G4StepLimiterPhysics.cc

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//
// $Id$
//
//---------------------------------------------------------------------------
//
// ClassName:   G4StepLimiterPhysics
//
// Author:      V.Ivanchenko 24.11.2004
//
// Modified:
//
//----------------------------------------------------------------------------
//
//
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#include "G4StepLimiterPhysics.hh"

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

#include "G4StepLimiter.hh"
#include "G4UserSpecialCuts.hh"

// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(G4StepLimiterPhysics);

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G4StepLimiterPhysics::G4StepLimiterPhysics(const G4String& name)
  :  G4VPhysicsConstructor(name),fStepLimiter(0),fUserSpecialCuts(0), 
     fApplyToAll(false)
{}

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G4StepLimiterPhysics::~G4StepLimiterPhysics()
{
  delete fStepLimiter;
  delete fUserSpecialCuts;
}

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void G4StepLimiterPhysics::ConstructParticle()
{}

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void G4StepLimiterPhysics::ConstructProcess()
{
  auto myParticleIterator=GetParticleIterator();
  myParticleIterator->reset();

  fStepLimiter = new G4StepLimiter();
  fUserSpecialCuts = new G4UserSpecialCuts();
  while ((*myParticleIterator)()) {
    G4ParticleDefinition* particle = myParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4double charge = particle->GetPDGCharge();

    if(!particle->IsShortLived()) {
      if (charge != 0.0 || fApplyToAll) {
          // 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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