[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 "AliESDEvent.h"
#include "AliLog.h"
#include "AliESDpid.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)
  , fESDpid(NULL)
  , fTPCsigmaCutRequired(0)
  , fTOFsigmaCutRequired(0)
  , fCutTPCclusterRatio(0.)
  , fMinMomentumTOF(0.5)
  , fHcutStatistics(NULL)
  , fHcutCorrelation(NULL)
{
  //
  // Default constructor
  //
  
  fESDpid = new AliESDpid;
  memset(fCutTPCnSigma, 0, sizeof(Float_t) * 2);
  memset(fCutTOFnSigma, 0, sizeof(Float_t) * 2);

  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)
  , fESDpid(NULL)
  , fTPCsigmaCutRequired(ref.fTPCsigmaCutRequired)
  , fTOFsigmaCutRequired(ref.fTOFsigmaCutRequired)
  , fCutTPCclusterRatio(ref.fCutTPCclusterRatio)
  , fMinMomentumTOF(ref.fMinMomentumTOF)
  , fHcutStatistics(NULL)
  , fHcutCorrelation(NULL)
{
  //
  // Copy constructor
  //
  fESDpid = new AliESDpid(*ref.fESDpid);
  memcpy(fCutTPCnSigma, ref.fCutTPCnSigma, sizeof(Float_t) * AliPID::kSPECIES * 2);
  memcpy(fCutTOFnSigma, ref.fCutTOFnSigma, sizeof(Float_t) * AliPID::kSPECIES * 2);
  
  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 fESDpid;

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

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

  target.fESDpid = new AliESDpid(*fESDpid);

  target.fCutTPCclusterRatio = fCutTPCclusterRatio;
  target.fMinMomentumTOF = fMinMomentumTOF;

  target.fTPCsigmaCutRequired = fTPCsigmaCutRequired;
  target.fTOFsigmaCutRequired = fTOFsigmaCutRequired;
  
  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 * 2);
  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, const AliESDEvent *event){
  //
  // Check whether the tracks survived the cuts
  //
  enum{
    kCutClusterRatioTPC,
    kCutNsigmaTPC,
    kCutNsigmaTOF
  };
  Long64_t cutRequired=0, cutFullfiled = 0;
  if(fTOFsigmaCutRequired && event == 0) 
    AliError("No event pointer. Need event pointer for T0 for TOF cut");
  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], nsigma;   // need all sigmas for QA plotting
  for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
    nsigmaTPC[ispec] = nsigma = fESDpid->NumberOfSigmasTPC(track,(AliPID::EParticleType)ispec);
    if(!(fTPCsigmaCutRequired & 1 << ispec)) continue;
    SETBIT(cutRequired, kCutNsigmaTPC); // We found at least one species where the n-Sigma Cut is required
    if(nsigma >= fCutTPCnSigma[2*ispec] && nsigma <= fCutTPCnSigma[2*ispec+1]) 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
  Double_t times[AliPID::kSPECIES];
  track->GetIntegratedTimes(times);
  for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
    
    if(hasTOFpid) nsigmaTOF[ispec] = nsigma = fESDpid->NumberOfSigmasTOF(track,(AliPID::EParticleType)ispec, event->GetT0());
    if(!(fTOFsigmaCutRequired && 1 << ispec)) continue;
    SETBIT(cutRequired, kCutNsigmaTOF);
    if(track->GetOuterParam()->P() >= fMinMomentumTOF){
      if(hasTOFpid && nsigma <= fCutTOFnSigma[2*ispec] && nsigma >= fCutTOFnSigma[2*ispec+1]) 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"
10d100d4	13	#include "AliESDEvent.h"
7e1f5ba5	14	#include "AliLog.h"
10d100d4	15	#include "AliESDpid.h"
7e1f5ba5	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)
10d100d4	26	, fESDpid(NULL)
f61ab382	27	, fTPCsigmaCutRequired(0)
f61ab382	28	, fTOFsigmaCutRequired(0)
7e1f5ba5	29	, fCutTPCclusterRatio(0.)
	30	, fMinMomentumTOF(0.5)
	31	, fHcutStatistics(NULL)
	32	, fHcutCorrelation(NULL)
	33	{
	34	//
	35	// Default constructor
	36	//
	37
10d100d4	38	fESDpid = new AliESDpid;
f61ab382	39	memset(fCutTPCnSigma, 0, sizeof(Float_t) * 2);
f61ab382	40	memset(fCutTOFnSigma, 0, sizeof(Float_t) * 2);
7e1f5ba5	41
	42	memset(fHclusterRatio, 0, sizeof(TH1F ) 2);
	43	memset(fHnSigmaTPC, 0, sizeof(TH1F ) AliPID::kSPECIES * 2);
	44	memset(fHnSigmaTOF, 0, sizeof(TH1F ) AliPID::kSPECIES * 2);
	45	}
	46
	47	//_____________________________________________________________________
	48	AliESDpidCuts::AliESDpidCuts(const AliESDpidCuts &ref):
	49	AliAnalysisCuts(ref)
10d100d4	50	, fESDpid(NULL)
f61ab382	51	, fTPCsigmaCutRequired(ref.fTPCsigmaCutRequired)
f61ab382	52	, fTOFsigmaCutRequired(ref.fTOFsigmaCutRequired)
7e1f5ba5	53	, fCutTPCclusterRatio(ref.fCutTPCclusterRatio)
	54	, fMinMomentumTOF(ref.fMinMomentumTOF)
	55	, fHcutStatistics(NULL)
	56	, fHcutCorrelation(NULL)
	57	{
	58	//
	59	// Copy constructor
	60	//
10d100d4	61	fESDpid = new AliESDpid(*ref.fESDpid);
f61ab382	62	memcpy(fCutTPCnSigma, ref.fCutTPCnSigma, sizeof(Float_t) * AliPID::kSPECIES * 2);
f61ab382	63	memcpy(fCutTOFnSigma, ref.fCutTOFnSigma, sizeof(Float_t) * AliPID::kSPECIES * 2);
7e1f5ba5	64
	65	if(ref.fHcutStatistics) fHcutStatistics = dynamic_cast<TH1I *>(ref.fHcutStatistics->Clone());
	66	if(ref.fHcutCorrelation) fHcutCorrelation = dynamic_cast<TH2I *>(ref.fHcutCorrelation->Clone());
	67	for(Int_t imode = 0; imode < 2; imode++){
	68	if(ref.fHclusterRatio[imode]) fHclusterRatio[imode] = dynamic_cast<TH1F *>(ref.fHclusterRatio[imode]->Clone());
	69	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
	70	if(fHnSigmaTPC[ispec][imode]) fHnSigmaTPC[ispec][imode] = dynamic_cast<TH1F *>(fHnSigmaTPC[ispec][imode]->Clone());
	71	if(fHnSigmaTOF[ispec][imode]) fHnSigmaTOF[ispec][imode] = dynamic_cast<TH1F *>(fHnSigmaTPC[ispec][imode]->Clone());
	72	}
	73	}
	74	}
	75
	76	//_____________________________________________________________________
	77	AliESDpidCuts &AliESDpidCuts::operator=(const AliESDpidCuts &ref){
	78	//
	79	// Assignment operator
	80	//
	81	if(this != &ref)
	82	ref.Copy(*this);
	83	return *this;
	84	}
	85
	86	//_____________________________________________________________________
	87	AliESDpidCuts::~AliESDpidCuts(){
	88	//
	89	// Destructor
	90	//
10d100d4	91	delete fESDpid;
7e1f5ba5	92
	93	delete fHcutStatistics;
	94	delete fHcutCorrelation;
	95	for(Int_t imode = 0; imode < 2; imode++){
	96	delete fHclusterRatio[imode];
	97	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
	98	delete fHnSigmaTPC[ispec][imode];
	99	delete fHnSigmaTOF[ispec][imode];
	100	}
	101	}
	102	}
	103
	104	//_____________________________________________________________________
10d100d4	105	Bool_t AliESDpidCuts::IsSelected(TObject track, TObject event){
7e1f5ba5	106	//
	107	// Select Track
	108	//
10d100d4	109	if(TString(track->IsA()->GetName()).CompareTo("AliESDtrack")){
7e1f5ba5	110	Char_t errormessage[256];
10d100d4	111	sprintf(errormessage, "Provided object not an AliESDtrack: Type %s", track->IsA()->GetName());
7e1f5ba5	112	AliError(errormessage);
	113	return kFALSE;
	114	}
10d100d4	115	return AcceptTrack(const_cast<const AliESDtrack >(dynamic_cast<AliESDtrack >(track)),dynamic_cast<AliESDEvent *>(event));
7e1f5ba5	116	}
	117
	118	//_____________________________________________________________________
	119	void AliESDpidCuts::Copy(TObject &c) const {
	120	//
	121	// Copy function
	122	//
	123	AliESDpidCuts &target = dynamic_cast<AliESDpidCuts &>(c);
	124
10d100d4	125	target.fESDpid = new AliESDpid(*fESDpid);
7e1f5ba5	126
	127	target.fCutTPCclusterRatio = fCutTPCclusterRatio;
	128	target.fMinMomentumTOF = fMinMomentumTOF;
f61ab382	129
	130	target.fTPCsigmaCutRequired = fTPCsigmaCutRequired;
	131	target.fTOFsigmaCutRequired = fTOFsigmaCutRequired;
7e1f5ba5	132
	133	if(fHcutStatistics) target.fHcutStatistics = dynamic_cast<TH1I *>(fHcutStatistics->Clone());
	134	if(fHcutCorrelation) target.fHcutCorrelation = dynamic_cast<TH2I *>(fHcutCorrelation->Clone());
	135	for(Int_t imode = 0; imode < 2; imode++){
	136	if(fHclusterRatio[imode]) target.fHclusterRatio[imode] = dynamic_cast<TH1F *>(fHclusterRatio[imode]->Clone());
	137	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
	138	if(fHnSigmaTPC[ispec][imode]) target.fHnSigmaTPC[ispec][imode] = dynamic_cast<TH1F *>(fHnSigmaTPC[ispec][imode]->Clone());
	139	if(fHnSigmaTOF[ispec][imode]) target.fHnSigmaTOF[ispec][imode] = dynamic_cast<TH1F *>(fHnSigmaTOF[ispec][imode]->Clone());
	140	}
	141	}
	142
f61ab382	143	memcpy(target.fCutTPCnSigma, fCutTPCnSigma, sizeof(Float_t) * AliPID::kSPECIES * 2);
7e1f5ba5	144	memcpy(target.fCutTOFnSigma, fCutTOFnSigma, sizeof(Float_t) * AliPID::kSPECIES);
	145
	146	AliESDpidCuts::Copy(c);
	147	}
	148
	149	//_____________________________________________________________________
	150	Long64_t AliESDpidCuts::Merge(TCollection *coll){
	151	//
	152	// Merge Cut objects
	153	//
	154	if(coll) return 0;
	155	if(coll->IsEmpty()) return 1;
	156	if(!HasHistograms()) return 0;
	157
	158	TIterator *iter = coll->MakeIterator();
	159	TObject *o = NULL;
	160	AliESDpidCuts *ref = NULL;
	161	Int_t counter = 0;
	162	while((o = iter->Next())){
	163	ref = dynamic_cast<AliESDpidCuts *>(o);
	164	if(!ref) continue;
	165	if(!ref->HasHistograms()) continue;
	166
	167	fHcutStatistics->Add(ref->fHcutStatistics);
	168	fHcutCorrelation->Add(ref->fHcutCorrelation);
	169	for(Int_t imode = 0; imode < 2; imode++){
	170	fHclusterRatio[imode]->Add(ref->fHclusterRatio[imode]);
	171	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
	172	fHnSigmaTPC[ispec][imode]->Add(ref->fHnSigmaTPC[ispec][imode]);
	173	fHnSigmaTOF[ispec][imode]->Add(ref->fHnSigmaTOF[ispec][imode]);
	174	}
	175	}
	176	++counter;
	177	}
	178	return ++counter;
	179	}
	180
	181	//_____________________________________________________________________
	182	void AliESDpidCuts::DefineHistograms(Color_t color){
	183	//
	184	// Swich on QA and create the histograms
	185	//
	186	SetBit(kHasHistograms, kTRUE);
	187	fHcutStatistics = new TH1I("fHcutStatistics", "Cut Statistics", kNcuts, 0, kNcuts);
	188	fHcutStatistics->SetLineColor(color);
	189	fHcutCorrelation = new TH2I("fHcutCorrelation", "Cut Correlation", kNcuts, 0, kNcuts, kNcuts, 0, kNcuts);
	190	TString cutname[kNcuts] = {"TPCclusterRatio", "TPC sigma", "TOF sigma"};
	191	for(Int_t icut = 0; icut < kNcuts; icut++){
	192	fHcutStatistics->GetXaxis()->SetBinLabel(fHcutStatistics->GetXaxis()->GetFirst() + icut, cutname[icut].Data());
	193	fHcutCorrelation->GetXaxis()->SetBinLabel(fHcutCorrelation->GetXaxis()->GetFirst() + icut, cutname[icut].Data());
	194	fHcutCorrelation->GetYaxis()->SetBinLabel(fHcutCorrelation->GetYaxis()->GetFirst() + icut, cutname[icut].Data());
	195	}
	196	Char_t hname[256], htitle[256];
	197	for(Int_t imode = 0; imode < 2; imode++){
	198	sprintf(hname, "fHclusterRatio%s", imode ? "After" : "Before");
	199	sprintf(htitle, "TPC cluster Ratio %s cuts;Ratio;Entries", imode ? "after" : "before");
	200	fHclusterRatio[imode] = new TH1F(hname, htitle, 20, 0., 1.);
	201	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
	202	sprintf(hname, "fHnSigma%sTPC%s", AliPID::ParticleName(ispec), imode ? "after" : "before");
	203	sprintf(htitle, "TPC sigma for %s %s cuts;sigma;Entries", AliPID::ParticleName(ispec), imode ? "after" : "before");
	204	fHnSigmaTPC[ispec][imode] = new TH1F(hname, htitle, 200, -10., 10.);
	205	sprintf(hname, "fHnSigma%sTOF%s", AliPID::ParticleName(ispec), imode ? "after" : "before");
	206	sprintf(htitle, "TOF sigma for %s %s cuts;sigma;Entries", AliPID::ParticleName(ispec), imode ? "after" : "before");
	207	fHnSigmaTOF[ispec][imode] = new TH1F(hname, htitle, 200, -10., 10.);
208	}
209	}
210	}
211
212	//_____________________________________________________________________
10d100d4	213	Bool_t AliESDpidCuts::AcceptTrack(const AliESDtrack track, const AliESDEvent event){
7e1f5ba5	214	//
	215	// Check whether the tracks survived the cuts
	216	//
	217	enum{
	218	kCutClusterRatioTPC,
	219	kCutNsigmaTPC,
	220	kCutNsigmaTOF
	221	};
	222	Long64_t cutRequired=0, cutFullfiled = 0;
10d100d4	223	if(fTOFsigmaCutRequired && event == 0)
10d100d4	224	AliError("No event pointer. Need event pointer for T0 for TOF cut");
7e1f5ba5	225	Double_t clusterRatio = track->GetTPCNclsF() ? static_cast<Float_t>(track->GetTPCNcls())/static_cast<Float_t>(track->GetTPCNclsF()) : 1.;
	226	if(fCutTPCclusterRatio > 0.){
	227	SETBIT(cutRequired, kCutClusterRatioTPC);
	228	if(clusterRatio >= fCutTPCclusterRatio)
	229	SETBIT(cutFullfiled, kCutClusterRatioTPC);
	230	}
	231	// check TPC nSigma cut
f61ab382	232	Float_t nsigmaTPC[AliPID::kSPECIES], nsigma; // need all sigmas for QA plotting
7e1f5ba5	233	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
10d100d4	234	nsigmaTPC[ispec] = nsigma = fESDpid->NumberOfSigmasTPC(track,(AliPID::EParticleType)ispec);
f61ab382	235	if(!(fTPCsigmaCutRequired & 1 << ispec)) continue;
7e1f5ba5	236	SETBIT(cutRequired, kCutNsigmaTPC); // We found at least one species where the n-Sigma Cut is required
f61ab382	237	if(nsigma >= fCutTPCnSigma[2ispec] && nsigma <= fCutTPCnSigma[2ispec+1]) SETBIT(cutFullfiled, kCutNsigmaTPC); // Fullfiled for at least one species
7e1f5ba5	238	}
	239	// check TOF nSigma cut
	240	Float_t nsigmaTOF[AliPID::kSPECIES]; // see above
	241	Bool_t hasTOFpid = track->GetStatus() & AliESDtrack::kTOFpid; // only apply TOF n-sigma cut when PID Status Bit is set
10d100d4	242	Double_t times[AliPID::kSPECIES];
10d100d4	243	track->GetIntegratedTimes(times);
7e1f5ba5	244	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
10d100d4	245
10d100d4	246	if(hasTOFpid) nsigmaTOF[ispec] = nsigma = fESDpid->NumberOfSigmasTOF(track,(AliPID::EParticleType)ispec, event->GetT0());
f61ab382	247	if(!(fTOFsigmaCutRequired && 1 << ispec)) continue;
7e1f5ba5	248	SETBIT(cutRequired, kCutNsigmaTOF);
7e1f5ba5	249	if(track->GetOuterParam()->P() >= fMinMomentumTOF){
f61ab382	250	if(hasTOFpid && nsigma <= fCutTOFnSigma[2ispec] && nsigma >= fCutTOFnSigma[2ispec+1]) SETBIT(cutFullfiled, kCutNsigmaTOF);
7e1f5ba5	251	}
	252	}
	253
	254	// Fill Histograms before cuts
	255	if(HasHistograms()){
	256	fHclusterRatio[0]->Fill(clusterRatio);
	257	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
	258	fHnSigmaTPC[ispec][0]->Fill(nsigmaTPC[ispec]);
	259	if(hasTOFpid) fHnSigmaTOF[ispec][0]->Fill(nsigmaTOF[ispec]);
	260	}
	261	}
	262	if(cutRequired != cutFullfiled){
	263	// Fill cut statistics
	264	if(HasHistograms()){
	265	for(Int_t icut = 0; icut < kNcuts; icut++){
	266	if(TESTBIT(cutRequired, icut) && !TESTBIT(cutFullfiled, icut)){
	267	// cut not fullfiled
	268	fHcutStatistics->Fill(icut);
	269	for(Int_t jcut = 0; jcut <= icut; jcut++)
	270	if(TESTBIT(cutRequired, jcut) && !TESTBIT(cutFullfiled, jcut)) fHcutCorrelation->Fill(jcut, icut);
	271	}
	272	}
	273	}
	274	return kFALSE; // At least one cut is not fullfiled
	275	}
	276
	277	// Fill Histograms after cuts
	278	if(HasHistograms()){
	279	fHclusterRatio[1]->Fill(clusterRatio);
	280	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
	281	fHnSigmaTPC[ispec][1]->Fill(nsigmaTPC[ispec]);
	282	if(hasTOFpid) fHnSigmaTOF[ispec][1]->Fill(nsigmaTOF[ispec]);
	283	}
	284	}
	285
	286	return kTRUE;
	287	}
	288
	289	//_____________________________________________________________________
	290	void AliESDpidCuts::SaveHistograms(const Char_t * location){
	291	//
	292	// Save the histograms to a file
	293	//
	294	if(!HasHistograms()){
	295	AliError("Histograms not on - Exiting");
	296	return;
	297	}
	298	if(!location) location = GetName();
	299	gDirectory->mkdir(location);
	300	gDirectory->cd(location);
	301	fHcutStatistics->Write();
	302	fHcutCorrelation->Write();
	303
	304	gDirectory->mkdir("before_cuts");
	305	gDirectory->mkdir("after_cuts");
	306
	307	gDirectory->cd("before_cuts");
	308	fHclusterRatio[0]->Write();
	309	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
	310	fHnSigmaTPC[ispec][0]->Write();
	311	fHnSigmaTOF[ispec][0]->Write();
	312	}
	313
	314	gDirectory->cd("../after_cuts");
315	fHclusterRatio[1]->Write();
316	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
317	fHnSigmaTPC[ispec][1]->Write();
318	fHnSigmaTOF[ispec][1]->Write();
319	}
320
321	gDirectory->cd("..");
322	}
323
324	//_____________________________________________________________________
325	void AliESDpidCuts::DrawHistograms(){
326	//
327	// Draw the Histograms
328	//
329	TCanvas *stat = new TCanvas("cutStat", "Cut Statistics", 640, 480);
330	stat->cd();
331	fHcutStatistics->SetStats(kFALSE);
332	fHcutStatistics->Draw();
333	stat->SaveAs(Form("%s_%s.gif", GetName(), stat->GetName()));
334
335	TCanvas *correl = new TCanvas("cutCorrelation", "Cut Correlation", 640, 480);
336	correl->cd();
337	fHcutCorrelation->SetStats(kFALSE);
338	fHcutCorrelation->Draw("colz");
339	correl->SaveAs(Form("%s_%s.gif", GetName(), correl->GetName()));
340
341	TCanvas *cRatio = new TCanvas("ClusterRatioTPC", "TPC cluster Ratio", 640, 480);
342	cRatio->cd();
343	fHclusterRatio[0]->SetLineColor(kRed);
344	fHclusterRatio[0]->SetStats(kFALSE);
345	fHclusterRatio[0]->Draw();
346	fHclusterRatio[1]->SetLineColor(kBlue);
347	fHclusterRatio[1]->SetStats(kFALSE);
348	fHclusterRatio[1]->Draw("same");
349	cRatio->SaveAs(Form("%s_%s.gif", GetName(), cRatio->GetName()));
350
351	TCanvas *cNsigTPC = new TCanvas("NsigmaTPC", "TPC n-sigma", 640, 480);
352	cNsigTPC->Divide(3,2);
353	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
354	cNsigTPC->cd(ispec + 1);
355	fHnSigmaTPC[ispec][0]->SetLineColor(kRed);
356	fHnSigmaTPC[ispec][0]->SetStats(kFALSE);
357	fHnSigmaTPC[ispec][0]->Draw();
358	fHnSigmaTPC[ispec][1]->SetLineColor(kBlue);
359	fHnSigmaTPC[ispec][1]->SetStats(kFALSE);
360	fHnSigmaTPC[ispec][1]->Draw("same");
361	}
362	cNsigTPC->SaveAs(Form("%s_%s.gif", GetName(), cNsigTPC->GetName()));
363
364	TCanvas *cNsigTOF = new TCanvas("NsigmaTOF", "TOF n-sigma", 640, 480);
365	cNsigTOF->Divide(3,2);
366	for(Int_t ispec = 0; ispec < AliPID::kSPECIES; ispec++){
367	cNsigTOF->cd(ispec + 1);
368	fHnSigmaTOF[ispec][0]->SetLineColor(kRed);
369	fHnSigmaTOF[ispec][0]->SetStats(kFALSE);
370	fHnSigmaTOF[ispec][0]->Draw();
371	fHnSigmaTOF[ispec][1]->SetLineColor(kBlue);
372	fHnSigmaTOF[ispec][1]->SetStats(kFALSE);
373	fHnSigmaTOF[ispec][1]->Draw("same");
374	}
375	cNsigTOF->SaveAs(Form("%s_%s.gif", GetName(), cNsigTOF->GetName()));
376	}
377