ANALYSIS/AliEPSelectionTask.h

   1 #ifndef AliEPSELECTIONTASK_H
   2 #define AliEPSELECTIONTASK_H
   3
   4 /* Copyright(c) 1998-2008, ALICE Experiment at CERN, All rights reserved. *
   5  * See cxx source for full Copyright notice                               */
   6
   7 //*****************************************************
   8 //   Class AliEPSelectionTask
   9 //   author: Alberica Toia, Johanna Gramling
  10 //*****************************************************
  11
  12 #include "AliAnalysisTaskSE.h"
  13
  14 class TFile;
  15 class TH1F;
  16 class TH2F;
  17 class TList;
  18 class TString;
  19 class TVector2;
  20
  21 class AliESDEvent;
  22 class AliESDtrackCuts;
  23 class AliESDtrack;
  24 class AliEventplane;
  25 class AliOADBContainer;
  26 class AliVTrack;
  27 class THnSparse;
  28
  29 class AliEPSelectionTask : public AliAnalysisTaskSE {
  30
  31  public:
  32
  33   enum ResoMethod{kRandom,kEta,kCharge};
  34
  35   AliEPSelectionTask();
  36   AliEPSelectionTask(const char *name);
  37   virtual ~AliEPSelectionTask();
  38
  39   // Implementation of interface methods
  40   virtual void UserCreateOutputObjects();
  41   virtual void UserExec(Option_t *option);
  42   virtual void Terminate(Option_t *option);
  43
  44   TVector2 GetQ(AliEventplane* EP, TObjArray* event);
  45   void GetQsub(TVector2& Qsub1, TVector2& Qsub2, TObjArray* event,AliEventplane* EP);
  46   Double_t GetWeight(TObject* track1);
  47   Double_t GetPhiWeight(TObject* track1);
  48
  49   virtual void  SetDebugLevel(Int_t level)   {fDebug = level;}
  50   void SetInput(const char* input)           {fAnalysisInput = input;}
  51   void SetUseMCRP()                          {fUseMCRP = kTRUE;}
  52   void SetUsePhiWeight(Bool_t usephi = kTRUE){fUsePhiWeight = usephi;}
  53   void SetUsePtWeight()                      {fUsePtWeight = kTRUE;}
  54   void SetSaveTrackContribution()            {fSaveTrackContribution = kTRUE;}
  55   void SetTrackType(TString tracktype);
  56   void SetPhiDist();
  57   void SetPersonalESDtrackCuts(AliESDtrackCuts* trackcuts);
  58   void SetPersonalAODtrackCuts(UInt_t filterbit = 1, Float_t etalow = -0.8, Float_t etaup = 0.8, Float_t ptlow = 0.15, Float_t ptup = 20., Int_t ntpc = 50);
  59   void SetPersonalPhiDistribution(const char* filename, char* listname);
  60   void SetEtaGap(Float_t etagap)             {fEtaGap = etagap;}
  61   void SetSubeventsSplitMethod(Int_t method) {fSplitMethod = method;}
  62
  63  private:
  64
  65   AliEPSelectionTask(const AliEPSelectionTask& ep);
  66   AliEPSelectionTask& operator= (const AliEPSelectionTask& ep);
  67
  68   TObjArray* GetAODTracksAndMaxID(AliAODEvent* aod, Int_t& maxid);
  69   void SetOADBandPeriod();
  70   TH1F* SelectPhiDist(AliVTrack *track);
  71   TObjArray* GetTracksForLHC11h(AliESDEvent* esd);
  72
  73   TString  fAnalysisInput;              // "ESD", "AOD"
  74   TString  fTrackType;                  // "GLOBAL", "TPC"
  75   TString  fPeriod;                     // "LHC11h","LHC10h"
  76   Bool_t   fUseMCRP;                    // i.e. usable for Therminator, when MC RP is provided
  77   Bool_t   fUsePhiWeight;               // use of phi weights
  78   Bool_t   fUsePtWeight;                // use of pT weights
  79   Bool_t   fSaveTrackContribution;      // storage of contribution of each track to Q-Vector
  80   Bool_t   fUserphidist;                // bool, if personal phi distribution should be used
  81   Bool_t   fUsercuts;                   // bool, if personal cuts should be used
  82   Int_t    fRunNumber;                  // runnumber
  83   UInt_t   fAODfilterbit;               // AOD filter bit for AOD track selection
  84   Float_t  fEtaGap;                     // Eta Gap between Subevent A and B
  85   Int_t    fSplitMethod;                // Splitting Method for subevents
  86
  87
  88   AliESDtrackCuts* fESDtrackCuts;       // track cuts
  89
  90   AliOADBContainer* fEPContainer;       //! OADB Container
  91   TH1F*  fPhiDist[4];                   // array of Phi distributions used to calculate phi weights
  92   THnSparse *fSparseDist;               //! THn for eta-charge phi-weighting
  93   TH1F *fHruns;                         // information about runwise statistics of phi-weights
  94
  95   TVector2* fQVector;                   //! Q-Vector of the event
  96   Double_t* fQContributionX;            //! array of the tracks' contributions to X component of Q-Vector - index = track ID
  97   Double_t* fQContributionY;            //! array of the tracks' contributions to Y component of Q-Vector - index = track ID
  98   Double_t  fEventplaneQ;               //! Event plane angle from Q-Vector
  99   TVector2* fQsub1;                     //! Q-Vector of sub-event 1
 100   TVector2* fQsub2;                     //! Q-Vector of sub-event 2
 101   Double_t  fQsubRes;                   //! Difference of EP angles of subevents
 102
 103   TList* fOutputList;                   // Output histograms
 104   TH1F*  fHOutEventplaneQ;              //! control histogram: Event Plane angle
 105   TH1F*  fHOutPhi;                      //! control histogram: original phi distribution
 106   TH1F*  fHOutPhiCorr;                  //! control histogram: corrected phi distribution
 107   TH2F*  fHOutsub1sub2;                 //! control histogram: correlation of EP from subevents
 108   TH2F*  fHOutNTEPRes;                  //! control histogram: Difference of EP angles of subevents vs Nch
 109   TH2F*  fHOutPTPsi;                    //! control histogram: Difference of EP angle and emission angle of track vs track pT
 110   TH2F*  fHOutDiff;                     //! control histogram: Difference of MC RP and EP - only filled if fUseMCRP is true!
 111   TH2F*  fHOutleadPTPsi;                //! control histogram: emission angle of leading pT track vs EP angle
 112
 113   ClassDef(AliEPSelectionTask,4);
 114 };
 115
 116 #endif
 117