3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
9 //_________________________________________________________________________
10 // Implementation version v0 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 AliPHOSPIDv0 : public AliPHOSPID {
31 AliPHOSPIDv0() ; // ctor
32 AliPHOSPIDv0(const char* evFolderName, const char * tsBranch = "Default");
33 virtual ~AliPHOSPIDv0() ; // dtor
35 virtual void Exec(Option_t * option);
36 // virtual char * GetRecParticlesBranch()const {return (char*) fRecParticlesTitle.Data() ;}
37 // virtual char * GetTrackSegmentsBranch()const{return (char*) fTrackSegmentsTitle.Data(); }
38 virtual Int_t GetRecParticlesInRun() const {return fRecParticlesInRun ;}
40 virtual void PlotDispersionCuts()const ;
41 virtual void Print()const ;
42 virtual void SetIdentificationMethod(const char * option = "CPV DISP" ){fIDOptions = option ;}
43 virtual void SetShowerProfileCut(const char * formula = "0.35*0.35 - (x-1.386)*(x-1.386) - 1.707*1.707*(y-1.008)*(y-1.008)") ;
44 virtual void SetDispersionCut(Float_t cut){fDispersion = cut ; }
45 virtual void SetCpvtoEmcDistanceCut(Float_t cut ) {fCpvEmcDistance = cut ;}
46 virtual void SetTimeGate(Float_t gate) {fTimeGate = gate ;}
47 // virtual void SetTrackSegmentsBranch(const char* title) { fTrackSegmentsTitle = title;}
48 // virtual void SetRecParticlesBranch (const char* title) { fRecParticlesTitle = title;}
49 virtual const char * Version() const { return "pid-v0" ; }
54 void MakeRecParticles(void ) ;
55 Float_t GetDistance(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv, Option_t * Axis)const ; // Relative Distance CPV-EMC
56 TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv)const ;
57 void PrintRecParticles(Option_t * option) ;
58 virtual void WriteRecParticles();
62 TString fTrackSegmentsTitle; // branch name with track segments
63 TString fRecPointsTitle ; // branch name with rec points
64 TString fRecParticlesTitle ; // branch name with rec particles
65 TString fIDOptions ; // PID option
66 Int_t fNEvent ; // current event number
68 AliPHOSClusterizer * fClusterizer ; // !
69 AliPHOSTrackSegmentMaker * fTSMaker ; // !
71 TFormula * fFormula ; // formula to define cut on the shower elips axis
72 Float_t fDispersion ; // dispersion cut
73 Float_t fCpvEmcDistance ; // Max EMC-CPV distance
74 Float_t fTimeGate ; // Time of the latest EmcRecPoint accepted as EM
75 Int_t fRecParticlesInRun ; //! Total number of recparticles in one run
77 ClassDef( AliPHOSPIDv0,1) // Particle identifier implementation version 1
81 #endif // AliPHOSPIDV0_H