G4ScoreSplittingProcess Class Reference

#include <G4ScoreSplittingProcess.hh>

Inheritance diagram for G4ScoreSplittingProcess:

Public Member Functions
	G4ScoreSplittingProcess (const G4String &processName="ScoreSplittingProc", G4ProcessType theType=fParameterisation)
	~G4ScoreSplittingProcess () override
void	StartTracking (G4Track *) override
G4double	AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *) override
G4VParticleChange *	AtRestDoIt (const G4Track &, const G4Step &) override
G4double	AlongStepGetPhysicalInteractionLength (const G4Track &, G4double, G4double, G4double &, G4GPILSelection *) override
G4VParticleChange *	AlongStepDoIt (const G4Track &, const G4Step &) override
G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition) override
G4VParticleChange *	PostStepDoIt (const G4Track &, const G4Step &) override
void	Verbose (const G4Step &) const
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 G4bool	IsApplicable (const G4ParticleDefinition &)
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	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 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 54 of file G4ScoreSplittingProcess.hh.

Constructor & Destructor Documentation

G4ScoreSplittingProcess()

G4ScoreSplittingProcess::G4ScoreSplittingProcess	(	const G4String &	processName = "ScoreSplittingProc",
		G4ProcessType	theType = fParameterisation )

Definition at line 48 of file G4ScoreSplittingProcess.cc.

  : G4VProcess(processName, theType)
{
  pParticleChange = &xParticleChange;
 
  fSplitStep = new G4Step();
  fSplitPreStepPoint = fSplitStep->GetPreStepPoint();
  fSplitPostStepPoint = fSplitStep->GetPostStepPoint();
 
  if (verboseLevel > 0) {
    G4cout << GetProcessName() << " is created " << G4endl;
  }
  fpEnergySplitter = new G4EnergySplitter();
}

~G4ScoreSplittingProcess()

G4ScoreSplittingProcess::~G4ScoreSplittingProcess ( )

override

Definition at line 66 of file G4ScoreSplittingProcess.cc.

{
  delete fSplitStep;
  delete fpEnergySplitter;
}

Member Function Documentation

AlongStepDoIt()

G4VParticleChange * G4ScoreSplittingProcess::AlongStepDoIt ( const G4Track & track, const G4Step &  )

overridevirtual

Implements G4VProcess.

Definition at line 360 of file G4ScoreSplittingProcess.cc.

{
  // Dummy ParticleChange ie: does nothing
  // Expecting G4Transportation to move the track
  dummyParticleChange.Initialize(track);
  return &dummyParticleChange;
}

AlongStepGetPhysicalInteractionLength()

G4double G4ScoreSplittingProcess::AlongStepGetPhysicalInteractionLength ( const G4Track & , G4double , G4double , G4double & , G4GPILSelection * selection )

overridevirtual

Implements G4VProcess.

Definition at line 346 of file G4ScoreSplittingProcess.cc.

{
  *selection = NotCandidateForSelection;
  return DBL_MAX;
}

AtRestDoIt()

G4VParticleChange * G4ScoreSplittingProcess::AtRestDoIt ( const G4Track & track, const G4Step &  )

overridevirtual

Implements G4VProcess.

Definition at line 371 of file G4ScoreSplittingProcess.cc.

{
  pParticleChange->Initialize(track);
  return pParticleChange;
}

AtRestGetPhysicalInteractionLength()

G4double G4ScoreSplittingProcess::AtRestGetPhysicalInteractionLength ( const G4Track & , G4ForceCondition * condition )

overridevirtual

Implements G4VProcess.

Definition at line 335 of file G4ScoreSplittingProcess.cc.

{
  *condition = NotForced;  // Was Forced
  return DBL_MAX;
}

PostStepDoIt()

G4VParticleChange * G4ScoreSplittingProcess::PostStepDoIt ( const G4Track & track, const G4Step & step )

overridevirtual

Implements G4VProcess.

Definition at line 121 of file G4ScoreSplittingProcess.cc.

{
  G4VPhysicalVolume* pCurrentVolume = track.GetVolume();
  G4LogicalVolume* pLogicalVolume = pCurrentVolume->GetLogicalVolume();
  G4VSensitiveDetector* ptrSD = pLogicalVolume->GetSensitiveDetector();
 
  pParticleChange->Initialize(track);
  if ((!pCurrentVolume->IsRegularStructure()) || (ptrSD == nullptr)
      || G4RegularNavigationHelper::Instance()->GetStepLengths().size() <= 1)
  {
    // Set the flag to make sure that Stepping Manager does the scoring
    pParticleChange->ProposeSteppingControl(NormalCondition);
  }
  else {
    G4ThreeVector preStepPosition, postStepPosition, direction, finalPostStepPosition;
    pParticleChange->ProposeSteppingControl(AvoidHitInvocation);
 
    G4double totalEnergyDeposit = step.GetTotalEnergyDeposit();
    G4StepStatus fullStepStatus = step.GetPostStepPoint()->GetStepStatus();
 
    CopyStepStart(step);
    fSplitPreStepPoint->SetSensitiveDetector(ptrSD);
    fOldTouchableH = fInitialTouchableH;
    fNewTouchableH = fOldTouchableH;
    *fSplitPostStepPoint = *(step.GetPreStepPoint());
 
    // Split the energy
    // ----------------
    G4int numberVoxelsInStep = fpEnergySplitter->SplitEnergyInVolumes(&step);
 
    preStepPosition = step.GetPreStepPoint()->GetPosition();
    finalPostStepPosition = step.GetPostStepPoint()->GetPosition();
    direction = (finalPostStepPosition - preStepPosition).unit();
 
    fFinalTouchableH = track.GetNextTouchableHandle();
 
    postStepPosition = preStepPosition;
    // Loop over the sub-parts of this step
    G4int iStep;
    for (iStep = 0; iStep < numberVoxelsInStep; iStep++) {
      G4int idVoxel = -1;  // Voxel ID
      G4double stepLength = 0.0, energyLoss = 0.0;
 
      *fSplitPreStepPoint = *fSplitPostStepPoint;
      fOldTouchableH = fNewTouchableH;
 
      preStepPosition = postStepPosition;
      fSplitPreStepPoint->SetPosition(preStepPosition);
      fSplitPreStepPoint->SetTouchableHandle(fOldTouchableH);
 
      fpEnergySplitter->GetLengthAndEnergyDeposited(iStep, idVoxel, stepLength, energyLoss);
 
      // Correct the material, so that the track->GetMaterial gives correct answer
      pLogicalVolume->SetMaterial(fpEnergySplitter->GetVoxelMaterial(iStep));  // idVoxel) );
 
      postStepPosition = preStepPosition + stepLength * direction;
      fSplitPostStepPoint->SetPosition(postStepPosition);
 
      // Load the Step with the new values
      fSplitStep->SetStepLength(stepLength);
      fSplitStep->SetTotalEnergyDeposit(energyLoss);
      if (iStep < numberVoxelsInStep - 1) {
        fSplitStep->GetPostStepPoint()->SetStepStatus(fGeomBoundary);
        G4int nextVoxelId = -1;
        fpEnergySplitter->GetVoxelID(iStep + 1, nextVoxelId);
 
        // Create new "next" touchable for each section ??
        G4VTouchable* fNewTouchablePtr = CreateTouchableForSubStep(nextVoxelId, postStepPosition);
        fNewTouchableH = G4TouchableHandle(fNewTouchablePtr);
        fSplitPostStepPoint->SetTouchableHandle(fNewTouchableH);
      }
      else {
        fSplitStep->GetPostStepPoint()->SetStepStatus(fullStepStatus);
        fSplitPostStepPoint->SetTouchableHandle(fFinalTouchableH);
      }
 
      // As first approximation, split the NIEL in the same fractions as the energy deposit
      G4double eLossFraction;
      eLossFraction = (totalEnergyDeposit > 0.0) ? energyLoss / totalEnergyDeposit : 1.0;
      fSplitStep->SetNonIonizingEnergyDeposit(step.GetNonIonizingEnergyDeposit() * eLossFraction);
 
      fSplitPostStepPoint->SetSensitiveDetector(ptrSD);
 
      // Call the Sensitive Detector
      ptrSD->Hit(fSplitStep);
 
      if (verboseLevel > 1) Verbose(step);
    }
  }
 
  // This must change the Stepping Control
  return pParticleChange;
}

PostStepGetPhysicalInteractionLength()

G4double G4ScoreSplittingProcess::PostStepGetPhysicalInteractionLength ( const G4Track & track, G4double previousStepSize, G4ForceCondition * condition )

overridevirtual

Implements G4VProcess.

Definition at line 99 of file G4ScoreSplittingProcess.cc.

{
  // This process must be invoked anyway to score the hit
  //   - to do the scoring if the current volume is a regular structure, or
  //   - else to toggle the flag so that the SteppingManager does the scoring.
  *condition = StronglyForced;
 
  // Future optimisation: check whether in regular structure.
  //  If it is in regular structure,  be StronglyForced
  //  If  not  in regular structure,
  //         ask to be called only if SteppingControl is AvoidHitInvocation
  //         in order to reset it to NormalCondition
 
  return DBL_MAX;
}

StartTracking()

void G4ScoreSplittingProcess::StartTracking ( G4Track * trk )

overridevirtual

Initialize

Reimplemented from G4VProcess.

Definition at line 77 of file G4ScoreSplittingProcess.cc.

{
  // Setup initial touchables for the first step
  const G4Step* pStep = trk->GetStep();
 
  fOldTouchableH = trk->GetTouchableHandle();
  *fSplitPreStepPoint = *(pStep->GetPreStepPoint());  // Best to copy, so as to initialise
  fSplitPreStepPoint->SetTouchableHandle(fOldTouchableH);
  fNewTouchableH = fOldTouchableH;
  *fSplitPostStepPoint = *(pStep->GetPostStepPoint());  // Best to copy, so as to initialise
  fSplitPostStepPoint->SetTouchableHandle(fNewTouchableH);
 
  ///  Initialize
  fSplitPreStepPoint->SetStepStatus(fUndefined);
  fSplitPostStepPoint->SetStepStatus(fUndefined);
}

Verbose()

void G4ScoreSplittingProcess::Verbose

(

const G4Step &

step

)

const

Definition at line 265 of file G4ScoreSplittingProcess.cc.

{
  G4cout << "In mass geometry ------------------------------------------------" << G4endl;
  G4cout << " StepLength : " << step.GetStepLength() / mm
         << "      TotalEnergyDeposit : " << step.GetTotalEnergyDeposit() / MeV << G4endl;
  G4cout << " PreStepPoint : " << step.GetPreStepPoint()->GetPhysicalVolume()->GetName() << " - ";
  if (step.GetPreStepPoint()->GetProcessDefinedStep() != nullptr) {
    G4cout << step.GetPreStepPoint()->GetProcessDefinedStep()->GetProcessName();
  }
  else {
    G4cout << "NoProcessAssigned";
  }
  G4cout << G4endl;
  G4cout << "                " << step.GetPreStepPoint()->GetPosition() << G4endl;
  G4cout << " PostStepPoint : ";
  if (step.GetPostStepPoint()->GetPhysicalVolume() != nullptr) {
    G4cout << step.GetPostStepPoint()->GetPhysicalVolume()->GetName();
  }
  else {
    G4cout << "OutOfWorld";
  }
  G4cout << " - ";
  if (step.GetPostStepPoint()->GetProcessDefinedStep() != nullptr) {
    G4cout << step.GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName();
  }
  else {
    G4cout << "NoProcessAssigned";
  }
  G4cout << G4endl;
  G4cout << "                 " << step.GetPostStepPoint()->GetPosition() << G4endl;
 
  G4cout << "In ghost geometry ------------------------------------------------" << G4endl;
  G4cout << " StepLength : " << fSplitStep->GetStepLength() / mm
         << "      TotalEnergyDeposit : " << fSplitStep->GetTotalEnergyDeposit() / MeV << G4endl;
  G4cout << " PreStepPoint : " << fSplitStep->GetPreStepPoint()->GetPhysicalVolume()->GetName()
         << " [" << fSplitStep->GetPreStepPoint()->GetTouchable()->GetReplicaNumber() << " ]"
         << " - ";
  if (fSplitStep->GetPreStepPoint()->GetProcessDefinedStep() != nullptr) {
    G4cout << fSplitStep->GetPreStepPoint()->GetProcessDefinedStep()->GetProcessName();
  }
  else {
    G4cout << "NoProcessAssigned";
  }
  G4cout << G4endl;
  G4cout << "                " << fSplitStep->GetPreStepPoint()->GetPosition() << G4endl;
  G4cout << " PostStepPoint : ";
  if (fSplitStep->GetPostStepPoint()->GetPhysicalVolume() != nullptr) {
    G4cout << fSplitStep->GetPostStepPoint()->GetPhysicalVolume()->GetName() << " ["
           << fSplitStep->GetPostStepPoint()->GetTouchable()->GetReplicaNumber() << " ]";
  }
  else {
    G4cout << "OutOfWorld";
  }
  G4cout << " - ";
  if (fSplitStep->GetPostStepPoint()->GetProcessDefinedStep() != nullptr) {
    G4cout << fSplitStep->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName();
  }
  else {
    G4cout << "NoProcessAssigned";
  }
  G4cout << G4endl;
  G4cout << "                 " << fSplitStep->GetPostStepPoint()->GetPosition()
         << " == " << fSplitStep->GetTrack()->GetMomentumDirection() << G4endl;
}

Referenced by PostStepDoIt().

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

• G4ScoreSplittingProcess.hh
• G4ScoreSplittingProcess.cc