Public Member Functions | Static Public Member Functions | List of all members
polygonTriangulate Class Reference

Triangulation of three-dimensional polygons. More...

Public Member Functions

 polygonTriangulate ()
 Construct null. More...
 
 polygonTriangulate (const polygonTriangulate &)=delete
 Disallow default bitwise copy construction. More...
 
 ~polygonTriangulate ()
 Destructor. More...
 
const UList< triFace > & triPoints () const
 Get the triangles' points. More...
 
List< triFace > triPoints (const UList< label > &polyPoints) const
 Get the triangles' renumbered points. More...
 
triFace triPoints (const label trii, const UList< label > &polyPoints) const
 Get a triangle's renumbered points. More...
 
const UList< FixedList< label, 3 > > & triEdges () const
 Get the triangles' edges. More...
 
List< FixedList< label, 3 > > triEdges (const UList< label > &polyEdges) const
 Get the triangles' renumbered edges. More...
 
FixedList< label, 3 > triEdges (const label trii, const UList< label > &polyEdges) const
 Get a triangle's renumbered edges. More...
 
const UList< triFace > & triangulate (const UList< point > &points, const vector &normal, const bool simple=false, const bool optimal=true)
 Perform triangulation of the given polygon. More...
 
const UList< triFace > & triangulate (const UList< point > &points, const bool simple=false, const bool optimal=true)
 Perform triangulation of the given polygon. More...
 
const UList< triFace > & triangulate (const UIndirectList< point > &points, const vector &normal, const bool simple=false, const bool optimal=true)
 Perform triangulation of the given polygon. More...
 
const UList< triFace > & triangulate (const UIndirectList< point > &points, const bool simple=false, const bool optimal=true)
 Perform triangulation of the given polygon. More...
 
void operator= (const polygonTriangulate &)=delete
 Disallow default bitwise assignment. More...
 
template<class PointField >
Foam::scalar area (const triFace &triPoints, const PointField &points, const vector &normal)
 
template<class PointField >
Foam::scalar quality (const triFace &triPoints, const PointField &points, const vector &normal)
 
template<class PointField >
Foam::label nIntersections (const edge &edgePoints, const PointField &points, const vector &normal)
 
template<class PointField >
Foam::scalar angle (const label pointi, const PointField &points, const vector &normal)
 

Static Public Member Functions

static List< point > randomPolygon (Random &rndGen, const label n, const scalar error)
 Generate a random polygon for testing purposes. More...
 

Detailed Description

Triangulation of three-dimensional polygons.

Source files

Definition at line 51 of file polygonTriangulate.H.

Constructor & Destructor Documentation

◆ polygonTriangulate() [1/2]

polygonTriangulate ( )

Construct null.

Definition at line 845 of file polygonTriangulate.C.

◆ polygonTriangulate() [2/2]

polygonTriangulate ( const polygonTriangulate &  )
delete

Disallow default bitwise copy construction.

◆ ~polygonTriangulate()

~polygonTriangulate ( )

Destructor.

Definition at line 863 of file polygonTriangulate.C.

Member Function Documentation

◆ randomPolygon()

Foam::List< Foam::point > randomPolygon ( Random &  rndGen,
const label  n,
const scalar  error 
)
static

Generate a random polygon for testing purposes.

Definition at line 188 of file polygonTriangulate.C.

References Foam::DelaunayMeshTools::allPoints(), Foam::cos(), UList< T >::fcIndex(), Foam::findIndex(), Foam::findMin(), FixedList< T, Size >::first(), forAll, Foam::identity(), Foam::inplaceReverseList(), Foam::inplaceRotateList(), Foam::max(), Foam::min(), n, Foam::negPart(), Foam::constant::mathematical::pi(), points, UList< T >::rcIndex(), DynamicList< T, SizeInc, SizeMult, SizeDiv >::resize(), Random::sample01(), DynamicList< T, SizeInc, SizeMult, SizeDiv >::setSize(), simple(), Foam::sin(), List< T >::size(), UList< T >::size(), Foam::sqrt(), polygonTriangulate::triEdges(), and triFace().

Referenced by polygonTriangulate::angle().

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◆ triPoints() [1/3]

const Foam::UList< Foam::triFace > & triPoints ( ) const
inline

Get the triangles' points.

Definition at line 59 of file polygonTriangulateI.H.

Referenced by meshTriangulation::meshTriangulation(), NamedEnum< compressibleField, 8 >::names(), STARCDsurfaceFormat< Face >::read(), faceAreaIntersect::triangulate(), MeshedSurface< Foam::face >::triangulate(), polygonTriangulate::triPoints(), and patchInjectionBase::updateMesh().

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◆ triPoints() [2/3]

Foam::List< Foam::triFace > triPoints ( const UList< label > &  polyPoints) const
inline

Get the triangles' renumbered points.

Definition at line 66 of file polygonTriangulateI.H.

References polygonTriangulate::triPoints().

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◆ triPoints() [3/3]

Foam::triFace triPoints ( const label  trii,
const UList< label > &  polyPoints 
) const
inline

Get a triangle's renumbered points.

Definition at line 75 of file polygonTriangulateI.H.

◆ triEdges() [1/3]

const Foam::UList< Foam::FixedList< Foam::label, 3 > > & triEdges ( ) const
inline

Get the triangles' edges.

Definition at line 85 of file polygonTriangulateI.H.

Referenced by polygonTriangulate::randomPolygon(), and polygonTriangulate::triEdges().

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◆ triEdges() [2/3]

Foam::List< Foam::FixedList< Foam::label, 3 > > triEdges ( const UList< label > &  polyEdges) const
inline

Get the triangles' renumbered edges.

Definition at line 93 of file polygonTriangulateI.H.

References polygonTriangulate::triEdges().

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◆ triEdges() [3/3]

Foam::FixedList< Foam::label, 3 > triEdges ( const label  trii,
const UList< label > &  polyEdges 
) const
inline

Get a triangle's renumbered edges.

Definition at line 102 of file polygonTriangulateI.H.

◆ triangulate() [1/4]

const Foam::UList< Foam::triFace > & triangulate ( const UList< point > &  points,
const vector &  normal,
const bool  simple = false,
const bool  optimal = true 
)

Perform triangulation of the given polygon.

Definition at line 870 of file polygonTriangulate.C.

References UList< T >::size().

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◆ triangulate() [2/4]

const Foam::UList< Foam::triFace > & triangulate ( const UList< point > &  points,
const bool  simple = false,
const bool  optimal = true 
)

Perform triangulation of the given polygon.

Definition at line 902 of file polygonTriangulate.C.

References face::area(), and Foam::normalised().

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◆ triangulate() [3/4]

const Foam::UList< Foam::triFace > & triangulate ( const UIndirectList< point > &  points,
const vector &  normal,
const bool  simple = false,
const bool  optimal = true 
)
inline

Perform triangulation of the given polygon.

Definition at line 112 of file polygonTriangulateI.H.

References points.

◆ triangulate() [4/4]

const Foam::UList< Foam::triFace > & triangulate ( const UIndirectList< point > &  points,
const bool  simple = false,
const bool  optimal = true 
)
inline

Perform triangulation of the given polygon.

Definition at line 126 of file polygonTriangulateI.H.

References points.

◆ operator=()

void operator= ( const polygonTriangulate &  )
delete

Disallow default bitwise assignment.

◆ area()

Foam::scalar area ( const triFace &  triPoints,
const PointField &  points,
const vector &  normal 
)

Definition at line 33 of file polygonTriangulate.C.

◆ quality()

Foam::scalar quality ( const triFace &  triPoints,
const PointField &  points,
const vector &  normal 
)

Definition at line 49 of file polygonTriangulate.C.

References Foam::cmptMax(), Foam::cmptMin(), Foam::cof(), Foam::det(), forAll, M, Foam::mag(), Foam::magSqr(), Foam::perpendicular(), Foam::sign(), and Foam::sqrt().

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◆ nIntersections()

Foam::label nIntersections ( const edge &  edgePoints,
const PointField &  points,
const vector &  normal 
)

Definition at line 107 of file polygonTriangulate.C.

References edge::commonVertex(), UList< T >::fcIndex(), forAll, n, and Foam::constant::mathematical::pi().

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◆ angle()

Foam::scalar angle ( const label  pointi,
const PointField &  points,
const vector &  normal 
)

Definition at line 131 of file polygonTriangulate.C.

References Foam::atan2(), Foam::det(), UList< T >::fcIndex(), Foam::constant::mathematical::pi(), polygonTriangulate::randomPolygon(), UList< T >::rcIndex(), Foam::T(), Tensor< Cmpt >::T(), Vector< Cmpt >::x(), Tensor< Cmpt >::x(), Vector< Cmpt >::y(), Tensor< Cmpt >::y(), and Tensor< Cmpt >::z().

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