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) ;
36 virtual ~AliPHOSPIDv1() ; // dtor
38 virtual void Exec(Option_t * option) ;
39 // virtual char * GetRecParticlesBranch()const {return (char*) fRecParticlesTitle.Data() ;}
40 // virtual char * GetTrackSegmentsBranch()const{return (char*) fTrackSegmentsTitle.Data(); }
41 virtual const Int_t GetRecParticlesInRun() const {return fRecParticlesInRun ;}
43 virtual void Print(Option_t * option) const {}
46 //Get files that contain the PCA
47 const TString GetPrincipalFile( )const {return fFileName ;}
48 const TString GetPrincipalFilePar( )const {return fFileNamePar ;}
50 // Set and Get all parameters necessary in the PID depending on the
51 // custer energy and Purity-Efficiency point (possible options "HIGH
52 // EFFICIENCY" "MEDIUM EFFICIENCY" "LOW EFFICIENCY" and 3 more options
53 // changing EFFICIENCY by PURITY)
54 void SetCpvtoEmcDistanceCut(Float_t Cluster_En, TString Eff_Pur, Float_t cut) ;
55 void SetTimeGate(Float_t Cluster_En, TString Eff_Pur, Float_t gate) ;
57 const Double_t GetCpvtoEmcDistanceCut(const Float_t Cluster_En, const TString Eff_Pur) const ;
58 const Double_t GetTimeGate(const Float_t Cluster_En, const TString Eff_Pur) const;
60 void SetEllipseParameter(TString Param, Int_t i, Double_t par) ;
61 const Double_t GetParameterToCalculateEllipse(const TString Param, const Int_t i) const ;
62 const Double_t GetEllipseParameter(const TString Param, Float_t E) const;
63 //Get and Set energy calibration parameters
65 void SetCalibrationParameter(Int_t Param,Double_t param);
66 const Double_t GetCalibrationParameter(const Int_t i) const;
67 const Double_t GetCalibratedEnergy(const Float_t e) const; //Calibrates energy.
69 // virtual void SetTrackSegmentsBranch(const char* title) { fTrackSegmentsTitle = title;}
70 // virtual void SetRecParticlesBranch (const char* title) { fRecParticlesTitle = title;}
71 virtual const char * Version() const { return "pid-v1" ; }
75 const TString BranchName() const ;
77 virtual void InitParameters() ;
78 void MakeRecParticles(void ) ;
79 // Relative Distance CPV-EMC
80 const Float_t GetDistance(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv, Option_t * Axis)const ;
81 const Int_t GetPrincipalSign(const Double_t* P, const Int_t eff_pur, const Float_t E)const ; //Principal cut
82 TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv)const ;
83 void PrintRecParticles(Option_t * option) ;
84 // Gives in wich cluster energy range is the event
85 const Int_t GetClusterOption(const Float_t Cluster_En) const;
86 // Gives the Efficiency-Purity point.
87 const Int_t GetEffPurOption(const TString Eff_Pur)const ;
88 virtual void WriteRecParticles(Int_t event) ;
89 void SetParameters() ; //Fills the matrix of parameters
95 Bool_t fDefaultInit; //! Says if the task was created by defaut ctor (only parameters are initialized)
96 TString fFileName ; // File that contains the Principal file for analysis
97 TString fFileNamePar ;// File that contains the parameters for analysis
99 // TString fFrom ; // name of Recpoints and TrackSegments
100 // TString fHeaderFileName ; // file name with event header
101 // TString fTrackSegmentsTitle; // branch name with track segments
102 // TString fRecPointsTitle ; // branch name with rec points
103 // TString fRecParticlesTitle ; // branch name with rec particles
105 Int_t fNEvent ; //! current event number
106 // AliPHOSClusterizer * fClusterizer ; //! clusterizer
107 // AliPHOSTrackSegmentMaker * fTSMaker ; //! track segment maker
109 TPrincipal * fPrincipal ; //! TPrincipal from pca file
110 Double_t * fX ; //! Principal data
111 Double_t * fP ; //! Principal eigenvalues
112 Int_t fRecParticlesInRun ; //! Total number of recparticles in one run
113 TMatrixD * fParameters; //! Matrix of identification Parameters
115 ClassDef( AliPHOSPIDv1,6) // Particle identifier implementation version 1
119 #endif // AliPHOSPIDV1_H