PWG/EMCAL/AliAnalysisTaskEmcal.h

   1 #ifndef ALIANALYSISTASKEMCAL_H
   2 #define ALIANALYSISTASKEMCAL_H
   3
   4 // $Id: AliAnalysisTaskEmcal.h 64518 2013-10-14 12:44:52Z loizides $
   5
   6 class TClonesArray;
   7 class TString;
   8 class TList;
   9 class AliEmcalParticle;
  10 class AliMCParticle;
  11 class AliVCluster;
  12 class AliVTrack;
  13 class AliVParticle;
  14 class AliVCaloCells;
  15 class TH1;
  16 class TProfile;
  17 class AliEMCALGeometry;
  18 class AliParticleContainer;
  19 class AliClusterContainer;
  20 class AliGenPythiaEventHeader;
  21 class AliVCaloTrigger;
  22 class AliAnalysisUtils;
  23 class AliEmcalTriggerPatchInfo;
  24
  25 #include "Rtypes.h"
  26
  27 #include "AliAnalysisTaskSE.h"
  28
  29 class AliAnalysisTaskEmcal : public AliAnalysisTaskSE {
  30  public:
  31
  32   enum BeamType {
  33     kNA       = -1,
  34     kpp       = 0,
  35     kAA       = 1,
  36     kpA       = 2
  37   };
  38
  39   enum TriggerType {
  40     kND       = -1,  //not defined
  41     kJ1       = 0,
  42     kJ2       = 1,
  43     kG1           = 2,
  44     kG2           = 3,
  45     kNType    = 4
  46   };
  47
  48   AliAnalysisTaskEmcal();
  49   AliAnalysisTaskEmcal(const char *name, Bool_t histo=kFALSE);
  50   virtual ~AliAnalysisTaskEmcal();
  51
  52   AliParticleContainer       *AddParticleContainer(const char *n);
  53   AliClusterContainer        *AddClusterContainer(const char *n);
  54   AliParticleContainer       *GetParticleContainer(Int_t i=0)         const;
  55   AliClusterContainer        *GetClusterContainer(Int_t i=0)          const;
  56   AliParticleContainer       *GetParticleContainer(const char* name)  const;
  57   AliClusterContainer        *GetClusterContainer(const char* name)   const;
  58   void                        RemoveParticleContainer(Int_t i=0)                    { fParticleCollArray.RemoveAt(i)                      ; }
  59   void                        RemoveClusterContainer(Int_t i=0)                     { fClusterCollArray.RemoveAt(i)                       ; }
  60   void                        SetCaloCellsName(const char *n)                       { fCaloCellsName     = n                              ; }
  61   void                        SetCaloTriggerPatchInfoName(const char *n)            { fCaloTriggerPatchInfoName = n                       ; }
  62   void                        SetCaloTriggersName(const char *n)                    { fCaloTriggersName  = n                              ; }
  63   void                        SetCentRange(Double_t min, Double_t max)              { fMinCent           = min  ; fMaxCent = max          ; }
  64   void                        SetCentralityEstimator(const char *c)                 { fCentEst           = c                              ; }
  65   void                        SetClusName(const char *n)                            { AddClusterContainer(n)                              ; }
  66   void                        SetClusPtCut(Double_t cut, Int_t c=0);
  67   void                        SetClusTimeCut(Double_t min, Double_t max, Int_t c=0);
  68   void                        SetEventPlaneVsEmcal(Double_t ep)                     { fEventPlaneVsEmcal = ep                             ; }
  69   void                        SetForceBeamType(BeamType f)                          { fForceBeamType     = f                              ; }
  70   void                        SetHistoBins(Int_t nbins, Double_t min, Double_t max) { fNbins = nbins; fMinBinPt = min; fMaxBinPt = max    ; }
  71   void                        SetIsEmbedded(Bool_t i)                               { fIsEmbedded        = i                              ; }
  72   void                        SetIsPythia(Bool_t i)                                 { fIsPythia          = i                              ; }
  73   void                        SetMCLabelShift(Int_t s)                              { fMCLabelShift      = s                              ; }
  74   void                        SetMinMCLabel(Int_t s)                                { fMinMCLabel        = s                              ; }
  75   void                        SetMinNTrack(Int_t min)                               { fMinNTrack         = min                            ; }
  76   void                        SetMinPtTrackInEmcal(Double_t min)                    { fMinPtTrackInEmcal = min                            ; }
  77   void                        SetNCentBins(Int_t n)                                 { fNcentBins         = n                              ; }
  78   void                        SetNeedEmcalGeom(Bool_t n)                            { fNeedEmcalGeom     = n                              ; }
  79   void                        SetOffTrigger(UInt_t t)                               { fOffTrigger        = t                              ; }
  80   void                        SetTrackEtaLimits(Double_t min, Double_t max, Int_t c=0);
  81   void                        SetTrackPhiLimits(Double_t min, Double_t max, Int_t c=0);
  82   void                        SetTrackPtCut(Double_t cut, Int_t c=0);
  83   void                        SetTracksName(const char *n)                          { AddParticleContainer(n)                             ; }
  84   void                        SetTrigClass(const char *n)                           { fTrigClass         = n                              ; }
  85   void                        SetTriggerTypeSel(TriggerType t)                      { fTriggerTypeSel    = t                              ; }
  86   void                        SetUseAliAnaUtils(Bool_t b, Bool_t bRejPilup = kTRUE) { fUseAliAnaUtils    = b ; fRejectPileup = bRejPilup  ; }
  87   void                        SetVzRange(Double_t min, Double_t max)                { fMinVz             = min  ; fMaxVz   = max          ; }
  88
  89  protected:
  90   void                        SetRejectionReasonLabels(TAxis* axis);
  91   Double_t*                   GenerateFixedBinArray(Int_t n, Double_t min, Double_t max) const;
  92   void                        GenerateFixedBinArray(Int_t n, Double_t min, Double_t max, Double_t* array) const;
  93   void                        SetMakeGeneralHistograms(Bool_t g)                    { fGeneralHistograms = g                              ; }
  94   Bool_t                      AcceptCluster(AliVCluster *clus, Int_t c = 0)      const;
  95   Bool_t                      AcceptTrack(AliVParticle *track, Int_t c = 0)      const;
  96   void                        AddObjectToEvent(TObject *obj);
  97   AliVParticle               *GetAcceptParticleFromArray(Int_t p, Int_t c=0)     const;
  98   AliVCluster                *GetAcceptClusterFromArray(Int_t cl, Int_t c=0)     const;
  99   TClonesArray               *GetArrayFromEvent(const char *name, const char *clname=0);
 100   BeamType                    GetBeamType();
 101   TClonesArray               *GetParticleArray(Int_t i=0)                        const;
 102   TClonesArray               *GetClusterArray(Int_t i=0)                         const;
 103   Int_t                       GetNParticles(Int_t i=0)                           const;
 104   Int_t                       GetNClusters(Int_t i=0)                            const;
 105   AliEmcalTriggerPatchInfo   *GetMainTriggerPatch();
 106   Bool_t                                          HasTriggerType(TriggerType);
 107   ULong_t                                         GetTriggerList();
 108   Bool_t                      PythiaInfoFromFile(const char* currFile, Float_t &fXsec, Float_t &fTrials, Int_t &pthard);
 109   void                        UserCreateOutputObjects();
 110   void                        UserExec(Option_t *option);
 111   Bool_t                      UserNotify();
 112
 113   // Virtual functions, to be overloaded in derived classes
 114   virtual void                ExecOnce();
 115   virtual Bool_t              FillGeneralHistograms();
 116   virtual Bool_t              IsEventSelected();
 117   virtual Bool_t              RetrieveEventObjects();
 118   virtual Bool_t              FillHistograms()                                     { return kTRUE                 ; }
 119   virtual Bool_t              Run()                                                { return kTRUE                 ; }
 120
 121   BeamType                    fForceBeamType;              // forced beam type
 122   Bool_t                      fGeneralHistograms;          // whether or not it should fill some general histograms
 123   Bool_t                      fInitialized;                // whether or not the task has been already initialized
 124   Bool_t                      fCreateHisto;                // whether or not create histograms
 125   TString                     fCaloCellsName;              // name of calo cell collection
 126   TString                     fCaloTriggersName;           // name of calo triggers collection
 127   TString                     fCaloTriggerPatchInfoName;   // trigger patch info array name
 128   Double_t                    fMinCent;                    // min centrality for event selection
 129   Double_t                    fMaxCent;                    // max centrality for event selection
 130   Double_t                    fMinVz;                      // min vertex for event selection
 131   Double_t                    fMaxVz;                      // max vertex for event selection
 132   Double_t                    fTrackPtCut;                 // cut on track pt in event selection
 133   Int_t                       fMinNTrack;                  // minimum nr of tracks in event with pT>fTrackPtCut
 134   Bool_t                      fUseAliAnaUtils;             // used for LHC13* data: z-vtx, Ncontributors, z-vtx resolution cuts
 135   Bool_t                      fRejectPileup;               // Reject pilup using function AliAnalysisUtils::IsPileUpEvent()
 136   AliAnalysisUtils           *fAliAnalysisUtils;           //! vertex selection (optional)
 137   UInt_t                      fOffTrigger;                 // offline trigger for event selection
 138   TString                     fTrigClass;                  // trigger class name for event selection
 139   TriggerType                 fTriggerTypeSel;             // trigger type to select based on trigger patches
 140   Int_t                       fNbins;                      // no. of pt bins
 141   Double_t                    fMinBinPt;                   // min pt in histograms
 142   Double_t                    fMaxBinPt;                   // max pt in histograms
 143   Double_t                    fMinPtTrackInEmcal;          // min pt track in emcal
 144   Double_t                    fEventPlaneVsEmcal;          // select events which have a certain event plane wrt the emcal
 145   Double_t                    fMinEventPlane;              // minimum event plane value
 146   Double_t                    fMaxEventPlane;              // maximum event plane value
 147   TString                     fCentEst;                    // name of V0 centrality estimator
 148   Bool_t                      fIsEmbedded;                 // trigger, embedded signal
 149   Bool_t                      fIsPythia;                   // trigger, if it is a PYTHIA production
 150   Int_t                       fSelectPtHardBin;            // select one pt hard bin for analysis
 151   Int_t                       fMinMCLabel;                 // minimum MC label value for the tracks/clusters being considered MC particles
 152   Int_t                       fMCLabelShift;               // if MC label > fMCLabelShift, MC label -= fMCLabelShift
 153   Int_t                       fNcentBins;                  // how many centrality bins
 154   Bool_t                      fNeedEmcalGeom;              // whether or not the task needs the emcal geometry
 155   Bool_t                      fIsEsd;                      //!whether it's an ESD analysis
 156   AliEMCALGeometry           *fGeom;                       //!emcal geometry
 157   TClonesArray               *fTracks;                     //!tracks
 158   TClonesArray               *fCaloClusters;               //!clusters
 159   AliVCaloCells              *fCaloCells;                  //!cells
 160   AliVCaloTrigger            *fCaloTriggers;               //!calo triggers
 161   TClonesArray               *fTriggerPatchInfo;           //!trigger patch info array
 162   Double_t                    fCent;                       //!event centrality
 163   Int_t                       fCentBin;                    //!event centrality bin
 164   Double_t                    fEPV0;                       //!event plane V0
 165   Double_t                    fEPV0A;                      //!event plane V0A
 166   Double_t                    fEPV0C;                      //!event plane V0C
 167   Double_t                    fVertex[3];                  //!event vertex
 168   Int_t                       fNVertCont;                  //!event vertex number of contributors
 169   BeamType                    fBeamType;                   //!event beam type
 170   AliGenPythiaEventHeader    *fPythiaHeader;               //!event Pythia header
 171   Double_t                    fPtHard;                     //!event pt hard
 172   Int_t                       fPtHardBin;                  //!event pt hard bin
 173   Int_t                       fNTrials;                    //!event trials
 174   Float_t                     fXsection;                   //!x-section from pythia header
 175   TObjArray                   fParticleCollArray;          // particle/track collection array
 176   TObjArray                   fClusterCollArray;           // cluster collection array
 177   AliEmcalTriggerPatchInfo   *fMainTriggerPatch;           // main trigger patch, will be cached after calling GetMainTriggerPatch() first time
 178   ULong_t                     fTriggers;                   // list of fired triggers
 179
 180   TList                      *fOutput;                     //!output list
 181   TH1                        *fHistEventCount;             //!incoming and selected events
 182   TH1                        *fHistTrialsAfterSel;         //!total number of trials per pt hard bin after selection
 183   TH1                        *fHistEventsAfterSel;         //!total number of events per pt hard bin after selection
 184   TProfile                   *fHistXsectionAfterSel;       //!x section from pythia header
 185   TH1                        *fHistTrials;                 //!trials from pyxsec.root
 186   TH1                        *fHistEvents;                 //!total number of events per pt hard bin
 187   TProfile                   *fHistXsection;               //!x section from pyxsec.root
 188   TH1                        *fHistPtHard;                 //!pt hard distribution
 189   TH1                        *fHistCentrality;             //!event centrality distribution
 190   TH1                        *fHistZVertex;                //!z vertex position
 191   TH1                        *fHistEventPlane;             //!event plane distribution
 192   TH1                        *fHistEventRejection;         //!book keep reasons for rejecting event
 193
 194  private:
 195   AliAnalysisTaskEmcal(const AliAnalysisTaskEmcal&);            // not implemented
 196   AliAnalysisTaskEmcal &operator=(const AliAnalysisTaskEmcal&); // not implemented
 197
 198   ClassDef(AliAnalysisTaskEmcal, 11) // EMCAL base analysis task
 199 };
 200 #endif