[u/mrichter/AliRoot.git] / PHOS / AliPHOSPIDv0.h

#ifndef ALIPHOSPIDV0_H
#define ALIPHOSPIDV0_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

/* History of cvs commits:
 *
 * $Log$
 * Revision 1.12  2007/03/06 06:57:05  kharlov
 * DP:calculation of distance to CPV done in TSM
 *
 * Revision 1.11  2006/09/07 18:31:08  kharlov
 * Effective c++ corrections (T.Pocheptsov)
 *
 * Revision 1.10  2005/05/28 14:19:04  schutz
 * Compilation warnings fixed by T.P.
 *
 */

//_________________________________________________________________________
// Implementation version v0 of the PHOS particle identifier 
// Identification is based on information from PPSD and EMC
// Oh yeah                 
//*-- Author: Yves Schutz (SUBATECH)

// --- ROOT system ---
class TFormula ;
class TVector3 ;

// --- Standard library ---

// --- AliRoot header files ---
class AliPHOSEmcRecPoint ;
class AliPHOSRecPoint ;

#include "AliPHOSPID.h"

class  AliPHOSPIDv0 : public AliPHOSPID {

public:

  AliPHOSPIDv0() ;          // ctor            
  AliPHOSPIDv0(AliPHOSGeometry *geom);
  virtual ~AliPHOSPIDv0() ; // dtor, empty, memory leak in fFormula member

  //Compiler generated should be ok, because destructor is empty.
  AliPHOSPIDv0(const AliPHOSPIDv0 & rhs);
  AliPHOSPIDv0 & operator = (const AliPHOSPIDv0 & rhs);

  virtual void TrackSegments2RecParticles(Option_t * option);

  virtual void PlotDispersionCuts()const ;
  virtual void Print(const Option_t * = "")const ; 
  virtual void SetIdentificationMethod(const char * option = "CPV DISP" ){fIDOptions = option ;} 
  virtual void SetShowerProfileCut(const char * formula = "0.35*0.35 - (x-1.386)*(x-1.386) - 1.707*1.707*(y-1.008)*(y-1.008)") ;
  virtual void SetDispersionCut(Float_t cut){fDispersion = cut ; } 
  virtual void SetCpvtoEmcDistanceCut(Float_t cut )      {fCpvEmcDistance = cut ;}
  virtual void SetTimeGate(Float_t gate)                 {fTimeGate = gate ;}

  virtual const char * Version() const { return "pid-v0" ; }  
                     
 private:
  
  void     MakeRecParticles(void ) ;
//  Float_t  GetDistance(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv, Option_t * Axis)const ; // Relative Distance CPV-EMC
  TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv)const ;
  void     PrintRecParticles(Option_t * option) ;

 private:

  TString                fIDOptions ;         // PID option

  AliPHOSClusterizer   * fClusterizer ;       // !
  AliPHOSTrackSegmentMaker * fTSMaker ;       // !

  TFormula             * fFormula ;           // formula to define cut on the shower elips axis
  Float_t                fDispersion ;        // dispersion cut
  Float_t                fCpvEmcDistance ;    // Max EMC-CPV distance
  Float_t                fTimeGate ;          // Time of the latest EmcRecPoint accepted as EM

  ClassDef( AliPHOSPIDv0,2)  // Particle identifier implementation version 1

};

#endif // AliPHOSPIDV0_H
Commit	Line	Data
	1	#ifndef ALIPHOSPIDV0_H
	2	#define ALIPHOSPIDV0_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	/* History of cvs commits:
	9	*
	10	* $Log$
	11	* Revision 1.12 2007/03/06 06:57:05 kharlov
	12	* DP:calculation of distance to CPV done in TSM
	13	*
	14	* Revision 1.11 2006/09/07 18:31:08 kharlov
	15	* Effective c++ corrections (T.Pocheptsov)
	16	*
	17	* Revision 1.10 2005/05/28 14:19:04 schutz
	18	* Compilation warnings fixed by T.P.
	19	*
	20	*/
	21
	22	//_________________________________________________________________________
	23	// Implementation version v0 of the PHOS particle identifier
	24	// Identification is based on information from PPSD and EMC
	25	// Oh yeah
	26	//*-- Author: Yves Schutz (SUBATECH)
	27
	28	// --- ROOT system ---
	29	class TFormula ;
	30	class TVector3 ;
	31
	32	// --- Standard library ---
	33
	34	// --- AliRoot header files ---
	35	class AliPHOSEmcRecPoint ;
	36	class AliPHOSRecPoint ;
	37
	38	#include "AliPHOSPID.h"
	39
	40	class AliPHOSPIDv0 : public AliPHOSPID {
	41
	42	public:
	43
	44	AliPHOSPIDv0() ; // ctor
	45	AliPHOSPIDv0(AliPHOSGeometry *geom);
	46	virtual ~AliPHOSPIDv0() ; // dtor, empty, memory leak in fFormula member
	47
	48	//Compiler generated should be ok, because destructor is empty.
	49	AliPHOSPIDv0(const AliPHOSPIDv0 & rhs);
	50	AliPHOSPIDv0 & operator = (const AliPHOSPIDv0 & rhs);
	51
	52	virtual void TrackSegments2RecParticles(Option_t * option);
	53
	54	virtual void PlotDispersionCuts()const ;
	55	virtual void Print(const Option_t * = "")const ;
	56	virtual void SetIdentificationMethod(const char * option = "CPV DISP" ){fIDOptions = option ;}
	57	virtual void SetShowerProfileCut(const char * formula = "0.350.35 - (x-1.386)(x-1.386) - 1.7071.707(y-1.008)*(y-1.008)") ;
	58	virtual void SetDispersionCut(Float_t cut){fDispersion = cut ; }
	59	virtual void SetCpvtoEmcDistanceCut(Float_t cut ) {fCpvEmcDistance = cut ;}
	60	virtual void SetTimeGate(Float_t gate) {fTimeGate = gate ;}
	61
	62	virtual const char * Version() const { return "pid-v0" ; }
	63
	64	private:
	65
	66	void MakeRecParticles(void ) ;
	67	// Float_t GetDistance(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv, Option_t * Axis)const ; // Relative Distance CPV-EMC
	68	TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv)const ;
	69	void PrintRecParticles(Option_t * option) ;
	70
	71	private:
	72
	73	TString fIDOptions ; // PID option
	74
	75	AliPHOSClusterizer * fClusterizer ; // !
	76	AliPHOSTrackSegmentMaker * fTSMaker ; // !
	77
	78	TFormula * fFormula ; // formula to define cut on the shower elips axis
	79	Float_t fDispersion ; // dispersion cut
	80	Float_t fCpvEmcDistance ; // Max EMC-CPV distance
	81	Float_t fTimeGate ; // Time of the latest EmcRecPoint accepted as EM
	82
	83	ClassDef( AliPHOSPIDv0,2) // Particle identifier implementation version 1
	84
	85	};
	86
	87	#endif // AliPHOSPIDV0_H