2 #ifndef ALIMCEVENTHANDLER_H
3 #define ALIMCEVENTHANDLER_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
10 //-------------------------------------------------------------------------
12 // This class gives access to MC truth during the analysis.
13 // Monte Carlo truth is contained in the kinematics tree (produced particles) and
14 // the tree of reference hits.
16 // Origin: Andreas Morsch, CERN, andreas.morsch@cern.ch
17 //-------------------------------------------------------------------------
18 #include "AliVEventHandler.h"
19 #include "AliHeader.h"
33 class AliMCEventHandler : public AliVEventHandler
37 AliMCEventHandler(const char* name, const char* title);
38 virtual ~AliMCEventHandler();
39 virtual void SetOutputFileName(const char* /* fname */) {;}
40 virtual const char* GetOutputFileName() {return 0;}
41 virtual void SetInputPath(const char* fname);
42 virtual void SetInputTree(TTree* /*tree*/) {;}
43 virtual TString* GetInputPath() const {return fPathName;}
44 virtual Bool_t Init(Option_t* opt);
45 virtual Bool_t InitIO(Option_t* opt) {return Init(opt);};
46 virtual Bool_t Init(TTree* /*tree*/, Option_t* /*opt*/) {return kTRUE;}
47 virtual Bool_t BeginEvent(Long64_t entry);
48 virtual Bool_t Notify() { return AliVEventHandler::Notify(); };
49 virtual Bool_t Notify(const char* path);
50 virtual Bool_t FinishEvent();
51 virtual Bool_t Terminate();
52 virtual Bool_t TerminateIO();
53 virtual void ResetIO();
54 virtual Bool_t GetEvent(Int_t iev);
55 virtual void SetReadTR(Bool_t flag) { fReadTR = flag; }
57 AliMCEvent* MCEvent() const {return fMCEvent;}
58 TTree* TreeTR() const {return fTreeTR;}
59 TTree* TreeK() const {return fTreeK;}
60 Int_t GetParticleAndTR(Int_t i, TParticle*& particle, TClonesArray*& trefs);
61 void DrawCheck(Int_t i, Int_t search=0);
64 void SelectParticle(Int_t i);
65 Bool_t IsParticleSelected(Int_t i);
66 void CreateLabelMap();
67 Int_t GetNewLabel(Int_t i);
70 Bool_t OpenFile(Int_t i);
71 void VerifySelectedParticles();
72 AliMCEventHandler(const AliMCEventHandler& handler);
73 AliMCEventHandler& operator=(const AliMCEventHandler& handler);
75 AliMCEvent *fMCEvent; //! MC Event
76 TFile *fFileE; //! File with TreeE
77 TFile *fFileK; //! File with TreeK
78 TFile *fFileTR; //! File with TreeTR
79 TTree *fTreeE; //! TreeE (Event Headers)
80 TTree *fTreeK; //! TreeK (kinematics tree)
81 TTree *fTreeTR; //! TreeTR (track references tree)
82 TDirectoryFile *fDirK; //! Directory for Kine Tree
83 TDirectoryFile *fDirTR; //! Directory for TR Tree
84 TExMap fParticleSelected; //! List of selected MC particles for t
85 TExMap fLabelMap; //! Stores the Map of MC (ESDLabel,AODlabel)
86 Int_t fNEvent; //! Number of events
87 Int_t fEvent; //! Current event
88 TString *fPathName; //! Input file path
89 char *fExtension; //! File name extension
90 Int_t fFileNumber; //! Input file number
91 Int_t fEventsPerFile; //! Number of events per file
92 Bool_t fReadTR; // determines if TR shall be read
93 Bool_t fInitOk; // Initialization ok
94 ClassDef(AliMCEventHandler,1) //MC Truth EventHandler class