Now compatible with AliESDEvent. (A. Dainese)
[u/mrichter/AliRoot.git] / STEER / AliMCEventHandler.h
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033693d3 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.
13// Monte Carlo truth is containe in the kinematics tree (produced particles) and
14// the tree of reference hits.
15//
16// Origin: Andreas Morsch, CERN, andreas.morsch@cern.ch
17//-------------------------------------------------------------------------
18
d2f1d9ef 19#include "AliVEventHandler.h"
47b95647 20#include "AliHeader.h"
033693d3 21class TFile;
22class TTree;
23class TParticle;
24class TClonesArray;
25class AliHeader;
47b95647 26class AliGenEventHeader;
033693d3 27class AliStack;
28
29
d2f1d9ef 30class AliMCEventHandler : public AliVEventHandler
033693d3 31{
32public:
5fe09262 33 AliMCEventHandler();
34 AliMCEventHandler(const char* name, const char* title);
35 virtual ~AliMCEventHandler();
033693d3 36 virtual void SetOutputFileName(char* /* fname */) {;}
37 virtual char* GetOutputFileName() {return 0;}
5fe09262 38 virtual void SetInputPath(char* fname) {fPathName = fname;}
39 virtual char* GetInputPath() {return fPathName;}
033693d3 40 virtual Bool_t InitIO(Option_t* opt);
41 virtual Bool_t BeginEvent();
890126ab 42 virtual Bool_t Notify(const char* path);
033693d3 43 virtual Bool_t FinishEvent();
44 virtual Bool_t Terminate();
45 virtual Bool_t TerminateIO();
5fe09262 46 virtual void ResetIO();
9aea8469 47 virtual Bool_t GetEvent(Int_t iev);
033693d3 48 //
47b95647 49 AliStack* Stack() {return fStack;}
50 AliHeader* Header() {return fHeader;}
51 AliGenEventHeader* GenEventHeader() {return (fHeader->GenEventHeader());}
033693d3 52 TTree* TreeTR() {return fTreeTR;}
53 Int_t GetParticleAndTR(Int_t i, TParticle*& particle, TClonesArray*& trefs);
2d8f26f6 54 void DrawCheck(Int_t i, Int_t search=0);
5fe09262 55private:
9aea8469 56 Bool_t OpenFile(Int_t i);
5fe09262 57 void ReorderAndExpandTreeTR();
58
033693d3 59private:
60 TFile *fFileE; //! File with TreeE
61 TFile *fFileK; //! File with TreeK
62 TFile *fFileTR; //! File with TreeTR
5fe09262 63 TFile *fTmpFileTR; //! Temporary file with TreeTR to read old format
033693d3 64 TTree *fTreeE; //! TreeE (Event Headers)
65 TTree *fTreeK; //! TreeK (kinematics tree)
66 TTree *fTreeTR; //! TreeTR (track references tree)
5fe09262 67 TTree *fTmpTreeTR; //! Temporary tree TR to read old format
033693d3 68 AliStack *fStack; //! Current pointer to stack
69 AliHeader *fHeader; //! Current pointer to header
5fe09262 70 TClonesArray *fTrackReferences; //! Current list of track references
033693d3 71 Int_t fNEvent; //! Number of events
72 Int_t fEvent; //! Current event
73 Int_t fNprimaries; //! Number of primaries
5fe09262 74 Int_t fNparticles; //! Number of particles
75 char *fPathName; //! Input file path
9aea8469 76 char *fExtension; //! File name extension
77 Int_t fFileNumber; //! Input file number
78 Int_t fEventsPerFile; //! Number of events per file
5fe09262 79 ClassDef(AliMCEventHandler,1) //MC Truth EventHandler class
033693d3 80};
81#endif
82