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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> |
567624b5 | 44 | #include <AliHMPIDPIDParams.h> |
29bf19f2 | 45 | |
46 | #include "AliPIDResponse.h" | |
00a38d07 | 47 | #include "AliDetectorPID.h" |
29bf19f2 | 48 | |
80f28562 | 49 | #include "AliCentrality.h" |
50 | ||
29bf19f2 | 51 | ClassImp(AliPIDResponse); |
52 | ||
4ec8e76d | 53 | AliPIDResponse::AliPIDResponse(Bool_t isMC/*=kFALSE*/) : |
54 | TNamed("PIDResponse","PIDResponse"), | |
55 | fITSResponse(isMC), | |
56 | fTPCResponse(), | |
57 | fTRDResponse(), | |
58 | fTOFResponse(), | |
567624b5 | 59 | fHMPIDResponse(), |
e96b9916 | 60 | fEMCALResponse(), |
fd21ec8d | 61 | fRange(5.), |
62 | fITSPIDmethod(kITSTruncMean), | |
1ceae0ac | 63 | fTuneMConData(kFALSE), |
64 | fTuneMConDataMask(kDetTOF|kDetTPC), | |
4ec8e76d | 65 | fIsMC(isMC), |
1c9d11be | 66 | fCachePID(kTRUE), |
4ec8e76d | 67 | fOADBPath(), |
00a38d07 | 68 | fCustomTPCpidResponse(), |
4ec8e76d | 69 | fBeamType("PP"), |
70 | fLHCperiod(), | |
71 | fMCperiodTPC(), | |
fd21ec8d | 72 | fMCperiodUser(), |
ea235c90 | 73 | fCurrentFile(), |
87da0205 | 74 | fCurrentAliRootRev(-1), |
4ec8e76d | 75 | fRecoPass(0), |
fd21ec8d | 76 | fRecoPassUser(-1), |
1ceae0ac | 77 | fRun(-1), |
1b9e31a6 | 78 | fOldRun(-1), |
78cbd205 | 79 | fResT0A(75.), |
80 | fResT0C(65.), | |
81 | fResT0AC(55.), | |
644666df | 82 | fArrPidResponseMaster(NULL), |
83 | fResolutionCorrection(NULL), | |
84 | fOADBvoltageMaps(NULL), | |
87da0205 | 85 | fUseTPCEtaCorrection(kFALSE), |
86 | fUseTPCMultiplicityCorrection(kFALSE), | |
644666df | 87 | fTRDPIDResponseObject(NULL), |
c5fb644a | 88 | fTOFtail(0.9), |
644666df | 89 | fTOFPIDParams(NULL), |
567624b5 | 90 | fHMPIDPIDParams(NULL), |
644666df | 91 | fEMCALPIDParams(NULL), |
92 | fCurrentEvent(NULL), | |
1ceae0ac | 93 | fCurrCentrality(0.0) |
4ec8e76d | 94 | { |
95 | // | |
96 | // default ctor | |
97 | // | |
a635821f | 98 | AliLog::SetClassDebugLevel("AliPIDResponse",0); |
99 | AliLog::SetClassDebugLevel("AliESDpid",0); | |
100 | AliLog::SetClassDebugLevel("AliAODpidUtil",0); | |
ea235c90 | 101 | |
4ec8e76d | 102 | } |
103 | ||
104 | //______________________________________________________________________________ | |
105 | AliPIDResponse::~AliPIDResponse() | |
106 | { | |
107 | // | |
108 | // dtor | |
109 | // | |
00a38d07 | 110 | delete fArrPidResponseMaster; |
111 | delete fTRDPIDResponseObject; | |
112 | delete fTOFPIDParams; | |
4ec8e76d | 113 | } |
114 | ||
115 | //______________________________________________________________________________ | |
116 | AliPIDResponse::AliPIDResponse(const AliPIDResponse &other) : | |
117 | TNamed(other), | |
118 | fITSResponse(other.fITSResponse), | |
119 | fTPCResponse(other.fTPCResponse), | |
120 | fTRDResponse(other.fTRDResponse), | |
121 | fTOFResponse(other.fTOFResponse), | |
567624b5 | 122 | fHMPIDResponse(other.fHMPIDResponse), |
e96b9916 | 123 | fEMCALResponse(other.fEMCALResponse), |
fd21ec8d | 124 | fRange(other.fRange), |
125 | fITSPIDmethod(other.fITSPIDmethod), | |
1ceae0ac | 126 | fTuneMConData(other.fTuneMConData), |
127 | fTuneMConDataMask(other.fTuneMConDataMask), | |
4ec8e76d | 128 | fIsMC(other.fIsMC), |
1c9d11be | 129 | fCachePID(other.fCachePID), |
4ec8e76d | 130 | fOADBPath(other.fOADBPath), |
00a38d07 | 131 | fCustomTPCpidResponse(other.fCustomTPCpidResponse), |
4ec8e76d | 132 | fBeamType("PP"), |
133 | fLHCperiod(), | |
134 | fMCperiodTPC(), | |
fd21ec8d | 135 | fMCperiodUser(other.fMCperiodUser), |
ea235c90 | 136 | fCurrentFile(), |
87da0205 | 137 | fCurrentAliRootRev(other.fCurrentAliRootRev), |
4ec8e76d | 138 | fRecoPass(0), |
fd21ec8d | 139 | fRecoPassUser(other.fRecoPassUser), |
1ceae0ac | 140 | fRun(-1), |
1b9e31a6 | 141 | fOldRun(-1), |
78cbd205 | 142 | fResT0A(75.), |
143 | fResT0C(65.), | |
144 | fResT0AC(55.), | |
644666df | 145 | fArrPidResponseMaster(NULL), |
146 | fResolutionCorrection(NULL), | |
147 | fOADBvoltageMaps(NULL), | |
f84b18dd | 148 | fUseTPCEtaCorrection(other.fUseTPCEtaCorrection), |
87da0205 | 149 | fUseTPCMultiplicityCorrection(other.fUseTPCMultiplicityCorrection), |
644666df | 150 | fTRDPIDResponseObject(NULL), |
c5fb644a | 151 | fTOFtail(0.9), |
644666df | 152 | fTOFPIDParams(NULL), |
567624b5 | 153 | fHMPIDPIDParams(NULL), |
644666df | 154 | fEMCALPIDParams(NULL), |
155 | fCurrentEvent(NULL), | |
1ceae0ac | 156 | fCurrCentrality(0.0) |
4ec8e76d | 157 | { |
158 | // | |
159 | // copy ctor | |
160 | // | |
161 | } | |
162 | ||
163 | //______________________________________________________________________________ | |
164 | AliPIDResponse& AliPIDResponse::operator=(const AliPIDResponse &other) | |
165 | { | |
166 | // | |
167 | // copy ctor | |
168 | // | |
169 | if(this!=&other) { | |
170 | delete fArrPidResponseMaster; | |
171 | TNamed::operator=(other); | |
172 | fITSResponse=other.fITSResponse; | |
173 | fTPCResponse=other.fTPCResponse; | |
174 | fTRDResponse=other.fTRDResponse; | |
175 | fTOFResponse=other.fTOFResponse; | |
567624b5 | 176 | fHMPIDResponse=other.fHMPIDResponse; |
e96b9916 | 177 | fEMCALResponse=other.fEMCALResponse; |
fd21ec8d | 178 | fRange=other.fRange; |
179 | fITSPIDmethod=other.fITSPIDmethod; | |
4ec8e76d | 180 | fOADBPath=other.fOADBPath; |
00a38d07 | 181 | fCustomTPCpidResponse=other.fCustomTPCpidResponse; |
1ceae0ac | 182 | fTuneMConData=other.fTuneMConData; |
183 | fTuneMConDataMask=other.fTuneMConDataMask; | |
4ec8e76d | 184 | fIsMC=other.fIsMC; |
1c9d11be | 185 | fCachePID=other.fCachePID; |
4ec8e76d | 186 | fBeamType="PP"; |
187 | fLHCperiod=""; | |
188 | fMCperiodTPC=""; | |
fd21ec8d | 189 | fMCperiodUser=other.fMCperiodUser; |
ea235c90 | 190 | fCurrentFile=""; |
87da0205 | 191 | fCurrentAliRootRev=other.fCurrentAliRootRev; |
4ec8e76d | 192 | fRecoPass=0; |
fd21ec8d | 193 | fRecoPassUser=other.fRecoPassUser; |
1ceae0ac | 194 | fRun=-1; |
1b9e31a6 | 195 | fOldRun=-1; |
78cbd205 | 196 | fResT0A=75.; |
197 | fResT0C=65.; | |
198 | fResT0AC=55.; | |
644666df | 199 | fArrPidResponseMaster=NULL; |
200 | fResolutionCorrection=NULL; | |
201 | fOADBvoltageMaps=NULL; | |
1ceae0ac | 202 | fUseTPCEtaCorrection=other.fUseTPCEtaCorrection; |
87da0205 | 203 | fUseTPCMultiplicityCorrection=other.fUseTPCMultiplicityCorrection; |
644666df | 204 | fTRDPIDResponseObject=NULL; |
205 | fEMCALPIDParams=NULL; | |
c5fb644a | 206 | fTOFtail=0.9; |
644666df | 207 | fTOFPIDParams=NULL; |
567624b5 | 208 | fHMPIDPIDParams=NULL; |
e96b9916 | 209 | fCurrentEvent=other.fCurrentEvent; |
87da0205 | 210 | |
4ec8e76d | 211 | } |
212 | return *this; | |
213 | } | |
214 | ||
fd21ec8d | 215 | //______________________________________________________________________________ |
355b831b | 216 | Float_t AliPIDResponse::NumberOfSigmas(EDetector detector, const AliVParticle *vtrack, AliPID::EParticleType type) const |
fd21ec8d | 217 | { |
218 | // | |
219 | // NumberOfSigmas for 'detCode' | |
220 | // | |
355b831b | 221 | |
222 | const AliVTrack *track=static_cast<const AliVTrack*>(vtrack); | |
223 | // look for cached value first | |
224 | const AliDetectorPID *detPID=track->GetDetectorPID(); | |
225 | ||
226 | if ( detPID && detPID->HasNumberOfSigmas(detector)){ | |
227 | return detPID->GetNumberOfSigmas(detector, type); | |
228 | } else if (fCachePID) { | |
229 | FillTrackDetectorPID(track, detector); | |
230 | detPID=track->GetDetectorPID(); | |
231 | return detPID->GetNumberOfSigmas(detector, type); | |
fd21ec8d | 232 | } |
355b831b | 233 | |
234 | return GetNumberOfSigmas(detector, track, type); | |
fd21ec8d | 235 | } |
236 | ||
e96b9916 | 237 | //______________________________________________________________________________ |
355b831b | 238 | AliPIDResponse::EDetPidStatus AliPIDResponse::NumberOfSigmas(EDetector detCode, const AliVParticle *track, |
239 | AliPID::EParticleType type, Double_t &val) const | |
00a38d07 | 240 | { |
241 | // | |
355b831b | 242 | // NumberOfSigmas with detector status as return value |
00a38d07 | 243 | // |
355b831b | 244 | |
245 | val=NumberOfSigmas(detCode, track, type); | |
246 | return CheckPIDStatus(detCode, (AliVTrack*)track); | |
00a38d07 | 247 | } |
248 | ||
1c9d11be | 249 | //______________________________________________________________________________ |
250 | // public buffered versions of the PID calculation | |
251 | // | |
252 | ||
00a38d07 | 253 | //______________________________________________________________________________ |
254 | Float_t AliPIDResponse::NumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
255 | { | |
256 | // | |
257 | // Calculate the number of sigmas in the ITS | |
258 | // | |
259 | ||
355b831b | 260 | return NumberOfSigmas(kITS, vtrack, type); |
00a38d07 | 261 | } |
262 | ||
263 | //______________________________________________________________________________ | |
264 | Float_t AliPIDResponse::NumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
265 | { | |
266 | // | |
267 | // Calculate the number of sigmas in the TPC | |
268 | // | |
269 | ||
355b831b | 270 | return NumberOfSigmas(kTPC, vtrack, type); |
00a38d07 | 271 | } |
272 | ||
644666df | 273 | //______________________________________________________________________________ |
274 | Float_t AliPIDResponse::NumberOfSigmasTPC( const AliVParticle *vtrack, | |
275 | AliPID::EParticleType type, | |
f84b18dd | 276 | AliTPCPIDResponse::ETPCdEdxSource dedxSource) const |
644666df | 277 | { |
278 | //get number of sigmas according the selected TPC gain configuration scenario | |
279 | const AliVTrack *track=static_cast<const AliVTrack*>(vtrack); | |
280 | ||
87da0205 | 281 | Float_t nSigma=fTPCResponse.GetNumberOfSigmas(track, type, dedxSource, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection); |
644666df | 282 | |
283 | return nSigma; | |
284 | } | |
285 | ||
00a38d07 | 286 | //______________________________________________________________________________ |
1c9d11be | 287 | Float_t AliPIDResponse::NumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const |
00a38d07 | 288 | { |
289 | // | |
1c9d11be | 290 | // Calculate the number of sigmas in the TOF |
00a38d07 | 291 | // |
292 | ||
355b831b | 293 | return NumberOfSigmas(kTOF, vtrack, type); |
1c9d11be | 294 | } |
e96b9916 | 295 | |
567624b5 | 296 | //______________________________________________________________________________ |
297 | Float_t AliPIDResponse::NumberOfSigmasHMPID(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
298 | { | |
299 | // | |
300 | // Calculate the number of sigmas in the EMCAL | |
301 | // | |
302 | ||
303 | return NumberOfSigmas(kHMPID, vtrack, type); | |
304 | } | |
305 | ||
1c9d11be | 306 | //______________________________________________________________________________ |
307 | Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
308 | { | |
309 | // | |
310 | // Calculate the number of sigmas in the EMCAL | |
311 | // | |
e96b9916 | 312 | |
355b831b | 313 | return NumberOfSigmas(kEMCAL, vtrack, type); |
e96b9916 | 314 | } |
315 | ||
6d0064aa | 316 | //______________________________________________________________________________ |
1c9d11be | 317 | Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const |
318 | { | |
319 | // | |
320 | // emcal nsigma with eop and showershape | |
321 | // | |
00a38d07 | 322 | AliVTrack *track=(AliVTrack*)vtrack; |
323 | ||
6d0064aa | 324 | AliVCluster *matchedClus = NULL; |
325 | ||
326 | Double_t mom = -1.; | |
327 | Double_t pt = -1.; | |
328 | Double_t EovP = -1.; | |
329 | Double_t fClsE = -1.; | |
32fa24d6 | 330 | |
331 | // initialize eop and shower shape parameters | |
332 | eop = -1.; | |
333 | for(Int_t i = 0; i < 4; i++){ | |
334 | showershape[i] = -1.; | |
335 | } | |
6d0064aa | 336 | |
337 | Int_t nMatchClus = -1; | |
338 | Int_t charge = 0; | |
339 | ||
340 | // Track matching | |
341 | nMatchClus = track->GetEMCALcluster(); | |
342 | if(nMatchClus > -1){ | |
343 | ||
344 | mom = track->P(); | |
345 | pt = track->Pt(); | |
346 | charge = track->Charge(); | |
347 | ||
348 | matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus); | |
349 | ||
350 | if(matchedClus){ | |
351 | ||
352 | // matched cluster is EMCAL | |
353 | if(matchedClus->IsEMCAL()){ | |
354 | ||
355 | fClsE = matchedClus->E(); | |
356 | EovP = fClsE/mom; | |
357 | ||
358 | // fill used EMCAL variables here | |
359 | eop = EovP; // E/p | |
360 | showershape[0] = matchedClus->GetNCells(); // number of cells in cluster | |
361 | showershape[1] = matchedClus->GetM02(); // long axis | |
362 | showershape[2] = matchedClus->GetM20(); // short axis | |
363 | showershape[3] = matchedClus->GetDispersion(); // dispersion | |
1c9d11be | 364 | |
365 | // look for cached value first | |
366 | const AliDetectorPID *detPID=track->GetDetectorPID(); | |
367 | const EDetector detector=kEMCAL; | |
368 | ||
369 | if ( detPID && detPID->HasNumberOfSigmas(detector)){ | |
370 | return detPID->GetNumberOfSigmas(detector, type); | |
371 | } else if (fCachePID) { | |
372 | FillTrackDetectorPID(track, detector); | |
373 | detPID=track->GetDetectorPID(); | |
374 | return detPID->GetNumberOfSigmas(detector, type); | |
375 | } | |
376 | ||
377 | // NSigma value really meaningful only for electrons! | |
378 | return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge); | |
6d0064aa | 379 | } |
380 | } | |
381 | } | |
382 | return -999; | |
383 | } | |
384 | ||
567624b5 | 385 | //______________________________________________________________________________ |
1d59271b | 386 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDelta(EDetector detector, const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const |
567624b5 | 387 | { |
388 | // | |
389 | // | |
390 | // | |
391 | val=-9999.; | |
392 | switch (detector){ | |
1d59271b | 393 | case kITS: return GetSignalDeltaITS(track,type,val,ratio); break; |
394 | case kTPC: return GetSignalDeltaTPC(track,type,val,ratio); break; | |
395 | case kTOF: return GetSignalDeltaTOF(track,type,val,ratio); break; | |
396 | case kHMPID: return GetSignalDeltaHMPID(track,type,val,ratio); break; | |
567624b5 | 397 | default: return kDetNoSignal; |
398 | } | |
399 | return kDetNoSignal; | |
400 | } | |
401 | ||
402 | //______________________________________________________________________________ | |
1d59271b | 403 | Double_t AliPIDResponse::GetSignalDelta(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type, Bool_t ratio/*=kFALSE*/) const |
567624b5 | 404 | { |
405 | // | |
406 | // | |
407 | // | |
408 | Double_t val=-9999.; | |
1d59271b | 409 | EDetPidStatus stat=GetSignalDelta(detCode, track, type, val, ratio); |
567624b5 | 410 | if ( stat==kDetNoSignal ) val=-9999.; |
411 | return val; | |
412 | } | |
413 | ||
00a38d07 | 414 | //______________________________________________________________________________ |
355b831b | 415 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const |
00a38d07 | 416 | { |
00a38d07 | 417 | // Compute PID response of 'detCode' |
355b831b | 418 | |
419 | // find detector code from detector bit mask | |
420 | Int_t detector=-1; | |
421 | for (Int_t idet=0; idet<kNdetectors; ++idet) if ( (detCode&(1<<idet)) ) { detector=idet; break; } | |
422 | if (detector==-1) return kDetNoSignal; | |
00a38d07 | 423 | |
355b831b | 424 | return ComputePIDProbability((EDetector)detector, track, nSpecies, p); |
00a38d07 | 425 | } |
426 | ||
fd21ec8d | 427 | //______________________________________________________________________________ |
355b831b | 428 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetector detector, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const |
fd21ec8d | 429 | { |
430 | // | |
355b831b | 431 | // Compute PID response of 'detector' |
fd21ec8d | 432 | // |
433 | ||
1c9d11be | 434 | const AliDetectorPID *detPID=track->GetDetectorPID(); |
355b831b | 435 | |
436 | if ( detPID && detPID->HasRawProbability(detector)){ | |
1c9d11be | 437 | return detPID->GetRawProbability(detector, p, nSpecies); |
438 | } else if (fCachePID) { | |
439 | FillTrackDetectorPID(track, detector); | |
440 | detPID=track->GetDetectorPID(); | |
441 | return detPID->GetRawProbability(detector, p, nSpecies); | |
fd21ec8d | 442 | } |
443 | ||
355b831b | 444 | //if no caching return values calculated from scratch |
445 | return GetComputePIDProbability(detector, track, nSpecies, p); | |
446 | } | |
447 | ||
448 | //______________________________________________________________________________ | |
449 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
450 | { | |
451 | // Compute PID response for the ITS | |
452 | return ComputePIDProbability(kITS, track, nSpecies, p); | |
fd21ec8d | 453 | } |
355b831b | 454 | |
fd21ec8d | 455 | //______________________________________________________________________________ |
456 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
457 | { | |
fd21ec8d | 458 | // Compute PID response for the TPC |
355b831b | 459 | return ComputePIDProbability(kTPC, track, nSpecies, p); |
fd21ec8d | 460 | } |
355b831b | 461 | |
fd21ec8d | 462 | //______________________________________________________________________________ |
463 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
464 | { | |
fd21ec8d | 465 | // Compute PID response for the |
355b831b | 466 | return ComputePIDProbability(kTOF, track, nSpecies, p); |
fd21ec8d | 467 | } |
355b831b | 468 | |
fd21ec8d | 469 | //______________________________________________________________________________ |
355b831b | 470 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const |
fd21ec8d | 471 | { |
fd21ec8d | 472 | // Compute PID response for the |
355b831b | 473 | return ComputePIDProbability(kTRD, track, nSpecies, p); |
fd21ec8d | 474 | } |
355b831b | 475 | |
fd21ec8d | 476 | //______________________________________________________________________________ |
e96b9916 | 477 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const |
fd21ec8d | 478 | { |
fd21ec8d | 479 | // Compute PID response for the EMCAL |
355b831b | 480 | return ComputePIDProbability(kEMCAL, track, nSpecies, p); |
1c9d11be | 481 | } |
482 | //______________________________________________________________________________ | |
483 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const | |
484 | { | |
1c9d11be | 485 | // Compute PID response for the PHOS |
1c9d11be | 486 | |
487 | // set flat distribution (no decision) | |
00a38d07 | 488 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; |
1c9d11be | 489 | return kDetNoSignal; |
490 | } | |
355b831b | 491 | |
1c9d11be | 492 | //______________________________________________________________________________ |
493 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
494 | { | |
1c9d11be | 495 | // Compute PID response for the HMPID |
355b831b | 496 | return ComputePIDProbability(kHMPID, track, nSpecies, p); |
497 | } | |
fd21ec8d | 498 | |
355b831b | 499 | //______________________________________________________________________________ |
500 | AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const | |
501 | { | |
502 | // Compute PID response for the | |
503 | return GetComputeTRDProbability(track, nSpecies, p, PIDmethod); | |
504 | } | |
e96b9916 | 505 | |
355b831b | 506 | //______________________________________________________________________________ |
507 | AliPIDResponse::EDetPidStatus AliPIDResponse::CheckPIDStatus(EDetector detector, const AliVTrack *track) const | |
508 | { | |
509 | // calculate detector pid status | |
510 | ||
511 | const Int_t iDetCode=(Int_t)detector; | |
512 | if (iDetCode<0||iDetCode>=kNdetectors) return kDetNoSignal; | |
513 | const AliDetectorPID *detPID=track->GetDetectorPID(); | |
514 | ||
515 | if ( detPID ){ | |
516 | return detPID->GetPIDStatus(detector); | |
1c9d11be | 517 | } else if (fCachePID) { |
518 | FillTrackDetectorPID(track, detector); | |
519 | detPID=track->GetDetectorPID(); | |
355b831b | 520 | return detPID->GetPIDStatus(detector); |
e96b9916 | 521 | } |
355b831b | 522 | |
523 | // if not buffered and no buffering is requested | |
524 | return GetPIDStatus(detector, track); | |
fd21ec8d | 525 | } |
526 | ||
4ec8e76d | 527 | //______________________________________________________________________________ |
00a38d07 | 528 | void AliPIDResponse::InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run) |
4ec8e76d | 529 | { |
530 | // | |
531 | // Apply settings for the current event | |
532 | // | |
533 | fRecoPass=pass; | |
e96b9916 | 534 | |
78cbd205 | 535 | |
644666df | 536 | fCurrentEvent=NULL; |
4ec8e76d | 537 | if (!event) return; |
e96b9916 | 538 | fCurrentEvent=event; |
00a38d07 | 539 | if (run>0) fRun=run; |
540 | else fRun=event->GetRunNumber(); | |
4ec8e76d | 541 | |
542 | if (fRun!=fOldRun){ | |
543 | ExecNewRun(); | |
544 | fOldRun=fRun; | |
545 | } | |
546 | ||
547 | //TPC resolution parametrisation PbPb | |
548 | if ( fResolutionCorrection ){ | |
549 | Double_t corrSigma=fResolutionCorrection->Eval(GetTPCMultiplicityBin(event)); | |
550 | fTPCResponse.SetSigma(3.79301e-03*corrSigma, 2.21280e+04); | |
551 | } | |
552 | ||
87da0205 | 553 | // Set up TPC multiplicity for PbPb |
554 | //TODO Will NOT give the desired number for AODs -> Needs new variable/function in future. | |
555 | // Fatal, if AOD event and correction enabled | |
556 | //printf("DETECTED class: %s (%d)\n\n\n\n", event->IsA()->GetName(), fUseTPCMultiplicityCorrection);//TODO | |
557 | if (fUseTPCMultiplicityCorrection && strcmp(event->IsA()->GetName(), "AliESDEvent") != 0) { | |
558 | AliFatal("TPC multiplicity correction is enabled, but will NOT work for AOD events, only for ESD => Disabled multiplicity correction!"); | |
559 | fUseTPCMultiplicityCorrection = kFALSE; | |
560 | } | |
561 | ||
562 | if (fUseTPCMultiplicityCorrection) | |
563 | fTPCResponse.SetCurrentEventMultiplicity(event->GetNumberOfTracks()); | |
564 | else | |
565 | fTPCResponse.SetCurrentEventMultiplicity(0); | |
566 | ||
4ec8e76d | 567 | //TOF resolution |
b79db598 | 568 | SetTOFResponse(event, (AliPIDResponse::EStartTimeType_t)fTOFPIDParams->GetStartTimeMethod()); |
569 | ||
80f28562 | 570 | |
571 | // Get and set centrality | |
572 | AliCentrality *centrality = event->GetCentrality(); | |
573 | if(centrality){ | |
574 | fCurrCentrality = centrality->GetCentralityPercentile("V0M"); | |
575 | } | |
576 | else{ | |
577 | fCurrCentrality = -1; | |
578 | } | |
87da0205 | 579 | |
580 | // Set centrality percentile for EMCAL | |
581 | fEMCALResponse.SetCentrality(fCurrCentrality); | |
582 | ||
4ec8e76d | 583 | } |
584 | ||
585 | //______________________________________________________________________________ | |
586 | void AliPIDResponse::ExecNewRun() | |
587 | { | |
588 | // | |
589 | // Things to Execute upon a new run | |
590 | // | |
591 | SetRecoInfo(); | |
592 | ||
593 | SetITSParametrisation(); | |
594 | ||
595 | SetTPCPidResponseMaster(); | |
596 | SetTPCParametrisation(); | |
f84b18dd | 597 | SetTPCEtaMaps(); |
53d016dc | 598 | |
599 | SetTRDPidResponseMaster(); | |
600 | InitializeTRDResponse(); | |
b2138b40 | 601 | |
602 | SetEMCALPidResponseMaster(); | |
603 | InitializeEMCALResponse(); | |
4ec8e76d | 604 | |
b79db598 | 605 | SetTOFPidResponseMaster(); |
606 | InitializeTOFResponse(); | |
644666df | 607 | |
567624b5 | 608 | SetHMPIDPidResponseMaster(); |
609 | InitializeHMPIDResponse(); | |
610 | ||
644666df | 611 | if (fCurrentEvent) fTPCResponse.SetMagField(fCurrentEvent->GetMagneticField()); |
4ec8e76d | 612 | } |
613 | ||
1c9d11be | 614 | //______________________________________________________________________________ |
4ec8e76d | 615 | Double_t AliPIDResponse::GetTPCMultiplicityBin(const AliVEvent * const event) |
616 | { | |
617 | // | |
618 | // Get TPC multiplicity in bins of 150 | |
619 | // | |
620 | ||
621 | const AliVVertex* vertexTPC = event->GetPrimaryVertex(); | |
622 | Double_t tpcMulti=0.; | |
623 | if(vertexTPC){ | |
624 | Double_t vertexContribTPC=vertexTPC->GetNContributors(); | |
625 | tpcMulti=vertexContribTPC/150.; | |
626 | if (tpcMulti>20.) tpcMulti=20.; | |
627 | } | |
628 | ||
629 | return tpcMulti; | |
630 | } | |
631 | ||
632 | //______________________________________________________________________________ | |
633 | void AliPIDResponse::SetRecoInfo() | |
634 | { | |
635 | // | |
636 | // Set reconstruction information | |
637 | // | |
638 | ||
639 | //reset information | |
640 | fLHCperiod=""; | |
641 | fMCperiodTPC=""; | |
642 | ||
643 | fBeamType=""; | |
644 | ||
645 | fBeamType="PP"; | |
bbce5a64 | 646 | |
647 | Bool_t hasProdInfo=(fCurrentFile.BeginsWith("LHC")); | |
4ec8e76d | 648 | |
bbce5a64 | 649 | TPRegexp reg(".*(LHC1[1-3][a-z]+[0-9]+[a-z_]*)/.*"); |
650 | if (hasProdInfo) reg=TPRegexp("LHC1[1-2][a-z]+[0-9]+[a-z_]*"); | |
e56f039a | 651 | TPRegexp reg12a17("LHC1[2-3][a-z]"); |
1436d6bb | 652 | |
4ec8e76d | 653 | //find the period by run number (UGLY, but not stored in ESD and AOD... ) |
654 | if (fRun>=114737&&fRun<=117223) { fLHCperiod="LHC10B"; fMCperiodTPC="LHC10D1"; } | |
655 | else if (fRun>=118503&&fRun<=121040) { fLHCperiod="LHC10C"; fMCperiodTPC="LHC10D1"; } | |
656 | else if (fRun>=122195&&fRun<=126437) { fLHCperiod="LHC10D"; fMCperiodTPC="LHC10F6A"; } | |
99e9d5ec | 657 | else if (fRun>=127710&&fRun<=130850) { fLHCperiod="LHC10E"; fMCperiodTPC="LHC10F6A"; } |
4ec8e76d | 658 | else if (fRun>=133004&&fRun<=135029) { fLHCperiod="LHC10F"; fMCperiodTPC="LHC10F6A"; } |
659 | else if (fRun>=135654&&fRun<=136377) { fLHCperiod="LHC10G"; fMCperiodTPC="LHC10F6A"; } | |
12d3abbc | 660 | else if (fRun>=136851&&fRun<=139846) { |
ea235c90 | 661 | fLHCperiod="LHC10H"; |
662 | fMCperiodTPC="LHC10H8"; | |
663 | if (reg.MatchB(fCurrentFile)) fMCperiodTPC="LHC11A10"; | |
664 | fBeamType="PBPB"; | |
665 | } | |
12d3abbc | 666 | else if (fRun>=139847&&fRun<=146974) { fLHCperiod="LHC11A"; fMCperiodTPC="LHC10F6A"; } |
667 | //TODO: periods 11B (146975-150721), 11C (150722-155837) are not yet treated assume 11d for the moment | |
668 | else if (fRun>=146975&&fRun<=155837) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; } | |
669 | else if (fRun>=155838&&fRun<=159649) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; } | |
670 | // also for 11e (159650-162750),f(162751-165771) use 11d | |
671 | else if (fRun>=159650&&fRun<=162750) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; } | |
672 | else if (fRun>=162751&&fRun<=165771) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; } | |
00a38d07 | 673 | |
12d3abbc | 674 | else if (fRun>=165772 && fRun<=170718) { |
3077a03d | 675 | fLHCperiod="LHC11H"; |
676 | fMCperiodTPC="LHC11A10"; | |
677 | fBeamType="PBPB"; | |
a78fd045 | 678 | if (reg12a17.MatchB(fCurrentFile)) fMCperiodTPC="LHC12A17"; |
3077a03d | 679 | } |
8af51a65 | 680 | if (fRun>=170719 && fRun<=177311) { fLHCperiod="LHC12A"; fBeamType="PP"; /*fMCperiodTPC="";*/ } |
681 | // for the moment use LHC12b parameters up to LHC12e | |
682 | if (fRun>=177312 /*&& fRun<=179356*/) { fLHCperiod="LHC12B"; fBeamType="PP"; /*fMCperiodTPC="";*/ } | |
683 | // if (fRun>=179357 && fRun<=183173) { fLHCperiod="LHC12C"; fBeamType="PP"; /*fMCperiodTPC="";*/ } | |
684 | // if (fRun>=183174 && fRun<=186345) { fLHCperiod="LHC12D"; fBeamType="PP"; /*fMCperiodTPC="";*/ } | |
685 | // if (fRun>=186346 && fRun<=186635) { fLHCperiod="LHC12E"; fBeamType="PP"; /*fMCperiodTPC="";*/ } | |
686 | ||
687 | // if (fRun>=186636 && fRun<=188166) { fLHCperiod="LHC12F"; fBeamType="PP"; /*fMCperiodTPC="";*/ } | |
688 | // if (fRun >= 188167 && fRun <= 188355 ) { fLHCperiod="LHC12G"; fBeamType="PP"; /*fMCperiodTPC="";*/ } | |
689 | // if (fRun >= 188356 && fRun <= 188503 ) { fLHCperiod="LHC12G"; fBeamType="PPB"; /*fMCperiodTPC="";*/ } | |
690 | // for the moment use 12g parametrisation for all full gain runs (LHC12f+) | |
87da0205 | 691 | if (fRun >= 186636 && fRun < 194480) { fLHCperiod="LHC12G"; fBeamType="PPB"; fMCperiodTPC="LHC12G"; } |
692 | ||
693 | // New parametrisation for 2013 pPb runs | |
694 | if (fRun >= 194480) { | |
695 | fLHCperiod="LHC13B"; | |
696 | fBeamType="PPB"; | |
bbce5a64 | 697 | fMCperiodTPC="LHC12G"; |
87da0205 | 698 | |
699 | if (fCurrentAliRootRev >= 61605) | |
700 | fMCperiodTPC="LHC13B2_FIX"; | |
bbce5a64 | 701 | if (fCurrentAliRootRev >= 62714) |
702 | fMCperiodTPC="LHC13B2_FIXn1"; | |
87da0205 | 703 | } |
80ab5635 | 704 | |
705 | //exception new pp MC productions from 2011 | |
1b45e564 | 706 | if (fBeamType=="PP" && reg.MatchB(fCurrentFile)) { fMCperiodTPC="LHC11B2"; fBeamType="PP"; } |
4a527e08 | 707 | // exception for 11f1 |
bbce5a64 | 708 | if (fCurrentFile.Contains("LHC11f1")) fMCperiodTPC="LHC11F1"; |
bf26ce58 | 709 | // exception for 12f1a, 12f1b and 12i3 |
bbce5a64 | 710 | if (fCurrentFile.Contains("LHC12f1") || fCurrentFile.Contains("LHC12i3")) fMCperiodTPC="LHC12F1"; |
c3ee524d | 711 | // exception for 12c4 |
bbce5a64 | 712 | if (fCurrentFile.Contains("LHC12c4")) fMCperiodTPC="LHC12C4"; |
4ec8e76d | 713 | } |
714 | ||
715 | //______________________________________________________________________________ | |
716 | void AliPIDResponse::SetITSParametrisation() | |
717 | { | |
718 | // | |
719 | // Set the ITS parametrisation | |
720 | // | |
721 | } | |
722 | ||
f84b18dd | 723 | |
724 | //______________________________________________________________________________ | |
725 | void AliPIDResponse::AddPointToHyperplane(TH2D* h, TLinearFitter* linExtrapolation, Int_t binX, Int_t binY) | |
726 | { | |
727 | if (h->GetBinContent(binX, binY) <= 1e-4) | |
728 | return; // Reject bins without content (within some numerical precision) or with strange content | |
729 | ||
730 | Double_t coord[2] = {0, 0}; | |
731 | coord[0] = h->GetXaxis()->GetBinCenter(binX); | |
732 | coord[1] = h->GetYaxis()->GetBinCenter(binY); | |
733 | Double_t binError = h->GetBinError(binX, binY); | |
734 | if (binError <= 0) { | |
735 | binError = 1000; // Should not happen because bins without content are rejected for the map (TH2D* h) | |
736 | printf("ERROR: This should never happen: Trying to add bin in addPointToHyperplane with error not set....\n"); | |
737 | } | |
738 | linExtrapolation->AddPoint(coord, h->GetBinContent(binX, binY, binError)); | |
739 | } | |
740 | ||
741 | ||
742 | //______________________________________________________________________________ | |
743 | TH2D* AliPIDResponse::RefineHistoViaLinearInterpolation(TH2D* h, Double_t refineFactorX, Double_t refineFactorY) | |
744 | { | |
745 | if (!h) | |
746 | return 0x0; | |
747 | ||
748 | // Interpolate to finer map | |
749 | TLinearFitter* linExtrapolation = new TLinearFitter(2, "hyp2", ""); | |
750 | ||
751 | Double_t upperMapBoundY = h->GetYaxis()->GetBinUpEdge(h->GetYaxis()->GetNbins()); | |
752 | Double_t lowerMapBoundY = h->GetYaxis()->GetBinLowEdge(1); | |
1b45e564 | 753 | Int_t nBinsX = 30; |
f84b18dd | 754 | // 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, |
755 | // scale the number of bins correspondingly | |
1b45e564 | 756 | Int_t nBinsY = TMath::Nint((upperMapBoundY - lowerMapBoundY) / (0.02 - 0.0016) * 40); |
f84b18dd | 757 | Int_t nBinsXrefined = nBinsX * refineFactorX; |
758 | Int_t nBinsYrefined = nBinsY * refineFactorY; | |
759 | ||
760 | TH2D* hRefined = new TH2D(Form("%s_refined", h->GetName()), Form("%s (refined)", h->GetTitle()), | |
761 | nBinsXrefined, h->GetXaxis()->GetBinLowEdge(1), h->GetXaxis()->GetBinUpEdge(h->GetXaxis()->GetNbins()), | |
762 | nBinsYrefined, lowerMapBoundY, upperMapBoundY); | |
763 | ||
764 | for (Int_t binX = 1; binX <= nBinsXrefined; binX++) { | |
765 | for (Int_t binY = 1; binY <= nBinsYrefined; binY++) { | |
766 | ||
767 | hRefined->SetBinContent(binX, binY, 1); // Default value is 1 | |
768 | ||
769 | Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX); | |
770 | Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY); | |
771 | ||
1b45e564 | 772 | /*OLD |
f84b18dd | 773 | linExtrapolation->ClearPoints(); |
774 | ||
775 | // For interpolation: Just take the corresponding bin from the old histo. | |
776 | // For extrapolation: take the last available bin from the old histo. | |
777 | // If the boundaries are to be skipped, also skip the corresponding bins | |
778 | Int_t oldBinX = h->GetXaxis()->FindBin(centerX); | |
779 | if (oldBinX < 1) | |
780 | oldBinX = 1; | |
781 | if (oldBinX > nBinsX) | |
782 | oldBinX = nBinsX; | |
783 | ||
784 | Int_t oldBinY = h->GetYaxis()->FindBin(centerY); | |
785 | if (oldBinY < 1) | |
786 | oldBinY = 1; | |
787 | if (oldBinY > nBinsY) | |
788 | oldBinY = nBinsY; | |
789 | ||
790 | // Neighbours left column | |
791 | if (oldBinX >= 2) { | |
792 | if (oldBinY >= 2) { | |
793 | AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY - 1); | |
794 | } | |
795 | ||
796 | AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY); | |
797 | ||
798 | if (oldBinY < nBinsY) { | |
799 | AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY + 1); | |
800 | } | |
801 | } | |
802 | ||
803 | // Neighbours (and point itself) same column | |
804 | if (oldBinY >= 2) { | |
805 | AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY - 1); | |
806 | } | |
807 | ||
808 | AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY); | |
809 | ||
810 | if (oldBinY < nBinsY) { | |
811 | AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY + 1); | |
812 | } | |
813 | ||
814 | // Neighbours right column | |
815 | if (oldBinX < nBinsX) { | |
816 | if (oldBinY >= 2) { | |
817 | AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY - 1); | |
818 | } | |
819 | ||
820 | AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY); | |
821 | ||
822 | if (oldBinY < nBinsY) { | |
823 | AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY + 1); | |
824 | } | |
825 | } | |
826 | ||
827 | ||
828 | // Fit 2D-hyperplane | |
829 | if (linExtrapolation->GetNpoints() <= 0) | |
830 | continue; | |
831 | ||
832 | if (linExtrapolation->Eval() != 0)// EvalRobust -> Takes much, much, [...], much more time (~hours instead of seconds) | |
833 | continue; | |
834 | ||
835 | // Fill the bin of the refined histogram with the extrapolated value | |
836 | Double_t interpolatedValue = linExtrapolation->GetParameter(0) + linExtrapolation->GetParameter(1) * centerX | |
837 | + linExtrapolation->GetParameter(2) * centerY; | |
838 | */ | |
f85a3764 | 839 | Double_t interpolatedValue = h->Interpolate(centerX, centerY) ; |
f84b18dd | 840 | hRefined->SetBinContent(binX, binY, interpolatedValue); |
841 | } | |
842 | } | |
843 | ||
1b45e564 | 844 | |
845 | // Problem: Interpolation does not work before/beyond center of first/last bin (as the name suggests). | |
846 | // Therefore, for each row in dEdx: Take last bin from old map and interpolate values from center and edge. | |
847 | // Assume line through these points and extropolate to last bin of refined map | |
848 | const Double_t firstOldXbinUpEdge = h->GetXaxis()->GetBinUpEdge(1); | |
849 | const Double_t firstOldXbinCenter = h->GetXaxis()->GetBinCenter(1); | |
850 | ||
851 | const Double_t oldXbinHalfWidth = firstOldXbinUpEdge - firstOldXbinCenter; | |
852 | ||
853 | const Double_t lastOldXbinLowEdge = h->GetXaxis()->GetBinLowEdge(h->GetNbinsX()); | |
854 | const Double_t lastOldXbinCenter = h->GetXaxis()->GetBinCenter(h->GetNbinsX()); | |
855 | ||
856 | for (Int_t binY = 1; binY <= nBinsYrefined; binY++) { | |
857 | Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY); | |
858 | ||
859 | const Double_t interpolatedCenterFirstXbin = h->Interpolate(firstOldXbinCenter, centerY); | |
860 | const Double_t interpolatedUpEdgeFirstXbin = h->Interpolate(firstOldXbinUpEdge, centerY); | |
861 | ||
862 | const Double_t extrapolationSlopeFirstXbin = (interpolatedUpEdgeFirstXbin - interpolatedCenterFirstXbin) / oldXbinHalfWidth; | |
863 | const Double_t extrapolationOffsetFirstXbin = interpolatedCenterFirstXbin; | |
864 | ||
865 | ||
866 | const Double_t interpolatedCenterLastXbin = h->Interpolate(lastOldXbinCenter, centerY); | |
867 | const Double_t interpolatedLowEdgeLastXbin = h->Interpolate(lastOldXbinLowEdge, centerY); | |
868 | ||
869 | const Double_t extrapolationSlopeLastXbin = (interpolatedCenterLastXbin - interpolatedLowEdgeLastXbin) / oldXbinHalfWidth; | |
870 | const Double_t extrapolationOffsetLastXbin = interpolatedCenterLastXbin; | |
871 | ||
872 | for (Int_t binX = 1; binX <= nBinsXrefined; binX++) { | |
873 | Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX); | |
874 | ||
875 | if (centerX < firstOldXbinCenter) { | |
876 | Double_t extrapolatedValue = extrapolationOffsetFirstXbin + (centerX - firstOldXbinCenter) * extrapolationSlopeFirstXbin; | |
877 | hRefined->SetBinContent(binX, binY, extrapolatedValue); | |
878 | } | |
879 | else if (centerX <= lastOldXbinCenter) { | |
880 | continue; | |
881 | } | |
882 | else { | |
883 | Double_t extrapolatedValue = extrapolationOffsetLastXbin + (centerX - lastOldXbinCenter) * extrapolationSlopeLastXbin; | |
884 | hRefined->SetBinContent(binX, binY, extrapolatedValue); | |
885 | } | |
886 | } | |
887 | } | |
888 | ||
f84b18dd | 889 | delete linExtrapolation; |
890 | ||
891 | return hRefined; | |
892 | } | |
893 | ||
894 | //______________________________________________________________________________ | |
895 | void AliPIDResponse::SetTPCEtaMaps(Double_t refineFactorMapX, Double_t refineFactorMapY, | |
896 | Double_t refineFactorSigmaMapX, Double_t refineFactorSigmaMapY) | |
897 | { | |
898 | // | |
899 | // Load the TPC eta correction maps from the OADB | |
900 | // | |
901 | ||
f85a3764 | 902 | if (fUseTPCEtaCorrection == kFALSE) { |
903 | // Disable eta correction via setting no maps | |
904 | if (!fTPCResponse.SetEtaCorrMap(0x0)) | |
1b45e564 | 905 | AliInfo("Request to disable TPC eta correction -> Eta correction has been disabled"); |
f85a3764 | 906 | else |
907 | AliError("Request to disable TPC eta correction -> Some error occured when unloading the correction maps"); | |
908 | ||
909 | if (!fTPCResponse.SetSigmaParams(0x0, 0)) | |
1b45e564 | 910 | AliInfo("Request to disable TPC eta correction -> Using old parametrisation for sigma"); |
911 | else | |
f85a3764 | 912 | AliError("Request to disable TPC eta correction -> Some error occured when unloading the sigma maps"); |
913 | ||
914 | return; | |
915 | } | |
1b45e564 | 916 | |
f84b18dd | 917 | TString dataType = "DATA"; |
918 | TString period = fLHCperiod.IsNull() ? "No period information" : fLHCperiod; | |
919 | ||
920 | if (fIsMC) { | |
87da0205 | 921 | if (!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) { |
f85a3764 | 922 | period=fMCperiodTPC; |
923 | dataType="MC"; | |
924 | } | |
f84b18dd | 925 | fRecoPass = 1; |
926 | ||
87da0205 | 927 | if (!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) && fMCperiodTPC.IsNull()) { |
f84b18dd | 928 | AliFatal("MC detected, but no MC period set -> Not changing eta maps!"); |
929 | return; | |
930 | } | |
f84b18dd | 931 | } |
f85a3764 | 932 | |
933 | Int_t recopass = fRecoPass; | |
a2c30af1 | 934 | if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC) ) |
f85a3764 | 935 | recopass = fRecoPassUser; |
f84b18dd | 936 | |
f85a3764 | 937 | TString defaultObj = Form("Default_%s_pass%d", dataType.Data(), recopass); |
f84b18dd | 938 | |
f85a3764 | 939 | AliInfo(Form("Current period and reco pass: %s.pass%d", period.Data(), recopass)); |
f84b18dd | 940 | |
941 | // Invalidate old maps | |
942 | fTPCResponse.SetEtaCorrMap(0x0); | |
943 | fTPCResponse.SetSigmaParams(0x0, 0); | |
944 | ||
945 | // Load the eta correction maps | |
f85a3764 | 946 | AliOADBContainer etaMapsCont(Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass)); |
f84b18dd | 947 | |
948 | Int_t statusCont = etaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()), | |
f85a3764 | 949 | Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass)); |
f84b18dd | 950 | if (statusCont) { |
951 | AliError("Failed initializing TPC eta correction maps from OADB -> Disabled eta correction"); | |
87da0205 | 952 | fUseTPCEtaCorrection = kFALSE; |
f84b18dd | 953 | } |
954 | else { | |
955 | AliInfo(Form("Loading TPC eta correction map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data())); | |
956 | ||
957 | TH2D* etaMap = 0x0; | |
958 | ||
87da0205 | 959 | if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) { |
f85a3764 | 960 | TString searchMap = Form("TPCetaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass); |
f84b18dd | 961 | etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(searchMap.Data())); |
962 | if (!etaMap) { | |
963 | // Try default object | |
964 | etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(defaultObj.Data())); | |
965 | } | |
966 | } | |
967 | else { | |
968 | etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetObject(fRun, defaultObj.Data())); | |
969 | } | |
970 | ||
971 | ||
972 | if (!etaMap) { | |
973 | AliError(Form("TPC eta correction map not found for run %d and also no default map found -> Disabled eta correction!!!", fRun)); | |
87da0205 | 974 | fUseTPCEtaCorrection = kFALSE; |
f84b18dd | 975 | } |
976 | else { | |
977 | TH2D* etaMapRefined = RefineHistoViaLinearInterpolation(etaMap, refineFactorMapX, refineFactorMapY); | |
978 | ||
979 | if (etaMapRefined) { | |
980 | if (!fTPCResponse.SetEtaCorrMap(etaMapRefined)) { | |
981 | AliError(Form("Failed to set TPC eta correction map for run %d -> Disabled eta correction!!!", fRun)); | |
982 | fTPCResponse.SetEtaCorrMap(0x0); | |
87da0205 | 983 | fUseTPCEtaCorrection = kFALSE; |
f84b18dd | 984 | } |
985 | else { | |
986 | AliInfo(Form("Loaded TPC eta correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s", | |
987 | refineFactorMapX, refineFactorMapY, fOADBPath.Data(), fTPCResponse.GetEtaCorrMap()->GetTitle())); | |
988 | } | |
989 | ||
990 | delete etaMapRefined; | |
991 | } | |
992 | else { | |
993 | AliError(Form("Failed to set TPC eta correction map for run %d (map was loaded, but couldn't be refined) -> Disabled eta correction!!!", fRun)); | |
87da0205 | 994 | fUseTPCEtaCorrection = kFALSE; |
f84b18dd | 995 | } |
996 | } | |
997 | } | |
998 | ||
87da0205 | 999 | // If there was some problem loading the eta maps, it makes no sense to load the sigma maps (that require eta corrected data) |
1000 | if (fUseTPCEtaCorrection == kFALSE) { | |
1001 | AliError("Failed to load TPC eta correction map required by sigma maps -> Using old parametrisation for sigma"); | |
1002 | return; | |
1003 | } | |
1004 | ||
f84b18dd | 1005 | // Load the sigma parametrisation (1/dEdx vs tanTheta_local (~eta)) |
f85a3764 | 1006 | AliOADBContainer etaSigmaMapsCont(Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass)); |
f84b18dd | 1007 | |
1008 | statusCont = etaSigmaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()), | |
f85a3764 | 1009 | Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass)); |
f84b18dd | 1010 | if (statusCont) { |
1011 | AliError("Failed initializing TPC eta sigma maps from OADB -> Using old sigma parametrisation"); | |
1012 | } | |
1013 | else { | |
1014 | AliInfo(Form("Loading TPC eta sigma map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data())); | |
1015 | ||
1016 | TObjArray* etaSigmaPars = 0x0; | |
1017 | ||
87da0205 | 1018 | if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) { |
f85a3764 | 1019 | TString searchMap = Form("TPCetaSigmaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass); |
f84b18dd | 1020 | etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(searchMap.Data())); |
1021 | if (!etaSigmaPars) { | |
1022 | // Try default object | |
1023 | etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(defaultObj.Data())); | |
1024 | } | |
1025 | } | |
1026 | else { | |
1027 | etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetObject(fRun, defaultObj.Data())); | |
1028 | } | |
1029 | ||
1030 | if (!etaSigmaPars) { | |
1031 | AliError(Form("TPC eta sigma parametrisation not found for run %d -> Using old sigma parametrisation!!!", fRun)); | |
1032 | } | |
1033 | else { | |
1034 | TH2D* etaSigmaPar1Map = dynamic_cast<TH2D *>(etaSigmaPars->FindObject("sigmaPar1Map")); | |
1035 | TNamed* sigmaPar0Info = dynamic_cast<TNamed *>(etaSigmaPars->FindObject("sigmaPar0")); | |
1036 | Double_t sigmaPar0 = 0.0; | |
1037 | ||
1038 | if (sigmaPar0Info) { | |
1039 | TString sigmaPar0String = sigmaPar0Info->GetTitle(); | |
1040 | sigmaPar0 = sigmaPar0String.Atof(); | |
1041 | } | |
1042 | else { | |
1043 | // Something is weired because the object for parameter 0 could not be loaded -> New sigma parametrisation can not be used! | |
1044 | etaSigmaPar1Map = 0x0; | |
1045 | } | |
1046 | ||
1047 | TH2D* etaSigmaPar1MapRefined = RefineHistoViaLinearInterpolation(etaSigmaPar1Map, refineFactorSigmaMapX, refineFactorSigmaMapY); | |
1048 | ||
1049 | ||
1050 | if (etaSigmaPar1MapRefined) { | |
1051 | if (!fTPCResponse.SetSigmaParams(etaSigmaPar1MapRefined, sigmaPar0)) { | |
1052 | AliError(Form("Failed to set TPC eta sigma map for run %d -> Using old sigma parametrisation!!!", fRun)); | |
1053 | fTPCResponse.SetSigmaParams(0x0, 0); | |
1054 | } | |
1055 | else { | |
1056 | AliInfo(Form("Loaded TPC sigma correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s", | |
1057 | refineFactorSigmaMapX, refineFactorSigmaMapY, fOADBPath.Data(), fTPCResponse.GetSigmaPar1Map()->GetTitle())); | |
1058 | } | |
1059 | ||
1060 | delete etaSigmaPar1MapRefined; | |
1061 | } | |
1062 | else { | |
1063 | AliError(Form("Failed to set TPC eta sigma map for run %d (map was loaded, but couldn't be refined) -> Using old sigma parametrisation!!!", | |
1064 | fRun)); | |
1065 | } | |
1066 | } | |
1067 | } | |
1068 | } | |
1069 | ||
4ec8e76d | 1070 | //______________________________________________________________________________ |
1071 | void AliPIDResponse::SetTPCPidResponseMaster() | |
1072 | { | |
1073 | // | |
1074 | // Load the TPC pid response functions from the OADB | |
644666df | 1075 | // Load the TPC voltage maps from OADB |
4ec8e76d | 1076 | // |
09b50a42 | 1077 | //don't load twice for the moment |
1078 | if (fArrPidResponseMaster) return; | |
1079 | ||
1080 | ||
4ec8e76d | 1081 | //reset the PID response functions |
1082 | delete fArrPidResponseMaster; | |
644666df | 1083 | fArrPidResponseMaster=NULL; |
4ec8e76d | 1084 | |
1085 | TString fileName(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data())); | |
644666df | 1086 | TFile *f=NULL; |
00a38d07 | 1087 | if (!fCustomTPCpidResponse.IsNull()) fileName=fCustomTPCpidResponse; |
4ec8e76d | 1088 | |
644666df | 1089 | TString fileNamePIDresponse(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data())); |
1090 | f=TFile::Open(fileNamePIDresponse.Data()); | |
ea235c90 | 1091 | if (f && f->IsOpen() && !f->IsZombie()){ |
1092 | fArrPidResponseMaster=dynamic_cast<TObjArray*>(f->Get("TPCPIDResponse")); | |
4ec8e76d | 1093 | } |
ea235c90 | 1094 | delete f; |
644666df | 1095 | |
1096 | TString fileNameVoltageMaps(Form("%s/COMMON/PID/data/TPCvoltageSettings.root", fOADBPath.Data())); | |
1097 | f=TFile::Open(fileNameVoltageMaps.Data()); | |
1098 | if (f && f->IsOpen() && !f->IsZombie()){ | |
1099 | fOADBvoltageMaps=dynamic_cast<AliOADBContainer*>(f->Get("TPCvoltageSettings")); | |
1100 | } | |
1101 | delete f; | |
4ec8e76d | 1102 | |
1103 | if (!fArrPidResponseMaster){ | |
644666df | 1104 | AliFatal(Form("Could not retrieve the TPC pid response from: %s",fileNamePIDresponse.Data())); |
4ec8e76d | 1105 | return; |
1106 | } | |
1107 | fArrPidResponseMaster->SetOwner(); | |
644666df | 1108 | |
1109 | if (!fOADBvoltageMaps) | |
1110 | { | |
1111 | AliFatal(Form("Could not retrieve the TPC voltage maps from: %s",fileNameVoltageMaps.Data())); | |
1112 | } | |
1113 | fArrPidResponseMaster->SetOwner(); | |
4ec8e76d | 1114 | } |
1115 | ||
1116 | //______________________________________________________________________________ | |
1117 | void AliPIDResponse::SetTPCParametrisation() | |
1118 | { | |
1119 | // | |
1120 | // Change BB parametrisation for current run | |
1121 | // | |
1122 | ||
12d3abbc | 1123 | // |
1124 | //reset old splines | |
1125 | // | |
1126 | fTPCResponse.ResetSplines(); | |
1127 | ||
4ec8e76d | 1128 | if (fLHCperiod.IsNull()) { |
12d3abbc | 1129 | AliError("No period set, not changing parametrisation"); |
4ec8e76d | 1130 | return; |
1131 | } | |
1132 | ||
1133 | // | |
1134 | // Set default parametrisations for data and MC | |
1135 | // | |
1136 | ||
1137 | //data type | |
1138 | TString datatype="DATA"; | |
1139 | //in case of mc fRecoPass is per default 1 | |
1140 | if (fIsMC) { | |
87da0205 | 1141 | if(!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) datatype="MC"; |
539a5a59 | 1142 | fRecoPass=1; |
4ec8e76d | 1143 | } |
f84b18dd | 1144 | |
4a527e08 | 1145 | // period |
1146 | TString period=fLHCperiod; | |
87da0205 | 1147 | if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) period=fMCperiodTPC; |
4a527e08 | 1148 | |
f85a3764 | 1149 | Int_t recopass = fRecoPass; |
87da0205 | 1150 | if(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) recopass = fRecoPassUser; |
f85a3764 | 1151 | |
1152 | AliInfo(Form("Searching splines for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data())); | |
4a527e08 | 1153 | Bool_t found=kFALSE; |
4ec8e76d | 1154 | // |
1155 | //set the new PID splines | |
1156 | // | |
4ec8e76d | 1157 | if (fArrPidResponseMaster){ |
4ec8e76d | 1158 | //for MC don't use period information |
644666df | 1159 | //if (fIsMC) period="[A-Z0-9]*"; |
4ec8e76d | 1160 | //for MC use MC period information |
644666df | 1161 | //pattern for the default entry (valid for all particles) |
de678885 | 1162 | TPRegexp reg(Form("TSPLINE3_%s_([A-Z]*)_%s_PASS%d_%s_MEAN(_*)([A-Z1-9]*)",datatype.Data(),period.Data(),recopass,fBeamType.Data())); |
644666df | 1163 | |
f85a3764 | 1164 | //find particle id and gain scenario |
644666df | 1165 | for (Int_t igainScenario=0; igainScenario<AliTPCPIDResponse::fgkNumberOfGainScenarios; igainScenario++) |
1166 | { | |
1167 | TObject *grAll=NULL; | |
1168 | TString gainScenario = AliTPCPIDResponse::GainScenarioName(igainScenario); | |
1169 | gainScenario.ToUpper(); | |
1170 | //loop over entries and filter them | |
1171 | for (Int_t iresp=0; iresp<fArrPidResponseMaster->GetEntriesFast();++iresp) | |
1172 | { | |
1173 | TObject *responseFunction=fArrPidResponseMaster->At(iresp); | |
1174 | if (responseFunction==NULL) continue; | |
1175 | TString responseName=responseFunction->GetName(); | |
1176 | ||
1177 | if (!reg.MatchB(responseName)) continue; | |
1178 | ||
1179 | TObjArray *arr=reg.MatchS(responseName); if (!arr) continue; | |
1180 | TObject* tmp=NULL; | |
1181 | tmp=arr->At(1); if (!tmp) continue; | |
1182 | TString particleName=tmp->GetName(); | |
1183 | tmp=arr->At(3); if (!tmp) continue; | |
1184 | TString gainScenarioName=tmp->GetName(); | |
1185 | delete arr; | |
1186 | if (particleName.IsNull()) continue; | |
1187 | if (!grAll && particleName=="ALL" && gainScenarioName==gainScenario) grAll=responseFunction; | |
1188 | else | |
1189 | { | |
1190 | for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec) | |
1191 | { | |
1192 | TString particle=AliPID::ParticleName(ispec); | |
1193 | particle.ToUpper(); | |
1194 | //std::cout<<responseName<<" "<<particle<<" "<<particleName<<" "<<gainScenario<<" "<<gainScenarioName<<std::endl; | |
1195 | if ( particle == particleName && gainScenario == gainScenarioName ) | |
1196 | { | |
1197 | fTPCResponse.SetResponseFunction( responseFunction, | |
1198 | (AliPID::EParticleType)ispec, | |
1199 | (AliTPCPIDResponse::ETPCgainScenario)igainScenario ); | |
1200 | fTPCResponse.SetUseDatabase(kTRUE); | |
1201 | AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,responseFunction->GetName())); | |
1202 | found=kTRUE; | |
644666df | 1203 | break; |
1204 | } | |
4ec8e76d | 1205 | } |
1206 | } | |
1207 | } | |
bf26ce58 | 1208 | |
1209 | // Retrieve responsefunction for pions - will (if available) be used for muons if there are no dedicated muon splines. | |
1210 | // For light nuclei, try to set the proton spline, if no dedicated splines are available. | |
1211 | // In both cases: Use default splines, if no dedicated splines and no pion/proton splines are available. | |
1212 | TObject* responseFunctionPion = fTPCResponse.GetResponseFunction( (AliPID::EParticleType)AliPID::kPion, | |
1213 | (AliTPCPIDResponse::ETPCgainScenario)igainScenario); | |
1214 | TObject* responseFunctionProton = fTPCResponse.GetResponseFunction( (AliPID::EParticleType)AliPID::kProton, | |
1215 | (AliTPCPIDResponse::ETPCgainScenario)igainScenario); | |
1216 | ||
1217 | for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec) | |
644666df | 1218 | { |
bf26ce58 | 1219 | if (!fTPCResponse.GetResponseFunction( (AliPID::EParticleType)ispec, |
1220 | (AliTPCPIDResponse::ETPCgainScenario)igainScenario)) | |
644666df | 1221 | { |
bf26ce58 | 1222 | if (ispec == AliPID::kMuon) { // Muons |
1223 | if (responseFunctionPion) { | |
1224 | fTPCResponse.SetResponseFunction( responseFunctionPion, | |
1225 | (AliPID::EParticleType)ispec, | |
1226 | (AliTPCPIDResponse::ETPCgainScenario)igainScenario ); | |
1227 | fTPCResponse.SetUseDatabase(kTRUE); | |
1228 | AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,responseFunctionPion->GetName())); | |
1229 | found=kTRUE; | |
1230 | } | |
1231 | else if (grAll) { | |
1232 | fTPCResponse.SetResponseFunction( grAll, | |
1233 | (AliPID::EParticleType)ispec, | |
1234 | (AliTPCPIDResponse::ETPCgainScenario)igainScenario ); | |
1235 | fTPCResponse.SetUseDatabase(kTRUE); | |
1236 | AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,grAll->GetName())); | |
1237 | found=kTRUE; | |
1238 | } | |
1239 | //else | |
1240 | // AliError(Form("No splines found for muons (also no pion splines and no default splines) for gain scenario %d!", igainScenario)); | |
1241 | } | |
1242 | else if (ispec >= AliPID::kSPECIES) { // Light nuclei | |
1243 | if (responseFunctionProton) { | |
1244 | fTPCResponse.SetResponseFunction( responseFunctionProton, | |
1245 | (AliPID::EParticleType)ispec, | |
1246 | (AliTPCPIDResponse::ETPCgainScenario)igainScenario ); | |
1247 | fTPCResponse.SetUseDatabase(kTRUE); | |
1248 | AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,responseFunctionProton->GetName())); | |
1249 | found=kTRUE; | |
1250 | } | |
1251 | else if (grAll) { | |
644666df | 1252 | fTPCResponse.SetResponseFunction( grAll, |
1253 | (AliPID::EParticleType)ispec, | |
1254 | (AliTPCPIDResponse::ETPCgainScenario)igainScenario ); | |
1255 | fTPCResponse.SetUseDatabase(kTRUE); | |
1256 | AliInfo(Form("Adding graph: %d %d - %s",ispec,igainScenario,grAll->GetName())); | |
1257 | found=kTRUE; | |
bf26ce58 | 1258 | } |
1259 | //else | |
1260 | // AliError(Form("No splines found for species %d (also no proton splines and no default splines) for gain scenario %d!", | |
1261 | // ispec, igainScenario)); | |
644666df | 1262 | } |
4ec8e76d | 1263 | } |
1264 | } | |
1265 | } | |
1266 | } | |
644666df | 1267 | else AliInfo("no fArrPidResponseMaster"); |
4a527e08 | 1268 | |
1269 | if (!found){ | |
f85a3764 | 1270 | AliError(Form("No splines found for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data())); |
4a527e08 | 1271 | } |
644666df | 1272 | |
87da0205 | 1273 | |
1274 | // | |
1275 | // Setup multiplicity correction | |
1276 | // | |
1277 | if (fUseTPCMultiplicityCorrection && (fBeamType.CompareTo("PBPB") == 0 || fBeamType.CompareTo("AA") == 0)) { | |
1278 | AliInfo("Multiplicity correction enabled!"); | |
1279 | ||
1280 | //TODO After testing, load parameters from outside | |
1281 | if (period.Contains("LHC11A10")) {//LHC11A10A | |
1282 | AliInfo("Using multiplicity correction parameters for 11a10!"); | |
1283 | fTPCResponse.SetParameterMultiplicityCorrection(0, 6.90133e-06); | |
1284 | fTPCResponse.SetParameterMultiplicityCorrection(1, -1.22123e-03); | |
1285 | fTPCResponse.SetParameterMultiplicityCorrection(2, 1.80220e-02); | |
1286 | fTPCResponse.SetParameterMultiplicityCorrection(3, 0.1); | |
1287 | fTPCResponse.SetParameterMultiplicityCorrection(4, 6.45306e-03); | |
1288 | ||
1289 | fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -2.85505e-07); | |
1290 | fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, -1.31911e-06); | |
1291 | fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5); | |
1292 | ||
1293 | fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, -4.29665e-05); | |
1294 | fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 1.37023e-02); | |
1295 | fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, -6.36337e-01); | |
1296 | fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.13479e-02); | |
1297 | } | |
1298 | else if (period.Contains("LHC10H") && recopass == 2) { | |
1299 | AliInfo("Using multiplicity correction parameters for 10h.pass2!"); | |
1300 | fTPCResponse.SetParameterMultiplicityCorrection(0, 3.21636e-07); | |
1301 | fTPCResponse.SetParameterMultiplicityCorrection(1, -6.65876e-04); | |
1302 | fTPCResponse.SetParameterMultiplicityCorrection(2, 1.28786e-03); | |
1303 | fTPCResponse.SetParameterMultiplicityCorrection(3, 1.47677e-02); | |
1304 | fTPCResponse.SetParameterMultiplicityCorrection(4, 0); | |
1305 | ||
1306 | fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, 7.23591e-08); | |
1307 | fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 2.7469e-06); | |
1308 | fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5); | |
1309 | ||
1310 | fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, -1.22590e-05); | |
1311 | fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 6.88888e-03); | |
1312 | fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, -3.20788e-01); | |
1313 | fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.07345e-02); | |
1314 | } | |
1315 | else { | |
1316 | AliError(Form("Multiplicity correction is enabled, but no multiplicity correction parameters have been found for period %s.pass%d -> Mulitplicity correction DISABLED!", period.Data(), recopass)); | |
1317 | fUseTPCMultiplicityCorrection = kFALSE; | |
1318 | fTPCResponse.ResetMultiplicityCorrectionFunctions(); | |
1319 | } | |
1320 | } | |
1321 | else { | |
1322 | // Just set parameters such that overall correction factor is 1, i.e. no correction. | |
1323 | // This is just a reasonable choice for the parameters for safety reasons. Disabling | |
1324 | // the multiplicity correction will anyhow skip the calculation of the corresponding | |
1325 | // correction factor inside THIS class. Nevertheless, experts can access the TPCPIDResponse | |
1326 | // directly and use it for calculations - which should still give valid results, even if | |
1327 | // the multiplicity correction is explicitely enabled in such expert calls. | |
1328 | ||
1329 | AliInfo(Form("Multiplicity correction %sdisabled (%s)!", fUseTPCMultiplicityCorrection ? "automatically " : "", | |
1330 | fUseTPCMultiplicityCorrection ? "no PbPb or AA" : "requested by user")); | |
1331 | ||
1332 | fUseTPCMultiplicityCorrection = kFALSE; | |
1333 | fTPCResponse.ResetMultiplicityCorrectionFunctions(); | |
1334 | } | |
1335 | ||
1336 | /* | |
1337 | //TODO NOW start | |
1338 | for (Int_t i = 0; i <= 4 + 1; i++) { | |
1339 | printf("parMultCorr: %d, %e\n", i, fTPCResponse.GetMultiplicityCorrectionFunction()->GetParameter(i)); | |
1340 | } | |
1341 | for (Int_t j = 0; j <= 2 + 1; j++) { | |
1342 | printf("parMultCorrTanTheta: %d, %e\n", j, fTPCResponse.GetMultiplicityCorrectionFunctionTanTheta()->GetParameter(j)); | |
1343 | } | |
1344 | for (Int_t j = 0; j <= 3 + 1; j++) { | |
1345 | printf("parMultSigmaCorr: %d, %e\n", j, fTPCResponse.GetMultiplicitySigmaCorrectionFunction()->GetParameter(j)); | |
1346 | } | |
1347 | ||
1348 | //TODO NOW end | |
1349 | */ | |
1350 | ||
4ec8e76d | 1351 | // |
87da0205 | 1352 | // Setup old resolution parametrisation |
4ec8e76d | 1353 | // |
1354 | ||
1355 | //default | |
1356 | fTPCResponse.SetSigma(3.79301e-03, 2.21280e+04); | |
1357 | ||
1358 | if (fRun>=122195){ | |
1359 | fTPCResponse.SetSigma(2.30176e-02, 5.60422e+02); | |
1360 | } | |
8af51a65 | 1361 | |
1362 | if (fRun>=186636){ | |
1363 | // if (fRun>=188356){ | |
723c4874 | 1364 | fTPCResponse.SetSigma(8.62022e-04, 9.08156e+05); |
1365 | } | |
1366 | ||
23425eb2 | 1367 | if (fArrPidResponseMaster) |
f85a3764 | 1368 | fResolutionCorrection=(TF1*)fArrPidResponseMaster->FindObject(Form("TF1_%s_ALL_%s_PASS%d_%s_SIGMA",datatype.Data(),period.Data(),recopass,fBeamType.Data())); |
4ec8e76d | 1369 | |
1370 | if (fResolutionCorrection) AliInfo(Form("Setting multiplicity correction function: %s",fResolutionCorrection->GetName())); | |
644666df | 1371 | |
1372 | //read in the voltage map | |
12d3abbc | 1373 | TVectorF* gsm = 0x0; |
1374 | if (fOADBvoltageMaps) gsm=dynamic_cast<TVectorF*>(fOADBvoltageMaps->GetObject(fRun)); | |
644666df | 1375 | if (gsm) |
1376 | { | |
1377 | fTPCResponse.SetVoltageMap(*gsm); | |
1378 | TString vals; | |
1379 | AliInfo(Form("Reading the voltage map for run %d\n",fRun)); | |
1380 | vals="IROC A: "; for (Int_t i=0; i<18; i++){vals+=Form("%.2f ",(*gsm)[i]);} | |
1381 | AliInfo(vals.Data()); | |
1382 | vals="IROC C: "; for (Int_t i=18; i<36; i++){vals+=Form("%.2f ",(*gsm)[i]);} | |
1383 | AliInfo(vals.Data()); | |
1384 | vals="OROC A: "; for (Int_t i=36; i<54; i++){vals+=Form("%.2f ",(*gsm)[i]);} | |
1385 | AliInfo(vals.Data()); | |
1386 | vals="OROC C: "; for (Int_t i=54; i<72; i++){vals+=Form("%.2f ",(*gsm)[i]);} | |
1387 | AliInfo(vals.Data()); | |
1388 | } | |
1389 | else AliInfo("no voltage map, ideal default assumed"); | |
4ec8e76d | 1390 | } |
1391 | ||
ea235c90 | 1392 | //______________________________________________________________________________ |
1393 | void AliPIDResponse::SetTRDPidResponseMaster() | |
1394 | { | |
1395 | // | |
1396 | // Load the TRD pid params and references from the OADB | |
1397 | // | |
db0e2c5f | 1398 | if(fTRDPIDResponseObject) return; |
53d016dc | 1399 | AliOADBContainer contParams("contParams"); |
1400 | ||
db0e2c5f | 1401 | Int_t statusResponse = contParams.InitFromFile(Form("%s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()), "AliTRDPIDResponseObject"); |
1402 | if(statusResponse){ | |
1403 | AliError("Failed initializing PID Response Object from OADB"); | |
59a8e853 | 1404 | } else { |
db0e2c5f | 1405 | AliInfo(Form("Loading TRD Response from %s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data())); |
1406 | fTRDPIDResponseObject = dynamic_cast<AliTRDPIDResponseObject *>(contParams.GetObject(fRun)); | |
1407 | if(!fTRDPIDResponseObject){ | |
1408 | AliError(Form("TRD Response not found in run %d", fRun)); | |
59a8e853 | 1409 | } |
1410 | } | |
ea235c90 | 1411 | } |
1412 | ||
1413 | //______________________________________________________________________________ | |
1414 | void AliPIDResponse::InitializeTRDResponse(){ | |
1415 | // | |
1416 | // Set PID Params and references to the TRD PID response | |
1417 | // | |
db0e2c5f | 1418 | fTRDResponse.SetPIDResponseObject(fTRDPIDResponseObject); |
f2762b1c | 1419 | } |
1420 | ||
bd58d4b9 | 1421 | //______________________________________________________________________________ |
1422 | void AliPIDResponse::SetTRDSlices(UInt_t TRDslicesForPID[2],AliTRDPIDResponse::ETRDPIDMethod method) const{ | |
1423 | ||
72abc110 | 1424 | if(fLHCperiod.Contains("LHC10D") || fLHCperiod.Contains("LHC10E")){ |
bd58d4b9 | 1425 | // backward compatibility for setting with 8 slices |
1426 | TRDslicesForPID[0] = 0; | |
1427 | TRDslicesForPID[1] = 7; | |
f2762b1c | 1428 | } |
bd58d4b9 | 1429 | else{ |
1430 | if(method==AliTRDPIDResponse::kLQ1D){ | |
1431 | TRDslicesForPID[0] = 0; // first Slice contains normalized dEdx | |
1432 | TRDslicesForPID[1] = 0; | |
1433 | } | |
1434 | if(method==AliTRDPIDResponse::kLQ2D){ | |
1435 | TRDslicesForPID[0] = 1; | |
1436 | TRDslicesForPID[1] = 7; | |
1437 | } | |
db0e2c5f | 1438 | } |
bd58d4b9 | 1439 | AliDebug(1,Form("Slice Range set to %d - %d",TRDslicesForPID[0],TRDslicesForPID[1])); |
ea235c90 | 1440 | } |
1441 | ||
b79db598 | 1442 | //______________________________________________________________________________ |
1443 | void AliPIDResponse::SetTOFPidResponseMaster() | |
1444 | { | |
1445 | // | |
1446 | // Load the TOF pid params from the OADB | |
1447 | // | |
00a38d07 | 1448 | |
1449 | if (fTOFPIDParams) delete fTOFPIDParams; | |
644666df | 1450 | fTOFPIDParams=NULL; |
00a38d07 | 1451 | |
b79db598 | 1452 | TFile *oadbf = new TFile(Form("%s/COMMON/PID/data/TOFPIDParams.root",fOADBPath.Data())); |
00a38d07 | 1453 | if (oadbf && oadbf->IsOpen()) { |
b79db598 | 1454 | AliInfo(Form("Loading TOF Params from %s/COMMON/PID/data/TOFPIDParams.root", fOADBPath.Data())); |
1455 | AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("TOFoadb"); | |
00a38d07 | 1456 | if (oadbc) fTOFPIDParams = dynamic_cast<AliTOFPIDParams *>(oadbc->GetObject(fRun,"TOFparams")); |
b79db598 | 1457 | oadbf->Close(); |
1458 | delete oadbc; | |
b79db598 | 1459 | } |
1460 | delete oadbf; | |
1461 | ||
00a38d07 | 1462 | if (!fTOFPIDParams) AliFatal("TOFPIDParams could not be retrieved"); |
1463 | } | |
b79db598 | 1464 | |
1465 | //______________________________________________________________________________ | |
1466 | void AliPIDResponse::InitializeTOFResponse(){ | |
1467 | // | |
1468 | // Set PID Params to the TOF PID response | |
00a38d07 | 1469 | // |
1470 | ||
1471 | AliInfo("TOF PID Params loaded from OADB"); | |
1472 | AliInfo(Form(" TOF resolution %5.2f [ps]",fTOFPIDParams->GetTOFresolution())); | |
1473 | AliInfo(Form(" StartTime method %d",fTOFPIDParams->GetStartTimeMethod())); | |
1474 | AliInfo(Form(" TOF res. mom. params: %5.2f %5.2f %5.2f %5.2f", | |
1475 | fTOFPIDParams->GetSigParams(0),fTOFPIDParams->GetSigParams(1),fTOFPIDParams->GetSigParams(2),fTOFPIDParams->GetSigParams(3))); | |
1476 | ||
b79db598 | 1477 | for (Int_t i=0;i<4;i++) { |
1478 | fTOFResponse.SetTrackParameter(i,fTOFPIDParams->GetSigParams(i)); | |
1479 | } | |
1480 | fTOFResponse.SetTimeResolution(fTOFPIDParams->GetTOFresolution()); | |
1481 | ||
78cbd205 | 1482 | AliInfo("TZERO resolution loaded from ESDrun/AODheader"); |
1483 | Float_t t0Spread[4]; | |
1484 | for (Int_t i=0;i<4;i++) t0Spread[i]=fCurrentEvent->GetT0spread(i); | |
1485 | 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])); | |
1486 | Float_t a = t0Spread[1]*t0Spread[1]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3]; | |
1487 | Float_t c = t0Spread[2]*t0Spread[2]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3]; | |
1488 | if ( (t0Spread[0] > 50. && t0Spread[0] < 400.) && (a > 0.) && (c>0.)) { | |
1489 | fResT0AC=t0Spread[3]; | |
1490 | fResT0A=TMath::Sqrt(a); | |
1491 | fResT0C=TMath::Sqrt(c); | |
1492 | } else { | |
1493 | AliInfo(" TZERO spreads not present or inconsistent, loading default"); | |
1494 | fResT0A=75.; | |
1495 | fResT0C=65.; | |
1496 | fResT0AC=55.; | |
1497 | } | |
1498 | AliInfo(Form(" TZERO resolution set to: T0A: %f [ps] T0C: %f [ps] T0AC %f [ps]",fResT0A,fResT0C,fResT0AC)); | |
1499 | ||
b79db598 | 1500 | } |
1501 | ||
567624b5 | 1502 | //______________________________________________________________________________ |
1503 | void AliPIDResponse::SetHMPIDPidResponseMaster() | |
1504 | { | |
1505 | // | |
1506 | // Load the HMPID pid params from the OADB | |
1507 | // | |
1508 | ||
1509 | if (fHMPIDPIDParams) delete fHMPIDPIDParams; | |
1510 | fHMPIDPIDParams=NULL; | |
1511 | ||
1512 | TFile *oadbf = new TFile(Form("%s/COMMON/PID/data/HMPIDPIDParams.root",fOADBPath.Data())); | |
1513 | if (oadbf && oadbf->IsOpen()) { | |
1514 | AliInfo(Form("Loading HMPID Params from %s/COMMON/PID/data/HMPIDPIDParams.root", fOADBPath.Data())); | |
1515 | AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("HMPoadb"); | |
1516 | if (oadbc) fHMPIDPIDParams = dynamic_cast<AliHMPIDPIDParams *>(oadbc->GetObject(fRun,"HMPparams")); | |
1517 | oadbf->Close(); | |
1518 | delete oadbc; | |
1519 | } | |
1520 | delete oadbf; | |
1521 | ||
1522 | if (!fHMPIDPIDParams) AliFatal("HMPIDPIDParams could not be retrieved"); | |
1523 | } | |
1524 | ||
1525 | //______________________________________________________________________________ | |
1526 | void AliPIDResponse::InitializeHMPIDResponse(){ | |
1527 | // | |
1528 | // Set PID Params to the HMPID PID response | |
1529 | // | |
1530 | ||
1531 | fHMPIDResponse.SetRefIndexArray(fHMPIDPIDParams->GetHMPIDrefIndex()); | |
1532 | } | |
b79db598 | 1533 | |
1c9d11be | 1534 | //______________________________________________________________________________ |
bd58d4b9 | 1535 | Bool_t AliPIDResponse::IdentifiedAsElectronTRD(const AliVTrack *vtrack, Double_t efficiencyLevel,Double_t centrality,AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const { |
ea235c90 | 1536 | // |
1537 | // Check whether track is identified as electron under a given electron efficiency hypothesis | |
bd58d4b9 | 1538 | // |
1539 | ||
ea235c90 | 1540 | Double_t probs[AliPID::kSPECIES]; |
bd58d4b9 | 1541 | ComputeTRDProbability(vtrack, AliPID::kSPECIES, probs,PIDmethod); |
ea235c90 | 1542 | |
99e9d5ec | 1543 | Int_t ntracklets = vtrack->GetTRDntrackletsPID(); |
1544 | // Take mean of the TRD momenta in the given tracklets | |
1545 | Float_t p = 0, trdmomenta[AliVTrack::kTRDnPlanes]; | |
1546 | Int_t nmomenta = 0; | |
ea235c90 | 1547 | for(Int_t iPl=0;iPl<AliVTrack::kTRDnPlanes;iPl++){ |
1548 | if(vtrack->GetTRDmomentum(iPl) > 0.){ | |
99e9d5ec | 1549 | trdmomenta[nmomenta++] = vtrack->GetTRDmomentum(iPl); |
ea235c90 | 1550 | } |
1551 | } | |
99e9d5ec | 1552 | p = TMath::Mean(nmomenta, trdmomenta); |
ea235c90 | 1553 | |
bd58d4b9 | 1554 | return fTRDResponse.IdentifiedAsElectron(ntracklets, probs, p, efficiencyLevel,centrality,PIDmethod); |
ea235c90 | 1555 | } |
1556 | ||
b2138b40 | 1557 | //______________________________________________________________________________ |
1558 | void AliPIDResponse::SetEMCALPidResponseMaster() | |
1559 | { | |
1560 | // | |
1561 | // Load the EMCAL pid response functions from the OADB | |
1562 | // | |
1563 | TObjArray* fEMCALPIDParamsRun = NULL; | |
1564 | TObjArray* fEMCALPIDParamsPass = NULL; | |
1565 | ||
1566 | if(fEMCALPIDParams) return; | |
1567 | AliOADBContainer contParams("contParams"); | |
1568 | ||
1569 | Int_t statusPars = contParams.InitFromFile(Form("%s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()), "AliEMCALPIDParams"); | |
1570 | if(statusPars){ | |
1571 | AliError("Failed initializing PID Params from OADB"); | |
1572 | } | |
1573 | else { | |
1574 | AliInfo(Form("Loading EMCAL Params from %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data())); | |
1575 | ||
1576 | fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(fRun)); | |
1577 | if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",fRecoPass))); | |
1578 | if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles"))); | |
1579 | ||
1580 | if(!fEMCALPIDParams){ | |
f8d39067 | 1581 | AliInfo(Form("EMCAL Params not found in run %d pass %d", fRun, fRecoPass)); |
1f631618 | 1582 | AliInfo("Will take the standard LHC11d instead ..."); |
b2138b40 | 1583 | |
1f631618 | 1584 | fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(156477)); |
1585 | if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",1))); | |
b2138b40 | 1586 | if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles"))); |
1587 | ||
1588 | if(!fEMCALPIDParams){ | |
1f631618 | 1589 | AliError(Form("DEFAULT EMCAL Params (LHC11d) not found in file %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data())); |
b2138b40 | 1590 | } |
1591 | } | |
1592 | } | |
1593 | } | |
1594 | ||
1595 | //______________________________________________________________________________ | |
1596 | void AliPIDResponse::InitializeEMCALResponse(){ | |
1597 | // | |
1598 | // Set PID Params to the EMCAL PID response | |
1599 | // | |
1600 | fEMCALResponse.SetPIDParams(fEMCALPIDParams); | |
1601 | ||
1602 | } | |
00a38d07 | 1603 | |
1c9d11be | 1604 | //______________________________________________________________________________ |
1605 | void AliPIDResponse::FillTrackDetectorPID(const AliVTrack *track, EDetector detector) const | |
00a38d07 | 1606 | { |
1607 | // | |
1608 | // create detector PID information and setup the transient pointer in the track | |
1609 | // | |
1c9d11be | 1610 | |
1611 | // check if detector number is inside accepted range | |
1612 | if (detector == kNdetectors) return; | |
1613 | ||
1614 | // get detector pid | |
1615 | AliDetectorPID *detPID=const_cast<AliDetectorPID*>(track->GetDetectorPID()); | |
1616 | if (!detPID) { | |
1617 | detPID=new AliDetectorPID; | |
1618 | (const_cast<AliVTrack*>(track))->SetDetectorPID(detPID); | |
1619 | } | |
1620 | ||
1621 | //check if values exist | |
355b831b | 1622 | if (detPID->HasRawProbability(detector) && detPID->HasNumberOfSigmas(detector)) return; |
00a38d07 | 1623 | |
1624 | //TODO: which particles to include? See also the loops below... | |
1625 | Double_t values[AliPID::kSPECIESC]={0}; | |
1c9d11be | 1626 | |
355b831b | 1627 | //probabilities |
1628 | EDetPidStatus status=GetComputePIDProbability(detector,track,AliPID::kSPECIESC,values); | |
1629 | detPID->SetRawProbability(detector, values, (Int_t)AliPID::kSPECIESC, status); | |
1630 | ||
1c9d11be | 1631 | //nsigmas |
1632 | for (Int_t ipart=0; ipart<AliPID::kSPECIESC; ++ipart) | |
1633 | values[ipart]=GetNumberOfSigmas(detector,track,(AliPID::EParticleType)ipart); | |
355b831b | 1634 | // the pid status is the same for probabilities and nSigmas, so it is |
1635 | // fine to use the one from the probabilities also here | |
1636 | detPID->SetNumberOfSigmas(detector, values, (Int_t)AliPID::kSPECIESC, status); | |
1c9d11be | 1637 | |
1c9d11be | 1638 | } |
1639 | ||
1640 | //______________________________________________________________________________ | |
1641 | void AliPIDResponse::FillTrackDetectorPID() | |
1642 | { | |
1643 | // | |
1644 | // create detector PID information and setup the transient pointer in the track | |
1645 | // | |
1646 | ||
1647 | if (!fCurrentEvent) return; | |
00a38d07 | 1648 | |
1649 | for (Int_t itrack=0; itrack<fCurrentEvent->GetNumberOfTracks(); ++itrack){ | |
1650 | AliVTrack *track=dynamic_cast<AliVTrack*>(fCurrentEvent->GetTrack(itrack)); | |
1651 | if (!track) continue; | |
1652 | ||
00a38d07 | 1653 | for (Int_t idet=0; idet<kNdetectors; ++idet){ |
1c9d11be | 1654 | FillTrackDetectorPID(track, (EDetector)idet); |
00a38d07 | 1655 | } |
00a38d07 | 1656 | } |
1657 | } | |
1658 | ||
1c9d11be | 1659 | //______________________________________________________________________________ |
5f8db5fe | 1660 | void AliPIDResponse::SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option){ |
1661 | // | |
1662 | // Set TOF response function | |
1663 | // Input option for event_time used | |
1664 | // | |
1665 | ||
1666 | Float_t t0spread = 0.; //vevent->GetEventTimeSpread(); | |
1667 | if(t0spread < 10) t0spread = 80; | |
1668 | ||
1669 | // T0 from TOF algorithm | |
1670 | ||
1671 | Bool_t flagT0TOF=kFALSE; | |
1672 | Bool_t flagT0T0=kFALSE; | |
1673 | Float_t *startTime = new Float_t[fTOFResponse.GetNmomBins()]; | |
1674 | Float_t *startTimeRes = new Float_t[fTOFResponse.GetNmomBins()]; | |
1675 | Int_t *startTimeMask = new Int_t[fTOFResponse.GetNmomBins()]; | |
1676 | ||
1677 | // T0-TOF arrays | |
1678 | Float_t *estimatedT0event = new Float_t[fTOFResponse.GetNmomBins()]; | |
1679 | Float_t *estimatedT0resolution = new Float_t[fTOFResponse.GetNmomBins()]; | |
1680 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1681 | estimatedT0event[i]=0.0; | |
1682 | estimatedT0resolution[i]=0.0; | |
1683 | startTimeMask[i] = 0; | |
1684 | } | |
1685 | ||
78cbd205 | 1686 | Float_t resT0A=fResT0A; |
1687 | Float_t resT0C=fResT0C; | |
1688 | Float_t resT0AC=fResT0AC; | |
5f8db5fe | 1689 | if(vevent->GetT0TOF()){ // check if T0 detector information is available |
1690 | flagT0T0=kTRUE; | |
1691 | } | |
1692 | ||
1693 | ||
1694 | AliTOFHeader *tofHeader = (AliTOFHeader*)vevent->GetTOFHeader(); | |
1695 | ||
1696 | if (tofHeader) { // read global info and T0-TOF | |
1697 | fTOFResponse.SetTimeResolution(tofHeader->GetTOFResolution()); | |
1698 | t0spread = tofHeader->GetT0spread(); // read t0 sprad | |
1699 | if(t0spread < 10) t0spread = 80; | |
1700 | ||
1701 | flagT0TOF=kTRUE; | |
1702 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ // read T0-TOF default value | |
1703 | startTime[i]=tofHeader->GetDefaultEventTimeVal(); | |
1704 | startTimeRes[i]=tofHeader->GetDefaultEventTimeRes(); | |
1705 | if(startTimeRes[i] < 1.e-5) startTimeRes[i] = t0spread; | |
1706 | } | |
1707 | ||
1708 | TArrayI *ibin=(TArrayI*)tofHeader->GetNvalues(); | |
1709 | TArrayF *t0Bin=(TArrayF*)tofHeader->GetEventTimeValues(); | |
1710 | TArrayF *t0ResBin=(TArrayF*)tofHeader->GetEventTimeRes(); | |
1711 | for(Int_t j=0;j < tofHeader->GetNbins();j++){ // fill T0-TOF in p-bins | |
1712 | Int_t icurrent = (Int_t)ibin->GetAt(j); | |
1713 | startTime[icurrent]=t0Bin->GetAt(j); | |
1714 | startTimeRes[icurrent]=t0ResBin->GetAt(j); | |
1715 | if(startTimeRes[icurrent] < 1.e-5) startTimeRes[icurrent] = t0spread; | |
1716 | } | |
1717 | } | |
1718 | ||
1719 | // for cut of 3 sigma on t0 spread | |
1720 | Float_t t0cut = 3 * t0spread; | |
1721 | if(t0cut < 500) t0cut = 500; | |
1722 | ||
1723 | if(option == kFILL_T0){ // T0-FILL is used | |
1724 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1725 | estimatedT0event[i]=0.0; | |
1726 | estimatedT0resolution[i]=t0spread; | |
1727 | } | |
1728 | fTOFResponse.SetT0event(estimatedT0event); | |
1729 | fTOFResponse.SetT0resolution(estimatedT0resolution); | |
1730 | } | |
1731 | ||
1732 | if(option == kTOF_T0){ // T0-TOF is used when available (T0-FILL otherwise) from ESD | |
1733 | if(flagT0TOF){ | |
1734 | fTOFResponse.SetT0event(startTime); | |
1735 | fTOFResponse.SetT0resolution(startTimeRes); | |
1736 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1737 | if(startTimeRes[i]<t0spread) startTimeMask[i]=1; | |
1738 | fTOFResponse.SetT0binMask(i,startTimeMask[i]); | |
1739 | } | |
1740 | } | |
1741 | else{ | |
1742 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1743 | estimatedT0event[i]=0.0; | |
1744 | estimatedT0resolution[i]=t0spread; | |
1745 | fTOFResponse.SetT0binMask(i,startTimeMask[i]); | |
1746 | } | |
1747 | fTOFResponse.SetT0event(estimatedT0event); | |
1748 | fTOFResponse.SetT0resolution(estimatedT0resolution); | |
1749 | } | |
1750 | } | |
1751 | else if(option == kBest_T0){ // T0-T0 or T0-TOF are used when available (T0-FILL otherwise) from ESD | |
1752 | Float_t t0AC=-10000; | |
1753 | Float_t t0A=-10000; | |
1754 | Float_t t0C=-10000; | |
1755 | if(flagT0T0){ | |
5f8db5fe | 1756 | t0A= vevent->GetT0TOF()[1]; |
1757 | t0C= vevent->GetT0TOF()[2]; | |
f84b18dd | 1758 | // t0AC= vevent->GetT0TOF()[0]; |
1759 | t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C; | |
1760 | resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C); | |
1761 | t0AC /= resT0AC*resT0AC; | |
5f8db5fe | 1762 | } |
1763 | ||
1764 | Float_t t0t0Best = 0; | |
1765 | Float_t t0t0BestRes = 9999; | |
1766 | Int_t t0used=0; | |
1767 | if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){ | |
1768 | t0t0Best = t0AC; | |
1769 | t0t0BestRes = resT0AC; | |
1770 | t0used=6; | |
1771 | } | |
1772 | else if(TMath::Abs(t0C) < t0cut){ | |
1773 | t0t0Best = t0C; | |
1774 | t0t0BestRes = resT0C; | |
1775 | t0used=4; | |
1776 | } | |
1777 | else if(TMath::Abs(t0A) < t0cut){ | |
1778 | t0t0Best = t0A; | |
1779 | t0t0BestRes = resT0A; | |
1780 | t0used=2; | |
1781 | } | |
1782 | ||
1783 | if(flagT0TOF){ // if T0-TOF info is available | |
1784 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1785 | if(t0t0BestRes < 999){ | |
1786 | if(startTimeRes[i] < t0spread){ | |
1787 | Double_t wtot = 1./startTimeRes[i]/startTimeRes[i] + 1./t0t0BestRes/t0t0BestRes; | |
1788 | Double_t t0best = startTime[i]/startTimeRes[i]/startTimeRes[i] + t0t0Best/t0t0BestRes/t0t0BestRes; | |
1789 | estimatedT0event[i]=t0best / wtot; | |
1790 | estimatedT0resolution[i]=1./TMath::Sqrt(wtot); | |
1791 | startTimeMask[i] = t0used+1; | |
1792 | } | |
1793 | else { | |
1794 | estimatedT0event[i]=t0t0Best; | |
1795 | estimatedT0resolution[i]=t0t0BestRes; | |
1796 | startTimeMask[i] = t0used; | |
1797 | } | |
1798 | } | |
1799 | else{ | |
1800 | estimatedT0event[i]=startTime[i]; | |
1801 | estimatedT0resolution[i]=startTimeRes[i]; | |
1802 | if(startTimeRes[i]<t0spread) startTimeMask[i]=1; | |
1803 | } | |
1804 | fTOFResponse.SetT0binMask(i,startTimeMask[i]); | |
1805 | } | |
1806 | fTOFResponse.SetT0event(estimatedT0event); | |
1807 | fTOFResponse.SetT0resolution(estimatedT0resolution); | |
1808 | } | |
1809 | else{ // if no T0-TOF info is available | |
1810 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1811 | fTOFResponse.SetT0binMask(i,t0used); | |
1812 | if(t0t0BestRes < 999){ | |
1813 | estimatedT0event[i]=t0t0Best; | |
1814 | estimatedT0resolution[i]=t0t0BestRes; | |
1815 | } | |
1816 | else{ | |
1817 | estimatedT0event[i]=0.0; | |
1818 | estimatedT0resolution[i]=t0spread; | |
1819 | } | |
1820 | } | |
1821 | fTOFResponse.SetT0event(estimatedT0event); | |
1822 | fTOFResponse.SetT0resolution(estimatedT0resolution); | |
1823 | } | |
1824 | } | |
1825 | ||
1826 | else if(option == kT0_T0){ // T0-T0 is used when available (T0-FILL otherwise) | |
1827 | Float_t t0AC=-10000; | |
1828 | Float_t t0A=-10000; | |
1829 | Float_t t0C=-10000; | |
1830 | if(flagT0T0){ | |
5f8db5fe | 1831 | t0A= vevent->GetT0TOF()[1]; |
1832 | t0C= vevent->GetT0TOF()[2]; | |
f84b18dd | 1833 | // t0AC= vevent->GetT0TOF()[0]; |
1834 | t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C; | |
1835 | resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C); | |
1836 | t0AC /= resT0AC*resT0AC; | |
5f8db5fe | 1837 | } |
1838 | ||
1839 | if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){ | |
1840 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1841 | estimatedT0event[i]=t0AC; | |
1842 | estimatedT0resolution[i]=resT0AC; | |
1843 | fTOFResponse.SetT0binMask(i,6); | |
1844 | } | |
1845 | } | |
1846 | else if(TMath::Abs(t0C) < t0cut){ | |
1847 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1848 | estimatedT0event[i]=t0C; | |
1849 | estimatedT0resolution[i]=resT0C; | |
1850 | fTOFResponse.SetT0binMask(i,4); | |
1851 | } | |
1852 | } | |
1853 | else if(TMath::Abs(t0A) < t0cut){ | |
1854 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1855 | estimatedT0event[i]=t0A; | |
1856 | estimatedT0resolution[i]=resT0A; | |
1857 | fTOFResponse.SetT0binMask(i,2); | |
1858 | } | |
1859 | } | |
1860 | else{ | |
1861 | for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ | |
1862 | estimatedT0event[i]=0.0; | |
1863 | estimatedT0resolution[i]=t0spread; | |
1864 | fTOFResponse.SetT0binMask(i,0); | |
1865 | } | |
1866 | } | |
1867 | fTOFResponse.SetT0event(estimatedT0event); | |
1868 | fTOFResponse.SetT0resolution(estimatedT0resolution); | |
1869 | } | |
1870 | delete [] startTime; | |
1871 | delete [] startTimeRes; | |
1872 | delete [] startTimeMask; | |
1873 | delete [] estimatedT0event; | |
1874 | delete [] estimatedT0resolution; | |
1875 | } | |
1c9d11be | 1876 | |
1877 | //______________________________________________________________________________ | |
1878 | // private non cached versions of the PID calculation | |
1879 | // | |
1880 | ||
1881 | ||
1882 | //______________________________________________________________________________ | |
355b831b | 1883 | Float_t AliPIDResponse::GetNumberOfSigmas(EDetector detector, const AliVParticle *vtrack, AliPID::EParticleType type) const |
1c9d11be | 1884 | { |
1885 | // | |
1886 | // NumberOfSigmas for 'detCode' | |
1887 | // | |
355b831b | 1888 | |
1889 | const AliVTrack *track=static_cast<const AliVTrack*>(vtrack); | |
1c9d11be | 1890 | |
355b831b | 1891 | switch (detector){ |
567624b5 | 1892 | case kITS: return GetNumberOfSigmasITS(track, type); break; |
1893 | case kTPC: return GetNumberOfSigmasTPC(track, type); break; | |
1894 | case kTOF: return GetNumberOfSigmasTOF(track, type); break; | |
1895 | case kHMPID: return GetNumberOfSigmasHMPID(track, type); break; | |
1c9d11be | 1896 | case kEMCAL: return GetNumberOfSigmasEMCAL(track, type); break; |
1897 | default: return -999.; | |
1898 | } | |
1c9d11be | 1899 | |
355b831b | 1900 | return -999.; |
1901 | } | |
1c9d11be | 1902 | |
1903 | //______________________________________________________________________________ | |
1904 | Float_t AliPIDResponse::GetNumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
1905 | { | |
1906 | // | |
1907 | // Calculate the number of sigmas in the ITS | |
1908 | // | |
1909 | ||
1910 | AliVTrack *track=(AliVTrack*)vtrack; | |
355b831b | 1911 | |
1912 | const EDetPidStatus pidStatus=GetITSPIDStatus(track); | |
1913 | if (pidStatus!=kDetPidOk) return -999.; | |
355b831b | 1914 | |
567624b5 | 1915 | return fITSResponse.GetNumberOfSigmas(track,type); |
1c9d11be | 1916 | } |
1917 | ||
1918 | //______________________________________________________________________________ | |
1919 | Float_t AliPIDResponse::GetNumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
1920 | { | |
1921 | // | |
1922 | // Calculate the number of sigmas in the TPC | |
1923 | // | |
1924 | ||
1925 | AliVTrack *track=(AliVTrack*)vtrack; | |
355b831b | 1926 | |
1927 | const EDetPidStatus pidStatus=GetTPCPIDStatus(track); | |
1928 | if (pidStatus!=kDetPidOk) return -999.; | |
1d59271b | 1929 | |
1930 | // the following call is needed in order to fill the transient data member | |
1931 | // fTPCsignalTuned which is used in the TPCPIDResponse to judge | |
1932 | // if using tuned on data | |
87da0205 | 1933 | if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) |
1934 | this->GetTPCsignalTunedOnData(track); | |
1c9d11be | 1935 | |
87da0205 | 1936 | return fTPCResponse.GetNumberOfSigmas(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection); |
1c9d11be | 1937 | } |
1938 | ||
1939 | //______________________________________________________________________________ | |
355b831b | 1940 | Float_t AliPIDResponse::GetNumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const |
1c9d11be | 1941 | { |
1942 | // | |
355b831b | 1943 | // Calculate the number of sigmas in the TOF |
1c9d11be | 1944 | // |
1945 | ||
1946 | AliVTrack *track=(AliVTrack*)vtrack; | |
355b831b | 1947 | |
1948 | const EDetPidStatus pidStatus=GetTOFPIDStatus(track); | |
1949 | if (pidStatus!=kDetPidOk) return -999.; | |
1c9d11be | 1950 | |
355b831b | 1951 | return GetNumberOfSigmasTOFold(vtrack, type); |
1952 | } | |
567624b5 | 1953 | //______________________________________________________________________________ |
1954 | ||
1955 | Float_t AliPIDResponse::GetNumberOfSigmasHMPID(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
1956 | { | |
1957 | // | |
1958 | // Calculate the number of sigmas in the HMPID | |
1959 | // | |
1960 | AliVTrack *track=(AliVTrack*)vtrack; | |
1961 | ||
1962 | const EDetPidStatus pidStatus=GetHMPIDPIDStatus(track); | |
1963 | if (pidStatus!=kDetPidOk) return -999.; | |
1964 | ||
1965 | return fHMPIDResponse.GetNumberOfSigmas(track, type); | |
1966 | } | |
355b831b | 1967 | |
1968 | //______________________________________________________________________________ | |
1969 | Float_t AliPIDResponse::GetNumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const | |
1970 | { | |
1971 | // | |
1972 | // Calculate the number of sigmas in the EMCAL | |
1973 | // | |
1c9d11be | 1974 | |
355b831b | 1975 | AliVTrack *track=(AliVTrack*)vtrack; |
1976 | ||
1977 | const EDetPidStatus pidStatus=GetEMCALPIDStatus(track); | |
1978 | if (pidStatus!=kDetPidOk) return -999.; | |
1979 | ||
1980 | const Int_t nMatchClus = track->GetEMCALcluster(); | |
1981 | AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus); | |
1c9d11be | 1982 | |
355b831b | 1983 | const Double_t mom = track->P(); |
1984 | const Double_t pt = track->Pt(); | |
1985 | const Int_t charge = track->Charge(); | |
1986 | const Double_t fClsE = matchedClus->E(); | |
1987 | const Double_t EovP = fClsE/mom; | |
1c9d11be | 1988 | |
355b831b | 1989 | return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge); |
1c9d11be | 1990 | } |
1991 | ||
567624b5 | 1992 | //______________________________________________________________________________ |
1d59271b | 1993 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaITS(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const |
567624b5 | 1994 | { |
1995 | // | |
1996 | // Signal minus expected Signal for ITS | |
1997 | // | |
1998 | AliVTrack *track=(AliVTrack*)vtrack; | |
1d59271b | 1999 | val=fITSResponse.GetSignalDelta(track,type,ratio); |
567624b5 | 2000 | |
2001 | return GetITSPIDStatus(track); | |
2002 | } | |
2003 | ||
2004 | //______________________________________________________________________________ | |
1d59271b | 2005 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTPC(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const |
567624b5 | 2006 | { |
2007 | // | |
2008 | // Signal minus expected Signal for TPC | |
2009 | // | |
2010 | AliVTrack *track=(AliVTrack*)vtrack; | |
1d59271b | 2011 | |
2012 | // the following call is needed in order to fill the transient data member | |
2013 | // fTPCsignalTuned which is used in the TPCPIDResponse to judge | |
2014 | // if using tuned on data | |
87da0205 | 2015 | if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) |
1d59271b | 2016 | this->GetTPCsignalTunedOnData(track); |
2017 | ||
87da0205 | 2018 | val=fTPCResponse.GetSignalDelta(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection, ratio); |
567624b5 | 2019 | |
2020 | return GetTPCPIDStatus(track); | |
2021 | } | |
2022 | ||
2023 | //______________________________________________________________________________ | |
1d59271b | 2024 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTOF(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const |
567624b5 | 2025 | { |
2026 | // | |
2027 | // Signal minus expected Signal for TOF | |
2028 | // | |
2029 | AliVTrack *track=(AliVTrack*)vtrack; | |
1d59271b | 2030 | val=GetSignalDeltaTOFold(track, type, ratio); |
87da0205 | 2031 | |
567624b5 | 2032 | return GetTOFPIDStatus(track); |
2033 | } | |
2034 | ||
2035 | //______________________________________________________________________________ | |
1d59271b | 2036 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaHMPID(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const |
567624b5 | 2037 | { |
2038 | // | |
2039 | // Signal minus expected Signal for HMPID | |
2040 | // | |
2041 | AliVTrack *track=(AliVTrack*)vtrack; | |
1d59271b | 2042 | val=fHMPIDResponse.GetSignalDelta(track, type, ratio); |
567624b5 | 2043 | |
2044 | return GetHMPIDPIDStatus(track); | |
2045 | } | |
1c9d11be | 2046 | |
2047 | //______________________________________________________________________________ | |
2048 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
2049 | { | |
2050 | // | |
2051 | // Compute PID response of 'detCode' | |
2052 | // | |
2053 | ||
2054 | switch (detCode){ | |
2055 | case kITS: return GetComputeITSProbability(track, nSpecies, p); break; | |
2056 | case kTPC: return GetComputeTPCProbability(track, nSpecies, p); break; | |
2057 | case kTRD: return GetComputeTRDProbability(track, nSpecies, p); break; | |
2058 | case kTOF: return GetComputeTOFProbability(track, nSpecies, p); break; | |
2059 | case kPHOS: return GetComputePHOSProbability(track, nSpecies, p); break; | |
2060 | case kEMCAL: return GetComputeEMCALProbability(track, nSpecies, p); break; | |
2061 | case kHMPID: return GetComputeHMPIDProbability(track, nSpecies, p); break; | |
2062 | default: return kDetNoSignal; | |
2063 | } | |
2064 | } | |
2065 | ||
2066 | //______________________________________________________________________________ | |
2067 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
2068 | { | |
2069 | // | |
2070 | // Compute PID response for the ITS | |
2071 | // | |
2072 | ||
1c9d11be | 2073 | // set flat distribution (no decision) |
2074 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
2075 | ||
355b831b | 2076 | const EDetPidStatus pidStatus=GetITSPIDStatus(track); |
2077 | if (pidStatus!=kDetPidOk) return pidStatus; | |
2078 | ||
2079 | if (track->GetDetectorPID()){ | |
2080 | return track->GetDetectorPID()->GetRawProbability(kITS, p, nSpecies); | |
2081 | } | |
1c9d11be | 2082 | |
2083 | //check for ITS standalone tracks | |
2084 | Bool_t isSA=kTRUE; | |
2085 | if( track->GetStatus() & AliVTrack::kTPCin ) isSA=kFALSE; | |
2086 | ||
2087 | Double_t mom=track->P(); | |
2088 | Double_t dedx=track->GetITSsignal(); | |
2089 | Double_t momITS=mom; | |
2090 | UChar_t clumap=track->GetITSClusterMap(); | |
2091 | Int_t nPointsForPid=0; | |
2092 | for(Int_t i=2; i<6; i++){ | |
2093 | if(clumap&(1<<i)) ++nPointsForPid; | |
2094 | } | |
2095 | ||
1c9d11be | 2096 | Bool_t mismatch=kTRUE/*, heavy=kTRUE*/; |
bf26ce58 | 2097 | for (Int_t j=0; j<nSpecies; j++) { |
1c9d11be | 2098 | Double_t mass=AliPID::ParticleMassZ(j);//GeV/c^2 |
2099 | const Double_t chargeFactor = TMath::Power(AliPID::ParticleCharge(j),2.); | |
2100 | Double_t bethe=fITSResponse.Bethe(momITS,mass)*chargeFactor; | |
2101 | //TODO: in case of the electron, use the SA parametrisation, | |
2102 | // this needs to be changed if ITS provides a parametrisation | |
2103 | // for electrons also for ITS+TPC tracks | |
2104 | Double_t sigma=fITSResponse.GetResolution(bethe,nPointsForPid,isSA || (j==(Int_t)AliPID::kElectron)); | |
2105 | if (TMath::Abs(dedx-bethe) > fRange*sigma) { | |
2106 | p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma; | |
2107 | } else { | |
2108 | p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma; | |
2109 | mismatch=kFALSE; | |
2110 | } | |
1c9d11be | 2111 | } |
2112 | ||
2113 | if (mismatch){ | |
bf26ce58 | 2114 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; |
1c9d11be | 2115 | } |
2116 | ||
1c9d11be | 2117 | return kDetPidOk; |
2118 | } | |
2119 | //______________________________________________________________________________ | |
2120 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
2121 | { | |
2122 | // | |
2123 | // Compute PID response for the TPC | |
2124 | // | |
2125 | ||
2126 | // set flat distribution (no decision) | |
2127 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
2128 | ||
355b831b | 2129 | const EDetPidStatus pidStatus=GetTPCPIDStatus(track); |
2130 | if (pidStatus!=kDetPidOk) return pidStatus; | |
1c9d11be | 2131 | |
1c9d11be | 2132 | Double_t dedx=track->GetTPCsignal(); |
2133 | Bool_t mismatch=kTRUE/*, heavy=kTRUE*/; | |
2134 | ||
87da0205 | 2135 | if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) dedx = this->GetTPCsignalTunedOnData(track); |
1c9d11be | 2136 | |
f84b18dd | 2137 | Double_t bethe = 0.; |
2138 | Double_t sigma = 0.; | |
2139 | ||
bf26ce58 | 2140 | for (Int_t j=0; j<nSpecies; j++) { |
1c9d11be | 2141 | AliPID::EParticleType type=AliPID::EParticleType(j); |
f84b18dd | 2142 | |
87da0205 | 2143 | bethe=fTPCResponse.GetExpectedSignal(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection); |
2144 | sigma=fTPCResponse.GetExpectedSigma(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection); | |
f85a3764 | 2145 | |
1c9d11be | 2146 | if (TMath::Abs(dedx-bethe) > fRange*sigma) { |
2147 | p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma; | |
2148 | } else { | |
2149 | p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma; | |
2150 | mismatch=kFALSE; | |
2151 | } | |
2152 | } | |
2153 | ||
2154 | if (mismatch){ | |
2155 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
1c9d11be | 2156 | } |
2157 | ||
2158 | return kDetPidOk; | |
2159 | } | |
2160 | //______________________________________________________________________________ | |
2161 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
2162 | { | |
2163 | // | |
57e985ed | 2164 | // Compute PID probabilities for TOF |
1c9d11be | 2165 | // |
2166 | ||
1c9d11be | 2167 | // set flat distribution (no decision) |
2168 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
2169 | ||
355b831b | 2170 | const EDetPidStatus pidStatus=GetTOFPIDStatus(track); |
2171 | if (pidStatus!=kDetPidOk) return pidStatus; | |
2172 | ||
c5fb644a | 2173 | const Double_t meanCorrFactor = 0.07/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1) |
1c9d11be | 2174 | |
bf26ce58 | 2175 | for (Int_t j=0; j<nSpecies; j++) { |
1c9d11be | 2176 | AliPID::EParticleType type=AliPID::EParticleType(j); |
355b831b | 2177 | const Double_t nsigmas=GetNumberOfSigmasTOFold(track,type) + meanCorrFactor; |
1c9d11be | 2178 | |
355b831b | 2179 | const Double_t expTime = fTOFResponse.GetExpectedSignal(track,type); |
2180 | const Double_t sig = fTOFResponse.GetExpectedSigma(track->P(),expTime,AliPID::ParticleMassZ(type)); | |
1c9d11be | 2181 | if (TMath::Abs(nsigmas) > (fRange+2)) { |
2182 | if(nsigmas < fTOFtail) | |
2183 | p[j] = TMath::Exp(-0.5*(fRange+2)*(fRange+2))/sig; | |
2184 | else | |
2185 | p[j] = TMath::Exp(-(fRange+2 - fTOFtail*0.5)*fTOFtail)/sig; | |
2186 | } else{ | |
2187 | if(nsigmas < fTOFtail) | |
2188 | p[j] = TMath::Exp(-0.5*nsigmas*nsigmas)/sig; | |
2189 | else | |
2190 | p[j] = TMath::Exp(-(nsigmas - fTOFtail*0.5)*fTOFtail)/sig; | |
355b831b | 2191 | } |
1c9d11be | 2192 | } |
2193 | ||
1c9d11be | 2194 | return kDetPidOk; |
2195 | } | |
2196 | //______________________________________________________________________________ | |
2197 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod/*=AliTRDPIDResponse::kLQ1D*/) const | |
2198 | { | |
2199 | // | |
355b831b | 2200 | // Compute PID probabilities for the TRD |
1c9d11be | 2201 | // |
2202 | ||
1c9d11be | 2203 | // set flat distribution (no decision) |
2204 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
355b831b | 2205 | |
2206 | const EDetPidStatus pidStatus=GetTRDPIDStatus(track); | |
2207 | if (pidStatus!=kDetPidOk) return pidStatus; | |
2208 | ||
2209 | UInt_t TRDslicesForPID[2]; | |
2210 | SetTRDSlices(TRDslicesForPID,PIDmethod); | |
1c9d11be | 2211 | |
2212 | Float_t mom[6]={0.}; | |
2213 | Double_t dedx[48]={0.}; // Allocate space for the maximum number of TRD slices | |
2214 | Int_t nslices = TRDslicesForPID[1] - TRDslicesForPID[0] + 1; | |
2215 | AliDebug(1, Form("First Slice: %d, Last Slice: %d, Number of slices: %d", TRDslicesForPID[0], TRDslicesForPID[1], nslices)); | |
2216 | for(UInt_t ilayer = 0; ilayer < 6; ilayer++){ | |
2217 | mom[ilayer] = track->GetTRDmomentum(ilayer); | |
2218 | for(UInt_t islice = TRDslicesForPID[0]; islice <= TRDslicesForPID[1]; islice++){ | |
2219 | dedx[ilayer*nslices+islice-TRDslicesForPID[0]] = track->GetTRDslice(ilayer, islice); | |
2220 | } | |
2221 | } | |
355b831b | 2222 | |
1c9d11be | 2223 | fTRDResponse.GetResponse(nslices, dedx, mom, p,PIDmethod); |
2224 | return kDetPidOk; | |
1c9d11be | 2225 | } |
355b831b | 2226 | |
1c9d11be | 2227 | //______________________________________________________________________________ |
2228 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
2229 | { | |
2230 | // | |
2231 | // Compute PID response for the EMCAL | |
2232 | // | |
2233 | ||
2234 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
355b831b | 2235 | |
2236 | const EDetPidStatus pidStatus=GetEMCALPIDStatus(track); | |
2237 | if (pidStatus!=kDetPidOk) return pidStatus; | |
2238 | ||
2239 | const Int_t nMatchClus = track->GetEMCALcluster(); | |
2240 | AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus); | |
1c9d11be | 2241 | |
355b831b | 2242 | const Double_t mom = track->P(); |
2243 | const Double_t pt = track->Pt(); | |
2244 | const Int_t charge = track->Charge(); | |
2245 | const Double_t fClsE = matchedClus->E(); | |
2246 | const Double_t EovP = fClsE/mom; | |
1c9d11be | 2247 | |
355b831b | 2248 | // compute the probabilities |
2249 | fEMCALResponse.ComputeEMCALProbability(nSpecies,pt,EovP,charge,p); | |
2250 | return kDetPidOk; | |
1c9d11be | 2251 | } |
355b831b | 2252 | |
1c9d11be | 2253 | //______________________________________________________________________________ |
2254 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const | |
2255 | { | |
2256 | // | |
2257 | // Compute PID response for the PHOS | |
2258 | // | |
2259 | ||
2260 | // set flat distribution (no decision) | |
2261 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
2262 | return kDetNoSignal; | |
2263 | } | |
355b831b | 2264 | |
1c9d11be | 2265 | //______________________________________________________________________________ |
2266 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const | |
2267 | { | |
2268 | // | |
2269 | // Compute PID response for the HMPID | |
2270 | // | |
355b831b | 2271 | |
1c9d11be | 2272 | // set flat distribution (no decision) |
2273 | for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies; | |
355b831b | 2274 | |
2275 | const EDetPidStatus pidStatus=GetHMPIDPIDStatus(track); | |
2276 | if (pidStatus!=kDetPidOk) return pidStatus; | |
1c9d11be | 2277 | |
567624b5 | 2278 | fHMPIDResponse.GetProbability(track,nSpecies,p); |
2279 | ||
1c9d11be | 2280 | return kDetPidOk; |
2281 | } | |
355b831b | 2282 | |
2283 | //______________________________________________________________________________ | |
2284 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetITSPIDStatus(const AliVTrack *track) const | |
2285 | { | |
2286 | // compute ITS pid status | |
2287 | ||
2288 | // check status bits | |
2289 | if ((track->GetStatus()&AliVTrack::kITSin)==0 && | |
2290 | (track->GetStatus()&AliVTrack::kITSout)==0) return kDetNoSignal; | |
2291 | ||
2292 | const Float_t dEdx=track->GetITSsignal(); | |
2293 | if (dEdx<=0) return kDetNoSignal; | |
2294 | ||
2295 | // requite at least 3 pid clusters | |
2296 | const UChar_t clumap=track->GetITSClusterMap(); | |
2297 | Int_t nPointsForPid=0; | |
2298 | for(Int_t i=2; i<6; i++){ | |
2299 | if(clumap&(1<<i)) ++nPointsForPid; | |
2300 | } | |
2301 | ||
2302 | if(nPointsForPid<3) { | |
2303 | return kDetNoSignal; | |
2304 | } | |
2305 | ||
2306 | return kDetPidOk; | |
2307 | } | |
2308 | ||
2309 | //______________________________________________________________________________ | |
2310 | AliPIDResponse::EDetPidStatus AliPIDResponse:: GetTPCPIDStatus(const AliVTrack *track) const | |
2311 | { | |
2312 | // compute TPC pid status | |
2313 | ||
2314 | // check quality of the track | |
2315 | if ( (track->GetStatus()&AliVTrack::kTPCin )==0 && (track->GetStatus()&AliVTrack::kTPCout)==0 ) return kDetNoSignal; | |
2316 | ||
2317 | // check pid values | |
2318 | const Double_t dedx=track->GetTPCsignal(); | |
2319 | const UShort_t signalN=track->GetTPCsignalN(); | |
2320 | if (signalN<10 || dedx<10) return kDetNoSignal; | |
2321 | ||
2322 | if (!(fArrPidResponseMaster && fArrPidResponseMaster->At(AliPID::kPion))) return kDetNoParams; | |
2323 | ||
2324 | return kDetPidOk; | |
2325 | } | |
2326 | ||
2327 | //______________________________________________________________________________ | |
2328 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetTRDPIDStatus(const AliVTrack *track) const | |
2329 | { | |
2330 | // compute TRD pid status | |
2331 | ||
2332 | if((track->GetStatus()&AliVTrack::kTRDout)==0) return kDetNoSignal; | |
2333 | return kDetPidOk; | |
2334 | } | |
2335 | ||
2336 | //______________________________________________________________________________ | |
2337 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetTOFPIDStatus(const AliVTrack *track) const | |
2338 | { | |
2339 | // compute TOF pid status | |
2340 | ||
2341 | if ((track->GetStatus()&AliVTrack::kTOFout)==0) return kDetNoSignal; | |
2342 | if ((track->GetStatus()&AliVTrack::kTIME)==0) return kDetNoSignal; | |
2343 | ||
2344 | return kDetPidOk; | |
2345 | } | |
2346 | ||
2347 | //______________________________________________________________________________ | |
2348 | Float_t AliPIDResponse::GetTOFMismatchProbability(const AliVTrack *track) const | |
2349 | { | |
2350 | // compute mismatch probability cross-checking at 5 sigmas with TPC | |
2351 | // currently just implemented as a 5 sigma compatibility cut | |
2352 | ||
2353 | // check pid status | |
2354 | const EDetPidStatus tofStatus=GetTOFPIDStatus(track); | |
2355 | if (tofStatus!=kDetPidOk) return 0.; | |
2356 | ||
2357 | //mismatch | |
2358 | const EDetPidStatus tpcStatus=GetTPCPIDStatus(track); | |
2359 | if (tpcStatus!=kDetPidOk) return 0.; | |
2360 | ||
2361 | const Double_t meanCorrFactor = 0.11/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1) | |
2362 | Bool_t mismatch = kTRUE/*, heavy = kTRUE*/; | |
2363 | for (Int_t j=0; j<AliPID::kSPECIESC; j++) { | |
2364 | AliPID::EParticleType type=AliPID::EParticleType(j); | |
2365 | const Double_t nsigmas=GetNumberOfSigmasTOFold(track,type) + meanCorrFactor; | |
2366 | ||
2367 | if (TMath::Abs(nsigmas)<5.){ | |
2368 | const Double_t nsigmasTPC=GetNumberOfSigmasTPC(track,type); | |
2369 | if (TMath::Abs(nsigmasTPC)<5.) mismatch=kFALSE; | |
2370 | } | |
2371 | } | |
2372 | ||
2373 | if (mismatch){ | |
2374 | return 1.; | |
2375 | } | |
2376 | ||
2377 | return 0.; | |
2378 | } | |
2379 | ||
355b831b | 2380 | //______________________________________________________________________________ |
2381 | AliPIDResponse::EDetPidStatus AliPIDResponse:: GetHMPIDPIDStatus(const AliVTrack *track) const | |
2382 | { | |
2383 | // compute HMPID pid status | |
567624b5 | 2384 | |
2385 | Int_t ch = track->GetHMPIDcluIdx()/1000000; | |
2386 | Double_t HMPIDsignal = track->GetHMPIDsignal(); | |
2387 | ||
2388 | if((track->GetStatus()&AliVTrack::kHMPIDpid)==0 || ch<0 || ch>6 || HMPIDsignal<0) return kDetNoSignal; | |
2389 | ||
355b831b | 2390 | return kDetPidOk; |
2391 | } | |
2392 | ||
2393 | //______________________________________________________________________________ | |
2394 | AliPIDResponse::EDetPidStatus AliPIDResponse:: GetPHOSPIDStatus(const AliVTrack */*track*/) const | |
2395 | { | |
2396 | // compute PHOS pid status | |
2397 | return kDetNoSignal; | |
2398 | } | |
2399 | ||
2400 | //______________________________________________________________________________ | |
2401 | AliPIDResponse::EDetPidStatus AliPIDResponse:: GetEMCALPIDStatus(const AliVTrack *track) const | |
2402 | { | |
2403 | // compute EMCAL pid status | |
2404 | ||
2405 | ||
2406 | // Track matching | |
2407 | const Int_t nMatchClus = track->GetEMCALcluster(); | |
2408 | if (nMatchClus<0) return kDetNoSignal; | |
2409 | ||
2410 | AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus); | |
2411 | ||
2412 | if (!(matchedClus && matchedClus->IsEMCAL())) return kDetNoSignal; | |
2413 | ||
2414 | const Int_t charge = track->Charge(); | |
2415 | if (TMath::Abs(charge)!=1) return kDetNoSignal; | |
2416 | ||
2417 | if (!(fEMCALPIDParams && fEMCALPIDParams->At(AliPID::kElectron))) return kDetNoParams; | |
2418 | ||
2419 | return kDetPidOk; | |
2420 | ||
2421 | } | |
2422 | ||
2423 | //______________________________________________________________________________ | |
2424 | AliPIDResponse::EDetPidStatus AliPIDResponse::GetPIDStatus(EDetector detector, const AliVTrack *track) const | |
2425 | { | |
2426 | // | |
2427 | // check pid status for a track | |
2428 | // | |
2429 | ||
2430 | switch (detector){ | |
2431 | case kITS: return GetITSPIDStatus(track); break; | |
2432 | case kTPC: return GetTPCPIDStatus(track); break; | |
2433 | case kTRD: return GetTRDPIDStatus(track); break; | |
2434 | case kTOF: return GetTOFPIDStatus(track); break; | |
2435 | case kPHOS: return GetPHOSPIDStatus(track); break; | |
2436 | case kEMCAL: return GetEMCALPIDStatus(track); break; | |
2437 | case kHMPID: return GetHMPIDPIDStatus(track); break; | |
2438 | default: return kDetNoSignal; | |
2439 | } | |
2440 | return kDetNoSignal; | |
2441 | ||
2442 | } |