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1 | #ifndef ALIMCANALYSISUTILS_H | |
2 | #define ALIMCANALYSISUTILS_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 | //_________________________________________________________________________ | |
8 | // Class for analysis utils for MC data | |
9 | // stored in stack or event header. | |
10 | // Contains: | |
11 | // - method to check the origin of a given track/cluster | |
12 | // - method to obtain the generated jets | |
13 | // | |
14 | //*-- Author: Gustavo Conesa (INFN-LNF) | |
15 | ||
16 | // --- ROOT system --- | |
17 | #include <TObject.h> | |
18 | #include <TString.h> | |
19 | class TList ; | |
20 | ||
21 | //--- AliRoot system --- | |
22 | class AliCaloTrackReader ; | |
23 | class AliStack ; | |
24 | ||
25 | class AliMCAnalysisUtils : public TObject { | |
26 | ||
27 | public: | |
28 | AliMCAnalysisUtils() ; // ctor | |
29 | virtual ~AliMCAnalysisUtils() ;//virtual dtor | |
30 | private: | |
31 | AliMCAnalysisUtils & operator = (const AliMCAnalysisUtils & ) ;//cpy assignment | |
32 | AliMCAnalysisUtils(const AliMCAnalysisUtils & mcu) ; // cpy ctor | |
33 | ||
34 | public: | |
35 | //"Mostly" photon parent types on line 1, | |
36 | // | |
37 | //then "mostly" electron parent types on line 2, (e.g. electrons can | |
38 | //come from pi0 decay) | |
39 | //then charged particles on line 3, | |
40 | //followed by other and unknown on line 4 | |
41 | enum mcTypes {kMCPhoton, kMCPrompt, kMCFragmentation, kMCISR, kMCPi0Decay, kMCEtaDecay, kMCOtherDecay, kMCConversion, | |
42 | kMCElectron, kMCEFromCFromB, kMCEFromC, kMCEFromB, kMCZDecay, kMCWDecay, | |
43 | kMCMuon, kMCPion, kMCPi0, kMCKaon, kMCEta, kMCProton, | |
44 | kMCOther, kMCUnknown}; | |
45 | ||
46 | //Check only the label of the most significant particle | |
47 | Int_t CheckOrigin(const Int_t label, AliCaloTrackReader * reader, const Int_t input) ; | |
48 | //Check the label of the most significant particle but do checks on the rest of the contributing labels | |
49 | Int_t CheckOrigin(const Int_t *label, const Int_t nlabels, AliCaloTrackReader * reader, const Int_t input) ; | |
50 | ||
51 | Int_t CheckOriginInStack(const Int_t *labels, const Int_t nlabels, AliStack * stack) ; | |
52 | Int_t CheckOriginInAOD (const Int_t *labels, const Int_t nlabels, TClonesArray* mcparticles) ; | |
53 | ||
54 | void CheckOverlapped2GammaDecay(const Int_t *labels, const Int_t nlabels, const Int_t mesonIndex, AliStack * stack, Int_t & tag); | |
55 | void CheckOverlapped2GammaDecay(const Int_t *labels, const Int_t nlabels, const Int_t mesonIndex, TClonesArray* mcparticles, Int_t & tag); | |
56 | ||
57 | TList * GetJets(AliCaloTrackReader * const reader) ; | |
58 | ||
59 | void SetTagBit(Int_t &tag, const UInt_t set) const { | |
60 | // Set bit of type set (mcTypes) in tag | |
61 | tag |= (1<<set) ; | |
62 | } | |
63 | ||
64 | Bool_t CheckTagBit(const Int_t tag, const UInt_t test) const { | |
65 | // Check if in tag the bit test (mcTypes) is set. | |
66 | if (tag & (1<<test) ) return kTRUE ; | |
67 | else return kFALSE ; | |
68 | } | |
69 | ||
70 | void Print(const Option_t * opt)const; | |
71 | ||
72 | void SetDebug(Int_t deb) {fDebug=deb;} | |
73 | Int_t GetDebug() const {return fDebug;} | |
74 | ||
75 | void SetMCGenerator(TString mcgen) {fMCGenerator=mcgen;} | |
76 | TString GetMCGenerator() const {return fMCGenerator;} | |
77 | ||
78 | private: | |
79 | Int_t fCurrentEvent; // Current Event | |
80 | Int_t fDebug; // Debug level | |
81 | TList * fJetsList; // List of jets | |
82 | TString fMCGenerator; // MC geneator used to generate data in simulation | |
83 | ||
84 | ClassDef(AliMCAnalysisUtils,3) | |
85 | } ; | |
86 | ||
87 | ||
88 | #endif //ALIMCANALYSISUTILS_H | |
89 | ||
90 | ||
91 |