#include <G4Polycone.hh>

Inheritance diagram for G4Polycone:

Public Member Functions
	G4Polycone (const G4String &name, G4double phiStart, G4double phiTotal, G4int numZPlanes, const G4double zPlane[], const G4double rInner[], const G4double rOuter[])

	G4Polycone (const G4String &name, G4double phiStart, G4double phiTotal, G4int numRZ, const G4double r[], const G4double z[])

virtual	~G4Polycone ()

EInside	Inside (const G4ThreeVector &p) const

G4double	DistanceToIn (const G4ThreeVector &p, const G4ThreeVector &v) const

G4double	DistanceToIn (const G4ThreeVector &p) const

G4ThreeVector	GetPointOnSurface () const

void	ComputeDimensions (G4VPVParameterisation p, const G4int n, const G4VPhysicalVolume pRep)

G4GeometryType	GetEntityType () const

G4VSolid *	Clone () const

std::ostream &	StreamInfo (std::ostream &os) const

G4Polyhedron *	CreatePolyhedron () const

G4bool	Reset ()

G4double	GetStartPhi () const

G4double	GetEndPhi () const

G4bool	IsOpen () const

G4int	GetNumRZCorner () const

G4PolyconeSideRZ	GetCorner (G4int index) const

G4PolyconeHistorical *	GetOriginalParameters () const

void	SetOriginalParameters (G4PolyconeHistorical *pars)

	G4Polycone (__void__ &)

	G4Polycone (const G4Polycone &source)

const G4Polycone &	operator= (const G4Polycone &source)

Public Member Functions inherited from G4VCSGfaceted
	G4VCSGfaceted (const G4String &name)

virtual	~G4VCSGfaceted ()

	G4VCSGfaceted (const G4VCSGfaceted &source)

const G4VCSGfaceted &	operator= (const G4VCSGfaceted &source)

virtual G4bool	CalculateExtent (const EAxis pAxis, const G4VoxelLimits &pVoxelLimit, const G4AffineTransform &pTransform, G4double &pmin, G4double &pmax) const

virtual G4ThreeVector	SurfaceNormal (const G4ThreeVector &p) const

virtual G4double	DistanceToOut (const G4ThreeVector &p, const G4ThreeVector &v, const G4bool calcNorm=false, G4bool validNorm=0, G4ThreeVector n=0) const

virtual G4double	DistanceToOut (const G4ThreeVector &p) const

virtual void	DescribeYourselfTo (G4VGraphicsScene &scene) const

virtual G4VisExtent	GetExtent () const

virtual G4Polyhedron *	GetPolyhedron () const

G4int	GetCubVolStatistics () const

G4double	GetCubVolEpsilon () const

void	SetCubVolStatistics (G4int st)

void	SetCubVolEpsilon (G4double ep)

G4int	GetAreaStatistics () const

G4double	GetAreaAccuracy () const

void	SetAreaStatistics (G4int st)

void	SetAreaAccuracy (G4double ep)

virtual G4double	GetCubicVolume ()

virtual G4double	GetSurfaceArea ()

	G4VCSGfaceted (__void__ &)

Public Member Functions inherited from G4VSolid
	G4VSolid (const G4String &name)

virtual	~G4VSolid ()

G4bool	operator== (const G4VSolid &s) const

G4String	GetName () const

void	SetName (const G4String &name)

G4double	GetTolerance () const

void	DumpInfo () const

virtual const G4VSolid *	GetConstituentSolid (G4int no) const

virtual G4VSolid *	GetConstituentSolid (G4int no)

virtual const G4DisplacedSolid *	GetDisplacedSolidPtr () const

virtual G4DisplacedSolid *	GetDisplacedSolidPtr ()

	G4VSolid (__void__ &)

	G4VSolid (const G4VSolid &rhs)

G4VSolid &	operator= (const G4VSolid &rhs)

Protected Member Functions
G4bool	SetOriginalParameters (G4ReduciblePolygon *rz)

void	Create (G4double phiStart, G4double phiTotal, G4ReduciblePolygon *rz)

void	CopyStuff (const G4Polycone &source)

G4ThreeVector	GetPointOnCone (G4double fRmin1, G4double fRmax1, G4double fRmin2, G4double fRmax2, G4double zOne, G4double zTwo, G4double &totArea) const

G4ThreeVector	GetPointOnTubs (G4double fRMin, G4double fRMax, G4double zOne, G4double zTwo, G4double &totArea) const

G4ThreeVector	GetPointOnCut (G4double fRMin1, G4double fRMax1, G4double fRMin2, G4double fRMax2, G4double zOne, G4double zTwo, G4double &totArea) const

G4ThreeVector	GetPointOnRing (G4double fRMin, G4double fRMax, G4double fRMin2, G4double fRMax2, G4double zOne) const

Protected Member Functions inherited from G4VCSGfaceted
virtual G4double	DistanceTo (const G4ThreeVector &p, const G4bool outgoing) const

G4ThreeVector	GetPointOnSurfaceGeneric () const

void	CopyStuff (const G4VCSGfaceted &source)

void	DeleteStuff ()

Protected Member Functions inherited from G4VSolid
void	CalculateClippedPolygonExtent (G4ThreeVectorList &pPolygon, const G4VoxelLimits &pVoxelLimit, const EAxis pAxis, G4double &pMin, G4double &pMax) const

void	ClipCrossSection (G4ThreeVectorList *pVertices, const G4int pSectionIndex, const G4VoxelLimits &pVoxelLimit, const EAxis pAxis, G4double &pMin, G4double &pMax) const

void	ClipBetweenSections (G4ThreeVectorList *pVertices, const G4int pSectionIndex, const G4VoxelLimits &pVoxelLimit, const EAxis pAxis, G4double &pMin, G4double &pMax) const

void	ClipPolygon (G4ThreeVectorList &pPolygon, const G4VoxelLimits &pVoxelLimit, const EAxis pAxis) const

G4double	EstimateCubicVolume (G4int nStat, G4double epsilon) const

G4double	EstimateSurfaceArea (G4int nStat, G4double ell) const

Protected Attributes
G4double	startPhi

G4double	endPhi

G4bool	phiIsOpen

G4int	numCorner

G4PolyconeSideRZ *	corners

G4PolyconeHistorical *	original_parameters

G4EnclosingCylinder *	enclosingCylinder

Protected Attributes inherited from G4VCSGfaceted
G4int	numFace

G4VCSGface **	faces

G4double	fCubicVolume

G4double	fSurfaceArea

G4Polyhedron *	fpPolyhedron

Protected Attributes inherited from G4VSolid
G4double	kCarTolerance

Detailed Description

Definition at line 81 of file G4Polycone.hh.

Constructor & Destructor Documentation

G4Polycone::G4Polycone	(	const G4String &	name,
		G4double	phiStart,
		G4double	phiTotal,
		G4int	numZPlanes,
		const G4double	zPlane[],
		const G4double	rInner[],
		const G4double	rOuter[]
	)

Definition at line 59 of file G4Polycone.cc.

References Create(), G4VSolid::DumpInfo(), FatalErrorInArgument, G4endl, G4Exception(), G4PolyconeHistorical::Num_z_planes, G4PolyconeHistorical::Opening_angle, original_parameters, G4PolyconeHistorical::Rmax, G4PolyconeHistorical::Rmin, G4PolyconeHistorical::Start_angle, and G4PolyconeHistorical::Z_values.

Referenced by Clone().

   : G4VCSGfaceted( name )
 {
   //
   // Some historical ugliness
   //
   original_parameters = new G4PolyconeHistorical();
   
   original_parameters->Start_angle = phiStart;
   original_parameters->Opening_angle = phiTotal;
   original_parameters->Num_z_planes = numZPlanes;
   original_parameters->Z_values = new G4double[numZPlanes];
   original_parameters->Rmin = new G4double[numZPlanes];
   original_parameters->Rmax = new G4double[numZPlanes];
 
   G4int i;
   for (i=0; i<numZPlanes; i++)
   { 
     if(rInner[i]>rOuter[i])
     {
       DumpInfo();
       std::ostringstream message;
       message << "Cannot create a Polycone with rInner > rOuter for the same Z"
               << G4endl
               << "        rInner > rOuter for the same Z !" << G4endl
               << "        rMin[" << i << "] = " << rInner[i]
               << " -- rMax[" << i << "] = " << rOuter[i];
       G4Exception("G4Polycone::G4Polycone()", "GeomSolids0002",
                   FatalErrorInArgument, message);
     }
     if (( i < numZPlanes-1) && ( zPlane[i] == zPlane[i+1] ))
     {
       if( (rInner[i]   > rOuter[i+1])
         ||(rInner[i+1] > rOuter[i])   )
       {
         DumpInfo();
         std::ostringstream message;
         message << "Cannot create a Polycone with no contiguous segments."
                 << G4endl
                 << "        Segments are not contiguous !" << G4endl
                 << "        rMin[" << i << "] = " << rInner[i]
                 << " -- rMax[" << i+1 << "] = " << rOuter[i+1] << G4endl
                 << "        rMin[" << i+1 << "] = " << rInner[i+1]
                 << " -- rMax[" << i << "] = " << rOuter[i];
         G4Exception("G4Polycone::G4Polycone()", "GeomSolids0002",
                     FatalErrorInArgument, message);
       }
     } 
     original_parameters->Z_values[i] = zPlane[i];
     original_parameters->Rmin[i] = rInner[i];
     original_parameters->Rmax[i] = rOuter[i];
   }
 
   //
   // Build RZ polygon using special PCON/PGON GEANT3 constructor
   //
   G4ReduciblePolygon *rz =
     new G4ReduciblePolygon( rInner, rOuter, zPlane, numZPlanes );
   
   //
   // Do the real work
   //
   Create( phiStart, phiTotal, rz );
   
   delete rz;
 }

G4Polycone::G4Polycone	(	const G4String &	name,
		G4double	phiStart,
		G4double	phiTotal,
		G4int	numRZ,
		const G4double	r[],
		const G4double	z[]
	)

Definition at line 136 of file G4Polycone.cc.

References Create(), FatalException, G4cout, G4endl, G4Exception(), G4VSolid::GetName(), and SetOriginalParameters().

   : G4VCSGfaceted( name )
 { 
   
   G4ReduciblePolygon *rz = new G4ReduciblePolygon( r, z, numRZ );
   
   Create( phiStart, phiTotal, rz );
   
   // Set original_parameters struct for consistency
   //
   
   G4bool convertible=SetOriginalParameters(rz);
 
   if(!convertible)
   {
     std::ostringstream message;
     message << "Polycone " << GetName() << "cannot be converted" << G4endl
             << "to Polycone with (Rmin,Rmaz,Z) parameters!";
     G4Exception("G4Polycone::G4Polycone()", "GeomSolids0002",
                 FatalException, message, "Use G4GenericPolycone instead!");
   }
   else
   {
     G4cout << "INFO: Converting polycone " << GetName() << G4endl
            << "to optimized polycone with (Rmin,Rmaz,Z) parameters !"
            << G4endl;
   }
   delete rz;
 }

G4Polycone::~G4Polycone ( )

virtual

Definition at line 355 of file G4Polycone.cc.

References corners, enclosingCylinder, and original_parameters.

 {
   delete [] corners;
   delete original_parameters;
   delete enclosingCylinder;
 }

G4Polycone::G4Polycone ( __void__ & a )

Definition at line 344 of file G4Polycone.cc.

   : G4VCSGfaceted(a), startPhi(0.),  endPhi(0.), phiIsOpen(false),
     numCorner(0), corners(0),original_parameters(0), 
     enclosingCylinder(0)
 {
 }

G4Polycone::G4Polycone ( const G4Polycone & source )

Definition at line 366 of file G4Polycone.cc.

References CopyStuff().

   : G4VCSGfaceted( source )
 {
   CopyStuff( source );
 }

Member Function Documentation

G4VSolid * G4Polycone::Clone ( ) const

virtual

Reimplemented from G4VSolid.

Definition at line 534 of file G4Polycone.cc.

References G4Polycone().

 {
   return new G4Polycone(*this);
 }

void G4Polycone::ComputeDimensions	(	G4VPVParameterisation *	p,
		const G4int	n,
		const G4VPhysicalVolume *	pRep
	)

virtual

Reimplemented from G4VSolid.

Definition at line 516 of file G4Polycone.cc.

References G4VPVParameterisation::ComputeDimensions().

 {
   p->ComputeDimensions(*this,n,pRep);
 }

void G4Polycone::CopyStuff ( const G4Polycone & source )

protected

Definition at line 396 of file G4Polycone.cc.

References corners, enclosingCylinder, endPhi, numCorner, original_parameters, phiIsOpen, and startPhi.

Referenced by G4Polycone(), and operator=().

 {
   //
   // Simple stuff
   //
   startPhi  = source.startPhi;
   endPhi    = source.endPhi;
   phiIsOpen  = source.phiIsOpen;
   numCorner  = source.numCorner;
 
   //
   // The corner array
   //
   corners = new G4PolyconeSideRZ[numCorner];
   
   G4PolyconeSideRZ  *corn = corners,
         *sourceCorn = source.corners;
   do
   {
     *corn = *sourceCorn;
   } while( ++sourceCorn, ++corn < corners+numCorner );
   
   //
   // Original parameters
   //
   if (source.original_parameters)
   {
     original_parameters =
       new G4PolyconeHistorical( *source.original_parameters );
   }
   
   //
   // Enclosing cylinder
   //
   enclosingCylinder = new G4EnclosingCylinder( *source.enclosingCylinder );
 }

void G4Polycone::Create	(	G4double	phiStart,
		G4double	phiTotal,
		G4ReduciblePolygon *	rz
	)

protected

Definition at line 177 of file G4Polycone.cc.

References G4ReduciblePolygon::Amin(), G4ReduciblePolygon::Area(), G4ReduciblePolygonIterator::Begin(), G4ReduciblePolygon::BisectedBy(), corners, G4ReduciblePolygon::CrossesItself(), enclosingCylinder, endPhi, G4VCSGfaceted::faces, FatalErrorInArgument, G4endl, G4Exception(), G4ReduciblePolygonIterator::GetA(), G4ReduciblePolygonIterator::GetB(), G4VSolid::GetName(), G4VSolid::kCarTolerance, G4ReduciblePolygonIterator::Next(), numCorner, G4VCSGfaceted::numFace, G4ReduciblePolygon::NumVertices(), phiIsOpen, G4PolyconeSideRZ::r, G4ReduciblePolygon::RemoveDuplicateVertices(), G4ReduciblePolygon::RemoveRedundantVertices(), G4ReduciblePolygon::ReverseOrder(), startPhi, python.hepunit::twopi, and G4PolyconeSideRZ::z.

Referenced by G4Polycone(), and Reset().

 {
   //
   // Perform checks of rz values
   //
   if (rz->Amin() < 0.0)
   {
     std::ostringstream message;
     message << "Illegal input parameters - " << GetName() << G4endl
             << "        All R values must be >= 0 !";
     G4Exception("G4Polycone::Create()", "GeomSolids0002",
                 FatalErrorInArgument, message);
   }
     
   G4double rzArea = rz->Area();
   if (rzArea < -kCarTolerance)
     rz->ReverseOrder();
 
   else if (rzArea < -kCarTolerance)
   {
     std::ostringstream message;
     message << "Illegal input parameters - " << GetName() << G4endl
             << "        R/Z cross section is zero or near zero: " << rzArea;
     G4Exception("G4Polycone::Create()", "GeomSolids0002",
                 FatalErrorInArgument, message);
   }
     
   if ( (!rz->RemoveDuplicateVertices( kCarTolerance ))
     || (!rz->RemoveRedundantVertices( kCarTolerance ))     ) 
   {
     std::ostringstream message;
     message << "Illegal input parameters - " << GetName() << G4endl
             << "        Too few unique R/Z values !";
     G4Exception("G4Polycone::Create()", "GeomSolids0002",
                 FatalErrorInArgument, message);
   }
 
   if (rz->CrossesItself(1/kInfinity)) 
   {
     std::ostringstream message;
     message << "Illegal input parameters - " << GetName() << G4endl
             << "        R/Z segments cross !";
     G4Exception("G4Polycone::Create()", "GeomSolids0002",
                 FatalErrorInArgument, message);
   }
 
   numCorner = rz->NumVertices();
 
   //
   // Phi opening? Account for some possible roundoff, and interpret
   // nonsense value as representing no phi opening
   //
   if (phiTotal <= 0 || phiTotal > twopi-1E-10)
   {
     phiIsOpen = false;
     startPhi = 0;
     endPhi = twopi;
   }
   else
   {
     phiIsOpen = true;
     
     //
     // Convert phi into our convention
     //
     startPhi = phiStart;
     while( startPhi < 0 ) startPhi += twopi;
     
     endPhi = phiStart+phiTotal;
     while( endPhi < startPhi ) endPhi += twopi;
   }
   
   //
   // Allocate corner array. 
   //
   corners = new G4PolyconeSideRZ[numCorner];
 
   //
   // Copy corners
   //
   G4ReduciblePolygonIterator iterRZ(rz);
   
   G4PolyconeSideRZ *next = corners;
   iterRZ.Begin();
   do
   {
     next->r = iterRZ.GetA();
     next->z = iterRZ.GetB();
   } while( ++next, iterRZ.Next() );
   
   //
   // Allocate face pointer array
   //
   numFace = phiIsOpen ? numCorner+2 : numCorner;
   faces = new G4VCSGface*[numFace];
   
   //
   // Construct conical faces
   //
   // But! Don't construct a face if both points are at zero radius!
   //
   G4PolyconeSideRZ *corner = corners,
                    *prev = corners + numCorner-1,
                    *nextNext;
   G4VCSGface  **face = faces;
   do
   {
     next = corner+1;
     if (next >= corners+numCorner) next = corners;
     nextNext = next+1;
     if (nextNext >= corners+numCorner) nextNext = corners;
     
     if (corner->r < 1/kInfinity && next->r < 1/kInfinity) continue;
     
     //
     // We must decide here if we can dare declare one of our faces
     // as having a "valid" normal (i.e. allBehind = true). This
     // is never possible if the face faces "inward" in r.
     //
     G4bool allBehind;
     if (corner->z > next->z)
     {
       allBehind = false;
     }
     else
     {
       //
       // Otherwise, it is only true if the line passing
       // through the two points of the segment do not
       // split the r/z cross section
       //
       allBehind = !rz->BisectedBy( corner->r, corner->z,
                  next->r, next->z, kCarTolerance );
     }
     
     *face++ = new G4PolyconeSide( prev, corner, next, nextNext,
                 startPhi, endPhi-startPhi, phiIsOpen, allBehind );
   } while( prev=corner, corner=next, corner > corners );
   
   if (phiIsOpen)
   {
     //
     // Construct phi open edges
     //
     *face++ = new G4PolyPhiFace( rz, startPhi, 0, endPhi  );
     *face++ = new G4PolyPhiFace( rz, endPhi,   0, startPhi );
   }
   
   //
   // We might have dropped a face or two: recalculate numFace
   //
   numFace = face-faces;
   
   //
   // Make enclosingCylinder
   //
   enclosingCylinder =
     new G4EnclosingCylinder( rz, phiIsOpen, phiStart, phiTotal );
 }

G4Polyhedron * G4Polycone::CreatePolyhedron ( ) const

virtual

Implements G4VCSGfaceted.

Definition at line 896 of file G4Polycone.cc.

References G4PolyconeHistorical::Num_z_planes, G4PolyconeHistorical::Opening_angle, original_parameters, G4PolyconeHistorical::Rmax, G4PolyconeHistorical::Rmin, G4PolyconeHistorical::Start_angle, and G4PolyconeHistorical::Z_values.

 { 
   //
   // This has to be fixed in visualization. Fake it for the moment.
   // 
   
     return new G4PolyhedronPcon( original_parameters->Start_angle,
                                  original_parameters->Opening_angle,
                                  original_parameters->Num_z_planes,
                                  original_parameters->Z_values,
                                  original_parameters->Rmin,
                                  original_parameters->Rmax );
 }

G4double G4Polycone::DistanceToIn	(	const G4ThreeVector &	p,
		const G4ThreeVector &	v
	)		const

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 488 of file G4Polycone.cc.

References G4VCSGfaceted::DistanceToIn(), enclosingCylinder, and G4EnclosingCylinder::ShouldMiss().

 {
   //
   // Quick test
   //
   if (enclosingCylinder->ShouldMiss(p,v))
     return kInfinity;
   
   //
   // Long answer
   //
   return G4VCSGfaceted::DistanceToIn( p, v );
 }

G4double G4Polycone::DistanceToIn ( const G4ThreeVector & p ) const

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 507 of file G4Polycone.cc.

References G4VCSGfaceted::DistanceToIn().

 {
   return G4VCSGfaceted::DistanceToIn(p);
 }

G4PolyconeSideRZ G4Polycone::GetCorner ( G4int index ) const

inline

Referenced by G4tgbGeometryDumper::GetSolidParams().

G4double G4Polycone::GetEndPhi ( ) const

inline

Referenced by G4tgbVolume::BuildSolidForDivision(), export_G4Polycone(), G4ParameterisationPolyconePhi::G4ParameterisationPolyconePhi(), G4VParameterisationPolycone::G4VParameterisationPolycone(), and G4ParameterisationPolyconePhi::GetMaxParameter().

G4GeometryType G4Polycone::GetEntityType ( ) const

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 526 of file G4Polycone.cc.

 {
   return G4String("G4Polycone");
 }

G4int G4Polycone::GetNumRZCorner ( ) const

inline

Referenced by export_G4Polycone(), and G4tgbGeometryDumper::GetSolidParams().

G4PolyconeHistorical* G4Polycone::GetOriginalParameters ( ) const

inline

Referenced by G4tgbVolume::BuildSolidForDivision(), G4ParameterisationPolyconeRho::ComputeDimensions(), G4ParameterisationPolyconePhi::ComputeDimensions(), G4ParameterisationPolyconeRho::G4ParameterisationPolyconeRho(), G4VParameterisationPolycone::G4VParameterisationPolycone(), G4ParameterisationPolyconeRho::GetMaxParameter(), G4tgbGeometryDumper::GetSolidParams(), G4GDMLWriteParamvol::Polycone_dimensionsWrite(), and G4GDMLWriteSolids::PolyconeWrite().

G4ThreeVector G4Polycone::GetPointOnCone	(	G4double	fRmin1,
		G4double	fRmax1,
		G4double	fRmin2,
		G4double	fRmax2,
		G4double	zOne,
		G4double	zTwo,
		G4double &	totArea
	)		const

protected

Definition at line 594 of file G4Polycone.cc.

References endPhi, G4INCL::DeJongSpin::shoot(), sqr(), startPhi, and python.hepunit::twopi.

Referenced by GetPointOnCut().

 { 
   // declare working variables
   //
   G4double Aone, Atwo, Afive, phi, zRand, fDPhi, cosu, sinu;
   G4double rRand1, rmin, rmax, chose, rone, rtwo, qone, qtwo;
   G4double fDz=(zTwo-zOne)/2., afDz=std::fabs(fDz);
   G4ThreeVector point, offset=G4ThreeVector(0.,0.,0.5*(zTwo+zOne));
   fDPhi = endPhi - startPhi;
   rone = (fRmax1-fRmax2)/(2.*fDz); 
   rtwo = (fRmin1-fRmin2)/(2.*fDz);
   if(fRmax1==fRmax2){qone=0.;}
   else{
     qone = fDz*(fRmax1+fRmax2)/(fRmax1-fRmax2);
   }
   if(fRmin1==fRmin2){qtwo=0.;}
   else{
     qtwo = fDz*(fRmin1+fRmin2)/(fRmin1-fRmin2);
    }
   Aone   = 0.5*fDPhi*(fRmax2 + fRmax1)*(sqr(fRmin1-fRmin2)+sqr(zTwo-zOne));       
   Atwo   = 0.5*fDPhi*(fRmin2 + fRmin1)*(sqr(fRmax1-fRmax2)+sqr(zTwo-zOne));
   Afive  = fDz*(fRmax1-fRmin1+fRmax2-fRmin2);
   totArea = Aone+Atwo+2.*Afive;
   
   phi  = RandFlat::shoot(startPhi,endPhi);
   cosu = std::cos(phi);
   sinu = std::sin(phi);
 
 
   if( (startPhi == 0) && (endPhi == twopi) ) { Afive = 0; }
   chose = RandFlat::shoot(0.,Aone+Atwo+2.*Afive);
   if( (chose >= 0) && (chose < Aone) )
   {
     if(fRmax1 != fRmax2)
     {
       zRand = RandFlat::shoot(-1.*afDz,afDz); 
       point = G4ThreeVector (rone*cosu*(qone-zRand),
                              rone*sinu*(qone-zRand), zRand);
     }
     else
     {
       point = G4ThreeVector(fRmax1*cosu, fRmax1*sinu,
                             RandFlat::shoot(-1.*afDz,afDz));
      
     }
   }
   else if(chose >= Aone && chose < Aone + Atwo)
   {
     if(fRmin1 != fRmin2)
     { 
       zRand = RandFlat::shoot(-1.*afDz,afDz); 
       point = G4ThreeVector (rtwo*cosu*(qtwo-zRand),
                              rtwo*sinu*(qtwo-zRand), zRand);
       
     }
     else
     {
       point = G4ThreeVector(fRmin1*cosu, fRmin1*sinu,
                             RandFlat::shoot(-1.*afDz,afDz));
     }
   }
   else if( (chose >= Aone + Atwo + Afive) && (chose < Aone + Atwo + 2.*Afive) )
   {
     zRand  = RandFlat::shoot(-1.*afDz,afDz);
     rmin   = fRmin2-((zRand-fDz)/(2.*fDz))*(fRmin1-fRmin2);
     rmax   = fRmax2-((zRand-fDz)/(2.*fDz))*(fRmax1-fRmax2);
     rRand1 = std::sqrt(RandFlat::shoot()*(sqr(rmax)-sqr(rmin))+sqr(rmin));
     point  = G4ThreeVector (rRand1*std::cos(startPhi),
                             rRand1*std::sin(startPhi), zRand);
   }
   else
   { 
     zRand  = RandFlat::shoot(-1.*afDz,afDz); 
     rmin   = fRmin2-((zRand-fDz)/(2.*fDz))*(fRmin1-fRmin2);
     rmax   = fRmax2-((zRand-fDz)/(2.*fDz))*(fRmax1-fRmax2);
     rRand1 = std::sqrt(RandFlat::shoot()*(sqr(rmax)-sqr(rmin))+sqr(rmin));
     point  = G4ThreeVector (rRand1*std::cos(endPhi),
                             rRand1*std::sin(endPhi), zRand);
    
   }
   
   return point+offset;
 }

G4ThreeVector G4Polycone::GetPointOnCut	(	G4double	fRMin1,
		G4double	fRMax1,
		G4double	fRMin2,
		G4double	fRMax2,
		G4double	zOne,
		G4double	zTwo,
		G4double &	totArea
	)		const

protected

Definition at line 789 of file G4Polycone.cc.

References GetPointOnCone(), GetPointOnRing(), and GetPointOnTubs().

Referenced by GetPointOnSurface().

 {   if(zOne==zTwo)
     {
       return GetPointOnRing(fRMin1, fRMax1,fRMin2,fRMax2,zOne);
     }
     if( (fRMin1 == fRMin2) && (fRMax1 == fRMax2) )
     {
       return GetPointOnTubs(fRMin1, fRMax1,zOne,zTwo,totArea);
     }
     return GetPointOnCone(fRMin1,fRMax1,fRMin2,fRMax2,zOne,zTwo,totArea);
 }

G4ThreeVector G4Polycone::GetPointOnRing	(	G4double	fRMin,
		G4double	fRMax,
		G4double	fRMin2,
		G4double	fRMax2,
		G4double	zOne
	)		const

protected

Definition at line 746 of file G4Polycone.cc.

References endPhi, G4INCL::DeJongSpin::shoot(), and startPhi.

Referenced by GetPointOnCut().

 {
   G4double xRand,yRand,phi,cosphi,sinphi,rRand1,rRand2,A1,Atot,rCh;
   phi    = RandFlat::shoot(startPhi,endPhi);
   cosphi = std::cos(phi);
   sinphi = std::sin(phi);
 
   if(fRMin1==fRMin2)
   {
     rRand1 = fRMin1; A1=0.;
   }
   else
   {
     rRand1 = RandFlat::shoot(fRMin1,fRMin2);
     A1=std::fabs(fRMin2*fRMin2-fRMin1*fRMin1);
   }
   if(fRMax1==fRMax2)
   {
     rRand2=fRMax1; Atot=A1;
   }
   else
   {
     rRand2 = RandFlat::shoot(fRMax1,fRMax2);
     Atot   = A1+std::fabs(fRMax2*fRMax2-fRMax1*fRMax1);
   }
   rCh   = RandFlat::shoot(0.,Atot);
  
   if(rCh>A1) { rRand1=rRand2; }
   
   xRand = rRand1*cosphi;
   yRand = rRand1*sinphi;
 
   return G4ThreeVector(xRand, yRand, zOne);
 }

G4ThreeVector G4Polycone::GetPointOnSurface ( ) const

virtual

Reimplemented from G4VSolid.

Definition at line 808 of file G4Polycone.cc.

References endPhi, GetPointOnCut(), G4PolyconeHistorical::Num_z_planes, original_parameters, python.hepunit::pi, G4PolyconeHistorical::Rmax, G4PolyconeHistorical::Rmin, G4INCL::DeJongSpin::shoot(), sqr(), startPhi, python.hepunit::twopi, and G4PolyconeHistorical::Z_values.

 {
     G4double Area=0,totArea=0,Achose1=0,Achose2=0,phi,cosphi,sinphi,rRand;
     G4int i=0;
     G4int numPlanes = original_parameters->Num_z_planes;
   
     phi = RandFlat::shoot(startPhi,endPhi);
     cosphi = std::cos(phi);
     sinphi = std::sin(phi);
 
     rRand = original_parameters->Rmin[0] +
       ( (original_parameters->Rmax[0]-original_parameters->Rmin[0])
         * std::sqrt(RandFlat::shoot()) );
 
     std::vector<G4double> areas;       // (numPlanes+1);
     std::vector<G4ThreeVector> points; // (numPlanes-1);
   
     areas.push_back(pi*(sqr(original_parameters->Rmax[0])
                        -sqr(original_parameters->Rmin[0])));
 
     for(i=0; i<numPlanes-1; i++)
     {
       Area = (original_parameters->Rmin[i]+original_parameters->Rmin[i+1])
            * std::sqrt(sqr(original_parameters->Rmin[i]
                       -original_parameters->Rmin[i+1])+
                        sqr(original_parameters->Z_values[i+1]
                       -original_parameters->Z_values[i]));
 
       Area += (original_parameters->Rmax[i]+original_parameters->Rmax[i+1])
             * std::sqrt(sqr(original_parameters->Rmax[i]
                        -original_parameters->Rmax[i+1])+
                         sqr(original_parameters->Z_values[i+1]
                        -original_parameters->Z_values[i]));
 
       Area *= 0.5*(endPhi-startPhi);
     
       if(startPhi==0.&& endPhi == twopi)
       {
         Area += std::fabs(original_parameters->Z_values[i+1]
                          -original_parameters->Z_values[i])*
                          (original_parameters->Rmax[i]
                          +original_parameters->Rmax[i+1]
                          -original_parameters->Rmin[i]
                          -original_parameters->Rmin[i+1]);
       }
       areas.push_back(Area);
       totArea += Area;
     }
   
     areas.push_back(pi*(sqr(original_parameters->Rmax[numPlanes-1])-
                         sqr(original_parameters->Rmin[numPlanes-1])));
   
     totArea += (areas[0]+areas[numPlanes]);
     G4double chose = RandFlat::shoot(0.,totArea);
 
     if( (chose>=0.) && (chose<areas[0]) )
     {
       return G4ThreeVector(rRand*cosphi, rRand*sinphi,
                            original_parameters->Z_values[0]);
     }
   
     for (i=0; i<numPlanes-1; i++)
     {
       Achose1 += areas[i];
       Achose2 = (Achose1+areas[i+1]);
       if(chose>=Achose1 && chose<Achose2)
       {
         return GetPointOnCut(original_parameters->Rmin[i],
                              original_parameters->Rmax[i],
                              original_parameters->Rmin[i+1],
                              original_parameters->Rmax[i+1],
                              original_parameters->Z_values[i],
                              original_parameters->Z_values[i+1], Area);
       }
     }
 
     rRand = original_parameters->Rmin[numPlanes-1] +
       ( (original_parameters->Rmax[numPlanes-1]-original_parameters->Rmin[numPlanes-1])
         * std::sqrt(RandFlat::shoot()) );
 
     return G4ThreeVector(rRand*cosphi,rRand*sinphi,
                          original_parameters->Z_values[numPlanes-1]);  
  
 }

G4ThreeVector G4Polycone::GetPointOnTubs	(	G4double	fRMin,
		G4double	fRMax,
		G4double	zOne,
		G4double	zTwo,
		G4double &	totArea
	)		const

protected

Definition at line 687 of file G4Polycone.cc.

References endPhi, G4INCL::DeJongSpin::shoot(), startPhi, and python.hepunit::twopi.

Referenced by GetPointOnCut().

 { 
   G4double xRand,yRand,zRand,phi,cosphi,sinphi,chose,
            aOne,aTwo,aFou,rRand,fDz,fSPhi,fDPhi;
   fDz = std::fabs(0.5*(zTwo-zOne));
   fSPhi = startPhi;
   fDPhi = endPhi-startPhi;
   
   aOne = 2.*fDz*fDPhi*fRMax;
   aTwo = 2.*fDz*fDPhi*fRMin;
   aFou = 2.*fDz*(fRMax-fRMin);
   totArea = aOne+aTwo+2.*aFou;
   phi    = RandFlat::shoot(startPhi,endPhi);
   cosphi = std::cos(phi);
   sinphi = std::sin(phi);
   rRand  = fRMin + (fRMax-fRMin)*std::sqrt(RandFlat::shoot());
  
   if(startPhi == 0 && endPhi == twopi) 
     aFou = 0;
   
   chose  = RandFlat::shoot(0.,aOne+aTwo+2.*aFou);
   if( (chose >= 0) && (chose < aOne) )
   {
     xRand = fRMax*cosphi;
     yRand = fRMax*sinphi;
     zRand = RandFlat::shoot(-1.*fDz,fDz);
     return G4ThreeVector(xRand, yRand, zRand+0.5*(zTwo+zOne));
   }
   else if( (chose >= aOne) && (chose < aOne + aTwo) )
   {
     xRand = fRMin*cosphi;
     yRand = fRMin*sinphi;
     zRand = RandFlat::shoot(-1.*fDz,fDz);
     return G4ThreeVector(xRand, yRand, zRand+0.5*(zTwo+zOne));
   }
   else if( (chose >= aOne+aTwo) && (chose <aOne+aTwo+aFou) )
   {
     xRand = rRand*std::cos(fSPhi+fDPhi);
     yRand = rRand*std::sin(fSPhi+fDPhi);
     zRand = RandFlat::shoot(-1.*fDz,fDz);
     return G4ThreeVector(xRand, yRand, zRand+0.5*(zTwo+zOne));
   }
 
   // else
 
   xRand = rRand*std::cos(fSPhi+fDPhi);
   yRand = rRand*std::sin(fSPhi+fDPhi);
   zRand = RandFlat::shoot(-1.*fDz,fDz);
   return G4ThreeVector(xRand, yRand, zRand+0.5*(zTwo+zOne));
 }

G4double G4Polycone::GetStartPhi ( ) const

inline

Referenced by G4tgbVolume::BuildSolidForDivision(), export_G4Polycone(), G4ParameterisationPolyconePhi::G4ParameterisationPolyconePhi(), G4VParameterisationPolycone::G4VParameterisationPolycone(), G4ParameterisationPolyconePhi::GetMaxParameter(), and G4tgbGeometryDumper::GetSolidParams().

EInside G4Polycone::Inside ( const G4ThreeVector & p ) const

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 468 of file G4Polycone.cc.

References enclosingCylinder, G4VCSGfaceted::Inside(), kOutside, and G4EnclosingCylinder::MustBeOutside().

 {
   //
   // Quick test
   //
   if (enclosingCylinder->MustBeOutside(p)) return kOutside;
 
   //
   // Long answer
   //
   return G4VCSGfaceted::Inside(p);
 }

G4bool G4Polycone::IsOpen ( ) const

inline

Referenced by export_G4Polycone().

const G4Polycone & G4Polycone::operator= ( const G4Polycone & source )

Definition at line 376 of file G4Polycone.cc.

References CopyStuff(), corners, enclosingCylinder, G4VCSGfaceted::operator=(), and original_parameters.

 {
   if (this == &source) return *this;
   
   G4VCSGfaceted::operator=( source );
   
   delete [] corners;
   if (original_parameters) delete original_parameters;
   
   delete enclosingCylinder;
   
   CopyStuff( source );
   
   return *this;
 }

G4bool G4Polycone::Reset ( )

Definition at line 437 of file G4Polycone.cc.

References corners, Create(), G4VCSGfaceted::DeleteStuff(), enclosingCylinder, G4PolyconeHistorical::Num_z_planes, G4PolyconeHistorical::Opening_angle, original_parameters, G4PolyconeHistorical::Rmax, G4PolyconeHistorical::Rmin, G4PolyconeHistorical::Start_angle, and G4PolyconeHistorical::Z_values.

Referenced by G4ParameterisationPolyconeRho::ComputeDimensions(), G4ParameterisationPolyconePhi::ComputeDimensions(), and G4ParameterisationPolyconeZ::ComputeDimensions().

 {
   //
   // Clear old setup
   //
   G4VCSGfaceted::DeleteStuff();
   delete [] corners;
   delete enclosingCylinder;
 
   //
   // Rebuild polycone
   //
   G4ReduciblePolygon *rz =
     new G4ReduciblePolygon( original_parameters->Rmin,
                             original_parameters->Rmax,
                             original_parameters->Z_values,
                             original_parameters->Num_z_planes );
   Create( original_parameters->Start_angle,
           original_parameters->Opening_angle, rz );
   delete rz;
 
   return 0;
 }

void G4Polycone::SetOriginalParameters ( G4PolyconeHistorical * pars )

inline

Referenced by G4ParameterisationPolyconeRho::ComputeDimensions(), G4ParameterisationPolyconePhi::ComputeDimensions(), G4ParameterisationPolyconeZ::ComputeDimensions(), and G4Polycone().

G4bool G4Polycone::SetOriginalParameters ( G4ReduciblePolygon * rz )

protected

Definition at line 910 of file G4Polycone.cc.

References G4ReduciblePolygon::Bmax(), corners, endPhi, G4endl, G4Exception(), G4VSolid::GetName(), JustWarning, G4VSolid::kCarTolerance, G4PolyconeHistorical::Num_z_planes, numCorner, G4PolyconeHistorical::Opening_angle, original_parameters, G4PolyconeSideRZ::r, G4PolyconeHistorical::Rmax, G4PolyconeHistorical::Rmin, G4PolyconeHistorical::Start_angle, startPhi, G4ReduciblePolygon::StartWithZMin(), z, G4PolyconeSideRZ::z, and G4PolyconeHistorical::Z_values.

 {
   G4int numPlanes = (G4int)numCorner;  
   G4bool isConvertible=true;
   G4double Zmax=rz->Bmax();
   rz->StartWithZMin();
 
   // Prepare vectors for storage 
   //
   std::vector<G4double> Z;
   std::vector<G4double> Rmin;
   std::vector<G4double> Rmax;
 
   G4int countPlanes=1;
   G4int icurr=0;
   G4int icurl=0;
 
   // first plane Z=Z[0]
   //
   Z.push_back(corners[0].z);
   G4double Zprev=Z[0];
   if (Zprev == corners[1].z)
   {
     Rmin.push_back(corners[0].r);  
     Rmax.push_back (corners[1].r);icurr=1; 
   }
   else if (Zprev == corners[numPlanes-1].z)
   {
     Rmin.push_back(corners[numPlanes-1].r);  
     Rmax.push_back (corners[0].r);
     icurl=numPlanes-1;  
   }
   else
   {
     Rmin.push_back(corners[0].r);  
     Rmax.push_back (corners[0].r);
   }
 
   // next planes until last
   //
   G4int inextr=0, inextl=0; 
   for (G4int i=0; i < numPlanes-2; i++)
   {
     inextr=1+icurr;
     inextl=(icurl <= 0)? numPlanes-1 : icurl-1;
 
     if((corners[inextr].z >= Zmax) & (corners[inextl].z >= Zmax))  { break; }
 
     G4double Zleft = corners[inextl].z;
     G4double Zright = corners[inextr].z;
     if(Zright>Zleft)
     {
       Z.push_back(Zleft);  
       countPlanes++;
       G4double difZr=corners[inextr].z - corners[icurr].z;
       G4double difZl=corners[inextl].z - corners[icurl].z;
 
       if(std::fabs(difZl) < kCarTolerance)
       {
         if(corners[inextl].r >= corners[icurl].r)
         {    
           Rmin.push_back(corners[icurl].r);
           Rmax.push_back(Rmax[countPlanes-2]);
           Rmax[countPlanes-2]=corners[icurl].r;
         }
         else
         {
           Rmin.push_back(corners[inextl].r);
           Rmax.push_back(corners[icurl].r);
         }
       }
       else if (difZl >= kCarTolerance)
       {
         Rmin.push_back(corners[inextl].r);
         Rmax.push_back (corners[icurr].r + (Zleft-corners[icurr].z)/difZr
                                  *(corners[inextr].r - corners[icurr].r));
       }
       else
       {
         isConvertible=false; break;
       }
       icurl=(icurl == 0)? numPlanes-1 : icurl-1;
     }
     else if(std::fabs(Zright-Zleft)<kCarTolerance)  // Zright=Zleft
     {
       Z.push_back(Zleft);  
       countPlanes++;
       icurr++;
 
       icurl=(icurl == 0)? numPlanes-1 : icurl-1;
 
       Rmin.push_back(corners[inextl].r);  
       Rmax.push_back (corners[inextr].r);
     }
     else  // Zright<Zleft
     {
       Z.push_back(Zright);  
       countPlanes++;
 
       G4double difZr=corners[inextr].z - corners[icurr].z;
       G4double difZl=corners[inextl].z - corners[icurl].z;
       if(std::fabs(difZr) < kCarTolerance)
       {
         if(corners[inextr].r >= corners[icurr].r)
         {    
           Rmin.push_back(corners[icurr].r);
           Rmax.push_back(corners[inextr].r);
         }
         else
         {
           Rmin.push_back(corners[inextr].r);
           Rmax.push_back(corners[icurr].r);
           Rmax[countPlanes-2]=corners[inextr].r;
         }
         icurr++;
       }           // plate
       else if (difZr >= kCarTolerance)
       {
         if(std::fabs(difZl)<kCarTolerance)
         {
           Rmax.push_back(corners[inextr].r);
           Rmin.push_back (corners[icurr].r); 
         } 
         else
         {
           Rmax.push_back(corners[inextr].r);
           Rmin.push_back (corners[icurl].r+(Zright-corners[icurl].z)/difZl
                                   * (corners[inextl].r - corners[icurl].r));
         }
         icurr++;
       }
       else
       {
         isConvertible=false; break;
       }
     }
   }   // end for loop
 
   // last plane Z=Zmax
   //
   Z.push_back(Zmax);
   countPlanes++;
   inextr=1+icurr;
   inextl=(icurl <= 0)? numPlanes-1 : icurl-1;
  
   if(corners[inextr].z==corners[inextl].z)
   {
     Rmax.push_back(corners[inextr].r);
     Rmin.push_back(corners[inextl].r);
   }
   else
   {
     Rmax.push_back(corners[inextr].r);
     Rmin.push_back(corners[inextl].r);
   }
 
   // Set original parameters Rmin,Rmax,Z
   //
   if(isConvertible)
   {
    original_parameters = new G4PolyconeHistorical;
    original_parameters->Z_values = new G4double[countPlanes];
    original_parameters->Rmin = new G4double[countPlanes];
    original_parameters->Rmax = new G4double[countPlanes];
   
    for(G4int j=0; j < countPlanes; j++)
    {
      original_parameters->Z_values[j] = Z[j];
      original_parameters->Rmax[j] = Rmax[j];
      original_parameters->Rmin[j] = Rmin[j];
    }
    original_parameters->Start_angle = startPhi;
    original_parameters->Opening_angle = endPhi-startPhi;
    original_parameters->Num_z_planes = countPlanes;
  
   }
   else  // Set parameters(r,z) with Rmin==0 as convention
   {
 #ifdef G4SPECSDEBUG
     std::ostringstream message;
     message << "Polycone " << GetName() << G4endl
             << "cannot be converted to Polycone with (Rmin,Rmaz,Z) parameters!";
     G4Exception("G4Polycone::SetOriginalParameters()", "GeomSolids0002",
                 JustWarning, message);
 #endif
     original_parameters = new G4PolyconeHistorical;
     original_parameters->Z_values = new G4double[numPlanes];
     original_parameters->Rmin = new G4double[numPlanes];
     original_parameters->Rmax = new G4double[numPlanes];
   
     for(G4int j=0; j < numPlanes; j++)
     {
       original_parameters->Z_values[j] = corners[j].z;
       original_parameters->Rmax[j] = corners[j].r;
       original_parameters->Rmin[j] = 0.0;
     }
     original_parameters->Start_angle = startPhi;
     original_parameters->Opening_angle = endPhi-startPhi;
     original_parameters->Num_z_planes = numPlanes;
   }
   return isConvertible;
 }

std::ostream & G4Polycone::StreamInfo ( std::ostream & os ) const

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 542 of file G4Polycone.cc.

References corners, python.hepunit::degree, endPhi, G4VSolid::GetName(), G4PolyconeHistorical::Num_z_planes, numCorner, original_parameters, G4PolyconeSideRZ::r, G4PolyconeHistorical::Rmax, G4PolyconeHistorical::Rmin, startPhi, G4PolyconeSideRZ::z, and G4PolyconeHistorical::Z_values.

 {
   G4int oldprc = os.precision(16);
   os << "-----------------------------------------------------------\n"
      << "    *** Dump for solid - " << GetName() << " ***\n"
      << "    ===================================================\n"
      << " Solid type: G4Polycone\n"
      << " Parameters: \n"
      << "    starting phi angle : " << startPhi/degree << " degrees \n"
      << "    ending phi angle   : " << endPhi/degree << " degrees \n";
   G4int i=0;
   
     G4int numPlanes = original_parameters->Num_z_planes;
     os << "    number of Z planes: " << numPlanes << "\n"
        << "              Z values: \n";
     for (i=0; i<numPlanes; i++)
     {
       os << "              Z plane " << i << ": "
          << original_parameters->Z_values[i] << "\n";
     }
     os << "              Tangent distances to inner surface (Rmin): \n";
     for (i=0; i<numPlanes; i++)
     {
       os << "              Z plane " << i << ": "
          << original_parameters->Rmin[i] << "\n";
     }
     os << "              Tangent distances to outer surface (Rmax): \n";
     for (i=0; i<numPlanes; i++)
     {
       os << "              Z plane " << i << ": "
          << original_parameters->Rmax[i] << "\n";
     }
   
   os << "    number of RZ points: " << numCorner << "\n"
      << "              RZ values (corners): \n";
      for (i=0; i<numCorner; i++)
      {
        os << "                         "
           << corners[i].r << ", " << corners[i].z << "\n";
      }
   os << "-----------------------------------------------------------\n";
   os.precision(oldprc);
 
   return os;
 }