Defines the mesh component: triangle. More...

#include <WEMTriangle.h>

Inheritance diagram for ml::WEMTriangle:

Public Member Functions
	WEMTriangle ()
	Standard constructor.

	WEMTriangle (const WEMTriangle &t)
	Standard copy constructor.

	WEMTriangle (WEMTriangle &&t) noexcept
	Move constructor.

WEMTriangle &	operator= (WEMTriangle &&t) noexcept
	Move assignment operator.

	~WEMTriangle () override
	Standard destructor.

void	reset ()
	Resets the object to default constructed state.

void	clone (WEMTriangle *triangle)
	Clones given triangle.

void	computeNormal () override
	Computes the normal.

unsigned int	getNumNodes () const override
	Returns the number of nodes.

int	getIndex (WEMNode *node) const override
	Returns the index of the given node.

WEMNode *	getNodeAt (unsigned int index) override
	Returns the node at the given index in this face.

const WEMNode *	getNodeAt (unsigned int index) const override
	Returns the node at the given index in this face.

void	setNode (unsigned int index, WEMNode *node) override
	Sets the given node to the given index in this face.

virtual void	setNodes (WEMNode node1, WEMNode node2, WEMNode *node3)
	Sets the given nodes.

void	replace (WEMNode orig, WEMNode replacement) override
	Replaces the given orig node by the given replace node.

bool	contains (WEMNode *node) const override
	Returns whether this face contains the given node.

Vector3	getNodePositionAt (unsigned int index) const override
	Returns the position of a node at the given index.

int	getIndex (WEMEdge *edge) const override
	Returns the index of the given edge.

WEMEdge *	getEdgeAt (unsigned int index) override
	Returns the edge at the given index in this face.

const WEMEdge *	getEdgeAt (unsigned int index) const override
	Returns the edge at the given index in this face.

void	setEdge (unsigned int index, WEMEdge *edge) override
	Sets the given edge to the given index in this face.

virtual void	setEdges (WEMEdge edge1, WEMEdge edge2, WEMEdge *edge3)
	Sets the given edges.

void	replace (WEMEdge orig, WEMEdge replacement) override
	Replaces the given orig node by the given replace edge.

bool	contains (WEMEdge *edge) const override
	Returns whether this face contains the given edge.

void	removeEdges () override
	Removes all edge pointers of this face.

Vector3	getCentroid () const override
	Returns the geometric centroid of this face.

void	getCentroid (Vector3 &centroid) const override

double	getPerimeter () const override
	Calculates the perimeter of this face.

double	getArea () const override
	Calculates the area of this face.

WEMNode *	getOther (WEMNode n1, WEMNode n2) override
	Returns the node incident to this face that is not given as a parameter.

const WEMNode *	getOther (WEMNode n1, WEMNode n2) const override
	Returns the node incident to this face that is not given as a parameter.

WEMEdge *	getOther (WEMEdge e1, WEMEdge e2) override
	Returns the edge incident to this face that is not given as a parameter.

const WEMEdge *	getOther (WEMEdge e1, WEMEdge e2) const override
	Returns the edge incident to this face that is not given as a parameter.

WEMEdge *	getEdgeNotContaining (WEMNode *n) override
	Returns the edge not containing given node.

const WEMEdge *	getEdgeNotContaining (WEMNode *n) const override
	Returns the edge not containing given node.

double	getQuality () const override
	Calculates the quality of the face.

int	isConcave () const override
	Checks whether this face a concave polygon. Return the number of concavities.

virtual bool	isFolding (WEMNode *node, const Vector3 &position) const
	Returns whether this face is folding?

virtual bool	pointInTriangle (const Vector3 &position) const
	Returns whether the given point is in this triangle.

virtual bool	rayIntersect (const Vector3 &origin, const Vector3 &direction) const
	Returns whether the given ray intersects this triangle?

void	mirror () override
	Mirrors this face. Note that the edge information gets corrupted! Use WEM::buildEdgeConnectivity afterwards!

Public Member Functions inherited from ml::WEMFace
	WEMFace ()
	Standard constructor.

	WEMFace (const WEMFace &f)
	Standard copy constructor.

	WEMFace (WEMFace &&f) noexcept

WEMFace &	operator= (WEMFace &&f) noexcept

	~WEMFace () override
	Standard destructor.

void	reset ()
	Resets the object to default constructed state.

void	clone (WEMFace *face)
	Clones given face.

Vector3	getNormal () const
	Returns the normal.

void	setNormal (const Vector3 &normal)
	Sets the normal.

virtual WEMBoundingBox	getBoundingBox ()
	Calculates the bounding box of face.

bool	isBoundingBoxValid () const

void	invalidateBoundingBox ()

Public Member Functions inherited from ml::WEMPrimitive
	WEMPrimitive ()

	WEMPrimitive (const WEMPrimitive &)=default

	WEMPrimitive (WEMPrimitive &&p) noexcept

WEMPrimitive &	operator= (const WEMPrimitive &)=default

WEMPrimitive &	operator= (WEMPrimitive &&p) noexcept

virtual	~WEMPrimitive ()=default
	Standard destructor.

void	resetPrimitive ()
	Resets the object to its default constructed state.

int	getEntryNumber () const
	Returns the entry number.

void	setEntryNumber (int e)
	Sets the entry number.

bool	isSet (unsigned int bit) const
	Returns whether the bit-flag is set.

void	setFlag (unsigned int bit)
	Sets the given bit-flag.

void	unsetFlag (unsigned int bit)
	Unsets the given bit-flag.

void	clearFlag ()
	Clears the bit-flag.

bool	isTraversed () const
	Returns whether this primitive has been traversed.

void	setTraversed (bool traversed)
	Sets the traversed flag.

int	getHeapPosition () const
	Returns the heap position.

bool	inHeap () const
	Returns whether this primitive is in the heap.

void	setHeapPosition (int heapPosition)
	Sets the heap position.

double	getHeapValue () const
	Returns the heap value.

void	setHeapValue (double heapValue)
	Sets the heap value.

Public Attributes
std::array< WEMNode *, 3 >	_nodes
	Node pointers.

std::array< WEMEdge *, 3 >	_edges
	Edge pointers.

Friends
bool MLWEM_EXPORT	operator== (const WEMTriangle &x, const WEMTriangle &y)
	Operator for equality. Currently only the node positions of the triangles and their orientation are compared.

bool MLWEM_EXPORT	operator!= (const WEMTriangle &x, const WEMTriangle &y)
	Operator for not equality.

Additional Inherited Members
Protected Attributes inherited from ml::WEMFace
Vector3	_normal
	Normal.

WEMBoundingBox	_boundingBox
	Bounding Box.

bool	_isBoundingBoxValid
	Is the bounding box valid?

Protected Attributes inherited from ml::WEMPrimitive
unsigned int	_bitFlag
	Bit-wise flag for custom use.

int	_entryNumber
	Entry number in index vector, for easy deletion and reference.

int	_heapPosition
	Heap position, same like entryNumber but for heaps.

double	_heapValue
	Element value, used for heap sorting.

Detailed Description

Defines the mesh component: triangle.

Definition at line 26 of file WEMTriangle.h.

Constructor & Destructor Documentation

◆ WEMTriangle() [1/3]

ml::WEMTriangle::WEMTriangle ( )

Standard constructor.

◆ WEMTriangle() [2/3]

ml::WEMTriangle::WEMTriangle ( const WEMTriangle & t )

Standard copy constructor.

◆ WEMTriangle() [3/3]

ml::WEMTriangle::WEMTriangle ( WEMTriangle && t )

noexcept

Move constructor.

◆ ~WEMTriangle()

ml::WEMTriangle::~WEMTriangle ( )

override

Standard destructor.

Member Function Documentation

◆ clone()

void ml::WEMTriangle::clone ( WEMTriangle * triangle )

Clones given triangle.

◆ computeNormal()

void ml::WEMTriangle::computeNormal ( )

overridevirtual

Computes the normal.

Implements ml::WEMFace.

◆ contains() [1/2]

bool ml::WEMTriangle::contains ( WEMEdge * edge ) const

overridevirtual

Returns whether this face contains the given edge.

Implements ml::WEMFace.

◆ contains() [2/2]

bool ml::WEMTriangle::contains ( WEMNode * node ) const

overridevirtual

Returns whether this face contains the given node.

Implements ml::WEMFace.

◆ getArea()

double ml::WEMTriangle::getArea ( ) const

overridevirtual

Calculates the area of this face.

Implements ml::WEMFace.

◆ getCentroid() [1/2]

Vector3 ml::WEMTriangle::getCentroid ( ) const

overridevirtual

Returns the geometric centroid of this face.

Implements ml::WEMFace.

◆ getCentroid() [2/2]

void ml::WEMTriangle::getCentroid ( Vector3 & centroid ) const

overridevirtual

Implements ml::WEMFace.

◆ getEdgeAt() [1/2]

const WEMEdge * ml::WEMTriangle::getEdgeAt ( unsigned int index ) const

inlineoverridevirtual

Returns the edge at the given index in this face.

Reimplemented from ml::WEMFace.

Definition at line 76 of file WEMTriangle.h.

References getEdgeAt().

Referenced by getEdgeAt().

◆ getEdgeAt() [2/2]

WEMEdge * ml::WEMTriangle::getEdgeAt ( unsigned int index )

inlineoverridevirtual

Returns the edge at the given index in this face.

Reimplemented from ml::WEMFace.

Definition at line 74 of file WEMTriangle.h.

◆ getEdgeNotContaining() [1/2]

const WEMEdge * ml::WEMTriangle::getEdgeNotContaining ( WEMNode * n ) const

inlineoverridevirtual

Returns the edge not containing given node.

Implements ml::WEMFace.

Definition at line 111 of file WEMTriangle.h.

References getEdgeNotContaining(), and mlrange_cast().

Referenced by getEdgeNotContaining().

◆ getEdgeNotContaining() [2/2]

WEMEdge * ml::WEMTriangle::getEdgeNotContaining ( WEMNode * n )

overridevirtual

Returns the edge not containing given node.

Implements ml::WEMFace.

◆ getIndex() [1/2]

int ml::WEMTriangle::getIndex ( WEMEdge * edge ) const

overridevirtual

Returns the index of the given edge.

Implements ml::WEMFace.

◆ getIndex() [2/2]

int ml::WEMTriangle::getIndex ( WEMNode * node ) const

overridevirtual

Returns the index of the given node.

Implements ml::WEMFace.

◆ getNodeAt() [1/2]

const WEMNode * ml::WEMTriangle::getNodeAt ( unsigned int index ) const

inlineoverridevirtual

Returns the node at the given index in this face.

Implements ml::WEMFace.

Definition at line 56 of file WEMTriangle.h.

References getNodeAt().

Referenced by getNodeAt().

◆ getNodeAt() [2/2]

WEMNode * ml::WEMTriangle::getNodeAt ( unsigned int index )

inlineoverridevirtual

Returns the node at the given index in this face.

Implements ml::WEMFace.

Definition at line 54 of file WEMTriangle.h.

◆ getNodePositionAt()

Vector3 ml::WEMTriangle::getNodePositionAt ( unsigned int index ) const

inlineoverridevirtual

Returns the position of a node at the given index.

Implements ml::WEMFace.

Definition at line 69 of file WEMTriangle.h.

◆ getNumNodes()

unsigned int ml::WEMTriangle::getNumNodes ( ) const

inlineoverridevirtual

Returns the number of nodes.

Implements ml::WEMFace.

Definition at line 50 of file WEMTriangle.h.

◆ getOther() [1/4]

const WEMEdge * ml::WEMTriangle::getOther	(	WEMEdge *	e1,
		WEMEdge *	e2 ) const

inlineoverridevirtual

Returns the edge incident to this face that is not given as a parameter.

Implements ml::WEMFace.

Definition at line 107 of file WEMTriangle.h.

References getOther(), and mlrange_cast().

Referenced by getOther().

◆ getOther() [2/4]

WEMEdge * ml::WEMTriangle::getOther	(	WEMEdge *	e1,
		WEMEdge *	e2 )

overridevirtual

Returns the edge incident to this face that is not given as a parameter.

Implements ml::WEMFace.

◆ getOther() [3/4]

const WEMNode * ml::WEMTriangle::getOther	(	WEMNode *	n1,
		WEMNode *	n2 ) const

inlineoverridevirtual

Returns the node incident to this face that is not given as a parameter.

Implements ml::WEMFace.

Definition at line 103 of file WEMTriangle.h.

References getOther(), and mlrange_cast().

Referenced by getOther().

◆ getOther() [4/4]

WEMNode * ml::WEMTriangle::getOther	(	WEMNode *	n1,
		WEMNode *	n2 )

overridevirtual

Returns the node incident to this face that is not given as a parameter.

Implements ml::WEMFace.

◆ getPerimeter()

double ml::WEMTriangle::getPerimeter ( ) const

overridevirtual

Calculates the perimeter of this face.

Implements ml::WEMFace.

◆ getQuality()

double ml::WEMTriangle::getQuality ( ) const

overridevirtual

Calculates the quality of the face.

The quality of a triangle is defined as the ratio of the square root of its surface area to its perimeter relative to this same ratio for an equilateral triangle with the same area. The quality is then one for an equilateral triangle and tends to zero for a very stretched triangle.

Implements ml::WEMFace.

◆ isConcave()

int ml::WEMTriangle::isConcave ( ) const

inlineoverridevirtual

Checks whether this face a concave polygon. Return the number of concavities.

Implements ml::WEMFace.

Definition at line 120 of file WEMTriangle.h.

◆ isFolding()

virtual bool ml::WEMTriangle::isFolding	(	WEMNode *	node,
		const Vector3 &	position ) const

virtual

Returns whether this face is folding?

◆ mirror()

void ml::WEMTriangle::mirror ( )

overridevirtual

Mirrors this face. Note that the edge information gets corrupted! Use WEM::buildEdgeConnectivity afterwards!

Implements ml::WEMFace.

◆ operator=()

WEMTriangle & ml::WEMTriangle::operator= ( WEMTriangle && t )

noexcept

Move assignment operator.

◆ pointInTriangle()

virtual bool ml::WEMTriangle::pointInTriangle ( const Vector3 & position ) const

virtual

Returns whether the given point is in this triangle.

◆ rayIntersect()

virtual bool ml::WEMTriangle::rayIntersect	(	const Vector3 &	origin,
		const Vector3 &	direction ) const

virtual

Returns whether the given ray intersects this triangle?

◆ removeEdges()

void ml::WEMTriangle::removeEdges ( )

overridevirtual

Removes all edge pointers of this face.

Implements ml::WEMFace.

◆ replace() [1/2]

void ml::WEMTriangle::replace	(	WEMEdge *	orig,
		WEMEdge *	replacement )

overridevirtual

Replaces the given orig node by the given replace edge.

Implements ml::WEMFace.

◆ replace() [2/2]

void ml::WEMTriangle::replace	(	WEMNode *	orig,
		WEMNode *	replacement )

overridevirtual

Replaces the given orig node by the given replace node.

Implements ml::WEMFace.

◆ reset()

void ml::WEMTriangle::reset ( )

Resets the object to default constructed state.

◆ setEdge()

void ml::WEMTriangle::setEdge	(	unsigned int	index,
		WEMEdge *	edge )

inlineoverridevirtual

Sets the given edge to the given index in this face.

Reimplemented from ml::WEMFace.

Definition at line 78 of file WEMTriangle.h.

References ml::WEMFace::invalidateBoundingBox().

◆ setEdges()

virtual void ml::WEMTriangle::setEdges	(	WEMEdge *	edge1,
		WEMEdge *	edge2,
		WEMEdge *	edge3 )

inlinevirtual

Sets the given edges.

Definition at line 80 of file WEMTriangle.h.

References ml::WEMFace::invalidateBoundingBox(), and mlrange_cast().

◆ setNode()

void ml::WEMTriangle::setNode	(	unsigned int	index,
		WEMNode *	node )

inlineoverridevirtual

Sets the given node to the given index in this face.

Reimplemented from ml::WEMFace.

Definition at line 58 of file WEMTriangle.h.

References ml::WEMFace::invalidateBoundingBox().

◆ setNodes()

virtual void ml::WEMTriangle::setNodes	(	WEMNode *	node1,
		WEMNode *	node2,
		WEMNode *	node3 )

inlinevirtual

Sets the given nodes.

Definition at line 60 of file WEMTriangle.h.

References ml::WEMFace::invalidateBoundingBox(), and mlrange_cast().

Friends And Related Symbol Documentation

◆ operator!=

bool MLWEM_EXPORT operator!=	(	const WEMTriangle &	x,
		const WEMTriangle &	y )

friend

Operator for not equality.

◆ operator==

bool MLWEM_EXPORT operator==	(	const WEMTriangle &	x,
		const WEMTriangle &	y )

friend

Operator for equality. Currently only the node positions of the triangles and their orientation are compared.

Member Data Documentation

◆ _edges

std::array<WEMEdge*, 3> ml::WEMTriangle::_edges

Edge pointers.

Definition at line 141 of file WEMTriangle.h.

◆ _nodes

std::array<WEMNode*, 3> ml::WEMTriangle::_nodes

Node pointers.

Definition at line 139 of file WEMTriangle.h.

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

MeVisLab/Standard/Sources/ML/MLWEM/WEMBase/WEMTriangle.h

Public Member Functions

Public Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ WEMTriangle() [1/3]

◆ WEMTriangle() [2/3]

◆ WEMTriangle() [3/3]

◆ ~WEMTriangle()

Member Function Documentation

◆ clone()

◆ computeNormal()

◆ contains() [1/2]

◆ contains() [2/2]

◆ getArea()

◆ getCentroid() [1/2]

◆ getCentroid() [2/2]

◆ getEdgeAt() [1/2]

◆ getEdgeAt() [2/2]

◆ getEdgeNotContaining() [1/2]

◆ getEdgeNotContaining() [2/2]

◆ getIndex() [1/2]

◆ getIndex() [2/2]

◆ getNodeAt() [1/2]

◆ getNodeAt() [2/2]

◆ getNodePositionAt()

◆ getNumNodes()

◆ getOther() [1/4]

◆ getOther() [2/4]

◆ getOther() [3/4]

◆ getOther() [4/4]

◆ getPerimeter()

◆ getQuality()

◆ isConcave()

◆ isFolding()

◆ mirror()

◆ operator=()

◆ pointInTriangle()

◆ rayIntersect()

◆ removeEdges()

◆ replace() [1/2]

◆ replace() [2/2]

◆ reset()

◆ setEdge()

◆ setEdges()

◆ setNode()

◆ setNodes()

Friends And Related Symbol Documentation

◆ operator!=

◆ operator==

Member Data Documentation

◆ _edges

◆ _nodes