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

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

/* $Id$ */

//_________________________________________________________________________
// Implementation of the PHOS manager class for fast simulations     
// Tracks particles until the reach a grossly designed PHOS module
// Modify the particles property (momentum, energy, type) according to
//  the PHOS response function. The result is called a virtual reconstructed
//  particle.                                
//                  
//*-- Author: Yves Schutz (SUBATECH)

// --- ROOT system ---
#include "TClonesArray.h"
#include "TRandom.h"

// --- AliRoot header files ---
#include "AliPHOS.h"
#include "AliPHOSGeometry.h"
#include "AliPHOSPID.h"
class AliPHOSFastRecParticle ;

class AliPHOSvFast : public AliPHOS {

public:

  AliPHOSvFast(void) ;
  AliPHOSvFast(const char *name, const char *title="") ;
  AliPHOSvFast(const AliPHOSvFast & fast) {
    // cpy ctor: no implementation yet
    // requested by the Coding Convention
    assert(0==1) ; 
  }
  virtual ~AliPHOSvFast(void) ;

  void           AddRecParticle(const AliPHOSFastRecParticle & rp) ; // adds primary particle to the RecParticles list
  virtual void   BuildGeometry(void) ;                               // creates the geometry for the ROOT display
  virtual void   CreateGeometry(void) ;                              // creates the geometry for GEANT
  Float_t        GetBigBox(Int_t index) ;                             
  virtual void   Init(void) ;                                        // does nothing
  Int_t   IsVersion(void) const { return -1 ; }
  void    MakeBranch(Option_t* opt, const char *file=0) ;
  Double_t MakeEnergy(const Double_t energy) ;                       // makes the detected energy    
  TVector3 MakePosition(const Double_t energy, const TVector3 pos, const Double_t th, const Double_t ph) ; 
                                                                     // makes the detected position
  void MakeRecParticle(const Int_t modid, const TVector3 pos, AliPHOSFastRecParticle & rp) ;  // makes a reconstructes particle from primary
  Int_t   MakeType(AliPHOSFastRecParticle & rp) ;                    // gets the detected type of particle
  // gets TClonesArray of reconstructed particles
  TClonesArray * FastRecParticles() { return fFastRecParticles ; } 
  virtual void ResetPoints() ; 
  void         ResetFastRecParticles() ; 
  void         SetBigBox(Int_t index, Float_t value) ;                             
  Double_t     SigmaE(Double_t energy) ;    // calulates the energy resolution at a given Energy                           
  Double_t     SigmaP(Double_t energy, Int_t inc) ; // calulates the position resolution at a given Energy at a given incidence                           
  virtual void StepManager(void) ;          // does the tracking through PHOS and a preliminary digitalization

  AliPHOSvFast & operator = (const AliPHOSvFast & rvalue)  {
    // assignement operator requested by coding convention
    // but not needed
    assert(0==1) ;
    return *this ; 
  }
  
private:
  
  Float_t fBigBoxX ;                         // main box containing all PHOS (EMC+PPSD)
  Float_t fBigBoxY ;                         // main box containing all PHOS (EMC+PPSD)
  Float_t fBigBoxZ ;                         // main box containing all PHOS (EMC+PPSD)
  TClonesArray * fFastRecParticles ;         // list of particles modified by the response function 
  Int_t fNRecParticles ;                     // number of detected particles
  TRandom fRan ;                             // random number generator
  Double_t fResPara1 ;                       // parameter for the energy resolution dependence  
  Double_t fResPara2 ;                       // parameter for the energy resolution dependence  
  Double_t fResPara3 ;                       // parameter for the energy resolution dependence 
  Double_t fPosParaA0 ;                      // parameter for the position resolution
  Double_t fPosParaA1 ;                      // parameter for the position resolution 
  Double_t fPosParaB0 ;                      // parameter for the position resolution 
  Double_t fPosParaB1 ;                      // parameter for the position resolution 
  Double_t fPosParaB2 ;                      // parameter for the position resolution

  ClassDef(AliPHOSvFast,1)  //  Implementation of the PHOS manager class for fast simulations  

};

#endif // AliPHOSVFAST_H
Commit	Line	Data
	1	#ifndef ALIPHOSVFAST_H
	2	#define ALIPHOSVFAST_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	// Implementation of the PHOS manager class for fast simulations
	10	// Tracks particles until the reach a grossly designed PHOS module
	11	// Modify the particles property (momentum, energy, type) according to
	12	// the PHOS response function. The result is called a virtual reconstructed
	13	// particle.
	14	//
	15	//*-- Author: Yves Schutz (SUBATECH)
	16
	17	// --- ROOT system ---
	18	#include "TClonesArray.h"
	19	#include "TRandom.h"
	20
	21	// --- AliRoot header files ---
	22	#include "AliPHOS.h"
	23	#include "AliPHOSGeometry.h"
	24	#include "AliPHOSPID.h"
	25	class AliPHOSFastRecParticle ;
	26
	27	class AliPHOSvFast : public AliPHOS {
	28
	29	public:
	30
	31	AliPHOSvFast(void) ;
	32	AliPHOSvFast(const char name, const char title="") ;
	33	AliPHOSvFast(const AliPHOSvFast & fast) {
	34	// cpy ctor: no implementation yet
	35	// requested by the Coding Convention
	36	assert(0==1) ;
	37	}
	38	virtual ~AliPHOSvFast(void) ;
	39
	40	void AddRecParticle(const AliPHOSFastRecParticle & rp) ; // adds primary particle to the RecParticles list
	41	virtual void BuildGeometry(void) ; // creates the geometry for the ROOT display
	42	virtual void CreateGeometry(void) ; // creates the geometry for GEANT
	43	Float_t GetBigBox(Int_t index) ;
	44	virtual void Init(void) ; // does nothing
	45	Int_t IsVersion(void) const { return -1 ; }
	46	void MakeBranch(Option_t* opt, const char *file=0) ;
	47	Double_t MakeEnergy(const Double_t energy) ; // makes the detected energy
	48	TVector3 MakePosition(const Double_t energy, const TVector3 pos, const Double_t th, const Double_t ph) ;
	49	// makes the detected position
	50	void MakeRecParticle(const Int_t modid, const TVector3 pos, AliPHOSFastRecParticle & rp) ; // makes a reconstructes particle from primary
	51	Int_t MakeType(AliPHOSFastRecParticle & rp) ; // gets the detected type of particle
	52	// gets TClonesArray of reconstructed particles
	53	TClonesArray * FastRecParticles() { return fFastRecParticles ; }
	54	virtual void ResetPoints() ;
	55	void ResetFastRecParticles() ;
	56	void SetBigBox(Int_t index, Float_t value) ;
	57	Double_t SigmaE(Double_t energy) ; // calulates the energy resolution at a given Energy
	58	Double_t SigmaP(Double_t energy, Int_t inc) ; // calulates the position resolution at a given Energy at a given incidence
	59	virtual void StepManager(void) ; // does the tracking through PHOS and a preliminary digitalization
	60
	61	AliPHOSvFast & operator = (const AliPHOSvFast & rvalue) {
	62	// assignement operator requested by coding convention
	63	// but not needed
	64	assert(0==1) ;
	65	return *this ;
	66	}
	67
	68	private:
	69
	70	Float_t fBigBoxX ; // main box containing all PHOS (EMC+PPSD)
	71	Float_t fBigBoxY ; // main box containing all PHOS (EMC+PPSD)
	72	Float_t fBigBoxZ ; // main box containing all PHOS (EMC+PPSD)
	73	TClonesArray * fFastRecParticles ; // list of particles modified by the response function
	74	Int_t fNRecParticles ; // number of detected particles
	75	TRandom fRan ; // random number generator
	76	Double_t fResPara1 ; // parameter for the energy resolution dependence
	77	Double_t fResPara2 ; // parameter for the energy resolution dependence
	78	Double_t fResPara3 ; // parameter for the energy resolution dependence
	79	Double_t fPosParaA0 ; // parameter for the position resolution
	80	Double_t fPosParaA1 ; // parameter for the position resolution
	81	Double_t fPosParaB0 ; // parameter for the position resolution
	82	Double_t fPosParaB1 ; // parameter for the position resolution
	83	Double_t fPosParaB2 ; // parameter for the position resolution
	84
	85	ClassDef(AliPHOSvFast,1) // Implementation of the PHOS manager class for fast simulations
	86
	87	};
	88
	89	#endif // AliPHOSVFAST_H