PWGGA/GammaConv/ConvCorrelations/AliAnaConvCorrPion.cxx

   1 /**************************************************************************
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   3  * ALICE Experiment at CERN, All rights reserved.                         *
   4  *                                                                        *
   5  * Primary Author: Svein Lindal <slindal@fys.uio.no>                      *
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  15
  16 /// @file   AliAnaConvCorrPion.cxx
  17 /// @author Svein Lindal
  18 /// @brief  Class used to run conversion gamma/pion - hadron/jet analysis
  19
  20
  21
  22 #include "TH2D.h"
  23 #include "AliAnaConvCorrPion.h"
  24 //#include "AliAODTrack.h"
  25 #include "TClonesArray.h"
  26 #include "AliAODConversionParticle.h"
  27 //#include "AliAODConversionMother.h"
  28 //#include "AliAODConversionPhoton.h"
  29 //#include "THnSparse.h"
  30 //#include "TH2F.h"
  31
  32 #include <iostream>
  33
  34
  35 using namespace std;
  36 ClassImp(AliAnaConvCorrPion)
  37
  38 //________________________________________________________________________________
  39 AliAnaConvCorrPion::AliAnaConvCorrPion() :
  40 AliAnaConvCorrBase("pion_hadron_corr", "Pion dPhi"),
  41 //hTriggerPtvsMass(NULL),
  42   fAxisM()
  43 {
  44   //consctructor
  45   InitMassAxis();
  46 }
  47 //________________________________________________________________________________
  48 AliAnaConvCorrPion::AliAnaConvCorrPion(TString name, TString title = "Pion Corr") :
  49   AliAnaConvCorrBase(name, title),
  50   //hTriggerPtvsMass(NULL),
  51   fAxisM()
  52 {
  53   //consctructor
  54   InitMassAxis();
  55 }
  56
  57
  58 //________________________________________________________________________________
  59 AliAnaConvCorrPion::~AliAnaConvCorrPion() {
  60   //destructor
  61 }
  62
  63 //________________________________________________________________________________
  64 void AliAnaConvCorrPion::InitMassAxis() {
  65   //Init mass axis
  66
  67   Double_t mbins[7] = {0.1, 0.11, 0.12, 0.15, 0.16, 0.18, 0.2};
  68   fAxisM.Set(6, mbins);
  69   fAxisM.SetNameTitle("InvMass", "invariant mass");
  70   GetAxisList().AddAt(&fAxisM, 5);
  71   GetTrackAxisList().AddAt(&fAxisM, 5);
  72   GetTrigAxisList().AddAt(&fAxisM, 4);
  73 }
  74
  75 ///________________________________________________________________________________
  76 void AliAnaConvCorrPion::CreateHistograms() {
  77   //Create histograms
  78   CreateBaseHistograms();
  79
  80   hTriggerPtvsMass[0] = new TH2D("hTriggerPtvsMass_all", "Pt vs Mass all pizero", 400, 0, .400, GetAxistPt().GetNbins(), GetAxistPt().GetXbins()->GetArray());
  81   hTriggerPtvsMass[1] = new TH2D("hTriggerPtvsMass_leadingcone", "Pt vs Mass leading cone", 400, 0, .400, GetAxistPt().GetNbins(), GetAxistPt().GetXbins()->GetArray());
  82   hTriggerPtvsMass[2] = new TH2D("hTriggerPtvsMass_leadingevent", "Pt vs Mass leading event", 400, 0, .400, GetAxistPt().GetNbins(), GetAxistPt().GetXbins()->GetArray());
  83   GetHistograms()->Add(hTriggerPtvsMass[0]);
  84   GetHistograms()->Add(hTriggerPtvsMass[1]);
  85   GetHistograms()->Add(hTriggerPtvsMass[2]);
  86 }
  87
  88
  89 ///________________________________________________________________________________
  90 void AliAnaConvCorrPion::FillTriggerCounters(const AliAODConversionParticle * particle, Int_t leading) {
  91   //Fill histograms counting triggers
  92   fHNTriggers[leading]->Fill(particle->Pt());
  93   hTriggerPtvsMass[leading]->Fill(particle->M(), particle->Pt());
  94 }
  95
  96 //________________________________________________________________________________
  97 // void AliAnaConvCorrPion::Process(TClonesArray * pions, TClonesArray * photons, TClonesArray * tracks) {
  98
  99 //   for(Int_t ip = 0; ip < pions->GetEntriesFast(); ip++) {
 100
 101 //      AliAODConversionParticle * pion = static_cast<AliAODConversionParticle*>(pions->UncheckedAt(ip));
 102
 103 //      Int_t tIDs[4] = {-1, -1, -1, -1};
 104 //      AliAODConversionParticle * photon1 = static_cast<AliAODConversionParticle*>(photons->UncheckedAt(pion->GetLabel(0)));
 105 //      tIDs[0] =  photon1->GetLabel(0);
 106 //      tIDs[1] =  photon1->GetLabel(1);
 107 //      AliAODConversionParticle * photon2 = static_cast<AliAODConversionParticle*>(photons->UncheckedAt(pion->GetLabel(1)));
 108 //      tIDs[2] =  photon2->GetLabel(0);
 109 //      tIDs[3] =  photon2->GetLabel(1);
 110
 111 //      CorrelateWithTracks(static_cast<AliAODConversionParticle*>(pion), tracks, tIDs, kFALSE);
 112 //   }
 113 // }
 114