PWGJE/EMCALJetTasks/AliEmcalJetTask.h

   1 #ifndef ALIEMCALJETTASK_H
   2 #define ALIEMCALJETTASK_H
   3
   4 class TClonesArray;
   5 class AliVEvent;
   6 class AliRhoParameter;
   7
   8 namespace fastjet {
   9   class PseudoJet;
  10 }
  11
  12 #include "AliLog.h"
  13 #include "AliAnalysisTaskSE.h"
  14 #include "AliFJWrapper.h"
  15 #include "AliAODMCParticle.h"
  16
  17 class AliEmcalJetTask : public AliAnalysisTaskSE {
  18  public:
  19
  20   enum JetType {
  21     kNone=0,
  22     kKT=1<<0,
  23     kAKT=1<<1,
  24     kFullJet=1<<2,
  25     kChargedJet=1<<3,
  26     kNeutralJet=1<<4,
  27     kR020Jet=1<<5,
  28     kR030Jet=1<<6,
  29     kR040Jet=1<<7,
  30     kRX1Jet=1<<8,  // user defined radii, use SetRadius(Double_t)
  31     kRX2Jet=1<<9,
  32     kRX3Jet=1<<10
  33   };
  34
  35
  36   AliEmcalJetTask();
  37   AliEmcalJetTask(const char *name);
  38   virtual ~AliEmcalJetTask();
  39
  40   void                   UserCreateOutputObjects();
  41   void                   UserExec(Option_t *option);
  42   void                   Terminate(Option_t *option);
  43
  44   Bool_t                 IsLocked()                       { if(fLocked) {AliFatal("Jet finder task is locked! Changing properties is not allowed."); return kTRUE;} else return kFALSE;};
  45   void                   SetLocked()                      { fLocked = kTRUE;}
  46   void                   SelectConstituents(UInt_t constSel, UInt_t MCconstSel)  { fConstSel = constSel; fMCConstSel = MCconstSel; };
  47   void                   SetAlgo(Int_t a)                 { if(IsLocked()) return; if (a==0) fJetType |= kKT; else fJetType |= kAKT; }  // for backward compatibility only
  48   void                   SetClusName(const char *n)       { if(IsLocked()) return; fCaloName      = n     ; }
  49   void                   SetJetsName(const char *n)       { if(IsLocked()) return; fJetsName      = n     ; }
  50   void                   SetJetsSubName(const char *n)    { fJetsSubName   = n     ; }
  51   void                   SetJetType(UInt_t t)             { if(IsLocked()) return; fJetType       = t     ; }
  52   void                   SetMarkConstituents(UInt_t m)    { if(IsLocked()) return; fMarkConst     = m     ; }
  53   void                   SetMinJetArea(Double_t a)        { if(IsLocked()) return; fMinJetArea    = a     ; }
  54   void                   SetMinJetClusPt(Double_t min)    { if(IsLocked()) return; fMinJetClusPt  = min   ; }
  55   void                   SetMinJetPt(Double_t j)          { if(IsLocked()) return; fMinJetPt      = j     ; }
  56   void                   SetMinJetTrackPt(Double_t min)   { if(IsLocked()) return; fMinJetTrackPt = min   ; }
  57   void                   SetRadius(Double_t r)            { if(IsLocked()) return; fRadius        = r     ; if ((fJetType & (kRX1Jet|kRX2Jet|kRX3Jet)) == 0) AliWarning("Radius value will be ignored if jet type is not set to a user defined radius (kRX1Jet,kRX2Jet,kRX3Jet)."); }
  58   void                   SetTrackEfficiency(Double_t t)   { if(IsLocked()) return; fTrackEfficiency = t   ; }
  59   void                   SetTracksName(const char *n)     { if(IsLocked()) return; fTracksName    = n     ; }
  60   void                   SetType(Int_t t)                 { if(IsLocked()) return;
  61                                                             if (t==0) fJetType |= kFullJet;
  62                                                             else if (t==1) fJetType |= kChargedJet;
  63                                                             else if (t==2) fJetType |= kNeutralJet; } // for backward compatibility only
  64   void                   SetEtaRange(Double_t emi, Double_t ema) {if(IsLocked()) return; fEtaMin = emi; fEtaMax = ema; }
  65   void                   SetPhiRange(Double_t pmi, Double_t pma) {if(IsLocked()) return; fPhiMin = pmi; fPhiMax = pma; }
  66   void                   SetJetEtaRange(Double_t emi, Double_t ema) {if(IsLocked()) return; fJetEtaMin = emi; fJetEtaMax = ema; }
  67   void                   SetJetPhiRange(Double_t pmi, Double_t pma) {if(IsLocked()) return; fJetPhiMin = pmi; fJetPhiMax = pma; }
  68   void                   SetGhostArea(Double_t gharea)    { if(IsLocked()) return; fGhostArea      = gharea;  }
  69   void                   SetMinMCLabel(Int_t s)           { if(IsLocked()) return; fMinMCLabel     = s     ;  }
  70   void                   SetRecombScheme(Int_t scheme)    { if(IsLocked()) return; fRecombScheme   = scheme;  }
  71   void                   SelectCollisionCandidates(UInt_t offlineTriggerMask = AliVEvent::kMB)
  72   {
  73     if(!fIsPSelSet)
  74     {
  75       fIsPSelSet = kTRUE;
  76       fOfflineTriggerMask = offlineTriggerMask;
  77     }
  78     else
  79     {
  80       AliWarning("Manually setting the event selection for jet finders is not allowed! Using trigger=old_trigger | your_trigger");
  81       fOfflineTriggerMask = fOfflineTriggerMask | offlineTriggerMask;
  82     }
  83   }
  84   void                   SetLegacyMode(Bool_t mode)           { if(IsLocked()) return; fLegacyMode = mode; }
  85   void                   SetMCFlag(UInt_t m)                  { if(IsLocked()) return; fMCFlag     = m   ; }
  86   void                   SelectHIJING(Bool_t s)               { if(IsLocked()) return; if (s) fGeneratorIndex = 0; else fGeneratorIndex = -1; }
  87   void                   SetGeneratorIndex(Short_t i)         { if(IsLocked()) return; fGeneratorIndex = i; }
  88   void                   SelectPhysicalPrimaries(Bool_t s)    { if(IsLocked()) return;
  89                                                                 if (s) fMCFlag |=  AliAODMCParticle::kPhysicalPrim ;
  90                                                                 else   fMCFlag &= ~AliAODMCParticle::kPhysicalPrim ; }
  91
  92   void                   SetCodeDebug(Bool_t val)               { fCodeDebug    = val          ; }
  93   void                   SetForceIsMcPart(Bool_t b)             { fIsMcPart     = b            ; }
  94   void                   SetPionMassForClusters(Bool_t b)       { fPionMassClusters = b        ; }
  95
  96   void                   SetRhoName(const char *n)              { fRhoName      = n            ; }
  97   void                   SetRhomName(const char *n)             { fRhomName     = n            ; }
  98   void                   SetGenericSubtractionJetMass(Bool_t b) { fDoGenericSubtractionJetMass = b; }
  99   void                   SetGenericSubtractionGR(Bool_t b, Double_t rmax = 2., Double_t dr = 0.04, Double_t ptmin = 0.) { fDoGenericSubtractionGR = b; fRMax=rmax; fDRStep=dr; fPtMinGR=ptmin;}
 100   void                   SetConstituentSubtraction(Bool_t b)    { fDoConstituentSubtraction = b; }
 101   void                   SetGenericSubtractionExtraJetShapes(Bool_t b)            { fDoGenericSubtractionExtraJetShapes =b;}
 102   void                   SetUseExternalBkg(Bool_t b, Double_t rho, Double_t rhom) { fUseExternalBkg = b; fRho = rho; fRhom = rhom;}
 103
 104   UInt_t                 GetJetType()                     { return fJetType; }
 105   Bool_t                 GetLegacyMode()                  { return fLegacyMode; }
 106   TString                GetJetsSubName()                 { return fJetsSubName; }
 107
 108   const char*            GetJetsName()                    { return fJetsName.Data(); }
 109   Double_t               GetRadius()                      { return fRadius; }
 110   const char*            GetTracksName()                  { return fTracksName.Data(); }
 111   const char*            GetClusName()                    { return fCaloName.Data(); }
 112   const char*            GetRhoName()                     { return fRhoName.Data(); }
 113   UInt_t                 GetMarkConstituents()            { return fMarkConst; }
 114   Double_t               GetMinJetArea()                  { return fMinJetArea; }
 115   Double_t               GetMinJetClusPt()                { return fMinJetClusPt; }
 116   Double_t               GetMinJetPt()                    { return fMinJetPt; }
 117   Double_t               GetMinJetTrackPt()               { return fMinJetTrackPt; }
 118   Double_t               GetTrackEfficiency()             { return fTrackEfficiency; }
 119   Double_t               GetGhostArea()                   { return fGhostArea; }
 120   Int_t                  GetMinMCLabel()                  { return fMinMCLabel; }
 121   Int_t                  GetRecombScheme()                { return fRecombScheme; }
 122   Double_t               GetEtaMin()                      { return fEtaMin; }
 123   Double_t               GetEtaMax()                      { return fEtaMax; }
 124   Double_t               GetPhiMin()                      { return fPhiMin; }
 125   Double_t               GetPhiMax()                      { return fPhiMax; }
 126   Double_t               GetJetEtaMin()                   { return fJetEtaMin; }
 127   Double_t               GetJetEtaMax()                   { return fJetEtaMax; }
 128   Double_t               GetJetPhiMin()                   { return fJetPhiMin; }
 129   Double_t               GetJetPhiMax()                   { return fJetPhiMax; }
 130
 131   AliVEvent*             GetEvent()                       { return fEvent;}
 132   TClonesArray*          GetClusters()                    { return fClus;}
 133   TClonesArray*          GetTracks()                      { return fTracks;}
 134   TClonesArray*          GetJets()                        { return fJets;}
 135
 136  protected:
 137   void                   FindJets();
 138   Bool_t                 DoInit();
 139   Bool_t                 GetSortedArray(Int_t indexes[], std::vector<fastjet::PseudoJet> array) const;
 140
 141   TString                fTracksName;             // name of track collection
 142   TString                fCaloName;               // name of calo cluster collection
 143   TString                fJetsName;               // name of jet collection
 144   TString                fJetsSubName;            // name of subtracted jet collection
 145   UInt_t                 fJetType;                // jet type (algorithm, radius, constituents)
 146   UInt_t                 fConstSel;               // select constituents from a previous jet finding
 147   UInt_t                 fMCConstSel;             // select MC constituents (label!=0) from a previous jet finding
 148   UInt_t                 fMarkConst;              // constituents are marked (via TObject::SetBit) as belonging to the # leading jets
 149   Double_t               fRadius;                 // jet radius
 150   Double_t               fMinJetTrackPt;          // min jet track momentum   (applied before clustering)
 151   Double_t               fMinJetClusPt;           // min jet cluster momentum (applied before clustering)
 152   Double_t               fPhiMin;                 // minimum phi for constituents (applied before clustering)
 153   Double_t               fPhiMax;                 // maximum phi for constituents (applied before clustering)
 154   Double_t               fEtaMin;                 // minimum eta for constituents (applied before clustering)
 155   Double_t               fEtaMax;                 // maximum eta for constituents (applied before clustering)
 156   Double_t               fMinJetArea;             // min area to keep jet in output
 157   Double_t               fMinJetPt;               // min jet pt to keep jet in output
 158   Double_t               fJetPhiMin;              // minimum phi to keep jet in output
 159   Double_t               fJetPhiMax;              // maximum phi to keep jet in output
 160   Double_t               fJetEtaMin;              // minimum eta to keep jet in output
 161   Double_t               fJetEtaMax;              // maximum eta to keep jet in output
 162   Double_t               fGhostArea;              // ghost area
 163   Int_t                  fMinMCLabel;             // minimum MC label value for the tracks/clusters being considered MC particles
 164   Int_t                  fRecombScheme;           // recombination scheme used by fastjet
 165   Double_t               fTrackEfficiency;        // artificial tracking inefficiency (0...1)
 166   UInt_t                 fMCFlag;                 // select MC particles with flags
 167   Short_t                fGeneratorIndex;         // select MC particles with generator index (default = -1 = switch off selection)
 168   Bool_t                 fIsInit;                 //!=true if already initialized
 169   Bool_t                 fLocked;                 // true if lock is set
 170   Bool_t                 fIsPSelSet;              //!=true if physics selection was set
 171   Bool_t                 fIsMcPart;               //!=true if MC particles are given as input
 172   Bool_t                 fIsEmcPart;              //!=true if emcal particles are given as input (for clusters)
 173   Bool_t                 fLegacyMode;             //! if true, enable FJ 2.x behavior
 174   Bool_t                 fCodeDebug;              // use nontested code changes
 175   Bool_t                 fPionMassClusters;       //!assume pion mass for clusters
 176
 177   Bool_t                 fDoGenericSubtractionJetMass;        // calculate generic subtraction
 178   Bool_t                 fDoGenericSubtractionGR;             // calculate generic subtraction for angular structure function GR
 179   Bool_t                 fDoGenericSubtractionExtraJetShapes; //calculate generic subtraction for other jet shapes like radialmoment,pTD etc
 180   Bool_t                 fDoConstituentSubtraction;           // calculate constituent subtraction
 181   Bool_t                 fUseExternalBkg;                     // use external background for generic subtractor
 182   TString                fRhoName;                            // name of rho
 183   TString                fRhomName;                           // name of rhom
 184   Double_t               fRho;                                // pT background density
 185   Double_t               fRhom;                               // mT background density
 186   Double_t               fRMax;                               // R max for GR calculation
 187   Double_t               fDRStep;                             // step width for GR calculation
 188   Double_t               fPtMinGR;                            // min pT for GR calculation
 189
 190
 191   TClonesArray          *fJets;                   //!jet collection
 192   TClonesArray          *fJetsSub;                //!subtracted jet collection
 193   AliVEvent             *fEvent;                  //!current event
 194   TClonesArray          *fTracks;                 //!tracks collection
 195   TClonesArray          *fClus;                   //!cluster collection
 196   AliRhoParameter       *fRhoParam;               //!event rho
 197   AliRhoParameter       *fRhomParam;              //!event rhom
 198
 199  private:
 200   AliEmcalJetTask(const AliEmcalJetTask&);            // not implemented
 201   AliEmcalJetTask &operator=(const AliEmcalJetTask&); // not implemented
 202
 203   ClassDef(AliEmcalJetTask, 16) // Jet producing task
 204 };
 205 #endif