PWG2/FLOW/AliFlowCommon/AliFlowEventSimpleMakerOnTheFly.h

   1 /*
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved.
   3  * See cxx source for full Copyright notice
   4  * $Id$
   5  */
   6
   7 /**********************************
   8  * create an event and perform    *
   9  * flow analysis 'on the fly'     *
  10  *                                *
  11  * authors: Raimond Snellings     *
  12  *           (snelling@nikhef.nl) *
  13  *          Ante Bilandzic        *
  14  *           (anteb@nikhef.nl)    *
  15  *********************************/
  16
  17 #ifndef ALIFLOWEVENTSIMPLEMAKERONTHEFLY_H
  18 #define ALIFLOWEVENTSIMPLEMAKERONTHEFLY_H
  19
  20 class TF1;
  21 class TRandom3;
  22
  23 #include "AliFlowEventSimple.h"  //needed as include
  24
  25 class AliFlowEventSimpleMakerOnTheFly {
  26
  27  public:
  28
  29   AliFlowEventSimpleMakerOnTheFly(UInt_t);    // constructor
  30   virtual ~AliFlowEventSimpleMakerOnTheFly(); // destructor
  31
  32   virtual void Init();
  33
  34   AliFlowEventSimple* CreateEventOnTheFly();  // create an event on the fly
  35
  36
  37   //                        *****************************
  38   //                        **** SETTERS AND GETTERS ****
  39   //                        *****************************
  40   //................................................................................................
  41   // setters and getters for global parameters:
  42   void SetMultDistrOfRPsIsGauss(Bool_t const mdorig) {this->fMultDistrOfRPsIsGauss = mdorig;};
  43   Bool_t GetMultDistrOfRPsIsGauss() const {return this->fMultDistrOfRPsIsGauss;};
  44
  45   void SetMultiplicityOfRP(Int_t multRP) {this->fMultiplicityOfRP = multRP;}
  46   Int_t GetMultiplicityOfRP() const {return this->fMultiplicityOfRP;}
  47
  48   void SetMultiplicitySpreadOfRP(Double_t multSpreadRP) {this->fMultiplicitySpreadOfRP = multSpreadRP;}
  49   Double_t GetMultiplicitySpreadOfRP() const {return this->fMultiplicitySpreadOfRP;}
  50
  51   void SetMinMultOfRP(Int_t minmr) {this->fMinMultOfRP = minmr;}
  52   Int_t GetMinMultOfRP() const {return this->fMinMultOfRP;}
  53
  54   void SetMaxMultOfRP(Int_t maxmr) {this->fMaxMultOfRP = maxmr;}
  55   Int_t GetMaxMultOfRP() const {return this->fMaxMultOfRP;}
  56
  57   void SetTemperatureOfRP(Double_t temperatureRP) {this->fTemperatureOfRP = temperatureRP;}
  58   Double_t GetTemperatureOfRP() const {return this->fTemperatureOfRP;}
  59
  60   void SetUseConstantHarmonics(Bool_t const uch) {this->fUseConstantHarmonics = uch;};
  61   Bool_t GetUseConstantHarmonics() const {return this->fUseConstantHarmonics;};
  62
  63   // constant harmonics:
  64   void SetV1RP(Double_t dV1RP) {this->fV1RP = dV1RP;}
  65   Double_t GetV1RP() const {return this->fV1RP;}
  66
  67   void SetV1SpreadRP(Double_t dV1SpreadRP) {this->fV1SpreadRP = dV1SpreadRP;}
  68   Double_t GetV1SpreadRP() const {return this->fV1SpreadRP;}
  69
  70   void SetV2RP(Double_t dV2RP) {this->fV2RP = dV2RP;}
  71   Double_t GetV2RP() const {return this->fV2RP;}
  72
  73   void SetV2SpreadRP(Double_t dV2SpreadRP) {this->fV2SpreadRP = dV2SpreadRP;}
  74   Double_t GetV2SpreadRP() const {return this->fV2SpreadRP;}
  75
  76   void SetV4RP(Double_t dV4RP) {this->fV4RP = dV4RP;}
  77   Double_t GetV4RP() const {return this->fV4RP;}
  78
  79   void SetV4SpreadRP(Double_t dV4SpreadRP) {this->fV4SpreadRP = dV4SpreadRP;}
  80   Double_t GetV4SpreadRP() const {return this->fV4SpreadRP;}
  81
  82   // (pt,eta) dependent harmonics:
  83   void SetV2RPMax(Double_t dV2RPMax) {this->fV2RPMax = dV2RPMax;}
  84   Double_t GetV2RPMax() const {return this->fV2RPMax;}
  85
  86   void SetPtCutOff(Double_t dPtCutOff) {this->fPtCutOff = dPtCutOff;}
  87   Double_t GetPtCutOff() const {return this->fPtCutOff;}
  88   //................................................................................................
  89
  90   void SetNoOfLoops(Int_t noofl) {this->fNoOfLoops = noofl;}
  91   Int_t GetNoOfLoops() const {return this->fNoOfLoops;}
  92
  93  private:
  94
  95   AliFlowEventSimpleMakerOnTheFly(const AliFlowEventSimpleMakerOnTheFly& anAnalysis);            // copy constructor
  96   AliFlowEventSimpleMakerOnTheFly& operator=(const AliFlowEventSimpleMakerOnTheFly& anAnalysis); // assignment operator
  97
  98   //................................................................................................
  99   // global parameters:
 100   Bool_t    fMultDistrOfRPsIsGauss;  // 1.) if kTRUE  = multiplicitiy of RPs is sampled e-b-e from Gaussian distribution with
 101                                      //                 mean = fMultiplicityOfRP and spread = fMultiplicitySpreadOfRP
 102                                      // 2.) if kFALSE = multiplicitiy of RPs is sampled e-b-e uniformly from
 103                                      //                 interval [fMinMultOfRP,fMaxMultOfRP]
 104   Int_t     fMultiplicityOfRP;       // mean multiplicity of RPs (if sampled from Gaussian)
 105   Double_t  fMultiplicitySpreadOfRP; // multiplicity spread of RPs (if sampled from Gaussian)
 106   Int_t     fMinMultOfRP;            // minimal multiplicity of RPs (if sampled uniformly)
 107   Int_t     fMaxMultOfRP;            // maximum multiplicity of RPs (if sampled uniformly)
 108   Double_t  fTemperatureOfRP;        // "temperature" of RPs in GeV/c (increase this parameter to get more high pt RPs)
 109   Bool_t    fUseConstantHarmonics;   // harmonics V1, V2, V4... are constant (kTRUE) or functions of pt and eta (kFALSE)
 110   // constant harmonics:
 111   Double_t  fV1RP;                   // directed flow of RPs
 112   Double_t  fV1SpreadRP;             // directed flow spread of RPs
 113   Double_t  fV2RP;                   // elliptic flow of RPs
 114   Double_t  fV2SpreadRP;             // elliptic flow spread of RPs
 115   Double_t  fV4RP;                   // harmonic V4 of RPs
 116   Double_t  fV4SpreadRP;             // harmonic V4's spread of RPs
 117   // (pt,eta) dependent harmonics:
 118   Double_t  fV2RPMax;                // elliptic flow of RPs
 119   Double_t  fPtCutOff;               // elliptic flow spread of RPs
 120   //................................................................................................
 121
 122   //................................................................................................
 123   // equations for distributions:
 124   TF1*      fPtSpectra;  // transverse momentum distribution
 125   TF1*      fPhiDistribution; // azimuthal distribution
 126   //................................................................................................
 127
 128   TRandom3* fMyTRandom3; // our TRandom3 generator
 129   Int_t     fCount;      // count number of events
 130   Int_t     fNoOfLoops;  // number of times to use the same particle (nonflow)
 131
 132
 133   ClassDef(AliFlowEventSimpleMakerOnTheFly,0) // macro for rootcint
 134 };
 135
 136 #endif
 137
 138
 139