faceDecomposition Class Reference

Collaboration diagram for faceDecomposition:

Public Member Functions
	faceDecomposition (const face &, const pointField &)
	construct components More...
	~faceDecomposition ()
	Destructor. More...
bool	isFaceConvex () const
	check if the face is convex More...
bool	isFacePlanar () const
	check if the face is planar More...
bool	isFacePlanar (const scalar tol) const
faceList	decomposeFaceIntoTriangles () const
	decompose face into triangles More...
faceList	decomposeFace () const

Private Member Functions
label	concaveVertex () const
faceList	decomposeFaceIntoTriangles (const label cv) const
void	operator= (const faceDecomposition &)
	disallows bitwise construct More...
	faceDecomposition (const faceDecomposition &)
	copy constructor More...

Private Attributes
const face &	f_
const pointField &	points_

Detailed Description

Definition at line 47 of file faceDecomposition.H.

Constructor & Destructor Documentation

faceDecomposition() [1/2]

faceDecomposition ( const faceDecomposition &  )

private

copy constructor

Referenced by faceDecomposition::decomposeFace().

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faceDecomposition() [2/2]

faceDecomposition	(	const face &	f,
		const pointField &	pts
	)

construct components

Constructor.

Definition at line 88 of file faceDecomposition.C.

~faceDecomposition()

~faceDecomposition

(

)

Destructor.

Definition at line 99 of file faceDecomposition.C.

Member Function Documentation

concaveVertex()

label concaveVertex ( ) const

private

find concave vertex and return its position in the face

Definition at line 40 of file faceDecomposition.C.

References face::edges(), Foam::exit(), faceDecomposition::f_, Foam::FatalError, FatalErrorIn, forAll, Foam::mag(), n, face::normal(), faceDecomposition::points_, and List::size().

Referenced by faceDecomposition::decomposeFace(), faceDecomposition::decomposeFaceIntoTriangles(), and faceDecomposition::isFaceConvex().

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decomposeFaceIntoTriangles() [1/2]

faceList decomposeFaceIntoTriangles ( const label  cv ) const

private

decomposes the face into triangle starting from the given vertex

Definition at line 235 of file faceDecomposition.C.

References Foam::add(), face::edges(), Foam::endl(), faceDecomposition::f_, forAll, Foam::Info, List::newElmt(), List::setSize(), and List::size().

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operator=()

void operator= ( const faceDecomposition &  )

private

disallows bitwise construct

isFaceConvex()

bool isFaceConvex

(

)

const

check if the face is convex

Definition at line 103 of file faceDecomposition.C.

References faceDecomposition::concaveVertex().

Referenced by faceDecomposition::decomposeFace().

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isFacePlanar() [1/2]

bool isFacePlanar

(

)

const

check if the face is planar

Definition at line 130 of file faceDecomposition.C.

References Foam::constant::universal::c, face::centre(), faceDecomposition::f_, forAll, Foam::mag(), Foam::max(), and faceDecomposition::points_.

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isFacePlanar() [2/2]

bool isFacePlanar

(

const scalar

tol

)

const

Definition at line 113 of file faceDecomposition.C.

References Foam::endl(), faceDecomposition::f_, forAll, Foam::Info, Foam::mag(), face::normal(), and faceDecomposition::points_.

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decomposeFaceIntoTriangles() [2/2]

faceList decomposeFaceIntoTriangles

(

)

const

decompose face into triangles

Definition at line 278 of file faceDecomposition.C.

References faceDecomposition::concaveVertex().

Referenced by faceDecomposition::decomposeFace().

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decomposeFace()

faceList decomposeFace

(

)

const

decompose face into the minimal number of convex faces

face is decomposed into 2 or 3 triangles. I am happy with that.

merge on the side of lower labels

merge from the side of higher labels

this happens if the face has odd number of edges

Definition at line 143 of file faceDecomposition.C.

References faceDecomposition::concaveVertex(), faceDecomposition::decomposeFaceIntoTriangles(), Foam::endl(), faceDecomposition::f_, faceDecomposition::faceDecomposition(), Foam::fv::ff(), Foam::Info, faceDecomposition::isFaceConvex(), Foam::help::mergeTwoFaces(), List::newElmt(), faceDecomposition::points_, List::setSize(), and List::size().

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Field Documentation

f_

const face& f_

private

Definition at line 50 of file faceDecomposition.H.

Referenced by faceDecomposition::concaveVertex(), faceDecomposition::decomposeFace(), faceDecomposition::decomposeFaceIntoTriangles(), and faceDecomposition::isFacePlanar().

points_

const pointField& points_

private

Definition at line 52 of file faceDecomposition.H.

Referenced by faceDecomposition::concaveVertex(), faceDecomposition::decomposeFace(), and faceDecomposition::isFacePlanar().

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

• applications/extra/cfMesh-v1.1.2/meshLibrary/utilities/faceDecomposition/faceDecomposition.H
• applications/extra/cfMesh-v1.1.2/meshLibrary/utilities/faceDecomposition/faceDecomposition.C