AliPHOSvFast

class description - source file - inheritance tree

class AliPHOSvFast : public AliPHOS


    public:

                  AliPHOSvFast AliPHOSvFast()
                  AliPHOSvFast AliPHOSvFast(const char* name, const char* title)
                  AliPHOSvFast AliPHOSvFast(AliPHOSvFast&)
                  virtual void ~AliPHOSvFast()
                          void AddRecParticle(const AliPHOSFastRecParticle& rp)
                  virtual void BuildGeometry()
                       TClass* Class()
                  virtual void CreateGeometry()
         FastRecParticlesList* FastRecParticles()
                       Float_t GetBigBox(Int_t index)
      virtual AliPHOSGeometry* GetGeometry()
                  virtual void Init()
               virtual TClass* IsA() const
                 virtual Int_t IsVersion() const
                  virtual void MakeBranch(Option_t* opt)
                      Double_t MakeEnergy(const Double_t energy)
                      TVector3 MakePosition(const Double_t energy, const TVector3 pos, const Double_t th, const Double_t ph)
                          void MakeRecParticle(const Int_t modid, const TVector3 pos, AliPHOSFastRecParticle& rp)
                         Int_t MakeType(AliPHOSFastRecParticle& rp)
                          void ResetFastRecParticles()
                  virtual void ResetPoints()
                          void SetBigBox(Int_t index, Float_t value)
                  virtual void ShowMembers(TMemberInspector& insp, char* parent)
                      Double_t SigmaE(Double_t energy)
                      Double_t SigmaP(Double_t energy, Int_t inc)
                  virtual void StepManager()
                  virtual void Streamer(TBuffer& b)

  Data Members
    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
                      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

Class Description

 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)

AliPHOSvFast()

 ctor

AliPHOSvFast(const char *name, const char *title): AliPHOS(name,title)

 ctor

~AliPHOSvFast()

 dtor

void AddRecParticle(const AliPHOSFastRecParticle & rp)

 Add a virtually reconstructed particle to the list

void BuildGeometry()

Build the PHOS geometry for the ROOT display /*

PHOS FAST in ALICE displayed by root

All Views

Front View

void CreateGeometry()

 Create the geometry for GEANT

void Init(void)

 Prints out an information message

Float_t GetBigBox(Int_t index)

 Get the X, Y or Z dimension of the box describing a PHOS module

void MakeBranch(Option_t* opt)

 Create new branch in the current reconstructed Root Tree

Double_t MakeEnergy(const Double_t energy)

 Smears the energy according to the energy dependent energy resolution.
 A gaussian distribution is assumed

TVector3 MakePosition(const Double_t energy, const TVector3 pos, const Double_t theta, const Double_t phi)

 Smears the impact position according to the energy dependent position resolution
 A gaussian position distribution is assumed

void MakeRecParticle(const Int_t modid, const TVector3 pos, AliPHOSFastRecParticle & rp)

 Modify the primary particle properties according
  1. the response function of PHOS
  2. the performance of the EMC+PPSD setup

Int_t MakeType(AliPHOSFastRecParticle & rp )

 Generate a particle type using the performance of the EMC+PPSD setup

void ResetPoints()

 This overloads the method in AliDetector

void ResetFastRecParticles()

 Resets the list of virtual reconstructed particles

void SetBigBox(Int_t index, Float_t value)

 Set the size of the Box describing a PHOS module

Double_t SigmaE(Double_t energy)

 Calculates the energy dependent energy resolution

Double_t SigmaP(Double_t energy, Int_t incidence)

 Calculates the energy dependent position resolution

void StepManager(void)

 Only verifies if the particle reaches PHOS and stops the tracking

Inline Functions

             AliPHOSGeometry* GetGeometry()
                        Int_t IsVersion() const
        FastRecParticlesList* FastRecParticles()
                      TClass* Class()
                      TClass* IsA() const
                         void ShowMembers(TMemberInspector& insp, char* parent)
                         void Streamer(TBuffer& b)
                 AliPHOSvFast AliPHOSvFast(AliPHOSvFast&)

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