Correcter eror by A. Dainese
[u/mrichter/AliRoot.git] / PHOS / AliPHOSPIDv1.h
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26d4b141 1#ifndef ALIPHOSPIDV1_H
2#define ALIPHOSPIDV1_H
6ad0bfa0 3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
b2a60966 8
9//_________________________________________________________________________
10// Implementation version v1 of the PHOS particle identifier
148b2bba 11// Identification is based on information from CPV and EMC
2f04ed65 12// Oh yeah
148b2bba 13//*-- Author: Yves Schutz (SUBATECH), Gustavo Conesa.
6ad0bfa0 14
15// --- ROOT system ---
148b2bba 16//class TFormula ;
7acf6008 17class TVector3 ;
148b2bba 18class TMatrixD ;
19class TPrincipal ;
6ad0bfa0 20
21// --- Standard library ---
22
23// --- AliRoot header files ---
7acf6008 24class AliPHOSEmcRecPoint ;
25class AliPHOSRecPoint ;
6ad0bfa0 26
26d4b141 27#include "AliPHOSPID.h"
6ad0bfa0 28
26d4b141 29class AliPHOSPIDv1 : public AliPHOSPID {
6ad0bfa0 30
31public:
32
7acf6008 33 AliPHOSPIDv1() ; // ctor
148b2bba 34 AliPHOSPIDv1(const char* headerFile, const char * tsBranch = "Default", const char * from = 0) ;
7acf6008 35 virtual ~AliPHOSPIDv1() ; // dtor
36
37 virtual void Exec(Option_t * option);
7b7c1533 38 virtual char * GetRecParticlesBranch()const {return (char*) fRecParticlesTitle.Data() ;}
39 virtual char * GetTrackSegmentsBranch()const{return (char*) fTrackSegmentsTitle.Data(); }
2b60655b 40 virtual const Int_t GetRecParticlesInRun() const {return fRecParticlesInRun ;}
148b2bba 41
42 virtual void Print(Option_t * option)const ;
43 // Get CpvtoEmcDistanceCut and TimeGate parameters depending on the custer energy and
44 // Purity-Efficiency point (possible options "HIGH EFFICIENCY" "MEDIUM EFFICIENCY" "LOW
45 // EFFICIENCY" and 3 more options changing EFFICIENCY by PURITY)
46 Double_t GetCpvtoEmcDistanceCut(const Float_t Cluster_En, const TString Eff_Pur)const ;
47 Double_t GetTimeGate(const Float_t Cluster_En, const TString Eff_Pur)const ;
48
49 // Set all parameters necessary in the PID depending on the custer energy and
50 // Purity-Efficiency point (possible options "HIGH EFFICIENCY" "MEDIUM EFFICIENCY" "LOW
51 // EFFICIENCY" and 3 more options changing EFFICIENCY by PURITY)
52 void SetCpvtoEmcDistanceCut(Float_t Cluster_En, TString Eff_Pur, Float_t cut) ;
53 void SetTimeGate(Float_t Cluster_En, TString Eff_Pur, Float_t gate) ;
54 void SetEllipseXCenter(Float_t Cluster_En, TString Eff_Pur, Float_t x) ;
55 void SetEllipseYCenter(Float_t Cluster_En, TString Eff_Pur, Float_t y) ;
56 void SetEllipseAParameter(Float_t Cluster_En, TString Eff_Pur, Float_t a) ;
57 void SetEllipseBParameter(Float_t Cluster_En, TString Eff_Pur, Float_t b) ;
58 void SetEllipseAngle(Float_t Cluster_En, TString Eff_Pur, Float_t angle) ;
59 void SetEllipseParameters(Float_t Cluster_En, TString Eff_Pur, Float_t x, Float_t y,Float_t a, Float_t b,Float_t angle) ;
60
61
7b7c1533 62 virtual void SetTrackSegmentsBranch(const char* title) { fTrackSegmentsTitle = title;}
63 virtual void SetRecParticlesBranch (const char* title) { fRecParticlesTitle = title;}
64 virtual const char * Version() const { return "pid-v1" ; }
79bf6a2f 65
148b2bba 66 private:
67
79bf6a2f 68 virtual void Init() ;
7acf6008 69 void MakeRecParticles(void ) ;
9688c1dd 70 Float_t GetDistance(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv, Option_t * Axis)const ; // Relative Distance CPV-EMC
148b2bba 71 Int_t GetPrincipalSign(Double_t* P, Int_t ell, Int_t eff_pur)const ; //Principal cut
9688c1dd 72 TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv)const ;
7acf6008 73 void PrintRecParticles(Option_t * option) ;
7b7c1533 74 virtual void WriteRecParticles(Int_t event) ;
09fc14a0 75
76 private:
77
148b2bba 78 TString fFrom ; // name of Recpoints and TrackSegments
baef0810 79 TString fHeaderFileName ; // file name with event header
7b7c1533 80 TString fTrackSegmentsTitle; // branch name with track segments
baef0810 81 TString fRecPointsTitle ; // branch name with rec points
7b7c1533 82 TString fRecParticlesTitle ; // branch name with rec particles
148b2bba 83
baef0810 84 Int_t fNEvent ; // current event number
7acf6008 85
148b2bba 86 AliPHOSClusterizer * fClusterizer ; //!
87 AliPHOSTrackSegmentMaker * fTSMaker ; //!
88 TPrincipal * fPrincipal ; //
89
90
91
92
7acf6008 93
2b60655b 94 Int_t fRecParticlesInRun ; //! Total number of recparticles in one run
9688c1dd 95
148b2bba 96 Double_t* fX ; //! Principal data
97 Double_t* fP ; //! Principal eigenvalues
98
99 TMatrixD* fParameters ;//! Matrix of all identification Parameters
100 TString fFileName ; // Name of the file which contains the Principal file
101 TString fFileNamePar ; //Name of the file which contains the parameters
102
103 ClassDef( AliPHOSPIDv1,2) // Particle identifier implementation version 1
6ad0bfa0 104
105};
106
26d4b141 107#endif // AliPHOSPIDV1_H