Data type triangle element. More...

#include <triangle.hpp>

Inheritance diagram for mfem::Triangle:

Collaboration diagram for mfem::Triangle:

Public Types
typedef Geometry::Constants< Geometry::TRIANGLE >	geom_t

Public Types inherited from mfem::Element
enum	Type { POINT , SEGMENT , TRIANGLE , QUADRILATERAL , TETRAHEDRON , HEXAHEDRON , WEDGE , PYRAMID }
	Constants for the classes derived from Element. More...

Public Member Functions
	Triangle ()

	Triangle (const int *ind, int attr=1)
	Constructs triangle by specifying the indices and the attribute.

	Triangle (int ind1, int ind2, int ind3, int attr=1)
	Constructs triangle by specifying the indices and the attribute.

Type	GetType () const override
	Return element's type.

int	NeedRefinement (HashTable< Hashed2 > &v_to_v) const override
	Return 1 if the element needs refinement in order to get conforming mesh.

void	MarkEdge (DenseMatrix &pmat)

void	MarkEdge (const DSTable &v_to_v, const int *length) override
	Mark the longest edge by assuming/changing the order of the vertices.

void	ResetTransform (int tr) override
	Set current coarse-fine transformation number.

unsigned	GetTransform () const override
	Return current coarse-fine transformation.

void	PushTransform (int tr) override
	Add 'tr' to the current chain of coarse-fine transformations.

void	GetVertices (Array< int > &v) const override
	Get the indices defining the vertices.

void	SetVertices (const Array< int > &v) override
	Set the indices defining the vertices.

int *	GetVertices () override

void	SetVertices (const int *ind) override
	Set the indices defining the vertices.

int	GetNVertices () const override

int	GetNEdges () const override

const int *	GetEdgeVertices (int ei) const override

MFEM_DEPRECATED int	GetNFaces (int &nFaceVertices) const override

int	GetNFaces () const override

int	GetNFaceVertices (int) const override

const int *	GetFaceVertices (int fi) const override

Element *	Duplicate (Mesh *m) const override

virtual	~Triangle ()=default

Public Member Functions inherited from mfem::Element
	Element (Geometry::Type bg=Geometry::POINT)
	Default element constructor.

Geometry::Type	GetGeometryType () const

int	GetAttribute () const
	Return element's attribute.

void	SetAttribute (const int attr)
	Set element's attribute.

const int *	GetVertices () const

virtual	~Element ()
	Destroys element.

Static Public Member Functions
static void	MarkEdge (int indices, const DSTable &v_to_v, const int length)

static void	GetPointMatrix (unsigned transform, DenseMatrix &pm)
	Calculate point matrix corresponding to a chain of transformations.

Protected Attributes
int	indices [3]

unsigned	transform

Protected Attributes inherited from mfem::Element
int	attribute
	Element's attribute (specifying material property, etc).

Geometry::Type	base_geom
	Element's type from the Finite Element's perspective.

Detailed Description

Data type triangle element.

Definition at line 23 of file triangle.hpp.

Member Typedef Documentation

◆ geom_t

typedef Geometry::Constants<Geometry::TRIANGLE> mfem::Triangle::geom_t

Definition at line 31 of file triangle.hpp.

Constructor & Destructor Documentation

◆ Triangle() [1/3]

mfem::Triangle::Triangle ( )

inline

Definition at line 33 of file triangle.hpp.

◆ Triangle() [2/3]

mfem::Triangle::Triangle	(	const int *	ind,
		int	attr = 1 )

Constructs triangle by specifying the indices and the attribute.

Definition at line 17 of file triangle.cpp.

◆ Triangle() [3/3]

mfem::Triangle::Triangle	(	int	ind1,
		int	ind2,
		int	ind3,
		int	attr = 1 )

Constructs triangle by specifying the indices and the attribute.

Definition at line 27 of file triangle.cpp.

◆ ~Triangle()

virtual mfem::Triangle::~Triangle ( )

virtualdefault

Member Function Documentation

◆ Duplicate()

Element * mfem::Triangle::Duplicate ( Mesh * m ) const

inlineoverridevirtual

Note: The returned object should be deleted by the caller.

Implements mfem::Element.

Definition at line 99 of file triangle.hpp.

◆ GetEdgeVertices()

const int * mfem::Triangle::GetEdgeVertices ( int ei ) const

inlineoverridevirtual

Implements mfem::Element.

Definition at line 85 of file triangle.hpp.

◆ GetFaceVertices()

const int * mfem::Triangle::GetFaceVertices ( int fi ) const

inlineoverridevirtual

Implements mfem::Element.

Definition at line 96 of file triangle.hpp.

◆ GetNEdges()

int mfem::Triangle::GetNEdges ( ) const

inlineoverridevirtual

Implements mfem::Element.

Definition at line 83 of file triangle.hpp.

◆ GetNFaces() [1/2]

int mfem::Triangle::GetNFaces ( void ) const

inlineoverridevirtual

Implements mfem::Element.

Definition at line 92 of file triangle.hpp.

◆ GetNFaces() [2/2]

MFEM_DEPRECATED int mfem::Triangle::GetNFaces ( int & nFaceVertices ) const

inlineoverridevirtual

Deprecated: Use GetNFaces(void) and GetNFaceVertices(int) instead.

Implements mfem::Element.

Definition at line 89 of file triangle.hpp.

◆ GetNFaceVertices()

int mfem::Triangle::GetNFaceVertices ( int ) const

inlineoverridevirtual

Implements mfem::Element.

Definition at line 94 of file triangle.hpp.

◆ GetNVertices()

int mfem::Triangle::GetNVertices ( ) const

inlineoverridevirtual

Implements mfem::Element.

Definition at line 81 of file triangle.hpp.

◆ GetPointMatrix()

void mfem::Triangle::GetPointMatrix	(	unsigned	transform,
		DenseMatrix &	pm )

static

Calculate point matrix corresponding to a chain of transformations.

Definition at line 126 of file triangle.cpp.

◆ GetTransform()

unsigned mfem::Triangle::GetTransform ( ) const

inlineoverridevirtual

Return current coarse-fine transformation.

Reimplemented from mfem::Element.

Definition at line 59 of file triangle.hpp.

◆ GetType()

Type mfem::Triangle::GetType ( ) const

inlineoverridevirtual

Return element's type.

Implements mfem::Element.

Definition at line 42 of file triangle.hpp.

◆ GetVertices() [1/2]

int * mfem::Triangle::GetVertices ( )

inlineoverridevirtual

Note: The returned array should NOT be deleted by the caller.

Implements mfem::Element.

Definition at line 75 of file triangle.hpp.

◆ GetVertices() [2/2]

void mfem::Triangle::GetVertices ( Array< int > & v ) const

overridevirtual

Get the indices defining the vertices.

Implements mfem::Element.

Definition at line 188 of file triangle.cpp.

◆ MarkEdge() [1/3]

void mfem::Triangle::MarkEdge	(	const DSTable &	v_to_v,
		const int *	length )

inlineoverridevirtual

Mark the longest edge by assuming/changing the order of the vertices.

Reimplemented from mfem::Element.

Definition at line 55 of file triangle.hpp.

◆ MarkEdge() [2/3]

void mfem::Triangle::MarkEdge ( DenseMatrix & pmat )

Reorder the vertices so that the longest edge is from vertex 0 to vertex 1. If called it should be once from the mesh constructor, because the order may be used later for setting the edges.

Definition at line 53 of file triangle.cpp.

◆ MarkEdge() [3/3]

void mfem::Triangle::MarkEdge	(	int *	indices,
		const DSTable &	v_to_v,
		const int *	length )

static

Definition at line 101 of file triangle.cpp.

◆ NeedRefinement()

int mfem::Triangle::NeedRefinement ( HashTable< Hashed2 > & v_to_v ) const

overridevirtual

Return 1 if the element needs refinement in order to get conforming mesh.

Reimplemented from mfem::Element.

Definition at line 37 of file triangle.cpp.

◆ PushTransform()

void mfem::Triangle::PushTransform ( int tr )

inlineoverridevirtual

Add 'tr' to the current chain of coarse-fine transformations.

Reimplemented from mfem::Element.

Definition at line 62 of file triangle.hpp.

◆ ResetTransform()

void mfem::Triangle::ResetTransform ( int tr )

inlineoverridevirtual

Set current coarse-fine transformation number.

Reimplemented from mfem::Element.

Definition at line 58 of file triangle.hpp.

◆ SetVertices() [1/2]

void mfem::Triangle::SetVertices ( const Array< int > & v )

overridevirtual

Set the indices defining the vertices.

Implements mfem::Element.

Definition at line 194 of file triangle.cpp.

◆ SetVertices() [2/2]

void mfem::Triangle::SetVertices ( const int * ind )

overridevirtual

Set the indices defining the vertices.

Implements mfem::Element.

Definition at line 45 of file triangle.cpp.

Member Data Documentation

◆ indices

int mfem::Triangle::indices[3]

protected

Definition at line 26 of file triangle.hpp.

◆ transform

unsigned mfem::Triangle::transform

protected

Definition at line 28 of file triangle.hpp.

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

mesh/triangle.hpp
mesh/triangle.cpp

Public Types

Public Member Functions

Static Public Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

◆ geom_t

Constructor & Destructor Documentation

◆ Triangle() [1/3]

◆ Triangle() [2/3]

◆ Triangle() [3/3]

◆ ~Triangle()

Member Function Documentation

◆ Duplicate()

◆ GetEdgeVertices()

◆ GetFaceVertices()

◆ GetNEdges()

◆ GetNFaces() [1/2]

◆ GetNFaces() [2/2]

◆ GetNFaceVertices()

◆ GetNVertices()

◆ GetPointMatrix()

◆ GetTransform()

◆ GetType()

◆ GetVertices() [1/2]

◆ GetVertices() [2/2]

◆ MarkEdge() [1/3]

◆ MarkEdge() [2/3]

◆ MarkEdge() [3/3]

◆ NeedRefinement()

◆ PushTransform()

◆ ResetTransform()

◆ SetVertices() [1/2]

◆ SetVertices() [2/2]

Member Data Documentation

◆ indices

◆ transform