1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 /* $Id: AliPIDResponse.cxx 46193 2010-12-21 09:00:14Z wiechula $ */
18 //-----------------------------------------------------------------
19 // Base class for handling the pid response //
20 // functions of all detectors //
21 // and give access to the nsigmas //
23 // Origin: Jens Wiechula, Uni Tuebingen, jens.wiechula@cern.ch //
24 //-----------------------------------------------------------------
27 #include <TObjArray.h>
35 #include <TLinearFitter.h>
39 #include <AliVEvent.h>
40 #include <AliVTrack.h>
43 #include <AliOADBContainer.h>
44 #include <AliTRDPIDResponseObject.h>
45 #include <AliTOFPIDParams.h>
46 #include <AliHMPIDPIDParams.h>
48 #include "AliPIDResponse.h"
49 #include "AliDetectorPID.h"
51 #include "AliCentrality.h"
53 ClassImp(AliPIDResponse);
55 AliPIDResponse::AliPIDResponse(Bool_t isMC/*=kFALSE*/) :
56 TNamed("PIDResponse","PIDResponse"),
64 fITSPIDmethod(kITSTruncMean),
65 fTuneMConData(kFALSE),
66 fTuneMConDataMask(kDetTOF|kDetTPC),
70 fCustomTPCpidResponse(),
76 fCurrentAliRootRev(-1),
84 fArrPidResponseMaster(NULL),
85 fResolutionCorrection(NULL),
86 fOADBvoltageMaps(NULL),
87 fUseTPCEtaCorrection(kFALSE),
88 fUseTPCMultiplicityCorrection(kFALSE),
89 fTRDPIDResponseObject(NULL),
92 fHMPIDPIDParams(NULL),
93 fEMCALPIDParams(NULL),
100 AliLog::SetClassDebugLevel("AliPIDResponse",0);
101 AliLog::SetClassDebugLevel("AliESDpid",0);
102 AliLog::SetClassDebugLevel("AliAODpidUtil",0);
106 //______________________________________________________________________________
107 AliPIDResponse::~AliPIDResponse()
112 delete fArrPidResponseMaster;
113 delete fTRDPIDResponseObject;
114 delete fTOFPIDParams;
117 //______________________________________________________________________________
118 AliPIDResponse::AliPIDResponse(const AliPIDResponse &other) :
120 fITSResponse(other.fITSResponse),
121 fTPCResponse(other.fTPCResponse),
122 fTRDResponse(other.fTRDResponse),
123 fTOFResponse(other.fTOFResponse),
124 fHMPIDResponse(other.fHMPIDResponse),
125 fEMCALResponse(other.fEMCALResponse),
126 fRange(other.fRange),
127 fITSPIDmethod(other.fITSPIDmethod),
128 fTuneMConData(other.fTuneMConData),
129 fTuneMConDataMask(other.fTuneMConDataMask),
131 fCachePID(other.fCachePID),
132 fOADBPath(other.fOADBPath),
133 fCustomTPCpidResponse(other.fCustomTPCpidResponse),
137 fMCperiodUser(other.fMCperiodUser),
139 fCurrentAliRootRev(other.fCurrentAliRootRev),
141 fRecoPassUser(other.fRecoPassUser),
147 fArrPidResponseMaster(NULL),
148 fResolutionCorrection(NULL),
149 fOADBvoltageMaps(NULL),
150 fUseTPCEtaCorrection(other.fUseTPCEtaCorrection),
151 fUseTPCMultiplicityCorrection(other.fUseTPCMultiplicityCorrection),
152 fTRDPIDResponseObject(NULL),
155 fHMPIDPIDParams(NULL),
156 fEMCALPIDParams(NULL),
165 //______________________________________________________________________________
166 AliPIDResponse& AliPIDResponse::operator=(const AliPIDResponse &other)
172 delete fArrPidResponseMaster;
173 TNamed::operator=(other);
174 fITSResponse=other.fITSResponse;
175 fTPCResponse=other.fTPCResponse;
176 fTRDResponse=other.fTRDResponse;
177 fTOFResponse=other.fTOFResponse;
178 fHMPIDResponse=other.fHMPIDResponse;
179 fEMCALResponse=other.fEMCALResponse;
181 fITSPIDmethod=other.fITSPIDmethod;
182 fOADBPath=other.fOADBPath;
183 fCustomTPCpidResponse=other.fCustomTPCpidResponse;
184 fTuneMConData=other.fTuneMConData;
185 fTuneMConDataMask=other.fTuneMConDataMask;
187 fCachePID=other.fCachePID;
191 fMCperiodUser=other.fMCperiodUser;
193 fCurrentAliRootRev=other.fCurrentAliRootRev;
195 fRecoPassUser=other.fRecoPassUser;
201 fArrPidResponseMaster=NULL;
202 fResolutionCorrection=NULL;
203 fOADBvoltageMaps=NULL;
204 fUseTPCEtaCorrection=other.fUseTPCEtaCorrection;
205 fUseTPCMultiplicityCorrection=other.fUseTPCMultiplicityCorrection;
206 fTRDPIDResponseObject=NULL;
207 fEMCALPIDParams=NULL;
210 fHMPIDPIDParams=NULL;
211 fCurrentEvent=other.fCurrentEvent;
217 //______________________________________________________________________________
218 Float_t AliPIDResponse::NumberOfSigmas(EDetector detector, const AliVParticle *vtrack, AliPID::EParticleType type) const
221 // NumberOfSigmas for 'detCode'
224 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
225 // look for cached value first
226 const AliDetectorPID *detPID=track->GetDetectorPID();
228 if ( detPID && detPID->HasNumberOfSigmas(detector)){
229 return detPID->GetNumberOfSigmas(detector, type);
230 } else if (fCachePID) {
231 FillTrackDetectorPID(track, detector);
232 detPID=track->GetDetectorPID();
233 return detPID->GetNumberOfSigmas(detector, type);
236 return GetNumberOfSigmas(detector, track, type);
239 //______________________________________________________________________________
240 AliPIDResponse::EDetPidStatus AliPIDResponse::NumberOfSigmas(EDetector detCode, const AliVParticle *track,
241 AliPID::EParticleType type, Double_t &val) const
244 // NumberOfSigmas with detector status as return value
247 val=NumberOfSigmas(detCode, track, type);
248 return CheckPIDStatus(detCode, (AliVTrack*)track);
251 //______________________________________________________________________________
252 // public buffered versions of the PID calculation
255 //______________________________________________________________________________
256 Float_t AliPIDResponse::NumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const
259 // Calculate the number of sigmas in the ITS
262 return NumberOfSigmas(kITS, vtrack, type);
265 //______________________________________________________________________________
266 Float_t AliPIDResponse::NumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const
269 // Calculate the number of sigmas in the TPC
272 return NumberOfSigmas(kTPC, vtrack, type);
275 //______________________________________________________________________________
276 Float_t AliPIDResponse::NumberOfSigmasTPC( const AliVParticle *vtrack,
277 AliPID::EParticleType type,
278 AliTPCPIDResponse::ETPCdEdxSource dedxSource) const
280 //get number of sigmas according the selected TPC gain configuration scenario
281 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
283 Float_t nSigma=fTPCResponse.GetNumberOfSigmas(track, type, dedxSource, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
288 //______________________________________________________________________________
289 Float_t AliPIDResponse::NumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const
292 // Calculate the number of sigmas in the TOF
295 return NumberOfSigmas(kTOF, vtrack, type);
298 //______________________________________________________________________________
299 Float_t AliPIDResponse::NumberOfSigmasHMPID(const AliVParticle *vtrack, AliPID::EParticleType type) const
302 // Calculate the number of sigmas in the EMCAL
305 return NumberOfSigmas(kHMPID, vtrack, type);
308 //______________________________________________________________________________
309 Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const
312 // Calculate the number of sigmas in the EMCAL
315 return NumberOfSigmas(kEMCAL, vtrack, type);
318 //______________________________________________________________________________
319 Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const
322 // emcal nsigma with eop and showershape
324 AliVTrack *track=(AliVTrack*)vtrack;
326 AliVCluster *matchedClus = NULL;
331 Double_t fClsE = -1.;
333 // initialize eop and shower shape parameters
335 for(Int_t i = 0; i < 4; i++){
336 showershape[i] = -1.;
339 Int_t nMatchClus = -1;
343 nMatchClus = track->GetEMCALcluster();
348 charge = track->Charge();
350 matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
354 // matched cluster is EMCAL
355 if(matchedClus->IsEMCAL()){
357 fClsE = matchedClus->E();
360 // fill used EMCAL variables here
362 showershape[0] = matchedClus->GetNCells(); // number of cells in cluster
363 showershape[1] = matchedClus->GetM02(); // long axis
364 showershape[2] = matchedClus->GetM20(); // short axis
365 showershape[3] = matchedClus->GetDispersion(); // dispersion
367 // look for cached value first
368 const AliDetectorPID *detPID=track->GetDetectorPID();
369 const EDetector detector=kEMCAL;
371 if ( detPID && detPID->HasNumberOfSigmas(detector)){
372 return detPID->GetNumberOfSigmas(detector, type);
373 } else if (fCachePID) {
374 FillTrackDetectorPID(track, detector);
375 detPID=track->GetDetectorPID();
376 return detPID->GetNumberOfSigmas(detector, type);
379 // NSigma value really meaningful only for electrons!
380 return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge);
387 //______________________________________________________________________________
388 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDelta(EDetector detector, const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
395 case kITS: return GetSignalDeltaITS(track,type,val,ratio); break;
396 case kTPC: return GetSignalDeltaTPC(track,type,val,ratio); break;
397 case kTOF: return GetSignalDeltaTOF(track,type,val,ratio); break;
398 case kHMPID: return GetSignalDeltaHMPID(track,type,val,ratio); break;
399 default: return kDetNoSignal;
404 //______________________________________________________________________________
405 Double_t AliPIDResponse::GetSignalDelta(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type, Bool_t ratio/*=kFALSE*/) const
411 EDetPidStatus stat=GetSignalDelta(detCode, track, type, val, ratio);
412 if ( stat==kDetNoSignal ) val=-9999.;
416 //______________________________________________________________________________
417 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
419 // Compute PID response of 'detCode'
421 // find detector code from detector bit mask
423 for (Int_t idet=0; idet<kNdetectors; ++idet) if ( (detCode&(1<<idet)) ) { detector=idet; break; }
424 if (detector==-1) return kDetNoSignal;
426 return ComputePIDProbability((EDetector)detector, track, nSpecies, p);
429 //______________________________________________________________________________
430 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetector detector, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
433 // Compute PID response of 'detector'
436 const AliDetectorPID *detPID=track->GetDetectorPID();
438 if ( detPID && detPID->HasRawProbability(detector)){
439 return detPID->GetRawProbability(detector, p, nSpecies);
440 } else if (fCachePID) {
441 FillTrackDetectorPID(track, detector);
442 detPID=track->GetDetectorPID();
443 return detPID->GetRawProbability(detector, p, nSpecies);
446 //if no caching return values calculated from scratch
447 return GetComputePIDProbability(detector, track, nSpecies, p);
450 //______________________________________________________________________________
451 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
453 // Compute PID response for the ITS
454 return ComputePIDProbability(kITS, track, nSpecies, p);
457 //______________________________________________________________________________
458 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
460 // Compute PID response for the TPC
461 return ComputePIDProbability(kTPC, track, nSpecies, p);
464 //______________________________________________________________________________
465 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
467 // Compute PID response for the
468 return ComputePIDProbability(kTOF, track, nSpecies, p);
471 //______________________________________________________________________________
472 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
474 // Compute PID response for the
475 return ComputePIDProbability(kTRD, track, nSpecies, p);
478 //______________________________________________________________________________
479 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
481 // Compute PID response for the EMCAL
482 return ComputePIDProbability(kEMCAL, track, nSpecies, p);
484 //______________________________________________________________________________
485 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const
487 // Compute PID response for the PHOS
489 // set flat distribution (no decision)
490 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
494 //______________________________________________________________________________
495 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
497 // Compute PID response for the HMPID
498 return ComputePIDProbability(kHMPID, track, nSpecies, p);
501 //______________________________________________________________________________
502 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const
504 // Compute PID response for the
505 return GetComputeTRDProbability(track, nSpecies, p, PIDmethod);
508 //______________________________________________________________________________
509 AliPIDResponse::EDetPidStatus AliPIDResponse::CheckPIDStatus(EDetector detector, const AliVTrack *track) const
511 // calculate detector pid status
513 const Int_t iDetCode=(Int_t)detector;
514 if (iDetCode<0||iDetCode>=kNdetectors) return kDetNoSignal;
515 const AliDetectorPID *detPID=track->GetDetectorPID();
518 return detPID->GetPIDStatus(detector);
519 } else if (fCachePID) {
520 FillTrackDetectorPID(track, detector);
521 detPID=track->GetDetectorPID();
522 return detPID->GetPIDStatus(detector);
525 // if not buffered and no buffering is requested
526 return GetPIDStatus(detector, track);
529 //______________________________________________________________________________
530 void AliPIDResponse::InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run)
533 // Apply settings for the current event
542 else fRun=event->GetRunNumber();
549 //TPC resolution parametrisation PbPb
550 if ( fResolutionCorrection ){
551 Double_t corrSigma=fResolutionCorrection->Eval(GetTPCMultiplicityBin(event));
552 fTPCResponse.SetSigma(3.79301e-03*corrSigma, 2.21280e+04);
555 // Set up TPC multiplicity for PbPb
556 //TODO Will NOT give the desired number for AODs -> Needs new variable/function in future.
557 // Fatal, if AOD event and correction enabled
558 //printf("DETECTED class: %s (%d)\n\n\n\n", event->IsA()->GetName(), fUseTPCMultiplicityCorrection);//TODO
559 if (fUseTPCMultiplicityCorrection && strcmp(event->IsA()->GetName(), "AliESDEvent") != 0) {
560 AliFatal("TPC multiplicity correction is enabled, but will NOT work for AOD events, only for ESD => Disabled multiplicity correction!");
561 fUseTPCMultiplicityCorrection = kFALSE;
564 if (fUseTPCMultiplicityCorrection)
565 fTPCResponse.SetCurrentEventMultiplicity(event->GetNumberOfTracks());
567 fTPCResponse.SetCurrentEventMultiplicity(0);
570 SetTOFResponse(event, (AliPIDResponse::EStartTimeType_t)fTOFPIDParams->GetStartTimeMethod());
573 // Get and set centrality
574 AliCentrality *centrality = event->GetCentrality();
576 fCurrCentrality = centrality->GetCentralityPercentile("V0M");
579 fCurrCentrality = -1;
582 // Set centrality percentile for EMCAL
583 fEMCALResponse.SetCentrality(fCurrCentrality);
587 //______________________________________________________________________________
588 void AliPIDResponse::ExecNewRun()
591 // Things to Execute upon a new run
595 SetITSParametrisation();
597 SetTPCPidResponseMaster();
598 SetTPCParametrisation();
601 SetTRDPidResponseMaster();
602 InitializeTRDResponse();
604 SetEMCALPidResponseMaster();
605 InitializeEMCALResponse();
607 SetTOFPidResponseMaster();
608 InitializeTOFResponse();
610 SetHMPIDPidResponseMaster();
611 InitializeHMPIDResponse();
613 if (fCurrentEvent) fTPCResponse.SetMagField(fCurrentEvent->GetMagneticField());
616 //______________________________________________________________________________
617 Double_t AliPIDResponse::GetTPCMultiplicityBin(const AliVEvent * const event)
620 // Get TPC multiplicity in bins of 150
623 const AliVVertex* vertexTPC = event->GetPrimaryVertex();
624 Double_t tpcMulti=0.;
626 Double_t vertexContribTPC=vertexTPC->GetNContributors();
627 tpcMulti=vertexContribTPC/150.;
628 if (tpcMulti>20.) tpcMulti=20.;
634 //______________________________________________________________________________
635 void AliPIDResponse::SetRecoInfo()
638 // Set reconstruction information
649 Bool_t hasProdInfo=(fCurrentFile.BeginsWith("LHC"));
651 TPRegexp reg(".*(LHC1[1-3][a-z]+[0-9]+[a-z_]*)/.*");
652 if (hasProdInfo) reg=TPRegexp("LHC1[1-2][a-z]+[0-9]+[a-z_]*");
653 TPRegexp reg12a17("LHC1[2-3][a-z]");
655 //find the period by run number (UGLY, but not stored in ESD and AOD... )
656 if (fRun>=114737&&fRun<=117223) { fLHCperiod="LHC10B"; fMCperiodTPC="LHC10D1"; }
657 else if (fRun>=118503&&fRun<=121040) { fLHCperiod="LHC10C"; fMCperiodTPC="LHC10D1"; }
658 else if (fRun>=122195&&fRun<=126437) { fLHCperiod="LHC10D"; fMCperiodTPC="LHC10F6A"; }
659 else if (fRun>=127710&&fRun<=130850) { fLHCperiod="LHC10E"; fMCperiodTPC="LHC10F6A"; }
660 else if (fRun>=133004&&fRun<=135029) { fLHCperiod="LHC10F"; fMCperiodTPC="LHC10F6A"; }
661 else if (fRun>=135654&&fRun<=136377) { fLHCperiod="LHC10G"; fMCperiodTPC="LHC10F6A"; }
662 else if (fRun>=136851&&fRun<=139846) {
664 fMCperiodTPC="LHC10H8";
665 if (reg.MatchB(fCurrentFile)) fMCperiodTPC="LHC11A10";
666 // exception for 13d2 and later
667 if (fCurrentAliRootRev >= 62714) fMCperiodTPC="LHC13D2";
670 else if (fRun>=139847&&fRun<=146974) { fLHCperiod="LHC11A"; fMCperiodTPC="LHC10F6A"; }
671 //TODO: periods 11B (146975-150721), 11C (150722-155837) are not yet treated assume 11d for the moment
672 else if (fRun>=146975&&fRun<=155837) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
673 else if (fRun>=155838&&fRun<=159649) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
674 // also for 11e (159650-162750),f(162751-165771) use 11d
675 else if (fRun>=159650&&fRun<=162750) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
676 else if (fRun>=162751&&fRun<=165771) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
678 else if (fRun>=165772 && fRun<=170718) {
680 fMCperiodTPC="LHC11A10";
682 if (reg12a17.MatchB(fCurrentFile)) fMCperiodTPC="LHC12A17";
684 if (fRun>=170719 && fRun<=177311) { fLHCperiod="LHC12A"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
685 // for the moment use LHC12b parameters up to LHC12e
686 if (fRun>=177312 /*&& fRun<=179356*/) { fLHCperiod="LHC12B"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
687 // if (fRun>=179357 && fRun<=183173) { fLHCperiod="LHC12C"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
688 // if (fRun>=183174 && fRun<=186345) { fLHCperiod="LHC12D"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
689 // if (fRun>=186346 && fRun<=186635) { fLHCperiod="LHC12E"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
691 // if (fRun>=186636 && fRun<=188166) { fLHCperiod="LHC12F"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
692 // if (fRun >= 188167 && fRun <= 188355 ) { fLHCperiod="LHC12G"; fBeamType="PP"; /*fMCperiodTPC="";*/ }
693 // if (fRun >= 188356 && fRun <= 188503 ) { fLHCperiod="LHC12G"; fBeamType="PPB"; /*fMCperiodTPC="";*/ }
694 // for the moment use 12g parametrisation for all full gain runs (LHC12f+)
695 if (fRun >= 186636 && fRun < 194480) { fLHCperiod="LHC12G"; fBeamType="PPB"; fMCperiodTPC="LHC12G"; }
697 // New parametrisation for 2013 pPb runs
698 if (fRun >= 194480) {
701 fMCperiodTPC="LHC12G";
703 if (fCurrentAliRootRev >= 61605)
704 fMCperiodTPC="LHC13B2_FIX";
705 if (fCurrentAliRootRev >= 62714)
706 fMCperiodTPC="LHC13B2_FIXn1";
709 //exception new pp MC productions from 2011
710 if (fBeamType=="PP" && reg.MatchB(fCurrentFile)) { fMCperiodTPC="LHC11B2"; fBeamType="PP"; }
711 // exception for 11f1
712 if (fCurrentFile.Contains("LHC11f1")) fMCperiodTPC="LHC11F1";
713 // exception for 12f1a, 12f1b and 12i3
714 if (fCurrentFile.Contains("LHC12f1") || fCurrentFile.Contains("LHC12i3")) fMCperiodTPC="LHC12F1";
715 // exception for 12c4
716 if (fCurrentFile.Contains("LHC12c4")) fMCperiodTPC="LHC12C4";
719 //______________________________________________________________________________
720 void AliPIDResponse::SetITSParametrisation()
723 // Set the ITS parametrisation
728 //______________________________________________________________________________
729 void AliPIDResponse::AddPointToHyperplane(TH2D* h, TLinearFitter* linExtrapolation, Int_t binX, Int_t binY)
731 if (h->GetBinContent(binX, binY) <= 1e-4)
732 return; // Reject bins without content (within some numerical precision) or with strange content
734 Double_t coord[2] = {0, 0};
735 coord[0] = h->GetXaxis()->GetBinCenter(binX);
736 coord[1] = h->GetYaxis()->GetBinCenter(binY);
737 Double_t binError = h->GetBinError(binX, binY);
739 binError = 1000; // Should not happen because bins without content are rejected for the map (TH2D* h)
740 printf("ERROR: This should never happen: Trying to add bin in addPointToHyperplane with error not set....\n");
742 linExtrapolation->AddPoint(coord, h->GetBinContent(binX, binY, binError));
746 //______________________________________________________________________________
747 TH2D* AliPIDResponse::RefineHistoViaLinearInterpolation(TH2D* h, Double_t refineFactorX, Double_t refineFactorY)
752 // Interpolate to finer map
753 TLinearFitter* linExtrapolation = new TLinearFitter(2, "hyp2", "");
755 Double_t upperMapBoundY = h->GetYaxis()->GetBinUpEdge(h->GetYaxis()->GetNbins());
756 Double_t lowerMapBoundY = h->GetYaxis()->GetBinLowEdge(1);
758 // 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,
759 // scale the number of bins correspondingly
760 Int_t nBinsY = TMath::Nint((upperMapBoundY - lowerMapBoundY) / (0.02 - 0.0016) * 40);
761 Int_t nBinsXrefined = nBinsX * refineFactorX;
762 Int_t nBinsYrefined = nBinsY * refineFactorY;
764 TH2D* hRefined = new TH2D(Form("%s_refined", h->GetName()), Form("%s (refined)", h->GetTitle()),
765 nBinsXrefined, h->GetXaxis()->GetBinLowEdge(1), h->GetXaxis()->GetBinUpEdge(h->GetXaxis()->GetNbins()),
766 nBinsYrefined, lowerMapBoundY, upperMapBoundY);
768 for (Int_t binX = 1; binX <= nBinsXrefined; binX++) {
769 for (Int_t binY = 1; binY <= nBinsYrefined; binY++) {
771 hRefined->SetBinContent(binX, binY, 1); // Default value is 1
773 Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX);
774 Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY);
777 linExtrapolation->ClearPoints();
779 // For interpolation: Just take the corresponding bin from the old histo.
780 // For extrapolation: take the last available bin from the old histo.
781 // If the boundaries are to be skipped, also skip the corresponding bins
782 Int_t oldBinX = h->GetXaxis()->FindBin(centerX);
785 if (oldBinX > nBinsX)
788 Int_t oldBinY = h->GetYaxis()->FindBin(centerY);
791 if (oldBinY > nBinsY)
794 // Neighbours left column
797 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY - 1);
800 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY);
802 if (oldBinY < nBinsY) {
803 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY + 1);
807 // Neighbours (and point itself) same column
809 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY - 1);
812 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY);
814 if (oldBinY < nBinsY) {
815 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY + 1);
818 // Neighbours right column
819 if (oldBinX < nBinsX) {
821 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY - 1);
824 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY);
826 if (oldBinY < nBinsY) {
827 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY + 1);
833 if (linExtrapolation->GetNpoints() <= 0)
836 if (linExtrapolation->Eval() != 0)// EvalRobust -> Takes much, much, [...], much more time (~hours instead of seconds)
839 // Fill the bin of the refined histogram with the extrapolated value
840 Double_t interpolatedValue = linExtrapolation->GetParameter(0) + linExtrapolation->GetParameter(1) * centerX
841 + linExtrapolation->GetParameter(2) * centerY;
843 Double_t interpolatedValue = h->Interpolate(centerX, centerY) ;
844 hRefined->SetBinContent(binX, binY, interpolatedValue);
849 // Problem: Interpolation does not work before/beyond center of first/last bin (as the name suggests).
850 // Therefore, for each row in dEdx: Take last bin from old map and interpolate values from center and edge.
851 // Assume line through these points and extropolate to last bin of refined map
852 const Double_t firstOldXbinUpEdge = h->GetXaxis()->GetBinUpEdge(1);
853 const Double_t firstOldXbinCenter = h->GetXaxis()->GetBinCenter(1);
855 const Double_t oldXbinHalfWidth = firstOldXbinUpEdge - firstOldXbinCenter;
857 const Double_t lastOldXbinLowEdge = h->GetXaxis()->GetBinLowEdge(h->GetNbinsX());
858 const Double_t lastOldXbinCenter = h->GetXaxis()->GetBinCenter(h->GetNbinsX());
860 for (Int_t binY = 1; binY <= nBinsYrefined; binY++) {
861 Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY);
863 const Double_t interpolatedCenterFirstXbin = h->Interpolate(firstOldXbinCenter, centerY);
864 const Double_t interpolatedUpEdgeFirstXbin = h->Interpolate(firstOldXbinUpEdge, centerY);
866 const Double_t extrapolationSlopeFirstXbin = (interpolatedUpEdgeFirstXbin - interpolatedCenterFirstXbin) / oldXbinHalfWidth;
867 const Double_t extrapolationOffsetFirstXbin = interpolatedCenterFirstXbin;
870 const Double_t interpolatedCenterLastXbin = h->Interpolate(lastOldXbinCenter, centerY);
871 const Double_t interpolatedLowEdgeLastXbin = h->Interpolate(lastOldXbinLowEdge, centerY);
873 const Double_t extrapolationSlopeLastXbin = (interpolatedCenterLastXbin - interpolatedLowEdgeLastXbin) / oldXbinHalfWidth;
874 const Double_t extrapolationOffsetLastXbin = interpolatedCenterLastXbin;
876 for (Int_t binX = 1; binX <= nBinsXrefined; binX++) {
877 Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX);
879 if (centerX < firstOldXbinCenter) {
880 Double_t extrapolatedValue = extrapolationOffsetFirstXbin + (centerX - firstOldXbinCenter) * extrapolationSlopeFirstXbin;
881 hRefined->SetBinContent(binX, binY, extrapolatedValue);
883 else if (centerX <= lastOldXbinCenter) {
887 Double_t extrapolatedValue = extrapolationOffsetLastXbin + (centerX - lastOldXbinCenter) * extrapolationSlopeLastXbin;
888 hRefined->SetBinContent(binX, binY, extrapolatedValue);
893 delete linExtrapolation;
898 //______________________________________________________________________________
899 void AliPIDResponse::SetTPCEtaMaps(Double_t refineFactorMapX, Double_t refineFactorMapY,
900 Double_t refineFactorSigmaMapX, Double_t refineFactorSigmaMapY)
903 // Load the TPC eta correction maps from the OADB
906 if (fUseTPCEtaCorrection == kFALSE) {
907 // Disable eta correction via setting no maps
908 if (!fTPCResponse.SetEtaCorrMap(0x0))
909 AliInfo("Request to disable TPC eta correction -> Eta correction has been disabled");
911 AliError("Request to disable TPC eta correction -> Some error occured when unloading the correction maps");
913 if (!fTPCResponse.SetSigmaParams(0x0, 0))
914 AliInfo("Request to disable TPC eta correction -> Using old parametrisation for sigma");
916 AliError("Request to disable TPC eta correction -> Some error occured when unloading the sigma maps");
921 TString dataType = "DATA";
922 TString period = fLHCperiod.IsNull() ? "No period information" : fLHCperiod;
925 if (!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
931 if (!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) && fMCperiodTPC.IsNull()) {
932 AliFatal("MC detected, but no MC period set -> Not changing eta maps!");
937 Int_t recopass = fRecoPass;
938 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC) )
939 recopass = fRecoPassUser;
941 TString defaultObj = Form("Default_%s_pass%d", dataType.Data(), recopass);
943 AliInfo(Form("Current period and reco pass: %s.pass%d", period.Data(), recopass));
945 // Invalidate old maps
946 fTPCResponse.SetEtaCorrMap(0x0);
947 fTPCResponse.SetSigmaParams(0x0, 0);
949 // Load the eta correction maps
950 AliOADBContainer etaMapsCont(Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass));
952 Int_t statusCont = etaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()),
953 Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass));
955 AliError("Failed initializing TPC eta correction maps from OADB -> Disabled eta correction");
956 fUseTPCEtaCorrection = kFALSE;
959 AliInfo(Form("Loading TPC eta correction map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()));
963 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
964 TString searchMap = Form("TPCetaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass);
965 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(searchMap.Data()));
967 // Try default object
968 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(defaultObj.Data()));
972 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetObject(fRun, defaultObj.Data()));
977 AliError(Form("TPC eta correction map not found for run %d and also no default map found -> Disabled eta correction!!!", fRun));
978 fUseTPCEtaCorrection = kFALSE;
981 TH2D* etaMapRefined = RefineHistoViaLinearInterpolation(etaMap, refineFactorMapX, refineFactorMapY);
984 if (!fTPCResponse.SetEtaCorrMap(etaMapRefined)) {
985 AliError(Form("Failed to set TPC eta correction map for run %d -> Disabled eta correction!!!", fRun));
986 fTPCResponse.SetEtaCorrMap(0x0);
987 fUseTPCEtaCorrection = kFALSE;
990 AliInfo(Form("Loaded TPC eta correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s (MD5(map) = %s)",
991 refineFactorMapX, refineFactorMapY, fOADBPath.Data(), fTPCResponse.GetEtaCorrMap()->GetTitle(),
992 GetChecksum(fTPCResponse.GetEtaCorrMap()).Data()));
995 delete etaMapRefined;
998 AliError(Form("Failed to set TPC eta correction map for run %d (map was loaded, but couldn't be refined) -> Disabled eta correction!!!", fRun));
999 fUseTPCEtaCorrection = kFALSE;
1004 // If there was some problem loading the eta maps, it makes no sense to load the sigma maps (that require eta corrected data)
1005 if (fUseTPCEtaCorrection == kFALSE) {
1006 AliError("Failed to load TPC eta correction map required by sigma maps -> Using old parametrisation for sigma");
1010 // Load the sigma parametrisation (1/dEdx vs tanTheta_local (~eta))
1011 AliOADBContainer etaSigmaMapsCont(Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass));
1013 statusCont = etaSigmaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()),
1014 Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass));
1016 AliError("Failed initializing TPC eta sigma maps from OADB -> Using old sigma parametrisation");
1019 AliInfo(Form("Loading TPC eta sigma map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()));
1021 TObjArray* etaSigmaPars = 0x0;
1023 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
1024 TString searchMap = Form("TPCetaSigmaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass);
1025 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(searchMap.Data()));
1026 if (!etaSigmaPars) {
1027 // Try default object
1028 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(defaultObj.Data()));
1032 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetObject(fRun, defaultObj.Data()));
1035 if (!etaSigmaPars) {
1036 AliError(Form("TPC eta sigma parametrisation not found for run %d -> Using old sigma parametrisation!!!", fRun));
1039 TH2D* etaSigmaPar1Map = dynamic_cast<TH2D *>(etaSigmaPars->FindObject("sigmaPar1Map"));
1040 TNamed* sigmaPar0Info = dynamic_cast<TNamed *>(etaSigmaPars->FindObject("sigmaPar0"));
1041 Double_t sigmaPar0 = 0.0;
1043 if (sigmaPar0Info) {
1044 TString sigmaPar0String = sigmaPar0Info->GetTitle();
1045 sigmaPar0 = sigmaPar0String.Atof();
1048 // Something is weired because the object for parameter 0 could not be loaded -> New sigma parametrisation can not be used!
1049 etaSigmaPar1Map = 0x0;
1052 TH2D* etaSigmaPar1MapRefined = RefineHistoViaLinearInterpolation(etaSigmaPar1Map, refineFactorSigmaMapX, refineFactorSigmaMapY);
1055 if (etaSigmaPar1MapRefined) {
1056 if (!fTPCResponse.SetSigmaParams(etaSigmaPar1MapRefined, sigmaPar0)) {
1057 AliError(Form("Failed to set TPC eta sigma map for run %d -> Using old sigma parametrisation!!!", fRun));
1058 fTPCResponse.SetSigmaParams(0x0, 0);
1061 AliInfo(Form("Loaded TPC sigma correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s (MD5(map) = %s, sigmaPar0 = %f)",
1062 refineFactorSigmaMapX, refineFactorSigmaMapY, fOADBPath.Data(), fTPCResponse.GetSigmaPar1Map()->GetTitle(),
1063 GetChecksum(fTPCResponse.GetSigmaPar1Map()).Data(), sigmaPar0));
1066 delete etaSigmaPar1MapRefined;
1069 AliError(Form("Failed to set TPC eta sigma map for run %d (map was loaded, but couldn't be refined) -> Using old sigma parametrisation!!!",
1076 //______________________________________________________________________________
1077 void AliPIDResponse::SetTPCPidResponseMaster()
1080 // Load the TPC pid response functions from the OADB
1081 // Load the TPC voltage maps from OADB
1083 //don't load twice for the moment
1084 if (fArrPidResponseMaster) return;
1087 //reset the PID response functions
1088 delete fArrPidResponseMaster;
1089 fArrPidResponseMaster=NULL;
1091 TString fileName(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data()));
1093 if (!fCustomTPCpidResponse.IsNull()) fileName=fCustomTPCpidResponse;
1095 TString fileNamePIDresponse(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data()));
1096 f=TFile::Open(fileNamePIDresponse.Data());
1097 if (f && f->IsOpen() && !f->IsZombie()){
1098 fArrPidResponseMaster=dynamic_cast<TObjArray*>(f->Get("TPCPIDResponse"));
1102 TString fileNameVoltageMaps(Form("%s/COMMON/PID/data/TPCvoltageSettings.root", fOADBPath.Data()));
1103 f=TFile::Open(fileNameVoltageMaps.Data());
1104 if (f && f->IsOpen() && !f->IsZombie()){
1105 fOADBvoltageMaps=dynamic_cast<AliOADBContainer*>(f->Get("TPCvoltageSettings"));
1109 if (!fArrPidResponseMaster){
1110 AliFatal(Form("Could not retrieve the TPC pid response from: %s",fileNamePIDresponse.Data()));
1113 fArrPidResponseMaster->SetOwner();
1115 if (!fOADBvoltageMaps)
1117 AliFatal(Form("Could not retrieve the TPC voltage maps from: %s",fileNameVoltageMaps.Data()));
1119 fArrPidResponseMaster->SetOwner();
1122 //______________________________________________________________________________
1123 void AliPIDResponse::SetTPCParametrisation()
1126 // Change BB parametrisation for current run
1132 fTPCResponse.ResetSplines();
1134 if (fLHCperiod.IsNull()) {
1135 AliError("No period set, not changing parametrisation");
1140 // Set default parametrisations for data and MC
1144 TString datatype="DATA";
1145 //in case of mc fRecoPass is per default 1
1147 if(!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) datatype="MC";
1152 TString period=fLHCperiod;
1153 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) period=fMCperiodTPC;
1155 Int_t recopass = fRecoPass;
1156 if(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) recopass = fRecoPassUser;
1158 AliInfo(Form("Searching splines for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
1159 Bool_t found=kFALSE;
1161 //set the new PID splines
1163 if (fArrPidResponseMaster){
1164 //for MC don't use period information
1165 //if (fIsMC) period="[A-Z0-9]*";
1166 //for MC use MC period information
1167 //pattern for the default entry (valid for all particles)
1168 TPRegexp reg(Form("TSPLINE3_%s_([A-Z]*)_%s_PASS%d_%s_MEAN(_*)([A-Z1-9]*)",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
1170 //find particle id and gain scenario
1171 for (Int_t igainScenario=0; igainScenario<AliTPCPIDResponse::fgkNumberOfGainScenarios; igainScenario++)
1173 TObject *grAll=NULL;
1174 TString gainScenario = AliTPCPIDResponse::GainScenarioName(igainScenario);
1175 gainScenario.ToUpper();
1176 //loop over entries and filter them
1177 for (Int_t iresp=0; iresp<fArrPidResponseMaster->GetEntriesFast();++iresp)
1179 TObject *responseFunction=fArrPidResponseMaster->At(iresp);
1180 if (responseFunction==NULL) continue;
1181 TString responseName=responseFunction->GetName();
1183 if (!reg.MatchB(responseName)) continue;
1185 TObjArray *arr=reg.MatchS(responseName); if (!arr) continue;
1187 tmp=arr->At(1); if (!tmp) continue;
1188 TString particleName=tmp->GetName();
1189 tmp=arr->At(3); if (!tmp) continue;
1190 TString gainScenarioName=tmp->GetName();
1192 if (particleName.IsNull()) continue;
1193 if (!grAll && particleName=="ALL" && gainScenarioName==gainScenario) grAll=responseFunction;
1196 for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec)
1198 TString particle=AliPID::ParticleName(ispec);
1200 //std::cout<<responseName<<" "<<particle<<" "<<particleName<<" "<<gainScenario<<" "<<gainScenarioName<<std::endl;
1201 if ( particle == particleName && gainScenario == gainScenarioName )
1203 fTPCResponse.SetResponseFunction( responseFunction,
1204 (AliPID::EParticleType)ispec,
1205 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1206 fTPCResponse.SetUseDatabase(kTRUE);
1207 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,responseFunction->GetName(),
1208 GetChecksum((TSpline3*)responseFunction).Data()));
1216 // Retrieve responsefunction for pions - will (if available) be used for muons if there are no dedicated muon splines.
1217 // For light nuclei, try to set the proton spline, if no dedicated splines are available.
1218 // In both cases: Use default splines, if no dedicated splines and no pion/proton splines are available.
1219 TObject* responseFunctionPion = fTPCResponse.GetResponseFunction( (AliPID::EParticleType)AliPID::kPion,
1220 (AliTPCPIDResponse::ETPCgainScenario)igainScenario);
1221 TObject* responseFunctionProton = fTPCResponse.GetResponseFunction( (AliPID::EParticleType)AliPID::kProton,
1222 (AliTPCPIDResponse::ETPCgainScenario)igainScenario);
1224 for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec)
1226 if (!fTPCResponse.GetResponseFunction( (AliPID::EParticleType)ispec,
1227 (AliTPCPIDResponse::ETPCgainScenario)igainScenario))
1229 if (ispec == AliPID::kMuon) { // Muons
1230 if (responseFunctionPion) {
1231 fTPCResponse.SetResponseFunction( responseFunctionPion,
1232 (AliPID::EParticleType)ispec,
1233 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1234 fTPCResponse.SetUseDatabase(kTRUE);
1235 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,responseFunctionPion->GetName(),
1236 GetChecksum((TSpline3*)responseFunctionPion).Data()));
1240 fTPCResponse.SetResponseFunction( grAll,
1241 (AliPID::EParticleType)ispec,
1242 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1243 fTPCResponse.SetUseDatabase(kTRUE);
1244 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,grAll->GetName(),
1245 GetChecksum((TSpline3*)grAll).Data()));
1249 // AliError(Form("No splines found for muons (also no pion splines and no default splines) for gain scenario %d!", igainScenario));
1251 else if (ispec >= AliPID::kSPECIES) { // Light nuclei
1252 if (responseFunctionProton) {
1253 fTPCResponse.SetResponseFunction( responseFunctionProton,
1254 (AliPID::EParticleType)ispec,
1255 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1256 fTPCResponse.SetUseDatabase(kTRUE);
1257 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,responseFunctionProton->GetName(),
1258 GetChecksum((TSpline3*)responseFunctionProton).Data()));
1262 fTPCResponse.SetResponseFunction( grAll,
1263 (AliPID::EParticleType)ispec,
1264 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1265 fTPCResponse.SetUseDatabase(kTRUE);
1266 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,grAll->GetName(),
1267 GetChecksum((TSpline3*)grAll).Data()));
1271 // AliError(Form("No splines found for species %d (also no proton splines and no default splines) for gain scenario %d!",
1272 // ispec, igainScenario));
1278 else AliInfo("no fArrPidResponseMaster");
1281 AliError(Form("No splines found for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
1286 // Setup multiplicity correction
1288 if (fUseTPCMultiplicityCorrection && !(fBeamType.CompareTo("PP") == 0)) {
1289 AliInfo("Multiplicity correction enabled!");
1291 //TODO After testing, load parameters from outside
1292 /*TODO now correction for MC
1293 if (period.Contains("LHC11A10")) {//LHC11A10A
1294 AliInfo("Using multiplicity correction parameters for 11a10!");
1295 fTPCResponse.SetParameterMultiplicityCorrection(0, 6.90133e-06);
1296 fTPCResponse.SetParameterMultiplicityCorrection(1, -1.22123e-03);
1297 fTPCResponse.SetParameterMultiplicityCorrection(2, 1.80220e-02);
1298 fTPCResponse.SetParameterMultiplicityCorrection(3, 0.1);
1299 fTPCResponse.SetParameterMultiplicityCorrection(4, 6.45306e-03);
1301 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -2.85505e-07);
1302 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, -1.31911e-06);
1303 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1305 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, -4.29665e-05);
1306 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 1.37023e-02);
1307 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, -6.36337e-01);
1308 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.13479e-02);
1310 else*/ if (period.Contains("LHC13B") || period.Contains("LHC13C") || period.Contains("LHC13D") || period.Contains("LHC13E") ||
1311 period.Contains("LHC13F")) {// 2013 pPb data taking
1312 AliInfo("Using multiplicity correction parameters for 13b.pass2!");
1314 fTPCResponse.SetParameterMultiplicityCorrection(0, -5.906e-06);
1315 fTPCResponse.SetParameterMultiplicityCorrection(1, -5.064e-04);
1316 fTPCResponse.SetParameterMultiplicityCorrection(2, -3.521e-02);
1317 fTPCResponse.SetParameterMultiplicityCorrection(3, 2.469e-02);
1318 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1320 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -5.32e-06);
1321 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 1.177e-05);
1322 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1324 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, 0.);
1325 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 0.);
1326 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, 0.);
1327 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 0.);
1329 /* Not too bad, but far from perfect in the details
1330 fTPCResponse.SetParameterMultiplicityCorrection(0, -6.27187e-06);
1331 fTPCResponse.SetParameterMultiplicityCorrection(1, -4.60649e-04);
1332 fTPCResponse.SetParameterMultiplicityCorrection(2, -4.26450e-02);
1333 fTPCResponse.SetParameterMultiplicityCorrection(3, 2.40590e-02);
1334 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1336 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -5.338e-06);
1337 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 1.220e-05);
1338 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1340 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, 7.89237e-05);
1341 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, -1.30662e-02);
1342 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, 8.91548e-01);
1343 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.47931e-02);
1346 else if (period.Contains("LHC10H") && recopass == 2) {
1347 AliInfo("Using multiplicity correction parameters for 10h.pass2!");
1348 fTPCResponse.SetParameterMultiplicityCorrection(0, 3.21636e-07);
1349 fTPCResponse.SetParameterMultiplicityCorrection(1, -6.65876e-04);
1350 fTPCResponse.SetParameterMultiplicityCorrection(2, 1.28786e-03);
1351 fTPCResponse.SetParameterMultiplicityCorrection(3, 1.47677e-02);
1352 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1354 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, 7.23591e-08);
1355 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 2.7469e-06);
1356 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1358 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, -1.22590e-05);
1359 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 6.88888e-03);
1360 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, -3.20788e-01);
1361 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.07345e-02);
1364 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));
1365 fUseTPCMultiplicityCorrection = kFALSE;
1366 fTPCResponse.ResetMultiplicityCorrectionFunctions();
1370 // Just set parameters such that overall correction factor is 1, i.e. no correction.
1371 // This is just a reasonable choice for the parameters for safety reasons. Disabling
1372 // the multiplicity correction will anyhow skip the calculation of the corresponding
1373 // correction factor inside THIS class. Nevertheless, experts can access the TPCPIDResponse
1374 // directly and use it for calculations - which should still give valid results, even if
1375 // the multiplicity correction is explicitely enabled in such expert calls.
1377 AliInfo(Form("Multiplicity correction %sdisabled (%s)!", fUseTPCMultiplicityCorrection ? "automatically " : "",
1378 fUseTPCMultiplicityCorrection ? "pp collisions" : "requested by user"));
1380 fUseTPCMultiplicityCorrection = kFALSE;
1381 fTPCResponse.ResetMultiplicityCorrectionFunctions();
1386 for (Int_t i = 0; i <= 4 + 1; i++) {
1387 printf("parMultCorr: %d, %e\n", i, fTPCResponse.GetMultiplicityCorrectionFunction()->GetParameter(i));
1389 for (Int_t j = 0; j <= 2 + 1; j++) {
1390 printf("parMultCorrTanTheta: %d, %e\n", j, fTPCResponse.GetMultiplicityCorrectionFunctionTanTheta()->GetParameter(j));
1392 for (Int_t j = 0; j <= 3 + 1; j++) {
1393 printf("parMultSigmaCorr: %d, %e\n", j, fTPCResponse.GetMultiplicitySigmaCorrectionFunction()->GetParameter(j));
1400 // Setup old resolution parametrisation
1404 fTPCResponse.SetSigma(3.79301e-03, 2.21280e+04);
1407 fTPCResponse.SetSigma(2.30176e-02, 5.60422e+02);
1411 // if (fRun>=188356){
1412 fTPCResponse.SetSigma(8.62022e-04, 9.08156e+05);
1415 if (fArrPidResponseMaster)
1416 fResolutionCorrection=(TF1*)fArrPidResponseMaster->FindObject(Form("TF1_%s_ALL_%s_PASS%d_%s_SIGMA",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
1418 if (fResolutionCorrection) AliInfo(Form("Setting multiplicity correction function: %s (MD5(corr function) = %s)",
1419 fResolutionCorrection->GetName(), GetChecksum(fResolutionCorrection).Data()));
1421 //read in the voltage map
1422 TVectorF* gsm = 0x0;
1423 if (fOADBvoltageMaps) gsm=dynamic_cast<TVectorF*>(fOADBvoltageMaps->GetObject(fRun));
1426 fTPCResponse.SetVoltageMap(*gsm);
1428 AliInfo(Form("Reading the voltage map for run %d\n",fRun));
1429 vals="IROC A: "; for (Int_t i=0; i<18; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1430 AliInfo(vals.Data());
1431 vals="IROC C: "; for (Int_t i=18; i<36; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1432 AliInfo(vals.Data());
1433 vals="OROC A: "; for (Int_t i=36; i<54; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1434 AliInfo(vals.Data());
1435 vals="OROC C: "; for (Int_t i=54; i<72; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1436 AliInfo(vals.Data());
1438 else AliInfo("no voltage map, ideal default assumed");
1441 //______________________________________________________________________________
1442 void AliPIDResponse::SetTRDPidResponseMaster()
1445 // Load the TRD pid params and references from the OADB
1447 if(fTRDPIDResponseObject) return;
1448 AliOADBContainer contParams("contParams");
1450 Int_t statusResponse = contParams.InitFromFile(Form("%s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()), "AliTRDPIDResponseObject");
1452 AliError("Failed initializing PID Response Object from OADB");
1454 AliInfo(Form("Loading TRD Response from %s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()));
1455 fTRDPIDResponseObject = dynamic_cast<AliTRDPIDResponseObject *>(contParams.GetObject(fRun));
1456 if(!fTRDPIDResponseObject){
1457 AliError(Form("TRD Response not found in run %d", fRun));
1462 //______________________________________________________________________________
1463 void AliPIDResponse::InitializeTRDResponse(){
1465 // Set PID Params and references to the TRD PID response
1467 fTRDResponse.SetPIDResponseObject(fTRDPIDResponseObject);
1470 //______________________________________________________________________________
1471 void AliPIDResponse::SetTRDSlices(UInt_t TRDslicesForPID[2],AliTRDPIDResponse::ETRDPIDMethod method) const{
1473 if(fLHCperiod.Contains("LHC10D") || fLHCperiod.Contains("LHC10E")){
1474 // backward compatibility for setting with 8 slices
1475 TRDslicesForPID[0] = 0;
1476 TRDslicesForPID[1] = 7;
1479 if(method==AliTRDPIDResponse::kLQ1D){
1480 TRDslicesForPID[0] = 0; // first Slice contains normalized dEdx
1481 TRDslicesForPID[1] = 0;
1483 if(method==AliTRDPIDResponse::kLQ2D){
1484 TRDslicesForPID[0] = 1;
1485 TRDslicesForPID[1] = 7;
1488 AliDebug(1,Form("Slice Range set to %d - %d",TRDslicesForPID[0],TRDslicesForPID[1]));
1491 //______________________________________________________________________________
1492 void AliPIDResponse::SetTOFPidResponseMaster()
1495 // Load the TOF pid params from the OADB
1498 if (fTOFPIDParams) delete fTOFPIDParams;
1501 TFile *oadbf = new TFile(Form("%s/COMMON/PID/data/TOFPIDParams.root",fOADBPath.Data()));
1502 if (oadbf && oadbf->IsOpen()) {
1503 AliInfo(Form("Loading TOF Params from %s/COMMON/PID/data/TOFPIDParams.root", fOADBPath.Data()));
1504 AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("TOFoadb");
1505 if (oadbc) fTOFPIDParams = dynamic_cast<AliTOFPIDParams *>(oadbc->GetObject(fRun,"TOFparams"));
1511 if (!fTOFPIDParams) AliFatal("TOFPIDParams could not be retrieved");
1514 //______________________________________________________________________________
1515 void AliPIDResponse::InitializeTOFResponse(){
1517 // Set PID Params to the TOF PID response
1520 AliInfo("TOF PID Params loaded from OADB");
1521 AliInfo(Form(" TOF resolution %5.2f [ps]",fTOFPIDParams->GetTOFresolution()));
1522 AliInfo(Form(" StartTime method %d",fTOFPIDParams->GetStartTimeMethod()));
1523 AliInfo(Form(" TOF res. mom. params: %5.2f %5.2f %5.2f %5.2f",
1524 fTOFPIDParams->GetSigParams(0),fTOFPIDParams->GetSigParams(1),fTOFPIDParams->GetSigParams(2),fTOFPIDParams->GetSigParams(3)));
1526 for (Int_t i=0;i<4;i++) {
1527 fTOFResponse.SetTrackParameter(i,fTOFPIDParams->GetSigParams(i));
1529 fTOFResponse.SetTimeResolution(fTOFPIDParams->GetTOFresolution());
1531 AliInfo("TZERO resolution loaded from ESDrun/AODheader");
1532 Float_t t0Spread[4];
1533 for (Int_t i=0;i<4;i++) t0Spread[i]=fCurrentEvent->GetT0spread(i);
1534 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]));
1535 Float_t a = t0Spread[1]*t0Spread[1]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3];
1536 Float_t c = t0Spread[2]*t0Spread[2]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3];
1537 if ( (t0Spread[0] > 50. && t0Spread[0] < 400.) && (a > 0.) && (c>0.)) {
1538 fResT0AC=t0Spread[3];
1539 fResT0A=TMath::Sqrt(a);
1540 fResT0C=TMath::Sqrt(c);
1542 AliInfo(" TZERO spreads not present or inconsistent, loading default");
1547 AliInfo(Form(" TZERO resolution set to: T0A: %f [ps] T0C: %f [ps] T0AC %f [ps]",fResT0A,fResT0C,fResT0AC));
1551 //______________________________________________________________________________
1552 void AliPIDResponse::SetHMPIDPidResponseMaster()
1555 // Load the HMPID pid params from the OADB
1558 if (fHMPIDPIDParams) delete fHMPIDPIDParams;
1559 fHMPIDPIDParams=NULL;
1561 TFile *oadbf = new TFile(Form("%s/COMMON/PID/data/HMPIDPIDParams.root",fOADBPath.Data()));
1562 if (oadbf && oadbf->IsOpen()) {
1563 AliInfo(Form("Loading HMPID Params from %s/COMMON/PID/data/HMPIDPIDParams.root", fOADBPath.Data()));
1564 AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("HMPoadb");
1565 if (oadbc) fHMPIDPIDParams = dynamic_cast<AliHMPIDPIDParams *>(oadbc->GetObject(fRun,"HMPparams"));
1571 if (!fHMPIDPIDParams) AliFatal("HMPIDPIDParams could not be retrieved");
1574 //______________________________________________________________________________
1575 void AliPIDResponse::InitializeHMPIDResponse(){
1577 // Set PID Params to the HMPID PID response
1580 fHMPIDResponse.SetRefIndexArray(fHMPIDPIDParams->GetHMPIDrefIndex());
1583 //______________________________________________________________________________
1584 Bool_t AliPIDResponse::IdentifiedAsElectronTRD(const AliVTrack *vtrack, Double_t efficiencyLevel,Double_t centrality,AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const {
1586 // Check whether track is identified as electron under a given electron efficiency hypothesis
1589 Double_t probs[AliPID::kSPECIES];
1590 ComputeTRDProbability(vtrack, AliPID::kSPECIES, probs,PIDmethod);
1592 Int_t ntracklets = vtrack->GetTRDntrackletsPID();
1593 // Take mean of the TRD momenta in the given tracklets
1594 Float_t p = 0, trdmomenta[AliVTrack::kTRDnPlanes];
1596 for(Int_t iPl=0;iPl<AliVTrack::kTRDnPlanes;iPl++){
1597 if(vtrack->GetTRDmomentum(iPl) > 0.){
1598 trdmomenta[nmomenta++] = vtrack->GetTRDmomentum(iPl);
1601 p = TMath::Mean(nmomenta, trdmomenta);
1603 return fTRDResponse.IdentifiedAsElectron(ntracklets, probs, p, efficiencyLevel,centrality,PIDmethod);
1606 //______________________________________________________________________________
1607 void AliPIDResponse::SetEMCALPidResponseMaster()
1610 // Load the EMCAL pid response functions from the OADB
1612 TObjArray* fEMCALPIDParamsRun = NULL;
1613 TObjArray* fEMCALPIDParamsPass = NULL;
1615 if(fEMCALPIDParams) return;
1616 AliOADBContainer contParams("contParams");
1618 Int_t statusPars = contParams.InitFromFile(Form("%s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()), "AliEMCALPIDParams");
1620 AliError("Failed initializing PID Params from OADB");
1623 AliInfo(Form("Loading EMCAL Params from %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()));
1625 fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(fRun));
1626 if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",fRecoPass)));
1627 if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles")));
1629 if(!fEMCALPIDParams){
1630 AliInfo(Form("EMCAL Params not found in run %d pass %d", fRun, fRecoPass));
1631 AliInfo("Will take the standard LHC11d instead ...");
1633 fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(156477));
1634 if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",1)));
1635 if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles")));
1637 if(!fEMCALPIDParams){
1638 AliError(Form("DEFAULT EMCAL Params (LHC11d) not found in file %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()));
1644 //______________________________________________________________________________
1645 void AliPIDResponse::InitializeEMCALResponse(){
1647 // Set PID Params to the EMCAL PID response
1649 fEMCALResponse.SetPIDParams(fEMCALPIDParams);
1653 //______________________________________________________________________________
1654 void AliPIDResponse::FillTrackDetectorPID(const AliVTrack *track, EDetector detector) const
1657 // create detector PID information and setup the transient pointer in the track
1660 // check if detector number is inside accepted range
1661 if (detector == kNdetectors) return;
1664 AliDetectorPID *detPID=const_cast<AliDetectorPID*>(track->GetDetectorPID());
1666 detPID=new AliDetectorPID;
1667 (const_cast<AliVTrack*>(track))->SetDetectorPID(detPID);
1670 //check if values exist
1671 if (detPID->HasRawProbability(detector) && detPID->HasNumberOfSigmas(detector)) return;
1673 //TODO: which particles to include? See also the loops below...
1674 Double_t values[AliPID::kSPECIESC]={0};
1677 EDetPidStatus status=GetComputePIDProbability(detector,track,AliPID::kSPECIESC,values);
1678 detPID->SetRawProbability(detector, values, (Int_t)AliPID::kSPECIESC, status);
1681 for (Int_t ipart=0; ipart<AliPID::kSPECIESC; ++ipart)
1682 values[ipart]=GetNumberOfSigmas(detector,track,(AliPID::EParticleType)ipart);
1683 // the pid status is the same for probabilities and nSigmas, so it is
1684 // fine to use the one from the probabilities also here
1685 detPID->SetNumberOfSigmas(detector, values, (Int_t)AliPID::kSPECIESC, status);
1689 //______________________________________________________________________________
1690 void AliPIDResponse::FillTrackDetectorPID()
1693 // create detector PID information and setup the transient pointer in the track
1696 if (!fCurrentEvent) return;
1698 for (Int_t itrack=0; itrack<fCurrentEvent->GetNumberOfTracks(); ++itrack){
1699 AliVTrack *track=dynamic_cast<AliVTrack*>(fCurrentEvent->GetTrack(itrack));
1700 if (!track) continue;
1702 for (Int_t idet=0; idet<kNdetectors; ++idet){
1703 FillTrackDetectorPID(track, (EDetector)idet);
1708 //______________________________________________________________________________
1709 void AliPIDResponse::SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option){
1711 // Set TOF response function
1712 // Input option for event_time used
1715 Float_t t0spread = 0.; //vevent->GetEventTimeSpread();
1716 if(t0spread < 10) t0spread = 80;
1718 // T0 from TOF algorithm
1720 Bool_t flagT0TOF=kFALSE;
1721 Bool_t flagT0T0=kFALSE;
1722 Float_t *startTime = new Float_t[fTOFResponse.GetNmomBins()];
1723 Float_t *startTimeRes = new Float_t[fTOFResponse.GetNmomBins()];
1724 Int_t *startTimeMask = new Int_t[fTOFResponse.GetNmomBins()];
1727 Float_t *estimatedT0event = new Float_t[fTOFResponse.GetNmomBins()];
1728 Float_t *estimatedT0resolution = new Float_t[fTOFResponse.GetNmomBins()];
1729 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1730 estimatedT0event[i]=0.0;
1731 estimatedT0resolution[i]=0.0;
1732 startTimeMask[i] = 0;
1735 Float_t resT0A=fResT0A;
1736 Float_t resT0C=fResT0C;
1737 Float_t resT0AC=fResT0AC;
1738 if(vevent->GetT0TOF()){ // check if T0 detector information is available
1743 AliTOFHeader *tofHeader = (AliTOFHeader*)vevent->GetTOFHeader();
1745 if (tofHeader) { // read global info and T0-TOF
1746 fTOFResponse.SetTimeResolution(tofHeader->GetTOFResolution());
1747 t0spread = tofHeader->GetT0spread(); // read t0 sprad
1748 if(t0spread < 10) t0spread = 80;
1751 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ // read T0-TOF default value
1752 startTime[i]=tofHeader->GetDefaultEventTimeVal();
1753 startTimeRes[i]=tofHeader->GetDefaultEventTimeRes();
1754 if(startTimeRes[i] < 1.e-5) startTimeRes[i] = t0spread;
1757 TArrayI *ibin=(TArrayI*)tofHeader->GetNvalues();
1758 TArrayF *t0Bin=(TArrayF*)tofHeader->GetEventTimeValues();
1759 TArrayF *t0ResBin=(TArrayF*)tofHeader->GetEventTimeRes();
1760 for(Int_t j=0;j < tofHeader->GetNbins();j++){ // fill T0-TOF in p-bins
1761 Int_t icurrent = (Int_t)ibin->GetAt(j);
1762 startTime[icurrent]=t0Bin->GetAt(j);
1763 startTimeRes[icurrent]=t0ResBin->GetAt(j);
1764 if(startTimeRes[icurrent] < 1.e-5) startTimeRes[icurrent] = t0spread;
1768 // for cut of 3 sigma on t0 spread
1769 Float_t t0cut = 3 * t0spread;
1770 if(t0cut < 500) t0cut = 500;
1772 if(option == kFILL_T0){ // T0-FILL is used
1773 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1774 estimatedT0event[i]=0.0;
1775 estimatedT0resolution[i]=t0spread;
1777 fTOFResponse.SetT0event(estimatedT0event);
1778 fTOFResponse.SetT0resolution(estimatedT0resolution);
1781 if(option == kTOF_T0){ // T0-TOF is used when available (T0-FILL otherwise) from ESD
1783 fTOFResponse.SetT0event(startTime);
1784 fTOFResponse.SetT0resolution(startTimeRes);
1785 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1786 if(startTimeRes[i]<t0spread) startTimeMask[i]=1;
1787 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1791 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1792 estimatedT0event[i]=0.0;
1793 estimatedT0resolution[i]=t0spread;
1794 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1796 fTOFResponse.SetT0event(estimatedT0event);
1797 fTOFResponse.SetT0resolution(estimatedT0resolution);
1800 else if(option == kBest_T0){ // T0-T0 or T0-TOF are used when available (T0-FILL otherwise) from ESD
1801 Float_t t0AC=-10000;
1805 t0A= vevent->GetT0TOF()[1];
1806 t0C= vevent->GetT0TOF()[2];
1807 // t0AC= vevent->GetT0TOF()[0];
1808 t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C;
1809 resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C);
1810 t0AC /= resT0AC*resT0AC;
1813 Float_t t0t0Best = 0;
1814 Float_t t0t0BestRes = 9999;
1816 if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){
1818 t0t0BestRes = resT0AC;
1821 else if(TMath::Abs(t0C) < t0cut){
1823 t0t0BestRes = resT0C;
1826 else if(TMath::Abs(t0A) < t0cut){
1828 t0t0BestRes = resT0A;
1832 if(flagT0TOF){ // if T0-TOF info is available
1833 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1834 if(t0t0BestRes < 999){
1835 if(startTimeRes[i] < t0spread){
1836 Double_t wtot = 1./startTimeRes[i]/startTimeRes[i] + 1./t0t0BestRes/t0t0BestRes;
1837 Double_t t0best = startTime[i]/startTimeRes[i]/startTimeRes[i] + t0t0Best/t0t0BestRes/t0t0BestRes;
1838 estimatedT0event[i]=t0best / wtot;
1839 estimatedT0resolution[i]=1./TMath::Sqrt(wtot);
1840 startTimeMask[i] = t0used+1;
1843 estimatedT0event[i]=t0t0Best;
1844 estimatedT0resolution[i]=t0t0BestRes;
1845 startTimeMask[i] = t0used;
1849 estimatedT0event[i]=startTime[i];
1850 estimatedT0resolution[i]=startTimeRes[i];
1851 if(startTimeRes[i]<t0spread) startTimeMask[i]=1;
1853 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1855 fTOFResponse.SetT0event(estimatedT0event);
1856 fTOFResponse.SetT0resolution(estimatedT0resolution);
1858 else{ // if no T0-TOF info is available
1859 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1860 fTOFResponse.SetT0binMask(i,t0used);
1861 if(t0t0BestRes < 999){
1862 estimatedT0event[i]=t0t0Best;
1863 estimatedT0resolution[i]=t0t0BestRes;
1866 estimatedT0event[i]=0.0;
1867 estimatedT0resolution[i]=t0spread;
1870 fTOFResponse.SetT0event(estimatedT0event);
1871 fTOFResponse.SetT0resolution(estimatedT0resolution);
1875 else if(option == kT0_T0){ // T0-T0 is used when available (T0-FILL otherwise)
1876 Float_t t0AC=-10000;
1880 t0A= vevent->GetT0TOF()[1];
1881 t0C= vevent->GetT0TOF()[2];
1882 // t0AC= vevent->GetT0TOF()[0];
1883 t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C;
1884 resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C);
1885 t0AC /= resT0AC*resT0AC;
1888 if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){
1889 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1890 estimatedT0event[i]=t0AC;
1891 estimatedT0resolution[i]=resT0AC;
1892 fTOFResponse.SetT0binMask(i,6);
1895 else if(TMath::Abs(t0C) < t0cut){
1896 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1897 estimatedT0event[i]=t0C;
1898 estimatedT0resolution[i]=resT0C;
1899 fTOFResponse.SetT0binMask(i,4);
1902 else if(TMath::Abs(t0A) < t0cut){
1903 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1904 estimatedT0event[i]=t0A;
1905 estimatedT0resolution[i]=resT0A;
1906 fTOFResponse.SetT0binMask(i,2);
1910 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1911 estimatedT0event[i]=0.0;
1912 estimatedT0resolution[i]=t0spread;
1913 fTOFResponse.SetT0binMask(i,0);
1916 fTOFResponse.SetT0event(estimatedT0event);
1917 fTOFResponse.SetT0resolution(estimatedT0resolution);
1919 delete [] startTime;
1920 delete [] startTimeRes;
1921 delete [] startTimeMask;
1922 delete [] estimatedT0event;
1923 delete [] estimatedT0resolution;
1926 //______________________________________________________________________________
1927 // private non cached versions of the PID calculation
1931 //______________________________________________________________________________
1932 Float_t AliPIDResponse::GetNumberOfSigmas(EDetector detector, const AliVParticle *vtrack, AliPID::EParticleType type) const
1935 // NumberOfSigmas for 'detCode'
1938 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
1941 case kITS: return GetNumberOfSigmasITS(track, type); break;
1942 case kTPC: return GetNumberOfSigmasTPC(track, type); break;
1943 case kTOF: return GetNumberOfSigmasTOF(track, type); break;
1944 case kHMPID: return GetNumberOfSigmasHMPID(track, type); break;
1945 case kEMCAL: return GetNumberOfSigmasEMCAL(track, type); break;
1946 default: return -999.;
1952 //______________________________________________________________________________
1953 Float_t AliPIDResponse::GetNumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const
1956 // Calculate the number of sigmas in the ITS
1959 AliVTrack *track=(AliVTrack*)vtrack;
1961 const EDetPidStatus pidStatus=GetITSPIDStatus(track);
1962 if (pidStatus!=kDetPidOk) return -999.;
1964 return fITSResponse.GetNumberOfSigmas(track,type);
1967 //______________________________________________________________________________
1968 Float_t AliPIDResponse::GetNumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const
1971 // Calculate the number of sigmas in the TPC
1974 AliVTrack *track=(AliVTrack*)vtrack;
1976 const EDetPidStatus pidStatus=GetTPCPIDStatus(track);
1977 if (pidStatus!=kDetPidOk) return -999.;
1979 // the following call is needed in order to fill the transient data member
1980 // fTPCsignalTuned which is used in the TPCPIDResponse to judge
1981 // if using tuned on data
1982 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))
1983 this->GetTPCsignalTunedOnData(track);
1985 return fTPCResponse.GetNumberOfSigmas(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
1988 //______________________________________________________________________________
1989 Float_t AliPIDResponse::GetNumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const
1992 // Calculate the number of sigmas in the TOF
1995 AliVTrack *track=(AliVTrack*)vtrack;
1997 const EDetPidStatus pidStatus=GetTOFPIDStatus(track);
1998 if (pidStatus!=kDetPidOk) return -999.;
2000 return GetNumberOfSigmasTOFold(vtrack, type);
2002 //______________________________________________________________________________
2004 Float_t AliPIDResponse::GetNumberOfSigmasHMPID(const AliVParticle *vtrack, AliPID::EParticleType type) const
2007 // Calculate the number of sigmas in the HMPID
2009 AliVTrack *track=(AliVTrack*)vtrack;
2011 const EDetPidStatus pidStatus=GetHMPIDPIDStatus(track);
2012 if (pidStatus!=kDetPidOk) return -999.;
2014 return fHMPIDResponse.GetNumberOfSigmas(track, type);
2017 //______________________________________________________________________________
2018 Float_t AliPIDResponse::GetNumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const
2021 // Calculate the number of sigmas in the EMCAL
2024 AliVTrack *track=(AliVTrack*)vtrack;
2026 const EDetPidStatus pidStatus=GetEMCALPIDStatus(track);
2027 if (pidStatus!=kDetPidOk) return -999.;
2029 const Int_t nMatchClus = track->GetEMCALcluster();
2030 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
2032 const Double_t mom = track->P();
2033 const Double_t pt = track->Pt();
2034 const Int_t charge = track->Charge();
2035 const Double_t fClsE = matchedClus->E();
2036 const Double_t EovP = fClsE/mom;
2038 return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge);
2041 //______________________________________________________________________________
2042 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaITS(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2045 // Signal minus expected Signal for ITS
2047 AliVTrack *track=(AliVTrack*)vtrack;
2048 val=fITSResponse.GetSignalDelta(track,type,ratio);
2050 return GetITSPIDStatus(track);
2053 //______________________________________________________________________________
2054 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTPC(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2057 // Signal minus expected Signal for TPC
2059 AliVTrack *track=(AliVTrack*)vtrack;
2061 // the following call is needed in order to fill the transient data member
2062 // fTPCsignalTuned which is used in the TPCPIDResponse to judge
2063 // if using tuned on data
2064 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))
2065 this->GetTPCsignalTunedOnData(track);
2067 val=fTPCResponse.GetSignalDelta(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection, ratio);
2069 return GetTPCPIDStatus(track);
2072 //______________________________________________________________________________
2073 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTOF(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2076 // Signal minus expected Signal for TOF
2078 AliVTrack *track=(AliVTrack*)vtrack;
2079 val=GetSignalDeltaTOFold(track, type, ratio);
2081 return GetTOFPIDStatus(track);
2084 //______________________________________________________________________________
2085 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaHMPID(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2088 // Signal minus expected Signal for HMPID
2090 AliVTrack *track=(AliVTrack*)vtrack;
2091 val=fHMPIDResponse.GetSignalDelta(track, type, ratio);
2093 return GetHMPIDPIDStatus(track);
2096 //______________________________________________________________________________
2097 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2100 // Compute PID response of 'detCode'
2104 case kITS: return GetComputeITSProbability(track, nSpecies, p); break;
2105 case kTPC: return GetComputeTPCProbability(track, nSpecies, p); break;
2106 case kTRD: return GetComputeTRDProbability(track, nSpecies, p); break;
2107 case kTOF: return GetComputeTOFProbability(track, nSpecies, p); break;
2108 case kPHOS: return GetComputePHOSProbability(track, nSpecies, p); break;
2109 case kEMCAL: return GetComputeEMCALProbability(track, nSpecies, p); break;
2110 case kHMPID: return GetComputeHMPIDProbability(track, nSpecies, p); break;
2111 default: return kDetNoSignal;
2115 //______________________________________________________________________________
2116 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2119 // Compute PID response for the ITS
2122 // set flat distribution (no decision)
2123 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2125 const EDetPidStatus pidStatus=GetITSPIDStatus(track);
2126 if (pidStatus!=kDetPidOk) return pidStatus;
2128 if (track->GetDetectorPID()){
2129 return track->GetDetectorPID()->GetRawProbability(kITS, p, nSpecies);
2132 //check for ITS standalone tracks
2134 if( track->GetStatus() & AliVTrack::kTPCin ) isSA=kFALSE;
2136 Double_t mom=track->P();
2137 Double_t dedx=track->GetITSsignal();
2138 Double_t momITS=mom;
2139 UChar_t clumap=track->GetITSClusterMap();
2140 Int_t nPointsForPid=0;
2141 for(Int_t i=2; i<6; i++){
2142 if(clumap&(1<<i)) ++nPointsForPid;
2145 Bool_t mismatch=kTRUE/*, heavy=kTRUE*/;
2146 for (Int_t j=0; j<nSpecies; j++) {
2147 Double_t mass=AliPID::ParticleMassZ(j);//GeV/c^2
2148 const Double_t chargeFactor = TMath::Power(AliPID::ParticleCharge(j),2.);
2149 Double_t bethe=fITSResponse.Bethe(momITS,mass)*chargeFactor;
2150 //TODO: in case of the electron, use the SA parametrisation,
2151 // this needs to be changed if ITS provides a parametrisation
2152 // for electrons also for ITS+TPC tracks
2153 Double_t sigma=fITSResponse.GetResolution(bethe,nPointsForPid,isSA || (j==(Int_t)AliPID::kElectron));
2154 if (TMath::Abs(dedx-bethe) > fRange*sigma) {
2155 p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma;
2157 p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma;
2163 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2168 //______________________________________________________________________________
2169 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2172 // Compute PID response for the TPC
2175 // set flat distribution (no decision)
2176 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2178 const EDetPidStatus pidStatus=GetTPCPIDStatus(track);
2179 if (pidStatus!=kDetPidOk) return pidStatus;
2181 Double_t dedx=track->GetTPCsignal();
2182 Bool_t mismatch=kTRUE/*, heavy=kTRUE*/;
2184 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) dedx = this->GetTPCsignalTunedOnData(track);
2186 Double_t bethe = 0.;
2187 Double_t sigma = 0.;
2189 for (Int_t j=0; j<nSpecies; j++) {
2190 AliPID::EParticleType type=AliPID::EParticleType(j);
2192 bethe=fTPCResponse.GetExpectedSignal(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
2193 sigma=fTPCResponse.GetExpectedSigma(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
2195 if (TMath::Abs(dedx-bethe) > fRange*sigma) {
2196 p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma;
2198 p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma;
2204 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2209 //______________________________________________________________________________
2210 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2213 // Compute PID probabilities for TOF
2216 // set flat distribution (no decision)
2217 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2219 const EDetPidStatus pidStatus=GetTOFPIDStatus(track);
2220 if (pidStatus!=kDetPidOk) return pidStatus;
2222 const Double_t meanCorrFactor = 0.07/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1)
2224 for (Int_t j=0; j<nSpecies; j++) {
2225 AliPID::EParticleType type=AliPID::EParticleType(j);
2226 const Double_t nsigmas=GetNumberOfSigmasTOFold(track,type) + meanCorrFactor;
2228 const Double_t expTime = fTOFResponse.GetExpectedSignal(track,type);
2229 const Double_t sig = fTOFResponse.GetExpectedSigma(track->P(),expTime,AliPID::ParticleMassZ(type));
2230 if (TMath::Abs(nsigmas) > (fRange+2)) {
2231 if(nsigmas < fTOFtail)
2232 p[j] = TMath::Exp(-0.5*(fRange+2)*(fRange+2))/sig;
2234 p[j] = TMath::Exp(-(fRange+2 - fTOFtail*0.5)*fTOFtail)/sig;
2236 if(nsigmas < fTOFtail)
2237 p[j] = TMath::Exp(-0.5*nsigmas*nsigmas)/sig;
2239 p[j] = TMath::Exp(-(nsigmas - fTOFtail*0.5)*fTOFtail)/sig;
2245 //______________________________________________________________________________
2246 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod/*=AliTRDPIDResponse::kLQ1D*/) const
2249 // Compute PID probabilities for the TRD
2252 // set flat distribution (no decision)
2253 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2255 const EDetPidStatus pidStatus=GetTRDPIDStatus(track);
2256 if (pidStatus!=kDetPidOk) return pidStatus;
2258 UInt_t TRDslicesForPID[2];
2259 SetTRDSlices(TRDslicesForPID,PIDmethod);
2261 Float_t mom[6]={0.};
2262 Double_t dedx[48]={0.}; // Allocate space for the maximum number of TRD slices
2263 Int_t nslices = TRDslicesForPID[1] - TRDslicesForPID[0] + 1;
2264 AliDebug(1, Form("First Slice: %d, Last Slice: %d, Number of slices: %d", TRDslicesForPID[0], TRDslicesForPID[1], nslices));
2265 for(UInt_t ilayer = 0; ilayer < 6; ilayer++){
2266 mom[ilayer] = track->GetTRDmomentum(ilayer);
2267 for(UInt_t islice = TRDslicesForPID[0]; islice <= TRDslicesForPID[1]; islice++){
2268 dedx[ilayer*nslices+islice-TRDslicesForPID[0]] = track->GetTRDslice(ilayer, islice);
2272 fTRDResponse.GetResponse(nslices, dedx, mom, p,PIDmethod);
2276 //______________________________________________________________________________
2277 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2280 // Compute PID response for the EMCAL
2283 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2285 const EDetPidStatus pidStatus=GetEMCALPIDStatus(track);
2286 if (pidStatus!=kDetPidOk) return pidStatus;
2288 const Int_t nMatchClus = track->GetEMCALcluster();
2289 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
2291 const Double_t mom = track->P();
2292 const Double_t pt = track->Pt();
2293 const Int_t charge = track->Charge();
2294 const Double_t fClsE = matchedClus->E();
2295 const Double_t EovP = fClsE/mom;
2297 // compute the probabilities
2298 fEMCALResponse.ComputeEMCALProbability(nSpecies,pt,EovP,charge,p);
2302 //______________________________________________________________________________
2303 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const
2306 // Compute PID response for the PHOS
2309 // set flat distribution (no decision)
2310 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2311 return kDetNoSignal;
2314 //______________________________________________________________________________
2315 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2318 // Compute PID response for the HMPID
2321 // set flat distribution (no decision)
2322 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2324 const EDetPidStatus pidStatus=GetHMPIDPIDStatus(track);
2325 if (pidStatus!=kDetPidOk) return pidStatus;
2327 fHMPIDResponse.GetProbability(track,nSpecies,p);
2332 //______________________________________________________________________________
2333 AliPIDResponse::EDetPidStatus AliPIDResponse::GetITSPIDStatus(const AliVTrack *track) const
2335 // compute ITS pid status
2337 // check status bits
2338 if ((track->GetStatus()&AliVTrack::kITSin)==0 &&
2339 (track->GetStatus()&AliVTrack::kITSout)==0) return kDetNoSignal;
2341 const Float_t dEdx=track->GetITSsignal();
2342 if (dEdx<=0) return kDetNoSignal;
2344 // requite at least 3 pid clusters
2345 const UChar_t clumap=track->GetITSClusterMap();
2346 Int_t nPointsForPid=0;
2347 for(Int_t i=2; i<6; i++){
2348 if(clumap&(1<<i)) ++nPointsForPid;
2351 if(nPointsForPid<3) {
2352 return kDetNoSignal;
2358 //______________________________________________________________________________
2359 AliPIDResponse::EDetPidStatus AliPIDResponse:: GetTPCPIDStatus(const AliVTrack *track) const
2361 // compute TPC pid status
2363 // check quality of the track
2364 if ( (track->GetStatus()&AliVTrack::kTPCin )==0 && (track->GetStatus()&AliVTrack::kTPCout)==0 ) return kDetNoSignal;
2367 const Double_t dedx=track->GetTPCsignal();
2368 const UShort_t signalN=track->GetTPCsignalN();
2369 if (signalN<10 || dedx<10) return kDetNoSignal;
2371 if (!(fArrPidResponseMaster && fArrPidResponseMaster->At(AliPID::kPion))) return kDetNoParams;
2376 //______________________________________________________________________________
2377 AliPIDResponse::EDetPidStatus AliPIDResponse::GetTRDPIDStatus(const AliVTrack *track) const
2379 // compute TRD pid status
2381 if((track->GetStatus()&AliVTrack::kTRDout)==0) return kDetNoSignal;
2385 //______________________________________________________________________________
2386 AliPIDResponse::EDetPidStatus AliPIDResponse::GetTOFPIDStatus(const AliVTrack *track) const
2388 // compute TOF pid status
2390 if ((track->GetStatus()&AliVTrack::kTOFout)==0) return kDetNoSignal;
2391 if ((track->GetStatus()&AliVTrack::kTIME)==0) return kDetNoSignal;
2396 //______________________________________________________________________________
2397 Float_t AliPIDResponse::GetTOFMismatchProbability(const AliVTrack *track) const
2399 // compute mismatch probability cross-checking at 5 sigmas with TPC
2400 // currently just implemented as a 5 sigma compatibility cut
2403 const EDetPidStatus tofStatus=GetTOFPIDStatus(track);
2404 if (tofStatus!=kDetPidOk) return 0.;
2407 const EDetPidStatus tpcStatus=GetTPCPIDStatus(track);
2408 if (tpcStatus!=kDetPidOk) return 0.;
2410 const Double_t meanCorrFactor = 0.11/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1)
2411 Bool_t mismatch = kTRUE/*, heavy = kTRUE*/;
2412 for (Int_t j=0; j<AliPID::kSPECIESC; j++) {
2413 AliPID::EParticleType type=AliPID::EParticleType(j);
2414 const Double_t nsigmas=GetNumberOfSigmasTOFold(track,type) + meanCorrFactor;
2416 if (TMath::Abs(nsigmas)<5.){
2417 const Double_t nsigmasTPC=GetNumberOfSigmasTPC(track,type);
2418 if (TMath::Abs(nsigmasTPC)<5.) mismatch=kFALSE;
2429 //______________________________________________________________________________
2430 AliPIDResponse::EDetPidStatus AliPIDResponse:: GetHMPIDPIDStatus(const AliVTrack *track) const
2432 // compute HMPID pid status
2434 Int_t ch = track->GetHMPIDcluIdx()/1000000;
2435 Double_t HMPIDsignal = track->GetHMPIDsignal();
2437 if((track->GetStatus()&AliVTrack::kHMPIDpid)==0 || ch<0 || ch>6 || HMPIDsignal<0) return kDetNoSignal;
2442 //______________________________________________________________________________
2443 AliPIDResponse::EDetPidStatus AliPIDResponse:: GetPHOSPIDStatus(const AliVTrack */*track*/) const
2445 // compute PHOS pid status
2446 return kDetNoSignal;
2449 //______________________________________________________________________________
2450 AliPIDResponse::EDetPidStatus AliPIDResponse:: GetEMCALPIDStatus(const AliVTrack *track) const
2452 // compute EMCAL pid status
2456 const Int_t nMatchClus = track->GetEMCALcluster();
2457 if (nMatchClus<0) return kDetNoSignal;
2459 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
2461 if (!(matchedClus && matchedClus->IsEMCAL())) return kDetNoSignal;
2463 const Int_t charge = track->Charge();
2464 if (TMath::Abs(charge)!=1) return kDetNoSignal;
2466 if (!(fEMCALPIDParams && fEMCALPIDParams->At(AliPID::kElectron))) return kDetNoParams;
2472 //______________________________________________________________________________
2473 AliPIDResponse::EDetPidStatus AliPIDResponse::GetPIDStatus(EDetector detector, const AliVTrack *track) const
2476 // check pid status for a track
2480 case kITS: return GetITSPIDStatus(track); break;
2481 case kTPC: return GetTPCPIDStatus(track); break;
2482 case kTRD: return GetTRDPIDStatus(track); break;
2483 case kTOF: return GetTOFPIDStatus(track); break;
2484 case kPHOS: return GetPHOSPIDStatus(track); break;
2485 case kEMCAL: return GetEMCALPIDStatus(track); break;
2486 case kHMPID: return GetHMPIDPIDStatus(track); break;
2487 default: return kDetNoSignal;
2489 return kDetNoSignal;
2493 //______________________________________________________________________________
2494 TString AliPIDResponse::GetChecksum(const TObject* obj) const
2496 // Return the checksum for an object obj (tested to work properly at least for histograms and TSplines).
2498 TString fileName = Form("tempChecksum.C"); // File name must be fixed for data type "TSpline3", since the file name will end up in the file content!
2500 // For parallel processing, a unique file pathname is required. Uniqueness can be guaranteed by using a unique directory name
2502 TString uniquePathName = Form("tempChecksum_%u", index);
2504 // To get a unique path name, increase the index until no directory
2505 // of such a name exists.
2506 // NOTE: gSystem->AccessPathName(...) returns kTRUE, if the access FAILED!
2507 while (!gSystem->AccessPathName(uniquePathName.Data()))
2508 uniquePathName = Form("tempChecksum_%u", ++index);
2510 if (gSystem->mkdir(uniquePathName.Data()) < 0) {
2511 AliError("Could not create temporary directory to store temp file for checksum determination!");
2515 TString option = "";
2517 // Save object as a macro, which will be deleted immediately after the checksum has been computed
2518 // (does not work for desired data types if saved as *.root for some reason) - one only wants to compare the content, not
2519 // the modification time etc. ...
2520 if (dynamic_cast<const TH1*>(obj))
2521 option = "colz"; // Histos need this option, since w/o this option, a counter is added to the filename
2524 // SaveAs must be called with the fixed fileName only, since the first argument goes into the file content
2525 // for some object types. Thus, change the directory, save the file and then go back
2526 TString oldDir = gSystem->pwd();
2527 gSystem->cd(uniquePathName.Data());
2528 obj->SaveAs(fileName.Data(), option.Data());
2529 gSystem->cd(oldDir.Data());
2531 // Use the file to calculate the MD5 checksum
2532 TMD5* md5 = TMD5::FileChecksum(Form("%s/%s", uniquePathName.Data(), fileName.Data()));
2533 TString checksum = md5->AsString();
2537 gSystem->Exec(Form("rm -rf %s", uniquePathName.Data()));