3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
9 //_________________________________________________________________________
10 // Implementation version v1 of the PHOS particle identifier
11 // Identification is based on information from CPV and EMC
13 //*-- Author: Yves Schutz (SUBATECH), Gustavo Conesa.
15 // --- ROOT system ---
21 // --- Standard library ---
23 // --- AliRoot header files ---
24 class AliPHOSEmcRecPoint ;
25 class AliPHOSRecPoint ;
27 #include "AliPHOSPID.h"
29 class AliPHOSPIDv1 : public AliPHOSPID {
33 AliPHOSPIDv1() ; // ctor
34 AliPHOSPIDv1(const char* headerFile, const char * tsBranch = "Default", const Bool_t toSplit=kFALSE) ;
35 AliPHOSPIDv1(AliPHOSPIDv1 & pid) ; // cpy ctor
37 virtual ~AliPHOSPIDv1() ; // dtor
39 virtual void Exec(Option_t * option) ;
40 // virtual char * GetRecParticlesBranch()const {return (char*) fRecParticlesTitle.Data() ;}
41 // virtual char * GetTrackSegmentsBranch()const{return (char*) fTrackSegmentsTitle.Data(); }
42 virtual const Int_t GetRecParticlesInRun() const {return fRecParticlesInRun ;}
44 virtual void Print(Option_t * option) const {}
47 //Get files that contain the PCA
48 const TString GetPrincipalFile( )const {return fFileName ;}
49 const TString GetPrincipalFilePar( )const {return fFileNamePar ;}
51 //To turn on or off the Pi0 analysis
52 const Bool_t GetPi0Analysis()const {return fPi0Analysis;}
53 void SetPi0Analysis(Bool_t turnonoff){ fPi0Analysis = turnonoff; }
55 // Set and Get all parameters necessary in the PID depending on the
56 // custer energy and Purity-Efficiency point
57 void SetCpvtoEmcDistanceCutParameters(Float_t clusterEn, Int_t effpur, TString Axis,Float_t cut) ;
58 void SetTimeGate(Int_t effpur, Float_t gate) ;
60 const Float_t GetCpvtoEmcDistanceCut(const Float_t e, const TString Axis ) const ;
61 const Double_t GetTimeGate(const Int_t effpur) const;
63 void SetEllipseParameter (TString Param, Int_t i, Double_t par) ;
64 void SetEllipseParameterPi0(TString Param, Int_t i, Double_t par) ;
65 const Double_t GetParameterToCalculateEllipse(const TString Param, const Int_t i) const ;
66 const Double_t GetEllipseParameter(const TString Param, Float_t E) const;
67 const Double_t GetParameterToCalculatePi0Ellipse(const TString Param, const Int_t i) const ;
68 const Double_t GetEllipseParameterPi0(const TString Param, Float_t E) const;
69 //Get and Set energy calibration parameters
71 void SetCalibrationParameter(Int_t Param,Double_t param) const ;
72 const Double_t GetCalibrationParameter(const Int_t i) const;
73 const Double_t GetCalibratedEnergy(const Float_t e) const; //Calibrates energy.
75 // virtual void SetTrackSegmentsBranch(const char* title) { fTrackSegmentsTitle = title;}
76 // virtual void SetRecParticlesBranch (const char* title) { fRecParticlesTitle = title;}
77 virtual const char * Version() const { return "pid-v1" ; }
79 AliPHOSPIDv1 & operator = (const AliPHOSPIDv1 & pid) { return *this ;}
82 const TString BranchName() const ;
84 virtual void InitParameters() ;
85 void MakeRecParticles(void ) ;
86 // Relative Distance CPV-EMC
87 const Float_t GetDistance(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv, Option_t * Axis)const ;
88 const Int_t GetCPVBit(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv,const Int_t EffPur, const Float_t e) const;
89 const Int_t GetPrincipalBit (const Double_t* P, const Int_t effPur, const Float_t E)const ; //Principal cut
90 const Int_t GetPrincipalPi0Bit(const Double_t* P, const Int_t effPur, const Float_t E)const ; //Principal cut
91 TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv)const ;
92 void PrintRecParticles(Option_t * option) ;
93 virtual void WriteRecParticles(Int_t event) ;
94 void SetParameters() ; //Fills the matrix of parameters
100 Bool_t fDefaultInit; //! Says if the task was created by defaut ctor (only parameters are initialized)
101 TString fFileName ; // File that contains the Principal file for analysis
102 TString fFileNamePi0 ; // File that contains the Pi0 Principal file for analysis
103 TString fFileNamePar ; // File that contains the parameters for analysis
105 // TString fFrom ; // name of Recpoints and TrackSegments
106 // TString fHeaderFileName ; // file name with event header
107 // TString fTrackSegmentsTitle; // branch name with track segments
108 // TString fRecPointsTitle ; // branch name with rec points
109 // TString fRecParticlesTitle ; // branch name with rec particles
111 Int_t fNEvent ; //! current event number
112 // AliPHOSClusterizer * fClusterizer ; //! clusterizer
113 // AliPHOSTrackSegmentMaker * fTSMaker ; //! track segment maker
116 Bool_t fPi0Analysis; //! Pi0 analysis on or off
117 TPrincipal * fPrincipal ; //! TPrincipal from pca file
118 TPrincipal * fPrincipalPi0 ; //! TPrincipal from Pi0 pca file
119 Double_t * fX ; //! Principal data
120 Double_t * fP ; //! Principal eigenvalues
121 Double_t * fPPi0 ; //! Principal Pi0 eigenvalues
123 Int_t fRecParticlesInRun ; //! Total number of recparticles in one run
124 TMatrixD * fParameters; //! Matrix of identification Parameters
126 ClassDef( AliPHOSPIDv1,7) // Particle identifier implementation version 1
130 #endif // AliPHOSPIDV1_H