3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
9 ///////////////////////////////////////////////////////////////////////////////
11 // The TRD particle identification class //
13 // Its main purposes are: //
14 // - Creation and bookkeeping of the propability distributions //
15 // - Assignment of a e/pi propability to a given track based on //
18 ///////////////////////////////////////////////////////////////////////////////
20 #include "AliTRDpid.h"
22 class AliTRDpidLQ : public AliTRDpid {
27 AliTRDpidLQ(const char* name, const char* title);
28 AliTRDpidLQ(const AliTRDpidLQ &p);
29 virtual ~AliTRDpidLQ();
30 AliTRDpidLQ &operator=(const AliTRDpidLQ &p);
32 virtual void Copy(TObject &p);
33 virtual Bool_t Init();
34 virtual Bool_t AssignLikelihood(AliTRDtrack *t);
35 virtual Bool_t CreateHistograms(const Int_t nmom
36 , const Float_t minmom
37 , const Float_t maxmom);
38 virtual Bool_t FillSpectra(const AliTRDtrack *t);
40 Int_t GetIndex(const AliTRDtrack *t);
41 Int_t GetIndex(const Int_t imom, const Int_t ipid);
42 Int_t GetIndex(const Float_t mom, const Int_t ipid);
44 TObjArray* GetHist() const { return fHist; };
46 Float_t GetChargeMin() const { return fChargeMin; };
47 Int_t GetNClusterMin() const { return fNClusterMin; };
49 Int_t GetNLh() const { return fNLh; };
50 Float_t GetMinLh() const { return fMinLh; };
51 Float_t GetMaxLh() const { return fMaxLh; };
53 void SetChargeMin(const Float_t min) { fChargeMin = min; };
54 void SetNClusterMin(const Int_t min) { fNClusterMin = min; };
56 void SetNLh(const Int_t n) { fNLh = n; };
57 void SetMinLh(const Float_t min) { fMinLh = min; };
58 void SetMaxLh(const Float_t max) { fMaxLh = max; };
62 Int_t fNMom; // Number of momentum bins
63 Float_t fMinMom; // Lower momentum
64 Float_t fMaxMom; // Upper momentum
65 Float_t fWidMom; // Width of the momentum bins
66 TObjArray *fHist; // Array of histograms
68 Int_t fNLh; // Number of bins of the likelihood spectra
69 Float_t fMinLh; // Lower range of the likelihood spectra
70 Float_t fMaxLh; // Upper range of the likelihood spectra
72 Float_t fChargeMin; // Minimum charge required in one plane
73 Int_t fNClusterMin; // Minimum number of clusters required in one plane
75 ClassDef(AliTRDpidLQ,1) // Assigns e/pi propability to the tracks based on LQ method