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969c7896 | 1 | // -*- mode: C++ -*- |
5fe09262 | 2 | #ifndef ALIMCEVENTHANDLER_H |
3 | #define ALIMCEVENTHANDLER_H | |
033693d3 | 4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
5 | * See cxx source for full Copyright notice */ | |
6 | ||
7 | ||
8 | /* $Id$ */ | |
9 | ||
10 | //------------------------------------------------------------------------- | |
11 | // Class AliMCEvent | |
12 | // This class gives access to MC truth during the analysis. | |
415d9f5c | 13 | // Monte Carlo truth is contained in the kinematics tree (produced particles) and |
033693d3 | 14 | // the tree of reference hits. |
15 | // | |
16 | // Origin: Andreas Morsch, CERN, andreas.morsch@cern.ch | |
17 | //------------------------------------------------------------------------- | |
d2f1d9ef | 18 | #include "AliVEventHandler.h" |
47b95647 | 19 | #include "AliHeader.h" |
da97a08a | 20 | #include <TExMap.h> |
21 | ||
033693d3 | 22 | class TFile; |
23 | class TTree; | |
93836e1b | 24 | class TList; |
25 | ||
033693d3 | 26 | class TParticle; |
0a05cd41 | 27 | class TString; |
033693d3 | 28 | class TClonesArray; |
5efedd31 | 29 | class TDirectoryFile; |
30 | ||
415d9f5c | 31 | class AliMCEvent; |
32 | ||
033693d3 | 33 | |
34 | ||
276be602 | 35 | class AliMCEventHandler : public AliVEventHandler |
033693d3 | 36 | { |
37 | public: | |
35152e4b | 38 | |
39 | enum PreReadMode_t {kNoPreRead = 0, kLmPreRead = 1, kHmPreRead = 2}; | |
40 | ||
5fe09262 | 41 | AliMCEventHandler(); |
42 | AliMCEventHandler(const char* name, const char* title); | |
43 | virtual ~AliMCEventHandler(); | |
0931e76a | 44 | virtual void SetOutputFileName(const char* /* fname */) {;} |
45 | virtual const char* GetOutputFileName() {return 0;} | |
46 | virtual void SetInputPath(const char* fname); | |
933fd60f | 47 | virtual void SetInputTree(TTree* /*tree*/) {;} |
d0916b2f | 48 | virtual TString* GetInputPath() const {return fPathName;} |
300d5701 | 49 | virtual Bool_t Init(Option_t* opt); |
50 | virtual Bool_t InitIO(Option_t* opt) {return Init(opt);}; | |
51 | virtual Bool_t Init(TTree* /*tree*/, Option_t* /*opt*/) {return kTRUE;} | |
ed97dc98 | 52 | virtual Bool_t BeginEvent(Long64_t entry); |
24e577e5 | 53 | virtual Bool_t Notify() { return AliVEventHandler::Notify(); }; |
890126ab | 54 | virtual Bool_t Notify(const char* path); |
033693d3 | 55 | virtual Bool_t FinishEvent(); |
56 | virtual Bool_t Terminate(); | |
57 | virtual Bool_t TerminateIO(); | |
5fe09262 | 58 | virtual void ResetIO(); |
9aea8469 | 59 | virtual Bool_t GetEvent(Int_t iev); |
969c7896 | 60 | virtual void SetReadTR(Bool_t flag) { fReadTR = flag; } |
93836e1b | 61 | virtual void AddSubsidiaryHandler(AliMCEventHandler* handler); |
62 | virtual void SetNumberOfEventsInContainer(Int_t nev) {fEventsInContainer = nev;} | |
35152e4b | 63 | virtual void SetPreReadMode(PreReadMode_t mode) {fPreReadMode = mode;} |
033693d3 | 64 | // |
2bb794ba | 65 | AliMCEvent* MCEvent() const {return fMCEvent;} |
d0916b2f | 66 | TTree* TreeTR() const {return fTreeTR;} |
67 | TTree* TreeK() const {return fTreeK;} | |
415d9f5c | 68 | Int_t GetParticleAndTR(Int_t i, TParticle*& particle, TClonesArray*& trefs); |
69 | void DrawCheck(Int_t i, Int_t search=0); | |
b72029a3 | 70 | Bool_t InitOk() {return fInitOk;} |
71 | // Label manipulation | |
72 | void SelectParticle(Int_t i); | |
73 | Bool_t IsParticleSelected(Int_t i); | |
74 | void CreateLabelMap(); | |
75 | Int_t GetNewLabel(Int_t i); | |
da97a08a | 76 | |
5fe09262 | 77 | private: |
415d9f5c | 78 | Bool_t OpenFile(Int_t i); |
da97a08a | 79 | void VerifySelectedParticles(); |
87d395bd | 80 | AliMCEventHandler(const AliMCEventHandler& handler); |
81 | AliMCEventHandler& operator=(const AliMCEventHandler& handler); | |
033693d3 | 82 | private: |
93836e1b | 83 | AliMCEvent *fMCEvent; //! MC Event |
84 | TFile *fFileE; //! File with TreeE | |
85 | TFile *fFileK; //! File with TreeK | |
86 | TFile *fFileTR; //! File with TreeTR | |
87 | TTree *fTreeE; //! TreeE (Event Headers) | |
88 | TTree *fTreeK; //! TreeK (kinematics tree) | |
89 | TTree *fTreeTR; //! TreeTR (track references tree) | |
90 | TDirectoryFile *fDirK; //! Directory for Kine Tree | |
91 | TDirectoryFile *fDirTR; //! Directory for TR Tree | |
92 | TExMap fParticleSelected; //! List of selected MC particles for t | |
93 | TExMap fLabelMap; //! Stores the Map of MC (ESDLabel,AODlabel) | |
94 | Int_t fNEvent; //! Number of events | |
95 | Int_t fEvent; //! Current event | |
96 | TString *fPathName; //! Input file path | |
97 | const Char_t *fExtension; //! File name extension | |
98 | Int_t fFileNumber; //! Input file number | |
99 | Int_t fEventsPerFile; //! Number of events per file | |
100 | Bool_t fReadTR; // determines if TR shall be read | |
101 | Bool_t fInitOk; // Initialization ok | |
102 | TList *fSubsidiaryHandlers; //! List of subsidiary MC handlers (for example for Background) | |
35152e4b | 103 | Int_t fEventsInContainer; //! Number of events in container class |
104 | PreReadMode_t fPreReadMode; //! Pre reading mode | |
105 | ||
969c7896 | 106 | ClassDef(AliMCEventHandler,1) //MC Truth EventHandler class |
033693d3 | 107 | }; |
108 | #endif | |
109 |