G4StepLimiterBuilder.cc

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//
// $Id$
//
//---------------------------------------------------------------------------
//
// ClassName:   G4StepLimiterBuilder
//
// Author:      V.Ivanchenko 24.11.2004
//
// Modified:
//
//----------------------------------------------------------------------------
//
//
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#include "G4StepLimiterBuilder.hh"
 
#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"
 
#include "G4StepLimiter.hh"
#include "G4UserSpecialCuts.hh"
 
// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(G4StepLimiterBuilder);
 
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G4StepLimiterBuilder::G4StepLimiterBuilder(const G4String& name)
   :  G4VPhysicsConstructor(name)
{
  fStepLimiter = new G4StepLimiter();
  fUserSpecialCuts = new G4UserSpecialCuts();
}
 
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G4StepLimiterBuilder::~G4StepLimiterBuilder()
{
  delete fStepLimiter;
  delete fUserSpecialCuts;
}
 
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void G4StepLimiterBuilder::ConstructParticle()
{}
 
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void G4StepLimiterBuilder::ConstructProcess()
{
  theParticleIterator->reset();
 
  while ((*theParticleIterator)()) {
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4double charge = particle->GetPDGCharge();
 
    if(!particle->IsShortLived()) {
      if (charge != 0.0) {
    // All charged particles should have a step limiter
    // to make sure that the steps do not get too long.
    pmanager->AddDiscreteProcess(fStepLimiter);
    pmanager->AddDiscreteProcess(fUserSpecialCuts);
      } else {
    // Energy cuts for all other neutral particles
    pmanager->AddDiscreteProcess(fUserSpecialCuts);
      }
    }
  }
}
 
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