#include <geant4/tree/geant4-10.6-release/source/geometry/management/include/G4GeomTools.hh>

Static Public Member Functions
static G4double	TriangleArea (G4double Ax, G4double Ay, G4double Bx, G4double By, G4double Cx, G4double Cy)

static G4double	TriangleArea (const G4TwoVector &A, const G4TwoVector &B, const G4TwoVector &C)

static G4double	QuadArea (const G4TwoVector &A, const G4TwoVector &B, const G4TwoVector &C, const G4TwoVector &D)

static G4double	PolygonArea (const G4TwoVectorList &polygon)

static G4bool	PointInTriangle (G4double Px, G4double Py, G4double Ax, G4double Ay, G4double Bx, G4double By, G4double Cx, G4double Cy)

static G4bool	PointInTriangle (const G4TwoVector &P, const G4TwoVector &A, const G4TwoVector &B, const G4TwoVector &C)

static G4bool	PointInPolygon (const G4TwoVector &P, const G4TwoVectorList &Polygon)

static G4bool	IsConvex (const G4TwoVectorList &polygon)

static G4bool	TriangulatePolygon (const G4TwoVectorList &polygon, G4TwoVectorList &result)

static G4bool	TriangulatePolygon (const G4TwoVectorList &polygon, std::vector< G4int > &result)

static void	RemoveRedundantVertices (G4TwoVectorList &polygon, std::vector< G4int > &iout, G4double tolerance=0.0)

static G4bool	DiskExtent (G4double rmin, G4double rmax, G4double startPhi, G4double delPhi, G4TwoVector &pmin, G4TwoVector &pmax)

static void	DiskExtent (G4double rmin, G4double rmax, G4double sinPhiStart, G4double cosPhiStart, G4double sinPhiEnd, G4double cosPhiEnd, G4TwoVector &pmin, G4TwoVector &pmax)

static G4double	EllipsePerimeter (G4double a, G4double b)

static G4double	EllipticConeLateralArea (G4double a, G4double b, G4double h)

static G4ThreeVector	TriangleAreaNormal (const G4ThreeVector &A, const G4ThreeVector &B, const G4ThreeVector &C)

static G4ThreeVector	QuadAreaNormal (const G4ThreeVector &A, const G4ThreeVector &B, const G4ThreeVector &C, const G4ThreeVector &D)

static G4ThreeVector	PolygonAreaNormal (const G4ThreeVectorList &polygon)

static G4double	DistancePointSegment (const G4ThreeVector &P, const G4ThreeVector &A, const G4ThreeVector &B)

static G4ThreeVector	ClosestPointOnSegment (const G4ThreeVector &P, const G4ThreeVector &A, const G4ThreeVector &B)

static G4ThreeVector	ClosestPointOnTriangle (const G4ThreeVector &P, const G4ThreeVector &A, const G4ThreeVector &B, const G4ThreeVector &C)

static G4bool	SphereExtent (G4double rmin, G4double rmax, G4double startTheta, G4double delTheta, G4double startPhi, G4double delPhi, G4ThreeVector &pmin, G4ThreeVector &pmax)

Static Private Member Functions
static G4bool	CheckSnip (const G4TwoVectorList &contour, G4int a, G4int b, G4int c, G4int n, const G4int *V)

static G4double	comp_ellint_2 (G4double e)

Detailed Description

Definition at line 45 of file G4GeomTools.hh.

View newest version in sPHENIX GitHub at line 45 of file G4GeomTools.hh

Member Function Documentation

G4bool G4GeomTools::CheckSnip	(	const G4TwoVectorList &	contour,
		G4int	a,
		G4int	b,
		G4int	c,
		G4int	n,
		const G4int *	V
	)

staticprivate

Definition at line 271 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 271 of file G4GeomTools.cc

References a, b, c, G4GeometryTolerance::GetInstance(), G4GeometryTolerance::GetSurfaceTolerance(), kCarTolerance, max, min, n, PointInTriangle(), xmax, xmin, ymax, and ymin.

Referenced by TriangulatePolygon().

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G4ThreeVector G4GeomTools::ClosestPointOnSegment	(	const G4ThreeVector &	P,
		const G4ThreeVector &	A,
		const G4ThreeVector &	B
	)

static

Definition at line 658 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 658 of file G4GeomTools.cc

References A(), B(), CLHEP::Hep3Vector::dot(), CLHEP::Hep3Vector::mag2(), t, and Acts::UnitConstants::u.

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G4ThreeVector G4GeomTools::ClosestPointOnTriangle	(	const G4ThreeVector &	P,
		const G4ThreeVector &	A,
		const G4ThreeVector &	B,
		const G4ThreeVector &	C
	)

static

Definition at line 687 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 687 of file G4GeomTools.cc

References a, A(), b, C(), c, d, denom, CLHEP::Hep3Vector::dot(), e, kInfinity, CLHEP::Hep3Vector::mag2(), P, t1, and tmp1.

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G4double G4GeomTools::comp_ellint_2 ( G4double e )

staticprivate

Definition at line 570 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 570 of file G4GeomTools.cc

References a, b, eps, CLHEP::halfpi, S(), tmp, x, and y.

Referenced by EllipsePerimeter(), and EllipticConeLateralArea().

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G4bool G4GeomTools::DiskExtent	(	G4double	rmin,
		G4double	rmax,
		G4double	startPhi,
		G4double	delPhi,
		G4TwoVector &	pmin,
		G4TwoVector &	pmax
	)

static

Definition at line 390 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 390 of file G4GeomTools.cc

References G4GeometryTolerance::GetInstance(), G4GeometryTolerance::GetSurfaceTolerance(), kCarTolerance, CLHEP::Hep2Vector::set(), and CLHEP::twopi.

Referenced by G4GenericPolycone::BoundingLimits(), G4Polycone::BoundingLimits(), G4CutTubs::BoundingLimits(), G4Tubs::BoundingLimits(), G4Torus::BoundingLimits(), G4Cons::BoundingLimits(), G4Sphere::BoundingLimits(), G4Torus::CalculateExtent(), and SphereExtent().

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void G4GeomTools::DiskExtent	(	G4double	rmin,
		G4double	rmax,
		G4double	sinPhiStart,
		G4double	cosPhiStart,
		G4double	sinPhiEnd,
		G4double	cosPhiEnd,
		G4TwoVector &	pmin,
		G4TwoVector &	pmax
	)

static

Definition at line 423 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 423 of file G4GeomTools.cc

References kdfinder::abs(), G4GeometryTolerance::GetInstance(), G4GeometryTolerance::GetSurfaceTolerance(), kCarTolerance, max, min, and CLHEP::Hep2Vector::set().

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G4double G4GeomTools::DistancePointSegment	(	const G4ThreeVector &	P,
		const G4ThreeVector &	A,
		const G4ThreeVector &	B
	)

static

Definition at line 637 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 637 of file G4GeomTools.cc

References A(), CLHEP::Hep3Vector::dot(), CLHEP::Hep3Vector::mag(), CLHEP::Hep3Vector::mag2(), and Acts::UnitConstants::u.

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G4double G4GeomTools::EllipsePerimeter	(	G4double	a,
		G4double	b
	)

static

Definition at line 532 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 532 of file G4GeomTools.cc

References a, kdfinder::abs(), b, comp_ellint_2(), e, max, min, x, and y.

Referenced by G4EllipticalTube::GetCachedSurfaceArea().

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G4double G4GeomTools::EllipticConeLateralArea	(	G4double	a,
		G4double	b,
		G4double	h
	)

static

Definition at line 546 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 546 of file G4GeomTools.cc

References a, kdfinder::abs(), b, comp_ellint_2(), e, Acts::UnitConstants::h, max, min, x, and y.

Referenced by G4EllipticalCone::GetPointOnSurface(), and G4EllipticalCone::GetSurfaceArea().

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G4bool G4GeomTools::IsConvex ( const G4TwoVectorList & polygon )

static

Definition at line 165 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 165 of file G4GeomTools.cc

References kdfinder::abs(), Acts::VectorHelpers::cross(), e1, e2, G4GeometryTolerance::GetInstance(), G4GeometryTolerance::GetSurfaceTolerance(), kCarTolerance, n, CLHEP::Hep2Vector::x(), and CLHEP::Hep2Vector::y().

Referenced by G4ExtrudedSolid::G4ExtrudedSolid().

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G4bool G4GeomTools::PointInPolygon	(	const G4TwoVector &	P,
		const G4TwoVectorList &	Polygon
	)

static

Definition at line 145 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 145 of file G4GeomTools.cc

References in, k, CLHEP::Hep2Vector::x(), x, CLHEP::Hep2Vector::y(), and y.

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G4bool G4GeomTools::PointInTriangle	(	G4double	Px,
		G4double	Py,
		G4double	Ax,
		G4double	Ay,
		G4double	Bx,
		G4double	By,
		G4double	Cx,
		G4double	Cy
	)

static

Definition at line 92 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 92 of file G4GeomTools.cc

Referenced by CheckSnip().

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G4bool G4GeomTools::PointInTriangle	(	const G4TwoVector &	P,
		const G4TwoVector &	A,
		const G4TwoVector &	B,
		const G4TwoVector &	C
	)

static

Definition at line 117 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 117 of file G4GeomTools.cc

References CLHEP::Hep2Vector::x(), and CLHEP::Hep2Vector::y().

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G4double G4GeomTools::PolygonArea ( const G4TwoVectorList & polygon )

static

Definition at line 76 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 76 of file G4GeomTools.cc

References n.

Referenced by G4GenericPolycone::CalculateExtent(), G4Polycone::CalculateExtent(), G4Polyhedra::CalculateExtent(), G4ExtrudedSolid::G4ExtrudedSolid(), and TriangulatePolygon().

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G4ThreeVector G4GeomTools::PolygonAreaNormal ( const G4ThreeVectorList & polygon )

static

Definition at line 621 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 621 of file G4GeomTools.cc

References CLHEP::Hep3Vector::cross(), n, and CLHEP::normal().

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G4double G4GeomTools::QuadArea	(	const G4TwoVector &	A,
		const G4TwoVector &	B,
		const G4TwoVector &	C,
		const G4TwoVector &	D
	)

static

Definition at line 64 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 64 of file G4GeomTools.cc

References CLHEP::Hep2Vector::x(), and CLHEP::Hep2Vector::y().

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G4ThreeVector G4GeomTools::QuadAreaNormal	(	const G4ThreeVector &	A,
		const G4ThreeVector &	B,
		const G4ThreeVector &	C,
		const G4ThreeVector &	D
	)

static

Definition at line 609 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 609 of file G4GeomTools.cc

References Acts::VectorHelpers::cross().

Referenced by G4Trap::GetPointOnSurface(), and G4Trap::GetSurfaceArea().

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void G4GeomTools::RemoveRedundantVertices	(	G4TwoVectorList &	polygon,
		std::vector< G4int > &	iout,
		G4double	tolerance = `0.0`
	)

static

Definition at line 305 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 305 of file G4GeomTools.cc

References kdfinder::abs(), Acts::Test::delta, e1, e2, k, kInfinity, CLHEP::Hep2Vector::mag2(), max, sqr(), CLHEP::Hep2Vector::x(), x, and CLHEP::Hep2Vector::y().

Referenced by G4Polycone::CalculateExtent(), G4Polyhedra::CalculateExtent(), and G4ExtrudedSolid::G4ExtrudedSolid().

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G4bool G4GeomTools::SphereExtent	(	G4double	rmin,
		G4double	rmax,
		G4double	startTheta,
		G4double	delTheta,
		G4double	startPhi,
		G4double	delPhi,
		G4ThreeVector &	pmin,
		G4ThreeVector &	pmax
	)

static

Definition at line 790 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 790 of file G4GeomTools.cc

References DiskExtent(), G4GeometryTolerance::GetInstance(), G4GeometryTolerance::GetSurfaceTolerance(), CLHEP::halfpi, kCarTolerance, max, min, CLHEP::pi, rmax(), CLHEP::Hep3Vector::set(), CLHEP::twopi, CLHEP::Hep2Vector::x(), and CLHEP::Hep2Vector::y().

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G4double G4GeomTools::TriangleArea	(	G4double	Ax,
		G4double	Ay,
		G4double	Bx,
		G4double	By,
		G4double	Cx,
		G4double	Cy
	)

static

Definition at line 41 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 41 of file G4GeomTools.cc

G4double G4GeomTools::TriangleArea	(	const G4TwoVector &	A,
		const G4TwoVector &	B,
		const G4TwoVector &	C
	)

static

Definition at line 52 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 52 of file G4GeomTools.cc

References CLHEP::Hep2Vector::x(), and CLHEP::Hep2Vector::y().

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G4ThreeVector G4GeomTools::TriangleAreaNormal	(	const G4ThreeVector &	A,
		const G4ThreeVector &	B,
		const G4ThreeVector &	C
	)

static

Definition at line 598 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 598 of file G4GeomTools.cc

References Acts::VectorHelpers::cross().

Referenced by G4Trd::GetPointOnSurface(), and G4Trap::GetPointOnSurface().

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G4bool G4GeomTools::TriangulatePolygon	(	const G4TwoVectorList &	polygon,
		G4TwoVectorList &	result
	)

static

Definition at line 193 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 193 of file G4GeomTools.cc

References n.

Referenced by G4GenericPolycone::CalculateExtent(), G4Polycone::CalculateExtent(), G4Polyhedra::CalculateExtent(), and G4ExtrudedSolid::CalculateExtent().

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G4bool G4GeomTools::TriangulatePolygon	(	const G4TwoVectorList &	polygon,
		std::vector< G4int > &	result
	)

static

Definition at line 209 of file G4GeomTools.cc.

View newest version in sPHENIX GitHub at line 209 of file G4GeomTools.cc

References a, b, c, CheckSnip(), n, PolygonArea(), and reverse.

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

geant4/tree/geant4-10.6-release/source/geometry/management/include/G4GeomTools.hh
geant4/tree/geant4-10.6-release/source/geometry/management/src/G4GeomTools.cc

Static Public Member Functions

Static Private Member Functions

Detailed Description

Member Function Documentation