triFace Class Reference

A triangle face primitive using a FixedList. More...

#include <OpenFOAM/triFace.H>

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Detailed Description

A triangle face primitive using a FixedList.

Source files

• src/OpenFOAM/meshes/meshShapes/triFace/triFace.H
• src/OpenFOAM/meshes/meshShapes/triFace/triFaceI.H

Definition at line 63 of file triFace.H.

Inheritance diagram for triFace:

Collaboration diagram for triFace:

List of all members.

Public Member Functions
	triFace ()
	Construct null.
	triFace (const label a, const label b, const label c)
	Construct from three point labels.
	triFace (const UList< label > &)
	Construct from a UList<label>
	triFace (Istream &)
	Construct from Istream.
label	collapse ()
	Collapse face by removing duplicate point labels.
int	edgeDirection (const edge &) const
	Return the edge direction on the face.
pointField	points (const pointField &points) const
	Return the points corresponding to this face.
face	triFaceFace () const
	Return triangle as a face.
label	nEdges () const
	Return number of edges.
edgeList	edges () const
	Return edges.
point	centre (const pointField &) const
	Return centre (centroid)
scalar	mag (const pointField &) const
	Return scalar magnitude.
vector	normal (const pointField &) const
	Return vector normal.
label	nTriangles () const
	Number of triangles after splitting.
triFace	reverseFace () const
	Return face with reverse direction.
scalar	sweptVol (const pointField &oldPoints, const pointField &newPoints) const
	Return swept-volume.
pointHit	ray (const point &p, const vector &q, const pointField &points, const intersection::algorithm=intersection::FULL_RAY, const intersection::direction dir=intersection::VECTOR) const
	Return point intersection with a ray starting at p, with.
triPointRef	tri (const pointField &) const
	Return the triangle.
Static Public Member Functions
static int	compare (const triFace &, const triFace &)
	compare triFaces
Friends
bool	operator== (const triFace &, const triFace &)
bool	operator!= (const triFace &, const triFace &)

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Constructor & Destructor Documentation

triFace

(

)

[inline]

Construct null.

Definition at line 63 of file triFaceI.H.

triFace	(	const label	a,
		const label	b,
		const label	c
	)		[inline]

Construct from three point labels.

Definition at line 68 of file triFaceI.H.

References b.

triFace

(

const UList< label > &

lst  )

[inline, explicit]

Construct from a UList<label>

Definition at line 80 of file triFaceI.H.

triFace

(

Istream &

is  )

[inline]

Construct from Istream.

Definition at line 86 of file triFaceI.H.

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Member Function Documentation

Foam::label collapse

(

)

[inline]

Collapse face by removing duplicate point labels.

return the collapsed size, set collapsed point labels to -1

Definition at line 94 of file triFaceI.H.

int edgeDirection

(

const edge &

e  )

const [inline]

Return the edge direction on the face.

• +1: forward (counter-clockwise) on the face

-1: reverse (clockwise) on the face

• 0: edge not found on the face

Definition at line 172 of file triFaceI.H.

References edge::end(), and edge::start().

Foam::pointField points

(

const pointField &

points  )

const [inline]

Return the points corresponding to this face.

Definition at line 121 of file triFaceI.H.

References p.

Foam::face triFaceFace

(

)

const [inline]

Return triangle as a face.

Definition at line 133 of file triFaceI.H.

References f().

Referenced by sampledTriSurfaceMesh::update().

Foam::label nEdges

(

)

const [inline]

Return number of edges.

Definition at line 145 of file triFaceI.H.

Foam::edgeList edges

(

)

const [inline]

Return edges.

Definition at line 151 of file triFaceI.H.

References e, and UList< T >::end().

Foam::point centre

(

const pointField &

points  )

const [inline]

Return centre (centroid)

Definition at line 199 of file triFaceI.H.

Foam::scalar mag

(

const pointField &

points  )

const [inline]

Return scalar magnitude.

Definition at line 210 of file triFaceI.H.

References Foam::mag().

Foam::vector normal

(

const pointField &

points  )

const [inline]

Return vector normal.

Definition at line 216 of file triFaceI.H.

Referenced by triSurfaceMesh::getNormal().

Foam::label nTriangles

(

)

const [inline]

Number of triangles after splitting.

Definition at line 226 of file triFaceI.H.

Foam::triFace reverseFace

(

)

const [inline]

Return face with reverse direction.

Definition at line 232 of file triFaceI.H.

References triFace().

Foam::scalar sweptVol	(	const pointField &	oldPoints,
		const pointField &	newPoints
	)		const [inline]

Return swept-volume.

Definition at line 240 of file triFaceI.H.

Foam::pointHit ray	(	const point &	p,
		const vector &	q,
		const pointField &	points,
		const intersection::algorithm	alg = intersection::FULL_RAY,
		const intersection::direction	dir = intersection::VECTOR
	)		const [inline]

Return point intersection with a ray starting at p, with.

direction n.

Definition at line 273 of file triFaceI.H.

Foam::triPointRef tri

(

const pointField &

points  )

const [inline]

Return the triangle.

Definition at line 290 of file triFaceI.H.

Referenced by triSurfaceTools::calcInterpolationWeights().

int compare	(	const triFace &	a,
		const triFace &	b
	)		[inline, static]

compare triFaces

• 0: different

+1: identical

• -1: same face, but different orientation

Definition at line 32 of file triFaceI.H.

Referenced by Foam::operator!=(), and Foam::operator==().

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Friends And Related Function Documentation

bool operator==	(	const triFace &	,
		const triFace &
	)		[friend]

bool operator!=	(	const triFace &	,
		const triFace &
	)		[friend]

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

• src/OpenFOAM/meshes/meshShapes/triFace/triFace.H
• src/OpenFOAM/meshes/meshShapes/triFace/triFaceI.H