#include <G4Polyhedra.hh>

Inheritance diagram for G4Polyhedra:

Classes
struct	surface_element

Public Member Functions
	G4Polyhedra (const G4String &name, G4double phiStart, G4double phiTotal, G4int numSide, G4int numZPlanes, const G4double zPlane[], const G4double rInner[], const G4double rOuter[])

	G4Polyhedra (const G4String &name, G4double phiStart, G4double phiTotal, G4int numSide, G4int numRZ, const G4double r[], const G4double z[])

virtual	~G4Polyhedra ()

EInside	Inside (const G4ThreeVector &p) const

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

G4double	DistanceToIn (const G4ThreeVector &p) const

void	BoundingLimits (G4ThreeVector &pMin, G4ThreeVector &pMax) const

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

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

G4GeometryType	GetEntityType () const

G4VSolid *	Clone () const

G4double	GetCubicVolume ()

G4double	GetSurfaceArea ()

G4ThreeVector	GetPointOnSurface () const

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

G4Polyhedron *	CreatePolyhedron () const

G4bool	Reset ()

G4int	GetNumSide () const

G4double	GetStartPhi () const

G4double	GetEndPhi () const

G4double	GetSinStartPhi () const

G4double	GetCosStartPhi () const

G4double	GetSinEndPhi () const

G4double	GetCosEndPhi () const

G4bool	IsOpen () const

G4bool	IsGeneric () const

G4int	GetNumRZCorner () const

G4PolyhedraSideRZ	GetCorner (const G4int index) const

G4PolyhedraHistorical *	GetOriginalParameters () const

void	SetOriginalParameters (G4PolyhedraHistorical *pars)

	G4Polyhedra (__void__ &)

	G4Polyhedra (const G4Polyhedra &source)

G4Polyhedra &	operator= (const G4Polyhedra &source)

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

virtual	~G4VCSGfaceted ()

	G4VCSGfaceted (const G4VCSGfaceted &source)

G4VCSGfaceted &	operator= (const G4VCSGfaceted &source)

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

virtual EInside	Inside (const G4ThreeVector &p) const

virtual G4ThreeVector	SurfaceNormal (const G4ThreeVector &p) const

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

virtual G4double	DistanceToIn (const G4ThreeVector &p) const

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

virtual G4double	DistanceToOut (const G4ThreeVector &p) const

virtual G4GeometryType	GetEntityType () const

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

virtual G4Polyhedron *	CreatePolyhedron () const =0

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

virtual void	BoundingLimits (G4ThreeVector &pMin, G4ThreeVector &pMax) const

virtual G4bool	CalculateExtent (const EAxis pAxis, const G4VoxelLimits &pVoxelLimit, const G4AffineTransform &pTransform, G4double &pMin, G4double &pMax) const =0

virtual EInside	Inside (const G4ThreeVector &p) const =0

virtual G4ThreeVector	SurfaceNormal (const G4ThreeVector &p) const =0

virtual G4double	DistanceToIn (const G4ThreeVector &p, const G4ThreeVector &v) const =0

virtual G4double	DistanceToIn (const G4ThreeVector &p) const =0

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

virtual G4double	DistanceToOut (const G4ThreeVector &p) const =0

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

virtual G4double	GetCubicVolume ()

virtual G4double	GetSurfaceArea ()

virtual G4GeometryType	GetEntityType () const =0

virtual G4ThreeVector	GetPointOnSurface () const

virtual G4VSolid *	Clone () const

virtual std::ostream &	StreamInfo (std::ostream &os) const =0

void	DumpInfo () const

virtual void	DescribeYourselfTo (G4VGraphicsScene &scene) const =0

virtual G4VisExtent	GetExtent () const

virtual G4Polyhedron *	CreatePolyhedron () const

virtual G4Polyhedron *	GetPolyhedron () 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)

G4double	EstimateCubicVolume (G4int nStat, G4double epsilon) const

G4double	EstimateSurfaceArea (G4int nStat, G4double ell) const

Protected Member Functions
void	SetOriginalParameters (G4ReduciblePolygon *rz)

void	Create (G4double phiStart, G4double phiTotal, G4int numSide, G4ReduciblePolygon *rz)

void	CopyStuff (const G4Polyhedra &source)

void	DeleteStuff ()

void	SetSurfaceElements () 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

Protected Attributes
G4int	numSide = 0

G4double	startPhi

G4double	endPhi

G4bool	phiIsOpen = false

G4bool	genericPgon = false

G4int	numCorner = 0

G4PolyhedraSideRZ *	corners = nullptr

G4PolyhedraHistorical *	original_parameters = nullptr

G4EnclosingCylinder *	enclosingCylinder = nullptr

std::vector< surface_element > *	fElements = nullptr

Protected Attributes inherited from G4VCSGfaceted
G4int	numFace = 0

G4VCSGface **	faces = nullptr

G4double	fCubicVolume = 0.0

G4double	fSurfaceArea = 0.0

G4bool	fRebuildPolyhedron = false

G4Polyhedron *	fpPolyhedron = nullptr

Protected Attributes inherited from G4VSolid
G4double	kCarTolerance

Detailed Description

Definition at line 74 of file G4Polyhedra.hh.

Constructor & Destructor Documentation

◆ G4Polyhedra() [1/4]

G4Polyhedra::G4Polyhedra	(	const G4String &	name,
		G4double	phiStart,
		G4double	phiTotal,
		G4int	numSide,
		G4int	numZPlanes,
		const G4double	zPlane[],
		const G4double	rInner[],
		const G4double	rOuter[]
	)

Definition at line 71 of file G4Polyhedra.cc.

  : G4VCSGfaceted( name )
{
  if (theNumSide <= 0)
  {
    std::ostringstream message;
    message << "Solid must have at least one side - " << GetName() << G4endl
            << "        No sides specified !";
    G4Exception("G4Polyhedra::G4Polyhedra()", "GeomSolids0002",
                FatalErrorInArgument, message);
  }
 
  //
  // Calculate conversion factor from G3 radius to G4 radius
  //
  G4double phiTotal = thePhiTotal;
  if ( (phiTotal <=0) || (phiTotal >= twopi*(1-DBL_EPSILON)) )
    { phiTotal = twopi; }
  G4double convertRad = std::cos(0.5*phiTotal/theNumSide);
 
  //
  // Some historical stuff
  //
  original_parameters = new G4PolyhedraHistorical;
 
  original_parameters->numSide = theNumSide;
  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];
 
  for (G4int i=0; i<numZPlanes; ++i)
  {
    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 Polyhedra 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("G4Polyhedra::G4Polyhedra()", "GeomSolids0002",
                    FatalErrorInArgument, message);
      }
    }
    original_parameters->Z_values[i] = zPlane[i];
    original_parameters->Rmin[i] = rInner[i]/convertRad;
    original_parameters->Rmax[i] = rOuter[i]/convertRad;
  }
 
 
  //
  // Build RZ polygon using special PCON/PGON GEANT3 constructor
  //
  G4ReduciblePolygon* rz =
    new G4ReduciblePolygon( rInner, rOuter, zPlane, numZPlanes );
  rz->ScaleA( 1/convertRad );
 
  //
  // Do the real work
  //
  Create( phiStart, phiTotal, theNumSide, rz );
 
  delete rz;
}

◆ G4Polyhedra() [2/4]

G4Polyhedra::G4Polyhedra	(	const G4String &	name,
		G4double	phiStart,
		G4double	phiTotal,
		G4int	numSide,
		G4int	numRZ,
		const G4double	r[],
		const G4double	z[]
	)

Definition at line 154 of file G4Polyhedra.cc.

  : G4VCSGfaceted( name ), genericPgon(true)
{
  if (theNumSide <= 0)
  {
    std::ostringstream message;
    message << "Solid must have at least one side - " << GetName() << G4endl
            << "        No sides specified !";
    G4Exception("G4Polyhedra::G4Polyhedra()", "GeomSolids0002",
                FatalErrorInArgument, message);
  }
 
  G4ReduciblePolygon* rz = new G4ReduciblePolygon( r, z, numRZ );
 
  Create( phiStart, phiTotal, theNumSide, rz );
 
  // Set original_parameters struct for consistency
  //
  SetOriginalParameters(rz);
 
  delete rz;
}

◆ ~G4Polyhedra()

G4Polyhedra::~G4Polyhedra ( )

virtual

Definition at line 365 of file G4Polyhedra.cc.

{
  delete [] corners;
  delete original_parameters;
  delete enclosingCylinder;
  delete fElements;
  delete fpPolyhedron;
  corners = nullptr;
  original_parameters = nullptr;
  enclosingCylinder = nullptr;
  fElements = nullptr;
  fpPolyhedron = nullptr;
}

◆ G4Polyhedra() [3/4]

G4Polyhedra::G4Polyhedra ( __void__ & a )

Definition at line 358 of file G4Polyhedra.cc.

  : G4VCSGfaceted(a), startPhi(0.), endPhi(0.)
{
}

◆ G4Polyhedra() [4/4]

G4Polyhedra::G4Polyhedra ( const G4Polyhedra & source )

Definition at line 381 of file G4Polyhedra.cc.

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

Member Function Documentation

◆ BoundingLimits()

void G4Polyhedra::BoundingLimits	(	G4ThreeVector &	pMin,
		G4ThreeVector &	pMax
	)		const

virtual

Reimplemented from G4VSolid.

Definition at line 549 of file G4Polyhedra.cc.

{
  G4double rmin = kInfinity, rmax = -kInfinity;
  G4double zmin = kInfinity, zmax = -kInfinity;
  for (G4int i=0; i<GetNumRZCorner(); ++i)
  {
    G4PolyhedraSideRZ corner = GetCorner(i);
    if (corner.r < rmin) rmin = corner.r;
    if (corner.r > rmax) rmax = corner.r;
    if (corner.z < zmin) zmin = corner.z;
    if (corner.z > zmax) zmax = corner.z;
  }
 
  G4double sphi    = GetStartPhi();
  G4double ephi    = GetEndPhi();
  G4double dphi    = IsOpen() ? ephi-sphi : twopi;
  G4int    ksteps  = GetNumSide();
  G4double astep   = dphi/ksteps;
  G4double sinStep = std::sin(astep);
  G4double cosStep = std::cos(astep);
 
  G4double sinCur = GetSinStartPhi();
  G4double cosCur = GetCosStartPhi();
  if (!IsOpen()) rmin = 0.;
  G4double xmin = rmin*cosCur, xmax = xmin;
  G4double ymin = rmin*sinCur, ymax = ymin;
  for (G4int k=0; k<ksteps+1; ++k)
  {
    G4double x = rmax*cosCur;
    if (x < xmin) xmin = x;
    if (x > xmax) xmax = x;
    G4double y = rmax*sinCur;
    if (y < ymin) ymin = y;
    if (y > ymax) ymax = y;
    if (rmin > 0)
    {
      G4double xx = rmin*cosCur;
      if (xx < xmin) xmin = xx;
      if (xx > xmax) xmax = xx;
      G4double yy = rmin*sinCur;
      if (yy < ymin) ymin = yy;
      if (yy > ymax) ymax = yy;
    }
    G4double sinTmp = sinCur;
    sinCur = sinCur*cosStep + cosCur*sinStep;
    cosCur = cosCur*cosStep - sinTmp*sinStep;
  }
  pMin.set(xmin,ymin,zmin);
  pMax.set(xmax,ymax,zmax);
 
  // Check correctness of the bounding box
  //
  if (pMin.x() >= pMax.x() || pMin.y() >= pMax.y() || pMin.z() >= pMax.z())
  {
    std::ostringstream message;
    message << "Bad bounding box (min >= max) for solid: "
            << GetName() << " !"
            << "\npMin = " << pMin
            << "\npMax = " << pMax;
    G4Exception("G4Polyhedra::BoundingLimits()", "GeomMgt0001",
                JustWarning, message);
    DumpInfo();
  }
}

Referenced by CalculateExtent().

◆ CalculateExtent()

G4bool G4Polyhedra::CalculateExtent	(	const EAxis	pAxis,
		const G4VoxelLimits &	pVoxelLimit,
		const G4AffineTransform &	pTransform,
		G4double &	pmin,
		G4double &	pmax
	)		const

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 617 of file G4Polyhedra.cc.

{
  G4ThreeVector bmin, bmax;
  G4bool exist;
 
  // Check bounding box (bbox)
  //
  BoundingLimits(bmin,bmax);
  G4BoundingEnvelope bbox(bmin,bmax);
#ifdef G4BBOX_EXTENT
  return bbox.CalculateExtent(pAxis,pVoxelLimit,pTransform,pMin,pMax);
#endif
  if (bbox.BoundingBoxVsVoxelLimits(pAxis,pVoxelLimit,pTransform,pMin,pMax))
  {
    return exist = (pMin < pMax) ? true : false;
  }
 
  // To find the extent, RZ contour of the polycone is subdivided
  // in triangles. The extent is calculated as cumulative extent of
  // all sub-polycones formed by rotation of triangles around Z
  //
  G4TwoVectorList contourRZ;
  G4TwoVectorList triangles;
  std::vector<G4int> iout;
  G4double eminlim = pVoxelLimit.GetMinExtent(pAxis);
  G4double emaxlim = pVoxelLimit.GetMaxExtent(pAxis);
 
  // get RZ contour, ensure anticlockwise order of corners
  for (G4int i=0; i<GetNumRZCorner(); ++i)
  {
    G4PolyhedraSideRZ corner = GetCorner(i);
    contourRZ.push_back(G4TwoVector(corner.r,corner.z));
  }
  G4GeomTools::RemoveRedundantVertices(contourRZ,iout,2*kCarTolerance);
  G4double area = G4GeomTools::PolygonArea(contourRZ);
  if (area < 0.) std::reverse(contourRZ.begin(),contourRZ.end());
 
  // triangulate RZ countour
  if (!G4GeomTools::TriangulatePolygon(contourRZ,triangles))
  {
    std::ostringstream message;
    message << "Triangulation of RZ contour has failed for solid: "
            << GetName() << " !"
            << "\nExtent has been calculated using boundary box";
    G4Exception("G4Polyhedra::CalculateExtent()",
                "GeomMgt1002",JustWarning,message);
    return bbox.CalculateExtent(pAxis,pVoxelLimit,pTransform,pMin,pMax);
  }
 
  // set trigonometric values
  G4double sphi     = GetStartPhi();
  G4double ephi     = GetEndPhi();
  G4double dphi     = IsOpen() ? ephi-sphi : twopi;
  G4int    ksteps   = GetNumSide();
  G4double astep    = dphi/ksteps;
  G4double sinStep  = std::sin(astep);
  G4double cosStep  = std::cos(astep);
  G4double sinStart = GetSinStartPhi();
  G4double cosStart = GetCosStartPhi();
 
  // allocate vector lists
  std::vector<const G4ThreeVectorList *> polygons;
  polygons.resize(ksteps+1);
  for (G4int k=0; k<ksteps+1; ++k)
  {
    polygons[k] = new G4ThreeVectorList(3);
  }
 
  // main loop along triangles
  pMin =  kInfinity;
  pMax = -kInfinity;
  G4int ntria = (G4int)triangles.size()/3;
  for (G4int i=0; i<ntria; ++i)
  {
    G4double sinCur = sinStart;
    G4double cosCur = cosStart;
    G4int i3 = i*3;
    for (G4int k=0; k<ksteps+1; ++k) // rotate triangle
    {
      G4ThreeVectorList* ptr = const_cast<G4ThreeVectorList*>(polygons[k]);
      G4ThreeVectorList::iterator iter = ptr->begin();
      iter->set(triangles[i3+0].x()*cosCur,
                triangles[i3+0].x()*sinCur,
                triangles[i3+0].y());
      iter++;
      iter->set(triangles[i3+1].x()*cosCur,
                triangles[i3+1].x()*sinCur,
                triangles[i3+1].y());
      iter++;
      iter->set(triangles[i3+2].x()*cosCur,
                triangles[i3+2].x()*sinCur,
                triangles[i3+2].y());
 
      G4double sinTmp = sinCur;
      sinCur = sinCur*cosStep + cosCur*sinStep;
      cosCur = cosCur*cosStep - sinTmp*sinStep;
    }
 
    // set sub-envelope and adjust extent
    G4double emin,emax;
    G4BoundingEnvelope benv(polygons);
    if (!benv.CalculateExtent(pAxis,pVoxelLimit,pTransform,emin,emax)) continue;
    if (emin < pMin) pMin = emin;
    if (emax > pMax) pMax = emax;
    if (eminlim > pMin && emaxlim < pMax) break; // max possible extent
  }
  // free memory
  for (G4int k=0; k<ksteps+1; ++k) { delete polygons[k]; polygons[k]=0;}
  return (pMin < pMax);
}

◆ Clone()

G4VSolid * G4Polyhedra::Clone ( ) const

virtual

Reimplemented from G4VSolid.

Definition at line 749 of file G4Polyhedra.cc.

{
  return new G4Polyhedra(*this);
}

◆ ComputeDimensions()

void G4Polyhedra::ComputeDimensions	(	G4VPVParameterisation *	p,
		const G4int	n,
		const G4VPhysicalVolume *	pRep
	)

virtual

Reimplemented from G4VSolid.

Definition at line 733 of file G4Polyhedra.cc.

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

◆ CopyStuff()

void G4Polyhedra::CopyStuff ( const G4Polyhedra & source )

protected

Definition at line 406 of file G4Polyhedra.cc.

{
  //
  // Simple stuff
  //
  numSide    = source.numSide;
  startPhi   = source.startPhi;
  endPhi     = source.endPhi;
  phiIsOpen  = source.phiIsOpen;
  numCorner  = source.numCorner;
  genericPgon= source.genericPgon;
 
  //
  // The corner array
  //
  corners = new G4PolyhedraSideRZ[numCorner];
 
  G4PolyhedraSideRZ* corn = corners,
                   * sourceCorn = source.corners;
  do    // Loop checking, 13.08.2015, G.Cosmo
  {
    *corn = *sourceCorn;
  } while( ++sourceCorn, ++corn < corners+numCorner );
 
  //
  // Original parameters
  //
  if (source.original_parameters)
  {
    original_parameters =
      new G4PolyhedraHistorical( *source.original_parameters );
  }
 
  //
  // Enclosing cylinder
  //
  enclosingCylinder = new G4EnclosingCylinder( *source.enclosingCylinder );
 
  //
  // Surface elements
  //
  delete fElements;
  fElements = nullptr;
 
  //
  // Polyhedron
  //
  fRebuildPolyhedron = false;
  delete fpPolyhedron;
  fpPolyhedron = nullptr;
}

Referenced by G4Polyhedra(), and operator=().

◆ Create()

void G4Polyhedra::Create	(	G4double	phiStart,
		G4double	phiTotal,
		G4int	numSide,
		G4ReduciblePolygon *	rz
	)

protected

Definition at line 188 of file G4Polyhedra.cc.

{
  //
  // 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("G4Polyhedra::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("G4Polyhedra::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("G4Polyhedra::Create()", "GeomSolids0002",
                FatalErrorInArgument, message);
  }
 
  if (rz->CrossesItself( 1/kInfinity ))
  {
    std::ostringstream message;
    message << "Illegal input parameters - " << GetName() << G4endl
            << "        R/Z segments cross !";
    G4Exception("G4Polyhedra::Create()", "GeomSolids0002",
                FatalErrorInArgument, message);
  }
 
  numCorner = rz->NumVertices();
 
 
  startPhi = phiStart;
  while( startPhi < 0 )    // Loop checking, 13.08.2015, G.Cosmo
    startPhi += twopi;
  //
  // Phi opening? Account for some possible roundoff, and interpret
  // nonsense value as representing no phi opening
  //
  if ( (phiTotal <= 0) || (phiTotal > twopi*(1-DBL_EPSILON)) )
  {
    phiIsOpen = false;
    endPhi = startPhi + twopi;
  }
  else
  {
    phiIsOpen = true;
    endPhi = startPhi + phiTotal;
  }
 
  //
  // Save number sides
  //
  numSide = theNumSide;
 
  //
  // Allocate corner array.
  //
  corners = new G4PolyhedraSideRZ[numCorner];
 
  //
  // Copy corners
  //
  G4ReduciblePolygonIterator iterRZ(rz);
 
  G4PolyhedraSideRZ *next = corners;
  iterRZ.Begin();
  do    // Loop checking, 13.08.2015, G.Cosmo
  {
    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 side faces
  //
  // To do so properly, we need to keep track of four successive RZ
  // corners.
  //
  // But! Don't construct a face if both points are at zero radius!
  //
  G4PolyhedraSideRZ* corner = corners,
                   * prev = corners + numCorner-1,
                   * nextNext;
  G4VCSGface** face = faces;
  do    // Loop checking, 13.08.2015, G.Cosmo
  {
    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 *unless*
    // we have only one side
    //
    G4bool allBehind;
    if ((corner->z > next->z) && (numSide > 1))
    {
      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 G4PolyhedraSide( prev, corner, next, nextNext,
                 numSide, startPhi, endPhi-startPhi, phiIsOpen );
  } while( prev=corner, corner=next, corner > corners );
 
  if (phiIsOpen)
  {
    //
    // Construct phi open edges
    //
    *face++ = new G4PolyPhiFace( rz, startPhi, phiTotal/numSide, endPhi );
    *face++ = new G4PolyPhiFace( rz, endPhi,   phiTotal/numSide, startPhi );
  }
 
  //
  // We might have dropped a face or two: recalculate numFace
  //
  numFace = (G4int)(face-faces);
 
  //
  // Make enclosingCylinder
  //
  enclosingCylinder =
    new G4EnclosingCylinder( rz, phiIsOpen, phiStart, phiTotal );
}

Referenced by G4Polyhedra(), and Reset().

◆ CreatePolyhedron()

G4Polyhedron * G4Polyhedra::CreatePolyhedron ( ) const

virtual

Implements G4VCSGfaceted.

Definition at line 1031 of file G4Polyhedra.cc.

{
  std::vector<G4TwoVector> rz(numCorner);
  for (G4int i = 0; i < numCorner; ++i)
    rz[i].set(corners[i].r, corners[i].z);
  return new G4PolyhedronPgon(startPhi, endPhi - startPhi, numSide, rz);
}

◆ DeleteStuff()

void G4Polyhedra::DeleteStuff ( )

protected

◆ DistanceToIn() [1/2]

G4double G4Polyhedra::DistanceToIn ( const G4ThreeVector & p ) const

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 542 of file G4Polyhedra.cc.

{
  return G4VCSGfaceted::DistanceToIn(p);
}

◆ DistanceToIn() [2/2]

G4double G4Polyhedra::DistanceToIn	(	const G4ThreeVector &	p,
		const G4ThreeVector &	v
	)		const

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 525 of file G4Polyhedra.cc.

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

◆ GetCorner()

G4PolyhedraSideRZ G4Polyhedra::GetCorner ( const G4int index ) const

inline

Referenced by BoundingLimits(), CalculateExtent(), GetCubicVolume(), GetPointOnSurface(), G4tgbGeometryDumper::GetSolidParams(), GetSurfaceArea(), G4GDMLWriteSolids::PolyhedraWrite(), and SetSurfaceElements().

◆ GetCosEndPhi()

G4double G4Polyhedra::GetCosEndPhi ( ) const

inline

◆ GetCosStartPhi()

G4double G4Polyhedra::GetCosStartPhi ( ) const

inline

Referenced by BoundingLimits(), and CalculateExtent().

◆ GetCubicVolume()

G4double G4Polyhedra::GetCubicVolume ( )

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 808 of file G4Polyhedra.cc.

{
  if (fCubicVolume == 0.)
  {
    G4double total = 0.;
    G4int nrz = GetNumRZCorner();
    G4PolyhedraSideRZ a = GetCorner(nrz - 1);
    for (G4int i=0; i<nrz; ++i)
    {
      G4PolyhedraSideRZ b = GetCorner(i);
      total += (b.r*b.r + b.r*a.r + a.r*a.r)*(b.z - a.z);
      a = b;
    }
    fCubicVolume = std::abs(total)*
      std::sin((GetEndPhi() - GetStartPhi())/GetNumSide())*GetNumSide()/6.;
  }
  return fCubicVolume;
}

◆ GetEndPhi()

G4double G4Polyhedra::GetEndPhi ( ) const

inline

Referenced by BoundingLimits(), G4tgbVolume::BuildSolidForDivision(), CalculateExtent(), G4ParameterisationPolyhedraPhi::G4ParameterisationPolyhedraPhi(), G4VParameterisationPolyhedra::G4VParameterisationPolyhedra(), GetCubicVolume(), G4ParameterisationPolyhedraPhi::GetMaxParameter(), GetPointOnSurface(), GetSurfaceArea(), and SetSurfaceElements().

◆ GetEntityType()

G4GeometryType G4Polyhedra::GetEntityType ( ) const

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 742 of file G4Polyhedra.cc.

{
  return G4String("G4Polyhedra");
}

◆ GetNumRZCorner()

G4int G4Polyhedra::GetNumRZCorner ( ) const

inline

Referenced by BoundingLimits(), CalculateExtent(), GetCubicVolume(), GetPointOnSurface(), G4tgbGeometryDumper::GetSolidParams(), GetSurfaceArea(), G4GDMLWriteSolids::PolyhedraWrite(), and SetSurfaceElements().

◆ GetNumSide()

G4int G4Polyhedra::GetNumSide ( ) const

inline

Referenced by BoundingLimits(), G4tgbVolume::BuildSolidForDivision(), CalculateExtent(), G4ParameterisationPolyhedraPhi::G4ParameterisationPolyhedraPhi(), GetCubicVolume(), GetPointOnSurface(), G4tgbGeometryDumper::GetSolidParams(), GetSurfaceArea(), and SetSurfaceElements().

◆ GetOriginalParameters()

G4PolyhedraHistorical * G4Polyhedra::GetOriginalParameters ( ) const

inline

◆ GetPointOnSurface()

G4ThreeVector G4Polyhedra::GetPointOnSurface ( ) const

virtual

Reimplemented from G4VSolid.

Definition at line 950 of file G4Polyhedra.cc.

{
  // Set surface elements
  if (!fElements)
  {
    G4AutoLock l(&surface_elementsMutex);
    SetSurfaceElements();
    l.unlock();
  }
 
  // Select surface element
  G4Polyhedra::surface_element selem;
  selem = fElements->back();
  G4double select = selem.area*G4QuickRand();
  auto it = std::lower_bound(fElements->begin(), fElements->end(), select,
                             [](const G4Polyhedra::surface_element& x, G4double val)
                             -> G4bool { return x.area < val; });
 
  // Generate random point
  G4double x = 0, y = 0, z = 0;
  G4double u = G4QuickRand();
  G4double v = G4QuickRand();
  if (u + v > 1.) { u = 1. - u; v = 1. - v; }
  G4int i0 = (*it).i0;
  G4int i1 = (*it).i1;
  G4int i2 = (*it).i2;
  if (i2 < 0) // lateral surface
  {
    // sample point
    G4int nside = GetNumSide();
    G4double dphi = (GetEndPhi() - GetStartPhi())/nside;
    G4double cosa = std::cos(dphi);
    G4double sina = std::sin(dphi);
    G4PolyhedraSideRZ a = GetCorner(i0);
    G4PolyhedraSideRZ b = GetCorner(i1);
    G4ThreeVector p0(a.r, 0, a.z);
    G4ThreeVector p1(b.r, 0, b.z);
    G4ThreeVector p2(b.r*cosa, b.r*sina, b.z);
    if (i2 == -1) p1.set(a.r*cosa, a.r*sina, a.z);
    p0 += (p1 - p0)*u + (p2 - p0)*v;
    // find selected side and rotate point
    G4double scurr = (*it).area;
    G4double sprev = (it == fElements->begin()) ? 0. : (*(--it)).area;
    G4int iside = nside*(select - sprev)/(scurr - sprev);
    if (iside == 0 && GetStartPhi() == 0.)
    {
      x = p0.x();
      y = p0.y();
      z = p0.z();
    }
    else
    {
      if (iside == nside) --iside; // iside must be less then nside
      G4double phi = iside*dphi + GetStartPhi();
      G4double cosphi = std::cos(phi);
      G4double sinphi = std::sin(phi);
      x = p0.x()*cosphi - p0.y()*sinphi;
      y = p0.x()*sinphi + p0.y()*cosphi;
      z = p0.z();
    }
  }
  else // phi cut
  {
    G4int nrz = GetNumRZCorner();
    G4double phi = (i0 < nrz) ? GetStartPhi() : GetEndPhi();
    if (i0 >= nrz) { i0 -= nrz; }
    G4PolyhedraSideRZ p0 = GetCorner(i0);
    G4PolyhedraSideRZ p1 = GetCorner(i1);
    G4PolyhedraSideRZ p2 = GetCorner(i2);
    G4double r = (p1.r - p0.r)*u + (p2.r - p0.r)*v + p0.r;
    x = r*std::cos(phi);
    y = r*std::sin(phi);
    z = (p1.z - p0.z)*u + (p2.z - p0.z)*v + p0.z;
  }
  return G4ThreeVector(x, y, z);
}

◆ GetSinEndPhi()

G4double G4Polyhedra::GetSinEndPhi ( ) const

inline

◆ GetSinStartPhi()

G4double G4Polyhedra::GetSinStartPhi ( ) const

inline

Referenced by BoundingLimits(), and CalculateExtent().

◆ GetStartPhi()

G4double G4Polyhedra::GetStartPhi ( ) const

inline

Referenced by BoundingLimits(), G4tgbVolume::BuildSolidForDivision(), CalculateExtent(), G4ParameterisationPolyhedraPhi::G4ParameterisationPolyhedraPhi(), G4VParameterisationPolyhedra::G4VParameterisationPolyhedra(), GetCubicVolume(), G4ParameterisationPolyhedraPhi::GetMaxParameter(), GetPointOnSurface(), G4tgbGeometryDumper::GetSolidParams(), GetSurfaceArea(), and SetSurfaceElements().

◆ GetSurfaceArea()

G4double G4Polyhedra::GetSurfaceArea ( )

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 831 of file G4Polyhedra.cc.

{
  if (fSurfaceArea == 0.)
  {
    G4double total = 0.;
    G4int nrz = GetNumRZCorner();
    if (IsOpen())
    {
      G4PolyhedraSideRZ a = GetCorner(nrz - 1);
      for (G4int i=0; i<nrz; ++i)
      {
        G4PolyhedraSideRZ b = GetCorner(i);
        total += a.r*b.z - a.z*b.r;
        a = b;
      }
      total = std::abs(total);
    }
    G4double alp = (GetEndPhi() - GetStartPhi())/GetNumSide();
    G4double cosa = std::cos(alp);
    G4double sina = std::sin(alp);
    G4PolyhedraSideRZ a = GetCorner(nrz - 1);
    for (G4int i=0; i<nrz; ++i)
    {
      G4PolyhedraSideRZ b = GetCorner(i);
      G4ThreeVector p1(a.r, 0, a.z);
      G4ThreeVector p2(a.r*cosa, a.r*sina, a.z);
      G4ThreeVector p3(b.r*cosa, b.r*sina, b.z);
      G4ThreeVector p4(b.r, 0, b.z);
      total += GetNumSide()*(G4GeomTools::QuadAreaNormal(p1, p2, p3, p4)).mag();
      a = b;
    }
    fSurfaceArea = total;
  }
  return fSurfaceArea;
}

◆ Inside()

EInside G4Polyhedra::Inside ( const G4ThreeVector & p ) const

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 507 of file G4Polyhedra.cc.

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

◆ IsGeneric()

G4bool G4Polyhedra::IsGeneric ( ) const

inline

Referenced by G4VParameterisationPolyhedra::G4VParameterisationPolyhedra(), and G4GDMLWriteSolids::PolyhedraWrite().

◆ IsOpen()

G4bool G4Polyhedra::IsOpen ( ) const

inline

Referenced by BoundingLimits(), CalculateExtent(), GetSurfaceArea(), and SetSurfaceElements().

◆ operator=()

G4Polyhedra & G4Polyhedra::operator= ( const G4Polyhedra & source )

Definition at line 389 of file G4Polyhedra.cc.

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

◆ Reset()

G4bool G4Polyhedra::Reset ( )

Definition at line 463 of file G4Polyhedra.cc.

{
  if (genericPgon)
  {
    std::ostringstream message;
    message << "Solid " << GetName() << " built using generic construct."
            << G4endl << "Not applicable to the generic construct !";
    G4Exception("G4Polyhedra::Reset()", "GeomSolids1001",
                JustWarning, message, "Parameters NOT resetted.");
    return true;
  }
 
  //
  // Clear old setup
  //
  G4VCSGfaceted::DeleteStuff();
  delete [] corners;
  delete enclosingCylinder;
  delete fElements;
  corners = nullptr;
  fElements = nullptr;
  enclosingCylinder = nullptr;
 
  //
  // Rebuild polyhedra
  //
  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,
          original_parameters->numSide, rz );
  delete rz;
 
  return false;
}

Referenced by G4ParameterisationPolyhedraRho::ComputeDimensions(), G4ParameterisationPolyhedraPhi::ComputeDimensions(), and G4ParameterisationPolyhedraZ::ComputeDimensions().

◆ SetOriginalParameters() [1/2]

void G4Polyhedra::SetOriginalParameters ( G4PolyhedraHistorical * pars )

inline

Referenced by G4ParameterisationPolyhedraRho::ComputeDimensions(), G4ParameterisationPolyhedraPhi::ComputeDimensions(), G4ParameterisationPolyhedraZ::ComputeDimensions(), and G4Polyhedra().

◆ SetOriginalParameters() [2/2]

void G4Polyhedra::SetOriginalParameters ( G4ReduciblePolygon * rz )

protected

Definition at line 1041 of file G4Polyhedra.cc.

{
  G4int numPlanes = 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(std::fabs(difZr) < kCarTolerance)
        {
          Rmin.push_back(corners[inextl].r);
          Rmax.push_back(corners[icurr].r);
        }
        else
        {
          Rmin.push_back(corners[inextl].r);
          Rmax.push_back(corners[icurr].r + (Zleft-corners[icurr].z)/difZr
                                *(corners[inextr].r - corners[icurr].r));
        }
      }
      else if (difZl >= kCarTolerance)
      {
        if(std::fabs(difZr) < kCarTolerance)
        {
          Rmin.push_back(corners[icurl].r);
          Rmax.push_back(corners[icurr].r);
        }
        else
        {
          Rmin.push_back(corners[icurl].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(std::fabs(difZl) < kCarTolerance)
        {
          Rmax.push_back(corners[inextr].r);
          Rmin.push_back(corners[icurr].r);
        }
        else
        {
          Rmin.push_back(corners[icurl].r + (Zright-corners[icurl].z)/difZl
                                * (corners[inextl].r - corners[icurl].r));
          Rmax.push_back(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;
 
  Rmax.push_back(corners[inextr].r);
  Rmin.push_back(corners[inextl].r);
 
  // Set original parameters Rmin,Rmax,Z
  //
  if(isConvertible)
  {
   original_parameters = new G4PolyhedraHistorical;
   original_parameters->numSide = numSide;
   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 << "Polyhedra " << GetName() << G4endl
      << "cannot be converted to Polyhedra with (Rmin,Rmaz,Z) parameters!";
    G4Exception("G4Polyhedra::SetOriginalParameters()",
                "GeomSolids0002", JustWarning, message);
#endif
    original_parameters = new G4PolyhedraHistorical;
    original_parameters->numSide = numSide;
    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;
  }
}

◆ SetSurfaceElements()

void G4Polyhedra::SetSurfaceElements ( ) const

protected

Definition at line 872 of file G4Polyhedra.cc.

{
  fElements = new std::vector<G4Polyhedra::surface_element>;
  G4double total = 0.;
  G4int nrz = GetNumRZCorner();
 
  // set lateral surface elements
  G4double dphi = (GetEndPhi() - GetStartPhi())/GetNumSide();
  G4double cosa = std::cos(dphi);
  G4double sina = std::sin(dphi);
  G4int ia = nrz - 1;
  for (G4int ib=0; ib<nrz; ++ib)
  {
    G4PolyhedraSideRZ a = GetCorner(ia);
    G4PolyhedraSideRZ b = GetCorner(ib);
    G4Polyhedra::surface_element selem;
    selem.i0 = ia;
    selem.i1 = ib;
    ia = ib;
    if (a.r == 0. && b.r == 0.) continue;
    G4ThreeVector p1(a.r, 0, a.z);
    G4ThreeVector p2(a.r*cosa, a.r*sina, a.z);
    G4ThreeVector p3(b.r*cosa, b.r*sina, b.z);
    G4ThreeVector p4(b.r, 0, b.z);
    if (a.r > 0.)
    {
      selem.i2 = -1;
      total += GetNumSide()*(G4GeomTools::TriangleAreaNormal(p1, p2, p3)).mag();
      selem.area = total;
      fElements->push_back(selem);
    }
    if (b.r > 0.)
    {
      selem.i2 = -2;
      total += GetNumSide()*(G4GeomTools::TriangleAreaNormal(p1, p3, p4)).mag();
      selem.area = total;
      fElements->push_back(selem);
    }
  }
 
  // set elements for phi cuts
  if (IsOpen())
  {
    G4TwoVectorList contourRZ;
    std::vector<G4int> triangles;
    for (G4int i=0; i<nrz; ++i)
    {
      G4PolyhedraSideRZ corner = GetCorner(i);
      contourRZ.push_back(G4TwoVector(corner.r, corner.z));
    }
    G4GeomTools::TriangulatePolygon(contourRZ, triangles);
    G4int ntria = (G4int)triangles.size();
    for (G4int i=0; i<ntria; i+=3)
    {
      G4Polyhedra::surface_element selem;
      selem.i0 = triangles[i];
      selem.i1 = triangles[i+1];
      selem.i2 = triangles[i+2];
      G4PolyhedraSideRZ a = GetCorner(selem.i0);
      G4PolyhedraSideRZ b = GetCorner(selem.i1);
      G4PolyhedraSideRZ c = GetCorner(selem.i2);
      G4double stria =
        std::abs(G4GeomTools::TriangleArea(a.r, a.z, b.r, b.z, c.r, c.z));
      total += stria;
      selem.area = total;
      fElements->push_back(selem); // start phi
      total += stria;
      selem.area = total;
      selem.i0 += nrz;
      fElements->push_back(selem); // end phi
    }
  }
}

Referenced by GetPointOnSurface().

◆ StreamInfo()

std::ostream & G4Polyhedra::StreamInfo ( std::ostream & os ) const

virtual

Reimplemented from G4VCSGfaceted.

Definition at line 756 of file G4Polyhedra.cc.

{
  G4long oldprc = os.precision(16);
  os << "-----------------------------------------------------------\n"
     << "    *** Dump for solid - " << GetName() << " ***\n"
     << "    ===================================================\n"
     << " Solid type: G4Polyhedra\n"
     << " Parameters: \n"
     << "    starting phi angle : " << startPhi/degree << " degrees \n"
     << "    ending phi angle   : " << endPhi/degree << " degrees \n"
     << "    number of sides    : " << numSide << " \n";
  G4int i=0;
  if (!genericPgon)
  {
    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;
}

Member Data Documentation

◆ corners

G4PolyhedraSideRZ* G4Polyhedra::corners = nullptr

protected

Definition at line 188 of file G4Polyhedra.hh.

Referenced by CopyStuff(), Create(), CreatePolyhedron(), operator=(), Reset(), SetOriginalParameters(), StreamInfo(), and ~G4Polyhedra().

◆ enclosingCylinder

G4EnclosingCylinder* G4Polyhedra::enclosingCylinder = nullptr

protected

Definition at line 191 of file G4Polyhedra.hh.

Referenced by CopyStuff(), Create(), DistanceToIn(), Inside(), operator=(), Reset(), and ~G4Polyhedra().

◆ endPhi

G4double G4Polyhedra::endPhi

protected

Definition at line 184 of file G4Polyhedra.hh.

Referenced by CopyStuff(), Create(), CreatePolyhedron(), SetOriginalParameters(), and StreamInfo().

◆ fElements

std::vector<surface_element>* G4Polyhedra::fElements = nullptr

mutableprotected

Definition at line 194 of file G4Polyhedra.hh.

Referenced by CopyStuff(), GetPointOnSurface(), Reset(), SetSurfaceElements(), and ~G4Polyhedra().

◆ genericPgon

G4bool G4Polyhedra::genericPgon = false

protected

Definition at line 186 of file G4Polyhedra.hh.

Referenced by CopyStuff(), Reset(), and StreamInfo().

◆ numCorner

G4int G4Polyhedra::numCorner = 0

protected

Definition at line 187 of file G4Polyhedra.hh.

Referenced by CopyStuff(), Create(), CreatePolyhedron(), SetOriginalParameters(), and StreamInfo().

◆ numSide

G4int G4Polyhedra::numSide = 0

protected

Definition at line 182 of file G4Polyhedra.hh.

Referenced by CopyStuff(), Create(), CreatePolyhedron(), SetOriginalParameters(), and StreamInfo().

◆ original_parameters

G4PolyhedraHistorical* G4Polyhedra::original_parameters = nullptr

protected

Definition at line 189 of file G4Polyhedra.hh.

Referenced by CopyStuff(), G4Polyhedra(), operator=(), Reset(), SetOriginalParameters(), StreamInfo(), and ~G4Polyhedra().

◆ phiIsOpen

G4bool G4Polyhedra::phiIsOpen = false

protected

Definition at line 185 of file G4Polyhedra.hh.

Referenced by CopyStuff(), and Create().

◆ startPhi

G4double G4Polyhedra::startPhi

protected

Definition at line 183 of file G4Polyhedra.hh.

Referenced by CopyStuff(), Create(), CreatePolyhedron(), SetOriginalParameters(), and StreamInfo().

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

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ G4Polyhedra() [1/4]

◆ G4Polyhedra() [2/4]

◆ ~G4Polyhedra()

◆ G4Polyhedra() [3/4]

◆ G4Polyhedra() [4/4]

Member Function Documentation

◆ BoundingLimits()

◆ CalculateExtent()

◆ Clone()

◆ ComputeDimensions()

◆ CopyStuff()

◆ Create()

◆ CreatePolyhedron()

◆ DeleteStuff()

◆ DistanceToIn() [1/2]

◆ DistanceToIn() [2/2]

◆ GetCorner()

◆ GetCosEndPhi()

◆ GetCosStartPhi()

◆ GetCubicVolume()

◆ GetEndPhi()

◆ GetEntityType()

◆ GetNumRZCorner()

◆ GetNumSide()

◆ GetOriginalParameters()

◆ GetPointOnSurface()

◆ GetSinEndPhi()

◆ GetSinStartPhi()

◆ GetStartPhi()

◆ GetSurfaceArea()

◆ Inside()

◆ IsGeneric()

◆ IsOpen()

◆ operator=()

◆ Reset()

◆ SetOriginalParameters() [1/2]

◆ SetOriginalParameters() [2/2]

◆ SetSurfaceElements()

◆ StreamInfo()

Member Data Documentation

◆ corners

◆ enclosingCylinder

◆ endPhi

◆ fElements

◆ genericPgon

◆ numCorner

◆ numSide

◆ original_parameters

◆ phiIsOpen

◆ startPhi