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_SA");
127 fListQAitsPureSA=new TList;
128 fListQAitsPureSA->SetOwner();
129 fListQAitsPureSA->SetName("ITS_PureSA");
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
294 AliVEvent *event=InputEvent();
295 Int_t ntracks = event->GetNumberOfTracks();
296 for(Int_t itrack = 0; itrack < ntracks; itrack++){
297 AliVTrack *track = (AliVTrack *)event->GetTrack(itrack);
302 ULong_t status=track->GetStatus();
303 // not that nice. status bits not in virtual interface
304 // TPC refit + ITS refit + TPC pid + TRD out
305 if (!( (status & AliVTrack::kTPCrefit) == AliVTrack::kTPCrefit) ||
306 !( (status & AliVTrack::kITSrefit) == AliVTrack::kITSrefit) ||
307 !( (status & AliVTrack::kTPCpid ) == AliVTrack::kTPCpid ) ||
308 !( (status & AliVTrack::kTRDout ) == AliVTrack::kTRDout )) continue;
310 Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1);
311 Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
312 if (track->GetTPCNclsF()>0) {
313 ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC/track->GetTPCNclsF();
316 if ( nCrossedRowsTPC<70 || ratioCrossedRowsOverFindableClustersTPC<.8 ) continue;
318 Double_t likelihoods[AliPID::kSPECIES];
319 if(fPIDResponse->ComputeTRDProbability(track, AliPID::kSPECIES, likelihoods) != AliPIDResponse::kDetPidOk) continue;
320 Int_t ntracklets = 0;
321 Double_t momentum = -1.;
322 for(Int_t itl = 0; itl < 6; itl++)
323 if(track->GetTRDmomentum(itl) > 0.){
325 if(momentum < 0) momentum = track->GetTRDmomentum(itl);
327 for(Int_t ispecie = 0; ispecie < AliPID::kSPECIES; ispecie++){
328 TH2F *hLike = (TH2F *)fListQAtrd->At(ntracklets*AliPID::kSPECIES+ispecie);
329 if (hLike) hLike->Fill(momentum,likelihoods[ispecie]);
334 //______________________________________________________________________________
335 void AliAnalysisTaskPIDqa::FillTOFqa()
338 // Fill PID qa histograms for the TOF
341 AliVEvent *event=InputEvent();
344 Int_t ntracks=event->GetNumberOfTracks();
345 Int_t tracksAtTof = 0;
346 for(Int_t itrack = 0; itrack < ntracks; itrack++){
347 AliVTrack *track=(AliVTrack*)event->GetTrack(itrack);
352 ULong_t status=track->GetStatus();
353 // TPC refit + ITS refit +
354 // TOF out + TOFpid +
356 // (we don't use kTOFmismatch because it depends on TPC....)
357 if (!((status & AliVTrack::kTPCrefit) == AliVTrack::kTPCrefit) ||
358 !((status & AliVTrack::kITSrefit) == AliVTrack::kITSrefit) ||
359 !((status & AliVTrack::kTOFout ) == AliVTrack::kTOFout ) ||
360 !((status & AliVTrack::kTOFpid ) == AliVTrack::kTOFpid ) ||
361 !((status & AliVTrack::kTIME ) == AliVTrack::kTIME ) ) continue;
363 Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1);
364 Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
365 if (track->GetTPCNclsF()>0) {
366 ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC/track->GetTPCNclsF();
369 if ( nCrossedRowsTPC<70 || ratioCrossedRowsOverFindableClustersTPC<.8 ) continue;
373 Double_t mom=track->P();
375 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
376 TH2 *h=(TH2*)fListQAtof->At(ispecie);
378 Double_t nSigma=fPIDResponse->NumberOfSigmasTOF(track, (AliPID::EParticleType)ispecie);
382 TH2 *h=(TH2*)fListQAtof->FindObject("hSigP_TOF");
384 Double_t sig=track->GetTOFsignal();
388 Double_t mask = (Double_t)fPIDResponse->GetTOFResponse().GetStartTimeMask(mom) + 0.5;
389 ((TH1F*)fListQAtof->FindObject("hStartTimeMask_TOF"))->Fill(mask);
391 Double_t res = (Double_t)fPIDResponse->GetTOFResponse().GetStartTimeRes(mom);
392 ((TH1F*)fListQAtof->FindObject("hStartTimeRes_TOF"))->Fill(res);
394 AliESDEvent *esd = dynamic_cast<AliESDEvent *>(event);
396 Double_t startTime = esd->GetT0TOF(0);
397 if (startTime < 90000) ((TH1F*)fListQAtof->FindObject("hStartTimeAC_T0"))->Fill(startTime);
399 startTime = esd->GetT0TOF(1);
400 if (startTime < 90000) ((TH1F*)fListQAtof->FindObject("hStartTimeA_T0"))->Fill(startTime);
401 startTime = esd->GetT0TOF(2);
402 if (startTime < 90000) ((TH1F*)fListQAtof->FindObject("hStartTimeC_T0"))->Fill(startTime);
406 if (tracksAtTof > 0) {
407 ((TH1F* )fListQAtof->FindObject("hnTracksAt_TOF"))->Fill(tracksAtTof);
408 Int_t mask = fPIDResponse->GetTOFResponse().GetStartTimeMask(5.);
409 if (mask & 0x1) ((TH1F*)fListQAtof->FindObject("hT0MakerEff"))->Fill(tracksAtTof);
414 //______________________________________________________________________________
415 void AliAnalysisTaskPIDqa::FillEMCALqa()
418 // Fill PID qa histograms for the EMCAL
421 AliVEvent *event=InputEvent();
423 Int_t ntracks=event->GetNumberOfTracks();
424 for(Int_t itrack = 0; itrack < ntracks; itrack++){
425 AliVTrack *track=(AliVTrack*)event->GetTrack(itrack);
430 ULong_t status=track->GetStatus();
431 // not that nice. status bits not in virtual interface
432 // TPC refit + ITS refit +
433 // TOF out + TOFpid +
435 if (!( (status & AliVTrack::kEMCALmatch) == AliVTrack::kEMCALmatch) ) continue;
437 Double_t pt=track->Pt();
439 //EMCAL nSigma (only for electrons at the moment)
440 TH2 *h=(TH2*)fListQAemcal->At(0);
442 Double_t nSigma=fPIDResponse->NumberOfSigmasEMCAL(track, (AliPID::EParticleType)0);
445 //EMCAL signal (E/p vs. pT)
446 h=(TH2*)fListQAemcal->At(1);
449 Int_t nMatchClus = track->GetEMCALcluster();
450 Double_t mom = track->P();
455 AliVCluster *matchedClus = (AliVCluster*)event->GetCaloCluster(nMatchClus);
459 // matched cluster is EMCAL
460 if(matchedClus->IsEMCAL()){
462 Double_t fClsE = matchedClus->E();
471 Printf("status status = AliVTrack::kEMCALmatch, BUT no matched cluster!");
477 //______________________________________________________________________________
478 void AliAnalysisTaskPIDqa::FillTPCTOFqa()
481 // Fill PID qa histograms for the TOF
482 // Here also the TPC histograms after TOF selection are filled
485 AliVEvent *event=InputEvent();
487 Int_t ntracks=event->GetNumberOfTracks();
488 for(Int_t itrack = 0; itrack < ntracks; itrack++){
489 AliVTrack *track=(AliVTrack*)event->GetTrack(itrack);
494 ULong_t status=track->GetStatus();
495 // not that nice. status bits not in virtual interface
496 // TPC refit + ITS refit +
497 // TOF out + TOFpid +
499 if (!((status & AliVTrack::kTPCrefit) == AliVTrack::kTPCrefit) ||
500 !((status & AliVTrack::kITSrefit) == AliVTrack::kITSrefit) ||
501 !( (status & AliVTrack::kTPCpid ) == AliVTrack::kTPCpid ) ||
502 !((status & AliVTrack::kTOFout ) == AliVTrack::kTOFout ) ||
503 !((status & AliVTrack::kTOFpid ) == AliVTrack::kTOFpid ) ||
504 !((status & AliVTrack::kTIME ) == AliVTrack::kTIME ) ) continue;
506 Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1);
507 Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
508 if (track->GetTPCNclsF()>0) {
509 ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC/track->GetTPCNclsF();
512 if ( nCrossedRowsTPC<70 || ratioCrossedRowsOverFindableClustersTPC<.8 ) continue;
515 Double_t mom=track->P();
516 Double_t momTPC=track->GetTPCmomentum();
518 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
520 Double_t nSigmaTOF=fPIDResponse->NumberOfSigmasTOF(track, (AliPID::EParticleType)ispecie);
521 Double_t nSigmaTPC=fPIDResponse->NumberOfSigmasTPC(track, (AliPID::EParticleType)ispecie);
524 TH2 *h=(TH2*)fListQAtpctof->At(ispecie);
525 if (h && TMath::Abs(nSigmaTOF)<3.) h->Fill(momTPC,nSigmaTPC);
528 h=(TH2*)fListQAtpctof->At(ispecie+AliPID::kSPECIES);
529 if (h && TMath::Abs(nSigmaTPC)<3.) h->Fill(mom,nSigmaTOF);
531 //EMCAL after TOF and TPC cut
532 h=(TH2*)fListQAtpctof->At(ispecie+2*AliPID::kSPECIES);
533 if (h && TMath::Abs(nSigmaTOF)<3. && TMath::Abs(nSigmaTPC)<3. ){
535 Int_t nMatchClus = track->GetEMCALcluster();
536 Double_t pt = track->Pt();
541 AliVCluster *matchedClus = (AliVCluster*)event->GetCaloCluster(nMatchClus);
545 // matched cluster is EMCAL
546 if(matchedClus->IsEMCAL()){
548 Double_t fClsE = matchedClus->E();
562 //______________________________________________________________________________
563 void AliAnalysisTaskPIDqa::SetupITSqa()
566 // Create the ITS qa objects
569 TVectorD *vX=MakeLogBinning(200,.1,30);
572 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
573 TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_ITS_%s",AliPID::ParticleName(ispecie)),
574 Form("ITS n#sigma %s vs. p;p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
575 vX->GetNrows()-1,vX->GetMatrixArray(),
577 fListQAits->Add(hNsigmaP);
579 TH2F *hSig = new TH2F("hSigP_ITS",
580 "ITS signal vs. p;p [GeV]; ITS signal [arb. units]",
581 vX->GetNrows()-1,vX->GetMatrixArray(),
583 fListQAits->Add(hSig);
585 //ITS Standalone tracks
586 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
587 TH2F *hNsigmaPSA = new TH2F(Form("hNsigmaP_ITSSA_%s",AliPID::ParticleName(ispecie)),
588 Form("ITS n#sigma %s vs. p;p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
589 vX->GetNrows()-1,vX->GetMatrixArray(),
591 fListQAitsSA->Add(hNsigmaPSA);
593 TH2F *hSigSA = new TH2F("hSigP_ITSSA",
594 "ITS signal vs. p;p [GeV]; ITS signal [arb. units]",
595 vX->GetNrows()-1,vX->GetMatrixArray(),
597 fListQAitsSA->Add(hSigSA);
599 //ITS Pure Standalone tracks
600 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
601 TH2F *hNsigmaPPureSA = new TH2F(Form("hNsigmaP_ITSPureSA_%s",AliPID::ParticleName(ispecie)),
602 Form("ITS n#sigma %s vs. p;p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
603 vX->GetNrows()-1,vX->GetMatrixArray(),
605 fListQAitsPureSA->Add(hNsigmaPPureSA);
607 TH2F *hSigPureSA = new TH2F("hSigP_ITSPureSA",
608 "ITS signal vs. p;p [GeV]; ITS signal [arb. units]",
609 vX->GetNrows()-1,vX->GetMatrixArray(),
611 fListQAitsPureSA->Add(hSigPureSA);
616 //______________________________________________________________________________
617 void AliAnalysisTaskPIDqa::SetupTPCqa()
620 // Create the TPC qa objects
623 TVectorD *vX=MakeLogBinning(200,.1,30);
625 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
626 TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_TPC_%s",AliPID::ParticleName(ispecie)),
627 Form("TPC n#sigma %s vs. p;p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
628 vX->GetNrows()-1,vX->GetMatrixArray(),
630 fListQAtpc->Add(hNsigmaP);
634 TH2F *hSig = new TH2F("hSigP_TPC",
635 "TPC signal vs. p;p [GeV]; TPC signal [arb. units]",
636 vX->GetNrows()-1,vX->GetMatrixArray(),
638 fListQAtpc->Add(hSig);
643 //______________________________________________________________________________
644 void AliAnalysisTaskPIDqa::SetupTRDqa()
647 // Create the TRD qa objects
649 TVectorD *vX=MakeLogBinning(200,.1,30);
650 for(Int_t itl = 0; itl < 6; ++itl){
651 for(Int_t ispecie = 0; ispecie < AliPID::kSPECIES; ispecie++){
652 TH2F *hLikeP = new TH2F(Form("hLikeP_TRD_%dtls_%s", itl, AliPID::ParticleName(ispecie)),
653 Form("TRD Likelihood to be %s %s for tracks having %d %s; p (GeV/c); TRD %s Likelihood", ispecie == 0 ? "an" : "a", AliPID::ParticleName(ispecie), itl+1, itl == 0 ? "tracklet" : "tracklets", AliPID::ParticleName(ispecie)),
654 vX->GetNrows()-1, vX->GetMatrixArray(),
656 fListQAtrd->Add(hLikeP);
662 //______________________________________________________________________________
663 void AliAnalysisTaskPIDqa::SetupTOFqa()
666 // Create the TOF qa objects
669 TVectorD *vX=MakeLogBinning(200,.1,30);
671 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
672 TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_TOF_%s",AliPID::ParticleName(ispecie)),
673 Form("TOF n#sigma %s vs. p;p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
674 vX->GetNrows()-1,vX->GetMatrixArray(),
676 fListQAtof->Add(hNsigmaP);
677 // to be added: t-texp without StartTime subtraction
681 TH2F *hSig = new TH2F("hSigP_TOF",
682 "TOF signal vs. p;p [GeV]; TOF signal [arb. units]",
683 vX->GetNrows()-1,vX->GetMatrixArray(),
688 fListQAtof->Add(hSig);
690 TH1F *hStartTimeMaskTOF = new TH1F("hStartTimeMask_TOF","StartTime mask",8,0,8);
691 fListQAtof->Add(hStartTimeMaskTOF);
692 TH1F *hStartTimeResTOF = new TH1F("hStartTimeRes_TOF","StartTime resolution [ps]",100,0,500);
693 fListQAtof->Add(hStartTimeResTOF);
695 TH1F *hnTracksAtTOF = new TH1F("hnTracksAt_TOF","Matched tracks at TOF",20,0,20);
696 fListQAtof->Add(hnTracksAtTOF);
697 TH1F *hT0MakerEff = new TH1F("hT0MakerEff","Events with T0-TOF vs nTracks",20,0,20);
698 fListQAtof->Add(hT0MakerEff);
700 // this in principle should stay on a T0 PID QA, but are just the data prepared for TOF use
701 TH1F *hStartTimeAT0 = new TH1F("hStartTimeA_T0","StartTime from T0A [ps]",1000,-1000,1000);
702 fListQAtof->Add(hStartTimeAT0);
703 TH1F *hStartTimeCT0 = new TH1F("hStartTimeC_T0","StartTime from T0C [ps]",1000,-1000,1000);
704 fListQAtof->Add(hStartTimeCT0);
705 TH1F *hStartTimeACT0 = new TH1F("hStartTimeAC_T0","StartTime from T0AC [ps]",1000,-1000,1000);;
706 fListQAtof->Add(hStartTimeACT0);
709 //______________________________________________________________________________
710 void AliAnalysisTaskPIDqa::SetupEMCALqa()
713 // Create the EMCAL qa objects
716 TVectorD *vX=MakeLogBinning(200,.1,30);
718 TH2F *hNsigmaPt = new TH2F(Form("hNsigmaPt_EMCAL_%s",AliPID::ParticleName(0)),
719 Form("EMCAL n#sigma %s vs. p_{T};p_{T} [GeV]; n#sigma",AliPID::ParticleName(0)),
720 vX->GetNrows()-1,vX->GetMatrixArray(),
722 fListQAemcal->Add(hNsigmaPt);
724 TH2F *hSigPt = new TH2F("hSigPt_EMCAL",
725 "EMCAL signal (E/p) vs. p_{T};p_{T} [GeV]; EMCAL signal (E/p) [arb. units]",
726 vX->GetNrows()-1,vX->GetMatrixArray(),
728 fListQAemcal->Add(hSigPt);
733 //______________________________________________________________________________
734 void AliAnalysisTaskPIDqa::SetupTPCTOFqa()
737 // Create the qa objects for TPC + TOF combination
740 TVectorD *vX=MakeLogBinning(200,.1,30);
742 //TPC signals after TOF cut
743 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
744 TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_TPC_TOF_%s",AliPID::ParticleName(ispecie)),
745 Form("TPC n#sigma %s vs. p (after TOF 3#sigma cut);p_{TPC} [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
746 vX->GetNrows()-1,vX->GetMatrixArray(),
748 fListQAtpctof->Add(hNsigmaP);
751 //TOF signals after TPC cut
752 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
753 TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_TOF_TPC_%s",AliPID::ParticleName(ispecie)),
754 Form("TOF n#sigma %s vs. p (after TPC n#sigma cut);p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
755 vX->GetNrows()-1,vX->GetMatrixArray(),
757 fListQAtpctof->Add(hNsigmaP);
760 //EMCAL signal after TOF and TPC cut
761 for (Int_t ispecie=0; ispecie<AliPID::kSPECIES; ++ispecie){
762 TH2F *heopPt = new TH2F(Form("heopPt_TOF_TPC_%s",AliPID::ParticleName(ispecie)),
763 Form("EMCAL signal (E/p) %s vs. p_{T};p_{T} [GeV]; EMCAL signal (E/p) [arb. units]",AliPID::ParticleName(ispecie)),
764 vX->GetNrows()-1,vX->GetMatrixArray(),
766 fListQAtpctof->Add(heopPt);
772 //______________________________________________________________________________
773 TVectorD* AliAnalysisTaskPIDqa::MakeLogBinning(Int_t nbinsX, Double_t xmin, Double_t xmax)
776 // Make logarithmic binning
777 // the user has to delete the array afterwards!!!
781 if (xmin<1e-20 || xmax<1e-20){
782 AliError("For Log binning xmin and xmax must be > 1e-20. Using linear binning instead!");
783 return MakeLinBinning(nbinsX, xmin, xmax);
790 TVectorD *binLim=new TVectorD(nbinsX+1);
793 Double_t expMax=TMath::Log(last/first);
794 for (Int_t i=0; i<nbinsX+1; ++i){
795 (*binLim)[i]=first*TMath::Exp(expMax/nbinsX*(Double_t)i);
800 //______________________________________________________________________________
801 TVectorD* AliAnalysisTaskPIDqa::MakeLinBinning(Int_t nbinsX, Double_t xmin, Double_t xmax)
804 // Make linear binning
805 // the user has to delete the array afterwards!!!
812 TVectorD *binLim=new TVectorD(nbinsX+1);
815 Double_t binWidth=(last-first)/nbinsX;
816 for (Int_t i=0; i<nbinsX+1; ++i){
817 (*binLim)[i]=first+binWidth*(Double_t)i;
822 //_____________________________________________________________________________
823 TVectorD* AliAnalysisTaskPIDqa::MakeArbitraryBinning(const char* bins)
826 // Make arbitrary binning, bins separated by a ','
828 TString limits(bins);
829 if (limits.IsNull()){
830 AliError("Bin Limit string is empty, cannot add the variable");
834 TObjArray *arr=limits.Tokenize(",");
835 Int_t nLimits=arr->GetEntries();
837 AliError("Need at leas 2 bin limits, cannot add the variable");
842 TVectorD *binLimits=new TVectorD(nLimits);
843 for (Int_t iLim=0; iLim<nLimits; ++iLim){
844 (*binLimits)[iLim]=(static_cast<TObjString*>(arr->At(iLim)))->GetString().Atof();