class TriangulationVertex : public ListElement<TriangulationVertex>

triangulation topological vertex

Inheritance:

Public Methods

void	setEdge (TriangulationEdge *e) set vertex neighboring edge
void	setOrientation (unsigned int o) set vertex orientation
TriangulationEdge*	getFirstEdge (void) const returns vertex first edge
unsigned int	getOrientation (void) const returns vertex first edge orientation
TriangulationTriangle*	getFirstTriangle (void) const returns vertex first triangle
bool	isAdjacent (TriangulationVertex *v) const tests if the vertex is adjacent to a given vertex
bool	isReal () const whether the vertex is real or virtual
static TriangulationEdge*	nextEdge (const TriangulationEdge *e, int& orientation) returns edge following a given edge with its orientation
static TriangulationEdge*	previousEdge (const TriangulationEdge *e, int& orientation) returns edge preceeding e given e orientation
VertexContour*	getVertexContour () const returns the pointer on the contour vertex associated with a vertex
Triangulation*	getTriangulation () const returns the triangulation the vertex belongs to
unsigned int	getNumberAdjacentTriangles (void) const returns number of triangles around vertex
unsigned int	getNumberAdjacentEdges (void) const returns number of edges around vertex
template TriangulationVertex::TriangleVertexIterator	getTriangleIterator (void) const returns an iterator over face vertices
template VertexIterator	getVertexIterator (void) const returns an iterator over neighboring vertices
template TriangulationVertex::EdgeVertexIterator	getEdgeIterator (void) const returns an iterator over vertex edges
int	getRef (void) const returns vertex reference
void	setVirtualNeighborhood () set the vertex as a virtual vertex : consequently, it sets all neighboring edges and triangles as empty
void	removeVirtualNeighborhood () if the vertex is a virtual vertex it sets all neighboring edges and triangles as real

Public

	constructor TriangulationVertex (Triangulation *mesh, bool empty=false, TriangulationEdge *edge=0, unsigned int orientation=0) constructor
	destructor virtual ~TriangulationVertex () delete vertex
	vertex iterators iterators over vertex shell vertices or triangles class BasicIterator a basic iterator around a vertex const TriangulationVertex* vertex vertex to iterate on TriangulationEdge* currentEdge current edge int currentOrientation current edge orientation TriangulationTriangle* start first triangle around vertex bool hasChanged whether the iterator has been modified void next (void) get next edge void previous (void) get previous edge constructor BasicIterator (const TriangulationVertex *v) constructor builds a new iterator on vertex destructor ~BasicIterator () delete vertex void first (void) set iterator to first element void last (void) set iterator to last element bool isAtEnd (void) is iterator at end of vertex? template class TriangleVertexIterator : public BasicIterator iterator on vertex triangles constructor TriangleVertexIterator (const TriangulationVertex *v) constructor builds a triangle iterator around a vertex destructor ~TriangleVertexIterator () delete vertex T* operator* (void) const returns current triangle T* operator++ (void) set iterator on next triangle and returns it T* operator++ (int) returns current triangle then set iterator on next one T* operator-- (void) set iterator on previous triangle and returns it T* operator-- (int) returns current triangle then set iterator on previous one template class VertexIterator : public BasicIterator basic vertex iterator around a vertex constructor VertexIterator (const TriangulationVertex *v) constructor builds a new iterator on vertex destructor ~VertexIterator () delete vertex T* operator* (void) const returns current vertex T* operator++ (void) set iterator on next vertex and returns it T* operator++ (int) returns current vertex then set iterator on next one T* operator-- (void) set iterator on previous vertex and returns it T* operator-- (int) returns current vertex then set iterator on previous one template class EdgeVertexIterator : public BasicIterator iterator over vertex edges constructor EdgeVertexIterator (const TriangulationVertex *v) constructor builds an edge iterator around a vertex destructor ~EdgeVertexIterator () delete vertex T* operator* (void) const returns current edge T* operator++ (void) set iterator on next edge and returns it T* operator++ (int) returns current edge then set iterator on next one T* operator-- (void) set iterator on previous edge and returns it T* operator-- (int) returns current edge then set iterator on previous one

Protected Fields

Triangulation*	triangulation triangulation to which this vertex belongs
TriangulationEdge*	edge one edge adjacent to this vertex
unsigned int	orientation vertex orientation 0 means this = edge->vertex[0], run along edge->face[0] -> edge->face[1] 1 means this = edge->vertex[1], run along edge->face[1] -> edge->face[0]
VertexContour*	vertexContour the associated vertex contour
int	ref vertex unique reference
bool	empty if the vertex is empty or not

Triangulation* triangulation

triangulation to which this vertex belongs

TriangulationEdge* edge

one edge adjacent to this vertex

unsigned int orientation

vertex orientation 0 means this = edge->vertex[0], run along edge->face[0] -> edge->face[1] 1 means this = edge->vertex[1], run along edge->face[1] -> edge->face[0]

VertexContour* vertexContour

the associated vertex contour

int ref

vertex unique reference

bool empty

if the vertex is empty or not

constructor

TriangulationVertex(Triangulation *mesh, bool empty=false, TriangulationEdge *edge=0, unsigned int orientation=0)

constructor

Parameters:

mesh - vertex mesh
edge - one face edge
orientation - face orientation versus edge orientation (0 or 1)

destructor

virtual ~TriangulationVertex()

delete vertex

void setEdge(TriangulationEdge *e)

set vertex neighboring edge

void setOrientation(unsigned int o)

set vertex orientation

TriangulationEdge* getFirstEdge(void) const

returns vertex first edge

unsigned int getOrientation(void) const

returns vertex first edge orientation

TriangulationTriangle* getFirstTriangle(void) const

returns vertex first triangle

bool isAdjacent(TriangulationVertex *v) const

tests if the vertex is adjacent to a given vertex

bool isReal() const

whether the vertex is real or virtual

static TriangulationEdge* nextEdge(const TriangulationEdge *e, int& orientation)

returns edge following a given edge with its orientation

Returns:

following edge and its orientation (in orientation parameter)

Parameters:

e - current edge
orientation - e orientation (0 means triangle[0] -> triangle[1] and 1 means triangle[1] -> triangle[0])

static TriangulationEdge* previousEdge(const TriangulationEdge *e, int& orientation)

returns edge preceeding e given e orientation

Returns:

previous edge and its orientation (in orientation parameter)

Parameters:

e - current edge
orientation - e orientation (0 means triangle[0] -> triangle[1] and 1 means triangle[1] -> triangle[0])

VertexContour* getVertexContour() const

returns the pointer on the contour vertex associated with a vertex. May return NULL

vertex iterators

iterators over vertex shell vertices or triangles

class BasicIterator

a basic iterator around a vertex

const TriangulationVertex* vertex

vertex to iterate on

TriangulationEdge* currentEdge

current edge

int currentOrientation

current edge orientation

TriangulationTriangle* start

first triangle around vertex

bool hasChanged

whether the iterator has been modified

void next(void)

get next edge

void previous(void)

get previous edge

constructor

BasicIterator(const TriangulationVertex *v)

constructor builds a new iterator on vertex

Parameters:

v - the vertex to iterate around

destructor

~BasicIterator()

delete vertex

void first(void)

set iterator to first element

void last(void)

set iterator to last element

bool isAtEnd(void)

is iterator at end of vertex?

template class TriangleVertexIterator: public BasicIterator

iterator on vertex triangles

constructor

TriangleVertexIterator(const TriangulationVertex *v)

constructor builds a triangle iterator around a vertex

Parameters:

v - the vertex to iterate around

destructor

~TriangleVertexIterator()

delete vertex

T* operator*(void) const

returns current triangle

T* operator++(void)

set iterator on next triangle and returns it

T* operator++(int)

returns current triangle then set iterator on next one

T* operator--(void)

set iterator on previous triangle and returns it

T* operator--(int)

returns current triangle then set iterator on previous one

template class VertexIterator: public BasicIterator

basic vertex iterator around a vertex

constructor

VertexIterator(const TriangulationVertex *v)

constructor builds a new iterator on vertex

Parameters:

v - the vertex to iterate around

destructor

~VertexIterator()

delete vertex

T* operator*(void) const

returns current vertex

T* operator++(void)

set iterator on next vertex and returns it

T* operator++(int)

returns current vertex then set iterator on next one

T* operator--(void)

set iterator on previous vertex and returns it

T* operator--(int)

returns current vertex then set iterator on previous one

template class EdgeVertexIterator: public BasicIterator

iterator over vertex edges

constructor

EdgeVertexIterator(const TriangulationVertex *v)

constructor builds an edge iterator around a vertex

Parameters:

v - the vertex to iterate around

destructor

~EdgeVertexIterator()

delete vertex

T* operator*(void) const

returns current edge

T* operator++(void)

set iterator on next edge and returns it

T* operator++(int)

returns current edge then set iterator on next one

T* operator--(void)

set iterator on previous edge and returns it

T* operator--(int)

returns current edge then set iterator on previous one

Triangulation* getTriangulation() const

returns the triangulation the vertex belongs to

unsigned int getNumberAdjacentTriangles(void) const

returns number of triangles around vertex

unsigned int getNumberAdjacentEdges(void) const

returns number of edges around vertex

template TriangulationVertex::TriangleVertexIterator getTriangleIterator(void) const

returns an iterator over face vertices

template VertexIterator getVertexIterator(void) const

returns an iterator over neighboring vertices

template TriangulationVertex::EdgeVertexIterator getEdgeIterator(void) const

returns an iterator over vertex edges

int getRef(void) const

returns vertex reference

void setVirtualNeighborhood()

set the vertex as a virtual vertex : consequently, it sets all neighboring edges and triangles as empty

void removeVirtualNeighborhood()

if the vertex is a virtual vertex it sets all neighboring edges and triangles as real

Direct child classes:

TriangulationVertex3D

alphabetic index hierarchy of classes

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