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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 --- |
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="") ; |
839ffcb3 | 35 | AliPHOSvFast(const AliPHOSvFast & fast) { |
36 | // cpy ctor: no implementation yet | |
37 | // requested by the Coding Convention | |
38 | assert(0==1) ; | |
39 | } | |
3decf5cb | 40 | virtual ~AliPHOSvFast(void) ; |
41 | ||
3a4295ee | 42 | virtual void AddHit( Int_t shunt, Int_t primary, Int_t track, Int_t id, Float_t *hits ) { |
43 | // useless since there are no hits | |
44 | assert(0==1) ; | |
45 | } | |
a73f33f0 | 46 | void AddRecParticle(const AliPHOSFastRecParticle & rp) ; // adds primary particle to the RecParticles list |
47 | virtual void BuildGeometry(void) ; // creates the geometry for the ROOT display | |
48 | virtual void CreateGeometry(void) ; // creates the geometry for GEANT | |
3a4295ee | 49 | Float_t GetBigBox(Int_t index) const; |
a73f33f0 | 50 | virtual void Init(void) ; // does nothing |
3a4295ee | 51 | virtual Int_t IsVersion(void) const { |
52 | // Gives the version number | |
53 | return 4 ; | |
54 | } | |
55 | ||
9e1a0ddb | 56 | void MakeBranch(Option_t* opt, const char *file=0) ; |
a73f33f0 | 57 | Double_t MakeEnergy(const Double_t energy) ; // makes the detected energy |
b1aa729d | 58 | TVector3 MakePosition(const Double_t energy, const TVector3 pos, const Double_t th, const Double_t ph) ; |
59 | // makes the detected position | |
60 | void MakeRecParticle(const Int_t modid, const TVector3 pos, AliPHOSFastRecParticle & rp) ; // makes a reconstructes particle from primary | |
61 | Int_t MakeType(AliPHOSFastRecParticle & rp) ; // gets the detected type of particle | |
88714635 | 62 | // gets TClonesArray of reconstructed particles |
3a4295ee | 63 | TClonesArray * FastRecParticles() const { return fFastRecParticles ; } |
f96d3dc7 | 64 | virtual void ResetPoints() ; |
65 | void ResetFastRecParticles() ; | |
b1aa729d | 66 | void SetBigBox(Int_t index, Float_t value) ; |
67 | Double_t SigmaE(Double_t energy) ; // calulates the energy resolution at a given Energy | |
7a9d98f9 | 68 | Double_t SigmaP(Double_t energy, Double_t inc) ; // calulates the position resolution at a given Energy at a given incidence |
b1aa729d | 69 | virtual void StepManager(void) ; // does the tracking through PHOS and a preliminary digitalization |
3a4295ee | 70 | virtual TString Version(void){ |
71 | // As IsVersion | |
72 | return TString("vFast") ; | |
73 | } | |
839ffcb3 | 74 | |
3a4295ee | 75 | AliPHOSvFast & operator = (const AliPHOSvFast & ) { |
76 | // assignement operator requested by coding convention but not needed | |
839ffcb3 | 77 | assert(0==1) ; |
78 | return *this ; | |
79 | } | |
3decf5cb | 80 | |
81 | private: | |
82 | ||
a73f33f0 | 83 | Float_t fBigBoxX ; // main box containing all PHOS (EMC+PPSD) |
84 | Float_t fBigBoxY ; // main box containing all PHOS (EMC+PPSD) | |
85 | Float_t fBigBoxZ ; // main box containing all PHOS (EMC+PPSD) | |
cede8016 | 86 | TClonesArray * fFastRecParticles ; // list of particles modified by the response function |
a73f33f0 | 87 | Int_t fNRecParticles ; // number of detected particles |
88 | TRandom fRan ; // random number generator | |
b1aa729d | 89 | Double_t fResPara1 ; // parameter for the energy resolution dependence |
90 | Double_t fResPara2 ; // parameter for the energy resolution dependence | |
91 | Double_t fResPara3 ; // parameter for the energy resolution dependence | |
92 | Double_t fPosParaA0 ; // parameter for the position resolution | |
93 | Double_t fPosParaA1 ; // parameter for the position resolution | |
94 | Double_t fPosParaB0 ; // parameter for the position resolution | |
95 | Double_t fPosParaB1 ; // parameter for the position resolution | |
96 | Double_t fPosParaB2 ; // parameter for the position resolution | |
3decf5cb | 97 | |
b2a60966 | 98 | ClassDef(AliPHOSvFast,1) // Implementation of the PHOS manager class for fast simulations |
3decf5cb | 99 | |
100 | }; | |
101 | ||
102 | #endif // AliPHOSVFAST_H |