#include <G4VEmProcess.hh>

Inheritance diagram for G4VEmProcess:

Collaboration diagram for G4VEmProcess:

Public Member Functions
	G4VEmProcess (const G4String &name, G4ProcessType type=fElectromagnetic)

virtual	~G4VEmProcess ()

virtual G4bool	IsApplicable (const G4ParticleDefinition &p) override=0

virtual void	PrintInfo ()=0

virtual void	ProcessDescription (std::ostream &outFile) const

virtual void	PreparePhysicsTable (const G4ParticleDefinition &) override

virtual void	BuildPhysicsTable (const G4ParticleDefinition &) override

virtual void	StartTracking (G4Track *) override

virtual G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition) override

virtual G4VParticleChange *	PostStepDoIt (const G4Track &, const G4Step &) override

virtual G4bool	StorePhysicsTable (const G4ParticleDefinition *, const G4String &directory, G4bool ascii=false) override

virtual G4bool	RetrievePhysicsTable (const G4ParticleDefinition *, const G4String &directory, G4bool ascii) override

G4double	CrossSectionPerVolume (G4double kineticEnergy, const G4MaterialCutsCouple *couple)

G4double	ComputeCrossSectionPerAtom (G4double kineticEnergy, G4double Z, G4double A=0., G4double cut=0.0)

G4double	MeanFreePath (const G4Track &track)

G4double	GetLambda (G4double &kinEnergy, const G4MaterialCutsCouple *couple)

void	SetLambdaBinning (G4int nbins)

void	SetMinKinEnergy (G4double e)

void	SetMinKinEnergyPrim (G4double e)

void	SetMaxKinEnergy (G4double e)

G4PhysicsTable *	LambdaTable () const

G4PhysicsTable *	LambdaTablePrim () const

const G4ParticleDefinition *	Particle () const

const G4ParticleDefinition *	SecondaryParticle () const

G4VEmModel *	SelectModelForMaterial (G4double kinEnergy, size_t &idxRegion) const

void	AddEmModel (G4int, G4VEmModel , const G4Region region=nullptr)

G4VEmModel *	EmModel (G4int index=1) const

void	SetEmModel (G4VEmModel *, G4int index=1)

void	UpdateEmModel (const G4String &, G4double, G4double)

G4int	GetNumberOfModels () const

G4int	GetNumberOfRegionModels (size_t couple_index) const

G4VEmModel *	GetRegionModel (G4int idx, size_t couple_index) const

G4VEmModel *	GetModelByIndex (G4int idx=0, G4bool ver=false) const

const G4VEmModel *	GetCurrentModel () const

const G4Element *	GetCurrentElement () const

void	SetCrossSectionBiasingFactor (G4double f, G4bool flag=true)

G4double	CrossSectionBiasingFactor () const

void	ActivateForcedInteraction (G4double length=0.0, const G4String &r="", G4bool flag=true)

void	ActivateSecondaryBiasing (const G4String &region, G4double factor, G4double energyLimit)

void	SetIntegral (G4bool val)

void	SetBuildTableFlag (G4bool val)

Public Member Functions inherited from G4VDiscreteProcess
	G4VDiscreteProcess (const G4String &, G4ProcessType aType=fNotDefined)

	G4VDiscreteProcess (G4VDiscreteProcess &)

virtual	~G4VDiscreteProcess ()

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

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)

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	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

virtual void	SetMasterProcess (G4VProcess *masterP)

const G4VProcess *	GetMasterProcess () const

virtual void	BuildWorkerPhysicsTable (const G4ParticleDefinition &part)

virtual void	PrepareWorkerPhysicsTable (const G4ParticleDefinition &)

Protected Member Functions
virtual void	InitialiseProcess (const G4ParticleDefinition *)=0

virtual G4double	MinPrimaryEnergy (const G4ParticleDefinition , const G4Material )

G4VEmModel *	SelectModel (G4double &kinEnergy, size_t index)

virtual G4double	GetMeanFreePath (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition) override

G4PhysicsVector *	LambdaPhysicsVector (const G4MaterialCutsCouple *)

G4int	LambdaBinning () const

G4double	MinKinEnergy () const

G4double	MaxKinEnergy () const

G4double	PolarAngleLimit () const

G4bool	IsIntegral () const

G4double	RecalculateLambda (G4double kinEnergy, const G4MaterialCutsCouple *couple)

G4ParticleChangeForGamma *	GetParticleChange ()

void	SetParticle (const G4ParticleDefinition *p)

void	SetSecondaryParticle (const G4ParticleDefinition *p)

size_t	CurrentMaterialCutsCoupleIndex () const

G4double	GetGammaEnergyCut ()

G4double	GetElectronEnergyCut ()

void	SetStartFromNullFlag (G4bool val)

void	SetSplineFlag (G4bool val)

const G4Element *	GetTargetElement () const

const G4Isotope *	GetTargetIsotope () const

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)

Detailed Description

Definition at line 93 of file G4VEmProcess.hh.

Constructor & Destructor Documentation

G4VEmProcess::G4VEmProcess	(	const G4String &	name,
		G4ProcessType	type = `fElectromagnetic`
	)

Definition at line 91 of file G4VEmProcess.cc.

                                                                   :
   G4VDiscreteProcess(name, type),
   secondaryParticle(nullptr),
   buildLambdaTable(true),
   numberOfModels(0),
   theLambdaTable(nullptr),
   theLambdaTablePrim(nullptr),
   theDensityFactor(nullptr),
   theDensityIdx(nullptr),
   integral(false),
   applyCuts(false),
   startFromNull(false),
   splineFlag(true),
   currentModel(nullptr),
   particle(nullptr),
   currentParticle(nullptr),
   currentCouple(nullptr)
 {
   theParameters = G4EmParameters::Instance();
   SetVerboseLevel(1);
 
   // Size of tables assuming spline
   minKinEnergy = 0.1*keV;
   maxKinEnergy = 100.0*TeV;
   nLambdaBins  = 77;
   minKinEnergyPrim = DBL_MAX;
   actBinning = actSpline = actMinKinEnergy = actMaxKinEnergy = false;
 
   // default lambda factor
   lambdaFactor  = 0.8;
 
   // default limit on polar angle
   biasFactor = fFactor = 1.0;
 
   // particle types
   theGamma     = G4Gamma::Gamma();
   theElectron  = G4Electron::Electron();
   thePositron  = G4Positron::Positron();
 
   theCuts = theCutsGamma = theCutsElectron = theCutsPositron = nullptr;
 
   pParticleChange = &fParticleChange;
   fParticleChange.SetSecondaryWeightByProcess(true);
   secParticles.reserve(5);
 
   baseMaterial = currentMaterial = nullptr;
 
   preStepLambda = preStepKinEnergy = 0.0;
   mfpKinEnergy  = DBL_MAX;
 
   idxLambda = idxLambdaPrim = currentCoupleIndex 
     = basedCoupleIndex = 0;
 
   modelManager = new G4EmModelManager();
   biasManager  = nullptr;
   biasFlag     = false; 
   weightFlag   = false;
   lManager = G4LossTableManager::Instance();
   lManager->Register(this);
   secID = fluoID = augerID = biasID = -1;
   mainSecondaries = 100;
   if("phot" == GetProcessName() || "compt" == GetProcessName()) { 
     mainSecondaries = 1; 
   }
 }

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G4VEmProcess::~G4VEmProcess ( )

virtual

Definition at line 159 of file G4VEmProcess.cc.

 {
   /*
   if(1 < verboseLevel) {
     G4cout << "G4VEmProcess destruct " << GetProcessName() 
            << "  " << this << "  " <<  theLambdaTable <<G4endl;
   }
   */
   if(lManager->IsMaster()) {
     if(theLambdaTable) {
       theLambdaTable->clearAndDestroy();
       delete theLambdaTable;
     }
     if(theLambdaTablePrim) {
       theLambdaTablePrim->clearAndDestroy();
       delete theLambdaTablePrim;
     }
   }
   delete modelManager;
   delete biasManager;
   lManager->DeRegister(this);
   //G4cout << "G4VEmProcess removed " << G4endl; 
 }

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Member Function Documentation

void G4VEmProcess::ActivateForcedInteraction	(	G4double	length = `0.0`,
		const G4String &	r = `""`,
		G4bool	flag = `true`
	)

Definition at line 1149 of file G4VEmProcess.cc.

 {
   if(!biasManager) { biasManager = new G4EmBiasingManager(); }
   if(1 < verboseLevel) {
     G4cout << "### ActivateForcedInteraction: for " 
            << particle->GetParticleName() 
            << " and process " << GetProcessName()
            << " length(mm)= " << length/mm
            << " in G4Region <" << r 
            << "> weightFlag= " << flag 
            << G4endl; 
   }
   weightFlag = flag;
   biasManager->ActivateForcedInteraction(length, r);
 }

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void G4VEmProcess::ActivateSecondaryBiasing	(	const G4String &	region,
		G4double	factor,
		G4double	energyLimit
	)

Definition at line 1169 of file G4VEmProcess.cc.

 {
   if (0.0 <= factor) {
 
     // Range cut can be applied only for e-
     if(0.0 == factor && secondaryParticle != G4Electron::Electron())
       { return; }
 
     if(!biasManager) { biasManager = new G4EmBiasingManager(); }
     biasManager->ActivateSecondaryBiasing(region, factor, energyLimit);
     if(1 < verboseLevel) {
       G4cout << "### ActivateSecondaryBiasing: for "
        << " process " << GetProcessName()
        << " factor= " << factor
        << " in G4Region <" << region
        << "> energyLimit(MeV)= " << energyLimit/MeV
        << G4endl;
     }
   }
 }

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void G4VEmProcess::AddEmModel	(	G4int	order,
		G4VEmModel *	p,
		const G4Region *	region = `nullptr`
	)

Definition at line 203 of file G4VEmProcess.cc.

 {
   G4VEmFluctuationModel* fm = nullptr;
   modelManager->AddEmModel(order, p, fm, region);
   if(p) { p->SetParticleChange(pParticleChange); }
 }

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void G4VEmProcess::BuildPhysicsTable ( const G4ParticleDefinition & part )

overridevirtual

Reimplemented from G4VProcess.

Reimplemented in G4PolarizedCompton, and G4eplusPolarizedAnnihilation.

Definition at line 375 of file G4VEmProcess.cc.

 {
   G4bool isMaster = true;
   const G4VEmProcess* masterProc = 
     static_cast<const G4VEmProcess*>(GetMasterProcess());
   if(masterProc && masterProc != this) { isMaster = false; }
 
   G4String num = part.GetParticleName();
   if(1 < verboseLevel) {
     G4cout << "### G4VEmProcess::BuildPhysicsTable() for "
            << GetProcessName()
            << " and particle " << num
            << " buildLambdaTable= " << buildLambdaTable
            << " isMaster= " << isMaster 
            << G4endl;
   }
 
   if(particle == &part) { 
 
     G4LossTableBuilder* bld = lManager->GetTableBuilder();
 
     // worker initialisation
     if(!isMaster) {
       theLambdaTable = masterProc->LambdaTable();
       theLambdaTablePrim = masterProc->LambdaTablePrim();
 
       if(theLambdaTable) {
         bld->InitialiseBaseMaterials(theLambdaTable);
       } else if(theLambdaTablePrim) {
         bld->InitialiseBaseMaterials(theLambdaTablePrim);
       }
       theDensityFactor = bld->GetDensityFactors();
       theDensityIdx = bld->GetCoupleIndexes();
       if(theLambdaTable) { FindLambdaMax(); }
 
       // local initialisation of models
       G4bool printing = true;
       numberOfModels = modelManager->NumberOfModels();
       for(G4int i=0; i<numberOfModels; ++i) {
         G4VEmModel* mod = GetModelByIndex(i, printing);
         G4VEmModel* mod0= masterProc->GetModelByIndex(i, printing);
         mod->InitialiseLocal(particle, mod0);
       }
     // master thread
     } else {
       theDensityFactor = bld->GetDensityFactors();
       theDensityIdx = bld->GetCoupleIndexes();
       if(buildLambdaTable || minKinEnergyPrim < maxKinEnergy) {
         BuildLambdaTable();
       }
     }
   }
 
   // explicitly defined printout by particle name
   if(1 < verboseLevel || 
      (0 < verboseLevel && (num == "gamma" || num == "e-" || 
                            num == "e+"    || num == "mu+" || 
                            num == "mu-"   || num == "proton"|| 
                            num == "pi+"   || num == "pi-" || 
                            num == "kaon+" || num == "kaon-" || 
                            num == "alpha" || num == "anti_proton" || 
                            num == "GenericIon")))
     { 
       PrintInfoProcess(part); 
     }
 
   if(1 < verboseLevel) {
     G4cout << "### G4VEmProcess::BuildPhysicsTable() done for "
            << GetProcessName()
            << " and particle " << num
            << G4endl;
   }
 }

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G4double G4VEmProcess::ComputeCrossSectionPerAtom	(	G4double	kineticEnergy,
		G4double	Z,
		G4double	A = `0.`,
		G4double	cut = `0.0`
	)

Definition at line 1045 of file G4VEmProcess.cc.

 {
   SelectModel(kineticEnergy, currentCoupleIndex);
   G4double x = 0.0;
   if(currentModel) {
     x = currentModel->ComputeCrossSectionPerAtom(currentParticle,kineticEnergy,
                                                  Z,A,cut);
   }
   return x;
 }

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G4double G4VEmProcess::CrossSectionBiasingFactor ( ) const

inline

Definition at line 592 of file G4VEmProcess.hh.

 {
   return biasFactor;
 }

G4double G4VEmProcess::CrossSectionPerVolume	(	G4double	kineticEnergy,
		const G4MaterialCutsCouple *	couple
	)

Definition at line 1002 of file G4VEmProcess.cc.

 {
   // Cross section per atom is calculated
   DefineMaterial(couple);
   G4double cross = 0.0;
   if(buildLambdaTable && theLambdaTable) {
     cross = GetCurrentLambda(kineticEnergy);
   } else {
     SelectModel(kineticEnergy, currentCoupleIndex);
     cross = fFactor*currentModel->CrossSectionPerVolume(currentMaterial,
                                                         currentParticle,
                                                         kineticEnergy);
   }
 
   if(cross < 0.0) { cross = 0.0; }
   return cross;
 }

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size_t G4VEmProcess::CurrentMaterialCutsCoupleIndex ( ) const

inlineprotected

Definition at line 426 of file G4VEmProcess.hh.

 {
   return currentCoupleIndex;
 }

G4VEmModel * G4VEmProcess::EmModel ( G4int index = 1 ) const

Definition at line 224 of file G4VEmProcess.cc.

 {
   G4VEmModel* p = nullptr;
   if(index >= 0 && index <  G4int(emModels.size())) { p = emModels[index]; }
   return p;
 }

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const G4Element * G4VEmProcess::GetCurrentElement ( ) const

Definition at line 1122 of file G4VEmProcess.cc.

 {
   const G4Element* elm = nullptr;
   if(currentModel) {elm = currentModel->GetCurrentElement(); }
   return elm;
 }

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const G4VEmModel * G4VEmProcess::GetCurrentModel ( ) const

inline

Definition at line 699 of file G4VEmProcess.hh.

 {
   return currentModel;
 }

G4double G4VEmProcess::GetElectronEnergyCut ( )

inlineprotected

Definition at line 440 of file G4VEmProcess.hh.

 {
   return (*theCutsElectron)[currentCoupleIndex];
 }

G4double G4VEmProcess::GetGammaEnergyCut ( )

inlineprotected

Definition at line 433 of file G4VEmProcess.hh.

 {
   return (*theCutsGamma)[currentCoupleIndex];
 }

G4double G4VEmProcess::GetLambda	(	G4double &	kinEnergy,
		const G4MaterialCutsCouple *	couple
	)

inline

Definition at line 519 of file G4VEmProcess.hh.

 {
   DefineMaterial(couple);
   SelectModel(kinEnergy, currentCoupleIndex);
   return GetCurrentLambda(kinEnergy);
 }

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G4double G4VEmProcess::GetMeanFreePath	(	const G4Track &	track,
		G4double	previousStepSize,
		G4ForceCondition *	condition
	)

overrideprotectedvirtual

Implements G4VDiscreteProcess.

Reimplemented in G4PolarizedCompton, and G4eplusPolarizedAnnihilation.

Definition at line 1023 of file G4VEmProcess.cc.

 {
   *condition = NotForced;
   return G4VEmProcess::MeanFreePath(track);
 }

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G4VEmModel * G4VEmProcess::GetModelByIndex	(	G4int	idx = `0`,
		G4bool	ver = `false`
	)		const

Definition at line 262 of file G4VEmProcess.cc.

 {
   return modelManager->GetModel(idx, ver);
 }

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G4int G4VEmProcess::GetNumberOfModels ( ) const

Definition at line 241 of file G4VEmProcess.cc.

 {
   return modelManager->NumberOfModels();
 }

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G4int G4VEmProcess::GetNumberOfRegionModels ( size_t couple_index ) const

Definition at line 248 of file G4VEmProcess.cc.

 {
   return modelManager->NumberOfRegionModels(couple_index);
 }

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G4ParticleChangeForGamma * G4VEmProcess::GetParticleChange ( )

inlineprotected

Definition at line 648 of file G4VEmProcess.hh.

 {
   return &fParticleChange;
 }

G4VEmModel * G4VEmProcess::GetRegionModel	(	G4int	idx,
		size_t	couple_index
	)		const

Definition at line 255 of file G4VEmProcess.cc.

 {
   return modelManager->GetRegionModel(idx, couple_index);
 }

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const G4Element * G4VEmProcess::GetTargetElement ( ) const

inlineprotected

Definition at line 685 of file G4VEmProcess.hh.

 {
   return currentModel->GetCurrentElement();
 }

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const G4Isotope * G4VEmProcess::GetTargetIsotope ( ) const

inlineprotected

Definition at line 692 of file G4VEmProcess.hh.

 {
   return currentModel->GetCurrentIsotope();
 }

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virtual void G4VEmProcess::InitialiseProcess ( const G4ParticleDefinition * )

protectedpure virtual

virtual G4bool G4VEmProcess::IsApplicable ( const G4ParticleDefinition & p )

overridepure virtual

G4bool G4VEmProcess::IsIntegral ( ) const

inlineprotected

Definition at line 634 of file G4VEmProcess.hh.

 {
   return integral;
 }

G4int G4VEmProcess::LambdaBinning ( ) const

inlineprotected

Definition at line 564 of file G4VEmProcess.hh.

 {
   return nLambdaBins;
 }

G4PhysicsVector * G4VEmProcess::LambdaPhysicsVector ( const G4MaterialCutsCouple * )

protected

Definition at line 1112 of file G4VEmProcess.cc.

 {
   G4PhysicsVector* v = 
     new G4PhysicsLogVector(minKinEnergy, maxKinEnergy, nLambdaBins);
   v->SetSpline(theParameters->Spline());
   return v;
 }

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G4PhysicsTable * G4VEmProcess::LambdaTable ( ) const

inline

Definition at line 599 of file G4VEmProcess.hh.

 {
   return theLambdaTable;
 }

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G4PhysicsTable * G4VEmProcess::LambdaTablePrim ( ) const

inline

Definition at line 606 of file G4VEmProcess.hh.

 {
   return theLambdaTablePrim;
 }

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G4double G4VEmProcess::MaxKinEnergy ( ) const

inlineprotected

Definition at line 578 of file G4VEmProcess.hh.

 {
   return maxKinEnergy;
 }

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G4double G4VEmProcess::MeanFreePath ( const G4Track & track )

Definition at line 1033 of file G4VEmProcess.cc.

 {
   DefineMaterial(track.GetMaterialCutsCouple());
   preStepLambda = GetCurrentLambda(track.GetKineticEnergy());
   G4double x = DBL_MAX;
   if(0.0 < preStepLambda) { x = 1.0/preStepLambda; }
   return x;
 }

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G4double G4VEmProcess::MinKinEnergy ( ) const

inlineprotected

Definition at line 571 of file G4VEmProcess.hh.

 {
   return minKinEnergy;
 }

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G4double G4VEmProcess::MinPrimaryEnergy	(	const G4ParticleDefinition *	,
		const G4Material *
	)

protectedvirtual

Reimplemented in G4GammaConversion, and G4CoulombScattering.

Definition at line 195 of file G4VEmProcess.cc.

 {
   return 0.0;
 }

const G4ParticleDefinition * G4VEmProcess::Particle ( ) const

inline

Definition at line 613 of file G4VEmProcess.hh.

 {
   return particle;
 }

G4double G4VEmProcess::PolarAngleLimit ( ) const

inlineprotected

Definition at line 585 of file G4VEmProcess.hh.

 {
   return theParameters->MscThetaLimit();
 }

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G4VParticleChange * G4VEmProcess::PostStepDoIt	(	const G4Track &	track,
		const G4Step &	step
	)

overridevirtual

Reimplemented from G4VDiscreteProcess.

Definition at line 718 of file G4VEmProcess.cc.

 {
   // In all cases clear number of interaction lengths
   theNumberOfInteractionLengthLeft = -1.0;
   mfpKinEnergy = DBL_MAX; 
 
   fParticleChange.InitializeForPostStep(track);
 
   // Do not make anything if particle is stopped, the annihilation then
   // should be performed by the AtRestDoIt!
   if (track.GetTrackStatus() == fStopButAlive) { return &fParticleChange; }
 
   G4double finalT = track.GetKineticEnergy();
 
   // forced process - should happen only once per track
   if(biasFlag) {
     if(biasManager->ForcedInteractionRegion(currentCoupleIndex)) {
       biasFlag = false;
     }
   }
 
   // Integral approach
   if (integral) {
     G4double lx = GetLambda(finalT, currentCouple);
     if(preStepLambda<lx && 1 < verboseLevel) {
       G4cout << "WARNING: for " << currentParticle->GetParticleName() 
              << " and " << GetProcessName()
              << " E(MeV)= " << finalT/MeV
              << " preLambda= " << preStepLambda << " < " 
              << lx << " (postLambda) "
              << G4endl;  
     }
 
     if(preStepLambda*G4UniformRand() > lx) {
       ClearNumberOfInteractionLengthLeft();
       return &fParticleChange;
     }
   }
 
   SelectModel(finalT, currentCoupleIndex);
   if(!currentModel->IsActive(finalT)) { return &fParticleChange; }
 
   // define new weight for primary and secondaries
   G4double weight = fParticleChange.GetParentWeight();
   if(weightFlag) { 
     weight /= biasFactor; 
     fParticleChange.ProposeWeight(weight);
   }
   
   /*  
   if(0 < verboseLevel) {
     G4cout << "G4VEmProcess::PostStepDoIt: Sample secondary; E= "
            << finalT/MeV
            << " MeV; model= (" << currentModel->LowEnergyLimit()
            << ", " <<  currentModel->HighEnergyLimit() << ")"
            << G4endl;
   }
   */
 
   // sample secondaries
   secParticles.clear();
   currentModel->SampleSecondaries(&secParticles, 
                                   currentCouple, 
                                   track.GetDynamicParticle(),
                                   (*theCuts)[currentCoupleIndex]);
 
   G4int num0 = secParticles.size();
 
   // splitting or Russian roulette
   if(biasManager) {
     if(biasManager->SecondaryBiasingRegion(currentCoupleIndex)) {
       G4double eloss = 0.0;
       weight *= biasManager->ApplySecondaryBiasing(
         secParticles, track, currentModel, &fParticleChange, eloss, 
         currentCoupleIndex, (*theCuts)[currentCoupleIndex],
         step.GetPostStepPoint()->GetSafety());
       if(eloss > 0.0) {
         eloss += fParticleChange.GetLocalEnergyDeposit();
         fParticleChange.ProposeLocalEnergyDeposit(eloss);
       }
     }
   }
 
   // save secondaries
   G4int num = secParticles.size();
   if(num > 0) {
 
     fParticleChange.SetNumberOfSecondaries(num);
     G4double edep = fParticleChange.GetLocalEnergyDeposit();
     G4double time = track.GetGlobalTime();
      
     for (G4int i=0; i<num; ++i) {
       if (secParticles[i]) {
         G4DynamicParticle* dp = secParticles[i];
         const G4ParticleDefinition* p = dp->GetParticleDefinition();
         G4double e = dp->GetKineticEnergy();
         G4bool good = true;
         if(applyCuts) {
           if (p == theGamma) {
             if (e < (*theCutsGamma)[currentCoupleIndex]) { good = false; }
 
           } else if (p == theElectron) {
             if (e < (*theCutsElectron)[currentCoupleIndex]) { good = false; }
 
           } else if (p == thePositron) {
             if (electron_mass_c2 < (*theCutsGamma)[currentCoupleIndex] &&
                 e < (*theCutsPositron)[currentCoupleIndex]) {
               good = false;
               e += 2.0*electron_mass_c2;
             }
           }
           // added secondary if it is good
         }
         if (good) { 
           G4Track* t = new G4Track(dp, time, track.GetPosition());
           t->SetTouchableHandle(track.GetTouchableHandle());
           t->SetWeight(weight);
           pParticleChange->AddSecondary(t);
 
           // define type of secondary
           if(i < mainSecondaries) { t->SetCreatorModelIndex(secID); }
           else if(i < num0) {
             if(p == theGamma) { 
               t->SetCreatorModelIndex(fluoID);
             } else {
               t->SetCreatorModelIndex(augerID);
             }
           } else {
             t->SetCreatorModelIndex(biasID);
           }
  
           //G4cout << "Secondary(post step) has weight " << t->GetWeight() 
           // << ", Ekin= " << t->GetKineticEnergy()/MeV << " MeV" <<G4endl;
         } else {
           delete dp;
           edep += e;
         }
       } 
     }
     fParticleChange.ProposeLocalEnergyDeposit(edep);
   }
 
   if(0.0 == fParticleChange.GetProposedKineticEnergy() &&
      fAlive == fParticleChange.GetTrackStatus()) {
     if(particle->GetProcessManager()->GetAtRestProcessVector()->size() > 0)
          { fParticleChange.ProposeTrackStatus(fStopButAlive); }
     else { fParticleChange.ProposeTrackStatus(fStopAndKill); }
   }
 
   return &fParticleChange;
 }

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G4double G4VEmProcess::PostStepGetPhysicalInteractionLength	(	const G4Track &	track,
		G4double	previousStepSize,
		G4ForceCondition *	condition
	)

overridevirtual

Reimplemented from G4VDiscreteProcess.

Reimplemented in G4PolarizedCompton, and G4eplusPolarizedAnnihilation.

Definition at line 638 of file G4VEmProcess.cc.

 {
   *condition = NotForced;
   G4double x = DBL_MAX;
 
   preStepKinEnergy = track.GetKineticEnergy();
   DefineMaterial(track.GetMaterialCutsCouple());
   SelectModel(preStepKinEnergy, currentCoupleIndex);
 
   if(!currentModel->IsActive(preStepKinEnergy)) { 
     theNumberOfInteractionLengthLeft = -1.0;
     currentInteractionLength = DBL_MAX;
     return x; 
   }
  
   // forced biasing only for primary particles
   if(biasManager) {
     if(0 == track.GetParentID()) {
       if(biasFlag && 
          biasManager->ForcedInteractionRegion(currentCoupleIndex)) {
         return biasManager->GetStepLimit(currentCoupleIndex, previousStepSize);
       }
     }
   }
 
   // compute mean free path
   if(preStepKinEnergy < mfpKinEnergy) {
     if (integral) { ComputeIntegralLambda(preStepKinEnergy); }
     else { preStepLambda = GetCurrentLambda(preStepKinEnergy); }
 
     // zero cross section
     if(preStepLambda <= 0.0) { 
       theNumberOfInteractionLengthLeft = -1.0;
       currentInteractionLength = DBL_MAX;
     }
   }
 
   // non-zero cross section
   if(preStepLambda > 0.0) { 
 
     if (theNumberOfInteractionLengthLeft < 0.0) {
 
       // beggining of tracking (or just after DoIt of this process)
       theNumberOfInteractionLengthLeft =  -G4Log( G4UniformRand() );
       theInitialNumberOfInteractionLength = theNumberOfInteractionLengthLeft; 
 
     } else if(currentInteractionLength < DBL_MAX) {
 
       theNumberOfInteractionLengthLeft -= 
         previousStepSize/currentInteractionLength;
       theNumberOfInteractionLengthLeft = 
         std::max(theNumberOfInteractionLengthLeft, 0.0);
     }
 
     // new mean free path and step limit for the next step
     currentInteractionLength = 1.0/preStepLambda;
     x = theNumberOfInteractionLengthLeft * currentInteractionLength;
     /*
 #ifdef G4VERBOSE
     if (verboseLevel>2){
       G4cout << "G4VEmProcess::PostStepGetPhysicalInteractionLength ";
       G4cout << "[ " << GetProcessName() << "]" << G4endl; 
       G4cout << " for " << currentParticle->GetParticleName() 
              << " in Material  " <<  currentMaterial->GetName()
              << " Ekin(MeV)= " << preStepKinEnergy/MeV 
              <<G4endl;
       G4cout << " MeanFreePath = " << currentInteractionLength/cm << "[cm]" 
              << " InteractionLength= " << x/cm <<"[cm] " <<G4endl;
     }
 #endif
     */
   }
   return x;
 }

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void G4VEmProcess::PreparePhysicsTable ( const G4ParticleDefinition & part )

overridevirtual

Reimplemented from G4VProcess.

Definition at line 269 of file G4VEmProcess.cc.

 {
   G4bool isMaster = true;
   const G4VEmProcess* masterProcess = 
     static_cast<const G4VEmProcess*>(GetMasterProcess());
   if(masterProcess && masterProcess != this) { isMaster = false; }
 
   if(!particle) { SetParticle(&part); }
 
   if(part.GetParticleType() == "nucleus" && 
      part.GetParticleSubType() == "generic") {
 
     G4String pname = part.GetParticleName();
     if(pname != "deuteron" && pname != "triton" &&
        pname != "alpha" && pname != "He3" &&
        pname != "alpha+"   && pname != "helium" &&
        pname != "hydrogen") {
 
       particle = G4GenericIon::GenericIon();
     }
   }
 
   if(1 < verboseLevel) {
     G4cout << "G4VEmProcess::PreparePhysicsTable() for "
            << GetProcessName()
            << " and particle " << part.GetParticleName()
            << " local particle " << particle->GetParticleName() 
            << G4endl;
   }
 
   if(particle != &part) { return; }
 
   G4LossTableBuilder* bld = lManager->GetTableBuilder();
 
   lManager->PreparePhysicsTable(&part, this, isMaster);
 
   Clear();
   InitialiseProcess(particle);
 
   const G4ProductionCutsTable* theCoupleTable=
     G4ProductionCutsTable::GetProductionCutsTable();
   size_t n = theCoupleTable->GetTableSize();
 
   theEnergyOfCrossSectionMax.resize(n, 0.0);
   theCrossSectionMax.resize(n, DBL_MAX);
 
   // initialisation of the process  
   if(!actMinKinEnergy) { minKinEnergy = theParameters->MinKinEnergy(); }
   if(!actMaxKinEnergy) { maxKinEnergy = theParameters->MaxKinEnergy(); }
   if(!actSpline) { splineFlag = theParameters->Spline(); }
 
   if(isMaster) { SetVerboseLevel(theParameters->Verbose()); }
   else {  SetVerboseLevel(theParameters->WorkerVerbose()); }
   applyCuts = theParameters->ApplyCuts();
   lambdaFactor = theParameters->LambdaFactor();
   theParameters->DefineRegParamForEM(this);
 
   // initialisation of models
   numberOfModels = modelManager->NumberOfModels();
   for(G4int i=0; i<numberOfModels; ++i) {
     G4VEmModel* mod = modelManager->GetModel(i);
     if(0 == i) { currentModel = mod; }
     mod->SetPolarAngleLimit(theParameters->MscThetaLimit());
     mod->SetMasterThread(isMaster);
     if(mod->HighEnergyLimit() > maxKinEnergy) {
       mod->SetHighEnergyLimit(maxKinEnergy);
     }
   }
 
   if(lManager->AtomDeexcitation()) { modelManager->SetFluoFlag(true); }
   theCuts = modelManager->Initialise(particle,secondaryParticle,
                                      2.,verboseLevel);
   theCutsGamma    = theCoupleTable->GetEnergyCutsVector(idxG4GammaCut);
   theCutsElectron = theCoupleTable->GetEnergyCutsVector(idxG4ElectronCut);
   theCutsPositron = theCoupleTable->GetEnergyCutsVector(idxG4PositronCut);
 
   // prepare tables
   if(buildLambdaTable && isMaster){
     theLambdaTable = 
       G4PhysicsTableHelper::PreparePhysicsTable(theLambdaTable);
     bld->InitialiseBaseMaterials(theLambdaTable);
   }
   // high energy table
   if(isMaster && minKinEnergyPrim < maxKinEnergy){
     theLambdaTablePrim = 
       G4PhysicsTableHelper::PreparePhysicsTable(theLambdaTablePrim);
     bld->InitialiseBaseMaterials(theLambdaTablePrim);
   }
   // forced biasing
   if(biasManager) { 
     biasManager->Initialise(part,GetProcessName(),verboseLevel); 
     biasFlag = false; 
   }
   // defined ID of secondary particles
   G4String nam1 = GetProcessName();
   G4String nam2 = nam1 + "_fluo" ;
   G4String nam3 = nam1 + "_auger";
   G4String nam4 = nam1 + "_split";
   secID   = G4PhysicsModelCatalog::Register(nam1); 
   fluoID  = G4PhysicsModelCatalog::Register(nam2); 
   augerID = G4PhysicsModelCatalog::Register(nam3); 
   biasID  = G4PhysicsModelCatalog::Register(nam4); 
 }

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void G4VEmProcess::ProcessDescription ( std::ostream & outFile ) const

virtual

Definition at line 1254 of file G4VEmProcess.cc.

 {
   outFile << "EM process <" << GetProcessName() << ">" << G4endl;
 }

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G4double G4VEmProcess::RecalculateLambda	(	G4double	kinEnergy,
		const G4MaterialCutsCouple *	couple
	)

inlineprotected

Definition at line 530 of file G4VEmProcess.hh.

 {
   DefineMaterial(couple);
   SelectModel(e, currentCoupleIndex);
   return fFactor*ComputeCurrentLambda(e);
 }

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G4bool G4VEmProcess::RetrievePhysicsTable	(	const G4ParticleDefinition *	part,
		const G4String &	directory,
		G4bool	ascii
	)

overridevirtual

Reimplemented from G4VProcess.

Definition at line 924 of file G4VEmProcess.cc.

 {
   if(1 < verboseLevel) {
     G4cout << "G4VEmProcess::RetrievePhysicsTable() for "
            << part->GetParticleName() << " and process "
            << GetProcessName() << G4endl;
   }
   G4bool yes = true;
 
   if((!buildLambdaTable && minKinEnergyPrim > maxKinEnergy) 
      || particle != part) { return yes; }
 
   const G4String particleName = part->GetParticleName();
   G4String filename;
 
   if(buildLambdaTable) {
     filename = GetPhysicsTableFileName(part,directory,"Lambda",ascii);
     yes = G4PhysicsTableHelper::RetrievePhysicsTable(theLambdaTable,
                                                      filename,ascii);
     if ( yes ) {
       if (0 < verboseLevel) {
         G4cout << "Lambda table for " << particleName 
                << " is Retrieved from <"
                << filename << ">"
                << G4endl;
       }
       if(theParameters->Spline()) {
         size_t n = theLambdaTable->length();
         for(size_t i=0; i<n; ++i) {
           if((* theLambdaTable)[i]) {
             (* theLambdaTable)[i]->SetSpline(true);
           }
         }
       }
     } else {
       if (1 < verboseLevel) {
         G4cout << "Lambda table for " << particleName << " in file <"
                << filename << "> is not exist"
                << G4endl;
       }
     }
   }
   if(minKinEnergyPrim < maxKinEnergy) {
     filename = GetPhysicsTableFileName(part,directory,"LambdaPrim",ascii);
     yes = G4PhysicsTableHelper::RetrievePhysicsTable(theLambdaTablePrim,
                                                      filename,ascii);
     if ( yes ) {
       if (0 < verboseLevel) {
         G4cout << "Lambda table prim for " << particleName 
                << " is Retrieved from <"
                << filename << ">"
                << G4endl;
       }
       if(theParameters->Spline()) {
         size_t n = theLambdaTablePrim->length();
         for(size_t i=0; i<n; ++i) {
           if((* theLambdaTablePrim)[i]) {
             (* theLambdaTablePrim)[i]->SetSpline(true);
           }
         }
       }
     } else {
       if (1 < verboseLevel) {
         G4cout << "Lambda table prim for " << particleName << " in file <"
                << filename << "> is not exist"
                << G4endl;
       }
     }
   }
 
   return yes;
 }

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const G4ParticleDefinition * G4VEmProcess::SecondaryParticle ( ) const

inline

Definition at line 620 of file G4VEmProcess.hh.

 {
   return secondaryParticle;
 }

G4VEmModel * G4VEmProcess::SelectModel	(	G4double &	kinEnergy,
		size_t	index
	)

inlineprotected

Definition at line 465 of file G4VEmProcess.hh.

 {
   if(1 < numberOfModels) {
     currentModel = modelManager->SelectModel(kinEnergy, index);
   }
   currentModel->SetCurrentCouple(currentCouple);
   return currentModel;
 }

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G4VEmModel * G4VEmProcess::SelectModelForMaterial	(	G4double	kinEnergy,
		size_t &	idxRegion
	)		const

inline

Definition at line 477 of file G4VEmProcess.hh.

 {
   return modelManager->SelectModel(kinEnergy, idxRegion);
 }

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void G4VEmProcess::SetBuildTableFlag ( G4bool val )

inline

Definition at line 641 of file G4VEmProcess.hh.

 {
   buildLambdaTable = val;
 }

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void G4VEmProcess::SetCrossSectionBiasingFactor	(	G4double	f,
		G4bool	flag = `true`
	)

Definition at line 1131 of file G4VEmProcess.cc.

 {
   if(f > 0.0) { 
     biasFactor = f; 
     weightFlag = flag;
     if(1 < verboseLevel) {
       G4cout << "### SetCrossSectionBiasingFactor: for " 
              << particle->GetParticleName() 
              << " and process " << GetProcessName()
              << " biasFactor= " << f << " weightFlag= " << flag 
              << G4endl; 
     }
   }
 }

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void G4VEmProcess::SetEmModel	(	G4VEmModel *	p,
		G4int	index = `1`
	)

Definition at line 213 of file G4VEmProcess.cc.

 {
   G4int n = emModels.size();
   if(index >= n) { 
     for(G4int i=n; i<=index; ++i) {emModels.push_back(nullptr);} 
   }
   emModels[index] = p;
 }

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void G4VEmProcess::SetIntegral ( G4bool val )

inline

Definition at line 627 of file G4VEmProcess.hh.

 {
   integral = val; 
 }

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void G4VEmProcess::SetLambdaBinning ( G4int nbins )

Definition at line 1194 of file G4VEmProcess.cc.

 {
   if(5 < n && n < 10000000) {  
     nLambdaBins = n; 
     actBinning = true;
   } else { 
     G4double e = (G4double)n;
     PrintWarning("SetLambdaBinning", e); 
   } 
 }

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void G4VEmProcess::SetMaxKinEnergy ( G4double e )

Definition at line 1219 of file G4VEmProcess.cc.

 {
   if(minKinEnergy < e && e < 1.e+6*TeV) { 
     nLambdaBins = G4lrint(nLambdaBins*G4Log(e/minKinEnergy)
                           /G4Log(maxKinEnergy/minKinEnergy));
     maxKinEnergy = e;
     actMaxKinEnergy = true;
   } else { PrintWarning("SetMaxKinEnergy", e); } 
 }

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void G4VEmProcess::SetMinKinEnergy ( G4double e )

Definition at line 1207 of file G4VEmProcess.cc.

 {
   if(1.e-3*eV < e && e < maxKinEnergy) { 
     nLambdaBins = G4lrint(nLambdaBins*G4Log(maxKinEnergy/e)
                           /G4Log(maxKinEnergy/minKinEnergy));
     minKinEnergy = e;
     actMinKinEnergy = true;
   } else { PrintWarning("SetMinKinEnergy", e); } 
 }

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void G4VEmProcess::SetMinKinEnergyPrim ( G4double e )

Definition at line 1231 of file G4VEmProcess.cc.

 {
   if(theParameters->MinKinEnergy() <= e && 
      e <= theParameters->MaxKinEnergy()) { minKinEnergyPrim = e; } 
   else { PrintWarning("SetMinKinEnergyPrim", e); } 
 }

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void G4VEmProcess::SetParticle ( const G4ParticleDefinition * p )

inlineprotected

Definition at line 655 of file G4VEmProcess.hh.

 {
   particle = p;
   currentParticle = p;
 }

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void G4VEmProcess::SetSecondaryParticle ( const G4ParticleDefinition * p )

inlineprotected

Definition at line 663 of file G4VEmProcess.hh.

 {
   secondaryParticle = p;
 }

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void G4VEmProcess::SetSplineFlag ( G4bool val )

inlineprotected

Definition at line 677 of file G4VEmProcess.hh.

 {
   splineFlag = val;
   actSpline = true;
 }

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void G4VEmProcess::SetStartFromNullFlag ( G4bool val )

inlineprotected

Definition at line 670 of file G4VEmProcess.hh.

 {
   startFromNull = val;
 }

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void G4VEmProcess::StartTracking ( G4Track * track )

overridevirtual

Reimplemented from G4VProcess.

Definition at line 619 of file G4VEmProcess.cc.

 {
   // reset parameters for the new track
   currentParticle = track->GetParticleDefinition();
   theNumberOfInteractionLengthLeft = -1.0;
   mfpKinEnergy = DBL_MAX; 
 
   // forced biasing only for primary particles
   if(biasManager) {
     if(0 == track->GetParentID()) {
       // primary particle
       biasFlag = true; 
       biasManager->ResetForcedInteraction(); 
     }
   }
 }

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G4bool G4VEmProcess::StorePhysicsTable	(	const G4ParticleDefinition *	part,
		const G4String &	directory,
		G4bool	ascii = `false`
	)

overridevirtual

Reimplemented from G4VProcess.

Definition at line 873 of file G4VEmProcess.cc.

 {
   G4bool yes = true;
   const G4VEmProcess* masterProc = 
     static_cast<const G4VEmProcess*>(GetMasterProcess());
   if(masterProc && masterProc != this) { return yes; }
 
   if ( theLambdaTable && part == particle) {
     const G4String name = 
       GetPhysicsTableFileName(part,directory,"Lambda",ascii);
     yes = theLambdaTable->StorePhysicsTable(name,ascii);
 
     if ( yes ) {
       G4cout << "Physics table is stored for " << particle->GetParticleName()
              << " and process " << GetProcessName()
              << " in the directory <" << directory
              << "> " << G4endl;
     } else {
       G4cout << "Fail to store Physics Table for " 
              << particle->GetParticleName()
              << " and process " << GetProcessName()
              << " in the directory <" << directory
              << "> " << G4endl;
     }
   }
   if ( theLambdaTablePrim && part == particle) {
     const G4String name = 
       GetPhysicsTableFileName(part,directory,"LambdaPrim",ascii);
     yes = theLambdaTablePrim->StorePhysicsTable(name,ascii);
 
     if ( yes ) {
       G4cout << "Physics table prim is stored for " 
              << particle->GetParticleName()
              << " and process " << GetProcessName()
              << " in the directory <" << directory
              << "> " << G4endl;
     } else {
       G4cout << "Fail to store Physics Table Prim for " 
              << particle->GetParticleName()
              << " and process " << GetProcessName()
              << " in the directory <" << directory
              << "> " << G4endl;
     }
   }
   return yes;
 }

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void G4VEmProcess::UpdateEmModel	(	const G4String &	nam,
		G4double	emin,
		G4double	emax
	)

Definition at line 233 of file G4VEmProcess.cc.

 {
   modelManager->UpdateEmModel(nam, emin, emax);
 }

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Member Data Documentation

G4ParticleChangeForGamma G4VEmProcess::fParticleChange

protected

Definition at line 392 of file G4VEmProcess.hh.

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

geant4.10.03.p01/source/processes/electromagnetic/utils/include/G4VEmProcess.hh
geant4.10.03.p01/source/processes/electromagnetic/utils/src/G4VEmProcess.cc

Protected Attributes
G4ParticleChangeForGamma	fParticleChange

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

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation