G4VLowEnergyDiscretePhotonProcess Class Reference

#include <G4VLowEnergyDiscretePhotonProcess.hh>

Inheritance diagram for G4VLowEnergyDiscretePhotonProcess:

Public Member Functions
	G4VLowEnergyDiscretePhotonProcess (const G4String &processName, const G4String &aCrossSectionFileName, const G4String &aScatterFileName, G4VDataSetAlgorithm *aScatterInterpolation, G4double aLowEnergyLimit, G4double aHighEnergyLimit)
virtual	~G4VLowEnergyDiscretePhotonProcess (void)
virtual G4bool	IsApplicable (const G4ParticleDefinition &particleDefinition)
virtual void	BuildPhysicsTable (const G4ParticleDefinition &photon)
G4double	GetLowEnergyLimit (void) const
G4double	GetHighEnergyLimit (void) const
Public Member Functions inherited from G4VLowEnergyTestableDiscreteProcess
	G4VLowEnergyTestableDiscreteProcess (const G4String &name)
virtual	~G4VLowEnergyTestableDiscreteProcess ()
G4double	DumpMeanFreePath (const G4Track &aTrack, G4double previousStepSize, G4ForceCondition *condition)
Public Member Functions inherited from G4VDiscreteProcess
	G4VDiscreteProcess (const G4String &, G4ProcessType aType=fNotDefined)
	G4VDiscreteProcess (G4VDiscreteProcess &)
virtual	~G4VDiscreteProcess ()
virtual G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
virtual G4VParticleChange *	PostStepDoIt (const G4Track &, const G4Step &)
virtual G4double	AlongStepGetPhysicalInteractionLength (const G4Track &, G4double, G4double, G4double &, G4GPILSelection *)
virtual G4double	AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *)
virtual G4VParticleChange *	AtRestDoIt (const G4Track &, const G4Step &)
virtual G4VParticleChange *	AlongStepDoIt (const G4Track &, const G4Step &)
Public Member Functions inherited from G4VProcess
	G4VProcess (const G4String &aName="NoName", G4ProcessType aType=fNotDefined)
	G4VProcess (const G4VProcess &right)
virtual	~G4VProcess ()
G4int	operator== (const G4VProcess &right) const
G4int	operator!= (const G4VProcess &right) const
virtual G4VParticleChange *	PostStepDoIt (const G4Track &track, const G4Step &stepData)=0
virtual G4VParticleChange *	AlongStepDoIt (const G4Track &track, const G4Step &stepData)=0
virtual G4VParticleChange *	AtRestDoIt (const G4Track &track, const G4Step &stepData)=0
virtual G4double	AlongStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)=0
virtual G4double	AtRestGetPhysicalInteractionLength (const G4Track &track, G4ForceCondition *condition)=0
virtual G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)=0
G4double	GetCurrentInteractionLength () const
void	SetPILfactor (G4double value)
G4double	GetPILfactor () const
G4double	AlongStepGPIL (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)
G4double	AtRestGPIL (const G4Track &track, G4ForceCondition *condition)
G4double	PostStepGPIL (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
virtual G4bool	IsApplicable (const G4ParticleDefinition &)
virtual void	BuildPhysicsTable (const G4ParticleDefinition &)
virtual void	PreparePhysicsTable (const G4ParticleDefinition &)
virtual G4bool	StorePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)
virtual G4bool	RetrievePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)
const G4String &	GetPhysicsTableFileName (const G4ParticleDefinition *, const G4String &directory, const G4String &tableName, G4bool ascii=false)
const G4String &	GetProcessName () const
G4ProcessType	GetProcessType () const
void	SetProcessType (G4ProcessType)
G4int	GetProcessSubType () const
void	SetProcessSubType (G4int)
virtual void	StartTracking (G4Track *)
virtual void	EndTracking ()
virtual void	SetProcessManager (const G4ProcessManager *)
virtual const G4ProcessManager *	GetProcessManager ()
virtual void	ResetNumberOfInteractionLengthLeft ()
G4double	GetNumberOfInteractionLengthLeft () const
G4double	GetTotalNumberOfInteractionLengthTraversed () const
G4bool	isAtRestDoItIsEnabled () const
G4bool	isAlongStepDoItIsEnabled () const
G4bool	isPostStepDoItIsEnabled () const
virtual void	DumpInfo () const
void	SetVerboseLevel (G4int value)
G4int	GetVerboseLevel () const

Protected Member Functions
virtual G4double	GetMeanFreePath (const G4Track &aTrack, G4double previousStepSize, G4ForceCondition *condition)
const G4VCrossSectionHandler *	GetCrossSectionHandler (void) const
const G4VEMDataSet *	GetMeanFreePathTable (void) const
const G4VEMDataSet *	GetScatterFunctionData (void) const
G4ThreeVector	GetPhotonPolarization (const G4DynamicParticle &photon)
virtual G4double	GetMeanFreePath (const G4Track &aTrack, G4double previousStepSize, G4ForceCondition *condition)=0
Protected Member Functions inherited from G4VProcess
void	SubtractNumberOfInteractionLengthLeft (G4double previousStepSize)
void	ClearNumberOfInteractionLengthLeft ()

Additional Inherited Members
Static Public Member Functions inherited from G4VProcess
static const G4String &	GetProcessTypeName (G4ProcessType)
Protected Attributes inherited from G4VProcess
const G4ProcessManager *	aProcessManager
G4VParticleChange *	pParticleChange
G4ParticleChange	aParticleChange
G4double	theNumberOfInteractionLengthLeft
G4double	currentInteractionLength
G4double	theInitialNumberOfInteractionLength
G4String	theProcessName
G4String	thePhysicsTableFileName
G4ProcessType	theProcessType
G4int	theProcessSubType
G4double	thePILfactor
G4bool	enableAtRestDoIt
G4bool	enableAlongStepDoIt
G4bool	enablePostStepDoIt
G4int	verboseLevel

Detailed Description

Definition at line 62 of file G4VLowEnergyDiscretePhotonProcess.hh.

Constructor & Destructor Documentation

G4VLowEnergyDiscretePhotonProcess()

G4VLowEnergyDiscretePhotonProcess::G4VLowEnergyDiscretePhotonProcess	(	const G4String &	processName,
		const G4String &	aCrossSectionFileName,
		const G4String &	aScatterFileName,
		G4VDataSetAlgorithm *	aScatterInterpolation,
		G4double	aLowEnergyLimit,
		G4double	aHighEnergyLimit
	)

Definition at line 57 of file G4VLowEnergyDiscretePhotonProcess.cc.

  :
  G4VLowEnergyTestableDiscreteProcess(processName),
  lowEnergyLimit(aLowEnergyLimit),
  highEnergyLimit(aHighEnergyLimit),
  crossSectionFileName(aCrossSectionFileName),
  meanFreePathTable(0)
{
  crossSectionHandler = new G4CrossSectionHandler();
  scatterFunctionData = new G4CompositeEMDataSet(aScatterInterpolation, 1., 1.);
  scatterFunctionData->LoadData(aScatterFileName);
 
  if (verboseLevel > 0)
    {
      G4cout << GetProcessName() << " is created " << G4endl
         << "Energy range: "
         << lowEnergyLimit / keV << " keV - "
         << highEnergyLimit / GeV << " GeV"
         << G4endl;
    }
}

~G4VLowEnergyDiscretePhotonProcess()

G4VLowEnergyDiscretePhotonProcess::~G4VLowEnergyDiscretePhotonProcess ( void  )

virtual

Definition at line 86 of file G4VLowEnergyDiscretePhotonProcess.cc.

{
  if (meanFreePathTable)
    delete meanFreePathTable;
 
  delete crossSectionHandler;
  delete scatterFunctionData;
}

Member Function Documentation

BuildPhysicsTable()

void G4VLowEnergyDiscretePhotonProcess::BuildPhysicsTable ( const G4ParticleDefinition &  photon )

virtual

Reimplemented from G4VProcess.

Definition at line 106 of file G4VLowEnergyDiscretePhotonProcess.cc.

{
  crossSectionHandler->Clear();
  crossSectionHandler->LoadData(crossSectionFileName);
 
  if (meanFreePathTable)
    delete meanFreePathTable; 
  meanFreePathTable=crossSectionHandler->BuildMeanFreePathForMaterials();
}

GetCrossSectionHandler()

const G4VCrossSectionHandler * G4VLowEnergyDiscretePhotonProcess::GetCrossSectionHandler ( void  ) const

inlineprotected

Definition at line 129 of file G4VLowEnergyDiscretePhotonProcess.hh.

{return crossSectionHandler;}

GetHighEnergyLimit()

G4double G4VLowEnergyDiscretePhotonProcess::GetHighEnergyLimit ( void  ) const

inline

Definition at line 110 of file G4VLowEnergyDiscretePhotonProcess.hh.

{return highEnergyLimit;}

GetLowEnergyLimit()

G4double G4VLowEnergyDiscretePhotonProcess::GetLowEnergyLimit ( void  ) const

inline

Definition at line 106 of file G4VLowEnergyDiscretePhotonProcess.hh.

{return lowEnergyLimit;}

GetMeanFreePath()

G4double G4VLowEnergyDiscretePhotonProcess::GetMeanFreePath ( const G4Track &  aTrack, G4double  previousStepSize, G4ForceCondition *  condition  )

protectedvirtual

Implements G4VDiscreteProcess.

Definition at line 120 of file G4VLowEnergyDiscretePhotonProcess.cc.

{
  G4double photonEnergy;
  photonEnergy = aTrack.GetDynamicParticle()->GetKineticEnergy();
 
  if (photonEnergy < lowEnergyLimit)
    return DBL_MAX;
 
  if (photonEnergy > highEnergyLimit)
    photonEnergy=highEnergyLimit;
 
  size_t materialIndex;
  materialIndex = aTrack.GetMaterialCutsCouple()->GetIndex(); 
 
  return meanFreePathTable->FindValue(photonEnergy, materialIndex);
}

GetMeanFreePathTable()

const G4VEMDataSet * G4VLowEnergyDiscretePhotonProcess::GetMeanFreePathTable ( void  ) const

inlineprotected

Definition at line 133 of file G4VLowEnergyDiscretePhotonProcess.hh.

{return meanFreePathTable;}

GetPhotonPolarization()

G4ThreeVector G4VLowEnergyDiscretePhotonProcess::GetPhotonPolarization ( const G4DynamicParticle &  photon )

protected

Definition at line 141 of file G4VLowEnergyDiscretePhotonProcess.cc.

{
  G4ThreeVector photonMomentumDirection;
  G4ThreeVector photonPolarization;
 
  photonPolarization = photon.GetPolarization(); 
  photonMomentumDirection = photon.GetMomentumDirection();
 
  if ((!photonPolarization.isOrthogonal(photonMomentumDirection, 1e-6)) || photonPolarization.mag()==0.)
    {
      // if |photonPolarization|==0. or |photonPolarization * photonDirection0| > 1e-6 * |photonPolarization ^ photonDirection0|
      // then polarization is choosen randomly.
  
      G4ThreeVector e1(photonMomentumDirection.orthogonal().unit());
      G4ThreeVector e2(photonMomentumDirection.cross(e1).unit());
  
      G4double angle(G4UniformRand() * twopi);
  
      e1*=std::cos(angle);
      e2*=std::sin(angle);
  
      photonPolarization=e1+e2;
    }
  else if (photonPolarization.howOrthogonal(photonMomentumDirection) != 0.)
    {
      // if |photonPolarization * photonDirection0| != 0.
      // then polarization is made orthonormal;
  
      photonPolarization=photonPolarization.perpPart(photonMomentumDirection);
    }
 
  return photonPolarization.unit();
}

GetScatterFunctionData()

const G4VEMDataSet * G4VLowEnergyDiscretePhotonProcess::GetScatterFunctionData ( void  ) const

inlineprotected

Definition at line 137 of file G4VLowEnergyDiscretePhotonProcess.hh.

{return scatterFunctionData;}

IsApplicable()

G4bool G4VLowEnergyDiscretePhotonProcess::IsApplicable ( const G4ParticleDefinition &  particleDefinition )

virtual

Reimplemented from G4VProcess.

Definition at line 99 of file G4VLowEnergyDiscretePhotonProcess.cc.

{
  return (&particleDefinition)==G4Gamma::Gamma(); 
}

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The documentation for this class was generated from the following files:

• G4VLowEnergyDiscretePhotonProcess.hh
• G4VLowEnergyDiscretePhotonProcess.cc