G4ScoreSplittingProcess Class Reference

#include <G4ScoreSplittingProcess.hh>

Inheritance diagram for G4ScoreSplittingProcess:

Collaboration diagram for G4ScoreSplittingProcess:

Public Member Functions
	G4ScoreSplittingProcess (const G4String &processName="ScoreSplittingProc", G4ProcessType theType=fParameterisation)
virtual	~G4ScoreSplittingProcess ()
void	StartTracking (G4Track *)
G4double	AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *)
G4VParticleChange *	AtRestDoIt (const G4Track &, const G4Step &)
G4double	AlongStepGetPhysicalInteractionLength (const G4Track &, G4double, G4double, G4double &, G4GPILSelection *)
G4VParticleChange *	AlongStepDoIt (const G4Track &, const G4Step &)
G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
G4VParticleChange *	PostStepDoIt (const G4Track &, const G4Step &)
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 ()
G4int	operator== (const G4VProcess &right) const
G4int	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 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
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 &)

Private Member Functions
G4TouchableHistory *	CreateTouchableForSubStep (G4int newVoxelNum, G4ThreeVector newPosition)
void	CopyStepStart (const G4Step &step)

Private Attributes
G4Step *	fSplitStep
G4StepPoint *	fSplitPreStepPoint
G4StepPoint *	fSplitPostStepPoint
G4VParticleChange	dummyParticleChange
G4ParticleChange	xParticleChange
G4TouchableHandle	fOldTouchableH
G4TouchableHandle	fNewTouchableH
G4TouchableHandle	fInitialTouchableH
G4TouchableHandle	fFinalTouchableH
G4EnergySplitter *	fpEnergySplitter

Additional Inherited Members
Static Public Member Functions inherited from G4VProcess
static const G4String &	GetProcessTypeName (G4ProcessType)
Protected Member Functions inherited from G4VProcess
void	SubtractNumberOfInteractionLengthLeft (G4double previousStepSize)
void	ClearNumberOfInteractionLengthLeft ()
Protected Attributes inherited from G4VProcess
const G4ProcessManager *	aProcessManager
G4VParticleChange *	pParticleChange
G4ParticleChange	aParticleChange
G4double	theNumberOfInteractionLengthLeft
G4double	currentInteractionLength
G4double	theInitialNumberOfInteractionLength
G4String	theProcessName
G4String	thePhysicsTableFileName
G4ProcessType	theProcessType
G4int	theProcessSubType
G4double	thePILfactor
G4bool	enableAtRestDoIt
G4bool	enableAlongStepDoIt
G4bool	enablePostStepDoIt
G4int	verboseLevel

Detailed Description

Definition at line 73 of file G4ScoreSplittingProcess.hh.

Constructor & Destructor Documentation

G4ScoreSplittingProcess()

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

Definition at line 53 of file G4ScoreSplittingProcess.cc.

  :G4VProcess(processName,theType),
   fOldTouchableH(),  fNewTouchableH(), fInitialTouchableH(), fFinalTouchableH()
{
  pParticleChange = &xParticleChange;

  fSplitStep = new G4Step();
  fSplitPreStepPoint =  fSplitStep->GetPreStepPoint();
  fSplitPostStepPoint = fSplitStep->GetPostStepPoint();

  if (verboseLevel>0)
  {
    G4cout << GetProcessName() << " is created " << G4endl;
  }
  fpEnergySplitter = new G4EnergySplitter(); 
}

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~G4ScoreSplittingProcess()

G4ScoreSplittingProcess::~G4ScoreSplittingProcess ( )

virtual

Definition at line 73 of file G4ScoreSplittingProcess.cc.

{
  delete fSplitStep;
  delete fpEnergySplitter; 
}

Member Function Documentation

AlongStepDoIt()

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

virtual

Implements G4VProcess.

Definition at line 375 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  )

virtual

Implements G4VProcess.

Definition at line 360 of file G4ScoreSplittingProcess.cc.

{
  *selection = NotCandidateForSelection;
  return DBL_MAX;
}

AtRestDoIt()

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

virtual

Implements G4VProcess.

Definition at line 387 of file G4ScoreSplittingProcess.cc.

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

AtRestGetPhysicalInteractionLength()

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

virtual

Implements G4VProcess.

Definition at line 348 of file G4ScoreSplittingProcess.cc.

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

CopyStepStart()

void G4ScoreSplittingProcess::CopyStepStart ( const G4Step &  step )

private

Definition at line 266 of file G4ScoreSplittingProcess.cc.

{
  fSplitStep->SetTrack(step.GetTrack());
  fSplitStep->SetStepLength(step.GetStepLength());
  fSplitStep->SetTotalEnergyDeposit(step.GetTotalEnergyDeposit());
  fSplitStep->SetNonIonizingEnergyDeposit(step.GetNonIonizingEnergyDeposit());
  fSplitStep->SetControlFlag(step.GetControlFlag());

  *fSplitPreStepPoint  = *(step.GetPreStepPoint());

  fInitialTouchableH=  (step.GetPreStepPoint()) ->GetTouchableHandle();
  fFinalTouchableH =   (step.GetPostStepPoint())->GetTouchableHandle();
}

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CreateTouchableForSubStep()

G4TouchableHistory * G4ScoreSplittingProcess::CreateTouchableForSubStep ( G4int  newVoxelNum, G4ThreeVector  newPosition  )

private

Definition at line 230 of file G4ScoreSplittingProcess.cc.

{
  // G4cout << " Creating touchable handle for voxel-no " << newVoxelNum << G4endl;

  G4TouchableHistory*  oldTouchableHistory= dynamic_cast<G4TouchableHistory*>(fOldTouchableH());
  G4TouchableHistory*  ptrTouchableHistory= G4TransportationManager::GetTransportationManager()->
                                            GetNavigatorForTracking()->CreateTouchableHistory(oldTouchableHistory->GetHistory());
  
  // Change the history
  G4NavigationHistory* ptrNavHistory= const_cast<G4NavigationHistory*>(ptrTouchableHistory->GetHistory());
  G4VPhysicalVolume*   curPhysicalVol= ptrNavHistory->GetTopVolume();

  EVolume curVolumeType=  ptrNavHistory->GetTopVolumeType();
  if( curVolumeType == kParameterised )
  { 
    ptrNavHistory->BackLevel(); 
    // G4VPVParameterised parameterisedPV= pNewMother
    G4VPVParameterisation* curParamstn=  curPhysicalVol->GetParameterisation();

    // From G4ParameterisedNavigation::IdentifyAndPlaceSolid() inline method
    G4VSolid* sampleSolid = curParamstn->ComputeSolid(newVoxelNum, curPhysicalVol);
    sampleSolid->ComputeDimensions(curParamstn, newVoxelNum, curPhysicalVol);
    curParamstn->ComputeTransformation(newVoxelNum, curPhysicalVol);

    ptrNavHistory->NewLevel( curPhysicalVol, kParameterised, newVoxelNum );
  }
  else
  {
    G4cout << " Current volume type is not Parameterised. " << G4endl; 
    G4Exception("G4ScoreSplittingProcess::CreateTouchableForSubStep",
          "ErrorRegularParamaterisation", JustWarning,
         "Score Splitting Process is used for Regular Structure - but did not find one here.");
  }
  return ptrTouchableHistory; 
}

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PostStepDoIt()

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

virtual

Implements G4VProcess.

Definition at line 134 of file G4ScoreSplittingProcess.cc.

{ 
  G4VPhysicalVolume*    pCurrentVolume= track.GetVolume(); 
  G4LogicalVolume*      pLogicalVolume= pCurrentVolume->GetLogicalVolume(); 
  G4VSensitiveDetector* ptrSD = pLogicalVolume->GetSensitiveDetector();

  pParticleChange->Initialize(track); 
  if(  ( ! pCurrentVolume->IsRegularStructure() ) || ( !ptrSD ) 
    || 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;
}

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PostStepGetPhysicalInteractionLength()

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

virtual

Implements G4VProcess.

Definition at line 110 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 )

virtual

Initialize

Reimplemented from G4VProcess.

Definition at line 84 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);

  fSplitPreStepPoint ->SetStepStatus(fUndefined);
  fSplitPostStepPoint->SetStepStatus(fUndefined);
}

Verbose()

void G4ScoreSplittingProcess::Verbose

(

const G4Step &

step

)

const

Definition at line 280 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())
  { G4cout << step.GetPreStepPoint()->GetProcessDefinedStep()->GetProcessName(); }
  else
  { G4cout << "NoProcessAssigned"; }
  G4cout << G4endl;
  G4cout << "                " << step.GetPreStepPoint()->GetPosition() << G4endl;
  G4cout << " PostStepPoint : ";
  if(step.GetPostStepPoint()->GetPhysicalVolume()) 
  { G4cout << step.GetPostStepPoint()->GetPhysicalVolume()->GetName(); }
  else
  { G4cout << "OutOfWorld"; }
  G4cout << " - ";
  if(step.GetPostStepPoint()->GetProcessDefinedStep())
  { 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())
  { G4cout << fSplitStep->GetPreStepPoint()->GetProcessDefinedStep()->GetProcessName(); }
  else
  { G4cout << "NoProcessAssigned"; }
  G4cout << G4endl;
  G4cout << "                " << fSplitStep->GetPreStepPoint()->GetPosition() << G4endl;
  G4cout << " PostStepPoint : ";
  if(fSplitStep->GetPostStepPoint()->GetPhysicalVolume()) 
  {
    G4cout << fSplitStep->GetPostStepPoint()->GetPhysicalVolume()->GetName() << " ["
           << fSplitStep->GetPostStepPoint()->GetTouchable()->GetReplicaNumber()
           << " ]";
  }
  else
  { G4cout << "OutOfWorld"; }
  G4cout << " - ";
  if(fSplitStep->GetPostStepPoint()->GetProcessDefinedStep())
  { G4cout << fSplitStep->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName(); }
  else
  { G4cout << "NoProcessAssigned"; }
  G4cout << G4endl;
  G4cout << "                 " << fSplitStep->GetPostStepPoint()->GetPosition() << " == "
         << fSplitStep->GetTrack()->GetMomentumDirection() 
         << G4endl;

}

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Member Data Documentation

dummyParticleChange

G4VParticleChange G4ScoreSplittingProcess::dummyParticleChange

private

Definition at line 142 of file G4ScoreSplittingProcess.hh.

fFinalTouchableH

G4TouchableHandle G4ScoreSplittingProcess::fFinalTouchableH

private

Definition at line 156 of file G4ScoreSplittingProcess.hh.

fInitialTouchableH

G4TouchableHandle G4ScoreSplittingProcess::fInitialTouchableH

private

Definition at line 155 of file G4ScoreSplittingProcess.hh.

fNewTouchableH

G4TouchableHandle G4ScoreSplittingProcess::fNewTouchableH

private

Definition at line 152 of file G4ScoreSplittingProcess.hh.

fOldTouchableH

G4TouchableHandle G4ScoreSplittingProcess::fOldTouchableH

private

Definition at line 151 of file G4ScoreSplittingProcess.hh.

fpEnergySplitter

G4EnergySplitter* G4ScoreSplittingProcess::fpEnergySplitter

private

Definition at line 158 of file G4ScoreSplittingProcess.hh.

fSplitPostStepPoint

G4StepPoint* G4ScoreSplittingProcess::fSplitPostStepPoint

private

Definition at line 140 of file G4ScoreSplittingProcess.hh.

fSplitPreStepPoint

G4StepPoint* G4ScoreSplittingProcess::fSplitPreStepPoint

private

Definition at line 139 of file G4ScoreSplittingProcess.hh.

fSplitStep

G4Step* G4ScoreSplittingProcess::fSplitStep

private

Definition at line 138 of file G4ScoreSplittingProcess.hh.

xParticleChange

G4ParticleChange G4ScoreSplittingProcess::xParticleChange

private

Definition at line 143 of file G4ScoreSplittingProcess.hh.

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

• G4ScoreSplittingProcess.hh
• G4ScoreSplittingProcess.cc