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bdcfac30 | 1 | #ifndef ALIGAMMAMCREADER_H |
2 | #define ALIGAMMAMCREADER_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | /* $Id$ */ | |
6 | ||
7 | /* History of cvs commits: | |
8 | * | |
9 | * $Log$ | |
bdcfac30 | 10 | * |
11 | */ | |
12 | ||
13 | //_________________________________________________________________________ | |
14 | // Class for reading data (Kinematics) in order to do prompt gamma correlations | |
15 | // Class created from old AliPHOSGammaJet | |
16 | // (see AliRoot versions previous Release 4-09) | |
17 | ||
18 | //*-- Author: Gustavo Conesa (INFN-LNF) | |
19 | ||
20 | // --- ROOT system --- | |
3bb2c538 | 21 | class TArrayI ; |
22 | ||
23 | // --- AliRoot system --- | |
bdcfac30 | 24 | #include "AliGammaReader.h" |
25 | ||
bdcfac30 | 26 | class AliGammaMCReader : public AliGammaReader { |
27 | ||
28 | public: | |
29 | ||
30 | AliGammaMCReader() ; // ctor | |
31 | AliGammaMCReader(const AliGammaMCReader & g) ; // cpy ctor | |
32 | AliGammaMCReader & operator = (const AliGammaMCReader & g) ;//cpy assignment | |
3bb2c538 | 33 | virtual ~AliGammaMCReader() ;//virtual dtor |
bdcfac30 | 34 | |
3bb2c538 | 35 | enum DecayType {kNoDecay, kGeantDecay, kDecay, kDecayGamma}; |
bdcfac30 | 36 | |
37 | void InitParameters(); | |
38 | ||
3bb2c538 | 39 | Bool_t IsInEMCAL(Double_t phi, Double_t eta) const ; |
40 | Bool_t IsInPHOS(Double_t phi, Double_t eta) const ; | |
bdcfac30 | 41 | |
42 | Int_t GetDecayPi0Flag() const {return fDecayPi0 ; } | |
bdcfac30 | 43 | |
3bb2c538 | 44 | void Print(const Option_t * opt) const; |
bdcfac30 | 45 | |
46 | void SetDecayPi0Flag(Int_t d){ fDecayPi0 = d ; } | |
bdcfac30 | 47 | |
4b707925 | 48 | void SetCheckOverlapping(Bool_t check){fCheckOverlapping = check ;} |
3bb2c538 | 49 | Bool_t IsCheckOverlappingOn() const {return fCheckOverlapping ;} |
50 | ||
51 | void SetPhotonStatus(TParticle* pphoton, TParticle* mother); | |
52 | ||
53 | void AddNeutralParticlesArray(TArrayI & array) | |
54 | { fNeutralParticlesArray = new TArrayI(array) ; } | |
55 | TArrayI * GetNeutralParticlesArray() const {return fNeutralParticlesArray;} | |
4b707925 | 56 | |
57 | private: | |
58 | ||
59 | void CaseDecayGamma(Int_t index, TParticle * particle, AliStack * stack, | |
60 | TClonesArray * plEMCAL, Int_t &indexEMCAL, | |
61 | TClonesArray * plPHOS, Int_t &indexPHOS); | |
62 | ||
63 | void CaseGeantDecay(TParticle * particle, AliStack * stack, | |
64 | TClonesArray * plEMCAL, Int_t &indexEMCAL, | |
65 | TClonesArray * plPHOS, Int_t &indexPHOS); | |
66 | ||
67 | void CasePi0Decay(TParticle * particle, TClonesArray * plEMCAL, Int_t &indexEMCAL, | |
68 | TClonesArray * plPHOS, Int_t &indexPHOS); | |
69 | ||
bdcfac30 | 70 | void CreateParticleList(TObject * stack, TObject * , |
71 | TClonesArray * plCh, TClonesArray * plEMCAL, | |
4b707925 | 72 | TClonesArray * plPHOS, TClonesArray * plParton,TClonesArray *,TClonesArray *); |
73 | ||
74 | void FillListWithDecayGammaOrPi0(TParticle * pPi0, TParticle * pdaug0, TParticle * pdaug1, | |
75 | TClonesArray * plEMCAL, Int_t &indexEMCAL, | |
76 | TClonesArray * plPHOS, Int_t &indexPHOS); | |
77 | void MakePi0Decay(TLorentzVector &p0, TLorentzVector &p1, TLorentzVector &p2);//, Double_t &angle); | |
78 | ||
3bb2c538 | 79 | Bool_t SkipNeutralParticles(Int_t pdg) const ; |
80 | ||
4b707925 | 81 | private: |
bdcfac30 | 82 | |
3bb2c538 | 83 | Int_t fDecayPi0; //Options to study pi0 decay |
4b707925 | 84 | Bool_t fCheckOverlapping; // if True, check if gammas from decay overlapp in calorimeters. |
3bb2c538 | 85 | TArrayI * fNeutralParticlesArray ; //Do not keep neutral particles of the list. |
86 | ||
4b707925 | 87 | ClassDef(AliGammaMCReader,1) |
bdcfac30 | 88 | } ; |
4b707925 | 89 | |
bdcfac30 | 90 | |
91 | #endif //ALIGAMMAMCREADER_H | |
92 | ||
93 | ||
94 |