G4ImportanceBiasing.cc

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// $Id$
//
//---------------------------------------------------------------------------
//
// ClassName:   G4ImportanceBiasing
//
// Author:      A. Howard (Nov.09.2013)
//
// Modified:
//
//----------------------------------------------------------------------------
//
//
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#include "G4ImportanceBiasing.hh"

#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"

#include "G4TransportationManager.hh"
//#include "G4ParallelWorldProcess.hh"
#include "G4ImportanceProcess.hh"

#include "G4IStore.hh"

// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(G4ImportanceBiasing);

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G4ImportanceBiasing::G4ImportanceBiasing(const G4String& name)
:  G4VPhysicsConstructor(name), fGeomSampler(0), paraFlag(false)
{;}

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G4ImportanceBiasing::G4ImportanceBiasing(G4GeometrySampler* mgs, const G4String& name)
:  G4VPhysicsConstructor(name), fGeomSampler(mgs), paraFlag(false), paraName(name)
{
  if(name != "NoParallelWP") {
    paraFlag = true;
    paraName = name;
  }
}

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G4ImportanceBiasing::~G4ImportanceBiasing()
{;}

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void G4ImportanceBiasing::ConstructParticle()
{;}

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void G4ImportanceBiasing::ConstructProcess()
{
  G4cout << " paraFlag: " << paraFlag << G4endl;

  static G4bool first = true;
  if(first) {
    G4cout << " Preparing Importance Sampling " << G4endl;
    fGeomSampler->SetParallel(paraFlag);
    if(paraFlag) {
      fGeomSampler->PrepareImportanceSampling(G4IStore::GetInstance(paraName), 0);
    } else {
      fGeomSampler->PrepareImportanceSampling(G4IStore::GetInstance(), 0);
    }
  }

  if(first) {
    fGeomSampler->Configure();
    first = false;
  }

#ifdef G4MULTITHREADED
  fGeomSampler->AddProcess();
#endif

}

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