G4ErrorPropagationNavigator Class Reference

#include <G4ErrorPropagationNavigator.hh>

Inheritance diagram for G4ErrorPropagationNavigator:

Public Member Functions
	G4ErrorPropagationNavigator ()
	~G4ErrorPropagationNavigator ()
G4double	ComputeStep (const G4ThreeVector &pGlobalPoint, const G4ThreeVector &pDirection, const G4double pCurrentProposedStepLength, G4double &pNewSafety)
G4double	ComputeSafety (const G4ThreeVector &globalpoint, const G4double pProposedMaxLength=DBL_MAX, const G4bool keepState=true)

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Detailed Description

Definition at line 50 of file G4ErrorPropagationNavigator.hh.

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Constructor & Destructor Documentation

G4ErrorPropagationNavigator::G4ErrorPropagationNavigator

(

)

Definition at line 43 of file G4ErrorPropagationNavigator.cc.

  : G4Navigator()
{
}

G4ErrorPropagationNavigator::~G4ErrorPropagationNavigator

(

)

Definition at line 50 of file G4ErrorPropagationNavigator.cc.

{
}

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Member Function Documentation

G4double G4ErrorPropagationNavigator::ComputeSafety	(	const G4ThreeVector &	globalpoint,
		const G4double	pProposedMaxLength = DBL_MAX,
		const G4bool	keepState = true
	)			[virtual]

Reimplemented from G4Navigator.

Definition at line 126 of file G4ErrorPropagationNavigator.cc.

References G4Navigator::ComputeSafety(), G4ErrorTarget::GetDistanceFromPoint(), G4ErrorPropagatorData::GetErrorPropagatorData(), and G4ErrorPropagatorData::GetTarget().

Referenced by ComputeStep().

{
  G4double newSafety = G4Navigator::ComputeSafety(pGlobalpoint,
                                                  pMaxLength, keepState);

  G4ErrorPropagatorData *g4edata
    = G4ErrorPropagatorData::GetErrorPropagatorData();

  if (g4edata !=0)
  {
    const G4ErrorTarget* target = g4edata->GetTarget();
    if( target != 0 )
    {
      G4double distance = target->GetDistanceFromPoint(pGlobalpoint);
      
      if(distance<newSafety)
      {
        newSafety = distance;
      }
    }
  }
  return newSafety;
} 

G4double G4ErrorPropagationNavigator::ComputeStep	(	const G4ThreeVector &	pGlobalPoint,
		const G4ThreeVector &	pDirection,
		const G4double	pCurrentProposedStepLength,
		G4double &	pNewSafety
	)			[virtual]

Reimplemented from G4Navigator.

Definition at line 57 of file G4ErrorPropagationNavigator.cc.

References ComputeSafety(), G4Navigator::ComputeStep(), DBL_MAX, G4ErrorTarget::Dump(), G4cout, G4endl, G4ErrorState_Propagating, G4ErrorState_TargetCloserThanBoundary, G4ErrorTarget::GetDistanceFromPoint(), G4ErrorPropagatorData::GetErrorPropagatorData(), G4ErrorPropagatorData::GetTarget(), G4ErrorPropagatorData::SetState(), and G4ErrorPropagatorData::verbose().

{
  G4double Step = G4Navigator::ComputeStep(pGlobalPoint, pDirection,
                                           pCurrentProposedStepLength,
                                           pNewSafety);
  
  G4ErrorPropagatorData * g4edata
    = G4ErrorPropagatorData::GetErrorPropagatorData();

  if (g4edata !=0)
  {
    const G4ErrorTarget* target = g4edata->GetTarget();
    if( target != 0 )
    {
      G4double StepPlane= target->GetDistanceFromPoint(pGlobalPoint,pDirection);

      if( StepPlane < 0. ) // Negative means target is crossed, will not be found
      {
        StepPlane = DBL_MAX; 
      }
#ifdef G4VERBOSE
      if( G4ErrorPropagatorData::verbose() >= 4 )
      {
        G4cout << "G4ErrorPropagationNavigator::ComputeStep()" << G4endl
               << "  Target step: " << StepPlane
               << ", Transportation step: " << Step << G4endl;
        target->Dump( "G4ErrorPropagationNavigator::ComputeStep Target " );
      }
#endif

      if(StepPlane<Step)
      {
#ifdef G4VERBOSE
        if( G4ErrorPropagatorData::verbose() >= 2 )
        {
          G4cout << "G4ErrorPropagationNavigator::ComputeStep()" << G4endl
                 << "  TargetCloserThanBoundary: " << StepPlane << " < "
                 << Step << G4endl;
        }
#endif
        Step = StepPlane;
        g4edata->SetState(G4ErrorState_TargetCloserThanBoundary);
      }
      else
      {
        g4edata->SetState(G4ErrorState_Propagating);
      }
    }
  }
  pNewSafety = ComputeSafety(pGlobalPoint, pCurrentProposedStepLength);

#ifdef G4VERBOSE
  if( G4ErrorPropagatorData::verbose() >= 3 )
  {
    G4cout << "G4ErrorPropagationNavigator::ComputeStep()" << G4endl
           << "  Step: " << Step << ", ComputeSafety: " << pNewSafety
           << G4endl;
  }
#endif

  return Step;
}

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

• G4ErrorPropagationNavigator.hh
• G4ErrorPropagationNavigator.cc

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