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 Float_t AliPIDResponse::fgTOFmismatchProb = 0.0;
57 AliPIDResponse::AliPIDResponse(Bool_t isMC/*=kFALSE*/) :
58 TNamed("PIDResponse","PIDResponse"),
66 fITSPIDmethod(kITSTruncMean),
67 fTuneMConData(kFALSE),
68 fTuneMConDataMask(kDetTOF|kDetTPC),
72 fCustomTPCpidResponse(),
78 fCurrentAliRootRev(-1),
86 fArrPidResponseMaster(NULL),
87 fResolutionCorrection(NULL),
88 fOADBvoltageMaps(NULL),
89 fUseTPCEtaCorrection(kFALSE),
90 fUseTPCMultiplicityCorrection(kFALSE),
91 fTRDPIDResponseObject(NULL),
94 fHMPIDPIDParams(NULL),
95 fEMCALPIDParams(NULL),
103 AliLog::SetClassDebugLevel("AliPIDResponse",0);
104 AliLog::SetClassDebugLevel("AliESDpid",0);
105 AliLog::SetClassDebugLevel("AliAODpidUtil",0);
109 //______________________________________________________________________________
110 AliPIDResponse::~AliPIDResponse()
115 delete fArrPidResponseMaster;
116 delete fTRDPIDResponseObject;
117 delete fTOFPIDParams;
120 //______________________________________________________________________________
121 AliPIDResponse::AliPIDResponse(const AliPIDResponse &other) :
123 fITSResponse(other.fITSResponse),
124 fTPCResponse(other.fTPCResponse),
125 fTRDResponse(other.fTRDResponse),
126 fTOFResponse(other.fTOFResponse),
127 fHMPIDResponse(other.fHMPIDResponse),
128 fEMCALResponse(other.fEMCALResponse),
129 fRange(other.fRange),
130 fITSPIDmethod(other.fITSPIDmethod),
131 fTuneMConData(other.fTuneMConData),
132 fTuneMConDataMask(other.fTuneMConDataMask),
134 fCachePID(other.fCachePID),
135 fOADBPath(other.fOADBPath),
136 fCustomTPCpidResponse(other.fCustomTPCpidResponse),
140 fMCperiodUser(other.fMCperiodUser),
142 fCurrentAliRootRev(other.fCurrentAliRootRev),
144 fRecoPassUser(other.fRecoPassUser),
150 fArrPidResponseMaster(NULL),
151 fResolutionCorrection(NULL),
152 fOADBvoltageMaps(NULL),
153 fUseTPCEtaCorrection(other.fUseTPCEtaCorrection),
154 fUseTPCMultiplicityCorrection(other.fUseTPCMultiplicityCorrection),
155 fTRDPIDResponseObject(NULL),
158 fHMPIDPIDParams(NULL),
159 fEMCALPIDParams(NULL),
161 fCurrCentrality(0.0),
169 //______________________________________________________________________________
170 AliPIDResponse& AliPIDResponse::operator=(const AliPIDResponse &other)
176 delete fArrPidResponseMaster;
177 TNamed::operator=(other);
178 fITSResponse=other.fITSResponse;
179 fTPCResponse=other.fTPCResponse;
180 fTRDResponse=other.fTRDResponse;
181 fTOFResponse=other.fTOFResponse;
182 fHMPIDResponse=other.fHMPIDResponse;
183 fEMCALResponse=other.fEMCALResponse;
185 fITSPIDmethod=other.fITSPIDmethod;
186 fOADBPath=other.fOADBPath;
187 fCustomTPCpidResponse=other.fCustomTPCpidResponse;
188 fTuneMConData=other.fTuneMConData;
189 fTuneMConDataMask=other.fTuneMConDataMask;
191 fCachePID=other.fCachePID;
196 fMCperiodUser=other.fMCperiodUser;
198 fCurrentAliRootRev=other.fCurrentAliRootRev;
200 fRecoPassUser=other.fRecoPassUser;
206 fArrPidResponseMaster=NULL;
207 fResolutionCorrection=NULL;
208 fOADBvoltageMaps=NULL;
209 fUseTPCEtaCorrection=other.fUseTPCEtaCorrection;
210 fUseTPCMultiplicityCorrection=other.fUseTPCMultiplicityCorrection;
211 fTRDPIDResponseObject=NULL;
212 fEMCALPIDParams=NULL;
215 fHMPIDPIDParams=NULL;
216 fCurrentEvent=other.fCurrentEvent;
222 //______________________________________________________________________________
223 Float_t AliPIDResponse::NumberOfSigmas(EDetector detector, const AliVParticle *vtrack, AliPID::EParticleType type) const
226 // NumberOfSigmas for 'detCode'
229 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
230 // look for cached value first
231 const AliDetectorPID *detPID=track->GetDetectorPID();
233 if ( detPID && detPID->HasNumberOfSigmas(detector)){
234 return detPID->GetNumberOfSigmas(detector, type);
235 } else if (fCachePID) {
236 FillTrackDetectorPID(track, detector);
237 detPID=track->GetDetectorPID();
238 return detPID->GetNumberOfSigmas(detector, type);
241 return GetNumberOfSigmas(detector, track, type);
244 //______________________________________________________________________________
245 AliPIDResponse::EDetPidStatus AliPIDResponse::NumberOfSigmas(EDetector detCode, const AliVParticle *track,
246 AliPID::EParticleType type, Double_t &val) const
249 // NumberOfSigmas with detector status as return value
252 val=NumberOfSigmas(detCode, track, type);
253 return CheckPIDStatus(detCode, (AliVTrack*)track);
256 //______________________________________________________________________________
257 // public buffered versions of the PID calculation
260 //______________________________________________________________________________
261 Float_t AliPIDResponse::NumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const
264 // Calculate the number of sigmas in the ITS
267 return NumberOfSigmas(kITS, vtrack, type);
270 //______________________________________________________________________________
271 Float_t AliPIDResponse::NumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const
274 // Calculate the number of sigmas in the TPC
277 return NumberOfSigmas(kTPC, vtrack, type);
280 //______________________________________________________________________________
281 Float_t AliPIDResponse::NumberOfSigmasTPC( const AliVParticle *vtrack,
282 AliPID::EParticleType type,
283 AliTPCPIDResponse::ETPCdEdxSource dedxSource) const
285 //get number of sigmas according the selected TPC gain configuration scenario
286 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
288 Float_t nSigma=fTPCResponse.GetNumberOfSigmas(track, type, dedxSource, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
293 //______________________________________________________________________________
294 Float_t AliPIDResponse::NumberOfSigmasTRD(const AliVParticle *vtrack, AliPID::EParticleType type) const
297 // Calculate the number of sigmas in the TRD
299 return NumberOfSigmas(kTRD, vtrack, type);
302 //______________________________________________________________________________
303 Float_t AliPIDResponse::NumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const
306 // Calculate the number of sigmas in the TOF
309 return NumberOfSigmas(kTOF, vtrack, type);
312 //______________________________________________________________________________
313 Float_t AliPIDResponse::NumberOfSigmasHMPID(const AliVParticle *vtrack, AliPID::EParticleType type) const
316 // Calculate the number of sigmas in the EMCAL
319 return NumberOfSigmas(kHMPID, vtrack, type);
322 //______________________________________________________________________________
323 Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const
326 // Calculate the number of sigmas in the EMCAL
329 return NumberOfSigmas(kEMCAL, vtrack, type);
332 //______________________________________________________________________________
333 Float_t AliPIDResponse::NumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const
336 // emcal nsigma with eop and showershape
338 AliVTrack *track=(AliVTrack*)vtrack;
340 AliVCluster *matchedClus = NULL;
345 Double_t fClsE = -1.;
347 // initialize eop and shower shape parameters
349 for(Int_t i = 0; i < 4; i++){
350 showershape[i] = -1.;
353 Int_t nMatchClus = -1;
357 nMatchClus = track->GetEMCALcluster();
362 charge = track->Charge();
364 matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
368 // matched cluster is EMCAL
369 if(matchedClus->IsEMCAL()){
371 fClsE = matchedClus->E();
374 // fill used EMCAL variables here
376 showershape[0] = matchedClus->GetNCells(); // number of cells in cluster
377 showershape[1] = matchedClus->GetM02(); // long axis
378 showershape[2] = matchedClus->GetM20(); // short axis
379 showershape[3] = matchedClus->GetDispersion(); // dispersion
381 // look for cached value first
382 const AliDetectorPID *detPID=track->GetDetectorPID();
383 const EDetector detector=kEMCAL;
385 if ( detPID && detPID->HasNumberOfSigmas(detector)){
386 return detPID->GetNumberOfSigmas(detector, type);
387 } else if (fCachePID) {
388 FillTrackDetectorPID(track, detector);
389 detPID=track->GetDetectorPID();
390 return detPID->GetNumberOfSigmas(detector, type);
393 // NSigma value really meaningful only for electrons!
394 return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge);
401 //______________________________________________________________________________
402 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDelta(EDetector detector, const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
409 case kITS: return GetSignalDeltaITS(track,type,val,ratio); break;
410 case kTPC: return GetSignalDeltaTPC(track,type,val,ratio); break;
411 case kTRD: return GetSignalDeltaTRD(track,type,val,ratio); break;
412 case kTOF: return GetSignalDeltaTOF(track,type,val,ratio); break;
413 case kHMPID: return GetSignalDeltaHMPID(track,type,val,ratio); break;
414 default: return kDetNoSignal;
419 //______________________________________________________________________________
420 Double_t AliPIDResponse::GetSignalDelta(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type, Bool_t ratio/*=kFALSE*/) const
426 EDetPidStatus stat=GetSignalDelta(detCode, track, type, val, ratio);
427 if ( stat==kDetNoSignal ) val=-9999.;
431 //______________________________________________________________________________
432 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
434 // Compute PID response of 'detCode'
436 // find detector code from detector bit mask
438 for (Int_t idet=0; idet<kNdetectors; ++idet) if ( (detCode&(1<<idet)) ) { detector=idet; break; }
439 if (detector==-1) return kDetNoSignal;
441 return ComputePIDProbability((EDetector)detector, track, nSpecies, p);
444 //______________________________________________________________________________
445 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePIDProbability (EDetector detector, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
448 // Compute PID response of 'detector'
451 const AliDetectorPID *detPID=track->GetDetectorPID();
453 if ( detPID && detPID->HasRawProbability(detector)){
454 return detPID->GetRawProbability(detector, p, nSpecies);
455 } else if (fCachePID) {
456 FillTrackDetectorPID(track, detector);
457 detPID=track->GetDetectorPID();
458 return detPID->GetRawProbability(detector, p, nSpecies);
461 //if no caching return values calculated from scratch
462 return GetComputePIDProbability(detector, track, nSpecies, p);
465 //______________________________________________________________________________
466 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
468 // Compute PID response for the ITS
469 return ComputePIDProbability(kITS, track, nSpecies, p);
472 //______________________________________________________________________________
473 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
475 // Compute PID response for the TPC
476 return ComputePIDProbability(kTPC, track, nSpecies, p);
479 //______________________________________________________________________________
480 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
482 // Compute PID response for the
483 return ComputePIDProbability(kTOF, track, nSpecies, p);
486 //______________________________________________________________________________
487 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
489 // Compute PID response for the
490 return ComputePIDProbability(kTRD, track, nSpecies, p);
493 //______________________________________________________________________________
494 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
496 // Compute PID response for the EMCAL
497 return ComputePIDProbability(kEMCAL, track, nSpecies, p);
499 //______________________________________________________________________________
500 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const
502 // Compute PID response for the PHOS
504 // set flat distribution (no decision)
505 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
509 //______________________________________________________________________________
510 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
512 // Compute PID response for the HMPID
513 return ComputePIDProbability(kHMPID, track, nSpecies, p);
516 //______________________________________________________________________________
517 AliPIDResponse::EDetPidStatus AliPIDResponse::ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const
519 // Compute PID response for the
520 return GetComputeTRDProbability(track, nSpecies, p, PIDmethod);
523 //______________________________________________________________________________
524 AliPIDResponse::EDetPidStatus AliPIDResponse::CheckPIDStatus(EDetector detector, const AliVTrack *track) const
526 // calculate detector pid status
528 const Int_t iDetCode=(Int_t)detector;
529 if (iDetCode<0||iDetCode>=kNdetectors) return kDetNoSignal;
530 const AliDetectorPID *detPID=track->GetDetectorPID();
533 return detPID->GetPIDStatus(detector);
534 } else if (fCachePID) {
535 FillTrackDetectorPID(track, detector);
536 detPID=track->GetDetectorPID();
537 return detPID->GetPIDStatus(detector);
540 // if not buffered and no buffering is requested
541 return GetPIDStatus(detector, track);
544 //______________________________________________________________________________
545 void AliPIDResponse::InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run)
548 // Apply settings for the current event
557 else fRun=event->GetRunNumber();
564 //TPC resolution parametrisation PbPb
565 if ( fResolutionCorrection ){
566 Double_t corrSigma=fResolutionCorrection->Eval(GetTPCMultiplicityBin(event));
567 fTPCResponse.SetSigma(3.79301e-03*corrSigma, 2.21280e+04);
570 // Set up TPC multiplicity for PbPb
571 if (fUseTPCMultiplicityCorrection) {
572 Int_t numESDtracks = event->GetNumberOfESDTracks();
573 if (numESDtracks < 0) {
574 AliError("Cannot obtain event multiplicity (number of ESD tracks < 0). If you are using AODs, this might be a too old production. Please disable the multiplicity correction to get a reliable PID result!");
577 fTPCResponse.SetCurrentEventMultiplicity(numESDtracks);
580 fTPCResponse.SetCurrentEventMultiplicity(0);
583 SetTOFResponse(event, (AliPIDResponse::EStartTimeType_t)fTOFPIDParams->GetStartTimeMethod());
586 // Get and set centrality
587 AliCentrality *centrality = event->GetCentrality();
589 fCurrCentrality = centrality->GetCentralityPercentile("V0M");
592 fCurrCentrality = -1;
595 // Set centrality percentile for EMCAL
596 fEMCALResponse.SetCentrality(fCurrCentrality);
598 // switch off some TOF channel according to OADB to match data TOF matching eff
599 if (fTuneMConData && ((fTuneMConDataMask & kDetTOF) == kDetTOF) && fTOFPIDParams->GetTOFmatchingLossMC() > 0.01){
600 Int_t ntrk = event->GetNumberOfTracks();
601 for(Int_t i=0;i < ntrk;i++){
602 AliVParticle *trk = event->GetTrack(i);
603 Int_t channel = GetTOFResponse().GetTOFchannel(trk);
604 Int_t swoffEachOfThem = Int_t(100./fTOFPIDParams->GetTOFmatchingLossMC() + 0.5);
605 if(!(channel%swoffEachOfThem)) ((AliVTrack *) trk)->ResetStatus(AliVTrack::kTOFout);
611 //______________________________________________________________________________
612 void AliPIDResponse::ExecNewRun()
615 // Things to Execute upon a new run
619 SetITSParametrisation();
621 SetTPCPidResponseMaster();
622 SetTPCParametrisation();
625 SetTRDPidResponseMaster();
626 InitializeTRDResponse();
628 SetEMCALPidResponseMaster();
629 InitializeEMCALResponse();
631 SetTOFPidResponseMaster();
632 InitializeTOFResponse();
634 SetHMPIDPidResponseMaster();
635 InitializeHMPIDResponse();
637 if (fCurrentEvent) fTPCResponse.SetMagField(fCurrentEvent->GetMagneticField());
640 //______________________________________________________________________________
641 Double_t AliPIDResponse::GetTPCMultiplicityBin(const AliVEvent * const event)
644 // Get TPC multiplicity in bins of 150
647 const AliVVertex* vertexTPC = event->GetPrimaryVertex();
648 Double_t tpcMulti=0.;
650 Double_t vertexContribTPC=vertexTPC->GetNContributors();
651 tpcMulti=vertexContribTPC/150.;
652 if (tpcMulti>20.) tpcMulti=20.;
658 //______________________________________________________________________________
659 void AliPIDResponse::SetRecoInfo()
662 // Set reconstruction information
674 Bool_t hasProdInfo=(fCurrentFile.BeginsWith("LHC"));
676 TPRegexp reg(".*(LHC1[1-3][a-z]+[0-9]+[a-z_]*)[/_].*");
677 if (hasProdInfo) reg=TPRegexp("LHC1[1-2][a-z]+[0-9]+[a-z_]*");
678 TPRegexp reg12a17("LHC1[2-4][a-z]");
680 //find the period by run number (UGLY, but not stored in ESD and AOD... )
681 if (fRun>=114737&&fRun<=117223) { fLHCperiod="LHC10B"; fMCperiodTPC="LHC10D1"; }
682 else if (fRun>=118503&&fRun<=121040) { fLHCperiod="LHC10C"; fMCperiodTPC="LHC10D1"; }
683 else if (fRun>=122195&&fRun<=126437) { fLHCperiod="LHC10D"; fMCperiodTPC="LHC10F6A"; }
684 else if (fRun>=127710&&fRun<=130850) { fLHCperiod="LHC10E"; fMCperiodTPC="LHC10F6A"; }
685 else if (fRun>=133004&&fRun<=135029) { fLHCperiod="LHC10F"; fMCperiodTPC="LHC10F6A"; }
686 else if (fRun>=135654&&fRun<=136377) { fLHCperiod="LHC10G"; fMCperiodTPC="LHC10F6A"; }
687 else if (fRun>=136851&&fRun<=139846) {
689 fMCperiodTPC="LHC10H8";
690 if (reg.MatchB(fCurrentFile)) fMCperiodTPC="LHC11A10";
691 // exception for 13d2 and later
692 if (fCurrentAliRootRev >= 62714) fMCperiodTPC="LHC13D2";
696 else if (fRun>=139847&&fRun<=146974) { fLHCperiod="LHC11A"; fMCperiodTPC="LHC10F6A"; }
697 //TODO: periods 11B (146975-150721), 11C (150722-155837) are not yet treated assume 11d for the moment
698 else if (fRun>=146975&&fRun<=155837) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
699 else if (fRun>=155838&&fRun<=159649) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
700 // also for 11e (159650-162750),f(162751-165771) use 11d
701 else if (fRun>=159650&&fRun<=162750) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
702 else if (fRun>=162751&&fRun<=165771) { fLHCperiod="LHC11D"; fMCperiodTPC="LHC10F6A"; }
704 else if (fRun>=165772 && fRun<=170718) {
706 fMCperiodTPC="LHC11A10";
709 if (reg12a17.MatchB(fCurrentFile)) fMCperiodTPC="LHC12A17";
711 if (fRun>=170719 && fRun<=177311) {
715 fMCperiodTPC="LHC10F6A";
716 if (fCurrentAliRootRev >= 62714)
717 fMCperiodTPC="LHC13B2_FIXn1";
719 // for the moment use LHC12b parameters up to LHC12d
720 if (fRun>=177312 /*&& fRun<=179356*/) {
724 fMCperiodTPC="LHC10F6A";
725 if (fCurrentAliRootRev >= 62714)
726 fMCperiodTPC="LHC13B2_FIXn1";
728 // if (fRun>=179357 && fRun<=183173) { fLHCperiod="LHC12C"; fBeamType="PP"; fBeamTypeNum=kPP;/*fMCperiodTPC="";*/ }
729 // if (fRun>=183174 && fRun<=186345) { fLHCperiod="LHC12D"; fBeamType="PP"; fBeamTypeNum=kPP;/*fMCperiodTPC="";*/ }
730 // if (fRun>=186346 && fRun<=186635) { fLHCperiod="LHC12E"; fBeamType="PP"; fBeamTypeNum=kPP;/*fMCperiodTPC="";*/ }
732 // if (fRun>=186636 && fRun<=188166) { fLHCperiod="LHC12F"; fBeamType="PP"; fBeamTypeNum=kPP;/*fMCperiodTPC="";*/ }
733 // if (fRun >= 188167 && fRun <= 188355 ) { fLHCperiod="LHC12G"; fBeamType="PP"; fBeamTypeNum=kPP;/*fMCperiodTPC="";*/ }
734 // if (fRun >= 188356 && fRun <= 188503 ) { fLHCperiod="LHC12G"; fBeamType="PPB"; fBeamTypeNum=kPPB;/*fMCperiodTPC="";*/ }
735 // for the moment use 12g parametrisation for all full gain runs (LHC12e+)
736 if (fRun >= 186346 && fRun < 188719) { fLHCperiod="LHC12G"; fBeamType="PPB";fBeamTypeNum=kPPB; fMCperiodTPC="LHC12G"; }
738 // Dedicated splines for periods 12g and 12i(j) (and use more appropriate MC)
739 if (fRun >= 188720 && fRun <= 192738) {
743 fMCperiodTPC="LHC10F6A";
744 if (fCurrentAliRootRev >= 62714)
745 fMCperiodTPC="LHC13B2_FIXn1";
747 if (fRun >= 192739 && fRun <= 194479) {
751 fMCperiodTPC="LHC10F6A";
752 if (fCurrentAliRootRev >= 62714)
753 fMCperiodTPC="LHC13B2_FIXn1";
756 // New parametrisation for 2013 pPb runs
757 if (fRun >= 194480) {
761 fMCperiodTPC="LHC12G";
763 if (fCurrentAliRootRev >= 61605)
764 fMCperiodTPC="LHC13B2_FIX";
765 if (fCurrentAliRootRev >= 62714)
766 fMCperiodTPC="LHC13B2_FIXn1";
768 // High luminosity pPb runs require different parametrisations
769 if (fRun >= 195875 && fRun <= 197411) {
774 //exception new pp MC productions from 2011 (11a periods have 10f6a splines!)
775 if (fBeamType=="PP" && reg.MatchB(fCurrentFile) && !fCurrentFile.Contains("LHC11a")) { fMCperiodTPC="LHC11B2"; fBeamType="PP";fBeamTypeNum=kPP; }
776 // exception for 11f1
777 if (fCurrentFile.Contains("LHC11f1")) fMCperiodTPC="LHC11F1";
778 // exception for 12f1a, 12f1b and 12i3
779 if (fCurrentFile.Contains("LHC12f1") || fCurrentFile.Contains("LHC12i3")) fMCperiodTPC="LHC12F1";
780 // exception for 12c4
781 if (fCurrentFile.Contains("LHC12c4")) fMCperiodTPC="LHC12C4";
782 // exception for 12d and 13d pp periods
783 if (fBeamType=="PP" && fCurrentAliRootRev >= 61605) fMCperiodTPC="LHC13D1";
786 //______________________________________________________________________________
787 void AliPIDResponse::SetITSParametrisation()
790 // Set the ITS parametrisation
795 //______________________________________________________________________________
796 void AliPIDResponse::AddPointToHyperplane(TH2D* h, TLinearFitter* linExtrapolation, Int_t binX, Int_t binY)
798 if (h->GetBinContent(binX, binY) <= 1e-4)
799 return; // Reject bins without content (within some numerical precision) or with strange content
801 Double_t coord[2] = {0, 0};
802 coord[0] = h->GetXaxis()->GetBinCenter(binX);
803 coord[1] = h->GetYaxis()->GetBinCenter(binY);
804 Double_t binError = h->GetBinError(binX, binY);
806 binError = 1000; // Should not happen because bins without content are rejected for the map (TH2D* h)
807 printf("ERROR: This should never happen: Trying to add bin in addPointToHyperplane with error not set....\n");
809 linExtrapolation->AddPoint(coord, h->GetBinContent(binX, binY, binError));
813 //______________________________________________________________________________
814 TH2D* AliPIDResponse::RefineHistoViaLinearInterpolation(TH2D* h, Double_t refineFactorX, Double_t refineFactorY)
819 // Interpolate to finer map
820 TLinearFitter* linExtrapolation = new TLinearFitter(2, "hyp2", "");
822 Double_t upperMapBoundY = h->GetYaxis()->GetBinUpEdge(h->GetYaxis()->GetNbins());
823 Double_t lowerMapBoundY = h->GetYaxis()->GetBinLowEdge(1);
825 // 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,
826 // scale the number of bins correspondingly
827 Int_t nBinsY = TMath::Nint((upperMapBoundY - lowerMapBoundY) / (0.02 - 0.0016) * 40);
828 Int_t nBinsXrefined = nBinsX * refineFactorX;
829 Int_t nBinsYrefined = nBinsY * refineFactorY;
831 TH2D* hRefined = new TH2D(Form("%s_refined", h->GetName()), Form("%s (refined)", h->GetTitle()),
832 nBinsXrefined, h->GetXaxis()->GetBinLowEdge(1), h->GetXaxis()->GetBinUpEdge(h->GetXaxis()->GetNbins()),
833 nBinsYrefined, lowerMapBoundY, upperMapBoundY);
835 for (Int_t binX = 1; binX <= nBinsXrefined; binX++) {
836 for (Int_t binY = 1; binY <= nBinsYrefined; binY++) {
838 hRefined->SetBinContent(binX, binY, 1); // Default value is 1
840 Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX);
841 Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY);
844 linExtrapolation->ClearPoints();
846 // For interpolation: Just take the corresponding bin from the old histo.
847 // For extrapolation: take the last available bin from the old histo.
848 // If the boundaries are to be skipped, also skip the corresponding bins
849 Int_t oldBinX = h->GetXaxis()->FindBin(centerX);
852 if (oldBinX > nBinsX)
855 Int_t oldBinY = h->GetYaxis()->FindBin(centerY);
858 if (oldBinY > nBinsY)
861 // Neighbours left column
864 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY - 1);
867 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY);
869 if (oldBinY < nBinsY) {
870 AddPointToHyperplane(h, linExtrapolation, oldBinX - 1, oldBinY + 1);
874 // Neighbours (and point itself) same column
876 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY - 1);
879 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY);
881 if (oldBinY < nBinsY) {
882 AddPointToHyperplane(h, linExtrapolation, oldBinX, oldBinY + 1);
885 // Neighbours right column
886 if (oldBinX < nBinsX) {
888 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY - 1);
891 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY);
893 if (oldBinY < nBinsY) {
894 AddPointToHyperplane(h, linExtrapolation, oldBinX + 1, oldBinY + 1);
900 if (linExtrapolation->GetNpoints() <= 0)
903 if (linExtrapolation->Eval() != 0)// EvalRobust -> Takes much, much, [...], much more time (~hours instead of seconds)
906 // Fill the bin of the refined histogram with the extrapolated value
907 Double_t interpolatedValue = linExtrapolation->GetParameter(0) + linExtrapolation->GetParameter(1) * centerX
908 + linExtrapolation->GetParameter(2) * centerY;
910 Double_t interpolatedValue = h->Interpolate(centerX, centerY) ;
911 hRefined->SetBinContent(binX, binY, interpolatedValue);
916 // Problem: Interpolation does not work before/beyond center of first/last bin (as the name suggests).
917 // Therefore, for each row in dEdx: Take last bin from old map and interpolate values from center and edge.
918 // Assume line through these points and extropolate to last bin of refined map
919 const Double_t firstOldXbinUpEdge = h->GetXaxis()->GetBinUpEdge(1);
920 const Double_t firstOldXbinCenter = h->GetXaxis()->GetBinCenter(1);
922 const Double_t oldXbinHalfWidth = firstOldXbinUpEdge - firstOldXbinCenter;
924 const Double_t lastOldXbinLowEdge = h->GetXaxis()->GetBinLowEdge(h->GetNbinsX());
925 const Double_t lastOldXbinCenter = h->GetXaxis()->GetBinCenter(h->GetNbinsX());
927 for (Int_t binY = 1; binY <= nBinsYrefined; binY++) {
928 Double_t centerY = hRefined->GetYaxis()->GetBinCenter(binY);
930 const Double_t interpolatedCenterFirstXbin = h->Interpolate(firstOldXbinCenter, centerY);
931 const Double_t interpolatedUpEdgeFirstXbin = h->Interpolate(firstOldXbinUpEdge, centerY);
933 const Double_t extrapolationSlopeFirstXbin = (interpolatedUpEdgeFirstXbin - interpolatedCenterFirstXbin) / oldXbinHalfWidth;
934 const Double_t extrapolationOffsetFirstXbin = interpolatedCenterFirstXbin;
937 const Double_t interpolatedCenterLastXbin = h->Interpolate(lastOldXbinCenter, centerY);
938 const Double_t interpolatedLowEdgeLastXbin = h->Interpolate(lastOldXbinLowEdge, centerY);
940 const Double_t extrapolationSlopeLastXbin = (interpolatedCenterLastXbin - interpolatedLowEdgeLastXbin) / oldXbinHalfWidth;
941 const Double_t extrapolationOffsetLastXbin = interpolatedCenterLastXbin;
943 for (Int_t binX = 1; binX <= nBinsXrefined; binX++) {
944 Double_t centerX = hRefined->GetXaxis()->GetBinCenter(binX);
946 if (centerX < firstOldXbinCenter) {
947 Double_t extrapolatedValue = extrapolationOffsetFirstXbin + (centerX - firstOldXbinCenter) * extrapolationSlopeFirstXbin;
948 hRefined->SetBinContent(binX, binY, extrapolatedValue);
950 else if (centerX <= lastOldXbinCenter) {
954 Double_t extrapolatedValue = extrapolationOffsetLastXbin + (centerX - lastOldXbinCenter) * extrapolationSlopeLastXbin;
955 hRefined->SetBinContent(binX, binY, extrapolatedValue);
960 delete linExtrapolation;
965 //______________________________________________________________________________
966 void AliPIDResponse::SetTPCEtaMaps(Double_t refineFactorMapX, Double_t refineFactorMapY,
967 Double_t refineFactorSigmaMapX, Double_t refineFactorSigmaMapY)
970 // Load the TPC eta correction maps from the OADB
973 if (fUseTPCEtaCorrection == kFALSE) {
974 // Disable eta correction via setting no maps
975 if (!fTPCResponse.SetEtaCorrMap(0x0))
976 AliInfo("Request to disable TPC eta correction -> Eta correction has been disabled");
978 AliError("Request to disable TPC eta correction -> Some error occured when unloading the correction maps");
980 if (!fTPCResponse.SetSigmaParams(0x0, 0))
981 AliInfo("Request to disable TPC eta correction -> Using old parametrisation for sigma");
983 AliError("Request to disable TPC eta correction -> Some error occured when unloading the sigma maps");
988 TString dataType = "DATA";
989 TString period = fLHCperiod.IsNull() ? "No period information" : fLHCperiod;
992 if (!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
998 if (!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) && fMCperiodTPC.IsNull()) {
999 AliFatal("MC detected, but no MC period set -> Not changing eta maps!");
1004 Int_t recopass = fRecoPass;
1005 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC) )
1006 recopass = fRecoPassUser;
1008 TString defaultObj = Form("Default_%s_pass%d", dataType.Data(), recopass);
1010 AliInfo(Form("Current period and reco pass: %s.pass%d", period.Data(), recopass));
1012 // Invalidate old maps
1013 fTPCResponse.SetEtaCorrMap(0x0);
1014 fTPCResponse.SetSigmaParams(0x0, 0);
1016 // Load the eta correction maps
1017 AliOADBContainer etaMapsCont(Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass));
1019 Int_t statusCont = etaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()),
1020 Form("TPCetaMaps_%s_pass%d", dataType.Data(), recopass));
1022 AliError("Failed initializing TPC eta correction maps from OADB -> Disabled eta correction");
1023 fUseTPCEtaCorrection = kFALSE;
1026 AliInfo(Form("Loading TPC eta correction map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()));
1030 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
1031 TString searchMap = Form("TPCetaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass);
1032 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(searchMap.Data()));
1034 // Try default object
1035 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetDefaultObject(defaultObj.Data()));
1039 etaMap = dynamic_cast<TH2D *>(etaMapsCont.GetObject(fRun, defaultObj.Data()));
1044 AliError(Form("TPC eta correction map not found for run %d and also no default map found -> Disabled eta correction!!!", fRun));
1045 fUseTPCEtaCorrection = kFALSE;
1048 TH2D* etaMapRefined = RefineHistoViaLinearInterpolation(etaMap, refineFactorMapX, refineFactorMapY);
1050 if (etaMapRefined) {
1051 if (!fTPCResponse.SetEtaCorrMap(etaMapRefined)) {
1052 AliError(Form("Failed to set TPC eta correction map for run %d -> Disabled eta correction!!!", fRun));
1053 fTPCResponse.SetEtaCorrMap(0x0);
1054 fUseTPCEtaCorrection = kFALSE;
1057 AliInfo(Form("Loaded TPC eta correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s (MD5(map) = %s)",
1058 refineFactorMapX, refineFactorMapY, fOADBPath.Data(), fTPCResponse.GetEtaCorrMap()->GetTitle(),
1059 GetChecksum(fTPCResponse.GetEtaCorrMap()).Data()));
1062 delete etaMapRefined;
1065 AliError(Form("Failed to set TPC eta correction map for run %d (map was loaded, but couldn't be refined) -> Disabled eta correction!!!", fRun));
1066 fUseTPCEtaCorrection = kFALSE;
1071 // If there was some problem loading the eta maps, it makes no sense to load the sigma maps (that require eta corrected data)
1072 if (fUseTPCEtaCorrection == kFALSE) {
1073 AliError("Failed to load TPC eta correction map required by sigma maps -> Using old parametrisation for sigma");
1077 // Load the sigma parametrisation (1/dEdx vs tanTheta_local (~eta))
1078 AliOADBContainer etaSigmaMapsCont(Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass));
1080 statusCont = etaSigmaMapsCont.InitFromFile(Form("%s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()),
1081 Form("TPCetaSigmaMaps_%s_pass%d", dataType.Data(), recopass));
1083 AliError("Failed initializing TPC eta sigma maps from OADB -> Using old sigma parametrisation");
1086 AliInfo(Form("Loading TPC eta sigma map from %s/COMMON/PID/data/TPCetaMaps.root", fOADBPath.Data()));
1088 TObjArray* etaSigmaPars = 0x0;
1090 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) {
1091 TString searchMap = Form("TPCetaSigmaMaps_%s_%s_pass%d", dataType.Data(), period.Data(), recopass);
1092 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(searchMap.Data()));
1093 if (!etaSigmaPars) {
1094 // Try default object
1095 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetDefaultObject(defaultObj.Data()));
1099 etaSigmaPars = dynamic_cast<TObjArray *>(etaSigmaMapsCont.GetObject(fRun, defaultObj.Data()));
1102 if (!etaSigmaPars) {
1103 AliError(Form("TPC eta sigma parametrisation not found for run %d -> Using old sigma parametrisation!!!", fRun));
1106 TH2D* etaSigmaPar1Map = dynamic_cast<TH2D *>(etaSigmaPars->FindObject("sigmaPar1Map"));
1107 TNamed* sigmaPar0Info = dynamic_cast<TNamed *>(etaSigmaPars->FindObject("sigmaPar0"));
1108 Double_t sigmaPar0 = 0.0;
1110 if (sigmaPar0Info) {
1111 TString sigmaPar0String = sigmaPar0Info->GetTitle();
1112 sigmaPar0 = sigmaPar0String.Atof();
1115 // Something is weired because the object for parameter 0 could not be loaded -> New sigma parametrisation can not be used!
1116 etaSigmaPar1Map = 0x0;
1119 TH2D* etaSigmaPar1MapRefined = RefineHistoViaLinearInterpolation(etaSigmaPar1Map, refineFactorSigmaMapX, refineFactorSigmaMapY);
1122 if (etaSigmaPar1MapRefined) {
1123 if (!fTPCResponse.SetSigmaParams(etaSigmaPar1MapRefined, sigmaPar0)) {
1124 AliError(Form("Failed to set TPC eta sigma map for run %d -> Using old sigma parametrisation!!!", fRun));
1125 fTPCResponse.SetSigmaParams(0x0, 0);
1128 AliInfo(Form("Loaded TPC sigma correction map (refine factors %.2f/%.2f) from %s/COMMON/PID/data/TPCetaMaps.root: %s (MD5(map) = %s, sigmaPar0 = %f)",
1129 refineFactorSigmaMapX, refineFactorSigmaMapY, fOADBPath.Data(), fTPCResponse.GetSigmaPar1Map()->GetTitle(),
1130 GetChecksum(fTPCResponse.GetSigmaPar1Map()).Data(), sigmaPar0));
1133 delete etaSigmaPar1MapRefined;
1136 AliError(Form("Failed to set TPC eta sigma map for run %d (map was loaded, but couldn't be refined) -> Using old sigma parametrisation!!!",
1143 //______________________________________________________________________________
1144 void AliPIDResponse::SetTPCPidResponseMaster()
1147 // Load the TPC pid response functions from the OADB
1148 // Load the TPC voltage maps from OADB
1150 //don't load twice for the moment
1151 if (fArrPidResponseMaster) return;
1154 //reset the PID response functions
1155 delete fArrPidResponseMaster;
1156 fArrPidResponseMaster=NULL;
1158 TString fileName(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data()));
1160 if (!fCustomTPCpidResponse.IsNull()) fileName=fCustomTPCpidResponse;
1162 TString fileNamePIDresponse(Form("%s/COMMON/PID/data/TPCPIDResponse.root", fOADBPath.Data()));
1163 f=TFile::Open(fileNamePIDresponse.Data());
1164 if (f && f->IsOpen() && !f->IsZombie()){
1165 fArrPidResponseMaster=dynamic_cast<TObjArray*>(f->Get("TPCPIDResponse"));
1169 TString fileNameVoltageMaps(Form("%s/COMMON/PID/data/TPCvoltageSettings.root", fOADBPath.Data()));
1170 f=TFile::Open(fileNameVoltageMaps.Data());
1171 if (f && f->IsOpen() && !f->IsZombie()){
1172 fOADBvoltageMaps=dynamic_cast<AliOADBContainer*>(f->Get("TPCvoltageSettings"));
1176 if (!fArrPidResponseMaster){
1177 AliFatal(Form("Could not retrieve the TPC pid response from: %s",fileNamePIDresponse.Data()));
1180 fArrPidResponseMaster->SetOwner();
1182 if (!fOADBvoltageMaps)
1184 AliFatal(Form("Could not retrieve the TPC voltage maps from: %s",fileNameVoltageMaps.Data()));
1186 fArrPidResponseMaster->SetOwner();
1189 //______________________________________________________________________________
1190 void AliPIDResponse::SetTPCParametrisation()
1193 // Change BB parametrisation for current run
1199 fTPCResponse.ResetSplines();
1201 if (fLHCperiod.IsNull()) {
1202 AliError("No period set, not changing parametrisation");
1207 // Set default parametrisations for data and MC
1211 TString datatype="DATA";
1212 //in case of mc fRecoPass is per default 1
1214 if(!(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) datatype="MC";
1219 TString period=fLHCperiod;
1220 if (fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))) period=fMCperiodTPC;
1222 Int_t recopass = fRecoPass;
1223 if(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) recopass = fRecoPassUser;
1225 AliInfo(Form("Searching splines for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
1226 Bool_t found=kFALSE;
1228 //set the new PID splines
1230 if (fArrPidResponseMaster){
1231 //for MC don't use period information
1232 //if (fIsMC) period="[A-Z0-9]*";
1233 //for MC use MC period information
1234 //pattern for the default entry (valid for all particles)
1235 TPRegexp reg(Form("TSPLINE3_%s_([A-Z]*)_%s_PASS%d_%s_MEAN(_*)([A-Z1-9]*)",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
1237 //find particle id and gain scenario
1238 for (Int_t igainScenario=0; igainScenario<AliTPCPIDResponse::fgkNumberOfGainScenarios; igainScenario++)
1240 TObject *grAll=NULL;
1241 TString gainScenario = AliTPCPIDResponse::GainScenarioName(igainScenario);
1242 gainScenario.ToUpper();
1243 //loop over entries and filter them
1244 for (Int_t iresp=0; iresp<fArrPidResponseMaster->GetEntriesFast();++iresp)
1246 TObject *responseFunction=fArrPidResponseMaster->At(iresp);
1247 if (responseFunction==NULL) continue;
1248 TString responseName=responseFunction->GetName();
1250 if (!reg.MatchB(responseName)) continue;
1252 TObjArray *arr=reg.MatchS(responseName); if (!arr) continue;
1254 tmp=arr->At(1); if (!tmp) continue;
1255 TString particleName=tmp->GetName();
1256 tmp=arr->At(3); if (!tmp) continue;
1257 TString gainScenarioName=tmp->GetName();
1259 if (particleName.IsNull()) continue;
1260 if (!grAll && particleName=="ALL" && gainScenarioName==gainScenario) grAll=responseFunction;
1263 for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec)
1265 TString particle=AliPID::ParticleName(ispec);
1267 //std::cout<<responseName<<" "<<particle<<" "<<particleName<<" "<<gainScenario<<" "<<gainScenarioName<<std::endl;
1268 if ( particle == particleName && gainScenario == gainScenarioName )
1270 fTPCResponse.SetResponseFunction( responseFunction,
1271 (AliPID::EParticleType)ispec,
1272 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1273 fTPCResponse.SetUseDatabase(kTRUE);
1274 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,responseFunction->GetName(),
1275 GetChecksum((TSpline3*)responseFunction).Data()));
1283 // Retrieve responsefunction for pions - will (if available) be used for muons if there are no dedicated muon splines.
1284 // For light nuclei, try to set the proton spline, if no dedicated splines are available.
1285 // In both cases: Use default splines, if no dedicated splines and no pion/proton splines are available.
1286 TObject* responseFunctionPion = fTPCResponse.GetResponseFunction( (AliPID::EParticleType)AliPID::kPion,
1287 (AliTPCPIDResponse::ETPCgainScenario)igainScenario);
1288 TObject* responseFunctionProton = fTPCResponse.GetResponseFunction( (AliPID::EParticleType)AliPID::kProton,
1289 (AliTPCPIDResponse::ETPCgainScenario)igainScenario);
1291 for (Int_t ispec=0; ispec<(AliTPCPIDResponse::fgkNumberOfParticleSpecies); ++ispec)
1293 if (!fTPCResponse.GetResponseFunction( (AliPID::EParticleType)ispec,
1294 (AliTPCPIDResponse::ETPCgainScenario)igainScenario))
1296 if (ispec == AliPID::kMuon) { // Muons
1297 if (responseFunctionPion) {
1298 fTPCResponse.SetResponseFunction( responseFunctionPion,
1299 (AliPID::EParticleType)ispec,
1300 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1301 fTPCResponse.SetUseDatabase(kTRUE);
1302 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,responseFunctionPion->GetName(),
1303 GetChecksum((TSpline3*)responseFunctionPion).Data()));
1307 fTPCResponse.SetResponseFunction( grAll,
1308 (AliPID::EParticleType)ispec,
1309 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1310 fTPCResponse.SetUseDatabase(kTRUE);
1311 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,grAll->GetName(),
1312 GetChecksum((TSpline3*)grAll).Data()));
1316 // AliError(Form("No splines found for muons (also no pion splines and no default splines) for gain scenario %d!", igainScenario));
1318 else if (ispec >= AliPID::kSPECIES) { // Light nuclei
1319 if (responseFunctionProton) {
1320 fTPCResponse.SetResponseFunction( responseFunctionProton,
1321 (AliPID::EParticleType)ispec,
1322 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1323 fTPCResponse.SetUseDatabase(kTRUE);
1324 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,responseFunctionProton->GetName(),
1325 GetChecksum((TSpline3*)responseFunctionProton).Data()));
1329 fTPCResponse.SetResponseFunction( grAll,
1330 (AliPID::EParticleType)ispec,
1331 (AliTPCPIDResponse::ETPCgainScenario)igainScenario );
1332 fTPCResponse.SetUseDatabase(kTRUE);
1333 AliInfo(Form("Adding graph: %d %d - %s (MD5(spline) = %s)",ispec,igainScenario,grAll->GetName(),
1334 GetChecksum((TSpline3*)grAll).Data()));
1338 // AliError(Form("No splines found for species %d (also no proton splines and no default splines) for gain scenario %d!",
1339 // ispec, igainScenario));
1345 else AliInfo("no fArrPidResponseMaster");
1348 AliError(Form("No splines found for: %s %s PASS%d %s",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
1353 // Setup multiplicity correction (only used for non-pp collisions)
1356 const Bool_t isPP = (fBeamType.CompareTo("PP") == 0);
1358 // 2013 pPb data taking at low luminosity
1359 const Bool_t isPPb2013LowLuminosity = period.Contains("LHC13B") || period.Contains("LHC13C") || period.Contains("LHC13D");
1360 // PbPb 2010, period 10h.pass2
1361 //TODO Needs further development const Bool_t is10hpass2 = period.Contains("LHC10H") && recopass == 2;
1364 // In case of MC without(!) tune on data activated for the TPC, don't use the multiplicity correction for the moment
1365 Bool_t isMCandNotTPCtuneOnData = fIsMC && !(fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC));
1367 // If correction is available, but disabled (highly NOT recommended!), print warning
1368 if (!fUseTPCMultiplicityCorrection && !isPP && !isMCandNotTPCtuneOnData) {
1369 //TODO: Needs further development if (is10hpass2 || isPPb2013LowLuminosity) {
1370 if (isPPb2013LowLuminosity) {
1371 AliWarning("Mulitplicity correction disabled, but correction parameters for this period exist. It is highly recommended to use enable the correction. Otherwise the splines might be off!");
1375 if (fUseTPCMultiplicityCorrection && !isPP && !isMCandNotTPCtuneOnData) {
1376 AliInfo("Multiplicity correction enabled!");
1378 //TODO After testing, load parameters from outside
1379 /*TODO no correction for MC
1380 if (period.Contains("LHC11A10")) {//LHC11A10A
1381 AliInfo("Using multiplicity correction parameters for 11a10!");
1382 fTPCResponse.SetParameterMultiplicityCorrection(0, 6.90133e-06);
1383 fTPCResponse.SetParameterMultiplicityCorrection(1, -1.22123e-03);
1384 fTPCResponse.SetParameterMultiplicityCorrection(2, 1.80220e-02);
1385 fTPCResponse.SetParameterMultiplicityCorrection(3, 0.1);
1386 fTPCResponse.SetParameterMultiplicityCorrection(4, 6.45306e-03);
1388 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -2.85505e-07);
1389 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, -1.31911e-06);
1390 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1392 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, -4.29665e-05);
1393 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 1.37023e-02);
1394 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, -6.36337e-01);
1395 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.13479e-02);
1397 else*/ if (isPPb2013LowLuminosity) {// 2013 pPb data taking at low luminosity
1398 AliInfo("Using multiplicity correction parameters for 13b.pass2 (at least also valid for 13{c,d} and pass 3)!");
1400 fTPCResponse.SetParameterMultiplicityCorrection(0, -5.906e-06);
1401 fTPCResponse.SetParameterMultiplicityCorrection(1, -5.064e-04);
1402 fTPCResponse.SetParameterMultiplicityCorrection(2, -3.521e-02);
1403 fTPCResponse.SetParameterMultiplicityCorrection(3, 2.469e-02);
1404 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1406 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -5.32e-06);
1407 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 1.177e-05);
1408 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1410 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, 0.);
1411 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 0.);
1412 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, 0.);
1413 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 0.);
1415 /* Not too bad, but far from perfect in the details
1416 fTPCResponse.SetParameterMultiplicityCorrection(0, -6.27187e-06);
1417 fTPCResponse.SetParameterMultiplicityCorrection(1, -4.60649e-04);
1418 fTPCResponse.SetParameterMultiplicityCorrection(2, -4.26450e-02);
1419 fTPCResponse.SetParameterMultiplicityCorrection(3, 2.40590e-02);
1420 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1422 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, -5.338e-06);
1423 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 1.220e-05);
1424 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1426 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, 7.89237e-05);
1427 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, -1.30662e-02);
1428 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, 8.91548e-01);
1429 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.47931e-02);
1432 /*TODO: Needs further development
1433 else if (is10hpass2) {
1434 AliInfo("Using multiplicity correction parameters for 10h.pass2!");
1435 fTPCResponse.SetParameterMultiplicityCorrection(0, 3.21636e-07);
1436 fTPCResponse.SetParameterMultiplicityCorrection(1, -6.65876e-04);
1437 fTPCResponse.SetParameterMultiplicityCorrection(2, 1.28786e-03);
1438 fTPCResponse.SetParameterMultiplicityCorrection(3, 1.47677e-02);
1439 fTPCResponse.SetParameterMultiplicityCorrection(4, 0);
1441 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(0, 7.23591e-08);
1442 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(1, 2.7469e-06);
1443 fTPCResponse.SetParameterMultiplicityCorrectionTanTheta(2, -0.5);
1445 fTPCResponse.SetParameterMultiplicitySigmaCorrection(0, -1.22590e-05);
1446 fTPCResponse.SetParameterMultiplicitySigmaCorrection(1, 6.88888e-03);
1447 fTPCResponse.SetParameterMultiplicitySigmaCorrection(2, -3.20788e-01);
1448 fTPCResponse.SetParameterMultiplicitySigmaCorrection(3, 1.07345e-02);
1452 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));
1453 fUseTPCMultiplicityCorrection = kFALSE;
1454 fTPCResponse.ResetMultiplicityCorrectionFunctions();
1458 // Just set parameters such that overall correction factor is 1, i.e. no correction.
1459 // This is just a reasonable choice for the parameters for safety reasons. Disabling
1460 // the multiplicity correction will anyhow skip the calculation of the corresponding
1461 // correction factor inside THIS class. Nevertheless, experts can access the TPCPIDResponse
1462 // directly and use it for calculations - which should still give valid results, even if
1463 // the multiplicity correction is explicitely enabled in such expert calls.
1465 TString reasonForDisabling = "requested by user";
1466 if (fUseTPCMultiplicityCorrection) {
1468 reasonForDisabling = "pp collisions";
1470 reasonForDisabling = "MC w/o tune on data";
1473 AliInfo(Form("Multiplicity correction %sdisabled (%s)!", fUseTPCMultiplicityCorrection ? "automatically " : "",
1474 reasonForDisabling.Data()));
1476 fUseTPCMultiplicityCorrection = kFALSE;
1477 fTPCResponse.ResetMultiplicityCorrectionFunctions();
1480 if (fUseTPCMultiplicityCorrection) {
1481 for (Int_t i = 0; i <= 4 + 1; i++) {
1482 AliInfo(Form("parMultCorr: %d, %e", i, fTPCResponse.GetMultiplicityCorrectionFunction()->GetParameter(i)));
1484 for (Int_t j = 0; j <= 2 + 1; j++) {
1485 AliInfo(Form("parMultCorrTanTheta: %d, %e", j, fTPCResponse.GetMultiplicityCorrectionFunctionTanTheta()->GetParameter(j)));
1487 for (Int_t j = 0; j <= 3 + 1; j++) {
1488 AliInfo(Form("parMultSigmaCorr: %d, %e", j, fTPCResponse.GetMultiplicitySigmaCorrectionFunction()->GetParameter(j)));
1493 // Setup old resolution parametrisation
1497 fTPCResponse.SetSigma(3.79301e-03, 2.21280e+04);
1499 if (fRun>=122195){ //LHC10d
1500 fTPCResponse.SetSigma(2.30176e-02, 5.60422e+02);
1503 if (fRun>=170719){ // LHC12a
1504 fTPCResponse.SetSigma(2.95714e-03, 1.01953e+05);
1507 if (fRun>=177312){ // LHC12b
1508 fTPCResponse.SetSigma(3.74633e-03, 7.11829e+04 );
1511 if (fRun>=186346){ // LHC12e
1512 fTPCResponse.SetSigma(8.62022e-04, 9.08156e+05);
1515 if (fArrPidResponseMaster)
1516 fResolutionCorrection=(TF1*)fArrPidResponseMaster->FindObject(Form("TF1_%s_ALL_%s_PASS%d_%s_SIGMA",datatype.Data(),period.Data(),recopass,fBeamType.Data()));
1518 if (fResolutionCorrection) AliInfo(Form("Setting multiplicity correction function: %s (MD5(corr function) = %s)",
1519 fResolutionCorrection->GetName(), GetChecksum(fResolutionCorrection).Data()));
1521 //read in the voltage map
1522 TVectorF* gsm = 0x0;
1523 if (fOADBvoltageMaps) gsm=dynamic_cast<TVectorF*>(fOADBvoltageMaps->GetObject(fRun));
1526 fTPCResponse.SetVoltageMap(*gsm);
1528 AliInfo(Form("Reading the voltage map for run %d\n",fRun));
1529 vals="IROC A: "; for (Int_t i=0; i<18; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1530 AliInfo(vals.Data());
1531 vals="IROC C: "; for (Int_t i=18; i<36; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1532 AliInfo(vals.Data());
1533 vals="OROC A: "; for (Int_t i=36; i<54; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1534 AliInfo(vals.Data());
1535 vals="OROC C: "; for (Int_t i=54; i<72; i++){vals+=Form("%.2f ",(*gsm)[i]);}
1536 AliInfo(vals.Data());
1538 else AliInfo("no voltage map, ideal default assumed");
1541 //______________________________________________________________________________
1542 void AliPIDResponse::SetTRDPidResponseMaster()
1545 // Load the TRD pid params and references from the OADB
1547 if(fTRDPIDResponseObject) return;
1548 AliOADBContainer contParams("contParams");
1550 Int_t statusResponse = contParams.InitFromFile(Form("%s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()), "AliTRDPIDResponseObject");
1552 AliError("Failed initializing PID Response Object from OADB");
1554 AliInfo(Form("Loading TRD Response from %s/COMMON/PID/data/TRDPIDResponse.root", fOADBPath.Data()));
1555 fTRDPIDResponseObject = dynamic_cast<AliTRDPIDResponseObject *>(contParams.GetObject(fRun));
1556 if(!fTRDPIDResponseObject){
1557 AliError(Form("TRD Response not found in run %d", fRun));
1562 //______________________________________________________________________________
1563 void AliPIDResponse::InitializeTRDResponse(){
1565 // Set PID Params and references to the TRD PID response
1567 fTRDResponse.SetPIDResponseObject(fTRDPIDResponseObject);
1570 //______________________________________________________________________________
1571 void AliPIDResponse::SetTRDSlices(UInt_t TRDslicesForPID[2],AliTRDPIDResponse::ETRDPIDMethod method) const{
1573 if(fLHCperiod.Contains("LHC10D") || fLHCperiod.Contains("LHC10E")){
1574 // backward compatibility for setting with 8 slices
1575 TRDslicesForPID[0] = 0;
1576 TRDslicesForPID[1] = 7;
1579 if(method==AliTRDPIDResponse::kLQ1D){
1580 TRDslicesForPID[0] = 0; // first Slice contains normalized dEdx
1581 TRDslicesForPID[1] = 0;
1583 if(method==AliTRDPIDResponse::kLQ2D){
1584 TRDslicesForPID[0] = 1;
1585 TRDslicesForPID[1] = 7;
1588 AliDebug(1,Form("Slice Range set to %d - %d",TRDslicesForPID[0],TRDslicesForPID[1]));
1591 //______________________________________________________________________________
1592 void AliPIDResponse::SetTOFPidResponseMaster()
1595 // Load the TOF pid params from the OADB
1598 if (fTOFPIDParams) delete fTOFPIDParams;
1601 TFile *oadbf = new TFile(Form("%s/COMMON/PID/data/TOFPIDParams.root",fOADBPath.Data()));
1602 if (oadbf && oadbf->IsOpen()) {
1603 AliInfo(Form("Loading TOF Params from %s/COMMON/PID/data/TOFPIDParams.root", fOADBPath.Data()));
1604 AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("TOFoadb");
1605 if (oadbc) fTOFPIDParams = dynamic_cast<AliTOFPIDParams *>(oadbc->GetObject(fRun,"TOFparams"));
1611 if (!fTOFPIDParams) AliFatal("TOFPIDParams could not be retrieved");
1614 //______________________________________________________________________________
1615 void AliPIDResponse::InitializeTOFResponse(){
1617 // Set PID Params to the TOF PID response
1620 AliInfo("TOF PID Params loaded from OADB");
1621 AliInfo(Form(" TOF resolution %5.2f [ps]",fTOFPIDParams->GetTOFresolution()));
1622 AliInfo(Form(" StartTime method %d",fTOFPIDParams->GetStartTimeMethod()));
1623 AliInfo(Form(" TOF res. mom. params: %5.2f %5.2f %5.2f %5.2f",
1624 fTOFPIDParams->GetSigParams(0),fTOFPIDParams->GetSigParams(1),fTOFPIDParams->GetSigParams(2),fTOFPIDParams->GetSigParams(3)));
1625 AliInfo(Form(" Fraction of tracks within gaussian behaviour: %6.4f",fTOFPIDParams->GetTOFtail()));
1626 AliInfo(Form(" MC: Fraction of tracks (percentage) to cut to fit matching in data: %6.2f%%",fTOFPIDParams->GetTOFmatchingLossMC()));
1627 AliInfo(Form(" MC: Fraction of random hits (percentage) to add to fit mismatch in data: %6.2f%%",fTOFPIDParams->GetTOFadditionalMismForMC()));
1628 AliInfo(Form(" Start Time Offset %6.2f ps",fTOFPIDParams->GetTOFtimeOffset()));
1630 for (Int_t i=0;i<4;i++) {
1631 fTOFResponse.SetTrackParameter(i,fTOFPIDParams->GetSigParams(i));
1633 fTOFResponse.SetTimeResolution(fTOFPIDParams->GetTOFresolution());
1635 AliInfo("TZERO resolution loaded from ESDrun/AODheader");
1636 Float_t t0Spread[4];
1637 for (Int_t i=0;i<4;i++) t0Spread[i]=fCurrentEvent->GetT0spread(i);
1638 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]));
1639 Float_t a = t0Spread[1]*t0Spread[1]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3];
1640 Float_t c = t0Spread[2]*t0Spread[2]-t0Spread[0]*t0Spread[0]+t0Spread[3]*t0Spread[3];
1641 if ( (t0Spread[0] > 50. && t0Spread[0] < 400.) && (a > 0.) && (c>0.)) {
1642 fResT0AC=t0Spread[3];
1643 fResT0A=TMath::Sqrt(a);
1644 fResT0C=TMath::Sqrt(c);
1646 AliInfo(" TZERO spreads not present or inconsistent, loading default");
1651 AliInfo(Form(" TZERO resolution set to: T0A: %f [ps] T0C: %f [ps] T0AC %f [ps]",fResT0A,fResT0C,fResT0AC));
1655 //______________________________________________________________________________
1656 void AliPIDResponse::SetHMPIDPidResponseMaster()
1659 // Load the HMPID pid params from the OADB
1662 if (fHMPIDPIDParams) delete fHMPIDPIDParams;
1663 fHMPIDPIDParams=NULL;
1666 if(!fIsMC) oadbf = new TFile(Form("%s/COMMON/PID/data/HMPIDPIDParams.root",fOADBPath.Data()));
1667 else oadbf = new TFile(Form("%s/COMMON/PID/MC/HMPIDPIDParams.root",fOADBPath.Data()));
1668 if (oadbf && oadbf->IsOpen()) {
1669 AliInfo(Form("Loading HMPID Params from %s/COMMON/PID/data/HMPIDPIDParams.root", fOADBPath.Data()));
1670 AliOADBContainer *oadbc = (AliOADBContainer *)oadbf->Get("HMPoadb");
1671 if (oadbc) fHMPIDPIDParams = dynamic_cast<AliHMPIDPIDParams *>(oadbc->GetObject(fRun,"HMPparams"));
1677 if (!fHMPIDPIDParams) AliFatal("HMPIDPIDParams could not be retrieved");
1680 //______________________________________________________________________________
1681 void AliPIDResponse::InitializeHMPIDResponse(){
1683 // Set PID Params to the HMPID PID response
1686 fHMPIDResponse.SetRefIndexArray(fHMPIDPIDParams->GetHMPIDrefIndex());
1689 //______________________________________________________________________________
1690 Bool_t AliPIDResponse::IdentifiedAsElectronTRD(const AliVTrack *vtrack,Double_t efficiencyLevel,Double_t centrality,AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const {
1691 // old function for compatibility
1693 return IdentifiedAsElectronTRD(vtrack,ntracklets,efficiencyLevel,centrality,PIDmethod);
1696 //______________________________________________________________________________
1697 Bool_t AliPIDResponse::IdentifiedAsElectronTRD(const AliVTrack *vtrack, Int_t &ntracklets,Double_t efficiencyLevel,Double_t centrality,AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const {
1699 // Check whether track is identified as electron under a given electron efficiency hypothesis
1701 // ntracklets is the number of tracklets that has been used to calculate the PID signal
1703 Double_t probs[AliPID::kSPECIES];
1705 ntracklets =CalculateTRDResponse(vtrack,probs,PIDmethod);
1707 // Take mean of the TRD momenta in the given tracklets
1708 Float_t p = 0, trdmomenta[AliVTrack::kTRDnPlanes];
1710 for(Int_t iPl=0;iPl<AliVTrack::kTRDnPlanes;iPl++){
1711 if(vtrack->GetTRDmomentum(iPl) > 0.){
1712 trdmomenta[nmomenta++] = vtrack->GetTRDmomentum(iPl);
1715 p = TMath::Mean(nmomenta, trdmomenta);
1717 return fTRDResponse.IdentifiedAsElectron(ntracklets, probs, p, efficiencyLevel,centrality,PIDmethod);
1720 //______________________________________________________________________________
1721 void AliPIDResponse::SetEMCALPidResponseMaster()
1724 // Load the EMCAL pid response functions from the OADB
1726 TObjArray* fEMCALPIDParamsRun = NULL;
1727 TObjArray* fEMCALPIDParamsPass = NULL;
1729 if(fEMCALPIDParams) return;
1730 AliOADBContainer contParams("contParams");
1732 Int_t statusPars = contParams.InitFromFile(Form("%s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()), "AliEMCALPIDParams");
1734 AliError("Failed initializing PID Params from OADB");
1737 AliInfo(Form("Loading EMCAL Params from %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()));
1739 fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(fRun));
1740 if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",fRecoPass)));
1741 if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles")));
1743 if(!fEMCALPIDParams){
1744 AliInfo(Form("EMCAL Params not found in run %d pass %d", fRun, fRecoPass));
1745 AliInfo("Will take the standard LHC11d instead ...");
1747 fEMCALPIDParamsRun = dynamic_cast<TObjArray *>(contParams.GetObject(156477));
1748 if(fEMCALPIDParamsRun) fEMCALPIDParamsPass = dynamic_cast<TObjArray *>(fEMCALPIDParamsRun->FindObject(Form("pass%d",1)));
1749 if(fEMCALPIDParamsPass) fEMCALPIDParams = dynamic_cast<TObjArray *>(fEMCALPIDParamsPass->FindObject(Form("EMCALPIDParams_Particles")));
1751 if(!fEMCALPIDParams){
1752 AliError(Form("DEFAULT EMCAL Params (LHC11d) not found in file %s/COMMON/PID/data/EMCALPIDParams.root", fOADBPath.Data()));
1758 //______________________________________________________________________________
1759 void AliPIDResponse::InitializeEMCALResponse(){
1761 // Set PID Params to the EMCAL PID response
1763 fEMCALResponse.SetPIDParams(fEMCALPIDParams);
1767 //______________________________________________________________________________
1768 void AliPIDResponse::FillTrackDetectorPID(const AliVTrack *track, EDetector detector) const
1771 // create detector PID information and setup the transient pointer in the track
1774 // check if detector number is inside accepted range
1775 if (detector == kNdetectors) return;
1778 AliDetectorPID *detPID=const_cast<AliDetectorPID*>(track->GetDetectorPID());
1780 detPID=new AliDetectorPID;
1781 (const_cast<AliVTrack*>(track))->SetDetectorPID(detPID);
1784 //check if values exist
1785 if (detPID->HasRawProbability(detector) && detPID->HasNumberOfSigmas(detector)) return;
1787 //TODO: which particles to include? See also the loops below...
1788 Double_t values[AliPID::kSPECIESC]={0};
1791 EDetPidStatus status=GetComputePIDProbability(detector,track,AliPID::kSPECIESC,values);
1792 detPID->SetRawProbability(detector, values, (Int_t)AliPID::kSPECIESC, status);
1795 for (Int_t ipart=0; ipart<AliPID::kSPECIESC; ++ipart)
1796 values[ipart]=GetNumberOfSigmas(detector,track,(AliPID::EParticleType)ipart);
1797 // the pid status is the same for probabilities and nSigmas, so it is
1798 // fine to use the one from the probabilities also here
1799 detPID->SetNumberOfSigmas(detector, values, (Int_t)AliPID::kSPECIESC, status);
1803 //______________________________________________________________________________
1804 void AliPIDResponse::FillTrackDetectorPID()
1807 // create detector PID information and setup the transient pointer in the track
1810 if (!fCurrentEvent) return;
1812 for (Int_t itrack=0; itrack<fCurrentEvent->GetNumberOfTracks(); ++itrack){
1813 AliVTrack *track=dynamic_cast<AliVTrack*>(fCurrentEvent->GetTrack(itrack));
1814 if (!track) continue;
1816 for (Int_t idet=0; idet<kNdetectors; ++idet){
1817 FillTrackDetectorPID(track, (EDetector)idet);
1822 //______________________________________________________________________________
1823 void AliPIDResponse::SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option){
1825 // Set TOF response function
1826 // Input option for event_time used
1829 Float_t t0spread = 0.; //vevent->GetEventTimeSpread();
1830 if(t0spread < 10) t0spread = 80;
1832 // T0-FILL and T0-TO offset (because of TOF misallignment
1833 Float_t starttimeoffset = 0;
1834 if(fTOFPIDParams && !(fIsMC)) starttimeoffset=fTOFPIDParams->GetTOFtimeOffset();
1836 fTOFtail = fTOFPIDParams->GetTOFtail();
1837 GetTOFResponse().SetTOFtail(fTOFtail);
1840 // T0 from TOF algorithm
1841 Bool_t flagT0TOF=kFALSE;
1842 Bool_t flagT0T0=kFALSE;
1843 Float_t *startTime = new Float_t[fTOFResponse.GetNmomBins()];
1844 Float_t *startTimeRes = new Float_t[fTOFResponse.GetNmomBins()];
1845 Int_t *startTimeMask = new Int_t[fTOFResponse.GetNmomBins()];
1848 Float_t *estimatedT0event = new Float_t[fTOFResponse.GetNmomBins()];
1849 Float_t *estimatedT0resolution = new Float_t[fTOFResponse.GetNmomBins()];
1850 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1851 estimatedT0event[i]=0.0;
1852 estimatedT0resolution[i]=0.0;
1853 startTimeMask[i] = 0;
1856 Float_t resT0A=fResT0A;
1857 Float_t resT0C=fResT0C;
1858 Float_t resT0AC=fResT0AC;
1859 if(vevent->GetT0TOF()){ // check if T0 detector information is available
1864 AliTOFHeader *tofHeader = (AliTOFHeader*)vevent->GetTOFHeader();
1866 if (tofHeader) { // read global info and T0-TOF
1867 fTOFResponse.SetTimeResolution(tofHeader->GetTOFResolution());
1868 t0spread = tofHeader->GetT0spread(); // read t0 sprad
1869 if(t0spread < 10) t0spread = 80;
1872 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){ // read T0-TOF default value
1873 startTime[i]=tofHeader->GetDefaultEventTimeVal();
1874 startTimeRes[i]=tofHeader->GetDefaultEventTimeRes();
1875 if(startTimeRes[i] < 1.e-5) startTimeRes[i] = t0spread;
1877 if(startTimeRes[i] > t0spread - 10 && TMath::Abs(startTime[i]) < 0.001) startTime[i] = -starttimeoffset; // apply offset for T0-fill
1880 TArrayI *ibin=(TArrayI*)tofHeader->GetNvalues();
1881 TArrayF *t0Bin=(TArrayF*)tofHeader->GetEventTimeValues();
1882 TArrayF *t0ResBin=(TArrayF*)tofHeader->GetEventTimeRes();
1883 for(Int_t j=0;j < tofHeader->GetNbins();j++){ // fill T0-TOF in p-bins
1884 Int_t icurrent = (Int_t)ibin->GetAt(j);
1885 startTime[icurrent]=t0Bin->GetAt(j);
1886 startTimeRes[icurrent]=t0ResBin->GetAt(j);
1887 if(startTimeRes[icurrent] < 1.e-5) startTimeRes[icurrent] = t0spread;
1888 if(startTimeRes[icurrent] > t0spread - 10 && TMath::Abs(startTime[icurrent]) < 0.001) startTime[icurrent] = -starttimeoffset; // apply offset for T0-fill
1892 // for cut of 3 sigma on t0 spread
1893 Float_t t0cut = 3 * t0spread;
1894 if(t0cut < 500) t0cut = 500;
1896 if(option == kFILL_T0){ // T0-FILL is used
1897 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1898 estimatedT0event[i]=0.0-starttimeoffset;
1899 estimatedT0resolution[i]=t0spread;
1901 fTOFResponse.SetT0event(estimatedT0event);
1902 fTOFResponse.SetT0resolution(estimatedT0resolution);
1905 if(option == kTOF_T0){ // T0-TOF is used when available (T0-FILL otherwise) from ESD
1907 fTOFResponse.SetT0event(startTime);
1908 fTOFResponse.SetT0resolution(startTimeRes);
1909 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1910 if(startTimeRes[i]<t0spread) startTimeMask[i]=1;
1911 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1915 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1916 estimatedT0event[i]=0.0-starttimeoffset;
1917 estimatedT0resolution[i]=t0spread;
1918 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1920 fTOFResponse.SetT0event(estimatedT0event);
1921 fTOFResponse.SetT0resolution(estimatedT0resolution);
1924 else if(option == kBest_T0){ // T0-T0 or T0-TOF are used when available (T0-FILL otherwise) from ESD
1925 Float_t t0AC=-10000;
1929 t0A= vevent->GetT0TOF()[1] - starttimeoffset;
1930 t0C= vevent->GetT0TOF()[2] - starttimeoffset;
1931 // t0AC= vevent->GetT0TOF()[0];
1932 t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C;
1933 resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C);
1934 t0AC /= resT0AC*resT0AC;
1937 Float_t t0t0Best = 0;
1938 Float_t t0t0BestRes = 9999;
1940 if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){
1942 t0t0BestRes = resT0AC;
1945 else if(TMath::Abs(t0C) < t0cut){
1947 t0t0BestRes = resT0C;
1950 else if(TMath::Abs(t0A) < t0cut){
1952 t0t0BestRes = resT0A;
1956 if(flagT0TOF){ // if T0-TOF info is available
1957 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1958 if(t0t0BestRes < 999){
1959 if(startTimeRes[i] < t0spread){
1960 Double_t wtot = 1./startTimeRes[i]/startTimeRes[i] + 1./t0t0BestRes/t0t0BestRes;
1961 Double_t t0best = startTime[i]/startTimeRes[i]/startTimeRes[i] + t0t0Best/t0t0BestRes/t0t0BestRes;
1962 estimatedT0event[i]=t0best / wtot;
1963 estimatedT0resolution[i]=1./TMath::Sqrt(wtot);
1964 startTimeMask[i] = t0used+1;
1967 estimatedT0event[i]=t0t0Best;
1968 estimatedT0resolution[i]=t0t0BestRes;
1969 startTimeMask[i] = t0used;
1973 estimatedT0event[i]=startTime[i];
1974 estimatedT0resolution[i]=startTimeRes[i];
1975 if(startTimeRes[i]<t0spread) startTimeMask[i]=1;
1977 fTOFResponse.SetT0binMask(i,startTimeMask[i]);
1979 fTOFResponse.SetT0event(estimatedT0event);
1980 fTOFResponse.SetT0resolution(estimatedT0resolution);
1982 else{ // if no T0-TOF info is available
1983 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
1984 fTOFResponse.SetT0binMask(i,t0used);
1985 if(t0t0BestRes < 999){
1986 estimatedT0event[i]=t0t0Best;
1987 estimatedT0resolution[i]=t0t0BestRes;
1990 estimatedT0event[i]=0.0-starttimeoffset;
1991 estimatedT0resolution[i]=t0spread;
1994 fTOFResponse.SetT0event(estimatedT0event);
1995 fTOFResponse.SetT0resolution(estimatedT0resolution);
1999 else if(option == kT0_T0){ // T0-T0 is used when available (T0-FILL otherwise)
2000 Float_t t0AC=-10000;
2004 t0A= vevent->GetT0TOF()[1] - starttimeoffset;
2005 t0C= vevent->GetT0TOF()[2] - starttimeoffset;
2006 // t0AC= vevent->GetT0TOF()[0];
2007 t0AC= t0A/resT0A/resT0A + t0C/resT0C/resT0C;
2008 resT0AC= TMath::Sqrt(1./resT0A/resT0A + 1./resT0C/resT0C);
2009 t0AC /= resT0AC*resT0AC;
2012 if(TMath::Abs(t0A) < t0cut && TMath::Abs(t0C) < t0cut && TMath::Abs(t0C-t0A) < 500){
2013 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
2014 estimatedT0event[i]=t0AC;
2015 estimatedT0resolution[i]=resT0AC;
2016 fTOFResponse.SetT0binMask(i,6);
2019 else if(TMath::Abs(t0C) < t0cut){
2020 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
2021 estimatedT0event[i]=t0C;
2022 estimatedT0resolution[i]=resT0C;
2023 fTOFResponse.SetT0binMask(i,4);
2026 else if(TMath::Abs(t0A) < t0cut){
2027 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
2028 estimatedT0event[i]=t0A;
2029 estimatedT0resolution[i]=resT0A;
2030 fTOFResponse.SetT0binMask(i,2);
2034 for(Int_t i=0;i<fTOFResponse.GetNmomBins();i++){
2035 estimatedT0event[i]= 0.0 - starttimeoffset;
2036 estimatedT0resolution[i]=t0spread;
2037 fTOFResponse.SetT0binMask(i,0);
2040 fTOFResponse.SetT0event(estimatedT0event);
2041 fTOFResponse.SetT0resolution(estimatedT0resolution);
2044 delete [] startTime;
2045 delete [] startTimeRes;
2046 delete [] startTimeMask;
2047 delete [] estimatedT0event;
2048 delete [] estimatedT0resolution;
2051 //______________________________________________________________________________
2052 // private non cached versions of the PID calculation
2056 //______________________________________________________________________________
2057 Float_t AliPIDResponse::GetNumberOfSigmas(EDetector detector, const AliVParticle *vtrack, AliPID::EParticleType type) const
2060 // NumberOfSigmas for 'detCode'
2063 const AliVTrack *track=static_cast<const AliVTrack*>(vtrack);
2066 case kITS: return GetNumberOfSigmasITS(track, type); break;
2067 case kTPC: return GetNumberOfSigmasTPC(track, type); break;
2068 case kTRD: return GetNumberOfSigmasTRD(track, type); break;
2069 case kTOF: return GetNumberOfSigmasTOF(track, type); break;
2070 case kHMPID: return GetNumberOfSigmasHMPID(track, type); break;
2071 case kEMCAL: return GetNumberOfSigmasEMCAL(track, type); break;
2072 default: return -999.;
2078 //______________________________________________________________________________
2079 Float_t AliPIDResponse::GetNumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const
2082 // Calculate the number of sigmas in the ITS
2085 AliVTrack *track=(AliVTrack*)vtrack;
2087 const EDetPidStatus pidStatus=GetITSPIDStatus(track);
2088 if (pidStatus!=kDetPidOk) return -999.;
2090 return fITSResponse.GetNumberOfSigmas(track,type);
2093 //______________________________________________________________________________
2094 Float_t AliPIDResponse::GetNumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const
2097 // Calculate the number of sigmas in the TPC
2100 AliVTrack *track=(AliVTrack*)vtrack;
2102 const EDetPidStatus pidStatus=GetTPCPIDStatus(track);
2103 if (pidStatus!=kDetPidOk) return -999.;
2105 // the following call is needed in order to fill the transient data member
2106 // fTPCsignalTuned which is used in the TPCPIDResponse to judge
2107 // if using tuned on data
2108 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))
2109 this->GetTPCsignalTunedOnData(track);
2111 return fTPCResponse.GetNumberOfSigmas(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
2114 //______________________________________________________________________________
2115 Float_t AliPIDResponse::GetNumberOfSigmasTRD(const AliVParticle *vtrack, AliPID::EParticleType type) const
2118 // Calculate the number of sigmas in the TRD
2121 AliVTrack *track=(AliVTrack*)vtrack;
2123 const EDetPidStatus pidStatus=GetTRDPIDStatus(track);
2124 if (pidStatus!=kDetPidOk) return -999.;
2126 return fTRDResponse.GetNumberOfSigmas(track,type);
2129 //______________________________________________________________________________
2130 Float_t AliPIDResponse::GetNumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const
2133 // Calculate the number of sigmas in the TOF
2136 AliVTrack *track=(AliVTrack*)vtrack;
2138 const EDetPidStatus pidStatus=GetTOFPIDStatus(track);
2139 if (pidStatus!=kDetPidOk) return -999.;
2141 return GetNumberOfSigmasTOFold(vtrack, type);
2143 //______________________________________________________________________________
2145 Float_t AliPIDResponse::GetNumberOfSigmasHMPID(const AliVParticle *vtrack, AliPID::EParticleType type) const
2148 // Calculate the number of sigmas in the HMPID
2150 AliVTrack *track=(AliVTrack*)vtrack;
2152 const EDetPidStatus pidStatus=GetHMPIDPIDStatus(track);
2153 if (pidStatus!=kDetPidOk) return -999.;
2155 return fHMPIDResponse.GetNumberOfSigmas(track, type);
2158 //______________________________________________________________________________
2159 Float_t AliPIDResponse::GetNumberOfSigmasEMCAL(const AliVParticle *vtrack, AliPID::EParticleType type) const
2162 // Calculate the number of sigmas in the EMCAL
2165 AliVTrack *track=(AliVTrack*)vtrack;
2167 const EDetPidStatus pidStatus=GetEMCALPIDStatus(track);
2168 if (pidStatus!=kDetPidOk) return -999.;
2170 const Int_t nMatchClus = track->GetEMCALcluster();
2171 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
2173 const Double_t mom = track->P();
2174 const Double_t pt = track->Pt();
2175 const Int_t charge = track->Charge();
2176 const Double_t fClsE = matchedClus->E();
2177 const Double_t EovP = fClsE/mom;
2179 return fEMCALResponse.GetNumberOfSigmas(pt,EovP,type,charge);
2182 //______________________________________________________________________________
2183 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaITS(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2186 // Signal minus expected Signal for ITS
2188 AliVTrack *track=(AliVTrack*)vtrack;
2189 val=fITSResponse.GetSignalDelta(track,type,ratio);
2191 return GetITSPIDStatus(track);
2194 //______________________________________________________________________________
2195 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTPC(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2198 // Signal minus expected Signal for TPC
2200 AliVTrack *track=(AliVTrack*)vtrack;
2202 // the following call is needed in order to fill the transient data member
2203 // fTPCsignalTuned which is used in the TPCPIDResponse to judge
2204 // if using tuned on data
2205 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC))
2206 this->GetTPCsignalTunedOnData(track);
2208 val=fTPCResponse.GetSignalDelta(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection, ratio);
2210 return GetTPCPIDStatus(track);
2213 //______________________________________________________________________________
2214 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTRD(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2217 // Signal minus expected Signal for TRD
2219 AliVTrack *track=(AliVTrack*)vtrack;
2220 val=fTRDResponse.GetSignalDelta(track,type,ratio);
2222 return GetTRDPIDStatus(track);
2225 //______________________________________________________________________________
2226 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaTOF(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2229 // Signal minus expected Signal for TOF
2231 AliVTrack *track=(AliVTrack*)vtrack;
2232 val=GetSignalDeltaTOFold(track, type, ratio);
2234 return GetTOFPIDStatus(track);
2237 //______________________________________________________________________________
2238 AliPIDResponse::EDetPidStatus AliPIDResponse::GetSignalDeltaHMPID(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio/*=kFALSE*/) const
2241 // Signal minus expected Signal for HMPID
2243 AliVTrack *track=(AliVTrack*)vtrack;
2244 val=fHMPIDResponse.GetSignalDelta(track, type, ratio);
2246 return GetHMPIDPIDStatus(track);
2249 //______________________________________________________________________________
2250 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2253 // Compute PID response of 'detCode'
2257 case kITS: return GetComputeITSProbability(track, nSpecies, p); break;
2258 case kTPC: return GetComputeTPCProbability(track, nSpecies, p); break;
2259 case kTRD: return GetComputeTRDProbability(track, nSpecies, p); break;
2260 case kTOF: return GetComputeTOFProbability(track, nSpecies, p); break;
2261 case kPHOS: return GetComputePHOSProbability(track, nSpecies, p); break;
2262 case kEMCAL: return GetComputeEMCALProbability(track, nSpecies, p); break;
2263 case kHMPID: return GetComputeHMPIDProbability(track, nSpecies, p); break;
2264 default: return kDetNoSignal;
2268 //______________________________________________________________________________
2269 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2272 // Compute PID response for the ITS
2275 // set flat distribution (no decision)
2276 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2278 const EDetPidStatus pidStatus=GetITSPIDStatus(track);
2279 if (pidStatus!=kDetPidOk) return pidStatus;
2281 if (track->GetDetectorPID()){
2282 return track->GetDetectorPID()->GetRawProbability(kITS, p, nSpecies);
2285 //check for ITS standalone tracks
2287 if( track->GetStatus() & AliVTrack::kTPCin ) isSA=kFALSE;
2289 Double_t mom=track->P();
2290 Double_t dedx=track->GetITSsignal();
2291 Double_t momITS=mom;
2292 UChar_t clumap=track->GetITSClusterMap();
2293 Int_t nPointsForPid=0;
2294 for(Int_t i=2; i<6; i++){
2295 if(clumap&(1<<i)) ++nPointsForPid;
2298 Bool_t mismatch=kTRUE/*, heavy=kTRUE*/;
2299 for (Int_t j=0; j<nSpecies; j++) {
2300 Double_t mass=AliPID::ParticleMassZ(j);//GeV/c^2
2301 const Double_t chargeFactor = TMath::Power(AliPID::ParticleCharge(j),2.);
2302 Double_t bethe=fITSResponse.Bethe(momITS,mass)*chargeFactor;
2303 //TODO: in case of the electron, use the SA parametrisation,
2304 // this needs to be changed if ITS provides a parametrisation
2305 // for electrons also for ITS+TPC tracks
2306 Double_t sigma=fITSResponse.GetResolution(bethe,nPointsForPid,isSA || (j==(Int_t)AliPID::kElectron));
2307 if (TMath::Abs(dedx-bethe) > fRange*sigma) {
2308 p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma;
2310 p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma;
2316 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2321 //______________________________________________________________________________
2322 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2325 // Compute PID response for the TPC
2328 // set flat distribution (no decision)
2329 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2331 const EDetPidStatus pidStatus=GetTPCPIDStatus(track);
2332 if (pidStatus!=kDetPidOk) return pidStatus;
2334 Double_t dedx=track->GetTPCsignal();
2335 Bool_t mismatch=kTRUE/*, heavy=kTRUE*/;
2337 if (fTuneMConData && ((fTuneMConDataMask & kDetTPC) == kDetTPC)) dedx = this->GetTPCsignalTunedOnData(track);
2339 Double_t bethe = 0.;
2340 Double_t sigma = 0.;
2342 for (Int_t j=0; j<nSpecies; j++) {
2343 AliPID::EParticleType type=AliPID::EParticleType(j);
2345 bethe=fTPCResponse.GetExpectedSignal(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
2346 sigma=fTPCResponse.GetExpectedSigma(track, type, AliTPCPIDResponse::kdEdxDefault, fUseTPCEtaCorrection, fUseTPCMultiplicityCorrection);
2348 if (TMath::Abs(dedx-bethe) > fRange*sigma) {
2349 p[j]=TMath::Exp(-0.5*fRange*fRange)/sigma;
2351 p[j]=TMath::Exp(-0.5*(dedx-bethe)*(dedx-bethe)/(sigma*sigma))/sigma;
2357 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2362 //______________________________________________________________________________
2363 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2366 // Compute PID probabilities for TOF
2369 fgTOFmismatchProb = 1E-8;
2371 // centrality --> fCurrCentrality
2372 // Beam type --> fBeamTypeNum
2373 // N TOF cluster --> TOF header --> to get the TOF header we need to add a virtual method in AliVTrack extended to ESD and AOD tracks
2376 Int_t nTOFcluster = 0;
2377 if(track->GetTOFHeader() && track->GetTOFHeader()->GetTriggerMask()){ // N TOF clusters available
2378 nTOFcluster = track->GetTOFHeader()->GetNumberOfTOFclusters();
2379 if(fIsMC) nTOFcluster *= 1.5; // +50% in MC
2382 switch(fBeamTypeNum){
2383 case kPP: // pp 7 TeV
2386 case kPPB: // pPb 5.05 ATeV
2387 nTOFcluster = 50 + (100-fCurrCentrality)*50;
2389 case kPBPB: // PbPb 2.76 ATeV
2390 nTOFcluster = 50 + (100-fCurrCentrality)*150;
2395 //fTOFResponse.GetMismatchProbability(track->GetTOFsignal(),track->Eta()) * 0.01; // for future implementation of mismatch (i.e. 1% mismatch that should be extended for PbPb, pPb)
2397 // set flat distribution (no decision)
2398 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2400 const EDetPidStatus pidStatus=GetTOFPIDStatus(track);
2401 if (pidStatus!=kDetPidOk) return pidStatus;
2403 const Double_t meanCorrFactor = 0.07/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1)
2405 for (Int_t j=0; j<nSpecies; j++) {
2406 AliPID::EParticleType type=AliPID::EParticleType(j);
2407 const Double_t nsigmas=GetNumberOfSigmasTOFold(track,type) + meanCorrFactor;
2409 const Double_t expTime = fTOFResponse.GetExpectedSignal(track,type);
2410 const Double_t sig = fTOFResponse.GetExpectedSigma(track->P(),expTime,AliPID::ParticleMassZ(type));
2412 if(nsigmas < fTOFtail)
2413 p[j] = TMath::Exp(-0.5*nsigmas*nsigmas)/sig;
2415 p[j] = TMath::Exp(-(nsigmas - fTOFtail*0.5)*fTOFtail)/sig;
2417 p[j] += fgTOFmismatchProb;
2423 Int_t AliPIDResponse::CalculateTRDResponse(const AliVTrack *track,Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const
2425 // new function for backward compatibility
2426 // returns number of tracklets PID
2428 UInt_t TRDslicesForPID[2];
2429 SetTRDSlices(TRDslicesForPID,PIDmethod);
2431 Float_t mom[6]={0.};
2432 Double_t dedx[48]={0.}; // Allocate space for the maximum number of TRD slices
2433 Int_t nslices = TRDslicesForPID[1] - TRDslicesForPID[0] + 1;
2434 AliDebug(1, Form("First Slice: %d, Last Slice: %d, Number of slices: %d", TRDslicesForPID[0], TRDslicesForPID[1], nslices));
2435 for(UInt_t ilayer = 0; ilayer < 6; ilayer++){
2436 mom[ilayer] = track->GetTRDmomentum(ilayer);
2437 for(UInt_t islice = TRDslicesForPID[0]; islice <= TRDslicesForPID[1]; islice++){
2438 dedx[ilayer*nslices+islice-TRDslicesForPID[0]] = track->GetTRDslice(ilayer, islice);
2442 return fTRDResponse.GetResponse(nslices, dedx, mom, p,PIDmethod);
2445 //______________________________________________________________________________
2446 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const
2449 // Compute PID probabilities for the TRD
2452 // set flat distribution (no decision)
2453 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2455 const EDetPidStatus pidStatus=GetTRDPIDStatus(track);
2456 if (pidStatus!=kDetPidOk) return pidStatus;
2458 CalculateTRDResponse(track,p,PIDmethod);
2463 //______________________________________________________________________________
2464 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeEMCALProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2467 // Compute PID response for the EMCAL
2470 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2472 const EDetPidStatus pidStatus=GetEMCALPIDStatus(track);
2473 if (pidStatus!=kDetPidOk) return pidStatus;
2475 const Int_t nMatchClus = track->GetEMCALcluster();
2476 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
2478 const Double_t mom = track->P();
2479 const Double_t pt = track->Pt();
2480 const Int_t charge = track->Charge();
2481 const Double_t fClsE = matchedClus->E();
2482 const Double_t EovP = fClsE/mom;
2484 // compute the probabilities
2485 fEMCALResponse.ComputeEMCALProbability(nSpecies,pt,EovP,charge,p);
2489 //______________________________________________________________________________
2490 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputePHOSProbability (const AliVTrack */*track*/, Int_t nSpecies, Double_t p[]) const
2493 // Compute PID response for the PHOS
2496 // set flat distribution (no decision)
2497 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2498 return kDetNoSignal;
2501 //______________________________________________________________________________
2502 AliPIDResponse::EDetPidStatus AliPIDResponse::GetComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const
2505 // Compute PID response for the HMPID
2508 // set flat distribution (no decision)
2509 for (Int_t j=0; j<nSpecies; j++) p[j]=1./nSpecies;
2511 const EDetPidStatus pidStatus=GetHMPIDPIDStatus(track);
2512 if (pidStatus!=kDetPidOk) return pidStatus;
2514 fHMPIDResponse.GetProbability(track,nSpecies,p);
2519 //______________________________________________________________________________
2520 AliPIDResponse::EDetPidStatus AliPIDResponse::GetITSPIDStatus(const AliVTrack *track) const
2522 // compute ITS pid status
2524 // check status bits
2525 if ((track->GetStatus()&AliVTrack::kITSin)==0 &&
2526 (track->GetStatus()&AliVTrack::kITSout)==0) return kDetNoSignal;
2528 const Float_t dEdx=track->GetITSsignal();
2529 if (dEdx<=0) return kDetNoSignal;
2531 // requite at least 3 pid clusters
2532 const UChar_t clumap=track->GetITSClusterMap();
2533 Int_t nPointsForPid=0;
2534 for(Int_t i=2; i<6; i++){
2535 if(clumap&(1<<i)) ++nPointsForPid;
2538 if(nPointsForPid<3) {
2539 return kDetNoSignal;
2545 //______________________________________________________________________________
2546 AliPIDResponse::EDetPidStatus AliPIDResponse:: GetTPCPIDStatus(const AliVTrack *track) const
2548 // compute TPC pid status
2550 // check quality of the track
2551 if ( (track->GetStatus()&AliVTrack::kTPCin )==0 && (track->GetStatus()&AliVTrack::kTPCout)==0 ) return kDetNoSignal;
2554 const Double_t dedx=track->GetTPCsignal();
2555 const UShort_t signalN=track->GetTPCsignalN();
2556 if (signalN<10 || dedx<10) return kDetNoSignal;
2558 if (!(fArrPidResponseMaster && fArrPidResponseMaster->At(AliPID::kPion))) return kDetNoParams;
2563 //______________________________________________________________________________
2564 AliPIDResponse::EDetPidStatus AliPIDResponse::GetTRDPIDStatus(const AliVTrack *track) const
2566 // compute TRD pid status
2568 if((track->GetStatus()&AliVTrack::kTRDout)==0) return kDetNoSignal;
2572 //______________________________________________________________________________
2573 AliPIDResponse::EDetPidStatus AliPIDResponse::GetTOFPIDStatus(const AliVTrack *track) const
2575 // compute TOF pid status
2577 if ((track->GetStatus()&AliVTrack::kTOFout)==0) return kDetNoSignal;
2578 if ((track->GetStatus()&AliVTrack::kTIME)==0) return kDetNoSignal;
2583 //______________________________________________________________________________
2584 Float_t AliPIDResponse::GetTOFMismatchProbability(const AliVTrack *track) const
2586 // compute mismatch probability cross-checking at 5 sigmas with TPC
2587 // currently just implemented as a 5 sigma compatibility cut
2589 if(!track) return fgTOFmismatchProb;
2592 const EDetPidStatus tofStatus=GetTOFPIDStatus(track);
2593 if (tofStatus!=kDetPidOk) return 0.;
2596 const EDetPidStatus tpcStatus=GetTPCPIDStatus(track);
2597 if (tpcStatus!=kDetPidOk) return 0.;
2599 const Double_t meanCorrFactor = 0.11/fTOFtail; // Correction factor on the mean because of the tail (should be ~ 0.1 with tail = 1.1)
2600 Bool_t mismatch = kTRUE/*, heavy = kTRUE*/;
2601 for (Int_t j=0; j<AliPID::kSPECIESC; j++) {
2602 AliPID::EParticleType type=AliPID::EParticleType(j);
2603 const Double_t nsigmas=GetNumberOfSigmasTOFold(track,type) + meanCorrFactor;
2605 if (TMath::Abs(nsigmas)<5.){
2606 const Double_t nsigmasTPC=GetNumberOfSigmasTPC(track,type);
2607 if (TMath::Abs(nsigmasTPC)<5.) mismatch=kFALSE;
2618 //______________________________________________________________________________
2619 AliPIDResponse::EDetPidStatus AliPIDResponse:: GetHMPIDPIDStatus(const AliVTrack *track) const
2621 // compute HMPID pid status
2623 Int_t ch = track->GetHMPIDcluIdx()/1000000;
2624 Double_t HMPIDsignal = track->GetHMPIDsignal();
2626 if((track->GetStatus()&AliVTrack::kHMPIDpid)==0 || ch<0 || ch>6 || HMPIDsignal<0) return kDetNoSignal;
2631 //______________________________________________________________________________
2632 AliPIDResponse::EDetPidStatus AliPIDResponse:: GetPHOSPIDStatus(const AliVTrack */*track*/) const
2634 // compute PHOS pid status
2635 return kDetNoSignal;
2638 //______________________________________________________________________________
2639 AliPIDResponse::EDetPidStatus AliPIDResponse:: GetEMCALPIDStatus(const AliVTrack *track) const
2641 // compute EMCAL pid status
2645 const Int_t nMatchClus = track->GetEMCALcluster();
2646 if (nMatchClus<0) return kDetNoSignal;
2648 AliVCluster *matchedClus = (AliVCluster*)fCurrentEvent->GetCaloCluster(nMatchClus);
2650 if (!(matchedClus && matchedClus->IsEMCAL())) return kDetNoSignal;
2652 const Int_t charge = track->Charge();
2653 if (TMath::Abs(charge)!=1) return kDetNoSignal;
2655 if (!(fEMCALPIDParams && fEMCALPIDParams->At(AliPID::kElectron))) return kDetNoParams;
2661 //______________________________________________________________________________
2662 AliPIDResponse::EDetPidStatus AliPIDResponse::GetPIDStatus(EDetector detector, const AliVTrack *track) const
2665 // check pid status for a track
2669 case kITS: return GetITSPIDStatus(track); break;
2670 case kTPC: return GetTPCPIDStatus(track); break;
2671 case kTRD: return GetTRDPIDStatus(track); break;
2672 case kTOF: return GetTOFPIDStatus(track); break;
2673 case kPHOS: return GetPHOSPIDStatus(track); break;
2674 case kEMCAL: return GetEMCALPIDStatus(track); break;
2675 case kHMPID: return GetHMPIDPIDStatus(track); break;
2676 default: return kDetNoSignal;
2678 return kDetNoSignal;
2682 //______________________________________________________________________________
2683 TString AliPIDResponse::GetChecksum(const TObject* obj) const
2685 // Return the checksum for an object obj (tested to work properly at least for histograms and TSplines).
2687 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!
2689 // For parallel processing, a unique file pathname is required. Uniqueness can be guaranteed by using a unique directory name
2691 TString uniquePathName = Form("tempChecksum_%u", index);
2693 // To get a unique path name, increase the index until no directory
2694 // of such a name exists.
2695 // NOTE: gSystem->AccessPathName(...) returns kTRUE, if the access FAILED!
2696 while (!gSystem->AccessPathName(uniquePathName.Data()))
2697 uniquePathName = Form("tempChecksum_%u", ++index);
2699 if (gSystem->mkdir(uniquePathName.Data()) < 0) {
2700 AliError("Could not create temporary directory to store temp file for checksum determination!");
2704 TString option = "";
2706 // Save object as a macro, which will be deleted immediately after the checksum has been computed
2707 // (does not work for desired data types if saved as *.root for some reason) - one only wants to compare the content, not
2708 // the modification time etc. ...
2709 if (dynamic_cast<const TH1*>(obj))
2710 option = "colz"; // Histos need this option, since w/o this option, a counter is added to the filename
2713 // SaveAs must be called with the fixed fileName only, since the first argument goes into the file content
2714 // for some object types. Thus, change the directory, save the file and then go back
2715 TString oldDir = gSystem->pwd();
2716 gSystem->cd(uniquePathName.Data());
2717 obj->SaveAs(fileName.Data(), option.Data());
2718 gSystem->cd(oldDir.Data());
2720 // Use the file to calculate the MD5 checksum
2721 TMD5* md5 = TMD5::FileChecksum(Form("%s/%s", uniquePathName.Data(), fileName.Data()));
2722 TString checksum = md5->AsString();
2726 gSystem->Exec(Form("rm -rf %s", uniquePathName.Data()));