ElectronLimiter Class Reference

#include <ElectronLimiter.h>

Inheritance diagram for ElectronLimiter:

Public Member Functions
virtual void	BuildPhysicsTable (const G4ParticleDefinition &)
	ElectronLimiter (const edm::ParameterSet &p)
virtual G4double	GetMeanFreePath (const G4Track &, G4double, G4ForceCondition *)
virtual G4VParticleChange *	PostStepDoIt (const G4Track &, const G4Step &)
virtual G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
void	SetFieldCheckFlag (G4bool)
void	SetRangeCheckFlag (G4bool)
virtual	~ElectronLimiter ()

Private Attributes
G4bool	fieldCheckFlag
G4VEnergyLossProcess *	fIonisation
G4ParticleChangeForGamma	fParticleChange
G4bool	killTrack
G4bool	minStepLimit
const G4ParticleDefinition *	particle
G4bool	rangeCheckFlag

Detailed Description

Definition at line 17 of file ElectronLimiter.h.

Constructor & Destructor Documentation

ElectronLimiter::ElectronLimiter

(

const edm::ParameterSet &

p

)

Definition at line 15 of file ElectronLimiter.cc.

References fieldCheckFlag, fIonisation, edm::ParameterSet::getParameter(), killTrack, minStepLimit, particle, and rangeCheckFlag.

 : G4VDiscreteProcess("eLimiter", fGeneral)
{
  // set Process Sub Type
  SetProcessSubType(static_cast<int>(STEP_LIMITER));

  minStepLimit = p.getParameter<double>("MinStepLimit")*mm;
  rangeCheckFlag = false;
  fieldCheckFlag = false;
  killTrack = false;

  fIonisation = 0;
  particle = 0;
}

ElectronLimiter::~ElectronLimiter ( )

virtual

Definition at line 30 of file ElectronLimiter.cc.

{}

Member Function Documentation

void ElectronLimiter::BuildPhysicsTable ( const G4ParticleDefinition &  part )

virtual

Definition at line 33 of file ElectronLimiter.cc.

References fIonisation, and particle.

{
  particle = ∂
  fIonisation = G4LossTableManager::Instance()->GetEnergyLossProcess(particle);
  /*
  std::cout << "ElectronLimiter::BuildPhysicsTable for " 
        << particle->GetParticleName()
        << " ioni: " << fIonisation << " rangeCheckFlag: " << rangeCheckFlag
        << " fieldCheckFlag: " << fieldCheckFlag << std::endl;
  */
}

G4double ElectronLimiter::GetMeanFreePath ( const G4Track &  , G4double  , G4ForceCondition *    )

inlinevirtual

Definition at line 86 of file ElectronLimiter.cc.

{
  return DBL_MAX;
}    

G4VParticleChange * ElectronLimiter::PostStepDoIt ( const G4Track &  aTrack, const G4Step &    )

inlinevirtual

Definition at line 74 of file ElectronLimiter.cc.

References fParticleChange, and killTrack.

{
  fParticleChange.Initialize(aTrack);
  if(killTrack) {
    fParticleChange.ProposeTrackStatus(fStopAndKill);
    fParticleChange.ProposeLocalEnergyDeposit(aTrack.GetKineticEnergy());
    fParticleChange.SetProposedKineticEnergy(0.0);
  }
  return &fParticleChange;
}

G4double ElectronLimiter::PostStepGetPhysicalInteractionLength ( const G4Track &  track, G4double  previousStepSize, G4ForceCondition *  condition  )

virtual

Definition at line 46 of file ElectronLimiter.cc.

References fieldCheckFlag, fIonisation, killTrack, MessageLogger_cff::limit, minStepLimit, and rangeCheckFlag.

{
  *condition = NotForced;
  
  G4double limit = DBL_MAX; 
  killTrack = false;

  if(rangeCheckFlag) {
    G4double safety = aTrack.GetStep()->GetPreStepPoint()->GetSafety();
    if(safety > minStepLimit) {
      G4double kinEnergy = aTrack.GetKineticEnergy();
      G4double range = fIonisation->GetRangeForLoss(kinEnergy,
                            aTrack.GetMaterialCutsCouple());
      if(safety >= range) { 
    killTrack = true; 
        limit = 0.0;
      }
    }
  }
  if(!killTrack && fieldCheckFlag) {
    limit = minStepLimit;
  }

  return limit;
}

void ElectronLimiter::SetFieldCheckFlag ( G4bool  val )

inline

Definition at line 58 of file ElectronLimiter.h.

References fieldCheckFlag.

Referenced by ParametrisedEMPhysics::ConstructProcess().

{
  fieldCheckFlag = val;
}

void ElectronLimiter::SetRangeCheckFlag ( G4bool  val )

inline

Definition at line 53 of file ElectronLimiter.h.

References rangeCheckFlag.

Referenced by ParametrisedEMPhysics::ConstructProcess().

{
  rangeCheckFlag = val;
}

Member Data Documentation

G4bool ElectronLimiter::fieldCheckFlag

private

Definition at line 49 of file ElectronLimiter.h.

Referenced by ElectronLimiter(), PostStepGetPhysicalInteractionLength(), and SetFieldCheckFlag().

G4VEnergyLossProcess* ElectronLimiter::fIonisation

private

Definition at line 42 of file ElectronLimiter.h.

Referenced by BuildPhysicsTable(), ElectronLimiter(), and PostStepGetPhysicalInteractionLength().

G4ParticleChangeForGamma ElectronLimiter::fParticleChange

private

Definition at line 41 of file ElectronLimiter.h.

Referenced by PostStepDoIt().

G4bool ElectronLimiter::killTrack

private

Definition at line 50 of file ElectronLimiter.h.

Referenced by ElectronLimiter(), PostStepDoIt(), and PostStepGetPhysicalInteractionLength().

G4bool ElectronLimiter::minStepLimit

private

Definition at line 46 of file ElectronLimiter.h.

Referenced by ElectronLimiter(), and PostStepGetPhysicalInteractionLength().

const G4ParticleDefinition* ElectronLimiter::particle

private

Definition at line 44 of file ElectronLimiter.h.

Referenced by BuildPhysicsTable(), and ElectronLimiter().

G4bool ElectronLimiter::rangeCheckFlag

private

Definition at line 48 of file ElectronLimiter.h.

Referenced by ElectronLimiter(), PostStepGetPhysicalInteractionLength(), and SetRangeCheckFlag().