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

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

/* $Id$ */

//
// Realisation of AliGenReader to be used with AliGenExtFile
// It reads events from a ntuple like event structure.
// Author: andreas.morsch@cern.ch
//
#include "AliGenReader.h"
#include <Rtypes.h>


class AliGenReaderCwn : public AliGenReader
{
 public:
    AliGenReaderCwn();
    
    AliGenReaderCwn(const AliGenReaderCwn &reader):AliGenReader(reader)
	{reader.Copy(*this);}
    virtual ~AliGenReaderCwn();
        // Initialise 
    virtual void Init();
    // Read
    virtual Int_t NextEvent();
    virtual TParticle*  NextParticle();
    virtual void RewindEvent(){;}
    AliGenReaderCwn & operator=(const AliGenReaderCwn & rhs);
    
 protected:
    Int_t             fNcurrent;      // points to the next entry
    Int_t             fNparticle;     // particle number in event
    Int_t             fNparticleMax;  // number of particles in event    
    TTree            *fTreeNtuple;    // pointer to the TTree
    //Declaration of leaves types
    Int_t           fNihead;          // Number of entries in integer header  
    Int_t           fIhead[12];       // Integer header
    Int_t           fNrhead;          // Number of entries in float header
    Float_t         fRhead[6];        // Float header
    UInt_t          fIdpart;          // Particle type
    Float_t         fTheta;           // Theta 
    Float_t         fPhi;             // Phi
    Float_t         fP;               // Total momentum
    Float_t         fE;               // Total energy
 private:
    void Copy(TObject&) const;
    ClassDef(AliGenReaderCwn,1) // Read particles from cwn-ntuple
};
#endif
Commit	Line	Data
	1	#ifndef ALIGENREADERCWN_H
	2	#define ALIGENREADERCWN_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	//
	9	// Realisation of AliGenReader to be used with AliGenExtFile
	10	// It reads events from a ntuple like event structure.
	11	// Author: andreas.morsch@cern.ch
	12	//
	13	#include "AliGenReader.h"
	14	#include <Rtypes.h>
	15
	16
	17	class AliGenReaderCwn : public AliGenReader
	18	{
	19	public:
	20	AliGenReaderCwn();
	21
	22	AliGenReaderCwn(const AliGenReaderCwn &reader):AliGenReader(reader)
	23	{reader.Copy(*this);}
	24	virtual ~AliGenReaderCwn();
	25	// Initialise
	26	virtual void Init();
	27	// Read
	28	virtual Int_t NextEvent();
	29	virtual TParticle* NextParticle();
	30	virtual void RewindEvent(){;}
	31	AliGenReaderCwn & operator=(const AliGenReaderCwn & rhs);
	32
	33	protected:
	34	Int_t fNcurrent; // points to the next entry
	35	Int_t fNparticle; // particle number in event
	36	Int_t fNparticleMax; // number of particles in event
	37	TTree *fTreeNtuple; // pointer to the TTree
	38	//Declaration of leaves types
	39	Int_t fNihead; // Number of entries in integer header
	40	Int_t fIhead[12]; // Integer header
	41	Int_t fNrhead; // Number of entries in float header
	42	Float_t fRhead[6]; // Float header
	43	UInt_t fIdpart; // Particle type
	44	Float_t fTheta; // Theta
	45	Float_t fPhi; // Phi
	46	Float_t fP; // Total momentum
	47	Float_t fE; // Total energy
	48	private:
	49	void Copy(TObject&) const;
	50	ClassDef(AliGenReaderCwn,1) // Read particles from cwn-ntuple
	51	};
	52	#endif
	53
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