/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
-////////////////////////////////////////////////
-// Manager class for PHOS //
-// Version SUBATECH //
-// Author Y. Schutz SUBATECH //
-// This is the class to be used for //
-// fast simulations //
-////////////////////////////////////////////////
-
/* $Id$ */
+//_________________________________________________________________________
+// 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"
+class TVector3 ;
+class TFile;
+
// --- AliRoot header files ---
#include "AliPHOS.h"
-#include "AliPHOSGeometry.h"
-#include "AliPHOSPID.h"
-#include "AliPHOSFastRecParticle.h"
+class AliPHOSGeometry ;
+class AliPHOSFastRecParticle ;
class AliPHOSvFast : public AliPHOS {
public:
- AliPHOSvFast(void) ;
+ AliPHOSvFast() ;
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) ;
+ virtual void AddHit( Int_t shunt, Int_t primary, Int_t track, Int_t id, Float_t *hits ) {
+ // useless since there are no hits
+ assert(0==1) ;
+ }
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 AliPHOSGeometry * GetGeometry() { return fGeom ; }
+ Float_t GetBigBox(Int_t index) const;
virtual void Init(void) ; // does nothing
- Int_t IsVersion(void) const { return -1 ; }
- void MakeBranch(Option_t* opt) ;
+ virtual Int_t IsVersion(void) const {
+ // Gives the version number
+ return 99 ;
+ }
+
+ void MakeBranch(Option_t* opt, const char *file=0) ;
Double_t MakeEnergy(const Double_t energy) ; // makes the detected energy
- void MakeRecParticle(AliPHOSFastRecParticle & rp) ; // makes a reconstructes particle from primary
- Int_t MakeType(const Text_t * name) ; // gets the detected type of particle
- FastRecParticlesList * FastRecParticles() { return fFastRecParticles ; } // gets TClonesArray of reconstructed particles
- void SetBigBox(Int_t index, Float_t value) ;
- Double_t SigmaE(Double_t energy) ; // calulates the energy resolution at a given Energy
- virtual void StepManager(void) ; // does the tracking through PHOS and a preliminary digitalization
+ 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() const { 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, Double_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
+ virtual const TString Version(void)const {
+ // As IsVersion
+ return TString("vFast") ;
+ }
+
+ AliPHOSvFast & operator = (const AliPHOSvFast & ) {
+ // 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)
- FastRecParticlesList * fFastRecParticles ; // list of particles modified by the response function
- AliPHOSGeometry * fGeom ; // geometry definition
+ 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 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) // PHOS main class , version for fast simulation
+ ClassDef(AliPHOSvFast,1) // Implementation of the PHOS manager class for fast simulations
};