G4BOptnForceCommonTruncatedExp Class Reference

#include <G4BOptnForceCommonTruncatedExp.hh>

Inheritance diagram for G4BOptnForceCommonTruncatedExp:

Public Member Functions
	G4BOptnForceCommonTruncatedExp (G4String name)
virtual	~G4BOptnForceCommonTruncatedExp ()
virtual const G4VBiasingInteractionLaw *	ProvideOccurenceBiasingInteractionLaw (const G4BiasingProcessInterface *)
virtual G4ForceCondition	ProposeForceCondition (const G4ForceCondition processCondition)
virtual G4bool	DenyProcessPostStepDoIt (const G4BiasingProcessInterface *, const G4Track *, const G4Step *, G4double &)
virtual G4double	ProposeAlongStepLimit (const G4BiasingProcessInterface *)
virtual G4GPILSelection	ProposeGPILSelection (const G4GPILSelection processSelection)
virtual G4VParticleChange *	ApplyFinalStateBiasing (const G4BiasingProcessInterface *, const G4Track *, const G4Step *)
virtual G4double	DistanceToApplyOperation (const G4Track *, G4double, G4ForceCondition *)
virtual G4VParticleChange *	GenerateBiasingFinalState (const G4Track *, const G4Step *)
G4ILawCommonTruncatedExp *	GetCommonTruncatedExpLaw ()
void	Initialize (const G4Track *)
void	UpdateForStep (const G4Step *)
void	Sample ()
const G4ThreeVector &	GetInitialMomentum () const
G4double	GetMaximumDistance () const
void	ChooseProcessToApply ()
const G4VProcess *	GetProcessToApply () const
void	AddCrossSection (const G4VProcess *, G4double)
G4double	GetTriggeredProcessXSfraction ()
void	PostStepInteractionOccured (const G4VProcess *)
void	SetInteractionOccured (G4bool b)
G4bool	GetInteractionOccured () const
Public Member Functions inherited from G4VBiasingOperation
	G4VBiasingOperation (G4String name)
virtual	~G4VBiasingOperation ()
virtual void	AlongMoveBy (const G4BiasingProcessInterface *, const G4Step *, G4double)
const G4String &	GetName () const
std::size_t	GetUniqueID () const

Detailed Description

Definition at line 58 of file G4BOptnForceCommonTruncatedExp.hh.

Constructor & Destructor Documentation

G4BOptnForceCommonTruncatedExp::G4BOptnForceCommonTruncatedExp

(

G4String

name

)

Definition at line 33 of file G4BOptnForceCommonTruncatedExp.cc.

References G4ILawCommonTruncatedExp::SetOperation().

  : G4VBiasingOperation(name),
    fInteractionOccured(false)
{
  fCommonTruncatedExpLaw = new G4ILawCommonTruncatedExp("ExpLawForOperation"+name);
  fCommonTruncatedExpLaw->SetOperation( this );
  fTotalCrossSection = 0.0;
}

G4BOptnForceCommonTruncatedExp::~G4BOptnForceCommonTruncatedExp ( )

virtual

Definition at line 42 of file G4BOptnForceCommonTruncatedExp.cc.

{}

Member Function Documentation

void G4BOptnForceCommonTruncatedExp::AddCrossSection	(	const G4VProcess *	process,
		G4double	crossSection
	)

Definition at line 90 of file G4BOptnForceCommonTruncatedExp.cc.

References G4ILawCommonTruncatedExp::SetForceCrossSection(), and G4ILawCommonTruncatedExp::SetNumberOfSharing().

{
  fTotalCrossSection += crossSection;
  fCrossSections[process] = crossSection;
  fNumberOfSharing = fCrossSections.size();
  fCommonTruncatedExpLaw->SetNumberOfSharing  ( fNumberOfSharing );
  fCommonTruncatedExpLaw->SetForceCrossSection( fTotalCrossSection );
}

virtual G4VParticleChange* G4BOptnForceCommonTruncatedExp::ApplyFinalStateBiasing ( const G4BiasingProcessInterface *  , const G4Track *  , const G4Step *    )

inlinevirtual

Implements G4VBiasingOperation.

Definition at line 76 of file G4BOptnForceCommonTruncatedExp.hh.

                                                          {return 0;}

void G4BOptnForceCommonTruncatedExp::ChooseProcessToApply

(

)

Definition at line 141 of file G4BOptnForceCommonTruncatedExp.cc.

References G4UniformRand.

Referenced by Sample().

{
  G4double sigmaRand = G4UniformRand() * fTotalCrossSection;
  G4double sigmaSelect = 0.0;
  for ( std::map< const G4VProcess*, G4double>::const_iterator it = fCrossSections.begin();
    it != fCrossSections.end();
    it++)
    {
      sigmaSelect += (*it).second;
      if ( sigmaRand <= sigmaSelect )
    {
      fProcessToApply = (*it).first;
      break;
    }
    }
}

G4bool G4BOptnForceCommonTruncatedExp::DenyProcessPostStepDoIt ( const G4BiasingProcessInterface *  callingProcess, const G4Track *  , const G4Step *  step, G4double &    )

virtual

Reimplemented from G4VBiasingOperation.

Definition at line 67 of file G4BOptnForceCommonTruncatedExp.cc.

References G4BiasingProcessInterface::GetAlongStepGPIL(), G4BiasingProcessInterface::GetPostStepGPIL(), and G4BiasingProcessInterface::GetWrappedProcess().

{
  G4double processGPIL = callingProcess->GetPostStepGPIL() < callingProcess->GetAlongStepGPIL() ?
    callingProcess->GetPostStepGPIL() : callingProcess->GetAlongStepGPIL() ;
  if ( processGPIL <= step->GetStepLength() )
    {
      G4bool denyProcess = (callingProcess->GetWrappedProcess() != fProcessToApply );
      fInteractionOccured = (fInteractionOccured || !denyProcess);
      return denyProcess;
    }
  else return true;
}

virtual G4double G4BOptnForceCommonTruncatedExp::DistanceToApplyOperation ( const G4Track *  , G4double  , G4ForceCondition *    )

inlinevirtual

Implements G4VBiasingOperation.

Definition at line 79 of file G4BOptnForceCommonTruncatedExp.hh.

References DBL_MAX.

                                                          {return DBL_MAX;}

virtual G4VParticleChange* G4BOptnForceCommonTruncatedExp::GenerateBiasingFinalState ( const G4Track *  , const G4Step *    )

inlinevirtual

Implements G4VBiasingOperation.

Definition at line 82 of file G4BOptnForceCommonTruncatedExp.hh.

                                                          {return 0;}

G4ILawCommonTruncatedExp* G4BOptnForceCommonTruncatedExp::GetCommonTruncatedExpLaw ( )

inline

Definition at line 89 of file G4BOptnForceCommonTruncatedExp.hh.

  {
    return fCommonTruncatedExpLaw;
  }

const G4ThreeVector& G4BOptnForceCommonTruncatedExp::GetInitialMomentum ( ) const

inline

Definition at line 96 of file G4BOptnForceCommonTruncatedExp.hh.

{ return fInitialMomentum; }

G4bool G4BOptnForceCommonTruncatedExp::GetInteractionOccured ( ) const

inline

Definition at line 104 of file G4BOptnForceCommonTruncatedExp.hh.

{ return fInteractionOccured; }

G4double G4BOptnForceCommonTruncatedExp::GetMaximumDistance ( ) const

inline

Definition at line 97 of file G4BOptnForceCommonTruncatedExp.hh.

{ return fMaximumDistance;}

const G4VProcess* G4BOptnForceCommonTruncatedExp::GetProcessToApply ( ) const

inline

Definition at line 99 of file G4BOptnForceCommonTruncatedExp.hh.

{ return fProcessToApply; }

G4double G4BOptnForceCommonTruncatedExp::GetTriggeredProcessXSfraction

(

)

Definition at line 81 of file G4BOptnForceCommonTruncatedExp.cc.

Referenced by G4ILawCommonTruncatedExp::ComputeEffectiveCrossSectionAt().

{
  return fCrossSections[fProcessToApply] / fTotalCrossSection;
}

void G4BOptnForceCommonTruncatedExp::Initialize

(

const G4Track *

track

)

Definition at line 100 of file G4BOptnForceCommonTruncatedExp.cc.

References DBL_MIN, G4VSolid::DistanceToOut(), G4VPhysicalVolume::GetLogicalVolume(), G4Track::GetMomentum(), G4Track::GetMomentumDirection(), G4Track::GetPosition(), G4LogicalVolume::GetSolid(), G4TransportationManager::GetTransportationManager(), G4Track::GetVolume(), G4ILawCommonTruncatedExp::reset(), and G4ILawCommonTruncatedExp::SetMaximumDistance().

{
  fCrossSections.clear();
  fTotalCrossSection  = 0.0;
  fNumberOfSharing    = 0;
  fProcessToApply     = 0;
  fInitialMomentum    = track->GetMomentum();

  fCommonTruncatedExpLaw->reset();
  G4VSolid* currentSolid = track->GetVolume()->GetLogicalVolume()->GetSolid();
  G4ThreeVector  localPosition = (G4TransportationManager::GetTransportationManager()->
                  GetNavigatorForTracking()->
                  GetGlobalToLocalTransform()).TransformPoint(track->GetPosition());
  G4ThreeVector localDirection = (G4TransportationManager::GetTransportationManager()->
                  GetNavigatorForTracking()->
                  GetGlobalToLocalTransform()).TransformAxis(track->GetMomentumDirection());
  fMaximumDistance = currentSolid->DistanceToOut(localPosition, localDirection);
  if ( fMaximumDistance <= DBL_MIN )  fMaximumDistance = 0.0;
  fCommonTruncatedExpLaw->SetMaximumDistance( fMaximumDistance );
}

void G4BOptnForceCommonTruncatedExp::PostStepInteractionOccured

(

const G4VProcess *

)

Definition at line 86 of file G4BOptnForceCommonTruncatedExp.cc.

{
}

G4double G4BOptnForceCommonTruncatedExp::ProposeAlongStepLimit ( const G4BiasingProcessInterface *  callingProcess )

virtual

Reimplemented from G4VBiasingOperation.

Definition at line 55 of file G4BOptnForceCommonTruncatedExp.cc.

References DBL_MAX, G4ILawCommonTruncatedExp::GetInteractionDistance(), and G4BiasingProcessInterface::GetWrappedProcess().

{
  if ( callingProcess->GetWrappedProcess() ==  fProcessToApply )
    return  fCommonTruncatedExpLaw->GetInteractionDistance();
  else return DBL_MAX;
}

G4ForceCondition G4BOptnForceCommonTruncatedExp::ProposeForceCondition ( const G4ForceCondition  processCondition )

virtual

Reimplemented from G4VBiasingOperation.

Definition at line 50 of file G4BOptnForceCommonTruncatedExp.cc.

References Forced.

{
  return Forced;
}

G4GPILSelection G4BOptnForceCommonTruncatedExp::ProposeGPILSelection ( const G4GPILSelection  processSelection )

virtual

Reimplemented from G4VBiasingOperation.

Definition at line 62 of file G4BOptnForceCommonTruncatedExp.cc.

References CandidateForSelection.

{
  return CandidateForSelection;
}

const G4VBiasingInteractionLaw * G4BOptnForceCommonTruncatedExp::ProvideOccurenceBiasingInteractionLaw ( const G4BiasingProcessInterface *  )

virtual

Implements G4VBiasingOperation.

Definition at line 45 of file G4BOptnForceCommonTruncatedExp.cc.

{
  return fCommonTruncatedExpLaw;
}

void G4BOptnForceCommonTruncatedExp::Sample

(

)

Definition at line 133 of file G4BOptnForceCommonTruncatedExp.cc.

References ChooseProcessToApply(), G4ILawCommonTruncatedExp::reset(), and G4VBiasingInteractionLaw::Sample().

{
  fCommonTruncatedExpLaw->reset();
  fCommonTruncatedExpLaw->Sample();
  ChooseProcessToApply(); 
}

void G4BOptnForceCommonTruncatedExp::SetInteractionOccured ( G4bool  b )

inline

Definition at line 103 of file G4BOptnForceCommonTruncatedExp.hh.

References test::b.

{ fInteractionOccured = b; }

void G4BOptnForceCommonTruncatedExp::UpdateForStep

(

const G4Step *

step

)

Definition at line 122 of file G4BOptnForceCommonTruncatedExp.cc.

References G4ILawCommonTruncatedExp::GetMaximumDistance(), G4Step::GetStepLength(), and G4VBiasingInteractionLaw::UpdateForStep().

{
  fCrossSections.clear();
  fTotalCrossSection  = 0.0;
  fNumberOfSharing    = 0;
  fProcessToApply     = 0;

  fCommonTruncatedExpLaw->UpdateForStep( step->GetStepLength() );
  fMaximumDistance = fCommonTruncatedExpLaw->GetMaximumDistance();
}

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

• G4BOptnForceCommonTruncatedExp.hh
• G4BOptnForceCommonTruncatedExp.cc