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geant4/examples/extended/biasing/GB06/src/GB06BOptrSplitAndKillByImportance.cc
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//
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//
/// \file GB06/src/GB06BOptrSplitAndKillByImportance.cc
/// \brief Implementation of the GB06BOptrSplitAndKillByImportance class
//
#include "GB06BOptrSplitAndKillByImportance.hh"
#include "GB06BOptnSplitAndKillByImportance.hh"
#include "G4BiasingProcessInterface.hh"
#include "G4ParallelGeometriesLimiterProcess.hh"
#include "G4BiasingProcessSharedData.hh"
#include "G4ParticleDefinition.hh"
#include "G4ParticleTable.hh"
#include "G4VProcess.hh"
#include "G4TransportationManager.hh"
#include "G4TouchableHistoryHandle.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
GB06BOptrSplitAndKillByImportance::
GB06BOptrSplitAndKillByImportance(G4String particleName,
G4String name)
: G4VBiasingOperator(name),
fParallelWorld ( nullptr ),
fParallelWorldIndex ( -1 ),
fBiasingLimiterProcess ( nullptr )
{
fParticleToBias = G4ParticleTable::GetParticleTable()->FindParticle(particleName);
if ( fParticleToBias == 0 )
{
G4ExceptionDescription ed;
ed << "Particle `" << particleName << "' not found !" << G4endl;
G4Exception("GB06BOptrSplitAndKillByImportance(...)",
"exGB06.01",
JustWarning,
ed);
}
fSplitAndKillByImportance =
new GB06BOptnSplitAndKillByImportance("splitterFor_"+particleName);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
GB06BOptrSplitAndKillByImportance::~GB06BOptrSplitAndKillByImportance()
{
delete fSplitAndKillByImportance;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void GB06BOptrSplitAndKillByImportance::StartRun()
{
// ---------------
// -- Setup stage:
// ---------------
// -- get the particle process manager...
const G4ProcessManager* processManager = fParticleToBias->GetProcessManager();
// -- ... to obtain the biasing information shared among this particle processes:
fBiasingSharedData = G4BiasingProcessInterface::GetSharedData( processManager );
// -- Remember the index of the parallel world:
fBiasingLimiterProcess = fBiasingSharedData->GetParallelGeometriesLimiterProcess();
fParallelWorldIndex = fBiasingLimiterProcess->GetParallelWorldIndex(fParallelWorld);
// -- Setup the biasing operation:
fSplitAndKillByImportance-> SetBiasingSharedData( fBiasingSharedData );
fSplitAndKillByImportance->SetParallelWorldIndex( fParallelWorldIndex );
fSplitAndKillByImportance-> SetImportanceMap( &fImportanceMap );
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4VBiasingOperation*
GB06BOptrSplitAndKillByImportance::
ProposeNonPhysicsBiasingOperation(const G4Track* track,
const G4BiasingProcessInterface* /*callingProcess*/)
{
// -- Check if current particle type is the one to bias:
if ( track->GetDefinition() != fParticleToBias ) return 0;
// -- if so, request biasing:
return fSplitAndKillByImportance;
}