[u/mrichter/AliRoot.git] / PHOS / AliPHOSFastGlobalReconstruction.h

#ifndef ALIPHOSFASTGLOBALRECONSTRUCTION_H
#define ALIPHOSFASTGLOBALRECONSTRUCTION_H
/* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

// Fast global reconstruction class.
// It performes fast reconstruction for charged particles only,
// assuming that they were detected by all central ALICE detectors but PHOS.
// This class acts as a filter for primary particles, selects them
// and deteriorates their 4-momenta.
//!
// Author: Yuri Kharlov. 17 April 2003

//_________________________________________________________________________
class AliGenerator;
class TClonesArray;
class AliPHOSGetter;

class AliPHOSFastGlobalReconstruction : public TObject {

public:
  AliPHOSFastGlobalReconstruction();
  AliPHOSFastGlobalReconstruction(const char* headerFile);
  
  AliPHOSFastGlobalReconstruction(const AliPHOSFastGlobalReconstruction &rhs);
  AliPHOSFastGlobalReconstruction & operator = (const AliPHOSFastGlobalReconstruction &);
  
  virtual ~AliPHOSFastGlobalReconstruction();
  void FastReconstruction(Int_t event);
  TClonesArray *GetRecParticles() const {return fParticles;}

private:
  Bool_t  Detected(TParticle *particle);
  Float_t Efficiency(Float_t pt, Float_t eta);
  void    SmearMomentum(TLorentzVector &p);

private:
  AliPHOSGetter *fgime;        //! Instance of the PHOS getter
  AliGenerator  *fGenerator;  //! MC generator used in simulation
  TClonesArray  *fParticles;  //! Array of reconstructed particles
  Int_t          fNParticles; //! Number of reconstructed particles

ClassDef(AliPHOSFastGlobalReconstruction,1)  // Fast global reconstruction
};

#endif // AliPHOSFASTGLOBALRECONSTRUCTION_H
Commit	Line	Data
8b2df7ae	1	#ifndef ALIPHOSFASTGLOBALRECONSTRUCTION_H
	2	#define ALIPHOSFASTGLOBALRECONSTRUCTION_H
	3	/* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
	7
	8	// Fast global reconstruction class.
	9	// It performes fast reconstruction for charged particles only,
	10	// assuming that they were detected by all central ALICE detectors but PHOS.
	11	// This class acts as a filter for primary particles, selects them
	12	// and deteriorates their 4-momenta.
	13	//!
	14	// Author: Yuri Kharlov. 17 April 2003
	15
	16	//_________________________________________________________________________
	17	class AliGenerator;
	18	class TClonesArray;
	19	class AliPHOSGetter;
	20
	21	class AliPHOSFastGlobalReconstruction : public TObject {
	22
	23	public:
43fbaae1	24	AliPHOSFastGlobalReconstruction();
8b2df7ae	25	AliPHOSFastGlobalReconstruction(const char* headerFile);
43fbaae1	26
	27	AliPHOSFastGlobalReconstruction(const AliPHOSFastGlobalReconstruction &rhs);
	28	AliPHOSFastGlobalReconstruction & operator = (const AliPHOSFastGlobalReconstruction &);
	29
8b2df7ae	30	virtual ~AliPHOSFastGlobalReconstruction();
	31	void FastReconstruction(Int_t event);
	32	TClonesArray *GetRecParticles() const {return fParticles;}
	33
	34	private:
	35	Bool_t Detected(TParticle *particle);
	36	Float_t Efficiency(Float_t pt, Float_t eta);
	37	void SmearMomentum(TLorentzVector &p);
	38
	39	private:
e957fea8	40	AliPHOSGetter *fgime; //! Instance of the PHOS getter
8b2df7ae	41	AliGenerator *fGenerator; //! MC generator used in simulation
	42	TClonesArray *fParticles; //! Array of reconstructed particles
	43	Int_t fNParticles; //! Number of reconstructed particles
	44
	45	ClassDef(AliPHOSFastGlobalReconstruction,1) // Fast global reconstruction
	46	};
	47
	48	#endif // AliPHOSFASTGLOBALRECONSTRUCTION_H