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 PPSD and EMC
13 //*-- Author: Yves Schutz (SUBATECH)
15 // --- ROOT system ---
19 // --- Standard library ---
21 // --- AliRoot header files ---
22 class AliPHOSEmcRecPoint ;
23 class AliPHOSRecPoint ;
25 #include "AliPHOSPID.h"
27 class AliPHOSPIDv1 : public AliPHOSPID {
31 AliPHOSPIDv1() ; // ctor
32 AliPHOSPIDv1(const char* headerFile, const char * tsBranch = 0) ;
33 virtual ~AliPHOSPIDv1() ; // dtor
35 virtual void Exec(Option_t * option);
36 virtual char * GetRecParticlesBranch()const {return (char*) fRecparticlesTitle.Data() ;}
37 virtual char * GetTrackSegmentsBranch()const{return (char*) fTSTitle.Data(); }
41 virtual void PlotDispersionCuts()const ;
43 virtual void Print(Option_t * option)const ;
45 virtual Bool_t ReadTrackSegments() ;
47 virtual void SetIdentificationMethod(char * option = "CPV DISP" ){fIDOptions = option ;}
49 virtual void SetShowerProfileCut(char * formula =
50 "0.35*0.35 - (x-1.386)*(x-1.386) - 1.707*1.707*(y-1.008)*(y-1.008)") ;
52 virtual void SetDispersionCut(Float_t cut){fDispersion = cut ; }
53 virtual void SetCpvtoEmcDistanceCut(Float_t cut ) {fCpvEmcDistance = cut ;}
54 virtual void SetTrackSegmentsBranch(const char* title) { fTSTitle = title;}
55 virtual void SetRecParticlesBranch (const char* title) { fRecparticlesTitle = title;}
57 virtual void WriteRecParticles() ;
61 void MakeRecParticles(void ) ;
62 Float_t GetDistance(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv, Option_t * Axis)const ;
63 // Relative Distance PPSD-EMC
64 TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv, AliPHOSRecPoint * ppsd)const ;
66 void PrintRecParticles(Option_t * option) ;
70 TString fHeaderFileName ; // file name with event header
71 TString fTSTitle; // branch name with track segments
72 TString fRecPointsTitle ; // branch name with rec points
73 TString fRecparticlesTitle ; // branch name with rec particles
75 TString fIDOptions ; // PID option
77 Int_t fNEvent ; // current event number
78 TObjArray * fEmcRecPoints ; // ! initial EMC RecPoints
79 TObjArray * fCpvRecPoints ; // ! initial CPV RecPoints
80 TClonesArray * fTrackSegments; // ! initial list of TrackSegments
81 TClonesArray * fRecParticles ; // ! output
83 AliPHOSClusterizer * fClusterizer ; // !
84 AliPHOSTrackSegmentMaker * fTSMaker ; // !
86 AliPHOSGeometry * fGeom ; // !pointer to PHOS geometry
87 TFormula * fFormula ; // formula to define cut on the shouer elips axis
88 Float_t fDispersion ; // dispersion cut
89 Float_t fCpvEmcDistance ; // Max EMC-CPV distance
91 Bool_t fIsInitialized ; // kTRUE is inifialized
94 ClassDef( AliPHOSPIDv1,1) // Particle identifier implementation version 1
98 #endif // AliPHOSPIDV1_H