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[u/mrichter/AliRoot.git] / PHOS / AliPHOSPIDv0.h
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b91d88dc 1#ifndef ALIPHOSPIDV0_H
2#define ALIPHOSPIDV0_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
702ab87e 8/* History of cvs commits:
9 *
10 * $Log$
11 */
b91d88dc 12
13//_________________________________________________________________________
14// Implementation version v0 of the PHOS particle identifier
15// Identification is based on information from PPSD and EMC
16// Oh yeah
17//*-- Author: Yves Schutz (SUBATECH)
18
19// --- ROOT system ---
20class TFormula ;
21class TVector3 ;
22
23// --- Standard library ---
24
25// --- AliRoot header files ---
26class AliPHOSEmcRecPoint ;
27class AliPHOSRecPoint ;
28
29#include "AliPHOSPID.h"
30
31class AliPHOSPIDv0 : public AliPHOSPID {
32
33public:
34
35 AliPHOSPIDv0() ; // ctor
88cb7938 36 AliPHOSPIDv0(const char* evFolderName, const char * tsBranch = "Default");
b91d88dc 37 virtual ~AliPHOSPIDv0() ; // dtor
38
39 virtual void Exec(Option_t * option);
fbf811ec 40 // virtual char * GetRecParticlesBranch()const {return (char*) fRecParticlesTitle.Data() ;}
41 // virtual char * GetTrackSegmentsBranch()const{return (char*) fTrackSegmentsTitle.Data(); }
fc7e2f43 42 virtual Int_t GetRecParticlesInRun() const {return fRecParticlesInRun ;}
b91d88dc 43
44 virtual void PlotDispersionCuts()const ;
702ab87e 45 virtual void Print(const Option_t * = "")const ;
8e8eae84 46 virtual void SetIdentificationMethod(const char * option = "CPV DISP" ){fIDOptions = option ;}
47 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)") ;
b91d88dc 48 virtual void SetDispersionCut(Float_t cut){fDispersion = cut ; }
49 virtual void SetCpvtoEmcDistanceCut(Float_t cut ) {fCpvEmcDistance = cut ;}
50 virtual void SetTimeGate(Float_t gate) {fTimeGate = gate ;}
fbf811ec 51 // virtual void SetTrackSegmentsBranch(const char* title) { fTrackSegmentsTitle = title;}
52 // virtual void SetRecParticlesBranch (const char* title) { fRecParticlesTitle = title;}
8e8eae84 53 virtual const char * Version() const { return "pid-v0" ; }
88cb7938 54
b91d88dc 55 private:
56
57 virtual void Init() ;
58 void MakeRecParticles(void ) ;
59 Float_t GetDistance(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv, Option_t * Axis)const ; // Relative Distance CPV-EMC
60 TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv)const ;
61 void PrintRecParticles(Option_t * option) ;
88cb7938 62 virtual void WriteRecParticles();
b91d88dc 63
64 private:
65
b91d88dc 66 TString fTrackSegmentsTitle; // branch name with track segments
67 TString fRecPointsTitle ; // branch name with rec points
68 TString fRecParticlesTitle ; // branch name with rec particles
69 TString fIDOptions ; // PID option
70 Int_t fNEvent ; // current event number
71
72 AliPHOSClusterizer * fClusterizer ; // !
73 AliPHOSTrackSegmentMaker * fTSMaker ; // !
74
fbf811ec 75 TFormula * fFormula ; // formula to define cut on the shower elips axis
b91d88dc 76 Float_t fDispersion ; // dispersion cut
77 Float_t fCpvEmcDistance ; // Max EMC-CPV distance
78 Float_t fTimeGate ; // Time of the latest EmcRecPoint accepted as EM
79 Int_t fRecParticlesInRun ; //! Total number of recparticles in one run
80
81 ClassDef( AliPHOSPIDv0,1) // Particle identifier implementation version 1
82
83};
84
85#endif // AliPHOSPIDV0_H