#include <G4SamplingPostStepAction.hh>

Public Member Functions
void	DoIt (const G4Track &aTrack, G4ParticleChange *aParticleChange, const G4Nsplit_Weight &nw)

	G4SamplingPostStepAction (const G4VTrackTerminator &TrackTerminator)

	~G4SamplingPostStepAction ()

Private Member Functions
void	Split (const G4Track &aTrack, const G4Nsplit_Weight &nw, G4ParticleChange *aParticleChange)

Private Attributes
const G4VTrackTerminator &	fTrackTerminator

Detailed Description

Definition at line 48 of file G4SamplingPostStepAction.hh.

Constructor & Destructor Documentation

◆ G4SamplingPostStepAction()

G4SamplingPostStepAction::G4SamplingPostStepAction ( const G4VTrackTerminator & TrackTerminator )

explicit

Definition at line 43 of file G4SamplingPostStepAction.cc.

  : fTrackTerminator(TrackTerminator)
{
}

◆ ~G4SamplingPostStepAction()

G4SamplingPostStepAction::~G4SamplingPostStepAction ( )

Definition at line 49 of file G4SamplingPostStepAction.cc.

50{

51}

Member Function Documentation

◆ DoIt()

void G4SamplingPostStepAction::DoIt	(	const G4Track &	aTrack,
		G4ParticleChange *	aParticleChange,
		const G4Nsplit_Weight &	nw
	)

Definition at line 53 of file G4SamplingPostStepAction.cc.

{  
  // evaluate results from sampler
  if (nw.fN>1)
  {
    // split track 
    Split(aTrack, nw, aParticleChange);
  }
  else if (nw.fN==1)
  {
    // don't split, but weight may be changed ! 
    aParticleChange->ProposeWeight(nw.fW);
  }
  else if (nw.fN==0)
  {
    // kill track
    fTrackTerminator.KillTrack();
  }
  else
  {
    // wrong answer
    std::ostringstream os;
    os << "Sampler returned nw = "
       << nw
       << "\n";
    G4String msg = os.str();
    
    G4Exception("G4SamplingPostStepAction::DoIt()",
                "InvalidCondition", FatalException, msg);
  }
}

References FatalException, G4Nsplit_Weight::fN, fTrackTerminator, G4Nsplit_Weight::fW, G4Exception(), G4VTrackTerminator::KillTrack(), G4VParticleChange::ProposeWeight(), and Split().

Referenced by G4ImportanceProcess::PostStepDoIt(), and G4WeightWindowProcess::PostStepDoIt().

◆ Split()

void G4SamplingPostStepAction::Split	(	const G4Track &	aTrack,
		const G4Nsplit_Weight &	nw,
		G4ParticleChange *	aParticleChange
	)

private

Definition at line 87 of file G4SamplingPostStepAction.cc.

{
  aParticleChange->ProposeWeight(nw.fW);
  aParticleChange->SetNumberOfSecondaries(nw.fN-1);
  
  for (G4int i=1;i<nw.fN;i++)
  {
    G4Track *ptrack = new G4Track(aTrack);
    
    //    ptrack->SetCreatorProcess(aTrack.GetCreatorProcess());
    ptrack->SetWeight(nw.fW);
    
    if (ptrack->GetMomentumDirection() != aTrack.GetMomentumDirection())
    {
      G4Exception("G4SamplingPostStepAction::Split()", "InvalidCondition",
                  FatalException, "Track with same momentum !");
    }
    aParticleChange->AddSecondary(ptrack);
  }
  return;
}  

References G4ParticleChange::AddSecondary(), FatalException, G4Nsplit_Weight::fN, G4Nsplit_Weight::fW, G4Exception(), G4Track::GetMomentumDirection(), G4VParticleChange::ProposeWeight(), G4VParticleChange::SetNumberOfSecondaries(), and G4Track::SetWeight().

Referenced by DoIt().

Field Documentation

◆ fTrackTerminator

const G4VTrackTerminator& G4SamplingPostStepAction::fTrackTerminator

private

Definition at line 72 of file G4SamplingPostStepAction.hh.