- Three classes by MinJung Kweon AliHFEpriVtx, AliHFEsecVtx and AliHFEmcQA for primar...
[u/mrichter/AliRoot.git] / STEER / AliMCEventHandler.h
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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 22class TFile;
23class TTree;
24class TParticle;
0a05cd41 25class TString;
033693d3 26class TClonesArray;
5efedd31 27class TDirectoryFile;
28
415d9f5c 29class AliMCEvent;
30
033693d3 31
32
276be602 33class AliMCEventHandler : public AliVEventHandler
033693d3 34{
35public:
5fe09262 36 AliMCEventHandler();
37 AliMCEventHandler(const char* name, const char* title);
38 virtual ~AliMCEventHandler();
0931e76a 39 virtual void SetOutputFileName(const char* /* fname */) {;}
40 virtual const char* GetOutputFileName() {return 0;}
41 virtual void SetInputPath(const char* fname);
933fd60f 42 virtual void SetInputTree(TTree* /*tree*/) {;}
d0916b2f 43 virtual TString* GetInputPath() const {return fPathName;}
300d5701 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;}
ed97dc98 47 virtual Bool_t BeginEvent(Long64_t entry);
24e577e5 48 virtual Bool_t Notify() { return AliVEventHandler::Notify(); };
890126ab 49 virtual Bool_t Notify(const char* path);
033693d3 50 virtual Bool_t FinishEvent();
51 virtual Bool_t Terminate();
52 virtual Bool_t TerminateIO();
5fe09262 53 virtual void ResetIO();
9aea8469 54 virtual Bool_t GetEvent(Int_t iev);
969c7896 55 virtual void SetReadTR(Bool_t flag) { fReadTR = flag; }
033693d3 56 //
2bb794ba 57 AliMCEvent* MCEvent() const {return fMCEvent;}
d0916b2f 58 TTree* TreeTR() const {return fTreeTR;}
59 TTree* TreeK() const {return fTreeK;}
415d9f5c 60 Int_t GetParticleAndTR(Int_t i, TParticle*& particle, TClonesArray*& trefs);
61 void DrawCheck(Int_t i, Int_t search=0);
b72029a3 62 Bool_t InitOk() {return fInitOk;}
63 // Label manipulation
64 void SelectParticle(Int_t i);
65 Bool_t IsParticleSelected(Int_t i);
66 void CreateLabelMap();
67 Int_t GetNewLabel(Int_t i);
da97a08a 68
5fe09262 69private:
415d9f5c 70 Bool_t OpenFile(Int_t i);
da97a08a 71 void VerifySelectedParticles();
87d395bd 72 AliMCEventHandler(const AliMCEventHandler& handler);
73 AliMCEventHandler& operator=(const AliMCEventHandler& handler);
033693d3 74private:
415d9f5c 75 AliMCEvent *fMCEvent; //! MC Event
033693d3 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)
5efedd31 82 TDirectoryFile *fDirK; //! Directory for Kine Tree
83 TDirectoryFile *fDirTR; //! Directory for TR Tree
da97a08a 84 TExMap fParticleSelected; //! List of selected MC particles for t
85 TExMap fLabelMap; //! Stores the Map of MC (ESDLabel,AODlabel)
033693d3 86 Int_t fNEvent; //! Number of events
87 Int_t fEvent; //! Current event
0a05cd41 88 TString *fPathName; //! Input file path
a6e0ebfe 89 const Char_t *fExtension; //! File name extension
9aea8469 90 Int_t fFileNumber; //! Input file number
91 Int_t fEventsPerFile; //! Number of events per file
969c7896 92 Bool_t fReadTR; // determines if TR shall be read
c8b7b5d3 93 Bool_t fInitOk; // Initialization ok
969c7896 94 ClassDef(AliMCEventHandler,1) //MC Truth EventHandler class
033693d3 95};
96#endif
97