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"
31 class AliMCEventHandler : public AliVEventHandler
35 AliMCEventHandler(const char* name, const char* title);
36 virtual ~AliMCEventHandler();
37 virtual void SetOutputFileName(char* /* fname */) {;}
38 virtual char* GetOutputFileName() {return 0;}
39 virtual void SetInputPath(char* fname);
40 virtual void SetInputTree(TTree* /*tree*/) {;}
41 virtual TString* GetInputPath() {return fPathName;}
42 virtual Bool_t InitIO(Option_t* opt);
43 virtual Bool_t BeginEvent();
44 virtual Bool_t Notify(const char* path);
45 virtual Bool_t FinishEvent();
46 virtual Bool_t Terminate();
47 virtual Bool_t TerminateIO();
48 virtual void ResetIO();
49 virtual Bool_t GetEvent(Int_t iev);
51 AliMCEvent* MCEvent() {return fMCEvent;}
52 TTree* TreeTR() {return fTreeTR;}
53 Int_t GetParticleAndTR(Int_t i, TParticle*& particle, TClonesArray*& trefs);
54 void DrawCheck(Int_t i, Int_t search=0);
56 Bool_t OpenFile(Int_t i);
58 AliMCEvent *fMCEvent; //! MC Event
59 TFile *fFileE; //! File with TreeE
60 TFile *fFileK; //! File with TreeK
61 TFile *fFileTR; //! File with TreeTR
62 TTree *fTreeE; //! TreeE (Event Headers)
63 TTree *fTreeK; //! TreeK (kinematics tree)
64 TTree *fTreeTR; //! TreeTR (track references tree)
65 TDirectoryFile *fDirK; //! Directory for Kine Tree
66 TDirectoryFile *fDirTR; //! Directory for TR Tree
67 Int_t fNEvent; //! Number of events
68 Int_t fEvent; //! Current event
69 TString *fPathName; //! Input file path
70 char *fExtension; //! File name extension
71 Int_t fFileNumber; //! Input file number
72 Int_t fEventsPerFile; //! Number of events per file
73 ClassDef(AliMCEventHandler,1) //MC Truth EventHandler class