G4ErrorEnergyLoss Class Reference

#include <G4ErrorEnergyLoss.hh>

Inheritance diagram for G4ErrorEnergyLoss:

Public Member Functions
	G4ErrorEnergyLoss (const G4String &processName="G4ErrorEnergyLoss", G4ProcessType type=fElectromagnetic)
	~G4ErrorEnergyLoss () override
G4bool	IsApplicable (const G4ParticleDefinition &aParticleType) override
G4double	GetContinuousStepLimit (const G4Track &aTrack, G4double, G4double currentMinimumStep, G4double &) override
G4VParticleChange *	AlongStepDoIt (const G4Track &aTrack, const G4Step &aStep) override
G4double	GetStepLimit () const
void	SetStepLimit (G4double val)
	G4ErrorEnergyLoss (G4ErrorEnergyLoss &)=delete
G4ErrorEnergyLoss &	operator= (const G4ErrorEnergyLoss &right)=delete
Public Member Functions inherited from G4VContinuousProcess
	G4VContinuousProcess (const G4String &aName, G4ProcessType aType=fNotDefined)
	G4VContinuousProcess (G4VContinuousProcess &)
virtual	~G4VContinuousProcess ()
G4VContinuousProcess &	operator= (const G4VContinuousProcess &)=delete
virtual G4double	AlongStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)
virtual G4double	PostStepGetPhysicalInteractionLength (const G4Track &, G4double, G4ForceCondition *)
virtual G4double	AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *)
virtual G4VParticleChange *	AtRestDoIt (const G4Track &, const G4Step &)
virtual G4VParticleChange *	PostStepDoIt (const G4Track &, const G4Step &)
Public Member Functions inherited from G4VProcess
	G4VProcess (const G4String &aName="NoName", G4ProcessType aType=fNotDefined)
	G4VProcess (const G4VProcess &right)
virtual	~G4VProcess ()
G4VProcess &	operator= (const G4VProcess &)=delete
G4bool	operator== (const G4VProcess &right) const
G4bool	operator!= (const G4VProcess &right) const
G4double	GetCurrentInteractionLength () const
void	SetPILfactor (G4double value)
G4double	GetPILfactor () const
G4double	AlongStepGPIL (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)
G4double	AtRestGPIL (const G4Track &track, G4ForceCondition *condition)
G4double	PostStepGPIL (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
virtual void	BuildPhysicsTable (const G4ParticleDefinition &)
virtual void	PreparePhysicsTable (const G4ParticleDefinition &)
virtual G4bool	StorePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)
virtual G4bool	RetrievePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)
const G4String &	GetPhysicsTableFileName (const G4ParticleDefinition *, const G4String &directory, const G4String &tableName, G4bool ascii=false)
const G4String &	GetProcessName () const
G4ProcessType	GetProcessType () const
void	SetProcessType (G4ProcessType)
G4int	GetProcessSubType () const
void	SetProcessSubType (G4int)
virtual const G4VProcess *	GetCreatorProcess () const
virtual void	StartTracking (G4Track *)
virtual void	EndTracking ()
virtual void	SetProcessManager (const G4ProcessManager *)
virtual const G4ProcessManager *	GetProcessManager ()
virtual void	ResetNumberOfInteractionLengthLeft ()
G4double	GetNumberOfInteractionLengthLeft () const
G4double	GetTotalNumberOfInteractionLengthTraversed () const
G4bool	isAtRestDoItIsEnabled () const
G4bool	isAlongStepDoItIsEnabled () const
G4bool	isPostStepDoItIsEnabled () const
virtual void	DumpInfo () const
virtual void	ProcessDescription (std::ostream &outfile) const
void	SetVerboseLevel (G4int value)
G4int	GetVerboseLevel () const
virtual void	SetMasterProcess (G4VProcess *masterP)
const G4VProcess *	GetMasterProcess () const
virtual void	BuildWorkerPhysicsTable (const G4ParticleDefinition &part)
virtual void	PrepareWorkerPhysicsTable (const G4ParticleDefinition &)

Additional Inherited Members
Static Public Member Functions inherited from G4VProcess
static const G4String &	GetProcessTypeName (G4ProcessType)
Protected Member Functions inherited from G4VContinuousProcess
void	SetGPILSelection (G4GPILSelection selection)
G4GPILSelection	GetGPILSelection () const
Protected Member Functions inherited from G4VProcess
void	SubtractNumberOfInteractionLengthLeft (G4double prevStepSize)
void	ClearNumberOfInteractionLengthLeft ()
Protected Attributes inherited from G4VProcess
const G4ProcessManager *	aProcessManager = nullptr
G4VParticleChange *	pParticleChange = nullptr
G4ParticleChange	aParticleChange
G4double	theNumberOfInteractionLengthLeft = -1.0
G4double	currentInteractionLength = -1.0
G4double	theInitialNumberOfInteractionLength = -1.0
G4String	theProcessName
G4String	thePhysicsTableFileName
G4ProcessType	theProcessType = fNotDefined
G4int	theProcessSubType = -1
G4double	thePILfactor = 1.0
G4int	verboseLevel = 0
G4bool	enableAtRestDoIt = true
G4bool	enableAlongStepDoIt = true
G4bool	enablePostStepDoIt = true

Detailed Description

Definition at line 47 of file G4ErrorEnergyLoss.hh.

Constructor & Destructor Documentation

G4ErrorEnergyLoss() [1/2]

G4ErrorEnergyLoss::G4ErrorEnergyLoss ( const G4String & processName = "G4ErrorEnergyLoss", G4ProcessType type = fElectromagnetic )

explicit

Definition at line 32 of file G4ErrorEnergyLoss.cc.

  : G4VContinuousProcess(processName, type)
{
  if (verboseLevel>2) {
    G4cout << GetProcessName() << " is created " << G4endl;
  }
 
  theELossForExtrapolator = new G4EnergyLossForExtrapolator;
  theStepLimit = 1.*CLHEP::mm;
}

Referenced by G4ErrorEnergyLoss(), and operator=().

~G4ErrorEnergyLoss()

G4ErrorEnergyLoss::~G4ErrorEnergyLoss ( )

override

Definition at line 49 of file G4ErrorEnergyLoss.cc.

{
  delete theELossForExtrapolator;
}

G4ErrorEnergyLoss() [2/2]

G4ErrorEnergyLoss::G4ErrorEnergyLoss ( G4ErrorEnergyLoss & )

delete

Member Function Documentation

AlongStepDoIt()

G4VParticleChange * G4ErrorEnergyLoss::AlongStepDoIt ( const G4Track & aTrack, const G4Step & aStep )

overridevirtual

Reimplemented from G4VContinuousProcess.

Definition at line 63 of file G4ErrorEnergyLoss.cc.

{
  aParticleChange.Initialize(aTrack);
 
  G4ErrorPropagatorData* g4edata = G4ErrorPropagatorData::GetErrorPropagatorData();
 
  G4double kinEnergyStart = aTrack.GetKineticEnergy();
  G4double step_length  = aStep.GetStepLength();
 
  const G4Material* aMaterial = aTrack.GetMaterial();
  const G4ParticleDefinition* aParticleDef = aTrack.GetDynamicParticle()->GetDefinition();
  G4double kinEnergyEnd = kinEnergyStart;
 
  // backward - energy increased
  if( g4edata->GetMode() == G4ErrorMode(G4ErrorMode_PropBackwards) ) {
    kinEnergyEnd = theELossForExtrapolator->EnergyBeforeStep( kinEnergyStart, 
                                  step_length, 
                                  aMaterial, 
                                  aParticleDef );
    G4double kinEnergyHalfStep = (kinEnergyStart + kinEnergyEnd) * 0.5;
 
#ifdef G4VERBOSE
  if(G4ErrorPropagatorData::verbose() >= 3 ) 
    G4cout << " G4ErrorEnergyLoss FWD  end " << kinEnergyEnd 
       << " halfstep " << kinEnergyHalfStep << G4endl;
#endif
 
    //--- rescale to energy lost at 1/2 step
    kinEnergyEnd = theELossForExtrapolator->EnergyBeforeStep( kinEnergyHalfStep, 
                                  step_length, 
                                  aMaterial, 
                                  aParticleDef );
    kinEnergyEnd = kinEnergyStart - (kinEnergyHalfStep - kinEnergyEnd );
 
    // forward - energy decreased
  } else {
    kinEnergyEnd = theELossForExtrapolator->EnergyAfterStep( kinEnergyStart, 
                                 step_length, 
                                 aMaterial, 
                                 aParticleDef );
    G4double kinEnergyHalfStep = (kinEnergyStart + kinEnergyEnd) * 0.5;
#ifdef G4VERBOSE
  if(G4ErrorPropagatorData::verbose() >= 3 ) 
    G4cout << " G4ErrorEnergyLoss BCKD  end " << kinEnergyEnd 
       << " halfstep " << kinEnergyHalfStep << G4endl;
#endif
 
    //--- rescale to energy lost at 1/2 step
    kinEnergyEnd = theELossForExtrapolator->EnergyAfterStep( kinEnergyHalfStep, 
                                 step_length, 
                                 aMaterial, 
                                 aParticleDef );
    kinEnergyEnd = kinEnergyStart - (kinEnergyHalfStep - kinEnergyEnd );
  }
 
  G4double edepo = kinEnergyEnd - kinEnergyStart;
 
#ifdef G4VERBOSE
  if( G4ErrorPropagatorData::verbose() >= 2 ) 
    G4cout << "AlongStepDoIt Estart= " << kinEnergyStart << " Eend " << kinEnergyEnd 
       << " Ediff " << kinEnergyStart-kinEnergyEnd << " step= " << step_length 
       << " mate= " << aMaterial->GetName() 
       << " particle= " << aParticleDef->GetParticleName() << G4endl;
#endif
 
  aParticleChange.ClearDebugFlag();
  aParticleChange.ProposeLocalEnergyDeposit( edepo );
  aParticleChange.SetNumberOfSecondaries(0);
 
  aParticleChange.ProposeEnergy( kinEnergyEnd );
  
  return &aParticleChange;
}

GetContinuousStepLimit()

G4double G4ErrorEnergyLoss::GetContinuousStepLimit ( const G4Track & aTrack, G4double , G4double currentMinimumStep, G4double &  )

overridevirtual

Implements G4VContinuousProcess.

Definition at line 139 of file G4ErrorEnergyLoss.cc.

{ 
  G4double ekin = aTrack.GetKineticEnergy();
  const G4Material* mat = aTrack.GetMaterial();
  const G4ParticleDefinition* part = 
    aTrack.GetDynamicParticle()->GetDefinition();
  G4double range = theELossForExtrapolator->ComputeRange(ekin, part, mat);
  G4double delta = std::max(range*theFractionLimit, theStepLimit);
#ifdef G4VERBOSE
  if(G4ErrorPropagatorData::verbose() >= 2 ) {
    G4cout << " G4ErrorEnergyLoss: limiting Step " << delta 
       << " energy(GeV) " << ekin / CLHEP::GeV 
       << " for " << part->GetParticleName() << G4endl;
  }
#endif
  return delta;
}

GetStepLimit()

G4double G4ErrorEnergyLoss::GetStepLimit ( ) const

inline

Definition at line 69 of file G4ErrorEnergyLoss.hh.

{ return theStepLimit; }

IsApplicable()

G4bool G4ErrorEnergyLoss::IsApplicable ( const G4ParticleDefinition & aParticleType )

overridevirtual

Reimplemented from G4VProcess.

Definition at line 56 of file G4ErrorEnergyLoss.cc.

{
   return (aParticleType.GetPDGCharge() != 0);
}

operator=()

G4ErrorEnergyLoss & G4ErrorEnergyLoss::operator= ( const G4ErrorEnergyLoss & right )

delete

SetStepLimit()

void G4ErrorEnergyLoss::SetStepLimit ( G4double val )

inline

Definition at line 70 of file G4ErrorEnergyLoss.hh.

{ theStepLimit = val; }

---

The documentation for this class was generated from the following files:

• G4ErrorEnergyLoss.hh
• G4ErrorEnergyLoss.cc