G4CoupledTransportation Class Reference

#include <G4CoupledTransportation.hh>

Inheritance diagram for G4CoupledTransportation:

Public Member Functions
	G4CoupledTransportation (G4int verbosityLevel=0)
	~G4CoupledTransportation ()
G4double	AlongStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &currentSafety, G4GPILSelection *selection)
G4VParticleChange *	AlongStepDoIt (const G4Track &track, const G4Step &stepData)
G4VParticleChange *	PostStepDoIt (const G4Track &track, const G4Step &stepData)
G4double	PostStepGetPhysicalInteractionLength (const G4Track &, G4double previousStepSize, G4ForceCondition *pForceCond)
G4PropagatorInField *	GetPropagatorInField ()
void	SetPropagatorInField (G4PropagatorInField *pFieldPropagator)
G4double	GetThresholdWarningEnergy () const
G4double	GetThresholdImportantEnergy () const
G4int	GetThresholdTrials () const
void	SetThresholdWarningEnergy (G4double newEnWarn)
void	SetThresholdImportantEnergy (G4double newEnImp)
void	SetThresholdTrials (G4int newMaxTrials)
void	SetHighLooperThresholds ()
void	SetLowLooperThresholds ()
void	PushThresholdsToLogger ()
void	ReportLooperThresholds ()
G4double	GetMaxEnergyKilled () const
G4double	GetSumEnergyKilled () const
void	ResetKilledStatistics (G4int report=1)
G4bool	IsFirstStepInAnyVolume () const
G4bool	IsLastStepInAnyVolume () const
G4bool	IsFirstStepInMassVolume () const
G4bool	IsLastStepInMassVolume () const
void	StartTracking (G4Track *aTrack)
void	EndTracking ()
G4double	AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *)
G4VParticleChange *	AtRestDoIt (const G4Track &, const G4Step &)
void	PrintStatistics (std::ostream &outStr) 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
virtual G4VParticleChange *	PostStepDoIt (const G4Track &track, const G4Step &stepData)=0
virtual G4VParticleChange *	AlongStepDoIt (const G4Track &track, const G4Step &stepData)=0
virtual G4VParticleChange *	AtRestDoIt (const G4Track &track, const G4Step &stepData)=0
virtual G4double	AlongStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)=0
virtual G4double	AtRestGetPhysicalInteractionLength (const G4Track &track, G4ForceCondition *condition)=0
virtual G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)=0
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	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 &)

Static Public Member Functions
static G4bool	EnableMagneticMoment (G4bool useMoment=true)
static G4bool	EnableGravity (G4bool useGravity)
static void	SetSilenceLooperWarnings (G4bool val)
static G4bool	GetSilenceLooperWarnings ()
static void	SetSignifyStepsInAnyVolume (G4bool anyVol)
static G4bool	GetSignifyStepsInAnyVolume ()
static G4bool	EnableUseMagneticMoment (G4bool useMoment=true)
Static Public Member Functions inherited from G4VProcess
static const G4String &	GetProcessTypeName (G4ProcessType)

Protected Member Functions
G4bool	DoesAnyFieldExist ()
void	ReportInexactEnergy (G4double startEnergy, G4double endEnergy)
void	ReportMove (G4ThreeVector OldVector, G4ThreeVector NewVector, const G4String &Quantity)
void	ReportMissingLogger (const char *methodName)
Protected Member Functions inherited from G4VProcess
void	SubtractNumberOfInteractionLengthLeft (G4double prevStepSize)
void	ClearNumberOfInteractionLengthLeft ()

Friends
class	G4Transportation

Additional Inherited Members
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 65 of file G4CoupledTransportation.hh.

Constructor & Destructor Documentation

G4CoupledTransportation()

G4CoupledTransportation::G4CoupledTransportation

(

G4int

verbosityLevel = 0

)

Definition at line 62 of file G4CoupledTransportation.cc.

  : G4VProcess( G4String("CoupledTransportation"), fTransportation ),
    fTransportEndPosition(0.0, 0.0, 0.0),
    fTransportEndMomentumDir(0.0, 0.0, 0.0),
    fTransportEndKineticEnergy(0.0), 
    fTransportEndSpin(0.0, 0.0, 0.0),
    fMomentumChanged(false), 
    fEndGlobalTimeComputed(false),
    fCandidateEndGlobalTime(0.0),
    fParticleIsLooping( false ),
    fNewTrack( true ),
    fPreviousSftOrigin( 0.,0.,0. ),
    fPreviousMassSafety( 0.0 ),
    fPreviousFullSafety( 0.0 ),
    fMassGeometryLimitedStep( false ), 
    fAnyGeometryLimitedStep( false ), 
    fEndpointDistance( -1.0 ), 
    fSumEnergyKilled( 0.0 ), fMaxEnergyKilled( 0.0 ), 
    fFirstStepInMassVolume( true ),
    fFirstStepInAnyVolume( true )
{
  SetProcessSubType(static_cast<G4int>(COUPLED_TRANSPORTATION));
  SetVerboseLevel(verbosity);
 
  G4TransportationManager* transportMgr ; 
 
  transportMgr = G4TransportationManager::GetTransportationManager() ; 
 
  fMassNavigator = transportMgr->GetNavigatorForTracking() ; 
  fFieldPropagator = transportMgr->GetPropagatorInField() ;
  // fGlobalFieldMgr = transportMgr->GetFieldManager() ;
  fNavigatorId= transportMgr->ActivateNavigator( fMassNavigator ); 
  if( verboseLevel > 0 )
  {
    G4cout << " G4CoupledTransportation constructor: ----- " << G4endl;
    G4cout << " Verbose level is " << verboseLevel << G4endl;
    G4cout << " Navigator Id obtained in G4CoupledTransportation constructor " 
           << fNavigatorId << G4endl;
    G4cout << " Reports First/Last in " 
           << (fSignifyStepInAnyVolume ? " any " : " mass " )
           << " geometry " << G4endl;
  }
  fPathFinder=  G4PathFinder::GetInstance(); 
  fpSafetyHelper = transportMgr->GetSafetyHelper();  // New 
 
  fpLogger = new G4TransportationLogger("G4Transportation", verbosity);
 
  SetHighLooperThresholds();
  // Use the old defaults: Warning = 100 MeV, Important = 250 MeV, No Trials = 10;
  
  PushThresholdsToLogger();
  // Should be done by Set methods in SetHighLooperThresholds -- making sure
  
  static G4ThreadLocal G4TouchableHandle* pNullTouchableHandle = 0;
  if ( !pNullTouchableHandle)  { pNullTouchableHandle = new G4TouchableHandle; }
  fCurrentTouchableHandle = *pNullTouchableHandle;
    // Points to (G4VTouchable*) 0
 
  fAnyFieldExists= DoesAnyFieldExist();
}

~G4CoupledTransportation()

G4CoupledTransportation::~G4CoupledTransportation

(

)

Definition at line 125 of file G4CoupledTransportation.cc.

{
  if( fSumEnergyKilled > 0.0 )
  {
     PrintStatistics( G4cout );
  }
  delete fpLogger;
}

Member Function Documentation

AlongStepDoIt()

G4VParticleChange * G4CoupledTransportation::AlongStepDoIt ( const G4Track &  track, const G4Step &  stepData  )

virtual

Implements G4VProcess.

Definition at line 563 of file G4CoupledTransportation.cc.

{
  static G4ThreadLocal G4long noCallsCT_ASDI=0;
  const char *methodName= "AlongStepDoIt";
  
  noCallsCT_ASDI++;
 
  fParticleChange.Initialize(track) ;
    // sets all its members to the value of corresponding members in G4Track
 
  //  Code specific for Transport
  //
  fParticleChange.ProposePosition(fTransportEndPosition) ;
  fParticleChange.ProposeMomentumDirection(fTransportEndMomentumDir) ;
  fParticleChange.ProposeEnergy(fTransportEndKineticEnergy) ;
  fParticleChange.SetMomentumChanged(fMomentumChanged) ;
 
  fParticleChange.ProposePolarization(fTransportEndSpin);
  
  G4double deltaTime = 0.0 ;
 
  // Calculate  Lab Time of Flight (ONLY if field Equations used it!)
     // G4double endTime   = fCandidateEndGlobalTime;
     // G4double delta_time = endTime - startTime;
 
  G4double startTime = track.GetGlobalTime() ;
  
  if (!fEndGlobalTimeComputed)
  {
     G4double finalInverseVel= DBL_MAX, initialInverseVel=DBL_MAX; 
 
     // The time was not integrated .. make the best estimate possible
     //
     G4double finalVelocity   = track.GetVelocity() ;
     if( finalVelocity > 0.0 ) { finalInverseVel= 1.0 / finalVelocity; }
     G4double initialVelocity = stepData.GetPreStepPoint()->GetVelocity() ;
     if( initialVelocity > 0.0 ) { initialInverseVel= 1.0 / initialVelocity; }
     G4double stepLength      = track.GetStepLength() ;
 
     if (finalVelocity > 0.0)
     {
        // deltaTime = stepLength/finalVelocity ;
        G4double meanInverseVelocity = 0.5
                                     * (initialInverseVel + finalInverseVel);
        deltaTime = stepLength * meanInverseVelocity ;
     }
     else
     {
        deltaTime = stepLength * initialInverseVel ;
      }  //  Could do with better estimate for final step (finalVelocity = 0) ?
 
     fCandidateEndGlobalTime   = startTime + deltaTime ;
     fParticleChange.ProposeLocalTime(  track.GetLocalTime() + deltaTime) ;
  }
  else
  {
     deltaTime = fCandidateEndGlobalTime - startTime ;
     fParticleChange.ProposeGlobalTime( fCandidateEndGlobalTime ) ;
  }
 
  // Now Correct by Lorentz factor to get "proper" deltaTime
  
  G4double  restMass       = track.GetDynamicParticle()->GetMass() ;
  G4double deltaProperTime = deltaTime*( restMass/track.GetTotalEnergy() ) ;
 
  fParticleChange.ProposeProperTime(track.GetProperTime() + deltaProperTime) ;
  // fParticleChange. ProposeTrueStepLength( track.GetStepLength() ) ;
 
  // If the particle is caught looping or is stuck (in very difficult
  // boundaries) in a magnetic field (doing many steps) THEN this kills it ...
  //
  if ( fParticleIsLooping )
  {
     G4double endEnergy= fTransportEndKineticEnergy;
 
     const G4ParticleDefinition* particleType= 
         track.GetDynamicParticle() -> GetParticleDefinition();
     G4bool stable = particleType->GetPDGStable();
     
     G4bool candidateForEnd = (endEnergy < fThreshold_Important_Energy) 
                           || (fNoLooperTrials >= fThresholdTrials) ;
                                 
     if( candidateForEnd && stable )
     {
        const G4int electronPDG= 11; // G4Electron::G4Electron()->GetPDGEncoding();
        G4int particlePDG= particleType->GetPDGEncoding();
 
        // Kill the looping particle 
        //
        fParticleChange.ProposeTrackStatus( fStopAndKill )  ;
 
        // Simple statistics
        fSumEnergyKilled += endEnergy;
        fSumEnerSqKilled = endEnergy * endEnergy;
        fNumLoopersKilled++;
 
        if( endEnergy > fMaxEnergyKilled ) {
          fMaxEnergyKilled = endEnergy;
          fMaxEnergyKilledPDG = particlePDG; 
        }
        
        if(  particleType->GetPDGEncoding() != electronPDG )
        {
           fSumEnergyKilled_NonElectron += endEnergy;
           fSumEnerSqKilled_NonElectron += endEnergy * endEnergy;
           fNumLoopersKilled_NonElectron++;
           
           if( endEnergy > fMaxEnergyKilled_NonElectron )
           {
              fMaxEnergyKilled_NonElectron = endEnergy;
              fMaxEnergyKilled_NonElecPDG =  particlePDG;
           }
        }
 
        if( endEnergy > fThreshold_Warning_Energy && ! fSilenceLooperWarnings )           
        {
          fpLogger->ReportLoopingTrack( track, stepData, fNoLooperTrials,
                                        noCallsCT_ASDI, methodName );
        }
 
        fNoLooperTrials=0; 
      }
      else
      { 
        fNoLooperTrials ++;
 
        fMaxEnergySaved = std::max( endEnergy, fMaxEnergySaved);
        if( fNoLooperTrials == 1 ) {
          fSumEnergySaved += endEnergy;
          if ( !stable )
             fSumEnergyUnstableSaved += endEnergy;
        }
#ifdef G4VERBOSE
        if( verboseLevel > 2 && ! fSilenceLooperWarnings )           
        {
          G4cout << "  ** G4CoupledTransportation::AlongStepDoIt():"
                 << " Particle is looping but is saved ..."  << G4endl
                 << "   Number of trials (this track) = " << fNoLooperTrials
                 << G4endl
                 << "   Steps by this track: " << track.GetCurrentStepNumber()
                 << G4endl
                 << "   Total no of calls to this method (all tracks) = "
                 << noCallsCT_ASDI << G4endl;
        }
#endif
      }
  }
  else
  { 
      fNoLooperTrials=0; 
  }
 
  // Another (sometimes better way) is to use a user-limit maximum Step size
  // to alleviate this problem ..
  // Add smooth curved trajectories to particle-change
  //
  // fParticleChange.SetPointerToVectorOfAuxiliaryPoints
  //   (fFieldPropagator->GimmeTrajectoryVectorAndForgetIt() );
 
  return &fParticleChange ;
}

AlongStepGetPhysicalInteractionLength()

G4double G4CoupledTransportation::AlongStepGetPhysicalInteractionLength ( const G4Track &  track, G4double  previousStepSize, G4double  currentMinimumStep, G4double &  currentSafety, G4GPILSelection *  selection  )

virtual

Implements G4VProcess.

Definition at line 164 of file G4CoupledTransportation.cc.

{
  G4double geometryStepLength; 
  G4double startMassSafety= 0.0; // estimated safety for start point (mass geometry)
  G4double startFullSafety= 0.0; // estimated safety for start point (all geometries)
  G4double safetyProposal= -1.0; // local copy of proposal 
 
  G4ThreeVector  EndUnitMomentum ;
  G4double       lengthAlongCurve = 0.0 ;
 
  fParticleIsLooping = false ;
 
  // Initial actions moved to  StartTrack()   
  // --------------------------------------
  // Note: in case another process changes touchable handle
  //    it will be necessary to add here (for all steps)   
  // fCurrentTouchableHandle = aTrack->GetTouchableHandle();
 
  // GPILSelection is set to defaule value of CandidateForSelection
  // It is a return value
  //
  *selection = CandidateForSelection ;
 
  fFirstStepInMassVolume = fNewTrack | fMassGeometryLimitedStep ; 
  fFirstStepInAnyVolume =  fNewTrack | fAnyGeometryLimitedStep ;
 
#ifdef G4DEBUG_TRANSPORT
  G4cout << "  CoupledTransport::AlongStep GPIL:  "
         << "  1st-step:  any= "  <<fFirstStepInAnyVolume  << " ( geom= "
         << fAnyGeometryLimitedStep << " ) "
         <<           " mass= " << fFirstStepInMassVolume << " ( geom= "
         << fMassGeometryLimitedStep << " ) " 
         << "  newTrack= " << fNewTrack << G4endl;
#endif
  
  // fLastStepInVolume= false;
  fNewTrack = false;
 
  // Get initial Energy/Momentum of the track
  //
  const G4DynamicParticle*    pParticle  = track.GetDynamicParticle() ;
  const G4ParticleDefinition* pParticleDef   = pParticle->GetDefinition() ;
  G4ThreeVector startMomentumDir       = pParticle->GetMomentumDirection() ;
  G4ThreeVector startPosition          = track.GetPosition() ;
  G4VPhysicalVolume* currentVolume= track.GetVolume(); 
 
#ifdef G4DEBUG_TRANSPORT
  if( verboseLevel > 1 )
  {
    G4cout << "G4CoupledTransportation::AlongStepGPIL> called in volume " 
           << currentVolume->GetName() << G4endl; 
  }
#endif
  // G4double   theTime        = track.GetGlobalTime() ;
 
  // The Step Point safety can be limited by other geometries and/or the 
  // assumptions of any process - it's not always the geometrical safety.
  // We calculate the starting point's isotropic safety here.
  //
  G4ThreeVector OriginShift = startPosition - fPreviousSftOrigin ;
  G4double      MagSqShift  = OriginShift.mag2() ;
  startMassSafety = 0.0; 
  startFullSafety= 0.0; 
 
  // Recall that FullSafety <= MassSafety 
  // Original: if( MagSqShift < sqr(fPreviousMassSafety) ) {
  if( MagSqShift < sqr(fPreviousFullSafety) )
  {
     G4double mag_shift= std::sqrt(MagSqShift); 
     startMassSafety = std::max( (fPreviousMassSafety - mag_shift), 0.0); 
     startFullSafety = std::max( (fPreviousFullSafety - mag_shift), 0.0);
       // Need to be consistent between full safety with Mass safety
       // in order reproduce results in simple case
       // --> use same calculation method
 
     // Only compute full safety if massSafety > 0.  Else it remains 0
     // startFullSafety = fPathFinder->ComputeSafety( startPosition ); 
  }
 
  // Is the particle charged or has it a magnetic moment?
  //
  G4double particleCharge = pParticle->GetCharge() ;
  G4double magneticMoment = pParticle->GetMagneticMoment() ;
  G4double       restMass = pParticle->GetMass() ; 
 
  fMassGeometryLimitedStep = false ; //  Set default - alex
  fAnyGeometryLimitedStep = false; 
 
  // There is no need to locate the current volume. It is Done elsewhere:
  //   On track construction 
  //   By the tracking, after all AlongStepDoIts, in "Relocation"
 
  // Check if the particle has a force, EM or gravitational, exerted on it
  //
  G4FieldManager* fieldMgr= nullptr;
  G4bool          fieldExertsForce = false ;
 
  const G4Field* ptrField= nullptr;
 
  fieldMgr = fFieldPropagator->FindAndSetFieldManager( track.GetVolume() );
  G4bool eligibleEM = (particleCharge != 0.0)
                   || ( fUseMagneticMoment && (magneticMoment != 0.0) );
  G4bool eligibleGrav =  fUseGravity && (restMass != 0.0) ;
 
  if( (fieldMgr!=nullptr) && (eligibleEM||eligibleGrav) )
  {
     // Message the field Manager, to configure it for this track
     //
     fieldMgr->ConfigureForTrack( &track );
 
     // The above call can transition from a null field-ptr oto a finite field.
     // If the field manager has no field ptr, the field is zero 
     // by definition ( = there is no field ! )
     //
     ptrField= fieldMgr->GetDetectorField();
 
     if( ptrField != nullptr)
     { 
        fieldExertsForce = eligibleEM
              || ( eligibleGrav && ptrField->IsGravityActive() );
     }
  }
  G4double momentumMagnitude = pParticle->GetTotalMomentum() ;
 
  if( fieldExertsForce )
  {
     auto equationOfMotion= fFieldPropagator->GetCurrentEquationOfMotion();
 
     G4ChargeState chargeState(particleCharge, // Charge can change (dynamic)
                               magneticMoment,
                               pParticleDef->GetPDGSpin() );
     if( equationOfMotion )
     {
        equationOfMotion->SetChargeMomentumMass( chargeState,
                                                 momentumMagnitude,
                                                 restMass );
     }
#ifdef G4DEBUG_TRANSPORT
     else
     {
        G4cerr << " ERROR in G4CoupledTransportation> "
               << "Cannot find valid Equation of motion: "      << G4endl;
               << " Unable to pass Charge, Momentum and Mass "  << G4endl;
     }
#endif     
  }
 
  G4ThreeVector polarizationVec  = track.GetPolarization() ;
  G4FieldTrack  aFieldTrack = G4FieldTrack(startPosition, 
                                           track.GetGlobalTime(), // Lab.
                                           track.GetMomentumDirection(),
                                           track.GetKineticEnergy(),
                                           restMass,
                                           particleCharge, 
                                           polarizationVec, 
                                           pParticleDef->GetPDGMagneticMoment(),
                                           0.0,  // Length along track
                                           pParticleDef->GetPDGSpin() ) ;
  G4int stepNo= track.GetCurrentStepNumber(); 
 
  ELimited limitedStep; 
  G4FieldTrack endTrackState('a');  //  Default values
 
  fMassGeometryLimitedStep = false ;    //  default 
  fAnyGeometryLimitedStep  = false ;
  if( currentMinimumStep > 0 )
  {
      G4double newMassSafety= 0.0;     //  temp. for recalculation
 
      // Do the Transport in the field (non recti-linear)
      //
      lengthAlongCurve = fPathFinder->ComputeStep( aFieldTrack,
                                                   currentMinimumStep, 
                                                   fNavigatorId,
                                                   stepNo,
                                                   newMassSafety,
                                                   limitedStep,
                                                   endTrackState,
                                                   currentVolume ) ;
 
      G4double newFullSafety= fPathFinder->GetCurrentSafety();  
        // this was estimated already in step above
 
      if( limitedStep == kUnique || limitedStep == kSharedTransport )
      {
        fMassGeometryLimitedStep = true ;
      }
      
      fAnyGeometryLimitedStep = (fPathFinder->GetNumberGeometriesLimitingStep() != 0);
 
#ifdef G4DEBUG_TRANSPORT
      if( fMassGeometryLimitedStep && !fAnyGeometryLimitedStep )
      {
        std::ostringstream message;
        message << " ERROR in determining geometries limiting the step" << G4endl;
        message << "  Limiting:  mass=" << fMassGeometryLimitedStep
                << " any= " << fAnyGeometryLimitedStep << G4endl;
        message << "Incompatible conditions - by which geometries was it limited ?";
        G4Exception("G4CoupledTransportation::AlongStepGetPhysicalInteractionLength()", 
                    "PathFinderConfused", FatalException, message); 
      }
#endif
 
      geometryStepLength = std::min( lengthAlongCurve, currentMinimumStep); 
 
      // Momentum:  Magnitude and direction can be changed too now ...
      //
      fMomentumChanged         = true ; 
      fTransportEndMomentumDir = endTrackState.GetMomentumDir() ;
 
      // Remember last safety origin & value.
      fPreviousSftOrigin  = startPosition ;
      fPreviousMassSafety = newMassSafety ;         
      fPreviousFullSafety = newFullSafety ; 
      // fpSafetyHelper->SetCurrentSafety( newFullSafety, startPosition);
 
#ifdef G4DEBUG_TRANSPORT
      if( verboseLevel > 1 )
      {
        G4cout << "G4Transport:CompStep> " 
               << " called the pathfinder for a new step at " << startPosition
               << " and obtained step = " << lengthAlongCurve << G4endl;
        G4cout << "  New safety (preStep) = " << newMassSafety 
               << " versus precalculated = "  << startMassSafety << G4endl; 
      }
#endif
 
      // Store as best estimate value
      startMassSafety    = newMassSafety ; 
      startFullSafety    = newFullSafety ; 
 
      // Get the End-Position and End-Momentum (Dir-ection)
      fTransportEndPosition = endTrackState.GetPosition() ;
      fTransportEndKineticEnergy  = endTrackState.GetKineticEnergy() ; 
  }
  else
  {
      geometryStepLength   = lengthAlongCurve= 0.0 ;
      fMomentumChanged         = false ; 
      // fMassGeometryLimitedStep = false ;   //  --- ???
      // fAnyGeometryLimitedStep = true;
      fTransportEndMomentumDir = track.GetMomentumDirection();
      fTransportEndKineticEnergy  = track.GetKineticEnergy();
 
      fTransportEndPosition = startPosition;
 
      endTrackState= aFieldTrack;  // Ensures that time is updated
 
      // If the step length requested is 0, and we are on a boundary
      //   then a boundary will also limit the step.
      if( startMassSafety == 0.0 )
      {
         fMassGeometryLimitedStep = true ;
         fAnyGeometryLimitedStep = true;
      }
      //   TODO:  Add explicit logical status for being at a boundary
  }
  // G4FieldTrack aTrackState(endTrackState);  
 
  if( !fieldExertsForce ) 
  { 
      fParticleIsLooping         = false ; 
      fMomentumChanged           = false ; 
      fEndGlobalTimeComputed     = false ; 
  } 
  else 
  { 
      fParticleIsLooping = fFieldPropagator->IsParticleLooping() ;
  
#ifdef G4DEBUG_TRANSPORT
      if( verboseLevel > 1 )
      {
        G4cout << " G4CT::CS End Position = "
               << fTransportEndPosition << G4endl; 
        G4cout << " G4CT::CS End Direction = "
               << fTransportEndMomentumDir << G4endl; 
      }
#endif
      if( fFieldPropagator->GetCurrentFieldManager()->DoesFieldChangeEnergy() )
      {
          // If the field can change energy, then the time must be integrated
          //    - so this should have been updated
          //
          fCandidateEndGlobalTime   = endTrackState.GetLabTimeOfFlight();
          fEndGlobalTimeComputed    = true;
  
          // was ( fCandidateEndGlobalTime != track.GetGlobalTime() );
          // a cleaner way is to have FieldTrack knowing whether time
          // is updated
      }
      else
      {
          // The energy should be unchanged by field transport,
          //    - so the time changed will be calculated elsewhere
          //
          fEndGlobalTimeComputed = false;
  
          // Check that the integration preserved the energy 
          //     -  and if not correct this!
          G4double  startEnergy= track.GetKineticEnergy();
          G4double  endEnergy= fTransportEndKineticEnergy; 
      
          static G4ThreadLocal G4int no_inexact_steps=0; // , no_large_ediff;
          G4double absEdiff = std::fabs(startEnergy- endEnergy);
          if( absEdiff > perMillion * endEnergy )
          {
            no_inexact_steps++;
            // Possible statistics keeping here ...
          }
#ifdef G4VERBOSE
          if( (verboseLevel > 1) && ( absEdiff > perThousand * endEnergy) )
          {
            ReportInexactEnergy(startEnergy, endEnergy); 
          }  // end of if (verboseLevel)
#endif
          // Correct the energy for fields that conserve it
          //  This - hides the integration error
          //       - but gives a better physical answer
          fTransportEndKineticEnergy= track.GetKineticEnergy();
      }
  }
 
  fEndpointDistance   = (fTransportEndPosition - startPosition).mag() ;
  fTransportEndSpin = endTrackState.GetSpin();
 
  // Calculate the safety
 
  safetyProposal= startFullSafety;   // used to be startMassSafety
    // Changed to accomodate processes that cannot update the safety
 
  // Update safety for the end-point, if becomes negative at the end-point.
 
  if(   (startFullSafety < fEndpointDistance ) 
        && ( particleCharge != 0.0 ) )  // Only needed to prepare for MSC
   //   && !fAnyGeometryLimitedStep ) // To-Try: No safety update if at boundary
  {
      G4double endFullSafety =
        fPathFinder->ComputeSafety( fTransportEndPosition); 
        // Expected mission -- only mass geometry's safety
        //   fMassNavigator->ComputeSafety( fTransportEndPosition) ;
        // Yet discrete processes only have poststep -- and this cannot 
        //   currently revise the safety  
        //   ==> so we use the all-geometry safety as a precaution
 
      fpSafetyHelper->SetCurrentSafety( endFullSafety, fTransportEndPosition);
        // Pushing safety to Helper avoids recalculation at this point
 
      G4ThreeVector centerPt= G4ThreeVector(0.0, 0.0, 0.0);  // Used for return value
      G4double endMassSafety= fPathFinder->ObtainSafety( fNavigatorId, centerPt); 
        //  Retrieves the mass value from PathFinder (it calculated it)
 
      fPreviousMassSafety = endMassSafety ; 
      fPreviousFullSafety = endFullSafety; 
      fPreviousSftOrigin = fTransportEndPosition ;
 
      // The convention (Stepping Manager's) is safety from the start point
      //
      safetyProposal = endFullSafety + fEndpointDistance;
          //  --> was endMassSafety
      // Changed to accomodate processes that cannot update the safety
 
#ifdef G4DEBUG_TRANSPORT 
      G4int prec= G4cout.precision(12) ;
      G4cout << "***CoupledTransportation::AlongStepGPIL ** " << G4endl  ;
      G4cout << "  Revised Safety at endpoint "  << fTransportEndPosition
             << "   give safety values: Mass= " << endMassSafety 
             << "  All= " << endFullSafety << G4endl ; 
      G4cout << "  Adding endpoint distance " << fEndpointDistance 
             << "   to obtain pseudo-safety= " << safetyProposal << G4endl ; 
      G4cout.precision(prec); 
  }  
  else
  {
      G4int prec= G4cout.precision(12) ;
      G4cout << "***CoupledTransportation::AlongStepGPIL ** " << G4endl  ;
      G4cout << "  Quick Safety estimate at endpoint "
             << fTransportEndPosition
             << "   gives safety endpoint value = "
             << startFullSafety - fEndpointDistance
             << "  using start-point value " << startFullSafety 
             << "  and endpointDistance " << fEndpointDistance << G4endl; 
      G4cout.precision(prec); 
#endif
  }          
 
  proposedSafetyForStart= safetyProposal; 
  fParticleChange.ProposeTrueStepLength(geometryStepLength) ;
 
  return geometryStepLength ;
}

AtRestDoIt()

G4VParticleChange * G4CoupledTransportation::AtRestDoIt ( const G4Track &  , const G4Step &    )

inlinevirtual

Implements G4VProcess.

Definition at line 167 of file G4CoupledTransportation.hh.

       { return 0; }      // No operation in AtRestDoIt

AtRestGetPhysicalInteractionLength()

G4double G4CoupledTransportation::AtRestGetPhysicalInteractionLength ( const G4Track &  , G4ForceCondition *    )

inlinevirtual

Implements G4VProcess.

Definition at line 163 of file G4CoupledTransportation.hh.

       { return -1.0; }   // No operation in AtRestGPIL

DoesAnyFieldExist()

G4bool G4CoupledTransportation::DoesAnyFieldExist ( )

protected

Referenced by G4CoupledTransportation(), and StartTracking().

EnableGravity()

G4bool G4CoupledTransportation::EnableGravity ( G4bool  useGravity )

static

Definition at line 1076 of file G4CoupledTransportation.cc.

{
  G4bool lastValue= fUseGravity;
  fUseGravity= useGravity;
  G4Transportation::fUseGravity= useGravity;
  return lastValue;
}

EnableMagneticMoment()

G4bool G4CoupledTransportation::EnableMagneticMoment ( G4bool  useMoment = true )

static

Definition at line 1065 of file G4CoupledTransportation.cc.

{
  G4bool lastValue= fUseMagneticMoment;
  fUseMagneticMoment= useMoment;
  G4Transportation::fUseMagneticMoment= useMoment;
  return lastValue;
}

Referenced by EnableUseMagneticMoment().

EnableUseMagneticMoment()

static G4bool G4CoupledTransportation::EnableUseMagneticMoment ( G4bool  useMoment = true )

inlinestatic

Definition at line 159 of file G4CoupledTransportation.hh.

      { return EnableMagneticMoment(useMoment); }

EndTracking()

void G4CoupledTransportation::EndTracking ( )

virtual

Reimplemented from G4VProcess.

Definition at line 1006 of file G4CoupledTransportation.cc.

{
  G4TransportationManager::GetTransportationManager()->InactivateAll();
  fPathFinder->EndTrack(); 
    // Resets TransportationManager to use ordinary Navigator
}

GetMaxEnergyKilled()

G4double G4CoupledTransportation::GetMaxEnergyKilled ( ) const

inline

GetPropagatorInField()

G4PropagatorInField * G4CoupledTransportation::GetPropagatorInField

(

)

GetSignifyStepsInAnyVolume()

static G4bool G4CoupledTransportation::GetSignifyStepsInAnyVolume ( )

inlinestatic

Definition at line 140 of file G4CoupledTransportation.hh.

       { return fSignifyStepInAnyVolume; }

GetSilenceLooperWarnings()

G4bool G4CoupledTransportation::GetSilenceLooperWarnings ( )

static

Definition at line 1096 of file G4CoupledTransportation.cc.

{
  return fSilenceLooperWarnings; 
}

GetSumEnergyKilled()

G4double G4CoupledTransportation::GetSumEnergyKilled ( ) const

inline

GetThresholdImportantEnergy()

G4double G4CoupledTransportation::GetThresholdImportantEnergy ( ) const

inline

GetThresholdTrials()

G4int G4CoupledTransportation::GetThresholdTrials ( ) const

inline

GetThresholdWarningEnergy()

G4double G4CoupledTransportation::GetThresholdWarningEnergy ( ) const

inline

IsFirstStepInAnyVolume()

G4bool G4CoupledTransportation::IsFirstStepInAnyVolume ( ) const

inline

Definition at line 149 of file G4CoupledTransportation.hh.

{ return fFirstStepInAnyVolume; }

IsFirstStepInMassVolume()

G4bool G4CoupledTransportation::IsFirstStepInMassVolume ( ) const

inline

Definition at line 151 of file G4CoupledTransportation.hh.

{ return fFirstStepInMassVolume; }

IsLastStepInAnyVolume()

G4bool G4CoupledTransportation::IsLastStepInAnyVolume ( ) const

inline

Definition at line 150 of file G4CoupledTransportation.hh.

{ return fAnyGeometryLimitedStep; } 

IsLastStepInMassVolume()

G4bool G4CoupledTransportation::IsLastStepInMassVolume ( ) const

inline

Definition at line 152 of file G4CoupledTransportation.hh.

{ return fMassGeometryLimitedStep; } 

PostStepDoIt()

G4VParticleChange * G4CoupledTransportation::PostStepDoIt ( const G4Track &  track, const G4Step &  stepData  )

virtual

Implements G4VProcess.

Definition at line 764 of file G4CoupledTransportation.cc.

{
  G4TouchableHandle retCurrentTouchable ;   // The one to return
 
  // Initialize ParticleChange  (by setting all its members equal
  //                             to corresponding members in G4Track)
  // fParticleChange.Initialize(track) ;  // To initialise TouchableChange
 
  fParticleChange.ProposeTrackStatus(track.GetTrackStatus()) ;
 
  if( fSignifyStepInAnyVolume )
  {
     fParticleChange.ProposeFirstStepInVolume( fFirstStepInAnyVolume );
  }
  else
  {
     fParticleChange.ProposeFirstStepInVolume( fFirstStepInMassVolume );
  }
  
  // Check that the end position and direction are preserved 
  // since call to AlongStepDoIt
 
#ifdef G4DEBUG_TRANSPORT
  if( ( verboseLevel > 0 )
     && ((fTransportEndPosition - track.GetPosition()).mag2() >= 1.0e-16) )
  {
     ReportMove( track.GetPosition(), fTransportEndPosition,
                 "End of Step Position" ); 
     G4cerr << " Problem in G4CoupledTransportation::PostStepDoIt " << G4endl; 
  }
 
  // If the Step was determined by the volume boundary, relocate the particle
  // The pathFinder will know that the geometry limited the step (!?)
 
  if( verboseLevel > 0 )
  {
     G4cout << " Calling PathFinder::Locate() from " 
            << " G4CoupledTransportation::PostStepDoIt " << G4endl;
     G4cout << "  fAnyGeometryLimitedStep is " << fAnyGeometryLimitedStep
            << G4endl;
 
  }
#endif
 
  if(fAnyGeometryLimitedStep)
  {  
    fPathFinder->Locate( track.GetPosition(), 
                         track.GetMomentumDirection(),
                         true); 
 
    // fCurrentTouchable will now become the previous touchable, 
    // and what was the previous will be freed.
    // (Needed because the preStepPoint can point to the previous touchable)
 
    fCurrentTouchableHandle= 
      fPathFinder->CreateTouchableHandle( fNavigatorId );
 
#ifdef G4DEBUG_TRANSPORT
    if( verboseLevel > 0 )
    {
      G4cout << "G4CoupledTransportation::PostStepDoIt --- fNavigatorId = " 
             << fNavigatorId << G4endl;
    }
    if( verboseLevel > 1 )
    {
       G4VPhysicalVolume* vol= fCurrentTouchableHandle->GetVolume(); 
       G4cout << "CHECK !!!!!!!!!!! fCurrentTouchableHandle->GetVolume() = "
              << vol;
       if( vol ) { G4cout << "Name=" << vol->GetName(); }
       G4cout << G4endl;
    }
#endif
 
    // Check whether the particle is out of the world volume 
    // If so it has exited and must be killed.
    //
    if( fCurrentTouchableHandle->GetVolume() == 0 )
    {
       fParticleChange.ProposeTrackStatus( fStopAndKill ) ;
    }
    retCurrentTouchable = fCurrentTouchableHandle ;
    // fParticleChange.SetTouchableHandle( fCurrentTouchableHandle ) ;
  }
  else                 // fAnyGeometryLimitedStep  is false
  { 
#ifdef G4DEBUG_TRANSPORT
    if( verboseLevel > 1 )
    {
       G4cout << "G4CoupledTransportation::PostStepDoIt -- "
              << " fAnyGeometryLimitedStep  = " << fAnyGeometryLimitedStep  
              << " must be false " << G4endl;
    }
#endif
    // This serves only to move each of the Navigator's location
    //
    // fLinearNavigator->LocateGlobalPointWithinVolume( track.GetPosition() ) ;
 
    fPathFinder->ReLocate( track.GetPosition() );
                           // track.GetMomentumDirection() ); 
 
    // Keep the value of the track's current Touchable is retained,
    //  and use it to overwrite the (unset) one in particle change.
    // Expect this must be fCurrentTouchable too
    //   - could it be different, eg at the start of a step ?
    //
    retCurrentTouchable = track.GetTouchableHandle() ;
    // fParticleChange.SetTouchableHandle( track.GetTouchableHandle() ) ;
  }         // endif ( fAnyGeometryLimitedStep ) 
 
#ifdef G4DEBUG_NAVIGATION  
  G4cout << "  CoupledTransport::AlongStep GPIL:  "
         << " last-step:  any= "  << fAnyGeometryLimitedStep
         << " . ..... x . " 
         <<            " mass= " <<  fMassGeometryLimitedStep
         << G4endl;
#endif
  
  if( fSignifyStepInAnyVolume )
     fParticleChange.ProposeLastStepInVolume(fAnyGeometryLimitedStep);
  else
     fParticleChange.ProposeLastStepInVolume(fMassGeometryLimitedStep);
  
  const G4VPhysicalVolume* pNewVol = retCurrentTouchable->GetVolume() ;
  const G4Material* pNewMaterial   = 0 ;
  const G4VSensitiveDetector* pNewSensitiveDetector   = 0 ;
                                                                                       
  if( pNewVol != 0 )
  {
    pNewMaterial= pNewVol->GetLogicalVolume()->GetMaterial();
    pNewSensitiveDetector= pNewVol->GetLogicalVolume()->GetSensitiveDetector();
  }
 
  // ( const_cast<G4Material *> pNewMaterial ) ;
  // ( const_cast<G4VSensitiveDetetor *> pNewSensitiveDetector) ;
 
  fParticleChange.SetMaterialInTouchable( (G4Material *) pNewMaterial ) ;
  fParticleChange.SetSensitiveDetectorInTouchable( (G4VSensitiveDetector *) pNewSensitiveDetector ) ;
    // "temporarily" until Get/Set Material of ParticleChange, 
    // and StepPoint can be made const. 
 
  const G4MaterialCutsCouple* pNewMaterialCutsCouple = 0;
  if( pNewVol != 0 )
  {
    pNewMaterialCutsCouple=pNewVol->GetLogicalVolume()->GetMaterialCutsCouple();
    if( pNewMaterialCutsCouple!=0 
        && pNewMaterialCutsCouple->GetMaterial()!=pNewMaterial )
      {
        // for parametrized volume
        //
        pNewMaterialCutsCouple = G4ProductionCutsTable::GetProductionCutsTable()
          ->GetMaterialCutsCouple(pNewMaterial,
                                  pNewMaterialCutsCouple->GetProductionCuts());
      }
  }
  fParticleChange.SetMaterialCutsCoupleInTouchable( pNewMaterialCutsCouple );
 
  // Must always set the touchable in ParticleChange, whether relocated or not
  //
  fParticleChange.SetTouchableHandle(retCurrentTouchable) ;
 
  return &fParticleChange ;
}

PostStepGetPhysicalInteractionLength()

G4double G4CoupledTransportation::PostStepGetPhysicalInteractionLength ( const G4Track &  , G4double  previousStepSize, G4ForceCondition *  pForceCond  )

virtual

Implements G4VProcess.

Definition at line 732 of file G4CoupledTransportation.cc.

{ 
  // Must act as PostStep action -- to relocate particle
  *pForceCond = Forced ;    
  return DBL_MAX ;
}

PrintStatistics()

void G4CoupledTransportation::PrintStatistics

(

std::ostream &

outStr

)

const

Definition at line 137 of file G4CoupledTransportation.cc.

{ 
  if( fSumEnergyKilled > 0.0 )
  { 
    outStr << " G4CoupledTransportation: Statistics for looping particles "
           << G4endl;
    outStr << "   Sum of energy of loopers killed: "
           <<  fSumEnergyKilled / MeV << " MeV " << G4endl;
    outStr << "   Max energy of loopers killed: "
           <<  fMaxEnergyKilled / MeV << " MeV " << G4endl;
 
 
    outStr << "   Max energy of loopers 'saved':  " << fMaxEnergySaved << G4endl;
    outStr << "   Sum of energy of loopers 'saved': "
           <<  fSumEnergySaved << G4endl;
    outStr << "   Sum of energy of unstable loopers 'saved': "
           << fSumEnergyUnstableSaved << G4endl;
  } 
}

Referenced by ~G4CoupledTransportation().

PushThresholdsToLogger()

void G4CoupledTransportation::PushThresholdsToLogger

(

)

Referenced by G4CoupledTransportation(), and ReportLooperThresholds().

ReportInexactEnergy()

void G4CoupledTransportation::ReportInexactEnergy ( G4double  startEnergy, G4double  endEnergy  )

protected

Definition at line 1016 of file G4CoupledTransportation.cc.

{
  static G4ThreadLocal G4int no_warnings= 0, warnModulo=1,
                             moduloFactor= 10, no_large_ediff= 0; 
 
  if( std::fabs(startEnergy- endEnergy) > perThousand * endEnergy )
  {
    no_large_ediff ++;
    if( (no_large_ediff% warnModulo) == 0 )
    {
      no_warnings++;
      std::ostringstream message;
      message << "Energy change in Step is above 1^-3 relative value. "
              << G4endl
              << "   Relative change in 'tracking' step = " 
              << std::setw(15) << (endEnergy-startEnergy)/startEnergy
              << G4endl
              << "   Starting E= " << std::setw(12) << startEnergy / MeV
              << " MeV " << G4endl
              << "   Ending   E= " << std::setw(12) << endEnergy   / MeV
              << " MeV " << G4endl
              << "Energy has been corrected -- however, review"
              << " field propagation parameters for accuracy." << G4endl;
      if ( (verboseLevel > 2 ) || (no_warnings<4)
        || (no_large_ediff == warnModulo * moduloFactor) )
      {
        message << "These include EpsilonStepMax(/Min) in G4FieldManager,"
                << G4endl
                << "which determine fractional error per step for integrated quantities."
                << G4endl
                << "Note also the influence of the permitted number of integration steps."
                << G4endl;
      }
      message << "Bad 'endpoint'. Energy change detected and corrected."
              << G4endl
              << "Has occurred already " << no_large_ediff << " times.";
      G4Exception("G4CoupledTransportation::AlongStepGetPIL()", 
                  "EnergyChange", JustWarning, message);
      if( no_large_ediff == warnModulo * moduloFactor )
      {
        warnModulo *= moduloFactor;
      }
    }
  }
}

Referenced by AlongStepGetPhysicalInteractionLength().

ReportLooperThresholds()

void G4CoupledTransportation::ReportLooperThresholds

(

)

Definition at line 1144 of file G4CoupledTransportation.cc.

{
   PushThresholdsToLogger();  // To be absolutely certain they are in sync
   fpLogger->ReportLooperThresholds("G4CoupledTransportation");
}

Referenced by ReportMissingLogger(), SetHighLooperThresholds(), and SetLowLooperThresholds().

ReportMissingLogger()

void G4CoupledTransportation::ReportMissingLogger ( const char *  methodName )

protected

Definition at line 1132 of file G4CoupledTransportation.cc.

{
   const char* message= "Logger object missing from G4CoupledTransportation";
   G4String classAndMethod= G4String("G4CoupledTransportation") + G4String( methodName );
   G4Exception(classAndMethod, "Missing Logger", JustWarning, message);
 
   if( verboseLevel )  ReportLooperThresholds();  
}

ReportMove()

void G4CoupledTransportation::ReportMove ( G4ThreeVector  OldVector, G4ThreeVector  NewVector, const G4String &  Quantity  )

protected

Definition at line 744 of file G4CoupledTransportation.cc.

{
    G4ThreeVector moveVec = ( NewVector - OldVector );
 
    G4cerr << G4endl
           << "**************************************************************"
           << G4endl;
    G4cerr << "Endpoint has moved between value expected from TransportEndPosition "
           << " and value from Track in PostStepDoIt. " << G4endl
           << "Change of " << Quantity << " is " << moveVec.mag() / mm
           << " mm long, "
           << " and its vector is " << (1.0/mm) * moveVec << " mm " << G4endl
           << "Endpoint of ComputeStep was " << OldVector
           << " and current position to locate is " << NewVector << G4endl;
}

Referenced by PostStepDoIt().

ResetKilledStatistics()

void G4CoupledTransportation::ResetKilledStatistics ( G4int  report = 1 )

inline

SetHighLooperThresholds()

void G4CoupledTransportation::SetHighLooperThresholds

(

)

Definition at line 1103 of file G4CoupledTransportation.cc.

{
  // Setting old 'high' values for thresholds - old values, potentially appropriate
  //   for the energy frontier HEP experiments
  SetThresholdWarningEnergy(    100.0 * CLHEP::MeV );  //  Warn above this energy
  SetThresholdImportantEnergy(  250.0 * CLHEP::MeV );  //  Give a few trial above this E); 
 
  G4int maxTrials = 10;
  SetThresholdTrials( maxTrials );
 
  if( verboseLevel )  ReportLooperThresholds();
}

Referenced by G4CoupledTransportation().

SetLowLooperThresholds()

void G4CoupledTransportation::SetLowLooperThresholds

(

)

Definition at line 1117 of file G4CoupledTransportation.cc.

{
  // These values were the default in Geant4 10.5 - beta
  SetThresholdWarningEnergy(     1.0 * CLHEP::keV ); // Warn above this En
  SetThresholdImportantEnergy(   1.0 * CLHEP::MeV ); // Extra trials above it
 
  G4int maxTrials = 30; //  A new value - was 10
  SetThresholdTrials( maxTrials );
  
  if( verboseLevel )  ReportLooperThresholds();  
}

SetPropagatorInField()

void G4CoupledTransportation::SetPropagatorInField

(

G4PropagatorInField *

pFieldPropagator

)

SetSignifyStepsInAnyVolume()

static void G4CoupledTransportation::SetSignifyStepsInAnyVolume ( G4bool  anyVol )

inlinestatic

Definition at line 138 of file G4CoupledTransportation.hh.

       { fSignifyStepInAnyVolume = anyVol; } 

SetSilenceLooperWarnings()

void G4CoupledTransportation::SetSilenceLooperWarnings ( G4bool  val )

static

Definition at line 1088 of file G4CoupledTransportation.cc.

{
  fSilenceLooperWarnings= val;  // Flag to *Supress* all 'looper' warnings  
  // G4CoupledTransportation::fSilenceLooperWarnings= val;
}

SetThresholdImportantEnergy()

void G4CoupledTransportation::SetThresholdImportantEnergy ( G4double  newEnImp )

inline

Referenced by SetHighLooperThresholds(), and SetLowLooperThresholds().

SetThresholdTrials()

void G4CoupledTransportation::SetThresholdTrials ( G4int  newMaxTrials )

inline

Referenced by SetHighLooperThresholds(), and SetLowLooperThresholds().

SetThresholdWarningEnergy()

void G4CoupledTransportation::SetThresholdWarningEnergy ( G4double  newEnWarn )

inline

Referenced by SetHighLooperThresholds(), and SetLowLooperThresholds().

StartTracking()

void G4CoupledTransportation::StartTracking ( G4Track *  aTrack )

virtual

Reimplemented from G4VProcess.

Definition at line 935 of file G4CoupledTransportation.cc.

{
 
  G4TransportationManager* transportMgr =
    G4TransportationManager::GetTransportationManager();
 
  // G4VProcess::StartTracking(aTrack);
  fNewTrack= true;
  
  //  The 'initialising' actions
  //     once taken in AlongStepGPIL -- if ( track.GetCurrentStepNumber()==1 )
 
  // fStartedNewTrack= true; 
 
  fMassNavigator = transportMgr->GetNavigatorForTracking() ; 
  fNavigatorId= transportMgr->ActivateNavigator( fMassNavigator );
 
  G4ThreeVector position = aTrack->GetPosition(); 
  G4ThreeVector direction = aTrack->GetMomentumDirection();
 
  fPathFinder->PrepareNewTrack( position, direction); 
  // This implies a call to fPathFinder->Locate( position, direction ); 
 
  // Whether field exists should be determined at run level -- TODO
  fAnyFieldExists= DoesAnyFieldExist(); 
 
  // reset safety value and center
  //
  fPreviousMassSafety  = 0.0 ; 
  fPreviousFullSafety  = 0.0 ; 
  fPreviousSftOrigin = G4ThreeVector(0.,0.,0.) ;
  
  // reset looping counter -- for motion in field  
  fNoLooperTrials= 0; 
 
  // Must clear this state .. else it depends on last track's value
  //  --> a better solution would set this from state of suspended track TODO ? 
  // Was if( aTrack->GetCurrentStepNumber()==1 ) { .. }
 
  // ChordFinder reset internal state
  //
  if( fFieldPropagator && fAnyFieldExists )
  {
     fFieldPropagator->ClearPropagatorState();   
       // Resets safety values, in case of overlaps.  
 
     G4ChordFinder* chordF= fFieldPropagator->GetChordFinder();
     if( chordF )  { chordF->ResetStepEstimate(); }
  }
 
  // Clear the chord finders of all fields (ie managers) derived objects
  //
  G4FieldManagerStore* fieldMgrStore = G4FieldManagerStore::GetInstance();
  fieldMgrStore->ClearAllChordFindersState(); 
 
#ifdef G4DEBUG_TRANSPORT
  if( verboseLevel > 1 )
  {
    G4cout << " Returning touchable handle " << fCurrentTouchableHandle
           << G4endl;
  }
#endif
 
  // Update the current touchable handle  (from the track's)
  //
  fCurrentTouchableHandle = aTrack->GetTouchableHandle();  
}

Friends And Related Function Documentation

G4Transportation

friend class G4Transportation

friend

Definition at line 270 of file G4CoupledTransportation.hh.

---

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

• G4CoupledTransportation.hh
• G4CoupledTransportation.cc