#include <G4Trd.hh>

Inheritance diagram for G4Trd:

Public Member Functions
	G4Trd (const G4String &pName, G4double pdx1, G4double pdx2, G4double pdy1, G4double pdy2, G4double pdz)

	~G4Trd ()

G4double	GetXHalfLength1 () const

G4double	GetXHalfLength2 () const

G4double	GetYHalfLength1 () const

G4double	GetYHalfLength2 () const

G4double	GetZHalfLength () const

void	SetXHalfLength1 (G4double val)

void	SetXHalfLength2 (G4double val)

void	SetYHalfLength1 (G4double val)

void	SetYHalfLength2 (G4double val)

void	SetZHalfLength (G4double val)

void	SetAllParameters (G4double pdx1, G4double pdx2, G4double pdy1, G4double pdy2, G4double pdz)

G4double	GetCubicVolume ()

G4double	GetSurfaceArea ()

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

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

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

EInside	Inside (const G4ThreeVector &p) const

G4ThreeVector	SurfaceNormal (const G4ThreeVector &p) const

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

G4double	DistanceToIn (const G4ThreeVector &p) const

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

G4double	DistanceToOut (const G4ThreeVector &p) const

G4GeometryType	GetEntityType () const

G4ThreeVector	GetPointOnSurface () const

G4VSolid *	Clone () const

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

void	DescribeYourselfTo (G4VGraphicsScene &scene) const

G4Polyhedron *	CreatePolyhedron () const

	G4Trd (__void__ &)

	G4Trd (const G4Trd &rhs)

G4Trd &	operator= (const G4Trd &rhs)

Public Member Functions inherited from G4CSGSolid
	G4CSGSolid (const G4String &pName)

virtual	~G4CSGSolid ()

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

virtual G4Polyhedron *	GetPolyhedron () const

	G4CSGSolid (__void__ &)

	G4CSGSolid (const G4CSGSolid &rhs)

G4CSGSolid &	operator= (const G4CSGSolid &rhs)

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

Additional Inherited Members
Protected Member Functions inherited from G4CSGSolid
G4double	GetRadiusInRing (G4double rmin, G4double rmax) const

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 inherited from G4CSGSolid
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 62 of file G4Trd.hh.

Constructor & Destructor Documentation

◆ G4Trd() [1/3]

G4Trd::G4Trd	(	const G4String &	pName,
		G4double	pdx1,
		G4double	pdx2,
		G4double	pdy1,
		G4double	pdy2,
		G4double	pdz
	)

Definition at line 54 of file G4Trd.cc.

  : G4CSGSolid(pName), halfCarTolerance(0.5*kCarTolerance),
    fDx1(pdx1), fDx2(pdx2), fDy1(pdy1), fDy2(pdy2), fDz(pdz)
{
  CheckParameters();
  MakePlanes();
}

◆ ~G4Trd()

G4Trd::~G4Trd ( )

Definition at line 81 of file G4Trd.cc.

82{

83}

◆ G4Trd() [2/3]

G4Trd::G4Trd ( __void__ & a )

Definition at line 70 of file G4Trd.cc.

  : G4CSGSolid(a), halfCarTolerance(0.5*kCarTolerance),
    fDx1(1.), fDx2(1.), fDy1(1.), fDy2(1.), fDz(1.)
{
  MakePlanes();
}

◆ G4Trd() [3/3]

G4Trd::G4Trd ( const G4Trd & rhs )

Definition at line 89 of file G4Trd.cc.

  : G4CSGSolid(rhs), halfCarTolerance(rhs.halfCarTolerance),
    fDx1(rhs.fDx1), fDx2(rhs.fDx2),
    fDy1(rhs.fDy1), fDy2(rhs.fDy2), fDz(rhs.fDz),
    fHx(rhs.fHx), fHy(rhs.fHy)
{
  for (G4int i=0; i<4; ++i) { fPlanes[i] = rhs.fPlanes[i]; }
}

Member Function Documentation

◆ BoundingLimits()

void G4Trd::BoundingLimits	(	G4ThreeVector &	pMin,
		G4ThreeVector &	pMax
	)		const

virtual

Reimplemented from G4VSolid.

Definition at line 248 of file G4Trd.cc.

{
  G4double dx1 = GetXHalfLength1();
  G4double dx2 = GetXHalfLength2();
  G4double dy1 = GetYHalfLength1();
  G4double dy2 = GetYHalfLength2();
  G4double dz  = GetZHalfLength();
 
  G4double xmax = std::max(dx1,dx2);
  G4double ymax = std::max(dy1,dy2);
  pMin.set(-xmax,-ymax,-dz);
  pMax.set( xmax, ymax, dz);
 
  // 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("G4Trd::BoundingLimits()", "GeomMgt0001", JustWarning, message);
    DumpInfo();
  }
}

Referenced by CalculateExtent().

◆ CalculateExtent()

G4bool G4Trd::CalculateExtent	(	const EAxis	pAxis,
		const G4VoxelLimits &	pVoxelLimit,
		const G4AffineTransform &	pTransform,
		G4double &	pMin,
		G4double &	pMax
	)		const

virtual

Implements G4VSolid.

Definition at line 279 of file G4Trd.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;
  }
 
  // Set bounding envelope (benv) and calculate extent
  //
  G4double dx1 = GetXHalfLength1();
  G4double dx2 = GetXHalfLength2();
  G4double dy1 = GetYHalfLength1();
  G4double dy2 = GetYHalfLength2();
  G4double dz  = GetZHalfLength();
 
  G4ThreeVectorList baseA(4), baseB(4);
  baseA[0].set(-dx1,-dy1,-dz);
  baseA[1].set( dx1,-dy1,-dz);
  baseA[2].set( dx1, dy1,-dz);
  baseA[3].set(-dx1, dy1,-dz);
  baseB[0].set(-dx2,-dy2, dz);
  baseB[1].set( dx2,-dy2, dz);
  baseB[2].set( dx2, dy2, dz);
  baseB[3].set(-dx2, dy2, dz);
 
  std::vector<const G4ThreeVectorList *> polygons(2);
  polygons[0] = &baseA;
  polygons[1] = &baseB;
 
  G4BoundingEnvelope benv(bmin,bmax,polygons);
  exist = benv.CalculateExtent(pAxis,pVoxelLimit,pTransform,pMin,pMax);
  return exist;
}

◆ Clone()

G4VSolid * G4Trd::Clone ( ) const

virtual

Reimplemented from G4VSolid.

Definition at line 686 of file G4Trd.cc.

{
  return new G4Trd(*this);
}

◆ ComputeDimensions()

void G4Trd::ComputeDimensions	(	G4VPVParameterisation *	p,
		const G4int	n,
		const G4VPhysicalVolume *	pRep
	)

virtual

Reimplemented from G4VSolid.

Definition at line 237 of file G4Trd.cc.

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

◆ CreatePolyhedron()

G4Polyhedron * G4Trd::CreatePolyhedron ( ) const

virtual

Reimplemented from G4VSolid.

Definition at line 804 of file G4Trd.cc.

{
  return new G4PolyhedronTrd2 (fDx1, fDx2, fDy1, fDy2, fDz);
}

◆ DescribeYourselfTo()

void G4Trd::DescribeYourselfTo ( G4VGraphicsScene & scene ) const

virtual

Implements G4VSolid.

Definition at line 799 of file G4Trd.cc.

{
  scene.AddSolid (*this);
}

◆ DistanceToIn() [1/2]

G4double G4Trd::DistanceToIn ( const G4ThreeVector & p ) const

virtual

Implements G4VSolid.

Definition at line 545 of file G4Trd.cc.

{
  G4double dx = fPlanes[3].a*std::abs(p.x())+fPlanes[3].c*p.z()+fPlanes[3].d;
  G4double dy = fPlanes[1].b*std::abs(p.y())+fPlanes[1].c*p.z()+fPlanes[1].d;
  G4double dxy = std::max(dx,dy);
 
  G4double dz = std::abs(p.z())-fDz;
  G4double dist = std::max(dz,dxy);
 
  return (dist > 0) ? dist : 0.;
}

◆ DistanceToIn() [2/2]

G4double G4Trd::DistanceToIn	(	const G4ThreeVector &	p,
		const G4ThreeVector &	v
	)		const

virtual

Implements G4VSolid.

Definition at line 452 of file G4Trd.cc.

{
  // Z intersections
  //
  if ((std::abs(p.z()) - fDz) >= -halfCarTolerance && p.z()*v.z() >= 0)
    return kInfinity;
  G4double invz = (-v.z() == 0) ? DBL_MAX : -1./v.z();
  G4double dz = (invz < 0) ? fDz : -fDz;
  G4double tzmin = (p.z() + dz)*invz;
  G4double tzmax = (p.z() - dz)*invz;
 
  // Y intersections
  //
  G4double tmin0 = tzmin, tmax0 = tzmax;
  G4double ya = fPlanes[0].b*v.y(), yb = fPlanes[0].c*v.z();
  G4double yc = fPlanes[0].b*p.y(), yd = fPlanes[0].c*p.z()+fPlanes[0].d;
  G4double cos0 = yb + ya;
  G4double dis0 = yd + yc;
  if (dis0 >= -halfCarTolerance)
  {
    if (cos0 >= 0) return kInfinity;
    G4double tmp  = -dis0/cos0;
    if (tmin0 < tmp) tmin0 = tmp;
  }
  else if (cos0 > 0)
  {
    G4double tmp  = -dis0/cos0;
    if (tmax0 > tmp) tmax0 = tmp;
  }
 
  G4double tmin1 = tmin0, tmax1 = tmax0;
  G4double cos1 = yb - ya;
  G4double dis1 = yd - yc;
  if (dis1 >= -halfCarTolerance)
  {
    if (cos1 >= 0) return kInfinity;
    G4double tmp  = -dis1/cos1;
    if (tmin1 < tmp) tmin1 = tmp;
  }
  else if (cos1 > 0)
  {
    G4double tmp  = -dis1/cos1;
    if (tmax1 > tmp) tmax1 = tmp;
  }
 
  // X intersections
  //
  G4double tmin2 = tmin1, tmax2 = tmax1;
  G4double xa = fPlanes[2].a*v.x(), xb = fPlanes[2].c*v.z();
  G4double xc = fPlanes[2].a*p.x(), xd = fPlanes[2].c*p.z()+fPlanes[2].d;
  G4double cos2 = xb + xa;
  G4double dis2 = xd + xc;
  if (dis2 >= -halfCarTolerance)
  {
    if (cos2 >= 0) return kInfinity;
    G4double tmp  = -dis2/cos2;
    if (tmin2 < tmp) tmin2 = tmp;
  }
  else if (cos2 > 0)
  {
    G4double tmp  = -dis2/cos2;
    if (tmax2 > tmp) tmax2 = tmp;
  }
 
  G4double tmin3 = tmin2, tmax3 = tmax2;
  G4double cos3 = xb - xa;
  G4double dis3 = xd - xc;
  if (dis3 >= -halfCarTolerance)
  {
    if (cos3 >= 0) return kInfinity;
    G4double tmp  = -dis3/cos3;
    if (tmin3 < tmp) tmin3 = tmp;
  }
  else if (cos3 > 0)
  {
    G4double tmp  = -dis3/cos3;
    if (tmax3 > tmp) tmax3 = tmp;
  }
 
  // Find distance
  //
  G4double tmin = tmin3, tmax = tmax3;
  if (tmax <= tmin + halfCarTolerance) return kInfinity; // touch or no hit
  return (tmin < halfCarTolerance ) ? 0. : tmin;
}

◆ DistanceToOut() [1/2]

G4double G4Trd::DistanceToOut ( const G4ThreeVector & p ) const

virtual

Implements G4VSolid.

Definition at line 645 of file G4Trd.cc.

{
#ifdef G4CSGDEBUG
  if( Inside(p) == kOutside )
  {
    std::ostringstream message;
    G4long oldprc = message.precision(16);
    message << "Point p is outside (!?) of solid: " << GetName() << G4endl;
    message << "Position:\n";
    message << "   p.x() = " << p.x()/mm << " mm\n";
    message << "   p.y() = " << p.y()/mm << " mm\n";
    message << "   p.z() = " << p.z()/mm << " mm";
    G4cout.precision(oldprc);
    G4Exception("G4Trd::DistanceToOut(p)", "GeomSolids1002",
                JustWarning, message );
    DumpInfo();
  }
#endif
  G4double dx = fPlanes[3].a*std::abs(p.x())+fPlanes[3].c*p.z()+fPlanes[3].d;
  G4double dy = fPlanes[1].b*std::abs(p.y())+fPlanes[1].c*p.z()+fPlanes[1].d;
  G4double dxy = std::max(dx,dy);
 
  G4double dz = std::abs(p.z())-fDz;
  G4double dist = std::max(dz,dxy);
 
  return (dist < 0) ? -dist : 0.;
}

◆ DistanceToOut() [2/2]

G4double G4Trd::DistanceToOut	(	const G4ThreeVector &	p,
		const G4ThreeVector &	v,
		const G4bool	calcNorm = `false`,
		G4bool *	validNorm = `nullptr`,
		G4ThreeVector *	n = `nullptr`
	)		const

virtual

Implements G4VSolid.

Definition at line 563 of file G4Trd.cc.

{
  // Z intersections
  //
  if ((std::abs(p.z()) - fDz) >= -halfCarTolerance && p.z()*v.z() > 0)
  {
    if (calcNorm)
    {
      *validNorm = true;
      n->set(0, 0, (p.z() < 0) ? -1 : 1);
    }
    return 0;
  }
  G4double vz = v.z();
  G4double tmax = (vz == 0) ? DBL_MAX : (std::copysign(fDz,vz) - p.z())/vz;
  G4int iside = (vz < 0) ? -4 : -2; // little trick: (-4+3)=-1, (-2+3)=+1
 
  // Y intersections
  //
  G4int i = 0;
  for ( ; i<2; ++i)
  {
    G4double cosa = fPlanes[i].b*v.y() + fPlanes[i].c*v.z();
    if (cosa > 0)
    {
      G4double dist = fPlanes[i].b*p.y()+fPlanes[i].c*p.z()+fPlanes[i].d;
      if (dist >= -halfCarTolerance)
      {
        if (calcNorm)
        {
          *validNorm = true;
          n->set(0, fPlanes[i].b, fPlanes[i].c);
        }
        return 0;
      }
      G4double tmp = -dist/cosa;
      if (tmax > tmp) { tmax = tmp; iside = i; }
    }
  }
 
  // X intersections
  //
  for ( ; i<4; ++i)
  {
    G4double cosa = fPlanes[i].a*v.x()+fPlanes[i].c*v.z();
    if (cosa > 0)
    {
      G4double dist = fPlanes[i].a*p.x()+fPlanes[i].c*p.z()+fPlanes[i].d;
      if (dist >= -halfCarTolerance)
      {
        if (calcNorm)
        {
           *validNorm = true;
           n->set(fPlanes[i].a, fPlanes[i].b, fPlanes[i].c);
        }
        return 0;
      }
      G4double tmp = -dist/cosa;
      if (tmax > tmp) { tmax = tmp; iside = i; }
    }
  }
 
  // Set normal, if required, and return distance
  //
  if (calcNorm)
  {
    *validNorm = true;
    if (iside < 0)
      n->set(0, 0, iside + 3); // (-4+3)=-1, (-2+3)=+1
    else
      n->set(fPlanes[iside].a, fPlanes[iside].b, fPlanes[iside].c);
  }
  return tmax;
}

◆ GetCubicVolume()

G4double G4Trd::GetCubicVolume ( )

virtual

Reimplemented from G4VSolid.

Definition at line 208 of file G4Trd.cc.

{
  if (fCubicVolume == 0.)
  {
    fCubicVolume = 2*fDz*( (fDx1+fDx2)*(fDy1+fDy2) +
                           (fDx2-fDx1)*(fDy2-fDy1)/3 );
  }
  return fCubicVolume;
}

◆ GetEntityType()

G4GeometryType G4Trd::GetEntityType ( ) const

virtual

Implements G4VSolid.

Definition at line 677 of file G4Trd.cc.

{
  return G4String("G4Trd");
}

◆ GetPointOnSurface()

G4ThreeVector G4Trd::GetPointOnSurface ( ) const

virtual

Reimplemented from G4VSolid.

Definition at line 718 of file G4Trd.cc.

{
  // Set areas
  //
  G4double sxz = (fDx1 + fDx2)*fHx;
  G4double syz = (fDy1 + fDy2)*fHy;
  G4double ssurf[6] = { 4.*fDx1*fDy1, sxz, sxz, syz, syz, 4.*fDx2*fDy2 };
  ssurf[1] += ssurf[0];
  ssurf[2] += ssurf[1];
  ssurf[3] += ssurf[2];
  ssurf[4] += ssurf[3];
  ssurf[5] += ssurf[4];
 
  // Select face
  //
  G4double select = ssurf[5]*G4QuickRand();
  G4int k = 5;
  k -= (select <= ssurf[4]);
  k -= (select <= ssurf[3]);
  k -= (select <= ssurf[2]);
  k -= (select <= ssurf[1]);
  k -= (select <= ssurf[0]);
 
  // Generate point on selected surface
  //
  G4double u = G4QuickRand();
  G4double v = G4QuickRand();
  switch(k)
  {
    case 0: // base at -Z
    {
      return G4ThreeVector((2.*u - 1.)*fDx1, (2.*v - 1.)*fDy1, -fDz);
    }
    case 1: // X face at -Y
    {
      if (u + v > 1.) { u = 1. - u; v = 1. - v; }
      G4ThreeVector p0(-fDx1,-fDy1,-fDz);
      G4ThreeVector p1( fDx2,-fDy2, fDz);
      return (select <= ssurf[0] + fDx1*fHx) ?
        (1. - u - v)*p0 + u*p1 + v*G4ThreeVector( fDx1,-fDy1,-fDz) :
        (1. - u - v)*p0 + u*p1 + v*G4ThreeVector(-fDx2,-fDy2, fDz);
    }
    case 2: // X face at +Y
    {
      if (u + v > 1.) { u = 1. - u; v = 1. - v; }
      G4ThreeVector p0( fDx1, fDy1,-fDz);
      G4ThreeVector p1(-fDx2, fDy2, fDz);
      return (select <= ssurf[1] + fDx1*fHx) ?
        (1. - u - v)*p0 + u*p1 + v*G4ThreeVector(-fDx1, fDy1,-fDz) :
        (1. - u - v)*p0 + u*p1 + v*G4ThreeVector( fDx2, fDy2, fDz);
    }
    case 3: // Y face at -X
    {
      if (u + v > 1.) { u = 1. - u; v = 1. - v; }
      G4ThreeVector p0(-fDx1, fDy1,-fDz);
      G4ThreeVector p1(-fDx2,-fDy2, fDz);
      return (select <= ssurf[2] + fDy1*fHy) ?
        (1. - u - v)*p0 + u*p1 + v*G4ThreeVector(-fDx1,-fDy1,-fDz) :
        (1. - u - v)*p0 + u*p1 + v*G4ThreeVector(-fDx2, fDy2, fDz);
    }
    case 4: // Y face at +X
    {
      if (u + v > 1.) { u = 1. - u; v = 1. - v; }
      G4ThreeVector p0( fDx1,-fDy1,-fDz);
      G4ThreeVector p1( fDx2, fDy2, fDz);
      return (select <= ssurf[3] + fDy1*fHy) ?
        (1. - u - v)*p0 + u*p1 + v*G4ThreeVector( fDx1, fDy1,-fDz) :
        (1. - u - v)*p0 + u*p1 + v*G4ThreeVector( fDx2,-fDy2, fDz);
    }
    case 5: // base at +Z
    {
      return G4ThreeVector((2.*u - 1.)*fDx2, (2.*v - 1.)*fDy2, fDz);
    }
  }
  return G4ThreeVector(0., 0., 0.);
}

◆ GetSurfaceArea()

G4double G4Trd::GetSurfaceArea ( )

virtual

Reimplemented from G4VSolid.

Definition at line 222 of file G4Trd.cc.

{
  if (fSurfaceArea == 0.)
  {
    fSurfaceArea =
      4*(fDx1*fDy1 + fDx2*fDy2) + 2*(fDx1+fDx2)*fHx + 2*(fDy1+fDy2)*fHy;
  }
  return fSurfaceArea;
}

◆ GetXHalfLength1()

G4double G4Trd::GetXHalfLength1 ( ) const

inline

Referenced by G4HepRepFileSceneHandler::AddSolid(), BoundingLimits(), G4tgbVolume::BuildSolidForDivision(), CalculateExtent(), G4ParameterisationTrdX::ComputeDimensions(), G4ParameterisationTrdY::ComputeDimensions(), G4ParameterisationTrdZ::ComputeDimensions(), G4ParameterisationTrdX::ComputeTransformation(), G4ParameterisationTrdX::G4ParameterisationTrdX(), G4VParameterisationTrd::G4VParameterisationTrd(), G4ParameterisationTrdX::GetMaxParameter(), G4tgbGeometryDumper::GetSolidParams(), G4GDMLWriteParamvol::Trd_dimensionsWrite(), and G4GDMLWriteSolids::TrdWrite().

◆ GetXHalfLength2()

G4double G4Trd::GetXHalfLength2 ( ) const

inline

Referenced by G4HepRepFileSceneHandler::AddSolid(), BoundingLimits(), G4tgbVolume::BuildSolidForDivision(), CalculateExtent(), G4ParameterisationTrdX::ComputeDimensions(), G4ParameterisationTrdY::ComputeDimensions(), G4ParameterisationTrdZ::ComputeDimensions(), G4ParameterisationTrdX::ComputeTransformation(), G4ParameterisationTrdX::G4ParameterisationTrdX(), G4VParameterisationTrd::G4VParameterisationTrd(), G4ParameterisationTrdX::GetMaxParameter(), G4tgbGeometryDumper::GetSolidParams(), G4GDMLWriteParamvol::Trd_dimensionsWrite(), and G4GDMLWriteSolids::TrdWrite().

◆ GetYHalfLength1()

G4double G4Trd::GetYHalfLength1 ( ) const

inline

Referenced by G4HepRepFileSceneHandler::AddSolid(), BoundingLimits(), G4tgbVolume::BuildSolidForDivision(), CalculateExtent(), G4ParameterisationTrdY::ComputeDimensions(), G4ParameterisationTrdX::ComputeDimensions(), G4ParameterisationTrdZ::ComputeDimensions(), G4ParameterisationTrdY::ComputeTransformation(), G4ParameterisationTrdY::G4ParameterisationTrdY(), G4VParameterisationTrd::G4VParameterisationTrd(), G4ParameterisationTrdY::GetMaxParameter(), G4tgbGeometryDumper::GetSolidParams(), G4GDMLWriteParamvol::Trd_dimensionsWrite(), and G4GDMLWriteSolids::TrdWrite().

◆ GetYHalfLength2()

G4double G4Trd::GetYHalfLength2 ( ) const

inline

Referenced by G4HepRepFileSceneHandler::AddSolid(), BoundingLimits(), G4tgbVolume::BuildSolidForDivision(), CalculateExtent(), G4ParameterisationTrdY::ComputeDimensions(), G4ParameterisationTrdX::ComputeDimensions(), G4ParameterisationTrdZ::ComputeDimensions(), G4ParameterisationTrdY::ComputeTransformation(), G4VParameterisationTrd::G4VParameterisationTrd(), G4ParameterisationTrdY::GetMaxParameter(), G4tgbGeometryDumper::GetSolidParams(), G4GDMLWriteParamvol::Trd_dimensionsWrite(), and G4GDMLWriteSolids::TrdWrite().

◆ GetZHalfLength()

G4double G4Trd::GetZHalfLength ( ) const

inline

Referenced by G4HepRepFileSceneHandler::AddSolid(), BoundingLimits(), G4tgbVolume::BuildSolidForDivision(), CalculateExtent(), G4ParameterisationTrdX::ComputeDimensions(), G4ParameterisationTrdY::ComputeDimensions(), G4ParameterisationTrdZ::ComputeDimensions(), G4ParameterisationTrdZ::ComputeTransformation(), G4ParameterisationTrdZ::G4ParameterisationTrdZ(), G4VParameterisationTrd::G4VParameterisationTrd(), G4ParameterisationTrdZ::GetMaxParameter(), G4tgbGeometryDumper::GetSolidParams(), G4GDMLWriteParamvol::Trd_dimensionsWrite(), and G4GDMLWriteSolids::TrdWrite().

◆ Inside()

EInside G4Trd::Inside ( const G4ThreeVector & p ) const

virtual

Implements G4VSolid.

Definition at line 330 of file G4Trd.cc.

{
  G4double dx = fPlanes[3].a*std::abs(p.x())+fPlanes[3].c*p.z()+fPlanes[3].d;
  G4double dy = fPlanes[1].b*std::abs(p.y())+fPlanes[1].c*p.z()+fPlanes[1].d;
  G4double dxy = std::max(dx,dy);
 
  G4double dz = std::abs(p.z())-fDz;
  G4double dist = std::max(dz,dxy);
 
  return (dist > halfCarTolerance) ? kOutside :
    ((dist > -halfCarTolerance) ? kSurface : kInside);
}

Referenced by DistanceToOut().

◆ operator=()

G4Trd & G4Trd::operator= ( const G4Trd & rhs )

Definition at line 102 of file G4Trd.cc.

{
   // Check assignment to self
   //
   if (this == &rhs)  { return *this; }
 
   // Copy base class data
   //
   G4CSGSolid::operator=(rhs);
 
   // Copy data
   //
   halfCarTolerance = rhs.halfCarTolerance;
   fDx1 = rhs.fDx1; fDx2 = rhs.fDx2;
   fDy1 = rhs.fDy1; fDy2 = rhs.fDy2;
   fDz = rhs.fDz;
   fHx = rhs.fHx; fHy = rhs.fHy;
   for (G4int i=0; i<4; ++i) { fPlanes[i] = rhs.fPlanes[i]; }
 
   return *this;
}

◆ SetAllParameters()

void G4Trd::SetAllParameters	(	G4double	pdx1,
		G4double	pdx2,
		G4double	pdy1,
		G4double	pdy2,
		G4double	pdz
	)

Definition at line 128 of file G4Trd.cc.

{
  // Reset data of the base class
  fCubicVolume = 0.;
  fSurfaceArea = 0.;
  fRebuildPolyhedron = true;
 
  // Set parameters
  fDx1 = pdx1; fDx2 = pdx2;
  fDy1 = pdy1; fDy2 = pdy2;
  fDz  = pdz;
 
  CheckParameters();
  MakePlanes();
}

Referenced by G4ParameterisationTrdX::ComputeDimensions(), G4ParameterisationTrdY::ComputeDimensions(), and G4ParameterisationTrdZ::ComputeDimensions().

◆ SetXHalfLength1()

void G4Trd::SetXHalfLength1 ( G4double val )

inline

◆ SetXHalfLength2()

void G4Trd::SetXHalfLength2 ( G4double val )

inline

◆ SetYHalfLength1()

void G4Trd::SetYHalfLength1 ( G4double val )

inline

◆ SetYHalfLength2()

void G4Trd::SetYHalfLength2 ( G4double val )

inline

◆ SetZHalfLength()

void G4Trd::SetZHalfLength ( G4double val )

inline

◆ StreamInfo()

std::ostream & G4Trd::StreamInfo ( std::ostream & os ) const

virtual

Reimplemented from G4CSGSolid.

Definition at line 695 of file G4Trd.cc.

{
  G4long oldprc = os.precision(16);
  os << "-----------------------------------------------------------\n"
     << "    *** Dump for solid - " << GetName() << " ***\n"
     << "    ===================================================\n"
     << " Solid type: G4Trd\n"
     << " Parameters: \n"
     << "    half length X, surface -dZ: " << fDx1/mm << " mm \n"
     << "    half length X, surface +dZ: " << fDx2/mm << " mm \n"
     << "    half length Y, surface -dZ: " << fDy1/mm << " mm \n"
     << "    half length Y, surface +dZ: " << fDy2/mm << " mm \n"
     << "    half length Z             : " <<  fDz/mm << " mm \n"
     << "-----------------------------------------------------------\n";
  os.precision(oldprc);
 
  return os;
}

◆ SurfaceNormal()

G4ThreeVector G4Trd::SurfaceNormal ( const G4ThreeVector & p ) const

virtual

Implements G4VSolid.

Definition at line 347 of file G4Trd.cc.

{
  G4int nsurf = 0; // number of surfaces where p is placed
 
  // Check Z faces
  //
  G4double nz = 0;
  G4double dz = std::abs(p.z()) - fDz;
  if (std::abs(dz) <= halfCarTolerance)
  {
    nz = (p.z() < 0) ? -1 : 1;
    ++nsurf;
  }
 
  // Check Y faces
  //
  G4double ny = 0;
  G4double dy1 = fPlanes[0].b*p.y();
  G4double dy2 = fPlanes[0].c*p.z() + fPlanes[0].d;
  if (std::abs(dy2 + dy1) <= halfCarTolerance)
  {
    ny += fPlanes[0].b;
    nz += fPlanes[0].c;
    ++nsurf;
  }
  if (std::abs(dy2 - dy1) <= halfCarTolerance)
  {
    ny += fPlanes[1].b;
    nz += fPlanes[1].c;
    ++nsurf;
  }
 
  // Check X faces
  //
  G4double nx = 0;
  G4double dx1 = fPlanes[2].a*p.x();
  G4double dx2 = fPlanes[2].c*p.z() + fPlanes[2].d;
  if (std::abs(dx2 + dx1) <= halfCarTolerance)
  {
    nx += fPlanes[2].a;
    nz += fPlanes[2].c;
    ++nsurf;
  }
  if (std::abs(dx2 - dx1) <= halfCarTolerance)
  {
    nx += fPlanes[3].a;
    nz += fPlanes[3].c;
    ++nsurf;
  }
 
  // Return normal
  //
  if (nsurf == 1)      return G4ThreeVector(nx,ny,nz);
  else if (nsurf != 0) return G4ThreeVector(nx,ny,nz).unit(); // edge or corner
  else
  {
    // Point is not on the surface
    //
#ifdef G4CSGDEBUG
    std::ostringstream message;
    G4long oldprc = message.precision(16);
    message << "Point p is not on surface (!?) of solid: "
            << GetName() << G4endl;
    message << "Position:\n";
    message << "   p.x() = " << p.x()/mm << " mm\n";
    message << "   p.y() = " << p.y()/mm << " mm\n";
    message << "   p.z() = " << p.z()/mm << " mm";
    G4cout.precision(oldprc) ;
    G4Exception("G4Trd::SurfaceNormal(p)", "GeomSolids1002",
                JustWarning, message );
    DumpInfo();
#endif
    return ApproxSurfaceNormal(p);
  }
}

Member Data Documentation

◆ a

G4double G4Trd::a

Definition at line 170 of file G4Trd.hh.

Referenced by DistanceToOut().

◆ b

G4double G4Trd::b

Definition at line 170 of file G4Trd.hh.

Referenced by DistanceToOut().

◆ c

G4double G4Trd::c

Definition at line 170 of file G4Trd.hh.

Referenced by DistanceToOut().

◆ d

G4double G4Trd::d

Definition at line 170 of file G4Trd.hh.

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

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ G4Trd() [1/3]

◆ ~G4Trd()

◆ G4Trd() [2/3]

◆ G4Trd() [3/3]

Member Function Documentation

◆ BoundingLimits()

◆ CalculateExtent()

◆ Clone()

◆ ComputeDimensions()

◆ CreatePolyhedron()

◆ DescribeYourselfTo()

◆ DistanceToIn() [1/2]

◆ DistanceToIn() [2/2]

◆ DistanceToOut() [1/2]

◆ DistanceToOut() [2/2]

◆ GetCubicVolume()

◆ GetEntityType()

◆ GetPointOnSurface()

◆ GetSurfaceArea()

◆ GetXHalfLength1()

◆ GetXHalfLength2()

◆ GetYHalfLength1()

◆ GetYHalfLength2()

◆ GetZHalfLength()

◆ Inside()

◆ operator=()

◆ SetAllParameters()

◆ SetXHalfLength1()

◆ SetXHalfLength2()

◆ SetYHalfLength1()

◆ SetYHalfLength2()

◆ SetZHalfLength()

◆ StreamInfo()

◆ SurfaceNormal()

Member Data Documentation

◆ a

◆ b

◆ c

◆ d