First round of effc++ changes

[u/mrichter/AliRoot.git] / TRD / Cal / AliTRDCalPIDLQ.h

#ifndef ALITRDCALPIDLQ_H
#define ALITRDCALPIDLQ_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
// Container for the distributions of dE/dx and the time bin of the          //
// max. cluster for electrons and pions                                      //
//                                                                           //
// Author:                                                                   //
//   Prashant Shukla <shukla@pi0.physi.uni-heidelberg.de>                    //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include <TNamed.h>

class TH1F;
class TObjArray;

class AliTRDCalPIDLQ : public TNamed {

 public:

  AliTRDCalPIDLQ(); 
  AliTRDCalPIDLQ(const Text_t *name, const Text_t *title);
  AliTRDCalPIDLQ(const AliTRDCalPIDLQ& pd);
  virtual          ~AliTRDCalPIDLQ();              
  AliTRDCalPIDLQ    &operator=(const AliTRDCalPIDLQ &c);

  virtual void       Copy(TObject &c) const;

          Bool_t     ReadData(Char_t *responseFile);     
          void       SetMeanChargeRatio(Double_t ratio)     { fMeanChargeRatio = ratio;  }  

          Double_t   GetMeanChargeRatio() const             { return fMeanChargeRatio;   } 
          Double_t   GetMomentum(Int_t ip) const            { return fTrackMomentum[ip]; }
          Double_t   GetMean(Int_t iType, Int_t ip) const;        
          Double_t   GetNormalization(Int_t iType, Int_t ip) const;

          TH1F      *GetHistogram(Int_t iType, Int_t ip) const;
          TH1F      *GetHistogramT(Int_t iType, Int_t ip) const;

          Double_t   GetProbability(Int_t iType, Double_t mom, Double_t dedx) const;
          Double_t   GetProbabilityT(Int_t iType, Double_t mom, Int_t timbin) const;
          Int_t      GetNbins() const                       { return fNbins;   }        
          Double_t   GetBinSize() const                     { return fBinSize; } 

 protected:

          void       Init();      
          void       CleanUp();   
  inline  Int_t      GetHistID(Int_t part, Int_t mom) const { return part*fNMom + mom; }
    
  static  Char_t    *fpartName[5];                 //! Names of particle species
    
          Int_t      fNMom;                        //  Number of momenta  
          Double_t  *fTrackMomentum;               //[fNMom] Track momenta for which response functions are available
          Double_t   fMeanChargeRatio;             //  Ratio of mean charge from real Det. to prob. dist.

          Int_t      fNbins;                       //  Number of energy bins
          Double_t   fBinSize;                     //  Size of energy bin
    
          TObjArray *fHistdEdx;                    //  Prob. of dEdx for 5 particles and for several momenta
          TObjArray *fHistTimeBin;                 //  Prob. of max time bin for 5 particles and for several momenta
    
  ClassDef(AliTRDCalPIDLQ, 1)                      //  The TRD PID response container class

};

#endif