STEER/STEERBase/AliEMCALPIDResponse.h

   1 #ifndef AliEMCALPIDResponse_h
   2 #define AliEMCALPIDResponse_h
   3
   4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   5  * See cxx source for full Copyright notice                               */
   6
   7 //////////////////////////////////////////////////////////////////////////
   8 //                                                                      //
   9 // AliEMCALPIDResponse                                                  //
  10 //                                                                      //
  11 // EMCAL class to perfom PID                                            //
  12 // This is a prototype and still under development                      //
  13 //                                                                      //
  14 // Author: Michael Weber (m.weber@cern.ch)                              //
  15 //////////////////////////////////////////////////////////////////////////
  16
  17 #include "AliPID.h"
  18 #include <TVectorD.h>
  19
  20 class TF1;
  21
  22 class AliEMCALPIDResponse: public TObject
  23 {
  24 public :
  25     AliEMCALPIDResponse();    //ctor
  26     AliEMCALPIDResponse( const AliEMCALPIDResponse& other);                //copy ructor
  27     AliEMCALPIDResponse &operator=( const AliEMCALPIDResponse& other);     //assignment operator
  28
  29     virtual ~AliEMCALPIDResponse();     //dtor
  30
  31
  32     // Getters
  33     Double_t  GetNumberOfSigmas( Float_t pt,  Float_t eop, AliPID::EParticleType n,  Int_t charge) const;
  34     Double_t  GetExpectedNorm  ( Float_t pt, AliPID::EParticleType n,  Int_t charge) const;
  35
  36     //Setters
  37     void   SetPIDParams(const TObjArray * params) { fkPIDParams = params; }
  38     void   SetCentrality(Float_t currentCentrality) { fCurrCentrality = currentCentrality;}
  39
  40
  41     // EMCAL probability
  42     Bool_t ComputeEMCALProbability(Int_t nSpecies, Float_t pt, Float_t eop, Int_t charge, Double_t *pEMCAL) const;
  43
  44 protected:
  45
  46 private:
  47
  48   TF1 *fNorm;                            // Gauss function for normalizing NON electron probabilities
  49
  50   Double_t fCurrCentrality;              // current (in the current event) centrality percentile
  51
  52   const TObjArray *fkPIDParams;               // PID Params
  53
  54   const TVectorD* GetParams(Int_t nParticle, Float_t fPt, Int_t charge) const;
  55
  56   ClassDef(AliEMCALPIDResponse, 2)
  57 };
  58
  59 #endif // #ifdef AliEMCALPIDResponse_cxx
  60