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 BuildGeometry(void) ; // creates the geometry for the ROOT display
51 virtual void CreateGeometry(void) ; // creates the geometry for GEANT
52 Float_t GetBigBox(Int_t index) const;
53 virtual void Init(void) ; // does nothing
54 virtual Int_t IsVersion(void) const {
55 // Gives the version number
59 void MakeBranch(Option_t* opt);
60 Double_t MakeEnergy(Double_t energy) ; // makes the detected energy
61 TVector3 MakePosition(Double_t energy, TVector3 pos, Double_t th, Double_t ph) ;
62 // makes the detected position
63 void MakeRecParticle(Int_t modid, TVector3 pos, AliPHOSFastRecParticle & rp) ; // makes a reconstructes particle from primary
64 Int_t MakeType(AliPHOSFastRecParticle & rp) ; // gets the detected type of particle
65 // gets TClonesArray of reconstructed particles
66 TClonesArray * FastRecParticles() const { return fFastRecParticles ; }
67 virtual void ResetPoints() ;
68 void ResetFastRecParticles() ;
69 void SetBigBox(Int_t index, Float_t value) ;
70 Double_t SigmaE(Double_t energy) ; // calulates the energy resolution at a given Energy
71 Double_t SigmaP(Double_t energy, Double_t inc) ; // calulates the position resolution at a given Energy at a given incidence
72 virtual void StepManager(void) ; // does the tracking through PHOS and a preliminary digitalization
73 virtual const TString Version(void)const {
75 return TString("vFast") ;
79 AliPHOSvFast(AliPHOSvFast & fast);
80 AliPHOSvFast & operator = (const AliPHOSvFast & );
82 Float_t fBigBoxX ; // main box containing all PHOS (EMC+PPSD)
83 Float_t fBigBoxY ; // main box containing all PHOS (EMC+PPSD)
84 Float_t fBigBoxZ ; // main box containing all PHOS (EMC+PPSD)
85 TClonesArray * fFastRecParticles ; // list of particles modified by the response function
86 Int_t fNRecParticles ; // number of detected particles
87 TRandom fRan ; // random number generator
88 Double_t fResPara1 ; // parameter for the energy resolution dependence
89 Double_t fResPara2 ; // parameter for the energy resolution dependence
90 Double_t fResPara3 ; // parameter for the energy resolution dependence
91 Double_t fPosParaA0 ; // parameter for the position resolution
92 Double_t fPosParaA1 ; // parameter for the position resolution
93 Double_t fPosParaB0 ; // parameter for the position resolution
94 Double_t fPosParaB1 ; // parameter for the position resolution
95 Double_t fPosParaB2 ; // parameter for the position resolution
97 ClassDef(AliPHOSvFast,1) // Implementation of the PHOS manager class for fast simulations
101 #endif // AliPHOSVFAST_H