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 containe in the kinematics tree (produced particles) and
14 // the tree of reference hits.
16 // Origin: Andreas Morsch, CERN, andreas.morsch@cern.ch
17 //-------------------------------------------------------------------------
19 #include "AliVEventHandler.h"
28 class AliMCEventHandler : public AliVEventHandler
32 AliMCEventHandler(const char* name, const char* title);
33 virtual ~AliMCEventHandler();
34 virtual void SetOutputFileName(char* /* fname */) {;}
35 virtual char* GetOutputFileName() {return 0;}
36 virtual void SetInputPath(char* fname) {fPathName = fname;}
37 virtual char* GetInputPath() {return fPathName;}
38 virtual Bool_t InitIO(Option_t* opt);
39 virtual Bool_t BeginEvent();
40 virtual Bool_t Notify(const char* path);
41 virtual Bool_t FinishEvent();
42 virtual Bool_t Terminate();
43 virtual Bool_t TerminateIO();
44 virtual void ResetIO();
45 virtual Bool_t GetEvent(Int_t iev);
48 AliStack* Stack() {return fStack;}
49 TTree* TreeTR() {return fTreeTR;}
50 Int_t GetParticleAndTR(Int_t i, TParticle*& particle, TClonesArray*& trefs);
51 void DrawCheck(Int_t i, Bool_t search=kFALSE);
53 Bool_t OpenFile(Int_t i);
54 void ReorderAndExpandTreeTR();
57 TFile *fFileE; //! File with TreeE
58 TFile *fFileK; //! File with TreeK
59 TFile *fFileTR; //! File with TreeTR
60 TFile *fTmpFileTR; //! Temporary file with TreeTR to read old format
61 TTree *fTreeE; //! TreeE (Event Headers)
62 TTree *fTreeK; //! TreeK (kinematics tree)
63 TTree *fTreeTR; //! TreeTR (track references tree)
64 TTree *fTmpTreeTR; //! Temporary tree TR to read old format
65 AliStack *fStack; //! Current pointer to stack
66 AliHeader *fHeader; //! Current pointer to header
67 TClonesArray *fTrackReferences; //! Current list of track references
68 Int_t fNEvent; //! Number of events
69 Int_t fEvent; //! Current event
70 Int_t fNprimaries; //! Number of primaries
71 Int_t fNparticles; //! Number of particles
72 char *fPathName; //! Input file path
73 char *fExtension; //! File name extension
74 Int_t fFileNumber; //! Input file number
75 Int_t fEventsPerFile; //! Number of events per file
76 ClassDef(AliMCEventHandler,1) //MC Truth EventHandler class