A triangle primitive used to calculate face normals and swept volumes. More...

Classes
class	dummyOp

class	storeOp

class	sumAreaOp

Public Types
enum	proxType { NONE = 0, POINT, EDGE }

typedef Point	point_type

typedef FixedList< triPoints, 27 >	triIntersectionList

Public Member Functions
	triangle (const Point &a, const Point &b, const Point &c)

	triangle (const FixedList< Point, 3 > &tri)

	triangle (const UList< Point > &points, const FixedList< label, 3 > &indices)

	triangle (Istream &is)

const Point &	a () const

const Point &	b () const

const Point &	c () const

Point	centre () const

vector	areaNormal () const

vector	unitNormal () const

	FOAM_DEPRECATED_FOR (2018-12, "areaNormal() or unitNormal()") vector normal() const

scalar	mag () const

Point	circumCentre () const

scalar	circumRadius () const

scalar	quality () const

scalar	sweptVol (const triangle &t) const

tensor	inertia (PointRef refPt=Zero, scalar density=1.0) const

Point	randomPoint (Random &rndGen) const

Point	barycentricToPoint (const barycentric2D &bary) const

barycentric2D	pointToBarycentric (const point &pt) const

scalar	pointToBarycentric (const point &pt, barycentric2D &bary) const

pointHit	ray (const point &p, const vector &q, const intersection::algorithm=intersection::FULL_RAY, const intersection::direction dir=intersection::VECTOR) const

pointHit	intersection (const point &p, const vector &q, const intersection::algorithm alg, const scalar tol=0.0) const

pointHit	nearestPointClassify (const point &p, label &nearType, label &nearLabel) const

pointHit	nearestPoint (const point &p) const

bool	classify (const point &p, label &nearType, label &nearLabel) const

pointHit	nearestPoint (const linePointRef &edge, pointHit &edgePoint) const

int	sign (const point &p, const scalar tol=SMALL) const

template<class AboveOp , class BelowOp >
void	sliceWithPlane (const plane &pln, AboveOp &aboveOp, BelowOp &belowOp) const

template<class InsideOp , class OutsideOp >
void	triangleOverlap (const vector &n, const triangle< Point, PointRef > &tri, InsideOp &insideOp, OutsideOp &outsideOp) const

Friends
Istream &	operator>> (Istream &, triangle &)

Ostream &	operator (Ostream &, const triangle &)

Detailed Description

A triangle primitive used to calculate face normals and swept volumes.

Source files

Definition at line 55 of file triangle.H.

Member Typedef Documentation

◆ point_type

typedef Point point_type

Definition at line 84 of file triangle.H.

◆ triIntersectionList

typedef FixedList<triPoints, 27> triIntersectionList

Definition at line 88 of file triangle.H.

Member Enumeration Documentation

◆ proxType

enum proxType

Enumerator
NONE	Unknown proximity.
POINT	Close to point.
EDGE	Close to edge.

Definition at line 91 of file triangle.H.

Constructor & Destructor Documentation

◆ triangle() [1/4]

triangle	(	const Point &	a,
		const Point &	b,
		const Point &	c
	)

inline

Definition at line 31 of file triangleI.H.

◆ triangle() [2/4]

triangle ( const FixedList< Point, 3 > & tri )

inline

Definition at line 45 of file triangleI.H.

◆ triangle() [3/4]

triangle	(	const UList< Point > &	points,
		const FixedList< label, 3 > &	indices
	)

inline

Definition at line 57 of file triangleI.H.

◆ triangle() [4/4]

triangle ( Istream & is )

inlineexplicit

Definition at line 70 of file triangleI.H.

Member Function Documentation

◆ a()

const Point & a ( ) const

inline

Definition at line 79 of file triangleI.H.

Referenced by triSurfaceTools::calcInterpolationWeights(), offsetSurface::operator()(), lumpedPointMovement::setInterpolator(), and triangle::triangleOverlap().

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◆ b()

const Point & b ( ) const

inline

Definition at line 85 of file triangleI.H.

Referenced by triSurfaceTools::calcInterpolationWeights(), offsetSurface::operator()(), lumpedPointMovement::setInterpolator(), and triangle::triangleOverlap().

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◆ c()

const Point & c ( ) const

inline

Definition at line 91 of file triangleI.H.

Referenced by triSurfaceTools::calcInterpolationWeights(), offsetSurface::operator()(), lumpedPointMovement::setInterpolator(), and triangle::triangleOverlap().

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◆ centre()

Point centre ( ) const

inline

Definition at line 98 of file triangleI.H.

Referenced by momentOfInertia::massPropertiesShell(), polyMesh::pointInCell(), and wallBoundedStreamLine::pushIn().

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◆ areaNormal()

Foam::vector areaNormal ( ) const

inline

Definition at line 105 of file triangleI.H.

Referenced by primitiveMeshGeometry::checkFaceTwist(), polyMeshGeometry::checkFaceTwist(), polyMeshGeometry::checkTriangleTwist(), triangle::FOAM_DEPRECATED_FOR(), polyMesh::pointInCell(), tetrahedron::Sa(), tetrahedron::Sb(), tetrahedron::Sc(), and tetrahedron::Sd().

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◆ unitNormal()

Foam::vector unitNormal ( ) const

inline

Definition at line 112 of file triangleI.H.

References Foam::mag(), n, s, and Foam::Zero.

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◆ FOAM_DEPRECATED_FOR()

FOAM_DEPRECATED_FOR	(	2018-	12,
		"areaNormal() or unitNormal()"
	)		const

inline

Definition at line 213 of file triangle.H.

References triangle::areaNormal().

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◆ mag()

Foam::scalar mag ( ) const

inline

Definition at line 121 of file triangleI.H.

References Foam::mag().

Referenced by pointLinear< Type >::correction(), FreeStream< CloudType >::inflow(), momentOfInertia::massPropertiesShell(), and triangle::sumAreaOp::operator()().

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◆ circumCentre()

Point circumCentre ( ) const

inline

Definition at line 128 of file triangleI.H.

References Foam::constant::universal::c, Foam::constant::physicoChemical::c1, Foam::constant::physicoChemical::c2, and Foam::mag().

Referenced by Foam::edgeMeshTools::featureProximity().

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◆ circumRadius()

Foam::scalar circumRadius ( ) const

inline

Definition at line 155 of file triangleI.H.

References Foam::mag(), Foam::max(), Foam::min(), and Foam::sqrt().

Referenced by Foam::edgeMeshTools::featureProximity().

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◆ quality()

Foam::scalar quality ( ) const

inline

Definition at line 176 of file triangleI.H.

References Foam::constant::universal::c, Foam::mag(), Foam::sqr(), and Foam::sqrt().

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◆ sweptVol()

Foam::scalar sweptVol ( const triangle & t ) const

inline

Definition at line 192 of file triangleI.H.

◆ inertia()

Foam::tensor inertia	(	PointRef	refPt = `Zero`,
		scalar	density = `1.0`
	)		const

inline

Definition at line 211 of file triangleI.H.

References Foam::I, Foam::mag(), and Tensor::T().

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◆ randomPoint()

Point randomPoint ( Random & rndGen ) const

inline

Definition at line 247 of file triangleI.H.

References Foam::barycentric2D01(), and rndGen.

Referenced by FreeStream< CloudType >::inflow(), and patchInjectionBase::setPositionAndCell().

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◆ barycentricToPoint()

Point barycentricToPoint ( const barycentric2D & bary ) const

inline

Definition at line 255 of file triangleI.H.

◆ pointToBarycentric() [1/2]

Foam::barycentric2D pointToBarycentric ( const point & pt ) const

inline

Definition at line 265 of file triangleI.H.

Referenced by cellPointWeight::findTriangle(), offsetSurface::operator()(), and lumpedPointMovement::setInterpolator().

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◆ pointToBarycentric() [2/2]

Foam::scalar pointToBarycentric	(	const point &	pt,
		barycentric2D &	bary
	)		const

inline

Definition at line 277 of file triangleI.H.

References Foam::mag().

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◆ ray()

Foam::pointHit ray	(	const point &	p,
		const vector &	q,
		const intersection::algorithm	alg = `intersection::FULL_RAY`,
		const intersection::direction	dir = `intersection::VECTOR`
	)		const

inline

Definition at line 316 of file triangleI.H.

References Foam::fieldTypes::area, PointHit< PointType >::hit(), Foam::mag(), Foam::min(), n, p, PointHit< PointType >::rawPoint(), PointHit< PointType >::setDistance(), PointHit< PointType >::setHit(), PointHit< PointType >::setMiss(), and PointHit< PointType >::setPoint().

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◆ intersection()

Foam::pointHit intersection	(	const point &	p,
		const vector &	q,
		const intersection::algorithm	alg,
		const scalar	tol = `0.0`
	)		const

inline

Definition at line 432 of file triangleI.H.

References Foam::det(), and Foam::Zero.

Referenced by mappedPatchBase::facePoint(), and triangleFuncs::intersectBb().

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◆ nearestPointClassify()

Foam::pointHit nearestPointClassify	(	const point &	p,
		label &	nearType,
		label &	nearLabel
	)		const

Definition at line 515 of file triangleI.H.

References cp, Foam::mag(), and p.

Referenced by triSurfaceTools::calcInterpolationWeights(), and face::nearestPointClassify().

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◆ nearestPoint() [1/2]

Foam::pointHit nearestPoint ( const point & p ) const

inline

Definition at line 664 of file triangleI.H.

References p.

Referenced by wallBoundedStreamLine::findNearestTet(), cellPointWeight::findTriangle(), and tetrahedron::nearestPoint().

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◆ classify()

bool classify	(	const point &	p,
		label &	nearType,
		label &	nearLabel
	)		const

inline

Definition at line 678 of file triangleI.H.

References p.

◆ nearestPoint() [2/2]

pointHit nearestPoint	(	const linePointRef &	edge,
		pointHit &	edgePoint
	)		const

inline

◆ sign()

int sign	(	const point &	p,
		const scalar	tol = `SMALL`
	)		const

inline

Definition at line 816 of file triangleI.H.

References p.

◆ sliceWithPlane()

void sliceWithPlane	(	const plane &	pln,
		AboveOp &	aboveOp,
		BelowOp &	belowOp
	)		const

inline

Definition at line 108 of file triangle.C.

◆ triangleOverlap()

void triangleOverlap	(	const vector &	n,
		const triangle< Point, PointRef > &	tri,
		InsideOp &	insideOp,
		OutsideOp &	outsideOp
	)		const

inline

Definition at line 121 of file triangle.C.

References triangle::a(), triangle::b(), triangle::c(), Foam::mag(), n, triangle::storeOp::nTris_, s, and triangle::storeOp::tris_.

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Friends And Related Function Documentation

◆ operator>>

Istream& operator>>	(	Istream &	,
		triangle &
	)

friend

◆ operator

Ostream& operator	(	Ostream &	,
		const triangle &
	)

friend

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

src/OpenFOAM/meshes/primitiveShapes/triangle/triangle.H
src/OpenFOAM/meshes/primitiveShapes/triangle/triangle.C
src/OpenFOAM/meshes/primitiveShapes/triangle/triangleI.H

Classes

Public Types

Public Member Functions

Friends

Detailed Description

Member Typedef Documentation

◆ point_type

◆ triIntersectionList

Member Enumeration Documentation

◆ proxType

Constructor & Destructor Documentation

◆ triangle() [1/4]

◆ triangle() [2/4]

◆ triangle() [3/4]

◆ triangle() [4/4]

Member Function Documentation

◆ a()

◆ b()

◆ c()

◆ centre()

◆ areaNormal()

◆ unitNormal()

◆ FOAM_DEPRECATED_FOR()

◆ mag()

◆ circumCentre()

◆ circumRadius()

◆ quality()

◆ sweptVol()

◆ inertia()

◆ randomPoint()

◆ barycentricToPoint()

◆ pointToBarycentric() [1/2]

◆ pointToBarycentric() [2/2]

◆ ray()

◆ intersection()

◆ nearestPointClassify()

◆ nearestPoint() [1/2]

◆ classify()

◆ nearestPoint() [2/2]

◆ sign()

◆ sliceWithPlane()

◆ triangleOverlap()

Friends And Related Function Documentation

◆ operator>>

◆ operator