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

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

/* $Id$ */

/* History of cvs commits:
 *
 * $Log$
 */

//_________________________________________________________________________
//  Hit impact class for PHOS     
//  A hit impact in PHOS is a set of parameters of a track which
//  enters the detector for the first time.
//  Track parameters are:
//  - track number
//  - primary particle number
//  - type of a particle
//  - impact coordinate
//  - impact 4-momentum
//               
//*-- Author: Yuri Kharlov (IHEP, Protvino/SUBATECH, Nantes)

// --- ROOT system ---
#include <TLorentzVector.h>

// --- AliRoot header files ---
#include "AliHit.h"

// --- Standard library ---

class AliPHOSImpact : public AliHit {

public:
  
  AliPHOSImpact() { }              // default ctor 
  AliPHOSImpact(const AliPHOSImpact & hit) ; 
  AliPHOSImpact(Int_t shunt, Int_t primary, Int_t track, Int_t pid, TLorentzVector p, Float_t *xyz);
  virtual ~AliPHOSImpact(void) { } // dtor 
  
  Int_t   GetPid(void)         const { 
    // returns the particle PDG code which initiates this hit
    return fPid ; 
  }
  Int_t   GetPrimary(void)     const { 
    // returns the primary particle id at the origin of this hit 
    return fPrimary ; 
  }
  TLorentzVector GetMomentum() const {
    // returns momentum of the particle which initiated this hit
    return  fMomentum;
  }
  void Print(const Option_t * = "")const;

private:

  Int_t          fPid ;       // type of the particle that initiates that hit 
  Int_t          fPrimary ;   // Primary particles at the origine of the hit
  TLorentzVector fMomentum;   // 4-momentum of the particle

  ClassDef(AliPHOSImpact,1)  // Hit impact for PHOS

} ;

//////////////////////////////////////////////////////////////////////////////

#endif // ALIPHOSIMPACT_H
Commit	Line	Data
473062df	1	#ifndef ALIPHOSIMPACT_H
	2	#define ALIPHOSIMPACT_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
702ab87e	8	/* History of cvs commits:
	9	*
	10	* $Log$
	11	*/
	12
473062df	13	//_________________________________________________________________________
	14	// Hit impact class for PHOS
	15	// A hit impact in PHOS is a set of parameters of a track which
	16	// enters the detector for the first time.
	17	// Track parameters are:
	18	// - track number
	19	// - primary particle number
	20	// - type of a particle
	21	// - impact coordinate
	22	// - impact 4-momentum
	23	//
	24	//*-- Author: Yuri Kharlov (IHEP, Protvino/SUBATECH, Nantes)
	25
	26	// --- ROOT system ---
	27	#include <TLorentzVector.h>
	28
	29	// --- AliRoot header files ---
	30	#include "AliHit.h"
	31
	32	// --- Standard library ---
	33
	34	class AliPHOSImpact : public AliHit {
	35
	36	public:
	37
	38	AliPHOSImpact() { } // default ctor
	39	AliPHOSImpact(const AliPHOSImpact & hit) ;
	40	AliPHOSImpact(Int_t shunt, Int_t primary, Int_t track, Int_t pid, TLorentzVector p, Float_t *xyz);
	41	virtual ~AliPHOSImpact(void) { } // dtor
	42
	43	Int_t GetPid(void) const {
	44	// returns the particle PDG code which initiates this hit
	45	return fPid ;
	46	}
	47	Int_t GetPrimary(void) const {
	48	// returns the primary particle id at the origin of this hit
	49	return fPrimary ;
	50	}
	51	TLorentzVector GetMomentum() const {
	52	// returns momentum of the particle which initiated this hit
	53	return fMomentum;
	54	}
702ab87e	55	void Print(const Option_t * = "")const;
473062df	56
	57	private:
	58
	59	Int_t fPid ; // type of the particle that initiates that hit
	60	Int_t fPrimary ; // Primary particles at the origine of the hit
	61	TLorentzVector fMomentum; // 4-momentum of the particle
	62
	63	ClassDef(AliPHOSImpact,1) // Hit impact for PHOS
	64
	65	} ;
	66
	67	//////////////////////////////////////////////////////////////////////////////
	68
	69	#endif // ALIPHOSIMPACT_H