G4NavigationLogger Class Reference

#include <G4NavigationLogger.hh>

Public Member Functions
	G4NavigationLogger (const G4String &id)
	~G4NavigationLogger ()
void	PreComputeStepLog (const G4VPhysicalVolume *motherPhysical, G4double motherSafety, const G4ThreeVector &localPoint) const
void	AlongComputeStepLog (const G4VSolid *sampleSolid, const G4ThreeVector &samplePoint, const G4ThreeVector &sampleDirection, const G4ThreeVector &localDirection, G4double sampleSafety, G4double sampleStep) const
void	CheckDaughterEntryPoint (const G4VSolid *sampleSolid, const G4ThreeVector &samplePoint, const G4ThreeVector &sampleDirection, const G4VSolid *motherSolid, const G4ThreeVector &localPoint, const G4ThreeVector &localDirection, G4double motherStep, G4double sampleStep) const
void	PostComputeStepLog (const G4VSolid *motherSolid, const G4ThreeVector &localPoint, const G4ThreeVector &localDirection, G4double motherStep, G4double motherSafety) const
void	ComputeSafetyLog (const G4VSolid *solid, const G4ThreeVector &point, G4double safety, G4bool isMotherVolume, G4int banner=-1) const
void	PrintDaughterLog (const G4VSolid *sampleSolid, const G4ThreeVector &samplePoint, G4double sampleSafety, G4bool onlySafety, const G4ThreeVector &sampleDirection, G4double sampleStep) const
G4bool	CheckAndReportBadNormal (const G4ThreeVector &unitNormal, const G4ThreeVector &localPoint, const G4ThreeVector &localDirection, G4double step, const G4VSolid *solid, const char *msg) const
G4bool	CheckAndReportBadNormal (const G4ThreeVector &unitNormal, const G4ThreeVector &originalNormal, const G4RotationMatrix &rotationM, const char *msg) const
void	ReportOutsideMother (const G4ThreeVector &localPoint, const G4ThreeVector &localDirection, const G4VPhysicalVolume *motherPV, G4double tDist=30.0 *CLHEP::cm) const
void	ReportVolumeAndIntersection (std::ostream &ostrm, const G4ThreeVector &localPoint, const G4ThreeVector &localDirection, const G4VPhysicalVolume *physical) const
G4int	GetVerboseLevel () const
void	SetVerboseLevel (G4int level)
G4double	GetMinTriggerDistance () const
void	SetMinTriggerDistance (G4double d)
G4bool	GetReportSoftWarnings () const
void	SetReportSoftWarnings (G4bool b)

Detailed Description

Definition at line 49 of file G4NavigationLogger.hh.

Constructor & Destructor Documentation

G4NavigationLogger::G4NavigationLogger

(

const G4String &

id

)

Definition at line 45 of file G4NavigationLogger.cc.

   : fId(id), fVerbose(0), fMinTriggerDistance( DBL_MAX ), fReportSoftWarnings( false )
{
}

G4NavigationLogger::~G4NavigationLogger

(

)

Definition at line 50 of file G4NavigationLogger.cc.

{
}

Member Function Documentation

void G4NavigationLogger::AlongComputeStepLog	(	const G4VSolid *	sampleSolid,
		const G4ThreeVector &	samplePoint,
		const G4ThreeVector &	sampleDirection,
		const G4ThreeVector &	localDirection,
		G4double	sampleSafety,
		G4double	sampleStep
	)		const

Definition at line 141 of file G4NavigationLogger.cc.

{
  // Check to see that the resulting point is indeed in/on volume.
  // This check could eventually be made only for successful candidate.

  if ( sampleStep < kInfinity )
  {
    G4ThreeVector intersectionPoint;
    intersectionPoint= samplePoint + sampleStep * sampleDirection;
    EInside insideIntPt= sampleSolid->Inside(intersectionPoint); 
    G4String fType = fId + "::ComputeStep()";

    G4String solidResponse = "-kInside-";
    if (insideIntPt == kOutside)
      { solidResponse = "-kOutside-"; }
    else if (insideIntPt == kSurface)
      { solidResponse = "-kSurface-"; }

    if ( fVerbose == 1 || fVerbose > 4 )
    {
      G4cout << "    Invoked Inside() for solid: "
             << sampleSolid->GetName()
             << ". Solid replied: " << solidResponse << G4endl
             << "    For point p: " << intersectionPoint
             << ", considered as 'intersection' point." << G4endl;
    }

    G4double safetyIn= -1, safetyOut= -1;  //  Set to invalid values
    G4double newDistIn= -1,  newDistOut= -1;
    if( insideIntPt != kInside )
    {
      safetyIn= sampleSolid->DistanceToIn(intersectionPoint);
      newDistIn= sampleSolid->DistanceToIn(intersectionPoint,
                                           sampleDirection);
    }
    if( insideIntPt != kOutside )
    {
      safetyOut= sampleSolid->DistanceToOut(intersectionPoint);
      newDistOut= sampleSolid->DistanceToOut(intersectionPoint,
                                             sampleDirection);
    }
    if( insideIntPt != kSurface )
    {
      std::ostringstream message;
      message.precision(16); 
      message << "Conflicting response from Solid." << G4endl
              << "          Inaccurate solid DistanceToIn"
              << " for solid " << sampleSolid->GetName() << G4endl
              << "          Solid gave DistanceToIn = "
              << sampleStep << " yet returns " << solidResponse
              << " for this point !" << G4endl
              << "          Original Point     = " << samplePoint << G4endl
              << "          Original Direction = " << sampleDirection << G4endl              
              << "          Intersection Point = " << intersectionPoint << G4endl
              << "            Safety values: " << G4endl;
      if ( insideIntPt != kInside )
      {
        message << "          DistanceToIn(p)  = " << safetyIn;
      }
      if ( insideIntPt != kOutside )
      {
        message << "          DistanceToOut(p) = " << safetyOut;
      }
      message << G4endl;
      message << " Solid Parameters: " << *sampleSolid;
      G4Exception(fType, "GeomNav1001", JustWarning, message);
    }
    else
    {  
      // If it is on the surface, *ensure* that either DistanceToIn
      // or DistanceToOut returns a finite value ( >= Tolerance).
      //
      if( std::max( newDistIn, newDistOut ) <=
          G4GeometryTolerance::GetInstance()->GetSurfaceTolerance() )
      { 
        std::ostringstream message;
        message << "Zero from both Solid DistanceIn and Out(p,v)." << G4endl
                << "  Identified point for which the solid " 
                << sampleSolid->GetName() << G4endl
                << "  has MAJOR problem:  " << G4endl
                << "  --> Both DistanceToIn(p,v) and DistanceToOut(p,v) "
                << "return Zero, an equivalent value or negative value."
                << G4endl 
                << "    Solid: " << sampleSolid << G4endl
                << "    Point p= " << intersectionPoint << G4endl
                << "    Direction v= " << sampleDirection << G4endl
                << "    DistanceToIn(p,v)     = " << newDistIn << G4endl
                << "    DistanceToOut(p,v,..) = " << newDistOut << G4endl
                << "    Safety values: " << G4endl
                << "      DistanceToIn(p)  = " << safetyIn << G4endl
                << "      DistanceToOut(p) = " << safetyOut;
        G4Exception(fType, "GeomNav0003", FatalException, message);
      }
    }

    // Verification / verbosity
    //
    if ( fVerbose > 1 )
    {
      static const G4int precVerf= 20;  // Precision 
      G4int oldprec = G4cout.precision(precVerf);
      G4cout << "Daughter "
             << std::setw(12)         << sampleSolid->GetName() << " "
             << std::setw(4+precVerf) << samplePoint  << " "
             << std::setw(4+precVerf) << sampleSafety << " "
             << std::setw(4+precVerf) << sampleStep   << " "
             << std::setw(16)         << "distanceToIn" << " "
             << std::setw(4+precVerf) << localDirection << " "
             << G4endl;
      G4cout.precision(oldprec);
    }
  }
}

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G4bool G4NavigationLogger::CheckAndReportBadNormal	(	const G4ThreeVector &	unitNormal,
		const G4ThreeVector &	localPoint,
		const G4ThreeVector &	localDirection,
		G4double	step,
		const G4VSolid *	solid,
		const char *	msg
	)		const

Definition at line 563 of file G4NavigationLogger.cc.

{
  G4double  normMag2 = unitNormal.mag2();
  G4bool badLength = ( std::fabs ( normMag2 - 1.0 ) > CLHEP::perMillion );

  if( badLength )
  {
    G4double  normMag= std::sqrt(normMag2); 
    G4ExceptionDescription message;
    message.precision(10);
    message << "============================================================"
            << G4endl;
    message << " WARNING>  Normal is not a unit vector. "
            << "  - but |normal|   = "  << normMag
            << "  - and |normal|^2     = "  << normMag2 << G4endl
            << "    which differ from 1.0 by: " <<  G4endl 
            << "        |normal|-1 = " << normMag - 1.0
            << "    and |normal|^2 - 1 = " << normMag2 - 1.0 << G4endl
            << "   n = " << unitNormal << G4endl;
    message << " Info string: " << msg << G4endl;
    message << "============================================================"
            << G4endl;

    message.precision(16);

    message << " Information on call to DistanceToOut: " << G4endl;
    message << "   Position  = " << localPoint << G4endl
            << "   Direction = " << localDirection << G4endl;
    message << "   Obtained> distance      = " << step << G4endl;
    message << "           > Exit position = " << localPoint+step*localDirection
            << G4endl;
    message << " Parameters of solid:     " << G4endl;
    message << *solid; 
    message << "============================================================";
      
    G4String fMethod = fId + "::ComputeStep()";
    G4Exception( fMethod, "GeomNav0003", JustWarning, message); 
  }
  return badLength;
}

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G4bool G4NavigationLogger::CheckAndReportBadNormal	(	const G4ThreeVector &	unitNormal,
		const G4ThreeVector &	originalNormal,
		const G4RotationMatrix &	rotationM,
		const char *	msg
	)		const

Definition at line 615 of file G4NavigationLogger.cc.

{
  G4double  normMag2 = rotatedNormal.mag2();
  G4bool badLength = ( std::fabs ( normMag2 - 1.0 ) > CLHEP::perMillion );

  if( badLength )
  {
    G4double  normMag= std::sqrt(normMag2); 
    G4ExceptionDescription message;
    message.precision(10);
    message << "============================================================"
            << G4endl;
    message << " WARNING>  Rotated n(ormal) is not a unit vector. " << G4endl
            << "     |normal|   = "  << normMag
            << "   and |normal|^2     = "  << normMag2 << G4endl
            << "   Diff from 1.0: " <<  G4endl 
            << "     |normal|-1 = " << normMag - 1.0
            << "   and |normal|^2 - 1 = " << normMag2 - 1.0 << G4endl;
    message << "   Rotated  n = (" << rotatedNormal.x() << "," << rotatedNormal.y() << "," 
            << rotatedNormal.z() << ")" << G4endl;
    message << "   Original n = (" << originalNormal.x() << "," << originalNormal.y() << "," 
            << originalNormal.z() << ")" << G4endl;
    message << " Info string: " << msg << G4endl;
    message << "============================================================"
            << G4endl;

    message.precision(16);

    message << " Information on RotationMatrix : " << G4endl;
    message << " Original: " << G4endl;
    message << rotationM << G4endl;
    message << " Inverse (used in transformation): " << G4endl;
    message << rotationM.inverse() << G4endl;    
    message << "============================================================";
      
    G4String fMethod = fId + "::ComputeStep()";
    G4Exception( fMethod, "GeomNav0003", JustWarning, message); 
  }
  return badLength;
}

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void G4NavigationLogger::CheckDaughterEntryPoint	(	const G4VSolid *	sampleSolid,
		const G4ThreeVector &	samplePoint,
		const G4ThreeVector &	sampleDirection,
		const G4VSolid *	motherSolid,
		const G4ThreeVector &	localPoint,
		const G4ThreeVector &	localDirection,
		G4double	motherStep,
		G4double	sampleStep
	)		const

Definition at line 265 of file G4NavigationLogger.cc.

{
  const G4double kCarTolerance = motherSolid->GetTolerance();
   
  // Double check the expected condition of being called
  //
  G4bool SuspiciousDaughterDist = ( sampleStep >= motherStep )
                               && ( sampleStep < kInfinity );

  if( sampleStep >= kInfinity )
  {
    G4ExceptionDescription msg;
    msg.precision(12);
    msg << " WARNING - Called with 'infinite' step. " << G4endl;
    msg << "    Checks have no meaning if daughter step is infinite." << G4endl;
    msg << "    kInfinity  = " << kInfinity  / millimeter << G4endl;
    msg << "    sampleStep = " << sampleStep / millimeter << G4endl;
    msg << "    sampleStep < kInfinity " << (sampleStep<kInfinity) << G4endl;
    msg << "    kInfinity - sampleStep " << (kInfinity-sampleStep) / millimeter << G4endl;
    msg << " Returning immediately.";
    G4Exception("G4NavigationLogger::CheckDaughterEntryPoint()",
                "GeomNav0003", JustWarning, msg);
    return; 
  }

  // The intersection point with the daughter is after the exit point
  // from the mother volume !!
  // This is legal / allowed to occur only if the mother is concave
  // ****************************************************************
  // If mother is convex the daughter volume must be encountered
  // before the exit from the current volume!
   
  // Check #1) whether the track will re-enter the current mother 
  //           in the extension past its current exit point 
  G4ThreeVector localExitMotherPos= localPoint+motherStep*localDirection;
  G4double distExitToReEntry= motherSolid->DistanceToIn(localExitMotherPos,
                                                        localDirection); 
   
  // Check #2) whether the 'entry' point in the daughter is inside the mother
  //
  G4ThreeVector localEntryInDaughter = localPoint+sampleStep*localDirection; 
  EInside insideMother= motherSolid->Inside( localEntryInDaughter ); 
   
  G4String solidResponse = "-kInside-";
  if (insideMother == kOutside)       { solidResponse = "-kOutside-"; }
  else if (insideMother == kSurface)  { solidResponse = "-kSurface-"; }

  G4double       distToReEntry = distExitToReEntry + motherStep;
  G4ThreeVector  localReEntryPoint = localPoint+distToReEntry*localDirection;

  // Clear error  -- Daughter entry point is bad
  G4bool DaughterEntryIsOutside = SuspiciousDaughterDist
         && ( (sampleStep < distToReEntry) || (insideMother == kOutside ) );
  G4bool EntryIsMotherExit = std::fabs(sampleStep-motherStep) < kCarTolerance;

  // Check for more subtle error - is exit point of daughter correct ?
  G4ThreeVector sampleEntryPoint= samplePoint+sampleStep*sampleDirection;
  G4double sampleCrossingDist= sampleSolid->DistanceToOut( sampleEntryPoint,
                                                           sampleDirection );
  G4double      sampleExitDist = sampleStep+sampleCrossingDist;
  G4ThreeVector sampleExitPoint= samplePoint+sampleExitDist*sampleDirection;

  G4bool TransitProblem = ( (sampleStep < motherStep)
                         && (sampleExitDist > motherStep + kCarTolerance) )
           || ( EntryIsMotherExit && (sampleCrossingDist > kCarTolerance) );

  if( DaughterEntryIsOutside
       || TransitProblem
       || (SuspiciousDaughterDist && (fVerbose > 3) ) )
  {
    G4ExceptionDescription msg;
    msg.precision(16);

    if( DaughterEntryIsOutside )
    {   
      msg << "WARNING> Intersection distance to Daughter volume is further"
          <<    " than the distance to boundary." << G4endl
          << "  It appears that part of the daughter volume is *outside*"
          <<    " this mother. " << G4endl;
      msg << "  One of the following checks signaled a problem:" << G4endl
          << "  -sampleStep (dist to daugh) <  mother-exit dist + distance "
          <<      "to ReEntry point for mother " << G4endl
          << "  -position of daughter intersection is outside mother volume."
          << G4endl;
    }
    else if( TransitProblem )
    {
      G4double protrusion = sampleExitDist - motherStep;

      msg << "WARNING>  Daughter volume extends beyond mother boundary. "
          << G4endl;
      if ( ( sampleStep < motherStep )
        && (sampleExitDist > motherStep + kCarTolerance ) )
      {
        // 1st Issue with Daughter
        msg << "        Crossing distance in the daughter causes is to extend"
            << " beyond the mother exit. " << G4endl;
        msg << "        Length protruding = " << protrusion << G4endl;
      }
      if( EntryIsMotherExit )
      {
        // 1st Issue with Daughter
        msg << "        Intersection distance to Daughter is within "
            << " tolerance of the distance" << G4endl;
        msg << "        to the mother boundary * and * " << G4endl;
        msg << "        the crossing distance in the daughter is > tolerance."
            << G4endl;           
      }         
    }      
    else
    {
      msg << "NearMiss> Intersection to Daughter volume is in extension past the"
          <<   " current exit point of the mother volume." << G4endl;
      msg << "          This is not an error - just an unusual occurence,"
          <<   " possible in the case of concave volume. " << G4endl;
    }
    msg << "---- Information about intersection with daughter, mother: "
        << G4endl;
    msg << "    sampleStep (daughter) = " << sampleStep << G4endl
        << "    motherStep            = " << motherStep << G4endl
        << "    distToRentry(mother)  = " << distToReEntry << G4endl
        << "    Inside(entry pnt daug): " << solidResponse << G4endl
        << "    dist across daughter  = " << sampleCrossingDist << G4endl;
    msg << " Mother Name (Solid) : " << motherSolid->GetName() << G4endl
        << " In local (mother) coordinates: " << G4endl
        << "    Starting     Point    = " << localPoint << G4endl
        << "    Direction             = " << localDirection << G4endl
        << "    Exit Point    (mother)= " << localExitMotherPos << G4endl
        << "    Entry Point (daughter)= " << localPoint+sampleStep*localDirection
        << G4endl;
    if( distToReEntry < kInfinity )
    {
      msg << "    ReEntry Point (mother)= " << localReEntryPoint << G4endl;
    }
    else
    {
      msg << "    No ReEntry - track does not encounter mother volume again! "
          << G4endl;
    }
    msg << " Daughter Name (Solid): " << sampleSolid->GetName() << G4endl
        << " In daughter coordinates: " << G4endl
        << "    Starting     Point    = " << samplePoint << G4endl
        << "    Direction             = " << sampleDirection << G4endl
        << "    Entry Point (daughter)= " << sampleEntryPoint
        << G4endl;
    msg << "  Description of mother solid: " << G4endl
        << *motherSolid << G4endl
        << "  Description of daughter solid: " << G4endl
        << *sampleSolid << G4endl;
    G4String fType = fId + "::ComputeStep()";

    if( DaughterEntryIsOutside || TransitProblem )
    {
      G4Exception(fType, "GeomNav0003", JustWarning, msg);
    }
    else
    {
      G4cout << fType
             << " -- Checked distance of Entry to daughter vs exit of mother"
             << G4endl;
      G4cout << msg.str();
      G4cout << G4endl;
    }
  }
}

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void G4NavigationLogger::ComputeSafetyLog	(	const G4VSolid *	solid,
		const G4ThreeVector &	point,
		G4double	safety,
		G4bool	isMotherVolume,
		G4int	banner = -1
	)		const

Definition at line 494 of file G4NavigationLogger.cc.

{
  if( banner < 0 )
  {
    banner = isMotherVolume;
  }
  if( fVerbose >= 1 )
  {
    G4String volumeType = isMotherVolume ? " Mother " : "Daughter";
    if (banner)
    {
      G4cout << "************** " << fId << "::ComputeSafety() ****************"
             << G4endl;
      G4cout << " VolType "
             << std::setw(15) << "Safety/mm" << " "
             << std::setw(52) << "Position (local coordinates)"
             << " - Solid" << G4endl;
    }
    G4cout << volumeType
           << std::setw(15) << safety << " " << point  << " - "
           << solid->GetEntityType() << ": " << solid->GetName() << G4endl;
  }
}

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G4double G4NavigationLogger::GetMinTriggerDistance ( ) const

inline

Definition at line 132 of file G4NavigationLogger.hh.

{ return fMinTriggerDistance; }

G4bool G4NavigationLogger::GetReportSoftWarnings ( ) const

inline

Definition at line 134 of file G4NavigationLogger.hh.

{ return fReportSoftWarnings; }    

G4int G4NavigationLogger::GetVerboseLevel ( ) const

inline

Definition at line 129 of file G4NavigationLogger.hh.

{ return fVerbose; }

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void G4NavigationLogger::PostComputeStepLog	(	const G4VSolid *	motherSolid,
		const G4ThreeVector &	localPoint,
		const G4ThreeVector &	localDirection,
		G4double	motherStep,
		G4double	motherSafety
	)		const

Definition at line 443 of file G4NavigationLogger.cc.

{
  if ( fVerbose == 1 || fVerbose > 4 )     
  {
    G4cout << "  Mother "
           << std::setw(15) << motherSafety << " " 
           << std::setw(15) << motherStep   << " " << localPoint   << " - "
           << motherSolid->GetEntityType() << ": " << motherSolid->GetName()
           << G4endl;
  }
  if( ( motherStep < 0.0 ) || ( motherStep >= kInfinity) )
  {
    G4String fType = fId + "::ComputeStep()";
    G4int oldPrOut= G4cout.precision(16); 
    G4int oldPrErr= G4cerr.precision(16);
    std::ostringstream message;
    message << "Current point is outside the current solid !" << G4endl
            << "        Problem in Navigation"  << G4endl
            << "        Point (local coordinates): "
            << localPoint << G4endl
            << "        Local Direction: " << localDirection << G4endl
            << "        Solid: " << motherSolid->GetName(); 
    motherSolid->DumpInfo();
    G4Exception(fType, "GeomNav0003", FatalException, message);
    G4cout.precision(oldPrOut);
    G4cerr.precision(oldPrErr);
  }
  if ( fVerbose > 1 )
  {
    static const G4int precVerf= 20;  // Precision 
    G4int oldprec = G4cout.precision(precVerf);
    G4cout << "  Mother " << std::setw(12) << motherSolid->GetName() << " "
           << std::setw(4+precVerf)       << localPoint   << " "
           << std::setw(4+precVerf)       << motherSafety << " "
           << std::setw(4+precVerf)       << motherStep   << " "
           << std::setw(16)               << "distanceToOut" << " "
           << std::setw(4+precVerf)       << localDirection << " "
           << G4endl;
    G4cout.precision(oldprec);      
  }
}

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void G4NavigationLogger::PreComputeStepLog	(	const G4VPhysicalVolume *	motherPhysical,
		G4double	motherSafety,
		const G4ThreeVector &	localPoint
	)		const

Definition at line 59 of file G4NavigationLogger.cc.

{
  G4VSolid* motherSolid = motherPhysical->GetLogicalVolume()->GetSolid();
  G4String fType = fId + "::ComputeStep()";
  // const double millimeter = CLHEP::millimeter;
  
  if ( fVerbose == 1 || fVerbose > 4 )       
  {
    G4cout << "*************** " << fType << " *****************" << G4endl
           << " VolType "
           << std::setw(15) << "Safety/mm" << " "
           << std::setw(15) << "Distance/mm" << " "
           << std::setw(52) << "Position (local coordinates)"
           << " - Solid" << G4endl;
    G4cout << "  Mother "
           << std::setw(15) << motherSafety / millimeter << " " 
           << std::setw(15) << "N/C"        << " " << localPoint << " - "
           << motherSolid->GetEntityType() << ": " << motherSolid->GetName()
           << G4endl;
  }
  if ( motherSafety < 0.0 )
  {
    std::ostringstream message;
    message << "Negative Safety In Voxel Navigation !" << G4endl
            << "        Current solid " << motherSolid->GetName()
            << " gave negative safety: " << motherSafety / millimeter << G4endl
            << "        for the current (local) point " << localPoint;
    message << " Solid info: " << *motherSolid << G4endl;      
    G4Exception(fType, "GeomNav0003", FatalException, message);
  }
  if( motherSolid->Inside(localPoint)==kOutside )
  {
    std::ostringstream message;
    message << "Point is outside Current Volume - " << G4endl
            << "          Point " << localPoint / millimeter
            << " is outside current volume '" << motherPhysical->GetName()
            << "'" << G4endl;
    G4double estDistToSolid= motherSolid->DistanceToIn(localPoint); 
    message << "          Estimated isotropic distance to solid (distToIn)= " 
            << estDistToSolid << G4endl;
    if( estDistToSolid > 100.0 * motherSolid->GetTolerance() )
    {
      message << " Solid info: " << *motherSolid << G4endl;
      G4Exception(fType, "GeomNav0003", JustWarning, message,
                  "Point is far outside Current Volume !" ); 
    }
    else
    {
      G4Exception(fType, "GeomNav1001", JustWarning, message,
                  "Point is a little outside Current Volume.");
    }
  }

  // Verification / verbosity
  //
  if ( fVerbose > 1 )
  {
    static const G4int precVerf= 16;  // Precision 
    G4int oldprec = G4cout.precision(precVerf);
    G4cout << " - Information on mother / key daughters ..." << G4endl;
    G4cout << "  Type   " << std::setw(12) << "Solid-Name"   << " " 
           << std::setw(3*(6+precVerf))    << " local point" << " "
           << std::setw(4+precVerf)        << "solid-Safety" << " "
           << std::setw(4+precVerf)        << "solid-Step"   << " "
           << std::setw(17)                << "distance Method "
           << std::setw(3*(6+precVerf))    << " local direction" << " "
           << G4endl;
    G4cout << "  Mother " << std::setw(12) << motherSolid->GetName() << " "
           << std::setw(4+precVerf)        << localPoint   << " "
           << std::setw(4+precVerf)        << motherSafety << " "
           << G4endl;
    G4cout.precision(oldprec);
  }
}

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void G4NavigationLogger::PrintDaughterLog	(	const G4VSolid *	sampleSolid,
		const G4ThreeVector &	samplePoint,
		G4double	sampleSafety,
		G4bool	onlySafety,
		const G4ThreeVector &	sampleDirection,
		G4double	sampleStep
	)		const

Definition at line 527 of file G4NavigationLogger.cc.

{
  if ( fVerbose >= 1 )
  {
    G4int oldPrec= G4cout.precision(8);
    G4cout << "Daughter "
           << std::setw(15) << sampleSafety << " ";
    if (withStep)  // (sampleStep != -1.0 )
    {
      G4cout << std::setw(15) << sampleStep << " ";
    }
    else
    {
      G4cout << std::setw(15) << "Not-Available" << " ";
    }
    G4cout << samplePoint   << " - "
           << sampleSolid->GetEntityType() << ": " << sampleSolid->GetName();
    if( withStep )
    {
      G4cout << " dir= " << sampleDirection;
    }
    G4cout << G4endl;
    G4cout.precision(oldPrec);
  }
}

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void G4NavigationLogger::ReportOutsideMother	(	const G4ThreeVector &	localPoint,
		const G4ThreeVector &	localDirection,
		const G4VPhysicalVolume *	motherPV,
		G4double	tDist = 30.0*CLHEP::cm
	)		const

Definition at line 667 of file G4NavigationLogger.cc.

{
  const G4LogicalVolume* logicalVol = physical
                                    ? physical->GetLogicalVolume() : 0;
  const G4VSolid* solid = logicalVol
                        ? logicalVol->GetSolid() : 0;

  G4String fMethod = fId + "::ComputeStep()";

  if( solid == 0 )
  {
    G4Exception(fMethod, "GeomNav0003", FatalException,
                "Erroneous call to ReportOutsideMother: no Solid is available");
    return;
  }
  const G4double kCarTolerance = solid->GetTolerance();

  // Double check reply - it should be kInfinity
  const G4double distToOut = solid->DistanceToOut(localPoint, localDirection);
  // const G4double distToOutNeg = solid->DistanceToOut(localPoint, -localDirection);
  
  const EInside  inSolid   = solid->Inside(localPoint);
  const G4double safetyToIn  = solid->DistanceToIn(localPoint);
  const G4double safetyToOut = solid->DistanceToOut(localPoint);

  const G4double distToInPos = solid->DistanceToIn(localPoint, localDirection);
  // const G4double distToInNeg = solid->DistanceToIn(localPoint, -localDirection);  

  // 1. Check consistency between Safety obtained and report from distance
  //     We must ensure that (mother)Safety <= 0.0
  //       in the case that the point is outside!
  //    [ If this is not the case, this problem can easily go undetected,
  //       except in Check mode ! ] 
  if( safetyToOut > kCarTolerance
      && ( distToOut < 0.0 || distToOut >= kInfinity ) )
  {
     G4ExceptionDescription msg1;     
     // fNavClerk->ReportBadSafety(localPoint, localDirection,
     //                     motherPhysical, motherSafety, motherStep);
     msg1 << " Dangerous inconsistency in response of solid." << G4endl
          << "    Solid type: " << solid->GetEntityType()
          << "    Name= " << solid->GetName()           << G4endl;
     msg1 << " Mother volume gives safety > 0 despite being called for *Outside* point "
          << G4endl
          << "   Location = " << localPoint     << G4endl
          << "   Direction= " << localDirection << G4endl
          << "   - Safety (Isotropic d) = " << safetyToOut   << G4endl
          << "   - Intersection Distance= " << distToOut << G4endl
          << G4endl;
     G4Exception( fMethod, "GeomNav0123", JustWarning, msg1);
  }

  // 2. Inconsistency - Too many distances are zero (or will be rounded to zero)

  G4ExceptionDescription msg2;
  if( std::fabs(distToOut) < kCarTolerance && std::fabs(distToInPos) < kCarTolerance ) 
  {
     // If both distanceToIn and distanceToOut (p,v) are zero for one direction,
     //  the particle could get stuck!
  }

  G4ExceptionDescription msg;
  msg.precision(10);
  // G4bool reportIssue= true;
  
  if( std::fabs(distToOut) < kCarTolerance )
  {
    // 3. Soft error - safety is not rounded to zero
    //    Report nothing - except in 'loud' mode
    if( fReportSoftWarnings )
    {
      // reportIssue= true;
      msg << " Warning>  DistanceToOut(p,v): Distance from surface is not rounded to zero" << G4endl;
    } else { 
      // reportIssue= false;
      return;
    }
  }
  else
  {
    // 4. General message - complain that the point is outside!
    //     and provide all information about the current location,
    //     direction and the answers of the solid
    msg << "============================================================" << G4endl;
    msg << " WARNING>  Current Point appears to be Outside mother volume !! " << G4endl;
    msg << "   Response of DistanceToOut was negative or kInfinity when called in "
        << fMethod << G4endl;
  }

  // Generate and 'print'/stream all the information needed
  this->ReportVolumeAndIntersection( msg, localPoint, localDirection, physical ); 
  
  // Default for distance of 'major' error
  if( triggerDist <= 0.0 ) {
     // triggerDist = 1.e+6 * kCarTolerance; // Well beyond tolerance
    triggerDist = std::max ( 1.0e+6 * kCarTolerance,  // Well beyond tolerance
                             fMinTriggerDistance );
  }

  G4bool majorError = inSolid==kOutside
                    ? ( safetyToIn > triggerDist )
                    : ( safetyToOut > triggerDist );
  
  G4ExceptionSeverity exceptionType = JustWarning;
  if ( majorError )
  {
    exceptionType = FatalException;
  }
  
  G4Exception( fMethod, "GeomNav0003", exceptionType, msg);
}

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void G4NavigationLogger::ReportVolumeAndIntersection	(	std::ostream &	ostrm,
		const G4ThreeVector &	localPoint,
		const G4ThreeVector &	localDirection,
		const G4VPhysicalVolume *	physical
	)		const

Definition at line 787 of file G4NavigationLogger.cc.

{
  G4String fMethod = fId + "::ComputeStep()";   
  const G4LogicalVolume* logicalVol = physical
                                    ? physical->GetLogicalVolume() : 0;
  const G4VSolid* solid = logicalVol
                        ? logicalVol->GetSolid() : 0;
  if( solid == 0 )
  {
     os << " ERROR> Solid is not available. Logical Volume = " << logicalVol << std::endl;
     return;
  }
  const G4double kCarTolerance = solid->GetTolerance();

  // Double check reply - it should be kInfinity
  const G4double distToOut = solid->DistanceToOut(localPoint, localDirection);
  const G4double distToOutNeg = solid->DistanceToOut(localPoint, -localDirection);
  
  const EInside  inSolid   = solid->Inside(localPoint);
  const G4double safetyToIn  = solid->DistanceToIn(localPoint);
  const G4double safetyToOut = solid->DistanceToOut(localPoint);

  const G4double distToInPos = solid->DistanceToIn(localPoint, localDirection);
  const G4double distToInNeg = solid->DistanceToIn(localPoint, -localDirection);  

  const G4ThreeVector exitNormal = solid->SurfaceNormal(localPoint); 

  // Double check whether points nearby are in/surface/out
  const G4double epsilonDist = 1000.0 * kCarTolerance;
  const G4ThreeVector PointPlusDir  = localPoint + epsilonDist * localDirection;
  const G4ThreeVector PointMinusDir = localPoint - epsilonDist * localDirection;
  const G4ThreeVector PointPlusNorm  = localPoint + epsilonDist * exitNormal;  
  const G4ThreeVector PointMinusNorm = localPoint - epsilonDist * exitNormal;

  const EInside inPlusDir= solid->Inside(PointPlusDir);
  const EInside inMinusDir= solid->Inside(PointMinusDir);  
  const EInside inPlusNorm= solid->Inside(PointPlusNorm);
  const EInside inMinusNorm= solid->Inside(PointMinusNorm);  

  // Basic information 
  os << "   Current physical volume = " << physical->GetName() << G4endl;
  os << "   Position (loc)  = " << localPoint << G4endl
      << "   Direction (dir) = " << localDirection << G4endl;
  os << " For confirmation:" << G4endl;
  os << "   Response of DistanceToOut (loc, +dir)= " << distToOut << G4endl;
  os << "   Response of DistanceToOut (loc, -dir)= " << distToOutNeg << G4endl;
  
  os << "   Inside responds = " << inSolid << " , ie: ";
  if( inSolid == kOutside ) {
    os << " Outside -- a problem, as observed in " << fMethod << G4endl;
  } else if( inSolid == kSurface ) {
    os << " Surface -- unexpected / inconsistent response ! " << G4endl;
  } else {
    os << " Inside  -- unexpected / inconsistent response ! " << G4endl;
  }
  os << "   Obtain safety(ToIn) = " << safetyToIn << G4endl;
  os << "   Obtain safety(ToOut) = " << safetyToOut << G4endl;
  os << " Response of DistanceToIn (loc, +dir)= "  << distToInPos << G4endl;
  os << " Response of DistanceToIn (loc, -dir)= "  << distToInNeg << G4endl;

  os << " Exit Normal at loc = " << exitNormal << G4endl;
  os << "     Dir . Normal   = " << exitNormal.dot( localDirection );
  os << G4endl;

  os << " Checking points moved from position by distance/dir.  Solid responses: " << G4endl
     << "  +eps in direction :    " << G4NavigationLogger_Namespace::EInsideNames[inPlusDir] 
     << "  +eps in Normal  :    " << G4NavigationLogger_Namespace::EInsideNames[inPlusNorm]  << G4endl
     << "  -eps in direction :    " << G4NavigationLogger_Namespace::EInsideNames[inMinusDir]
     << "  -eps in Normal  :    " << G4NavigationLogger_Namespace::EInsideNames[inMinusNorm]  << G4endl;
     
  os << " Parameters of solid:     " << G4endl;
  os << *solid;
  os << "============================================================";
}

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void G4NavigationLogger::SetMinTriggerDistance ( G4double  d )

inline

Definition at line 133 of file G4NavigationLogger.hh.

{ fMinTriggerDistance= d; }

void G4NavigationLogger::SetReportSoftWarnings ( G4bool  b )

inline

Definition at line 135 of file G4NavigationLogger.hh.

{ fReportSoftWarnings = b; } 

void G4NavigationLogger::SetVerboseLevel ( G4int  level )

inline

Definition at line 130 of file G4NavigationLogger.hh.

{ fVerbose = level; }

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---

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

• source/geant4.10.03.p02/source/geometry/navigation/include/G4NavigationLogger.hh
• source/geant4.10.03.p02/source/geometry/navigation/src/G4NavigationLogger.cc