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: AliAnalysisTaskPIDqa.cxx 43811 2010-09-23 14:13:31Z wiechula $ */
19 #include <TObjArray.h>
27 #include <AliAnalysisManager.h>
28 #include <AliInputEventHandler.h>
29 #include <AliVEventHandler.h>
30 #include <AliVEvent.h>
31 #include <AliVParticle.h>
32 #include <AliVTrack.h>
35 #include <AliPIDResponse.h>
36 #include <AliITSPIDResponse.h>
37 #include <AliTPCPIDResponse.h>
38 #include <AliTRDPIDResponse.h>
39 #include <AliTOFPIDResponse.h>
41 #include <AliESDEvent.h>
43 #include "AliAnalysisTaskPIDqa.h"
46 ClassImp(AliAnalysisTaskPIDqa)
48 //______________________________________________________________________________
49 AliAnalysisTaskPIDqa::AliAnalysisTaskPIDqa():
55 fListQAitsPureSA(0x0),
67 //______________________________________________________________________________
68 AliAnalysisTaskPIDqa::AliAnalysisTaskPIDqa(const char* name):
69 AliAnalysisTaskSE(name),
74 fListQAitsPureSA(0x0),
82 // Default constructor
84 DefineInput(0,TChain::Class());
85 DefineOutput(1,TList::Class());
88 //______________________________________________________________________________
89 AliAnalysisTaskPIDqa::~AliAnalysisTaskPIDqa()
97 //______________________________________________________________________________
98 void AliAnalysisTaskPIDqa::UserCreateOutputObjects()
101 // Create the output QA objects
104 AliLog::SetClassDebugLevel("AliAnalysisTaskPIDqa",10);
107 AliAnalysisManager *man=AliAnalysisManager::GetAnalysisManager();
108 AliInputEventHandler *inputHandler=dynamic_cast<AliInputEventHandler*>(man->GetInputEventHandler());
109 if (!inputHandler) AliFatal("Input handler needed");
111 //pid response object
112 fPIDResponse=inputHandler->GetPIDResponse();
113 if (!fPIDResponse) AliError("PIDResponse object was not created");
119 fListQAits=new TList;
120 fListQAits->SetOwner();
121 fListQAits->SetName("ITS");
123 fListQAitsSA=new TList;
124 fListQAitsSA->SetOwner();
125 fListQAitsSA->SetName("ITS");
127 fListQAitsPureSA=new TList;
128 fListQAitsPureSA->SetOwner();
129 fListQAitsPureSA->SetName("ITS");
131 fListQAtpc=new TList;
132 fListQAtpc->SetOwner();
133 fListQAtpc->SetName("TPC");
135 fListQAtrd=new TList;
136 fListQAtrd->SetOwner();
137 fListQAtrd->SetName("TRD");
139 fListQAtof=new TList;
140 fListQAtof->SetOwner();
141 fListQAtof->SetName("TOF");
143 fListQAemcal=new TList;
144 fListQAemcal->SetOwner();
145 fListQAemcal->SetName("EMCAL");
147 fListQAtpctof=new TList;
148 fListQAtpctof->SetOwner();
149 fListQAtpctof->SetName("TPC_TOF");
151 fListQA->Add(fListQAits);
152 fListQA->Add(fListQAitsSA);
153 fListQA->Add(fListQAitsPureSA);
154 fListQA->Add(fListQAtpc);
155 fListQA->Add(fListQAtrd);
156 fListQA->Add(fListQAtof);
157 fListQA->Add(fListQAemcal);
158 fListQA->Add(fListQAtpctof);
171 //______________________________________________________________________________
172 void AliAnalysisTaskPIDqa::UserExec(Option_t */*option*/)
175 // Setup the PID response functions and fill the QA histograms
178 AliVEvent *event=InputEvent();
179 if (!event||!fPIDResponse) return;
192 //______________________________________________________________________________
193 void AliAnalysisTaskPIDqa::FillITSqa()
196 // Fill PID qa histograms for the ITS
199 AliVEvent *event=InputEvent();
201 Int_t ntracks=event->GetNumberOfTracks();
202 for(Int_t itrack = 0; itrack < ntracks; itrack++){
203 AliVTrack *track=(AliVTrack*)event->GetTrack(itrack);
204 ULong_t status=track->GetStatus();
205 // not that nice. status bits not in virtual interface
206 // ITS refit + ITS pid selection
207 if (!( ( (status & AliVTrack::kITSrefit)==AliVTrack::kITSrefit ) ||
208 ! ( (status & AliVTrack::kITSpid )==AliVTrack::kITSpid ) )) continue;
209 Double_t mom=track->P();
211 TList *theList = 0x0;
212 if(( (status & AliVTrack::kTPCin)==AliVTrack::kTPCin )){
216 if(!( (status & AliVTrack::kITSpureSA)==AliVTrack::kITSpureSA )){
217 //ITS Standalone tracks
218 theList=fListQAitsSA;
220 //ITS Pure Standalone tracks
221 theList=fListQAitsPureSA;
226 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
227 TH2 *h=(TH2*)theList->At(ispecie);
229 Double_t nSigma=fPIDResponse->NumberOfSigmasITS(track, (AliPID::EParticleType)ispecie);
232 TH2 *h=(TH2*)theList->At(AliPID::kSPECIES);
234 Double_t sig=track->GetITSsignal();
240 //______________________________________________________________________________
241 void AliAnalysisTaskPIDqa::FillTPCqa()
244 // Fill PID qa histograms for the TPC
247 AliVEvent *event=InputEvent();
249 Int_t ntracks=event->GetNumberOfTracks();
250 for(Int_t itrack = 0; itrack < ntracks; itrack++){
251 AliVTrack *track=(AliVTrack*)event->GetTrack(itrack);
256 ULong_t status=track->GetStatus();
257 // not that nice. status bits not in virtual interface
258 // TPC refit + ITS refit + TPC pid
259 if (!( (status & AliVTrack::kTPCrefit) == AliVTrack::kTPCrefit) ||
260 !( (status & AliVTrack::kITSrefit) == AliVTrack::kITSrefit) ||
261 !( (status & AliVTrack::kTPCpid ) == AliVTrack::kTPCpid ) ) continue;
263 Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1);
264 Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
265 if (track->GetTPCNclsF()>0) {
266 ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC/track->GetTPCNclsF();
269 if ( nCrossedRowsTPC<70 || ratioCrossedRowsOverFindableClustersTPC<.8 ) continue;
271 Double_t mom=track->GetTPCmomentum();
273 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
274 TH2 *h=(TH2*)fListQAtpc->At(ispecie);
276 Double_t nSigma=fPIDResponse->NumberOfSigmasTPC(track, (AliPID::EParticleType)ispecie);
280 TH2 *h=(TH2*)fListQAtpc->At(AliPID::kSPECIES);
282 Double_t sig=track->GetTPCsignal();
288 //______________________________________________________________________________
289 void AliAnalysisTaskPIDqa::FillTRDqa()
292 // Fill PID qa histograms for the TRD
297 //______________________________________________________________________________
298 void AliAnalysisTaskPIDqa::FillTOFqa()
301 // Fill PID qa histograms for the TOF
304 AliVEvent *event=InputEvent();
307 Int_t ntracks=event->GetNumberOfTracks();
308 Int_t tracksAtTof = 0;
309 for(Int_t itrack = 0; itrack < ntracks; itrack++){
310 AliVTrack *track=(AliVTrack*)event->GetTrack(itrack);
315 ULong_t status=track->GetStatus();
316 // TPC refit + ITS refit +
317 // TOF out + TOFpid +
319 // (we don't use kTOFmismatch because it depends on TPC....)
320 if (!((status & AliVTrack::kTPCrefit) == AliVTrack::kTPCrefit) ||
321 !((status & AliVTrack::kITSrefit) == AliVTrack::kITSrefit) ||
322 !((status & AliVTrack::kTOFout ) == AliVTrack::kTOFout ) ||
323 !((status & AliVTrack::kTOFpid ) == AliVTrack::kTOFpid ) ||
324 !((status & AliVTrack::kTIME ) == AliVTrack::kTIME ) ) continue;
326 Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1);
327 Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
328 if (track->GetTPCNclsF()>0) {
329 ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC/track->GetTPCNclsF();
332 if ( nCrossedRowsTPC<70 || ratioCrossedRowsOverFindableClustersTPC<.8 ) continue;
336 Double_t mom=track->P();
338 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
339 TH2 *h=(TH2*)fListQAtof->At(ispecie);
341 Double_t nSigma=fPIDResponse->NumberOfSigmasTOF(track, (AliPID::EParticleType)ispecie);
345 TH2 *h=(TH2*)fListQAtof->FindObject("hSigP_TOF");
347 Double_t sig=track->GetTOFsignal();
351 Double_t mask = (Double_t)fPIDResponse->GetTOFResponse().GetStartTimeMask(mom) + 0.5;
352 ((TH1F*)fListQAtof->FindObject("hStartTimeMask_TOF"))->Fill(mask);
354 Double_t res = (Double_t)fPIDResponse->GetTOFResponse().GetStartTimeRes(mom);
355 ((TH1F*)fListQAtof->FindObject("hStartTimeRes_TOF"))->Fill(res);
357 AliESDEvent *esd = dynamic_cast<AliESDEvent *>(event);
359 Double_t startTime = esd->GetT0TOF(0);
360 if (startTime < 90000) ((TH1F*)fListQAtof->FindObject("hStartTimeAC_T0"))->Fill(startTime);
362 startTime = esd->GetT0TOF(1);
363 if (startTime < 90000) ((TH1F*)fListQAtof->FindObject("hStartTimeA_T0"))->Fill(startTime);
364 startTime = esd->GetT0TOF(2);
365 if (startTime < 90000) ((TH1F*)fListQAtof->FindObject("hStartTimeC_T0"))->Fill(startTime);
369 if (tracksAtTof > 0) {
370 ((TH1F* )fListQAtof->FindObject("hnTracksAt_TOF"))->Fill(tracksAtTof);
371 Int_t mask = fPIDResponse->GetTOFResponse().GetStartTimeMask(5.);
372 if (mask & 0x1) ((TH1F*)fListQAtof->FindObject("hT0MakerEff"))->Fill(tracksAtTof);
377 //______________________________________________________________________________
378 void AliAnalysisTaskPIDqa::FillEMCALqa()
381 // Fill PID qa histograms for the EMCAL
384 AliVEvent *event=InputEvent();
386 Int_t ntracks=event->GetNumberOfTracks();
387 for(Int_t itrack = 0; itrack < ntracks; itrack++){
388 AliVTrack *track=(AliVTrack*)event->GetTrack(itrack);
393 ULong_t status=track->GetStatus();
394 // not that nice. status bits not in virtual interface
395 // TPC refit + ITS refit +
396 // TOF out + TOFpid +
398 if (!( (status & AliVTrack::kEMCALmatch) == AliVTrack::kEMCALmatch) ) continue;
400 Double_t pt=track->Pt();
402 //EMCAL nSigma (only for electrons at the moment)
403 TH2 *h=(TH2*)fListQAemcal->At(0);
405 Double_t nSigma=fPIDResponse->NumberOfSigmasEMCAL(track, (AliPID::EParticleType)0);
408 //EMCAL signal (E/p vs. pT)
409 h=(TH2*)fListQAemcal->At(1);
412 Int_t nMatchClus = track->GetEMCALcluster();
413 Double_t mom = track->P();
418 AliVCluster *matchedClus = (AliVCluster*)event->GetCaloCluster(nMatchClus);
422 // matched cluster is EMCAL
423 if(matchedClus->IsEMCAL()){
425 Double_t fClsE = matchedClus->E();
434 Printf("status status = AliVTrack::kEMCALmatch, BUT no matched cluster!");
440 //______________________________________________________________________________
441 void AliAnalysisTaskPIDqa::FillTPCTOFqa()
444 // Fill PID qa histograms for the TOF
445 // Here also the TPC histograms after TOF selection are filled
448 AliVEvent *event=InputEvent();
450 Int_t ntracks=event->GetNumberOfTracks();
451 for(Int_t itrack = 0; itrack < ntracks; itrack++){
452 AliVTrack *track=(AliVTrack*)event->GetTrack(itrack);
457 ULong_t status=track->GetStatus();
458 // not that nice. status bits not in virtual interface
459 // TPC refit + ITS refit +
460 // TOF out + TOFpid +
462 if (!((status & AliVTrack::kTPCrefit) == AliVTrack::kTPCrefit) ||
463 !((status & AliVTrack::kITSrefit) == AliVTrack::kITSrefit) ||
464 !( (status & AliVTrack::kTPCpid ) == AliVTrack::kTPCpid ) ||
465 !((status & AliVTrack::kTOFout ) == AliVTrack::kTOFout ) ||
466 !((status & AliVTrack::kTOFpid ) == AliVTrack::kTOFpid ) ||
467 !((status & AliVTrack::kTIME ) == AliVTrack::kTIME ) ) continue;
469 Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1);
470 Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
471 if (track->GetTPCNclsF()>0) {
472 ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC/track->GetTPCNclsF();
475 if ( nCrossedRowsTPC<70 || ratioCrossedRowsOverFindableClustersTPC<.8 ) continue;
478 Double_t mom=track->P();
479 Double_t momTPC=track->GetTPCmomentum();
481 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
483 Double_t nSigmaTOF=fPIDResponse->NumberOfSigmasTOF(track, (AliPID::EParticleType)ispecie);
484 Double_t nSigmaTPC=fPIDResponse->NumberOfSigmasTPC(track, (AliPID::EParticleType)ispecie);
487 TH2 *h=(TH2*)fListQAtpctof->At(ispecie);
488 if (h && TMath::Abs(nSigmaTOF)<3.) h->Fill(momTPC,nSigmaTPC);
491 h=(TH2*)fListQAtpctof->At(ispecie+AliPID::kSPECIES);
492 if (h && TMath::Abs(nSigmaTPC)<3.) h->Fill(mom,nSigmaTOF);
494 //EMCAL after TOF and TPC cut
495 h=(TH2*)fListQAtpctof->At(ispecie+2*AliPID::kSPECIES);
496 if (h && TMath::Abs(nSigmaTOF)<3. && TMath::Abs(nSigmaTPC)<3. ){
498 Int_t nMatchClus = track->GetEMCALcluster();
499 Double_t pt = track->Pt();
504 AliVCluster *matchedClus = (AliVCluster*)event->GetCaloCluster(nMatchClus);
508 // matched cluster is EMCAL
509 if(matchedClus->IsEMCAL()){
511 Double_t fClsE = matchedClus->E();
525 //______________________________________________________________________________
526 void AliAnalysisTaskPIDqa::SetupITSqa()
529 // Create the ITS qa objects
532 TVectorD *vX=MakeLogBinning(200,.1,30);
535 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
536 TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_ITS_%s",AliPID::ParticleName(ispecie)),
537 Form("ITS n#sigma %s vs. p;p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
538 vX->GetNrows()-1,vX->GetMatrixArray(),
540 fListQAits->Add(hNsigmaP);
542 TH2F *hSig = new TH2F("hSigP_ITS",
543 "ITS signal vs. p;p [GeV]; ITS signal [arb. units]",
544 vX->GetNrows()-1,vX->GetMatrixArray(),
546 fListQAits->Add(hSig);
548 //ITS Standalone tracks
549 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
550 TH2F *hNsigmaPSA = new TH2F(Form("hNsigmaP_ITSSA_%s",AliPID::ParticleName(ispecie)),
551 Form("ITS n#sigma %s vs. p;p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
552 vX->GetNrows()-1,vX->GetMatrixArray(),
554 fListQAitsSA->Add(hNsigmaPSA);
556 TH2F *hSigSA = new TH2F("hSigP_ITSSA",
557 "ITS signal vs. p;p [GeV]; ITS signal [arb. units]",
558 vX->GetNrows()-1,vX->GetMatrixArray(),
560 fListQAitsSA->Add(hSigSA);
562 //ITS Pure Standalone tracks
563 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
564 TH2F *hNsigmaPPureSA = new TH2F(Form("hNsigmaP_ITSPureSA_%s",AliPID::ParticleName(ispecie)),
565 Form("ITS n#sigma %s vs. p;p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
566 vX->GetNrows()-1,vX->GetMatrixArray(),
568 fListQAitsPureSA->Add(hNsigmaPPureSA);
570 TH2F *hSigPureSA = new TH2F("hSigP_ITSPureSA",
571 "ITS signal vs. p;p [GeV]; ITS signal [arb. units]",
572 vX->GetNrows()-1,vX->GetMatrixArray(),
574 fListQAitsPureSA->Add(hSigPureSA);
579 //______________________________________________________________________________
580 void AliAnalysisTaskPIDqa::SetupTPCqa()
583 // Create the TPC qa objects
586 TVectorD *vX=MakeLogBinning(200,.1,30);
588 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
589 TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_TPC_%s",AliPID::ParticleName(ispecie)),
590 Form("TPC n#sigma %s vs. p;p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
591 vX->GetNrows()-1,vX->GetMatrixArray(),
593 fListQAtpc->Add(hNsigmaP);
597 TH2F *hSig = new TH2F("hSigP_TPC",
598 "TPC signal vs. p;p [GeV]; TPC signal [arb. units]",
599 vX->GetNrows()-1,vX->GetMatrixArray(),
601 fListQAtpc->Add(hSig);
606 //______________________________________________________________________________
607 void AliAnalysisTaskPIDqa::SetupTRDqa()
610 // Create the TRD qa objects
615 //______________________________________________________________________________
616 void AliAnalysisTaskPIDqa::SetupTOFqa()
619 // Create the TOF qa objects
622 TVectorD *vX=MakeLogBinning(200,.1,30);
624 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
625 TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_TOF_%s",AliPID::ParticleName(ispecie)),
626 Form("TOF n#sigma %s vs. p;p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
627 vX->GetNrows()-1,vX->GetMatrixArray(),
629 fListQAtof->Add(hNsigmaP);
630 // to be added: t-texp without StartTime subtraction
634 TH2F *hSig = new TH2F("hSigP_TOF",
635 "TOF signal vs. p;p [GeV]; TOF signal [arb. units]",
636 vX->GetNrows()-1,vX->GetMatrixArray(),
641 fListQAtof->Add(hSig);
643 TH1F *hStartTimeMask_TOF = new TH1F("hStartTimeMask_TOF","StartTime mask",8,0,8);
644 fListQAtof->Add(hStartTimeMask_TOF);
645 TH1F *hStartTimeRes_TOF = new TH1F("hStartTimeRes_TOF","StartTime resolution [ps]",100,0,500);
646 fListQAtof->Add(hStartTimeRes_TOF);
648 TH1F *hnTracksAt_TOF = new TH1F("hnTracksAt_TOF","Matched tracks at TOF",20,0,20);
649 fListQAtof->Add(hnTracksAt_TOF);
650 TH1F *hT0MakerEff = new TH1F("hT0MakerEff","Events with T0-TOF vs nTracks",20,0,20);
651 fListQAtof->Add(hT0MakerEff);
653 // this in principle should stay on a T0 PID QA, but are just the data prepared for TOF use
654 TH1F *hStartTimeA_T0 = new TH1F("hStartTimeA_T0","StartTime from T0A [ps]",1000,-1000,1000);
655 fListQAtof->Add(hStartTimeA_T0);
656 TH1F *hStartTimeC_T0 = new TH1F("hStartTimeC_T0","StartTime from T0C [ps]",1000,-1000,1000);
657 fListQAtof->Add(hStartTimeC_T0);
658 TH1F *hStartTimeAC_T0 = new TH1F("hStartTimeAC_T0","StartTime from T0AC [ps]",1000,-1000,1000);;
659 fListQAtof->Add(hStartTimeAC_T0);
662 //______________________________________________________________________________
663 void AliAnalysisTaskPIDqa::SetupEMCALqa()
666 // Create the EMCAL qa objects
669 TVectorD *vX=MakeLogBinning(200,.1,30);
671 TH2F *hNsigmaPt = new TH2F(Form("hNsigmaPt_EMCAL_%s",AliPID::ParticleName(0)),
672 Form("EMCAL n#sigma %s vs. p_{T};p_{T} [GeV]; n#sigma",AliPID::ParticleName(0)),
673 vX->GetNrows()-1,vX->GetMatrixArray(),
675 fListQAemcal->Add(hNsigmaPt);
677 TH2F *hSigPt = new TH2F("hSigPt_EMCAL",
678 "EMCAL signal (E/p) vs. p_{T};p_{T} [GeV]; EMCAL signal (E/p) [arb. units]",
679 vX->GetNrows()-1,vX->GetMatrixArray(),
681 fListQAemcal->Add(hSigPt);
686 //______________________________________________________________________________
687 void AliAnalysisTaskPIDqa::SetupTPCTOFqa()
690 // Create the qa objects for TPC + TOF combination
693 TVectorD *vX=MakeLogBinning(200,.1,30);
695 //TPC signals after TOF cut
696 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
697 TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_TPC_TOF_%s",AliPID::ParticleName(ispecie)),
698 Form("TPC n#sigma %s vs. p (after TOF 3#sigma cut);p_{TPC} [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
699 vX->GetNrows()-1,vX->GetMatrixArray(),
701 fListQAtpctof->Add(hNsigmaP);
704 //TOF signals after TPC cut
705 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
706 TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_TOF_TPC_%s",AliPID::ParticleName(ispecie)),
707 Form("TOF n#sigma %s vs. p (after TPC n#sigma cut);p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
708 vX->GetNrows()-1,vX->GetMatrixArray(),
710 fListQAtpctof->Add(hNsigmaP);
713 //EMCAL signal after TOF and TPC cut
714 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
715 TH2F *heopPt = new TH2F(Form("heopPt_TOF_TPC_%s",AliPID::ParticleName(ispecie)),
716 Form("EMCAL signal (E/p) %s vs. p_{T};p_{T} [GeV]; EMCAL signal (E/p) [arb. units]",AliPID::ParticleName(ispecie)),
717 vX->GetNrows()-1,vX->GetMatrixArray(),
719 fListQAtpctof->Add(heopPt);
725 //______________________________________________________________________________
726 TVectorD* AliAnalysisTaskPIDqa::MakeLogBinning(Int_t nbinsX, Double_t xmin, Double_t xmax)
729 // Make logarithmic binning
730 // the user has to delete the array afterwards!!!
734 if (xmin<1e-20 || xmax<1e-20){
735 AliError("For Log binning xmin and xmax must be > 1e-20. Using linear binning instead!");
736 return MakeLinBinning(nbinsX, xmin, xmax);
743 TVectorD *binLim=new TVectorD(nbinsX+1);
746 Double_t expMax=TMath::Log(last/first);
747 for (Int_t i=0; i<nbinsX+1; ++i){
748 (*binLim)[i]=first*TMath::Exp(expMax/nbinsX*(Double_t)i);
753 //______________________________________________________________________________
754 TVectorD* AliAnalysisTaskPIDqa::MakeLinBinning(Int_t nbinsX, Double_t xmin, Double_t xmax)
757 // Make linear binning
758 // the user has to delete the array afterwards!!!
765 TVectorD *binLim=new TVectorD(nbinsX+1);
768 Double_t binWidth=(last-first)/nbinsX;
769 for (Int_t i=0; i<nbinsX+1; ++i){
770 (*binLim)[i]=first+binWidth*(Double_t)i;
775 //_____________________________________________________________________________
776 TVectorD* AliAnalysisTaskPIDqa::MakeArbitraryBinning(const char* bins)
779 // Make arbitrary binning, bins separated by a ','
781 TString limits(bins);
782 if (limits.IsNull()){
783 AliError("Bin Limit string is empty, cannot add the variable");
787 TObjArray *arr=limits.Tokenize(",");
788 Int_t nLimits=arr->GetEntries();
790 AliError("Need at leas 2 bin limits, cannot add the variable");
795 TVectorD *binLimits=new TVectorD(nLimits);
796 for (Int_t iLim=0; iLim<nLimits; ++iLim){
797 (*binLimits)[iLim]=(static_cast<TObjString*>(arr->At(iLim)))->GetString().Atof();