TRD/Cal/AliTRDCalPID.h

   1 #ifndef ALITRDCALPID_H
   2 #define ALITRDCALPID_H
   3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   4  * See cxx source for full Copyright notice                               */
   5
   6 /* $Id$ */
   7
   8 ///////////////////////////////////////////////////////////////////////////////
   9 //                                                                           //
  10 // Authors:                                                                  //
  11 //                                                                           //
  12 //  Alex Bercuci <A.Bercuci@gsi.de>                                          //
  13 //  Alex Wilk <wilka@uni-muenster.de>                                        //
  14 //  Prashant Shukla <shukla@pi0.physi.uni-heidelberg.de>                     //
  15 //                                                                           //
  16 ///////////////////////////////////////////////////////////////////////////////
  17
  18 #ifndef ROOT_TNamed
  19 #include <TNamed.h>
  20 #endif
  21
  22 class AliTRDCalPID : public TNamed
  23 {
  24
  25  public:
  26
  27   enum {
  28     kNMom   = 11,
  29     kNPlane = 6
  30   };
  31
  32   AliTRDCalPID();
  33   AliTRDCalPID(const Text_t *name, const Text_t *title);
  34   virtual         ~AliTRDCalPID();
  35
  36   virtual Bool_t   LoadReferences(Char_t *refFile) = 0;
  37   static  Double_t GetMomentum(Int_t ip)
  38                                                       { return (ip<0 || ip>=kNMom)
  39                                                         ? -1.0
  40                                                         : fTrackMomentum[ip];
  41                                                       }
  42   virtual TObject *GetModel(Int_t ip, Int_t iType, Int_t iPlane) const = 0;
  43   virtual Double_t GetProbability(Int_t spec, Float_t mom, Float_t *dedx
  44                                 , Float_t length, Int_t plane) const = 0;
  45   static  Char_t  *GetPartName(Int_t i)               { return fPartName[i]; }
  46   static  Char_t  *GetPartSymb(Int_t i)               { return fPartSymb[i]; }
  47
  48           void     SetPartName(Int_t i, Char_t *name) { fPartName[i] = name; }
  49           void     SetPartSymb(Int_t i, Char_t *symb) { fPartSymb[i] = symb; }
  50
  51  protected:
  52
  53   virtual void     Init() = 0;
  54   virtual Int_t    GetModelID(Int_t mom, Int_t spec, Int_t plane) const = 0;
  55
  56  private:
  57
  58   AliTRDCalPID(const AliTRDCalPID& pd);
  59   AliTRDCalPID    &operator=(const AliTRDCalPID &c);
  60
  61  protected:
  62
  63   static  Char_t   *fPartName[5];          //! Names of particle species
  64   static  Char_t   *fPartSymb[5];          //! Symbols of particle species
  65
  66   static  Float_t   fTrackMomentum[kNMom]; //  Track momenta for which response functions are available
  67   TObjArray        *fModel;                //  Model for probability estimate
  68
  69   ClassDef(AliTRDCalPID, 3)                //  Base class for TRD PID methods
  70
  71 };
  72 #endif