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3decf5cb | 1 | #ifndef ALIPHOSVFAST_H |
2 | #define ALIPHOSVFAST_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
3decf5cb | 6 | /* $Id$ */ |
7 | ||
b2a60966 | 8 | //_________________________________________________________________________ |
9 | // Implementation of the PHOS manager class for fast simulations | |
10 | // Tracks particles until the reach a grossly designed PHOS module | |
11 | // Modify the particles property (momentum, energy, type) according to | |
12 | // the PHOS response function. The result is called a virtual reconstructed | |
13 | // particle. | |
14 | // | |
15 | //*-- Author: Yves Schutz (SUBATECH) | |
16 | ||
3decf5cb | 17 | // --- ROOT system --- |
e957fea8 | 18 | //#include "TClonesArray.h" |
a73f33f0 | 19 | #include "TRandom.h" |
3decf5cb | 20 | |
3a4295ee | 21 | class TVector3 ; |
22 | class TFile; | |
23 | ||
3decf5cb | 24 | // --- AliRoot header files --- |
25 | #include "AliPHOS.h" | |
3a4295ee | 26 | class AliPHOSGeometry ; |
cede8016 | 27 | class AliPHOSFastRecParticle ; |
3decf5cb | 28 | |
29 | class AliPHOSvFast : public AliPHOS { | |
30 | ||
31 | public: | |
32 | ||
3a4295ee | 33 | AliPHOSvFast() ; |
3decf5cb | 34 | AliPHOSvFast(const char *name, const char *title="") ; |
780fda6d | 35 | AliPHOSvFast(AliPHOSvFast & fast) : AliPHOS(fast) { |
36 | fast.Copy(*this) ; | |
88cb7938 | 37 | } |
3decf5cb | 38 | virtual ~AliPHOSvFast(void) ; |
39 | ||
780fda6d | 40 | virtual void Copy(AliPHOSvFast & fast) ; |
a73f33f0 | 41 | void AddRecParticle(const AliPHOSFastRecParticle & rp) ; // adds primary particle to the RecParticles list |
42 | virtual void BuildGeometry(void) ; // creates the geometry for the ROOT display | |
43 | virtual void CreateGeometry(void) ; // creates the geometry for GEANT | |
3a4295ee | 44 | Float_t GetBigBox(Int_t index) const; |
a73f33f0 | 45 | virtual void Init(void) ; // does nothing |
3a4295ee | 46 | virtual Int_t IsVersion(void) const { |
47 | // Gives the version number | |
bd46a237 | 48 | return 99 ; |
3a4295ee | 49 | } |
50 | ||
88cb7938 | 51 | void MakeBranch(Option_t* opt); |
fc7e2f43 | 52 | Double_t MakeEnergy(Double_t energy) ; // makes the detected energy |
53 | TVector3 MakePosition(Double_t energy, TVector3 pos, Double_t th, Double_t ph) ; | |
b1aa729d | 54 | // makes the detected position |
fc7e2f43 | 55 | void MakeRecParticle(Int_t modid, TVector3 pos, AliPHOSFastRecParticle & rp) ; // makes a reconstructes particle from primary |
b1aa729d | 56 | Int_t MakeType(AliPHOSFastRecParticle & rp) ; // gets the detected type of particle |
88714635 | 57 | // gets TClonesArray of reconstructed particles |
3a4295ee | 58 | TClonesArray * FastRecParticles() const { return fFastRecParticles ; } |
f96d3dc7 | 59 | virtual void ResetPoints() ; |
60 | void ResetFastRecParticles() ; | |
b1aa729d | 61 | void SetBigBox(Int_t index, Float_t value) ; |
62 | Double_t SigmaE(Double_t energy) ; // calulates the energy resolution at a given Energy | |
7a9d98f9 | 63 | Double_t SigmaP(Double_t energy, Double_t inc) ; // calulates the position resolution at a given Energy at a given incidence |
b1aa729d | 64 | virtual void StepManager(void) ; // does the tracking through PHOS and a preliminary digitalization |
bd46a237 | 65 | virtual const TString Version(void)const { |
3a4295ee | 66 | // As IsVersion |
67 | return TString("vFast") ; | |
68 | } | |
839ffcb3 | 69 | |
88cb7938 | 70 | AliPHOSvFast & operator = (const AliPHOSvFast & ) { |
721eb17e | 71 | Fatal("operator =", "not implemented") ; return *this ; |
88cb7938 | 72 | } |
3decf5cb | 73 | |
74 | private: | |
75 | ||
a73f33f0 | 76 | Float_t fBigBoxX ; // main box containing all PHOS (EMC+PPSD) |
77 | Float_t fBigBoxY ; // main box containing all PHOS (EMC+PPSD) | |
78 | Float_t fBigBoxZ ; // main box containing all PHOS (EMC+PPSD) | |
cede8016 | 79 | TClonesArray * fFastRecParticles ; // list of particles modified by the response function |
a73f33f0 | 80 | Int_t fNRecParticles ; // number of detected particles |
81 | TRandom fRan ; // random number generator | |
b1aa729d | 82 | Double_t fResPara1 ; // parameter for the energy resolution dependence |
83 | Double_t fResPara2 ; // parameter for the energy resolution dependence | |
84 | Double_t fResPara3 ; // parameter for the energy resolution dependence | |
85 | Double_t fPosParaA0 ; // parameter for the position resolution | |
86 | Double_t fPosParaA1 ; // parameter for the position resolution | |
87 | Double_t fPosParaB0 ; // parameter for the position resolution | |
88 | Double_t fPosParaB1 ; // parameter for the position resolution | |
89 | Double_t fPosParaB2 ; // parameter for the position resolution | |
3decf5cb | 90 | |
b2a60966 | 91 | ClassDef(AliPHOSvFast,1) // Implementation of the PHOS manager class for fast simulations |
3decf5cb | 92 | |
93 | }; | |
94 | ||
95 | #endif // AliPHOSVFAST_H |