geant4/examples/extended/electromagnetic/TestEm7/src/PhysicsList.cc

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// $Id: PhysicsList.cc,v 1.7 2003/06/14 16:01:19 vnivanch Exp $
// GEANT4 tag $Name: geant4-05-02 $
//

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#include "PhysicsList.hh"
#include "PhysicsListMessenger.hh"

#include "PhysListParticles.hh"
#include "PhysListGeneral.hh"
#include "PhysListEmStandard.hh"
#include "PhysListEmModel.hh"
#include "PhysListHadronElastic.hh"
#include "PhysListBinaryCascade.hh"

#include "G4Gamma.hh"
#include "G4Electron.hh"
#include "G4Positron.hh"

#include "G4UnitsTable.hh"
#include "G4LossTableManager.hh"

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PhysicsList::PhysicsList() : G4VModularPhysicsList()
{
  G4LossTableManager::Instance();
  defaultCutValue = 1.*mm;
  cutForGamma     = defaultCutValue;
  cutForElectron  = defaultCutValue;
  cutForPositron  = defaultCutValue;

  stepMaxProcess  = 0;

  pMessenger = new PhysicsListMessenger(this);

  SetVerboseLevel(1);

   // Particles
  particleList = new PhysListParticles("particles");

  // General Physics
  generalPhysicsList = new PhysListGeneral("general");

  // EM physics
  emName = G4String("standard");
  emPhysicsList = new PhysListEmStandard(emName);

}

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PhysicsList::~PhysicsList()
{
  delete pMessenger;
  delete generalPhysicsList;
  delete emPhysicsList;
  for(size_t i=0; i<hadronPhys.size(); i++) delete hadronPhys[i];
}

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void PhysicsList::ConstructParticle()
{
  particleList->ConstructParticle();
}

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void PhysicsList::ConstructProcess()
{
  AddTransportation();
  generalPhysicsList->ConstructProcess();
  emPhysicsList->ConstructProcess();
  for(size_t i=0; i<hadronPhys.size(); i++) hadronPhys[i]->ConstructProcess();
  AddStepMax();
}

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void PhysicsList::AddPhysicsList(const G4String& name)
{
  if (verboseLevel>-1) {
    G4cout << "PhysicsList::AddPhysicsList: <" << name << ">" << G4endl;
  }

  if (name == emName) return;

  if (name == "standard") {

    emName = name;
    delete emPhysicsList;
    emPhysicsList = new PhysListEmStandard(name);

  } else if (name == "model") {

    emName = name;
    delete emPhysicsList;
    emPhysicsList = new PhysListEmModel(name);

  } else if (name == "elastic") {

    hadronPhys.push_back( new PhysListHadronElastic(name));

  } else if (name == "binary") {

    hadronPhys.push_back( new PhysListBinaryCascade(name));

  } else {

    G4cout << "PhysicsList::AddPhysicsList: <" << name << ">"
           << " is not defined"
           << G4endl;
  }
}

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#include "StepMax.hh"

#include "G4ProcessManager.hh"
#include "G4ParticleTypes.hh"
#include "G4ParticleTable.hh"

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void PhysicsList::AddStepMax()
{
  // Step limitation seen as a process
  stepMaxProcess = new StepMax();

  theParticleIterator->reset();
  while ((*theParticleIterator)()){
      G4ParticleDefinition* particle = theParticleIterator->value();
      G4ProcessManager* pmanager = particle->GetProcessManager();

      if (stepMaxProcess->IsApplicable(*particle))
        {
	  pmanager ->AddDiscreteProcess(stepMaxProcess);
        }
  }
}

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void PhysicsList::SetCuts()
{

  if (verboseLevel >0){
    G4cout << "PhysicsList::SetCuts:";
    G4cout << "CutLength : " << G4BestUnit(defaultCutValue,"Length") << G4endl;
  }

  // set cut values for gamma at first and for e- second and next for e+,
  // because some processes for e+/e- need cut values for gamma
  SetCutValue(cutForGamma, "gamma");
  SetCutValue(cutForElectron, "e-");
  SetCutValue(cutForPositron, "e+");

  if (verboseLevel>0) DumpCutValuesTable();
}

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void PhysicsList::SetCutForGamma(G4double cut)
{
  cutForGamma = cut;
  SetParticleCuts(cutForGamma, G4Gamma::Gamma());
}

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void PhysicsList::SetCutForElectron(G4double cut)
{
  cutForElectron = cut;
  SetParticleCuts(cutForElectron, G4Electron::Electron());
}

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void PhysicsList::SetCutForPositron(G4double cut)
{
  cutForPositron = cut;
  SetParticleCuts(cutForPositron, G4Positron::Positron());
}

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