[u/mrichter/AliRoot.git] / EVGEN / AliVertexGenFile.h

#ifndef ALIVERTEXGENFILE_H
#define ALIVERTEXGENFILE_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

#include "AliVertexGenerator.h"

class TFile;
class TTree;
class AliHeader;


class AliVertexGenFile: public AliVertexGenerator {
 public:
  AliVertexGenFile();
  AliVertexGenFile(const char* fileName, Int_t eventsPerEntry = 1);
  virtual ~AliVertexGenFile();

  virtual TVector3 GetVertex();

 private:
  TFile*           fFile;           //! galice file with vertices
  TTree*           fTree;           //! tree with headers
  AliHeader*       fHeader;         //! event header
  Int_t            fEventsPerEntry; // number of events with same vertex
  Int_t            fEvent;          //! current event number

  ClassDef(AliVertexGenFile, 1)     // generator for vertices taken from a file
};

#endif
Commit	Line	Data
14248849	1	#ifndef ALIVERTEXGENFILE_H
	2	#define ALIVERTEXGENFILE_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
	7
	8	#include "AliVertexGenerator.h"
	9
	10	class TFile;
	11	class TTree;
	12	class AliHeader;
	13
	14
	15	class AliVertexGenFile: public AliVertexGenerator {
	16	public:
	17	AliVertexGenFile();
	18	AliVertexGenFile(const char* fileName, Int_t eventsPerEntry = 1);
	19	virtual ~AliVertexGenFile();
	20
	21	virtual TVector3 GetVertex();
	22
	23	private:
	24	TFile* fFile; //! galice file with vertices
	25	TTree* fTree; //! tree with headers
	26	AliHeader* fHeader; //! event header
	27	Int_t fEventsPerEntry; // number of events with same vertex
	28	Int_t fEvent; //! current event number
	29
	30	ClassDef(AliVertexGenFile, 1) // generator for vertices taken from a file
	31	};
	32
	33	#endif
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