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4 * Author: ALICE Offline. *
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14 **************************************************************************/
16 //=========================================================================//
17 // AliEbyE Analysis for Particle Ratio Fluctuation //
18 // Deepika Rathee | Satyajit Jena //
19 // drathee@cern.ch | sjena@cern.ch //
20 // Date: Wed Jul 9 18:38:30 CEST 2014 //
21 // New approch to find particle ratio to reduce memory //
23 //=========================================================================//
32 #include "AliMCEvent.h"
33 #include "AliMCParticle.h"
34 #include "AliESDtrackCuts.h"
35 #include "AliESDInputHandler.h"
36 #include "AliESDpid.h"
37 #include "AliAODInputHandler.h"
38 #include "AliAODEvent.h"
39 #include "AliAODMCParticle.h"
40 #include "AliCentrality.h"
41 #include "AliTracker.h"
43 #include "AliEbyEPidRatioHelper.h"
48 ClassImp(AliEbyEPidRatioHelper)
49 //________________________________________________________________________
50 AliEbyEPidRatioHelper::AliEbyEPidRatioHelper() :
53 fInputEventHandler(NULL),
58 fAODtrackCutBit(1024),
64 fCentralityPercentile(-1.),
66 fCentralityBinMax(11),
70 fPhiMax(TMath::TwoPi()),
71 fMinTrackLengthMC(70.),
80 fMinPtForTOFRequired(0.69),
81 fMaxPtForTPClow(0.69),
90 fHCentralityStat(NULL),
91 fHCentralityPer(NULL),
92 fHCentralityPerAll(NULL),
100 fIsPtBin(kFALSE), fIsDetectorWise(kFALSE) {
103 AliLog::SetClassDebugLevel("AliEbyEPidRatioHelper",10);
106 const Float_t AliEbyEPidRatioHelper::fgkfHistBinWitdthRap = 0.1;
107 const Float_t AliEbyEPidRatioHelper::fgkfHistBinWitdthPt = 0.3; // 0.08 // 300 MeV // was 80 MeV
109 const Float_t AliEbyEPidRatioHelper::fgkfHistRangeCent[] = {-0.5, 10.5};
110 const Int_t AliEbyEPidRatioHelper::fgkfHistNBinsCent = 11 ;
112 const Float_t AliEbyEPidRatioHelper::fgkfHistRangeEta[] = {-0.9, 0.9};
113 const Int_t AliEbyEPidRatioHelper::fgkfHistNBinsEta = Int_t((AliEbyEPidRatioHelper::fgkfHistRangeEta[1] -
114 AliEbyEPidRatioHelper::fgkfHistRangeEta[0]) /
115 AliEbyEPidRatioHelper::fgkfHistBinWitdthRap) +1;
117 const Float_t AliEbyEPidRatioHelper::fgkfHistRangeRap[] = {-0.8, 0.8};
118 const Int_t AliEbyEPidRatioHelper::fgkfHistNBinsRap = Int_t((AliEbyEPidRatioHelper::fgkfHistRangeRap[1] - AliEbyEPidRatioHelper::fgkfHistRangeRap[0]) / AliEbyEPidRatioHelper::fgkfHistBinWitdthRap) +1;
120 const Float_t AliEbyEPidRatioHelper::fgkfHistRangePhi[] = {0.0, TMath::TwoPi()};
121 const Int_t AliEbyEPidRatioHelper::fgkfHistNBinsPhi = 21 ;
123 const Float_t AliEbyEPidRatioHelper::fgkfHistRangePt[] = {0.2, 2.9}; // {0.2, 5.}; // was {0.3, 2.22}
124 const Int_t AliEbyEPidRatioHelper::fgkfHistNBinsPt = Int_t((AliEbyEPidRatioHelper::fgkfHistRangePt[1] - AliEbyEPidRatioHelper::fgkfHistRangePt[0]) / AliEbyEPidRatioHelper::fgkfHistBinWitdthPt);
126 const Float_t AliEbyEPidRatioHelper::fgkfHistRangeSign[] = {-1.5, 1.5};
127 const Int_t AliEbyEPidRatioHelper::fgkfHistNBinsSign = 3;
129 const Char_t* AliEbyEPidRatioHelper::fgkEventNames[] = {"All", "IsTriggered", "HasVertex", "Vz<Vz_{Max}", "Centrality [0,100]%"};
130 const Char_t* AliEbyEPidRatioHelper::fgkCentralityMaxNames[] = {"5", "10", "20", "30", "40", "50", "60", "70", "80", "90", "100"};
131 const Char_t* AliEbyEPidRatioHelper::fgkTriggerNames[] = {"kMB", "kCentral", "kSemiCentral", "kEMCEJE", "kEMCEGA" };
132 const Char_t* AliEbyEPidRatioHelper::fgkCentralityNames[] = {"0-5%", "5-10%", "10-20%", "20-30%", "30-40%", "40-50%","50-60%", "60-70%", "70-80%", "80-90%", "90-100%"};
134 const Char_t* AliEbyEPidRatioHelper::fgkPidName[4] = {"Nch","Npi","Nka","Npr"};
135 const Char_t* AliEbyEPidRatioHelper::fgkPidLatex[4][2] = {{"N_{-}","N_{+}"}, {"N_{#pi^{-}}","N_{#pi^{+}}"},{"N_{K^{-}}","N_{K^{+}}"}, {"N_{#bar{p}}","N_{p}"}};
136 const Char_t* AliEbyEPidRatioHelper::fgkPidTitles[4][2] = {{"Negative","Positive"},{"Anti-Pions","Pions"},{"Anti-Kaons","Kaons"}, {"Anti-Protons","Protons"}};
140 //________________________________________________________________________
141 AliEbyEPidRatioHelper::~AliEbyEPidRatioHelper() {
150 //________________________________________________________________________
151 void AliEbyEPidRatioHelper::SetPhiRange(Float_t f1, Float_t f2) {
152 // -- Set phi range and adopt to phi-histogram
155 fPhiMax = (f1 < f2) ? f2 : f2+TMath::TwoPi();
157 Float_t phiMin = fPhiMin;
158 Float_t phiMax = fPhiMax;
161 Float_t binWidth = (AliEbyEPidRatioHelper::fgkfHistRangePhi[1] - AliEbyEPidRatioHelper::fgkfHistRangePhi[0]) /
162 Float_t(AliEbyEPidRatioHelper::fgkfHistNBinsPhi);
164 Float_t lowEdge = AliEbyEPidRatioHelper::fgkfHistRangePhi[0] - binWidth;
165 Float_t highEdge = AliEbyEPidRatioHelper::fgkfHistRangePhi[0];
167 for (Int_t ii = 1; ii <= AliEbyEPidRatioHelper::fgkfHistNBinsPhi; ++ii) {
169 highEdge += binWidth;
171 if (phiMin >= lowEdge && phiMin < highEdge )
173 if (phiMax > lowEdge && phiMax <= highEdge )
177 printf(">>>> Update Phi Range : [%f,%f] -> [%f,%f]\n", fPhiMin, fPhiMax, phiMin, phiMax);
184 //________________________________________________________________________
185 Int_t AliEbyEPidRatioHelper::Initialize(AliESDtrackCuts *cuts, Bool_t isMC, Bool_t isRatio, Bool_t isPtBin, Bool_t isDetWise, Int_t trackCutBit, Int_t modeDistCreation) {
186 // -- Initialize helper
191 fESDTrackCuts = cuts;
198 fIsDetectorWise = isDetWise;
202 // -- AOD track filter bit
203 fAODtrackCutBit = trackCutBit;
205 // -- mode Distribution creation
206 fModeDistCreation = modeDistCreation;
208 // -- Setup event cut statistics
209 InitializeEventStats();
211 // -- Setup trigger statistics
212 InitializeTriggerStats();
214 // -- Setup centrality statistics
215 InitializeCentralityStats();
217 // -- PRINT PID Strategy
218 // 0 : TPC(TPClow+TPCHigh)
221 // 3 : ITS+TPC(TPClow+TPCHigh)
222 // 4 : TPC(TPClow+TPCHigh)+TOF
223 // 5 : TPC(TPClow+TPCHigh)+TOF for pT >= fMinPtForTOFRequired TOF is required, below, only used if there
224 // 6 : TPC(TPClow+TPCHigh)+ITS+TOF with TOF only for those tracks which have TOF information
225 // 7 : TPC(TPClow+TPCHigh)+ITS+TOF for pT >= fMinPtForTOFRequired TOF is required, below, only used if there
226 // 8 : TPC(TPClow+TPCHigh)+ITS+TOF
227 printf(">>>> PID STRATEGY: %d || sigmaMax: ITS %.2f TPC %.2f TOF %.2f \n", fPIDStrategy, fNSigmaMaxITS, fNSigmaMaxTPC, fNSigmaMaxTOF);
229 // -- Initialize random number generator
230 fRandom = new TRandom3();
236 //________________________________________________________________________
237 Int_t AliEbyEPidRatioHelper::SetupEvent(AliESDInputHandler *esdHandler, AliAODInputHandler *aodHandler, AliMCEvent *mcEvent) {
240 // -- Get ESD objects
242 fInputEventHandler = static_cast<AliInputEventHandler*>(esdHandler);
243 fESD = dynamic_cast<AliESDEvent*>(fInputEventHandler->GetEvent());
245 AliError("ESD event handler not available");
250 // -- Get AOD objects
252 fInputEventHandler = static_cast<AliInputEventHandler*>(aodHandler);
253 fAOD = dynamic_cast<AliAODEvent*>(fInputEventHandler->GetEvent());
255 AliError("AOD event handler not available");
260 // -- Get Common objects
261 fPIDResponse = fInputEventHandler->GetPIDResponse();
266 fStack = fMCEvent->Stack();
268 // -- Get event centrality
269 // > 0-5|5-10|10-20|20-30|30-40|40-50|50-60|60-70|70-80|80-90|90-100 --> 11 bins
270 // > 0 1 2 3 4 5 6 7 8 9 10
272 AliCentrality *centrality = NULL;
275 centrality = fESD->GetCentrality();
277 centrality = fAOD->GetHeader()->GetCentralityP();
280 AliError("Centrality not available");
285 // Int_t a = centrality->GetCentralityClass5("V0M");
286 // if (a < 0 || a >= 20 ) fCentralityBin = -2;
287 // else if (a <= 1) fCentralityBin = a;
288 // else fCentralityBin = 1 + centrality->GetCentralityClass10("V0M");
292 Int_t centBin = centrality->GetCentralityClass10("V0M");
293 if (centBin == 0) { fCentralityBin = centrality->GetCentralityClass5("V0M"); }
294 else if (centBin == 11 || centBin == -1.) { fCentralityBin = -1; }
295 else if (centBin > 0 && centBin < fNCentralityBins) { fCentralityBin = centBin + 1; }
296 else { fCentralityBin = -2; }
299 if (fCentralityBin >= fCentralityBinMax)
304 fCentralityPercentile = centrality->GetCentralityPercentile("V0M");
306 fSubSampleIdx = fRandom->Integer(fSubSamples);
310 //________________________________________________________________________
311 Bool_t AliEbyEPidRatioHelper::IsEventTriggered() {
312 // -- Check if Event is triggered and fill Trigger Histogram
314 Bool_t *aTriggerFired = new Bool_t[fNTriggers];
315 for (Int_t ii = 0; ii < fNTriggers; ++ii)
316 aTriggerFired[ii] = kFALSE;
318 if ((fInputEventHandler->IsEventSelected() & AliVEvent::kMB)) aTriggerFired[0] = kTRUE;
319 if ((fInputEventHandler->IsEventSelected() & AliVEvent::kCentral)) aTriggerFired[1] = kTRUE;
320 if ((fInputEventHandler->IsEventSelected() & AliVEvent::kSemiCentral)) aTriggerFired[2] = kTRUE;
321 if ((fInputEventHandler->IsEventSelected() & AliVEvent::kEMCEJE)) aTriggerFired[3] = kTRUE;
322 if ((fInputEventHandler->IsEventSelected() & AliVEvent::kEMCEGA)) aTriggerFired[4] = kTRUE;
324 Bool_t isTriggered = kFALSE;
326 for (Int_t ii=0; ii<fNTriggers; ++ii) {
327 if(aTriggerFired[ii]) {
329 fHTriggerStat->Fill(ii);
333 delete[] aTriggerFired;
338 //________________________________________________________________________
339 Bool_t AliEbyEPidRatioHelper::IsEventRejected() {
340 // -- Evaluate event statistics histograms
342 Int_t *aEventCuts = new Int_t[fHEventStatMax];
343 // set aEventCuts[ii] to 1 in case of reject
345 for (Int_t ii=0;ii<fHEventStatMax; ++ii)
350 // -- 0 - Before Physics Selection
351 aEventCuts[iCut] = 0;
353 // -- 1 - No Trigger fired
355 if (!IsEventTriggered())
356 aEventCuts[iCut] = 1;
360 const AliESDVertex* vtxESD = NULL;
361 const AliAODVertex* vtxAOD = NULL;
363 vtxESD = fESD->GetPrimaryVertexTracks();
365 aEventCuts[iCut] = 1;
368 vtxAOD = fAOD->GetPrimaryVertex();
370 aEventCuts[iCut] = 1;
373 // -- 3 - Vertex z outside cut window
376 if(TMath::Abs(vtxESD->GetZv()) > fVertexZMax)
377 aEventCuts[iCut] = 1;
380 if(TMath::Abs(vtxAOD->GetZ()) > fVertexZMax)
381 aEventCuts[iCut] = 1;
384 aEventCuts[iCut] = 1;
386 // -- 4 - Centrality = -1 (no centrality or not hadronic)
388 if(fCentralityBin == -1.)
389 aEventCuts[iCut] = 1;
391 // -- 5 - Centrality < fCentralityMax
393 if(fCentralityBin == -2.)
394 aEventCuts[iCut] = 1;
396 // -- Fill statistics / reject event
397 Bool_t isRejected = FillEventStats(aEventCuts);
402 //cout << isRejected << endl;
407 //________________________________________________________________________
408 Bool_t AliEbyEPidRatioHelper::IsParticleAcceptedBasicCharged(AliVParticle *particle, Int_t idxMC) {
409 // -- Check if MC particle is accepted for basic parameters
414 // -- check if charged
415 if (particle->Charge() == 0.0)
418 // -- check if physical primary - ESD
420 if(!fStack->IsPhysicalPrimary(idxMC))
423 // -- check if physical primary - AOD
425 if(!(static_cast<AliAODMCParticle*>(particle))->IsPhysicalPrimary())
432 //________________________________________________________________________
433 Bool_t AliEbyEPidRatioHelper::IsParticleAcceptedBasicNeutral(AliVParticle *particle, Int_t idxMC) {
434 // -- Check if MC particle is accepted for basic parameters
439 // -- check if charged
440 if (particle->Charge() != 0.0)
443 // -- check if physical primary - ESD
445 if(!fStack->IsPhysicalPrimary(idxMC))
448 // -- check if physical primary - AOD
450 if(!(static_cast<AliAODMCParticle*>(particle))->IsPhysicalPrimary())
457 //________________________________________________________________________
458 Bool_t AliEbyEPidRatioHelper::IsParticleAcceptedRapidity(AliVParticle *particle, Double_t &yP, Int_t gCurPid) {
461 yP = particle->Eta();
465 Double_t mP = AliPID::ParticleMass(AliPID::kPion);
466 if(gCurPid == 1) mP = AliPID::ParticleMass(AliPID::kPion);
467 else if(gCurPid == 2) mP = AliPID::ParticleMass(AliPID::kKaon);
468 else if(gCurPid == 3) mP = AliPID::ParticleMass(AliPID::kProton);
470 // -- Calculate rapidities and kinematics
471 Double_t p = particle->P();
472 Double_t pz = particle->Pz();
474 Double_t eP = TMath::Sqrt(p*p + mP*mP);
475 yP = 0.5 * TMath::Log((eP + pz) / (eP - pz));
477 // -- Check Rapidity window
478 if (TMath::Abs(yP) > fRapidityMax)
484 //________________________________________________________________________
485 Bool_t AliEbyEPidRatioHelper::IsParticleAcceptedPhi(AliVParticle *particle) {
486 // -- Check if particle is accepted
488 // > return 0 if not accepted
490 if (particle->Phi() > fPhiMin && particle->Phi() <= fPhiMax)
492 else if (particle->Phi() < fPhiMin && (particle->Phi() + TMath::TwoPi()) <= fPhiMax)
498 //_____________________________________________________________________________
499 Bool_t AliEbyEPidRatioHelper::IsParticleFindable(Int_t label) {
500 // -- Check if MC particle is findable tracks
502 AliMCParticle *mcParticle = static_cast<AliMCParticle*>(fMCEvent->GetTrack(label));
507 Float_t tpcTrackLength = mcParticle->GetTPCTrackLength(AliTracker::GetBz(), 0.05, counter, 3.0);
509 return (tpcTrackLength > fMinTrackLengthMC);
511 //________________________________________________________________________
512 Bool_t AliEbyEPidRatioHelper::IsTrackAcceptedBasicCharged(AliVTrack* track) {
513 // -- Check if track is accepted
514 // > for basic parameters
519 if (track->Charge() == 0)
525 //________________________________________________________________________
526 Bool_t AliEbyEPidRatioHelper::IsTrackAcceptedRapidity(AliVTrack *track, Double_t &yP, Int_t gCurPid) {
532 Double_t mP = AliPID::ParticleMass(AliPID::kPion);
533 if(gCurPid == 1) mP = AliPID::ParticleMass(AliPID::kPion);
534 else if(gCurPid == 2) mP = AliPID::ParticleMass(AliPID::kKaon);
535 else if(gCurPid == 3) mP = AliPID::ParticleMass(AliPID::kProton);
537 // -- Calculate rapidities and kinematics
539 track->GetPxPyPz(pvec);
541 Double_t p = track->P();
542 Double_t eP = TMath::Sqrt(p*p + mP*mP);
543 yP = 0.5 * TMath::Log((eP + pvec[2]) / (eP - pvec[2]));
545 // -- Check Rapidity window
546 if (TMath::Abs(yP) > fRapidityMax)
552 //________________________________________________________________________
553 Bool_t AliEbyEPidRatioHelper::IsTrackAcceptedDCA(AliVTrack *vTrack) {
554 Bool_t isAccepted = kTRUE;
559 AliESDtrack* track = dynamic_cast<AliESDtrack*>(vTrack);
564 if (track->HasPointOnITSLayer(0) && track->HasPointOnITSLayer(1)) {
566 // -- Get DCA nSigmas
567 Float_t dca[2], cov[3]; // dca_xy, dca_z, sigma_xy, sigma_xy_z, sigma_z
568 track->GetImpactParameters(dca,cov);
570 Float_t nSigmaCdd = (cov[0] != 0.) ? dca[0]/TMath::Sqrt(cov[0]) : -9.99;
571 Float_t nSigmaCzz = (cov[2] != 0.) ? dca[1]/TMath::Sqrt(cov[2]) : -9.99;
573 if (fNSigmaMaxCdd != 0.) {
574 if (TMath::Abs(nSigmaCdd) > fNSigmaMaxCdd)
578 if (fNSigmaMaxCzz != 0.) {
579 if (TMath::Abs(nSigmaCzz) > fNSigmaMaxCzz)
587 //________________________________________________________________________
588 Bool_t AliEbyEPidRatioHelper::IsTrackAcceptedPID(AliVTrack *track, Double_t* pid, AliPID::EParticleType gCurPid) {
590 Bool_t isAcceptedITS = kFALSE;
591 Bool_t isAcceptedTPC = kFALSE;
592 Bool_t isAcceptedTPClow = kFALSE;
593 Bool_t isAcceptedTOF = kFALSE;
594 Bool_t isAccepted = kFALSE;
596 // -- In case not PID is used
604 if (fPIDResponse->NumberOfSigmas(AliPIDResponse::kITS, track, gCurPid, pid[0]) == AliPIDResponse::kDetPidOk) {
605 if (TMath::Abs(pid[0]) < fNSigmaMaxITS)
606 isAcceptedITS = kTRUE;
609 if (fPIDResponse->NumberOfSigmas(AliPIDResponse::kTPC, track, gCurPid, pid[1]) == AliPIDResponse::kDetPidOk) {
610 if (TMath::Abs(pid[1]) < fNSigmaMaxTPC)
611 isAcceptedTPC = kTRUE;
612 if (TMath::Abs(pid[1]) < fNSigmaMaxTPClow)
613 isAcceptedTPClow = kTRUE;
614 if (track->Pt() < fMaxPtForTPClow)
615 isAcceptedTPC = isAcceptedTPClow;
618 Bool_t hasPIDTOF = kFALSE;
619 if (fPIDResponse->NumberOfSigmas(AliPIDResponse::kTOF, track, gCurPid, pid[2]) == AliPIDResponse::kDetPidOk) {
621 if (TMath::Abs(pid[2]) < fNSigmaMaxTOF)
622 isAcceptedTOF = kTRUE;
624 // -- Check TOF missmatch for MC
627 if (fIsMC && isAcceptedTOF) {
629 // AliESDtrack* track = dynamic_cast<AliESDtrack*>(vTrack);
630 // TODO add code for AOD
632 (dynamic_cast<AliESDtrack*>(track))->GetTOFLabel(tofLabel);
634 Bool_t hasMatchTOF = kTRUE;
635 if (TMath::Abs(track->GetLabel()) != TMath::Abs(tofLabel[0]) || tofLabel[1] > 0)
636 hasMatchTOF = kFALSE;
638 TParticle *matchedTrack = fStack->Particle(TMath::Abs(tofLabel[0]));
639 if (TMath::Abs(matchedTrack->GetFirstMother()) == TMath::Abs(track->GetLabel()))
642 isAcceptedTOF = hasMatchTOF;
645 // 0 : TPC(TPClow+TPCHigh)
648 // 3 : ITS+TPC(TPClow+TPCHigh)
649 // 4 : TPC(TPClow+TPCHigh)+TOF
650 // 5 : TPC(TPClow+TPCHigh)+TOF for pT >= fMinPtForTOFRequired TOF is required, below, only used if there
651 // 6 : TPC(TPClow+TPCHigh)+ITS+TOF with TOF only for those tracks which have TOF information
652 // 7 : TPC(TPClow+TPCHigh)+ITS+TOF for pT >= fMinPtForTOFRequired TOF is required, below, only used if there
653 // 8 : TPC(TPClow+TPCHigh)+ITS+TOF
654 if (fPIDStrategy == 0) { // TPC PID
655 isAccepted = isAcceptedTPC;
657 else if (fPIDStrategy == 1) { // ITS PID
658 isAccepted = isAcceptedITS;
660 else if (fPIDStrategy == 2) { // TOF PID
661 isAccepted = isAcceptedTOF;
663 else if (fPIDStrategy == 3) { // TPC+ITS PID
664 isAccepted = isAcceptedTPC && isAcceptedITS;
666 else if (fPIDStrategy == 4) { // TPC+TOF PID
667 isAccepted = isAcceptedTPC && isAcceptedTOF;
669 else if (fPIDStrategy == 5) { // TPC+TOF PID -- for pT >= fMinPtForTOFRequired TOF is required
670 if (!hasPIDTOF && track->Pt() < fMinPtForTOFRequired)
671 isAcceptedTOF = kTRUE;
672 isAccepted = isAcceptedTPC && isAcceptedTOF;
674 else if (fPIDStrategy == 6) { // ITS+TPC+TOF PID -- TOF only for those tracks which have TOF information
675 isAccepted = isAcceptedTPC && isAcceptedITS;
677 isAccepted = isAccepted && isAcceptedTOF;
679 else if (fPIDStrategy == 7) { // ITS+TPC+TOF PID -- for pT >= fMinPtForTOFRequired TOF is required
680 if (!hasPIDTOF && track->Pt() < fMinPtForTOFRequired)
681 isAcceptedTOF = kTRUE;
682 isAccepted = isAcceptedITS && isAcceptedTPC && isAcceptedTOF;
684 else if (fPIDStrategy == 8) { // ITS+TPC+TOF PID
685 isAccepted = isAcceptedITS && isAcceptedTPC && isAcceptedTOF;
691 //________________________________________________________________________
692 Bool_t AliEbyEPidRatioHelper::IsTrackAcceptedPhi(AliVTrack *track) {
693 // -- Check if track is accepted
695 // > return 0 if not accepted
697 if (track->Phi() > fPhiMin && track->Phi() <= fPhiMax)
699 else if (track->Phi() < fPhiMin && (track->Phi() + TMath::TwoPi()) <= fPhiMax)
705 //________________________________________________________________________
706 void AliEbyEPidRatioHelper::BinLogAxis(const THnBase *hn, Int_t axisNumber, AliESDtrackCuts* cuts) {
707 AliESDtrackCuts* esdTrackCuts = (cuts) ? cuts : fESDTrackCuts;
709 // -- Make logarithmic binning
710 TAxis *axis = hn->GetAxis(axisNumber);
711 Int_t nBins = axis->GetNbins();
713 Double_t from = axis->GetXmin();
714 Double_t to = axis->GetXmax();
715 Double_t *newBins = new Double_t[nBins + 1];
718 Double_t factor = TMath::Power(to/from, 1./nBins);
720 for (int ii = 1; ii <= nBins; ii++)
721 newBins[ii] = factor * newBins[ii-1];
723 axis->Set(nBins, newBins);
728 // ------------------
730 Float_t oldPtRange[2];
731 esdTrackCuts->GetPtRange(ptRange[0],ptRange[1]);
732 esdTrackCuts->GetPtRange(oldPtRange[0],oldPtRange[1]);
734 Float_t minPtForTOFRequired = fMinPtForTOFRequired;
735 Float_t maxPtForTPClow = fMaxPtForTPClow;
737 // -- Update minPt Cut
738 Int_t bin = axis->FindBin(ptRange[0]+10e-7);
739 ptRange[0] = axis->GetBinLowEdge(bin);
741 // -- Update maxPt Cut
742 bin = axis->FindBin(ptRange[1]-10e-7);
743 ptRange[1] = axis->GetBinUpEdge(bin);
745 if (ptRange[0] != oldPtRange[0] || ptRange[1] != oldPtRange[1]) {
746 printf(">>>> Update Pt Range : [%f,%f] -> [%f,%f]\n", oldPtRange[0], oldPtRange[1], ptRange[0], ptRange[1]);
747 esdTrackCuts->SetPtRange(ptRange[0],ptRange[1]);
750 // -- Update MinPtForTOFRequired
751 bin = axis->FindBin(minPtForTOFRequired-10e-7);
752 minPtForTOFRequired = axis->GetBinUpEdge(bin);
754 if (minPtForTOFRequired != fMinPtForTOFRequired) {
755 printf(">>>> Update Min Pt for TOF : %f -> %f\n", fMinPtForTOFRequired, minPtForTOFRequired);
756 fMinPtForTOFRequired = minPtForTOFRequired;
759 // -- Update MaxPtForTPClow
760 bin = axis->FindBin(maxPtForTPClow-10e-7);
761 maxPtForTPClow = axis->GetBinUpEdge(bin);
763 if (maxPtForTPClow != fMaxPtForTPClow) {
764 printf(">>>> Update Max Pt for TPC Low : %f -> %f\n", fMaxPtForTPClow, maxPtForTPClow);
765 fMaxPtForTPClow = maxPtForTPClow;
769 //________________________________________________________________________
770 void AliEbyEPidRatioHelper::InitializeEventStats() {
771 // -- Initialize event statistics histograms
773 fHEventStat0 = new TH1F("hEventStat0","Event cut statistics 0;Event Cuts;Events", fHEventStatMax,-0.5,fHEventStatMax-0.5);
774 fHEventStat1 = new TH1F("hEventStat1","Event cut statistics 1;Event Cuts;Events", fHEventStatMax,-0.5,fHEventStatMax-0.5);
776 for ( Int_t ii=0; ii < fHEventStatMax-1; ii++ ) {
777 fHEventStat0->GetXaxis()->SetBinLabel(ii+1, AliEbyEPidRatioHelper::fgkEventNames[ii]);
778 fHEventStat1->GetXaxis()->SetBinLabel(ii+1, AliEbyEPidRatioHelper::fgkEventNames[ii]);
781 fHEventStat0->GetXaxis()->SetBinLabel(fHEventStatMax, Form("Centrality [0-%s]%%", AliEbyEPidRatioHelper::fgkCentralityMaxNames[fCentralityBinMax-1]));
782 fHEventStat1->GetXaxis()->SetBinLabel(fHEventStatMax, Form("Centrality [0-%s]%%", AliEbyEPidRatioHelper::fgkCentralityMaxNames[fCentralityBinMax-1]));
785 //________________________________________________________________________
786 void AliEbyEPidRatioHelper::InitializeTriggerStats() {
787 // -- Initialize trigger statistics histograms
789 fHTriggerStat = new TH1F("hTriggerStat","Trigger statistics;Trigger;Events", fNTriggers,-0.5,fNTriggers-0.5);
791 for ( Int_t ii=0; ii < fNTriggers; ii++ )
792 fHTriggerStat->GetXaxis()->SetBinLabel(ii+1, AliEbyEPidRatioHelper::fgkTriggerNames[ii]);
795 //________________________________________________________________________
796 void AliEbyEPidRatioHelper::InitializeCentralityStats() {
797 // -- Initialize trigger statistics histograms
799 fHCentralityStat = new TH1F("hCentralityStat","Centrality statistics;Centrality Bins;Events",
800 fNCentralityBins,-0.5,fNCentralityBins-0.5);
802 for ( Int_t ii=0; ii < fNCentralityBins; ii++ )
803 fHCentralityStat->GetXaxis()->SetBinLabel(ii+1, AliEbyEPidRatioHelper::fgkCentralityNames[ii]);
805 fHCentralityPer = new TH1F("hCentralityPercentileAccepted","Centrality Percentile statistics;Centrality Bins;Events",
808 fHCentralityPerAll = new TH1F("hCentralityPercentileAll","Centrality Percentile statistics;Centrality Bins;Events",
813 //________________________________________________________________________
814 Bool_t AliEbyEPidRatioHelper::FillEventStats(Int_t *aEventCuts) {
815 // -- Fill event / centrality statistics
817 Bool_t isRejected = kFALSE;
820 // -- Fill event statistics
821 for (Int_t idx = 0; idx < fHEventStatMax ; ++idx) {
826 fHEventStat0->Fill(idx);
829 for (Int_t idx = 0; idx < fHEventStatMax; ++idx) {
832 fHEventStat1->Fill(idx);
835 // -- Fill centrality statistics of accepted events
837 fHCentralityStat->Fill(fCentralityBin);
838 fHCentralityPer->Fill(fCentralityPercentile);
841 fHCentralityPerAll->Fill(fCentralityPercentile);