G4FastSimulationManagerProcess Class Reference

#include <G4FastSimulationManagerProcess.hh>

Inheritance diagram for G4FastSimulationManagerProcess:

Public Member Functions
	G4FastSimulationManagerProcess (const G4String &processName="G4FastSimulationManagerProcess", G4ProcessType theType=fParameterisation)
	G4FastSimulationManagerProcess (const G4String &processName, const G4String &worldVolumeName, G4ProcessType theType=fParameterisation)
	G4FastSimulationManagerProcess (const G4String &processName, G4VPhysicalVolume *worldVolume, G4ProcessType theType=fParameterisation)
	~G4FastSimulationManagerProcess () override
G4VPhysicalVolume *	GetWorldVolume () const
void	SetWorldVolume (G4String)
void	SetWorldVolume (G4VPhysicalVolume *)
void	StartTracking (G4Track *) override
void	EndTracking () override
G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition) override
G4VParticleChange *	PostStepDoIt (const G4Track &, const G4Step &) override
G4double	AlongStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection) override
G4VParticleChange *	AlongStepDoIt (const G4Track &track, const G4Step &step) override
G4double	AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *) override
G4VParticleChange *	AtRestDoIt (const G4Track &, const G4Step &) override
void	Verbose () 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	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 75 of file G4FastSimulationManagerProcess.hh.

Constructor & Destructor Documentation

G4FastSimulationManagerProcess() [1/3]

G4FastSimulationManagerProcess::G4FastSimulationManagerProcess	(	const G4String &	processName = "G4FastSimulationManagerProcess",
		G4ProcessType	theType = fParameterisation )

Definition at line 51 of file G4FastSimulationManagerProcess.cc.

  : G4VProcess(processName, theType),
    fWorldVolume(nullptr),
    fIsTrackingTime(false),
    fIsFirstStep(false),
    fGhostNavigator(nullptr),
    fGhostNavigatorIndex(-1),
    fIsGhostGeometry(false),
    fGhostSafety(-1.0),
    fFieldTrack('0'),
    fFastSimulationManager(nullptr),
    fFastSimulationTrigger(false)
{
  // -- set Process Sub Type
  SetProcessSubType(static_cast<int>(FASTSIM_ManagerProcess));
 
  fPathFinder = G4PathFinder::GetInstance();
  fTransportationManager = G4TransportationManager::GetTransportationManager();
 
  SetWorldVolume(fTransportationManager->GetNavigatorForTracking()->GetWorldVolume()->GetName());
  if (verboseLevel > 0)
    G4cout << "G4FastSimulationManagerProcess `" << GetProcessName()
           << "' is created, and will message geometry with world volume `"
           << fWorldVolume->GetName() << "'." << G4endl;
  G4GlobalFastSimulationManager::GetGlobalFastSimulationManager()->AddFSMP(this);
}

G4FastSimulationManagerProcess() [2/3]

G4FastSimulationManagerProcess::G4FastSimulationManagerProcess	(	const G4String &	processName,
		const G4String &	worldVolumeName,
		G4ProcessType	theType = fParameterisation )

Definition at line 79 of file G4FastSimulationManagerProcess.cc.

  : G4VProcess(processName, theType),
    fWorldVolume(nullptr),
    fIsTrackingTime(false),
    fIsFirstStep(false),
    fGhostNavigator(nullptr),
    fGhostNavigatorIndex(-1),
    fIsGhostGeometry(false),
    fGhostSafety(-1.0),
    fFieldTrack('0'),
    fFastSimulationManager(nullptr),
    fFastSimulationTrigger(false)
{
  // -- set Process Sub Type
  SetProcessSubType(static_cast<int>(FASTSIM_ManagerProcess));
 
  fPathFinder = G4PathFinder::GetInstance();
  fTransportationManager = G4TransportationManager::GetTransportationManager();
 
  SetWorldVolume(worldVolumeName);
  if (verboseLevel > 0)
    G4cout << "G4FastSimulationManagerProcess `" << GetProcessName()
           << "' is created, and will message geometry with world volume `"
           << fWorldVolume->GetName() << "'." << G4endl;
  G4GlobalFastSimulationManager::GetGlobalFastSimulationManager()->AddFSMP(this);
}

G4FastSimulationManagerProcess() [3/3]

G4FastSimulationManagerProcess::G4FastSimulationManagerProcess	(	const G4String &	processName,
		G4VPhysicalVolume *	worldVolume,
		G4ProcessType	theType = fParameterisation )

Definition at line 108 of file G4FastSimulationManagerProcess.cc.

  : G4VProcess(processName, theType),
    fWorldVolume(nullptr),
    fIsTrackingTime(false),
    fIsFirstStep(false),
    fGhostNavigator(nullptr),
    fGhostNavigatorIndex(-1),
    fIsGhostGeometry(false),
    fGhostSafety(-1.0),
    fFieldTrack('0'),
    fFastSimulationManager(nullptr),
    fFastSimulationTrigger(false)
{
  // -- set Process Sub Type
  SetProcessSubType(static_cast<int>(FASTSIM_ManagerProcess));
 
  fPathFinder = G4PathFinder::GetInstance();
  fTransportationManager = G4TransportationManager::GetTransportationManager();
 
  SetWorldVolume(worldVolume);
  if (verboseLevel > 0)
    G4cout << "G4FastSimulationManagerProcess `" << GetProcessName()
           << "' is created, and will message geometry with world volume `"
           << fWorldVolume->GetName() << "'." << G4endl;
  G4GlobalFastSimulationManager::GetGlobalFastSimulationManager()->AddFSMP(this);
}

~G4FastSimulationManagerProcess()

G4FastSimulationManagerProcess::~G4FastSimulationManagerProcess ( )

override

Definition at line 137 of file G4FastSimulationManagerProcess.cc.

{
  G4GlobalFastSimulationManager::GetGlobalFastSimulationManager()->RemoveFSMP(this);
}

Member Function Documentation

AlongStepDoIt()

G4VParticleChange * G4FastSimulationManagerProcess::AlongStepDoIt ( const G4Track & track, const G4Step & step )

overridevirtual

Implements G4VProcess.

Definition at line 325 of file G4FastSimulationManagerProcess.cc.

{
  fDummyParticleChange.Initialize(track);
  return &fDummyParticleChange;
}

AlongStepGetPhysicalInteractionLength()

G4double G4FastSimulationManagerProcess::AlongStepGetPhysicalInteractionLength ( const G4Track & track, G4double previousStepSize, G4double currentMinimumStep, G4double & proposedSafety, G4GPILSelection * selection )

overridevirtual

Implements G4VProcess.

Definition at line 265 of file G4FastSimulationManagerProcess.cc.

{
  *selection = NotCandidateForSelection;
  G4double returnedStep = DBL_MAX;
 
  // ---------------------------------------------------
  // -- Below code valid for ghost geometry, otherwise
  // -- useless for fast simulation attached to mass
  // -- geometry. Warn user in case along used for
  // -- mass geometry ?
  // --------------------------------------------------
  if (fIsGhostGeometry) {
    static G4ThreadLocal G4FieldTrack* endTrack_G4MT_TLS_ = nullptr;
    if (endTrack_G4MT_TLS_ == nullptr) endTrack_G4MT_TLS_ = new G4FieldTrack('0');
    G4FieldTrack& endTrack = *endTrack_G4MT_TLS_;
 
    static G4ThreadLocal ELimited* eLimited_G4MT_TLS_ = nullptr;
    if (eLimited_G4MT_TLS_ == nullptr) eLimited_G4MT_TLS_ = new ELimited;
    ELimited& eLimited = *eLimited_G4MT_TLS_;
 
    if (previousStepSize > 0.) fGhostSafety -= previousStepSize;
    if (fGhostSafety < 0.) fGhostSafety = 0.0;
 
    // ------------------------------------------
    // Determination of the proposed step length:
    // ------------------------------------------
    if (currentMinimumStep <= fGhostSafety && currentMinimumStep > 0.) {
      // -- No chance to limit the step, as proposed move inside safety
      returnedStep = currentMinimumStep;
      proposedSafety = fGhostSafety - currentMinimumStep;
    }
    else {
      // -- Proposed move exceeds safety, need to state
      G4FieldTrackUpdator::Update(&fFieldTrack, &track);
      returnedStep = fPathFinder->ComputeStep(fFieldTrack, currentMinimumStep, fGhostNavigatorIndex,
                                              track.GetCurrentStepNumber(), fGhostSafety, eLimited,
                                              endTrack, track.GetVolume());
 
      if (eLimited == kDoNot)
        fGhostSafety =
          fGhostNavigator->ComputeSafety(endTrack.GetPosition());  // -- step no limited by ghost
      proposedSafety = fGhostSafety;
      if (eLimited == kUnique || eLimited == kSharedOther)
        *selection = CandidateForSelection;
      else if (eLimited == kSharedTransport)
        returnedStep *=
          (1.0 + 1.0e-9);  // -- Expand to disable its selection in Step Manager comparison
    }
  }
 
  // ----------------------------------------------
  // Returns the fGhostSafety as the proposedSafety
  // The SteppingManager will take care of keeping
  // the smallest one.
  // ----------------------------------------------
  return returnedStep;
}

AtRestDoIt()

G4VParticleChange * G4FastSimulationManagerProcess::AtRestDoIt ( const G4Track & , const G4Step &  )

overridevirtual

Implements G4VProcess.

Definition at line 366 of file G4FastSimulationManagerProcess.cc.

{
  return fFastSimulationManager->InvokeAtRestDoIt();
}

AtRestGetPhysicalInteractionLength()

G4double G4FastSimulationManagerProcess::AtRestGetPhysicalInteractionLength ( const G4Track & track, G4ForceCondition * condition )

overridevirtual

Implements G4VProcess.

Definition at line 338 of file G4FastSimulationManagerProcess.cc.

{
  const G4VPhysicalVolume* currentVolume(nullptr);
  if (fIsGhostGeometry)
    currentVolume = fPathFinder->GetLocatedVolume(fGhostNavigatorIndex);
  else
    currentVolume = track.GetVolume();
  fFastSimulationManager = currentVolume->GetLogicalVolume()->GetFastSimulationManager();
  if (fFastSimulationManager != nullptr) {
    // Ask for trigger:
    fFastSimulationTrigger =
      fFastSimulationManager->AtRestGetFastSimulationManagerTrigger(track, fGhostNavigator);
    if (fFastSimulationTrigger) {
      // Dirty trick to take control over stepping. Does anyone will ever use that ?
      *condition = NotForced;
      return -1.0;
    }
  }
 
  // -- no fast simulation occuring there:
  *condition = NotForced;
  return DBL_MAX;
}

EndTracking()

void G4FastSimulationManagerProcess::EndTracking ( )

overridevirtual

Reimplemented from G4VProcess.

Definition at line 209 of file G4FastSimulationManagerProcess.cc.

{
  fIsTrackingTime = false;
  if (fIsGhostGeometry) fTransportationManager->DeActivateNavigator(fGhostNavigator);
}

GetWorldVolume()

G4VPhysicalVolume * G4FastSimulationManagerProcess::GetWorldVolume ( ) const

inline

Definition at line 95 of file G4FastSimulationManagerProcess.hh.

{ return fWorldVolume; }

Referenced by G4FastSimulationPhysics::ConstructProcess().

PostStepDoIt()

G4VParticleChange * G4FastSimulationManagerProcess::PostStepDoIt ( const G4Track & , const G4Step &  )

overridevirtual

Implements G4VProcess.

Definition at line 255 of file G4FastSimulationManagerProcess.cc.

{
  G4VParticleChange* finalState = fFastSimulationManager->InvokePostStepDoIt();
 
  // If the particle is still alive, suspend it to force physics re-initialisation:
  if (finalState->GetTrackStatus() != fStopAndKill) finalState->ProposeTrackStatus(fSuspend);
 
  return finalState;
}

PostStepGetPhysicalInteractionLength()

G4double G4FastSimulationManagerProcess::PostStepGetPhysicalInteractionLength ( const G4Track & track, G4double previousStepSize, G4ForceCondition * condition )

overridevirtual

Implements G4VProcess.

Definition at line 219 of file G4FastSimulationManagerProcess.cc.

{
  // -- Get current volume, and check for presence of fast simulation manager.
  // -- For the case of the navigator for tracking (fGhostNavigatorIndex == 0)
  // -- we use the track volume. This allows the code to be valid for both
  // -- cases where the PathFinder is used (G4CoupledTranportation) or not
  // -- (G4Transportation).
  const G4VPhysicalVolume* currentVolume(nullptr);
  if (fIsGhostGeometry)
    currentVolume = fPathFinder->GetLocatedVolume(fGhostNavigatorIndex);
  else
    currentVolume = track.GetVolume();
 
  if (currentVolume != nullptr) {
    fFastSimulationManager = currentVolume->GetLogicalVolume()->GetFastSimulationManager();
    if (fFastSimulationManager != nullptr) {
      // Ask for trigger:
      fFastSimulationTrigger =
        fFastSimulationManager->PostStepGetFastSimulationManagerTrigger(track, fGhostNavigator);
      if (fFastSimulationTrigger) {
        // Take control over stepping:
        *condition = ExclusivelyForced;
        return 0.0;
      }
    }
  }
 
  // -- no fast simulation occuring there:
  *condition = NotForced;
  return DBL_MAX;
}

SetWorldVolume() [1/2]

void G4FastSimulationManagerProcess::SetWorldVolume

(

G4String

newWorldName

)

Definition at line 145 of file G4FastSimulationManagerProcess.cc.

{
  if (fIsTrackingTime) {
    G4ExceptionDescription ed;
    ed << "G4FastSimulationManagerProcess `" << GetProcessName()
       << "': changing of world volume at tracking time is not allowed." << G4endl;
    G4Exception("G4FastSimulationManagerProcess::SetWorldVolume(const G4String)", "FastSim002",
                JustWarning, ed, "Call ignored.");
  }
  else {
    G4VPhysicalVolume* newWorld = fTransportationManager->IsWorldExisting(newWorldName);
    if (newWorld == nullptr) {
      G4ExceptionDescription tellWhatIsWrong;
      tellWhatIsWrong << "Volume newWorldName = `" << newWorldName
                      << "' is not a parallel world nor the mass world volume." << G4endl;
      G4Exception("G4FastSimulationManagerProcess::SetWorldVolume(const G4String)", "FastSim003",
                  FatalException, tellWhatIsWrong);
    }
    if (verboseLevel > 0) {
      if (fWorldVolume != nullptr)
        G4cout << "G4FastSimulationManagerProcess `" << GetProcessName()
               << "': changing world volume from '" << fWorldVolume->GetName() << "' to `"
               << newWorld << "'." << G4endl;
      else
        G4cout << "G4FastSimulationManagerProcess `" << GetProcessName()
               << "': setting world volume from to `" << newWorld->GetName() << "'." << G4endl;
    }
    fWorldVolume = newWorld;
  }
}

Referenced by G4FastSimulationManagerProcess(), G4FastSimulationManagerProcess(), G4FastSimulationManagerProcess(), and SetWorldVolume().

SetWorldVolume() [2/2]

void G4FastSimulationManagerProcess::SetWorldVolume

(

G4VPhysicalVolume *

newWorld

)

Definition at line 176 of file G4FastSimulationManagerProcess.cc.

{
  if (newWorld != nullptr)
    SetWorldVolume(newWorld->GetName());
  else {
    G4ExceptionDescription tellWhatIsWrong;
    tellWhatIsWrong << "Null pointer passed for world volume." << G4endl;
    G4Exception("G4FastSimulationManagerProcess::SetWorldVolume(const G4VPhysicalVolume* newWorld)",
                "FastSim004", FatalException, tellWhatIsWrong);
  }
}

StartTracking()

void G4FastSimulationManagerProcess::StartTracking ( G4Track * track )

overridevirtual

Reimplemented from G4VProcess.

Definition at line 191 of file G4FastSimulationManagerProcess.cc.

{
  fIsTrackingTime = true;
  fIsFirstStep = true;
 
  // -- fetch the navigator (and its index) and activate it:
  G4TransportationManager* transportationManager =
    G4TransportationManager::GetTransportationManager();
  fGhostNavigator = transportationManager->GetNavigator(fWorldVolume);
  fIsGhostGeometry = (fGhostNavigator != transportationManager->GetNavigatorForTracking());
  if (fIsGhostGeometry)
    fGhostNavigatorIndex = transportationManager->ActivateNavigator(fGhostNavigator);
  else
    fGhostNavigatorIndex = -1;
 
  fPathFinder->PrepareNewTrack(track->GetPosition(), track->GetMomentumDirection());
}

Verbose()

void G4FastSimulationManagerProcess::Verbose ( ) const

inline

Definition at line 128 of file G4FastSimulationManagerProcess.hh.

: will be remove in next major release")]] void Verbose() const {}

---

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

• G4FastSimulationManagerProcess.hh
• G4FastSimulationManagerProcess.cc