[u/mrichter/AliRoot.git] / ANALYSIS / AliESDpidCuts.cxx

#include <TCanvas.h>
#include <TClass.h>
#include <TCollection.h>
#include <TDirectory.h>
#include <TH1F.h>
#include <TH1I.h>
#include <TH2I.h>
#include <TMath.h>
#include <TIterator.h>
#include <TString.h>

#include "AliESDtrack.h"
#include "AliLog.h"
#include "AliTPCpidESD.h"
#include "AliTOFpidESD.h"

#include "AliESDpidCuts.h"

ClassImp(AliESDpidCuts)

const Int_t AliESDpidCuts::kNcuts = 3;

//_____________________________________________________________________
AliESDpidCuts::AliESDpidCuts(const Char_t *name, const Char_t *title):
    AliAnalysisCuts(name, title)
  , fTPCpid(NULL)
  , fTOFpid(NULL)
  , fCutTPCclusterRatio(0.)
  , fMinMomentumTOF(0.5)
  , fHcutStatistics(NULL)
  , fHcutCorrelation(NULL)
{
  //
  // Default constructor
  //
  
  fTPCpid = new AliTPCpidESD;
  fTOFpid = new AliTOFpidESD;
  for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
    fCutTPCnSigma[ispec] = -1;
    fCutTOFnSigma[ispec] = -1;
  }
  //memset(fCutTPCnSigma, -1, sizeof(Float_t) * AliPID::kSPECIES);
  //memset(fCutTOFnSigma, -1, sizeof(Float_t) * AliPID::kSPECIES);

  memset(fHclusterRatio, 0, sizeof(TH1F *) * 2);
  memset(fHnSigmaTPC, 0, sizeof(TH1F *) * AliPID::kSPECIES * 2);
  memset(fHnSigmaTOF, 0, sizeof(TH1F *) * AliPID::kSPECIES * 2);
}

//_____________________________________________________________________
AliESDpidCuts::AliESDpidCuts(const AliESDpidCuts &ref):
    AliAnalysisCuts(ref)
  , fTPCpid(NULL)
  , fTOFpid(NULL)
  , fCutTPCclusterRatio(ref.fCutTPCclusterRatio)
  , fMinMomentumTOF(ref.fMinMomentumTOF)
  , fHcutStatistics(NULL)
  , fHcutCorrelation(NULL)
{
  //
  // Copy constructor
  //
  fTPCpid = new AliTPCpidESD(*ref.fTPCpid);
  fTOFpid = new AliTOFpidESD(*ref.fTOFpid);
  memcpy(fCutTPCnSigma, ref.fCutTPCnSigma, sizeof(Float_t) * AliPID::kSPECIES);
  memcpy(fCutTOFnSigma, ref.fCutTOFnSigma, sizeof(Float_t) * AliPID::kSPECIES);
  
  if(ref.fHcutStatistics) fHcutStatistics = dynamic_cast<TH1I *>(ref.fHcutStatistics->Clone());
  if(ref.fHcutCorrelation) fHcutCorrelation = dynamic_cast<TH2I *>(ref.fHcutCorrelation->Clone());
  for(Int_t imode = 0; imode < 2; imode++){
    if(ref.fHclusterRatio[imode]) fHclusterRatio[imode] = dynamic_cast<TH1F *>(ref.fHclusterRatio[imode]->Clone());
    for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
      if(fHnSigmaTPC[ispec][imode]) fHnSigmaTPC[ispec][imode] = dynamic_cast<TH1F *>(fHnSigmaTPC[ispec][imode]->Clone());
      if(fHnSigmaTOF[ispec][imode]) fHnSigmaTOF[ispec][imode] = dynamic_cast<TH1F *>(fHnSigmaTPC[ispec][imode]->Clone());
    }
  }
}

//_____________________________________________________________________
AliESDpidCuts &AliESDpidCuts::operator=(const AliESDpidCuts &ref){
  //
  // Assignment operator
  //
  if(this != &ref)
    ref.Copy(*this);
  return *this;
}

//_____________________________________________________________________
AliESDpidCuts::~AliESDpidCuts(){
  //
  // Destructor
  //
  delete fTPCpid;
  delete fTOFpid;

  delete fHcutStatistics;
  delete fHcutCorrelation;
  for(Int_t imode = 0; imode < 2; imode++){
    delete fHclusterRatio[imode];
    for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
      delete fHnSigmaTPC[ispec][imode];
      delete fHnSigmaTOF[ispec][imode];
    }
  }
}

//_____________________________________________________________________
Bool_t AliESDpidCuts::IsSelected(TObject *o){
  //
  // Select Track
  // 
  if(TString(o->IsA()->GetName()).CompareTo("AliESDtrack")){
    Char_t errormessage[256];
    sprintf(errormessage, "Provided object not an AliESDtrack: Type %s", o->IsA()->GetName());
    AliError(errormessage);
    return kFALSE;
  }
  return AcceptTrack(const_cast<const AliESDtrack *>(dynamic_cast<AliESDtrack *>(o)));
}

//_____________________________________________________________________
void AliESDpidCuts::Copy(TObject &c) const {
  //
  // Copy function
  //
  AliESDpidCuts &target = dynamic_cast<AliESDpidCuts &>(c);

  target.fTPCpid = new AliTPCpidESD;
  target.fTOFpid = new AliTOFpidESD;

  target.fCutTPCclusterRatio = fCutTPCclusterRatio;
  target.fMinMomentumTOF = fMinMomentumTOF;
  
  if(fHcutStatistics) target.fHcutStatistics = dynamic_cast<TH1I *>(fHcutStatistics->Clone());
  if(fHcutCorrelation) target.fHcutCorrelation = dynamic_cast<TH2I *>(fHcutCorrelation->Clone());
  for(Int_t imode = 0; imode < 2; imode++){
    if(fHclusterRatio[imode]) target.fHclusterRatio[imode] = dynamic_cast<TH1F *>(fHclusterRatio[imode]->Clone());
    for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
      if(fHnSigmaTPC[ispec][imode]) target.fHnSigmaTPC[ispec][imode] = dynamic_cast<TH1F *>(fHnSigmaTPC[ispec][imode]->Clone());
      if(fHnSigmaTOF[ispec][imode]) target.fHnSigmaTOF[ispec][imode] = dynamic_cast<TH1F *>(fHnSigmaTOF[ispec][imode]->Clone());
    }
  }
 
  memcpy(target.fCutTPCnSigma, fCutTPCnSigma, sizeof(Float_t) * AliPID::kSPECIES);
  memcpy(target.fCutTOFnSigma, fCutTOFnSigma, sizeof(Float_t) * AliPID::kSPECIES);
 
  AliESDpidCuts::Copy(c);
}

//_____________________________________________________________________
Long64_t AliESDpidCuts::Merge(TCollection *coll){
  //
  // Merge Cut objects
  //
  if(coll) return 0;
  if(coll->IsEmpty()) return 1;
  if(!HasHistograms())  return 0;
  
  TIterator *iter = coll->MakeIterator();
  TObject *o = NULL; 
  AliESDpidCuts *ref = NULL;
  Int_t counter = 0;
  while((o = iter->Next())){
    ref = dynamic_cast<AliESDpidCuts *>(o);
    if(!ref) continue;
    if(!ref->HasHistograms()) continue;

    fHcutStatistics->Add(ref->fHcutStatistics);
    fHcutCorrelation->Add(ref->fHcutCorrelation);
    for(Int_t imode = 0; imode < 2; imode++){
      fHclusterRatio[imode]->Add(ref->fHclusterRatio[imode]);
      for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
        fHnSigmaTPC[ispec][imode]->Add(ref->fHnSigmaTPC[ispec][imode]);
        fHnSigmaTOF[ispec][imode]->Add(ref->fHnSigmaTOF[ispec][imode]);
      }
    }
    ++counter;
  }
  return ++counter;
}

//_____________________________________________________________________
void AliESDpidCuts::DefineHistograms(Color_t color){
  //
  // Swich on QA and create the histograms
  //
  SetBit(kHasHistograms, kTRUE);
  fHcutStatistics = new TH1I("fHcutStatistics", "Cut Statistics", kNcuts, 0, kNcuts);
  fHcutStatistics->SetLineColor(color);
  fHcutCorrelation = new TH2I("fHcutCorrelation", "Cut Correlation", kNcuts, 0, kNcuts, kNcuts, 0, kNcuts);
  TString cutname[kNcuts] = {"TPCclusterRatio", "TPC sigma", "TOF sigma"};
  for(Int_t icut = 0; icut < kNcuts; icut++){
    fHcutStatistics->GetXaxis()->SetBinLabel(fHcutStatistics->GetXaxis()->GetFirst() + icut, cutname[icut].Data());
    fHcutCorrelation->GetXaxis()->SetBinLabel(fHcutCorrelation->GetXaxis()->GetFirst() + icut, cutname[icut].Data());
    fHcutCorrelation->GetYaxis()->SetBinLabel(fHcutCorrelation->GetYaxis()->GetFirst() + icut, cutname[icut].Data());
  }
  Char_t hname[256], htitle[256];
  for(Int_t imode = 0; imode < 2; imode++){
    sprintf(hname, "fHclusterRatio%s", imode ? "After" : "Before");
    sprintf(htitle, "TPC cluster Ratio %s cuts;Ratio;Entries", imode ? "after" : "before");
    fHclusterRatio[imode] = new TH1F(hname, htitle, 20, 0., 1.);
    for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
      sprintf(hname, "fHnSigma%sTPC%s", AliPID::ParticleName(ispec), imode ? "after" : "before");
      sprintf(htitle, "TPC sigma for %s %s cuts;sigma;Entries", AliPID::ParticleName(ispec), imode ? "after" : "before");
      fHnSigmaTPC[ispec][imode] = new TH1F(hname, htitle, 200, -10., 10.);
      sprintf(hname, "fHnSigma%sTOF%s", AliPID::ParticleName(ispec), imode ? "after" : "before");
      sprintf(htitle, "TOF sigma for %s %s cuts;sigma;Entries", AliPID::ParticleName(ispec), imode ? "after" : "before");
      fHnSigmaTOF[ispec][imode] = new TH1F(hname, htitle, 200, -10., 10.);
    }
  }
}

//_____________________________________________________________________
Bool_t AliESDpidCuts::AcceptTrack(const AliESDtrack *track){
  //
  // Check whether the tracks survived the cuts
  //
  enum{
    kCutClusterRatioTPC,
    kCutNsigmaTPC,
    kCutNsigmaTOF
  };
  Long64_t cutRequired=0, cutFullfiled = 0;
  Double_t clusterRatio = track->GetTPCNclsF() ? static_cast<Float_t>(track->GetTPCNcls())/static_cast<Float_t>(track->GetTPCNclsF()) : 1.;
  if(fCutTPCclusterRatio > 0.){
    SETBIT(cutRequired, kCutClusterRatioTPC);
    if(clusterRatio >= fCutTPCclusterRatio) 
      SETBIT(cutFullfiled, kCutClusterRatioTPC);
  }
  // check TPC nSigma cut
  Float_t nsigmaTPC[AliPID::kSPECIES];   // need all sigmas for QA plotting
  for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
    nsigmaTPC[ispec] = fTPCpid->GetNumberOfSigmas(track, static_cast<AliPID::EParticleType>(ispec));
    if(fCutTPCnSigma[ispec] < 0) continue;
    SETBIT(cutRequired, kCutNsigmaTPC); // We found at least one species where the n-Sigma Cut is required
    if(TMath::Abs(nsigmaTPC[ispec]) <= fCutTPCnSigma[ispec]) SETBIT(cutFullfiled, kCutNsigmaTPC);    // Fullfiled for at least one species
  }
  // check TOF nSigma cut
  Float_t nsigmaTOF[AliPID::kSPECIES];    // see above
  Bool_t hasTOFpid = track->GetStatus() & AliESDtrack::kTOFpid; // only apply TOF n-sigma cut when PID Status Bit is set
  for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
    if(hasTOFpid) nsigmaTOF[ispec] = fTOFpid->GetNumberOfSigmas(track, static_cast<AliPID::EParticleType>(ispec));
    if(fCutTOFnSigma[ispec] < 0) continue;
    SETBIT(cutRequired, kCutNsigmaTOF);
    if(track->GetOuterParam()->P() >= fMinMomentumTOF){
      if(hasTOFpid && (TMath::Abs(nsigmaTOF[ispec]) <= fCutTOFnSigma[ispec])) SETBIT(cutFullfiled, kCutNsigmaTOF);
    }
  }

  // Fill Histograms before cuts
  if(HasHistograms()){
    fHclusterRatio[0]->Fill(clusterRatio);
    for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
      fHnSigmaTPC[ispec][0]->Fill(nsigmaTPC[ispec]);
      if(hasTOFpid) fHnSigmaTOF[ispec][0]->Fill(nsigmaTOF[ispec]);
    }
  }
  if(cutRequired != cutFullfiled){
    // Fill cut statistics
    if(HasHistograms()){
      for(Int_t icut = 0; icut < kNcuts; icut++){
	if(TESTBIT(cutRequired, icut) && !TESTBIT(cutFullfiled, icut)){
	  // cut not fullfiled
	  fHcutStatistics->Fill(icut);
	  for(Int_t jcut = 0; jcut <= icut; jcut++)
	    if(TESTBIT(cutRequired, jcut) && !TESTBIT(cutFullfiled, jcut)) fHcutCorrelation->Fill(jcut, icut);
	}
      }
    }
    return kFALSE;    // At least one cut is not fullfiled
  }

  // Fill Histograms after cuts
  if(HasHistograms()){
    fHclusterRatio[1]->Fill(clusterRatio);
    for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
      fHnSigmaTPC[ispec][1]->Fill(nsigmaTPC[ispec]);
      if(hasTOFpid) fHnSigmaTOF[ispec][1]->Fill(nsigmaTOF[ispec]);
    }
  }

  return kTRUE;
}

//_____________________________________________________________________
void AliESDpidCuts::SaveHistograms(const Char_t * location){
  //
  // Save the histograms to a file
  //
  if(!HasHistograms()){
    AliError("Histograms not on - Exiting");
    return;
  }
  if(!location) location = GetName();
  gDirectory->mkdir(location);
  gDirectory->cd(location);
  fHcutStatistics->Write();
  fHcutCorrelation->Write();

  gDirectory->mkdir("before_cuts");
  gDirectory->mkdir("after_cuts");

  gDirectory->cd("before_cuts");
  fHclusterRatio[0]->Write();
  for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
    fHnSigmaTPC[ispec][0]->Write();
    fHnSigmaTOF[ispec][0]->Write();
  }

  gDirectory->cd("../after_cuts");
  fHclusterRatio[1]->Write();
  for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
    fHnSigmaTPC[ispec][1]->Write();
    fHnSigmaTOF[ispec][1]->Write();
  }

  gDirectory->cd("..");
}

//_____________________________________________________________________
void AliESDpidCuts::DrawHistograms(){
  //
  // Draw the Histograms
  //
  TCanvas *stat = new TCanvas("cutStat", "Cut Statistics", 640, 480);
  stat->cd();
  fHcutStatistics->SetStats(kFALSE);
  fHcutStatistics->Draw();
  stat->SaveAs(Form("%s_%s.gif", GetName(), stat->GetName()));

  TCanvas *correl = new TCanvas("cutCorrelation", "Cut Correlation", 640, 480);
  correl->cd();
  fHcutCorrelation->SetStats(kFALSE);
  fHcutCorrelation->Draw("colz");
  correl->SaveAs(Form("%s_%s.gif", GetName(), correl->GetName()));

  TCanvas *cRatio = new TCanvas("ClusterRatioTPC", "TPC cluster Ratio", 640, 480);
  cRatio->cd();
  fHclusterRatio[0]->SetLineColor(kRed);
  fHclusterRatio[0]->SetStats(kFALSE);
  fHclusterRatio[0]->Draw();
  fHclusterRatio[1]->SetLineColor(kBlue);
  fHclusterRatio[1]->SetStats(kFALSE);
  fHclusterRatio[1]->Draw("same");
  cRatio->SaveAs(Form("%s_%s.gif",  GetName(), cRatio->GetName()));

  TCanvas *cNsigTPC = new TCanvas("NsigmaTPC", "TPC n-sigma", 640, 480);
  cNsigTPC->Divide(3,2);
  for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
    cNsigTPC->cd(ispec + 1);
    fHnSigmaTPC[ispec][0]->SetLineColor(kRed);
    fHnSigmaTPC[ispec][0]->SetStats(kFALSE);
    fHnSigmaTPC[ispec][0]->Draw();
    fHnSigmaTPC[ispec][1]->SetLineColor(kBlue);
    fHnSigmaTPC[ispec][1]->SetStats(kFALSE);
    fHnSigmaTPC[ispec][1]->Draw("same");
  }
  cNsigTPC->SaveAs(Form("%s_%s.gif", GetName(), cNsigTPC->GetName()));

  TCanvas *cNsigTOF = new TCanvas("NsigmaTOF", "TOF n-sigma", 640, 480);
  cNsigTOF->Divide(3,2);
  for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
    cNsigTOF->cd(ispec + 1);
    fHnSigmaTOF[ispec][0]->SetLineColor(kRed);
    fHnSigmaTOF[ispec][0]->SetStats(kFALSE);
    fHnSigmaTOF[ispec][0]->Draw();
    fHnSigmaTOF[ispec][1]->SetLineColor(kBlue);
    fHnSigmaTOF[ispec][1]->SetStats(kFALSE);
    fHnSigmaTOF[ispec][1]->Draw("same");
  }
  cNsigTOF->SaveAs(Form("%s_%s.gif", GetName(), cNsigTOF->GetName()));
}
Commit	Line	Data
7e1f5ba5	1	#include <TCanvas.h>
	2	#include <TClass.h>
	3	#include <TCollection.h>
	4	#include <TDirectory.h>
	5	#include <TH1F.h>
	6	#include <TH1I.h>
	7	#include <TH2I.h>
	8	#include <TMath.h>
	9	#include <TIterator.h>
	10	#include <TString.h>
	11
	12	#include "AliESDtrack.h"
	13	#include "AliLog.h"
	14	#include "AliTPCpidESD.h"
	15	#include "AliTOFpidESD.h"
	16
	17	#include "AliESDpidCuts.h"
	18
	19	ClassImp(AliESDpidCuts)
	20
	21	const Int_t AliESDpidCuts::kNcuts = 3;
	22
	23	//_____________________________________________________________________
	24	AliESDpidCuts::AliESDpidCuts(const Char_t name, const Char_t title):
	25	AliAnalysisCuts(name, title)
	26	, fTPCpid(NULL)
	27	, fTOFpid(NULL)
	28	, fCutTPCclusterRatio(0.)
	29	, fMinMomentumTOF(0.5)
	30	, fHcutStatistics(NULL)
	31	, fHcutCorrelation(NULL)
	32	{
	33	//
	34	// Default constructor
	35	//
	36
	37	fTPCpid = new AliTPCpidESD;
	38	fTOFpid = new AliTOFpidESD;
	39	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
	40	fCutTPCnSigma[ispec] = -1;
	41	fCutTOFnSigma[ispec] = -1;
	42	}
	43	//memset(fCutTPCnSigma, -1, sizeof(Float_t) * AliPID::kSPECIES);
	44	//memset(fCutTOFnSigma, -1, sizeof(Float_t) * AliPID::kSPECIES);
	45
	46	memset(fHclusterRatio, 0, sizeof(TH1F ) 2);
	47	memset(fHnSigmaTPC, 0, sizeof(TH1F ) AliPID::kSPECIES * 2);
	48	memset(fHnSigmaTOF, 0, sizeof(TH1F ) AliPID::kSPECIES * 2);
	49	}
	50
	51	//_____________________________________________________________________
	52	AliESDpidCuts::AliESDpidCuts(const AliESDpidCuts &ref):
	53	AliAnalysisCuts(ref)
	54	, fTPCpid(NULL)
	55	, fTOFpid(NULL)
	56	, fCutTPCclusterRatio(ref.fCutTPCclusterRatio)
	57	, fMinMomentumTOF(ref.fMinMomentumTOF)
	58	, fHcutStatistics(NULL)
	59	, fHcutCorrelation(NULL)
	60	{
	61	//
	62	// Copy constructor
	63	//
	64	fTPCpid = new AliTPCpidESD(*ref.fTPCpid);
65	fTOFpid = new AliTOFpidESD(*ref.fTOFpid);
66	memcpy(fCutTPCnSigma, ref.fCutTPCnSigma, sizeof(Float_t) * AliPID::kSPECIES);
67	memcpy(fCutTOFnSigma, ref.fCutTOFnSigma, sizeof(Float_t) * AliPID::kSPECIES);
68
69	if(ref.fHcutStatistics) fHcutStatistics = dynamic_cast<TH1I *>(ref.fHcutStatistics->Clone());
70	if(ref.fHcutCorrelation) fHcutCorrelation = dynamic_cast<TH2I *>(ref.fHcutCorrelation->Clone());
71	for(Int_t imode = 0; imode < 2; imode++){
72	if(ref.fHclusterRatio[imode]) fHclusterRatio[imode] = dynamic_cast<TH1F *>(ref.fHclusterRatio[imode]->Clone());
73	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
74	if(fHnSigmaTPC[ispec][imode]) fHnSigmaTPC[ispec][imode] = dynamic_cast<TH1F *>(fHnSigmaTPC[ispec][imode]->Clone());
75	if(fHnSigmaTOF[ispec][imode]) fHnSigmaTOF[ispec][imode] = dynamic_cast<TH1F *>(fHnSigmaTPC[ispec][imode]->Clone());
76	}
77	}
78	}
79
80	//_____________________________________________________________________
81	AliESDpidCuts &AliESDpidCuts::operator=(const AliESDpidCuts &ref){
82	//
83	// Assignment operator
84	//
85	if(this != &ref)
86	ref.Copy(*this);
87	return *this;
88	}
89
90	//_____________________________________________________________________
91	AliESDpidCuts::~AliESDpidCuts(){
92	//
93	// Destructor
94	//
95	delete fTPCpid;
96	delete fTOFpid;
97
98	delete fHcutStatistics;
99	delete fHcutCorrelation;
100	for(Int_t imode = 0; imode < 2; imode++){
101	delete fHclusterRatio[imode];
102	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
103	delete fHnSigmaTPC[ispec][imode];
104	delete fHnSigmaTOF[ispec][imode];
105	}
106	}
107	}
108
109	//_____________________________________________________________________
110	Bool_t AliESDpidCuts::IsSelected(TObject *o){
111	//
112	// Select Track
113	//
114	if(TString(o->IsA()->GetName()).CompareTo("AliESDtrack")){
115	Char_t errormessage[256];
116	sprintf(errormessage, "Provided object not an AliESDtrack: Type %s", o->IsA()->GetName());
117	AliError(errormessage);
118	return kFALSE;
119	}
120	return AcceptTrack(const_cast<const AliESDtrack >(dynamic_cast<AliESDtrack >(o)));
121	}
122
123	//_____________________________________________________________________
124	void AliESDpidCuts::Copy(TObject &c) const {
125	//
126	// Copy function
127	//
128	AliESDpidCuts &target = dynamic_cast<AliESDpidCuts &>(c);
129
130	target.fTPCpid = new AliTPCpidESD;
131	target.fTOFpid = new AliTOFpidESD;
132
133	target.fCutTPCclusterRatio = fCutTPCclusterRatio;
134	target.fMinMomentumTOF = fMinMomentumTOF;
135
136	if(fHcutStatistics) target.fHcutStatistics = dynamic_cast<TH1I *>(fHcutStatistics->Clone());
137	if(fHcutCorrelation) target.fHcutCorrelation = dynamic_cast<TH2I *>(fHcutCorrelation->Clone());
138	for(Int_t imode = 0; imode < 2; imode++){
139	if(fHclusterRatio[imode]) target.fHclusterRatio[imode] = dynamic_cast<TH1F *>(fHclusterRatio[imode]->Clone());
140	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
141	if(fHnSigmaTPC[ispec][imode]) target.fHnSigmaTPC[ispec][imode] = dynamic_cast<TH1F *>(fHnSigmaTPC[ispec][imode]->Clone());
142	if(fHnSigmaTOF[ispec][imode]) target.fHnSigmaTOF[ispec][imode] = dynamic_cast<TH1F *>(fHnSigmaTOF[ispec][imode]->Clone());
143	}
144	}
145
146	memcpy(target.fCutTPCnSigma, fCutTPCnSigma, sizeof(Float_t) * AliPID::kSPECIES);
147	memcpy(target.fCutTOFnSigma, fCutTOFnSigma, sizeof(Float_t) * AliPID::kSPECIES);
148
149	AliESDpidCuts::Copy(c);
150	}
151
152	//_____________________________________________________________________
153	Long64_t AliESDpidCuts::Merge(TCollection *coll){
154	//
155	// Merge Cut objects
156	//
157	if(coll) return 0;
158	if(coll->IsEmpty()) return 1;
159	if(!HasHistograms()) return 0;
160
161	TIterator *iter = coll->MakeIterator();
162	TObject *o = NULL;
163	AliESDpidCuts *ref = NULL;
164	Int_t counter = 0;
165	while((o = iter->Next())){
166	ref = dynamic_cast<AliESDpidCuts *>(o);
167	if(!ref) continue;
168	if(!ref->HasHistograms()) continue;
169
170	fHcutStatistics->Add(ref->fHcutStatistics);
171	fHcutCorrelation->Add(ref->fHcutCorrelation);
172	for(Int_t imode = 0; imode < 2; imode++){
173	fHclusterRatio[imode]->Add(ref->fHclusterRatio[imode]);
174	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
175	fHnSigmaTPC[ispec][imode]->Add(ref->fHnSigmaTPC[ispec][imode]);
176	fHnSigmaTOF[ispec][imode]->Add(ref->fHnSigmaTOF[ispec][imode]);
177	}
178	}
179	++counter;
180	}
181	return ++counter;
182	}
183
184	//_____________________________________________________________________
185	void AliESDpidCuts::DefineHistograms(Color_t color){
186	//
187	// Swich on QA and create the histograms
188	//
189	SetBit(kHasHistograms, kTRUE);
190	fHcutStatistics = new TH1I("fHcutStatistics", "Cut Statistics", kNcuts, 0, kNcuts);
191	fHcutStatistics->SetLineColor(color);
192	fHcutCorrelation = new TH2I("fHcutCorrelation", "Cut Correlation", kNcuts, 0, kNcuts, kNcuts, 0, kNcuts);
193	TString cutname[kNcuts] = {"TPCclusterRatio", "TPC sigma", "TOF sigma"};
194	for(Int_t icut = 0; icut < kNcuts; icut++){
195	fHcutStatistics->GetXaxis()->SetBinLabel(fHcutStatistics->GetXaxis()->GetFirst() + icut, cutname[icut].Data());
196	fHcutCorrelation->GetXaxis()->SetBinLabel(fHcutCorrelation->GetXaxis()->GetFirst() + icut, cutname[icut].Data());
197	fHcutCorrelation->GetYaxis()->SetBinLabel(fHcutCorrelation->GetYaxis()->GetFirst() + icut, cutname[icut].Data());
198	}
199	Char_t hname[256], htitle[256];
200	for(Int_t imode = 0; imode < 2; imode++){
201	sprintf(hname, "fHclusterRatio%s", imode ? "After" : "Before");
202	sprintf(htitle, "TPC cluster Ratio %s cuts;Ratio;Entries", imode ? "after" : "before");
203	fHclusterRatio[imode] = new TH1F(hname, htitle, 20, 0., 1.);
204	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
205	sprintf(hname, "fHnSigma%sTPC%s", AliPID::ParticleName(ispec), imode ? "after" : "before");
206	sprintf(htitle, "TPC sigma for %s %s cuts;sigma;Entries", AliPID::ParticleName(ispec), imode ? "after" : "before");
207	fHnSigmaTPC[ispec][imode] = new TH1F(hname, htitle, 200, -10., 10.);
208	sprintf(hname, "fHnSigma%sTOF%s", AliPID::ParticleName(ispec), imode ? "after" : "before");
209	sprintf(htitle, "TOF sigma for %s %s cuts;sigma;Entries", AliPID::ParticleName(ispec), imode ? "after" : "before");
210	fHnSigmaTOF[ispec][imode] = new TH1F(hname, htitle, 200, -10., 10.);
211	}
212	}
213	}
214
215	//_____________________________________________________________________
216	Bool_t AliESDpidCuts::AcceptTrack(const AliESDtrack *track){
217	//
218	// Check whether the tracks survived the cuts
219	//
220	enum{
221	kCutClusterRatioTPC,
222	kCutNsigmaTPC,
223	kCutNsigmaTOF
224	};
225	Long64_t cutRequired=0, cutFullfiled = 0;
226	Double_t clusterRatio = track->GetTPCNclsF() ? static_cast<Float_t>(track->GetTPCNcls())/static_cast<Float_t>(track->GetTPCNclsF()) : 1.;
227	if(fCutTPCclusterRatio > 0.){
228	SETBIT(cutRequired, kCutClusterRatioTPC);
229	if(clusterRatio >= fCutTPCclusterRatio)
230	SETBIT(cutFullfiled, kCutClusterRatioTPC);
231	}
232	// check TPC nSigma cut
233	Float_t nsigmaTPC[AliPID::kSPECIES]; // need all sigmas for QA plotting
234	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
235	nsigmaTPC[ispec] = fTPCpid->GetNumberOfSigmas(track, static_cast<AliPID::EParticleType>(ispec));
236	if(fCutTPCnSigma[ispec] < 0) continue;
237	SETBIT(cutRequired, kCutNsigmaTPC); // We found at least one species where the n-Sigma Cut is required
238	if(TMath::Abs(nsigmaTPC[ispec]) <= fCutTPCnSigma[ispec]) SETBIT(cutFullfiled, kCutNsigmaTPC); // Fullfiled for at least one species
239	}
240	// check TOF nSigma cut
241	Float_t nsigmaTOF[AliPID::kSPECIES]; // see above
242	Bool_t hasTOFpid = track->GetStatus() & AliESDtrack::kTOFpid; // only apply TOF n-sigma cut when PID Status Bit is set
243	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
244	if(hasTOFpid) nsigmaTOF[ispec] = fTOFpid->GetNumberOfSigmas(track, static_cast<AliPID::EParticleType>(ispec));
245	if(fCutTOFnSigma[ispec] < 0) continue;
246	SETBIT(cutRequired, kCutNsigmaTOF);
247	if(track->GetOuterParam()->P() >= fMinMomentumTOF){
248	if(hasTOFpid && (TMath::Abs(nsigmaTOF[ispec]) <= fCutTOFnSigma[ispec])) SETBIT(cutFullfiled, kCutNsigmaTOF);
249	}
250	}
251
252	// Fill Histograms before cuts
253	if(HasHistograms()){
254	fHclusterRatio[0]->Fill(clusterRatio);
255	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
256	fHnSigmaTPC[ispec][0]->Fill(nsigmaTPC[ispec]);
257	if(hasTOFpid) fHnSigmaTOF[ispec][0]->Fill(nsigmaTOF[ispec]);
258	}
259	}
260	if(cutRequired != cutFullfiled){
261	// Fill cut statistics
262	if(HasHistograms()){
263	for(Int_t icut = 0; icut < kNcuts; icut++){
264	if(TESTBIT(cutRequired, icut) && !TESTBIT(cutFullfiled, icut)){
265	// cut not fullfiled
266	fHcutStatistics->Fill(icut);
267	for(Int_t jcut = 0; jcut <= icut; jcut++)
268	if(TESTBIT(cutRequired, jcut) && !TESTBIT(cutFullfiled, jcut)) fHcutCorrelation->Fill(jcut, icut);
269	}
270	}
271	}
272	return kFALSE; // At least one cut is not fullfiled
273	}
274
275	// Fill Histograms after cuts
276	if(HasHistograms()){
277	fHclusterRatio[1]->Fill(clusterRatio);
278	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
279	fHnSigmaTPC[ispec][1]->Fill(nsigmaTPC[ispec]);
280	if(hasTOFpid) fHnSigmaTOF[ispec][1]->Fill(nsigmaTOF[ispec]);
281	}
282	}
283
284	return kTRUE;
285	}
286
287	//_____________________________________________________________________
288	void AliESDpidCuts::SaveHistograms(const Char_t * location){
289	//
290	// Save the histograms to a file
291	//
292	if(!HasHistograms()){
293	AliError("Histograms not on - Exiting");
294	return;
295	}
296	if(!location) location = GetName();
297	gDirectory->mkdir(location);
298	gDirectory->cd(location);
299	fHcutStatistics->Write();
300	fHcutCorrelation->Write();
301
302	gDirectory->mkdir("before_cuts");
303	gDirectory->mkdir("after_cuts");
304
305	gDirectory->cd("before_cuts");
306	fHclusterRatio[0]->Write();
307	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
308	fHnSigmaTPC[ispec][0]->Write();
309	fHnSigmaTOF[ispec][0]->Write();
310	}
311
312	gDirectory->cd("../after_cuts");
313	fHclusterRatio[1]->Write();
314	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
315	fHnSigmaTPC[ispec][1]->Write();
316	fHnSigmaTOF[ispec][1]->Write();
317	}
318
319	gDirectory->cd("..");
320	}
321
322	//_____________________________________________________________________
323	void AliESDpidCuts::DrawHistograms(){
324	//
325	// Draw the Histograms
326	//
327	TCanvas *stat = new TCanvas("cutStat", "Cut Statistics", 640, 480);
328	stat->cd();
329	fHcutStatistics->SetStats(kFALSE);
330	fHcutStatistics->Draw();
331	stat->SaveAs(Form("%s_%s.gif", GetName(), stat->GetName()));
332
333	TCanvas *correl = new TCanvas("cutCorrelation", "Cut Correlation", 640, 480);
334	correl->cd();
335	fHcutCorrelation->SetStats(kFALSE);
336	fHcutCorrelation->Draw("colz");
337	correl->SaveAs(Form("%s_%s.gif", GetName(), correl->GetName()));
338
339	TCanvas *cRatio = new TCanvas("ClusterRatioTPC", "TPC cluster Ratio", 640, 480);
340	cRatio->cd();
341	fHclusterRatio[0]->SetLineColor(kRed);
342	fHclusterRatio[0]->SetStats(kFALSE);
343	fHclusterRatio[0]->Draw();
344	fHclusterRatio[1]->SetLineColor(kBlue);
345	fHclusterRatio[1]->SetStats(kFALSE);
346	fHclusterRatio[1]->Draw("same");
347	cRatio->SaveAs(Form("%s_%s.gif", GetName(), cRatio->GetName()));
348
349	TCanvas *cNsigTPC = new TCanvas("NsigmaTPC", "TPC n-sigma", 640, 480);
350	cNsigTPC->Divide(3,2);
351	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
352	cNsigTPC->cd(ispec + 1);
353	fHnSigmaTPC[ispec][0]->SetLineColor(kRed);
354	fHnSigmaTPC[ispec][0]->SetStats(kFALSE);
355	fHnSigmaTPC[ispec][0]->Draw();
356	fHnSigmaTPC[ispec][1]->SetLineColor(kBlue);
357	fHnSigmaTPC[ispec][1]->SetStats(kFALSE);
358	fHnSigmaTPC[ispec][1]->Draw("same");
359	}
360	cNsigTPC->SaveAs(Form("%s_%s.gif", GetName(), cNsigTPC->GetName()));
361
362	TCanvas *cNsigTOF = new TCanvas("NsigmaTOF", "TOF n-sigma", 640, 480);
363	cNsigTOF->Divide(3,2);
364	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
365	cNsigTOF->cd(ispec + 1);
366	fHnSigmaTOF[ispec][0]->SetLineColor(kRed);
367	fHnSigmaTOF[ispec][0]->SetStats(kFALSE);
368	fHnSigmaTOF[ispec][0]->Draw();
369	fHnSigmaTOF[ispec][1]->SetLineColor(kBlue);
370	fHnSigmaTOF[ispec][1]->SetStats(kFALSE);
371	fHnSigmaTOF[ispec][1]->Draw("same");
372	}
373	cNsigTOF->SaveAs(Form("%s_%s.gif", GetName(), cNsigTOF->GetName()));
374	}
375