TRD/Cal/AliTRDCalPIDLQ.h

   1 #ifndef ALITRDCALPIDLQ_H
   2 #define ALITRDCALPIDLQ_H
   3
   4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   5  * See cxx source for full Copyright notice                               */
   6
   7 /* $Id$ */
   8
   9 ////////////////////////////////////////////////////////////////////////////
  10 //                                                                        //
  11 // PID distributions for the LQ method                                    //
  12 //                                                                        //
  13 // Author:                                                                //
  14 // Alex Bercuci <A.Bercuci@gsi.de>                                        //
  15 //                                                                        //
  16 ////////////////////////////////////////////////////////////////////////////
  17
  18 #include "AliTRDCalPID.h"
  19
  20 class TDirectoryFile;
  21 class AliTRDCalPIDLQ : public AliTRDCalPID
  22 {
  23
  24  public:
  25
  26   enum {
  27     kNLength = 4
  28   };
  29
  30   AliTRDCalPIDLQ();
  31   AliTRDCalPIDLQ(const Text_t *name, const Text_t *title);
  32   virtual        ~AliTRDCalPIDLQ();
  33
  34   Bool_t          LoadPDF(TDirectoryFile *);
  35   Bool_t          LoadReferences(Char_t* refFile);
  36   TObject*        GetModel(Int_t ip, Int_t iType, Int_t iPlane) const;
  37   static Double_t GetLength(Int_t il) { return (il<0 || il>=kNLength) ? -1. : fgTrackSegLength[il]; }
  38          Double_t GetProbability(Int_t spec, Float_t mom
  39                                , const Float_t * const dedx
  40                                , Float_t length, Int_t plane) const;
  41
  42  protected:
  43
  44   static Float_t  fgTrackSegLength[kNLength]; // Track segment lengths
  45
  46  private:
  47
  48   AliTRDCalPIDLQ(const AliTRDCalPIDLQ& pd);
  49   AliTRDCalPIDLQ&   operator=(const AliTRDCalPIDLQ &c);
  50
  51   void     Init();
  52   Int_t    GetModelID(Int_t mom, Int_t spec, Int_t ii) const;
  53
  54   ClassDef(AliTRDCalPIDLQ, 2)                 // LQ PID reference manager
  55
  56 };
  57 #endif
  58