3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 /* History of cvs commits:
11 * Revision 1.26 2006/09/13 07:31:01 kharlov
12 * Effective C++ corrections (T.Pocheptsov)
14 * Revision 1.25 2005/05/28 14:19:05 schutz
15 * Compilation warnings fixed by T.P.
19 //_________________________________________________________________________
20 // Implementation of the PHOS manager class for fast simulations
21 // Tracks particles until the reach a grossly designed PHOS module
22 // Modify the particles property (momentum, energy, type) according to
23 // the PHOS response function. The result is called a virtual reconstructed
26 //*-- Author: Yves Schutz (SUBATECH)
28 // --- ROOT system ---
29 //#include "TClonesArray.h"
35 // --- AliRoot header files ---
37 class AliPHOSGeometry ;
38 class AliPHOSFastRecParticle ;
40 class AliPHOSvFast : public AliPHOS {
45 AliPHOSvFast(const char *name, const char *title="") ;
47 virtual ~AliPHOSvFast(void) ;
49 void AddRecParticle(const AliPHOSFastRecParticle & rp) ; // adds primary particle to the RecParticles list
50 virtual void CreateGeometry(void) ; // creates the geometry for GEANT
51 Float_t GetBigBox(Int_t index) const;
52 virtual void Init(void) ; // does nothing
53 virtual Int_t IsVersion(void) const {
54 // Gives the version number
58 void MakeBranch(Option_t* opt);
59 Double_t MakeEnergy(Double_t energy) ; // makes the detected energy
60 TVector3 MakePosition(Double_t energy, TVector3 pos, Double_t th, Double_t ph) ;
61 // makes the detected position
62 void MakeRecParticle(Int_t modid, TVector3 pos, AliPHOSFastRecParticle & rp) ; // makes a reconstructes particle from primary
63 Int_t MakeType(AliPHOSFastRecParticle & rp) ; // gets the detected type of particle
64 // gets TClonesArray of reconstructed particles
65 TClonesArray * FastRecParticles() const { return fFastRecParticles ; }
66 virtual void ResetPoints() ;
67 void ResetFastRecParticles() ;
68 void SetBigBox(Int_t index, Float_t value) ;
69 Double_t SigmaE(Double_t energy) ; // calulates the energy resolution at a given Energy
70 Double_t SigmaP(Double_t energy, Double_t inc) ; // calulates the position resolution at a given Energy at a given incidence
71 virtual void StepManager(void) ; // does the tracking through PHOS and a preliminary digitalization
72 virtual const TString Version(void)const {
74 return TString("vFast") ;
78 AliPHOSvFast(AliPHOSvFast & fast);
79 AliPHOSvFast & operator = (const AliPHOSvFast & );
81 Float_t fBigBoxX ; // main box containing all PHOS (EMC+PPSD)
82 Float_t fBigBoxY ; // main box containing all PHOS (EMC+PPSD)
83 Float_t fBigBoxZ ; // main box containing all PHOS (EMC+PPSD)
84 TClonesArray * fFastRecParticles ; // list of particles modified by the response function
85 Int_t fNRecParticles ; // number of detected particles
86 TRandom fRan ; // random number generator
87 Double_t fResPara1 ; // parameter for the energy resolution dependence
88 Double_t fResPara2 ; // parameter for the energy resolution dependence
89 Double_t fResPara3 ; // parameter for the energy resolution dependence
90 Double_t fPosParaA0 ; // parameter for the position resolution
91 Double_t fPosParaA1 ; // parameter for the position resolution
92 Double_t fPosParaB0 ; // parameter for the position resolution
93 Double_t fPosParaB1 ; // parameter for the position resolution
94 Double_t fPosParaB2 ; // parameter for the position resolution
96 ClassDef(AliPHOSvFast,1) // Implementation of the PHOS manager class for fast simulations
100 #endif // AliPHOSVFAST_H