFresolution()); | |
1367 | ||
78cbd205 | 1368 | AliInfo("TZERO resolution loaded from ESDrun/AODheader"); |
1369 | Float_t t0Spread[4]; | |
1370 | for (Int_t i=0;i<4;i++) t0Spread[i]=fCurrentEvent->GetT0spread(i); | |
1371 | AliInfo(Form(" TZERO spreads from data: (A+C)/2 %f A %f C %f (A'-C')/2: %f",t0Spread[0],t0Spread[1],t0Spread[2],t0Spread[3])); | |
1372 | Float_t a = t0Spread[1]*t0Spread[1]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3]; | |
1373 | Float_t c = t0Spread[2]*t0Spread[2]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3]; | |
1374 | if ( (t0Spread[0] > 50. && t0Spread[0] < 400.) && (a > 0.) && (c>0.)) { | |
1375 | fResT0AC=t0Spread[3]; | |
1376 | fResT0A=TMath::Sqrt(a); | |
1377 | fResT0C=TMath::Sqrt(c); | |
1378 | } else { | |
1379 | AliInfo(" TZERO spreads not present or inconsistent, loading default"); | |
1380 | fResT0A=75.; | |
1381 | fResT0C=65.; | |
1382 | fResT0AC=55.; | |
1383 | } | |
1384 | AliInfo(Form(" TZERO resolution set to: T0A: %f [ps] T0C: %f [ps] T0AC %f [ps]",fResT0A,fResT0C,fResT0AC)); | |
1385 | ||
b79db598 | 1386 | } |
1387 | ||
1388 | ||
1c9d11be | 1389 | //______________________________________________________________________________ |
bd58d4b9 | 1390 | Bool_t AliPIDResponse::IdentifiedAsElectronTRD(const AliVTrack *vtrack, Double_t efficiencyLevel,Double_t centrality,AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const { |
ea235c90 | 1391 | // |
1392 | // Check whether track is identified as electron under a given electron efficiency hypothesis | |
bd58d4b9 | 1393 | // |
1394 | ||
ea235c90 | 1395 | Double_t probs[AliPID::kSPECIES]; |
bd58d4b9 | 1396 | ComputeTRDProbability(vtrack, AliPID::kSPECIES, probs,PIDmethod); |
ea235c90 | 1397 | |
99e9d5ec | 1398 | Int_t ntracklets = vtrack->GetTRDntrackletsPID(); |
1399 | // Take mean of the TRD momenta in the given tracklets | |
1400 | Float_t p = 0, trdmomenta[AliVTrack::kTRDnPlanes]; | |
1401 | Int_t nmomenta = 0; | |
ea235c90 | 1402 | for(Int_t iPl=0;iPl<AliVTrack::kTRDnPlanes;iPl++){ |
1403 | if(vtrack->GetTRDmomentum(iPl) > 0.){ | |
99e9d5ec | 1404 | trdmomenta[nmomenta++] = vtrack->GetTRDmomentum(iPl); |
ea235c90 | 1405 | } |
1406 | } | |
99e9d5ec | 1407 | p = TMath::Mean(nmomenta, trdmomenta); |
ea235c90 | 1408 | |
bd58d4b9 | 1409 | return fTRDResponse.IdentifiedAsElectron(ntracklets, probs, p, efficiencyLevel,centrality,PIDmethod); |
ea235c90 | 1410 | } |
1411 | ||
b2138b40 | 1412 | //______________________________________________________________________________ |
1413 | void AliPIDResponse::SetEMCALPidResponseMaster() | |
1414 | { | |
1415 | // | |
1416 | // Load the EMCAL pid response functions from the OADB | |
1417 | // | |
1418 | TObjArray* fEMCALPIDParamsRun = NULL; | |
1419 | TObjArray* fEMCALPIDParamsPass = NULL; | |
1420 | ||
1421 | if(fEMCALPIDParams) return; | |
1422 | AliOADBContainer contParams("contParams"); | |
1423 | ||
1424 | Int_t statusPars = contParams.InitFromFile(Form("%s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()), "AliEMCALPIDParams"); | |
1425 | if(statusPars){ | |
1426 | AliError("Failed initializing PID Params from OADB"); | |
1427 | } | |
1428 | else { | |
1429 | AliInfo(Form("Loading EMCAL Params from %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data())); | |
1430 | ||
1431 | fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(fRun)); | |
1432 | if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",fRecoPass))); | |
1433 | if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles"))); | |
1434 | ||
1435 | if(!fEMCALPIDParams){ | |
f8d39067 | 1436 | AliInfo(Form("EMCAL Params not found in run %d pass %d", fRun, fRecoPass)); |
1f631618 | 1437 | AliInfo("Will take the standard LHC11d instead ..."); |
b2138b40 | 1438 | |
1f631618 | 1439 | fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(156477)); |
1440 | if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",1))); | |
b2138b40 | 1441 | if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles"))); |
1442 | ||
1443 | if(!fEMCALPIDParams){ | |
1f631618 | 1444 | AliError(Form("DEFAULT EMCAL Params (LHC11d) not found in file %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data())); |
b2138b40 | 1445 | } |
1446 | } | |
1447 | } | |
1448 | } | |
1449 | ||
1450 | //______________________________________________________________________________ | |
1451 | void AliPIDResponse::InitializeEMCALResponse(){ | |
1452 | // | |
1453 | // Set PID Params to the EMCAL PID response | |
1454 | // | |
1455 | fEMCALResponse.SetPIDParams(fEMCALPIDParams); | |
1456 | ||
1457 | } | |
00a38d07 | 1458 | |
1c9d11be | 1459 | //______________________________________________________________________________ |
1460 | void AliPIDResponse::FillTrackDetectorPID(const AliVTrack *track, EDetector detector) const | |
00a38d07 | 1461 | { |
1462 | // | |
1463 | // create detector PID information and setup the transient pointer in the track | |
1464 | // | |
1c9d11be | 1465 | |
1466 | // check if detector number is inside accepted range | |
1467 | if (detector == kNdetectors) return; | |
1468 | ||
1469 | // get detector pid | |
1470 | AliDetectorPID *detPID=const_cast<AliDetectorPID*>(track->GetDetectorPID()); | |
1471 | if (!detPID) { | |
1472 | detPID=new AliDetectorPID; | |
1473 | (const_cast<AliVTrack*>(track))->SetDetectorPID(detPID); | |
1474 | } | |
1475 | ||
1476 | //check if values exist | |
1477 | if (detPID->HasRawProbabilitiy(detector) && detPID->HasNumberOfSigmas(detector)) return; | |
00a38d07 | 1478 | |
1479 | //TODO: which particles to include? See also the loops below... | |
1480 | Double_t values[AliPID::kSPECIESC]={0}; | |
1c9d11be | 1481 | |
1482 | //nsigmas | |
1483 | for (Int_t ipart=0; ipart<AliPID::kSPECIESC; ++ipart) | |
1484 | values[ipart]=GetNumberOfSigmas(detector,track,(AliPID::EParticleType)ipart); | |
1485 | detPID->SetNumberOfSigmas(detector, values, (Int_t)AliPID::kSPECIESC); | |
1486 | ||
1487 | //probabilities | |
1488 | EDetPidStatus status=GetComputePIDProbability(detector,track,AliPID::kSPECIESC,values); | |
1489 | detPID->SetRawProbability(detector, values, (Int_t)AliPID::kSPECIESC, status); | |
1490 | } | |
1491 | ||
1492 | //______________________________________________________________________________ | |
1493 | void AliPIDResponse::FillTrackDetectorPID() | |
1494 | { | |
1495 | // | |
1496 | // create detector PID information and setup the transient pointer in the track | |
1497 | // | |
1498 | ||
1499 | if (!fCurrentEvent) return; | |
00a38d07 | 1500 | |
1501 | for (Int_t itrack=0; itrack<fCurrentEvent->GetNumberOfTracks(); ++itrack){ | |
1502 | AliVTrack *track=dynamic_cast<AliVTrack*>(fCurrentEvent->GetTrack(itrack)); | |
1503 | if (!track) continue; | |
1504 | ||
00a38d07 | 1505 | for (Int_t idet=0; idet<kNdetectors; ++idet){ |
1c9d11be | 1506 | FillTrackDetectorPID(track, (EDetector)idet); |
00a38d07 | 1507 | } |
00a38d07 | 1508 | } |
1509 | } | |
1510 | ||
1c9d11be | 1511 | //______________________________________________________________________________ |
5f8db5fe | 1512 | void AliPIDResponse::SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option){ |
1513 | // | |
1514 | // Set TOF response function | |
1515 | // Input option for event_time used | |
1516 | // | |
1517 | ||
1518 | Float_t t0spread = 0.; //vevent->GetEventTimeSpread(); | |
1519 | if(t0spread < 10) t0spread = 80; | |
1520 | ||
1521 | // T0 from TOF algorithm | |
1522 | ||
1523 | Bool_t flagT0TOF=kFALSE; | |
1524 | Bool_t flagT0T0=kFALSE; | |
1525 | Float_t *startTime = new Float_t[fTOFResponse.GetNmomBins()]; | |
1526 | Float_t *startTimeRes = new Float_t[fTOFResponse.GetNmomBins()]; | |
1527 | Int_t *startTimeMask = new Int_t[fTOFResponse.GetNmomBins()]; | |
1528 | ||
1529 | // T0-TOF arrays | |
1530 | Float_t *estimatedT0event = new Float_t[fTOFResponse.GetNmomBins()]; | |
1531 | Float_t *estimatedT0resolution = new Float_t[fTOFResponse.GetNmomBins()]; | |
1532 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1533 | estimatedT0event[i]=0.0; | |
1534 | estimatedT0resolution[i]=0.0; | |
1535 | startTimeMask[i] = 0; | |
1536 | } | |
1537 | ||
78cbd205 | 1538 | Float_t resT0A=fResT0A; |
1539 | Float_t resT0C=fResT0C; | |
1540 | Float_t resT0AC=fResT0AC; | |
5f8db5fe | 1541 | if(vevent->GetT0TOF()){ // check if T0 detector information is available |
1542 | flagT0T0=kTRUE; | |
1543 | } | |
1544 | ||
1545 | ||
1546 | AliTOFHeader *tofHeader = (AliTOFHeader*)vevent->GetTOFHeader(); | |
1547 | ||
1548 | if (tofHeader) { // read global info and T0-TOF | |
1549 | fTOFResponse.SetTimeResolution(tofHeader->GetTOFResolution()); | |
1550 | t0spread = tofHeader->GetT0spread(); // read t0 sprad | |
1551 | if(t0spread < 10) t0spread = 80; | |
1552 | ||
1553 | flagT0TOF=kTRUE; | |
1554 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ // read T0-TOF default value | |
1555 | startTime[i]=tofHeader->GetDefaultEventTimeVal(); | |
1556 | startTimeRes[i]=tofHeader->GetDefaultEventTimeRes(); | |
1557 | if(startTimeRes[i] < 1.e-5) startTimeRes[i] = t0spread; | |
1558 | } | |
1559 | ||
1560 | TArrayI *ibin=(TArrayI*)tofHeader->GetNvalues(); | |
1561 | TArrayF *t0Bin=(TArrayF*)tofHeader->GetEventTimeValues(); | |
1562 | TArrayF *t0ResBin=(TArrayF*)tofHeader->GetEventTimeRes(); | |
1563 | for(Int_t j=0;j < tofHeader->GetNbins();j++){ // fill T0-TOF in p-bins | |
1564 | Int_t icurrent = (Int_t)ibin->GetAt(j); | |
1565 | startTime[icurrent]=t0Bin->GetAt(j); | |
1566 | startTimeRes[icurrent]=t0ResBin->GetAt(j); | |
1567 | if(startTimeRes[icurrent] < 1.e-5) startTimeRes[icurrent] = t0spread; | |
1568 | } | |
1569 | } | |
1570 | ||
1571 | // for cut of 3 sigma on t0 spread | |
1572 | Float_t t0cut = 3 * t0spread; | |
1573 | if(t0cut < 500) t0cut = 500; | |
1574 | ||
1575 | if(option == kFILL_T0){ // T0-FILL is used | |
1576 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1577 | estimatedT0event[i]=0.0; | |
1578 | estimatedT0resolution[i]=t0spread; | |
1579 | } | |
1580 | fTOFResponse.SetT0event(estimatedT0event); | |
1581 | fTOFResponse.SetT0resolution(estimatedT0resolution); | |
1582 | } | |
1583 | ||
1584 | if(option == kTOF_T0){ // T0-TOF is used when available (T0-FILL otherwise) from ESD | |
1585 | if(flagT0TOF){ | |
1586 | fTOFResponse.SetT0event(startTime); | |
1587 | fTOFResponse.SetT0resolution(startTimeRes); | |
1588 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1589 | if(startTimeRes[i]<t0spread) startTimeMask[i]=1; | |
1590 | fTOFResponse.SetT0binMask(i,startTimeMask[i]); | |
1591 | } | |
1592 | } | |
1593 | else{ | |
1594 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1595 | estimatedT0event[i]=0.0; | |
1596 | estimatedT0resolution[i]=t0spread; | |
1597 | fTOFResponse.SetT0binMask(i,startTimeMask[i]); | |
1598 | } | |
1599 | fTOFResponse.SetT0event(estimatedT0event); | |
1600 | fTOFResponse.SetT0resolution(estimatedT0resolution); | |
1601 | } | |
1602 | } | |
1603 | else if(option == kBest_T0){ // T0-T0 or T0-TOF are used when available (T0-FILL otherwise) from ESD | |
1604 | Float_t t0AC=-10000; | |
1605 | Float_t t0A=-10000; | |
1606 | Float_t t0C=-10000; | |
1607 | if(flagT0T0){ | |
5f8db5fe | 1608 | t0A= vevent->GetT0TOF()[1]; |
1609 | t0C= vevent->GetT0TOF()[2]; | |
f84b18dd | 1610 | // t0AC= vevent->GetT0TOF()[0]; |
1611 | t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C; | |
1612 | resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C); | |
1613 | t0AC /= resT0AC*resT0AC; | |
5f8db5fe | 1614 | } |
1615 | ||
1616 | Float_t t0t0Best = 0; | |
1617 | Float_t t0t0BestRes = 9999; | |
1618 | Int_t t0used=0; | |
1619 | if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){ | |
1620 | t0t0Best = t0AC; | |
1621 | t0t0BestRes = resT0AC; | |
1622 | t0used=6; | |
1623 | } | |
1624 | else if(TMath::Abs(t0C) < t0cut){ | |
1625 | t0t0Best = t0C; | |
1626 | t0t0BestRes = resT0C; | |
1627 | t0used=4; | |
1628 | } | |
1629 | else if(TMath::Abs(t0A) < t0cut){ | |
1630 | t0t0Best = t0A; | |
1631 | t0t0BestRes = resT0A; | |
1632 | t0used=2; | |
1633 | } | |
1634 | ||
1635 | if(flagT0TOF){ // if T0-TOF info is available | |
1636 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1637 | if(t0t0BestRes < 999){ | |
1638 | if(startTimeRes[i] < t0spread){ | |
1639 | Double_t wtot = 1./startTimeRes[i]/startTimeRes[i] + 1./t0t0BestRes/t0t0BestRes; | |
1640 | Double_t t0best = startTime[i]/startTimeRes[i]/startTimeRes[i] + t0t0Best/t0t0BestRes/t0t0BestRes; | |
1641 | estimatedT0event[i]=t0best / wtot; | |
1642 | estimatedT0resolution[i]=1./TMath::Sqrt(wtot); | |
1643 | startTimeMask[i] = t0used+1; | |
1644 | } | |
1645 | else { | |
1646 | estimatedT0event[i]=t0t0Best; | |
1647 | estimatedT0resolution[i]=t0t0BestRes; | |
1648 | startTimeMask[i] = t0used; | |
1649 | } | |
1650 | } | |
1651 | else{ | |
1652 | estimatedT0event[i]=startTime[i]; | |
1653 | estimatedT0resolution[i]=startTimeRes[i]; | |
1654 | if(startTimeRes[i]<t0spread) startTimeMask[i]=1; | |
1655 | } | |
1656 | fTOFResponse.SetT0binMask(i,startTimeMask[i]); | |
1657 | } | |
1658 | fTOFResponse.SetT0event(estimatedT0event); | |
1659 | fTOFResponse.SetT0resolution(estimatedT0resolution); | |
1660 | } | |
1661 | else{ // if no T0-TOF info is available | |
1662 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1663 | fTOFResponse.SetT0binMask(i,t0used); | |
1664 | if(t0t0BestRes < 999){ | |
1665 | estimatedT0event[i]=t0t0Best; | |
1666 | estimatedT0resolution[i]=t0t0BestRes; | |
1667 | } | |
1668 | else{ | |
1669 | estimatedT0event[i]=0.0; | |
1670 | estimatedT0resolution[i]=t0spread; | |
1671 | } | |
1672 | } | |
1673 | fTOFResponse.SetT0event(estimatedT0event); | |
1674 | fTOFResponse.SetT0resolution(estimatedT0resolution); | |
1675 | } | |
1676 | } | |
1677 | ||
1678 | else if(option == kT0_T0){ // T0-T0 is used when available (T0-FILL otherwise) | |
1679 | Float_t t0AC=-10000; | |
1680 | Float_t t0A=-10000; | |
1681 | Float_t t0C=-10000; | |
1682 | if(flagT0T0){ | |
5f8db5fe | 1683 | t0A= vevent->GetT0TOF()[1]; |
1684 | t0C= vevent->GetT0TOF()[2]; | |
f84b18dd | 1685 | // t0AC= vevent->GetT0TOF()[0]; |
1686 | t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C; | |
1687 | resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C); | |
1688 | t0AC /= resT0AC*resT0AC; | |
5f8db5fe | 1689 | } |
1690 | ||
1691 | if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){ | |
1692 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1693 | estimatedT0event[i]=t0AC; | |
1694 | estimatedT0resolution[i]=resT0AC; | |
1695 | fTOFResponse.SetT0binMask(i,6); | |
1696 | } | |
1697 | } | |
1698 | else if(TMath::Abs(t0C) < t0cut){ | |
1699 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1700 | estimatedT0event[i]=t0C; | |
1701 | estimatedT0resolution[i]=resT0C; | |
1702 | fTOFResponse.SetT0binMask(i,4); | |
1703 | } | |
1704 | } | |
1705 | else if(TMath::Abs(t0A) < t0cut){ | |
1706 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1707 | estimatedT0event[i]=t0A; | |
1708 | estimatedT0resolution[i]=resT0A; | |
1709 | fTOFResponse.SetT0binMask(i,2); | |
1710 | } | |
1711 | } | |
1712 | else{ | |
1713 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1714 | estimatedT0event[i]=0.0; | |
1715 | estimatedT0resolution[i]=t0spread; | |
1716 | fTOFResponse.SetT0binMask(i,0); | |
1717 | } | |
1718 | } | |
1719 | fTOFResponse.SetT0event(estimatedT0event); | |
1720 | fTOFResponse.SetT0resolution(estimatedT0resolution); | |
1721 | } | |
1722 | delete [] startTime; | |
1723 | delete [] startTimeRes; | |
1724 | delete [] startTimeMask; | |
1725 | delete [] estimatedT0event; | |
1726 | delete [] estimatedT0resolution; | |
1727 | } | |
1c9d11be | 1728 | |
1729 | //______________________________________________________________________________ | |
1730 | // private non cached versions of the PID calculation | |
1731 | // | |
1732 | ||
1733 | ||
1734 | //______________________________________________________________________________ | |
1735 | Float_t AliPIDResponse::GetNumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const | |
1736 | { | |
1737 | // | |
1738 | // NumberOfSigmas for 'detCode' | |
1739 | // | |
1740 | ||
1741 | switch (detCode){ | |
1742 | case kITS: return GetNumberOfSigmasITS(track, type); break; | |
1743 | case kTPC: return GetNumberOfSigmasTPC(track, type); break; | |
1744 | case kTOF: return GetNumberOfSigmasTOF(track, type); break; | |
1745 | case kEMCAL: return GetNumberOfSigmasEMCAL(track, type); break; | |
1746 | default: return -999.; | |
1747 | } | |
1748 | ||
1749 | } | |
1750 | ||
1751 | ||
1752 | ||
1753 | //______________________________________________________________________________ | |
1754 | Float_t AliPIDResponse::GetNumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
1755 | { | |
1756 | // | |
1757 | // Calculate the number of sigmas in the ITS | |
1758 | // | |
1759 | ||
1760 | AliVTrack *track=(AliVTrack*)vtrack; | |
1761 | ||
1762 | Float_t dEdx=track->GetITSsignal(); | |
1763 | if (dEdx<=0) return -999.; | |
1764 | ||
1765 | UChar_t clumap=track->GetITSClusterMap(); | |
1766 | Int_t nPointsForPid=0; | |
1767 | for(Int_t i=2; i<6; i++){ | |
1768 | if(clumap&(1<<i)) ++nPointsForPid; | |
1769 | } | |
1770 | Float_t mom=track->P(); | |
1771 | ||
1772 | //check for ITS standalone tracks | |
1773 | Bool_t isSA=kTRUE; | |
1774 | if( track->GetStatus() & AliVTrack::kTPCin ) isSA=kFALSE; | |
1775 | ||
1776 | //TODO: in case of the electron, use the SA parametrisation, | |
1777 | // this needs to be changed if ITS provides a parametrisation | |
1778 | // for electrons also for ITS+TPC tracks | |
1779 | return fITSResponse.GetNumberOfSigmas(mom,dEdx,type,nPointsForPid,isSA || (type==AliPID::kElectron)); | |
1780 | } | |
1781 | ||
1782 | //______________________________________________________________________________ | |
1783 | Float_t AliPIDResponse::GetNumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
1784 | { | |
1785 | // | |
1786 | // Calculate the number of sigmas in the TPC | |
1787 | // | |
1788 | ||
1789 | AliVTrack *track=(AliVTrack*)vtrack; | |
1790 | ||
1c9d11be | 1791 | Double_t nSigma = -999.; |
f84b18dd | 1792 | |
f85a3764 | 1793 | if (fTuneMConData) |
1794 | this->GetTPCsignalTunedOnData(track); | |
f84b18dd | 1795 | |
f85a3764 | 1796 | nSigma = fTPCResponse.GetNumberOfSigmas(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection); |
1c9d11be | 1797 | |
1798 | return nSigma; | |
1799 | } | |
1800 | ||
1801 | //______________________________________________________________________________ | |
1802 | Float_t AliPIDResponse::GetNumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
1803 | { | |
1804 | // | |
1805 | // Calculate the number of sigmas in the EMCAL | |
1806 | // | |
1807 | ||
1808 | AliVTrack *track=(AliVTrack*)vtrack; | |
1809 | ||
1810 | AliVCluster *matchedClus = NULL; | |
1811 | ||
1812 | Double_t mom = -1.; | |
1813 | Double_t pt = -1.; | |
1814 | Double_t EovP = -1.; | |
1815 | Double_t fClsE = -1.; | |
1816 | ||
1817 | Int_t nMatchClus = -1; | |
1818 | Int_t charge = 0; | |
1819 | ||
1820 | // Track matching | |
1821 | nMatchClus = track->GetEMCALcluster(); | |
1822 | if(nMatchClus > -1){ | |
1823 | ||
1824 | mom = track->P(); | |
1825 | pt = track->Pt(); | |
1826 | charge = track->Charge(); | |
1827 | ||
1828 | matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus); | |
1829 | ||
1830 | if(matchedClus){ | |
1831 | ||
1832 | // matched cluster is EMCAL | |
1833 | if(matchedClus->IsEMCAL()){ | |
1834 | ||
1835 | fClsE = matchedClus->E(); | |
1836 | EovP = fClsE/mom; | |
1837 | ||
1838 | ||
1839 | // NSigma value really meaningful only for electrons! | |
1840 | return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge); | |
1841 | } | |
1842 | } | |
1843 | } | |
1844 | ||
1845 | return -999; | |
1846 | ||
1847 | } | |
1848 | ||
1849 | ||
1850 | //______________________________________________________________________________ | |
1851 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
1852 | { | |
1853 | // | |
1854 | // Compute PID response of 'detCode' | |
1855 | // | |
1856 | ||
1857 | switch (detCode){ | |
1858 | case kITS: return GetComputeITSProbability(track, nSpecies, p); break; | |
1859 | case kTPC: return GetComputeTPCProbability(track, nSpecies, p); break; | |
1860 | case kTRD: return GetComputeTRDProbability(track, nSpecies, p); break; | |
1861 | case kTOF: return GetComputeTOFProbability(track, nSpecies, p); break; | |
1862 | case kPHOS: return GetComputePHOSProbability(track, nSpecies, p); break; | |
1863 | case kEMCAL: return GetComputeEMCALProbability(track, nSpecies, p); break; | |
1864 | case kHMPID: return GetComputeHMPIDProbability(track, nSpecies, p); break; | |
1865 | default: return kDetNoSignal; | |
1866 | } | |
1867 | } | |
1868 | ||
1869 | //______________________________________________________________________________ | |
1870 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
1871 | { | |
1872 | // | |
1873 | // Compute PID response for the ITS | |
1874 | // | |
1875 | ||
1876 | // look for cached value first | |
1877 | // only the non SA tracks are cached | |
1878 | if (track->GetDetectorPID()){ | |
1879 | return track->GetDetectorPID()->GetRawProbability(kITS, p, nSpecies); | |
1880 | } | |
1881 | ||
1882 | // set flat distribution (no decision) | |
1883 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
1884 | ||
1885 | if ((track->GetStatus()&AliVTrack::kITSin)==0 && | |
1886 | (track->GetStatus()&AliVTrack::kITSout)==0) return kDetNoSignal; | |
1887 | ||
1888 | //check for ITS standalone tracks | |
1889 | Bool_t isSA=kTRUE; | |
1890 | if( track->GetStatus() & AliVTrack::kTPCin ) isSA=kFALSE; | |
1891 | ||
1892 | Double_t mom=track->P(); | |
1893 | Double_t dedx=track->GetITSsignal(); | |
1894 | Double_t momITS=mom; | |
1895 | UChar_t clumap=track->GetITSClusterMap(); | |
1896 | Int_t nPointsForPid=0; | |
1897 | for(Int_t i=2; i<6; i++){ | |
1898 | if(clumap&(1<<i)) ++nPointsForPid; | |
1899 | } | |
1900 | ||
1901 | if(nPointsForPid<3) { // track not to be used for combined PID purposes | |
1902 | // track->ResetStatus(AliVTrack::kITSpid); | |
1903 | return kDetNoSignal; | |
1904 | } | |
1905 | ||
1906 | Bool_t mismatch=kTRUE/*, heavy=kTRUE*/; | |
1907 | for (Int_t j=0; j<AliPID::kSPECIES; j++) { | |
1908 | Double_t mass=AliPID::ParticleMassZ(j);//GeV/c^2 | |
1909 | const Double_t chargeFactor = TMath::Power(AliPID::ParticleCharge(j),2.); | |
1910 | Double_t bethe=fITSResponse.Bethe(momITS,mass)*chargeFactor; | |
1911 | //TODO: in case of the electron, use the SA parametrisation, | |
1912 | // this needs to be changed if ITS provides a parametrisation | |
1913 | // for electrons also for ITS+TPC tracks | |
1914 | Double_t sigma=fITSResponse.GetResolution(bethe,nPointsForPid,isSA || (j==(Int_t)AliPID::kElectron)); | |
1915 | if (TMath::Abs(dedx-bethe) > fRange*sigma) { | |
1916 | p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma; | |
1917 | } else { | |
1918 | p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma; | |
1919 | mismatch=kFALSE; | |
1920 | } | |
1921 | ||
1922 | // Check for particles heavier than (AliPID::kSPECIES - 1) | |
1923 | // if (dedx < (bethe + fRange*sigma)) heavy=kFALSE; | |
1924 | ||
1925 | } | |
1926 | ||
1927 | if (mismatch){ | |
1928 | for (Int_t j=0; j<AliPID::kSPECIES; j++) p[j]=1./AliPID::kSPECIES; | |
1929 | return kDetNoSignal; | |
1930 | } | |
1931 | ||
1932 | ||
1933 | return kDetPidOk; | |
1934 | } | |
1935 | //______________________________________________________________________________ | |
1936 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
1937 | { | |
1938 | // | |
1939 | // Compute PID response for the TPC | |
1940 | // | |
1941 | ||
1942 | // set flat distribution (no decision) | |
1943 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
1944 | ||
1945 | // check quality of the track | |
1946 | if ( (track->GetStatus()&AliVTrack::kTPCin )==0 && (track->GetStatus()&AliVTrack::kTPCout)==0 ) return kDetNoSignal; | |
1947 | ||
1c9d11be | 1948 | Double_t dedx=track->GetTPCsignal(); |
1949 | Bool_t mismatch=kTRUE/*, heavy=kTRUE*/; | |
1950 | ||
1951 | if(fTuneMConData) dedx = this->GetTPCsignalTunedOnData(track); | |
1952 | ||
f84b18dd | 1953 | Double_t bethe = 0.; |
1954 | Double_t sigma = 0.; | |
1955 | ||
1c9d11be | 1956 | for (Int_t j=0; j<AliPID::kSPECIESC; j++) { |
1957 | AliPID::EParticleType type=AliPID::EParticleType(j); | |
f84b18dd | 1958 | |
f85a3764 | 1959 | bethe=fTPCResponse.GetExpectedSignal(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection); |
1960 | sigma=fTPCResponse.GetExpectedSigma(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection); | |
1961 | ||
1c9d11be | 1962 | if (TMath::Abs(dedx-bethe) > fRange*sigma) { |
1963 | p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma; | |
1964 | } else { | |
1965 | p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma; | |
1966 | mismatch=kFALSE; | |
1967 | } | |
1968 | } | |
1969 | ||
1970 | if (mismatch){ | |
1971 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
1972 | return kDetNoSignal; | |
1973 | } | |
1974 | ||
1975 | return kDetPidOk; | |
1976 | } | |
1977 | //______________________________________________________________________________ | |
1978 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
1979 | { | |
1980 | // | |
57e985ed | 1981 | // Compute PID probabilities for TOF |
1c9d11be | 1982 | // |
1983 | ||
1984 | Double_t meanCorrFactor = 0.11/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1) | |
1985 | ||
1986 | // set flat distribution (no decision) | |
1987 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
1988 | ||
1989 | if ((track->GetStatus()&AliVTrack::kTOFout)==0) return kDetNoSignal; | |
1990 | if ((track->GetStatus()&AliVTrack::kTIME)==0) return kDetNoSignal; | |
1991 | ||
1992 | Bool_t mismatch = kTRUE/*, heavy = kTRUE*/; | |
1993 | for (Int_t j=0; j<AliPID::kSPECIESC; j++) { | |
1994 | AliPID::EParticleType type=AliPID::EParticleType(j); | |
1995 | Double_t nsigmas=GetNumberOfSigmasTOF(track,type) + meanCorrFactor; | |
1996 | ||
1997 | Double_t expTime = fTOFResponse.GetExpectedSignal(track,type); | |
1998 | Double_t sig = fTOFResponse.GetExpectedSigma(track->P(),expTime,AliPID::ParticleMassZ(type)); | |
1999 | if (TMath::Abs(nsigmas) > (fRange+2)) { | |
2000 | if(nsigmas < fTOFtail) | |
2001 | p[j] = TMath::Exp(-0.5*(fRange+2)*(fRange+2))/sig; | |
2002 | else | |
2003 | p[j] = TMath::Exp(-(fRange+2 - fTOFtail*0.5)*fTOFtail)/sig; | |
2004 | } else{ | |
2005 | if(nsigmas < fTOFtail) | |
2006 | p[j] = TMath::Exp(-0.5*nsigmas*nsigmas)/sig; | |
2007 | else | |
2008 | p[j] = TMath::Exp(-(nsigmas - fTOFtail*0.5)*fTOFtail)/sig; | |
2009 | } | |
2010 | ||
2011 | if (TMath::Abs(nsigmas)<5.){ | |
2012 | Double_t nsigmasTPC=GetNumberOfSigmasTPC(track,type); | |
57e985ed | 2013 | if (TMath::Abs(nsigmasTPC)>998) mismatch=kFALSE; // if TPC not available we can't check mismatch |
1c9d11be | 2014 | if (TMath::Abs(nsigmasTPC)<5.) mismatch=kFALSE; |
2015 | } | |
2016 | } | |
2017 | ||
2018 | if (mismatch){ | |
2019 | return kDetMismatch; | |
2020 | } | |
2021 | ||
2022 | // TODO: Light nuclei | |
2023 | ||
2024 | return kDetPidOk; | |
2025 | } | |
2026 | //______________________________________________________________________________ | |
2027 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod/*=AliTRDPIDResponse::kLQ1D*/) const | |
2028 | { | |
2029 | // | |
2030 | // Compute PID response for the | |
2031 | // | |
2032 | ||
2033 | UInt_t TRDslicesForPID[2]; | |
2034 | SetTRDSlices(TRDslicesForPID,PIDmethod); | |
2035 | // set flat distribution (no decision) | |
2036 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
2037 | if((track->GetStatus()&AliVTrack::kTRDout)==0) return kDetNoSignal; | |
2038 | ||
2039 | Float_t mom[6]={0.}; | |
2040 | Double_t dedx[48]={0.}; // Allocate space for the maximum number of TRD slices | |
2041 | Int_t nslices = TRDslicesForPID[1] - TRDslicesForPID[0] + 1; | |
2042 | AliDebug(1, Form("First Slice: %d, Last Slice: %d, Number of slices: %d", TRDslicesForPID[0], TRDslicesForPID[1], nslices)); | |
2043 | for(UInt_t ilayer = 0; ilayer < 6; ilayer++){ | |
2044 | mom[ilayer] = track->GetTRDmomentum(ilayer); | |
2045 | for(UInt_t islice = TRDslicesForPID[0]; islice <= TRDslicesForPID[1]; islice++){ | |
2046 | dedx[ilayer*nslices+islice-TRDslicesForPID[0]] = track->GetTRDslice(ilayer, islice); | |
2047 | } | |
2048 | } | |
2049 | fTRDResponse.GetResponse(nslices, dedx, mom, p,PIDmethod); | |
2050 | return kDetPidOk; | |
2051 | ||
2052 | } | |
2053 | //______________________________________________________________________________ | |
2054 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
2055 | { | |
2056 | // | |
2057 | // Compute PID response for the EMCAL | |
2058 | // | |
2059 | ||
2060 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
2061 | ||
2062 | AliVCluster *matchedClus = NULL; | |
2063 | ||
2064 | Double_t mom = -1.; | |
2065 | Double_t pt = -1.; | |
2066 | Double_t EovP = -1.; | |
2067 | Double_t fClsE = -1.; | |
2068 | ||
2069 | Int_t nMatchClus = -1; | |
2070 | Int_t charge = 0; | |
2071 | ||
2072 | // Track matching | |
2073 | nMatchClus = track->GetEMCALcluster(); | |
2074 | ||
2075 | if(nMatchClus > -1){ | |
2076 | ||
2077 | mom = track->P(); | |
2078 | pt = track->Pt(); | |
2079 | charge = track->Charge(); | |
2080 | ||
2081 | matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus); | |
2082 | ||
2083 | if(matchedClus){ | |
2084 | ||
2085 | // matched cluster is EMCAL | |
2086 | if(matchedClus->IsEMCAL()){ | |
2087 | ||
2088 | fClsE = matchedClus->E(); | |
2089 | EovP = fClsE/mom; | |
2090 | ||
2091 | ||
2092 | // compute the probabilities | |
2093 | if(fEMCALResponse.ComputeEMCALProbability(nSpecies,pt,EovP,charge,p)){ | |
2094 | ||
2095 | // in case everything is OK | |
2096 | return kDetPidOk; | |
2097 | } | |
2098 | } | |
2099 | } | |
2100 | } | |
2101 | ||
2102 | // in all other cases set flat distribution (no decision) | |
2103 | for (Int_t j=0; j<nSpecies; j++) p[j] = 1./nSpecies; | |
2104 | return kDetNoSignal; | |
2105 | ||
2106 | } | |
2107 | //______________________________________________________________________________ | |
2108 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const | |
2109 | { | |
2110 | // | |
2111 | // Compute PID response for the PHOS | |
2112 | // | |
2113 | ||
2114 | // set flat distribution (no decision) | |
2115 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
2116 | return kDetNoSignal; | |
2117 | } | |
2118 | //______________________________________________________________________________ | |
2119 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
2120 | { | |
2121 | // | |
2122 | // Compute PID response for the HMPID | |
2123 | // | |
2124 | // set flat distribution (no decision) | |
2125 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
2126 | if((track->GetStatus()&AliVTrack::kHMPIDpid)==0) return kDetNoSignal; | |
2127 | ||
2128 | track->GetHMPIDpid(p); | |
2129 | ||
2130 | return kDetPidOk; | |
2131 | } |