class Triangulation

topological triangulation mesh

Inheritance:

Public Methods

virtual TriangulationTriangle*	newTriangle (TriangulationTriangle *n0 = 0, TriangulationTriangle *n1 = 0, TriangulationTriangle *n2 = 0, TriangulationVertex *v0 = 0, TriangulationVertex *v1 = 0, TriangulationVertex *v2 = 0, TriangulationEdge *e0 = 0, TriangulationEdge *e1 = 0, TriangulationEdge *e2 = 0, TriangulationZone *zone = 0) creates a new triangle
virtual TriangulationEdge*	newEdge ( TriangulationVertex *v1, TriangulationVertex *v2, TriangulationTriangle *t1 = 0, TriangulationTriangle *t2 = 0) creates a new edge
virtual TriangulationVertex*	newVertex (TriangulationEdge *edge, unsigned int orientation ) creates a new vertex
virtual unsigned int	regularizeTopology (void) Regularize the mesh topology using edge swapping
static TriangulationVertex*	sameVertex (const TriangulationEdge *e1, const TriangulationEdge *e2) test if two edges are adjacent to the same vertex returns a pointer to this vertex
TriangulationVertexIterator	firstVertex (void) const returns an iterator on vertices, initialized on first vertex
TriangulationVertexIterator	lastVertex (void) const returns an iterator on vertices, initialized on last vertex
TriangulationEdgeIterator	firstEdge (void) const returns an iterator on edges, initialized on first edge
TriangulationEdgeIterator	lastEdge (void) const returns an iterator on edges, initialized on last edge
TriangulationTriangleIterator	firstTriangle (void) const returns an iterator on triangles, initialized on first triangle
TriangulationTriangleIterator	lastTriangle (void) const returns an iterator on triangles, initialized on last triangle
TriangulationZoneIterator	firstZone (void) const returns an iterator on zones, initialized on first zone
TriangulationZoneIterator	lastZone (void) const returns an iterator on zones, initialized on first zone
TriangulationVertex*	getFirstVertex (void) const returns first triangulation vertex
TriangulationEdge*	getFirstEdge (void) const returns first triangulation edge
TriangulationTriangle*	getFirstTriangle (void) const returns first triangulation triangle
TriangulationZone*	getFirstZone (void) const returns first triangulation zone
unsigned int	getNumberOfVertices (void) const returns mesh number of vertices
unsigned int	getNumberOfEdges (void) const returns mesh number of edges
unsigned int	getNumberOfTriangles (void) const returns mesh number of triangles
unsigned int	getNumberOfZones (void) const returns mesh number of zones
void	addVertex (TriangulationVertex* v) add a new vertex to this mesh, the vertex reference is updated
void	addEdge (TriangulationEdge* e) add a new edge to this mesh, the edge reference is updated
void	addTriangle (TriangulationTriangle * f) add a new triangle to this mesh, the face reference is updated
void	addZone (TriangulationZone* z) add a new zone to this mesh, the zone reference is updated
bool	topologyCheck (void) const Checks if the mesh topology is correct
void	renumber (void) Updates the reference of all vertices, triangles, edges and zones

Public

	Exception classes Exception thrown when the triangulation stored in a file is not a manifold class NotAManifold : public Exception mesh is not a manifold (edge shared by 3 triangles,...)
	constructor Triangulation () builds an empty mesh
	destructor virtual ~Triangulation () delete object from scene

Protected Fields

ObjectsList <TriangulationVertex>	vertexList 2-simplex mesh first vertex
ObjectsList <TriangulationTriangle>	triangleList 2-simplex mesh first face
ObjectsList <TriangulationEdge>	edgeList 2-simplex mesh first edge
ObjectsList <TriangulationZone>	zoneList 2-simplex mesh first zone

Exception classes

Exception thrown when the triangulation stored in a file is not a manifold

class NotAManifold: public Exception

mesh is not a manifold (edge shared by 3 triangles,...)

ObjectsList <TriangulationVertex> vertexList

2-simplex mesh first vertex

ObjectsList <TriangulationTriangle> triangleList

2-simplex mesh first face

ObjectsList <TriangulationEdge> edgeList

2-simplex mesh first edge

ObjectsList <TriangulationZone> zoneList

2-simplex mesh first zone

constructor

Triangulation()

builds an empty mesh

destructor

virtual ~Triangulation()

delete object from scene

virtual TriangulationTriangle* newTriangle(TriangulationTriangle *n0 = 0, TriangulationTriangle *n1 = 0, TriangulationTriangle *n2 = 0, TriangulationVertex *v0 = 0, TriangulationVertex *v1 = 0, TriangulationVertex *v2 = 0, TriangulationEdge *e0 = 0, TriangulationEdge *e1 = 0, TriangulationEdge *e2 = 0, TriangulationZone *zone = 0)

creates a new triangle

Parameters:

n0 - first triangle neighbor,
n1 - second triangle neighbor,
n2 - third triangle neighbor,
v0 - first vertex,
v1 - second vertex,
v2 - third vertex,
e0 - first edge,
e1 - second edge,
e2 - third edge,
zone - zone face belongs to

virtual TriangulationEdge* newEdge( TriangulationVertex *v1, TriangulationVertex *v2, TriangulationTriangle *t1 = 0, TriangulationTriangle *t2 = 0)

creates a new edge

Parameters:

v1 - first edge vertex
v2 - second edge vertex
t1 - first edge triangle
t2 - second edge triangle

virtual TriangulationVertex* newVertex(TriangulationEdge *edge, unsigned int orientation )

creates a new vertex

Parameters:

edge - one edge,
orientation - vertex orientation versus edge orientation (0 or 1)

virtual unsigned int regularizeTopology(void)

Regularize the mesh topology using edge swapping

static TriangulationVertex* sameVertex(const TriangulationEdge *e1, const TriangulationEdge *e2)

test if two edges are adjacent to the same vertex returns a pointer to this vertex

TriangulationVertexIterator firstVertex(void) const

returns an iterator on vertices, initialized on first vertex

TriangulationVertexIterator lastVertex(void) const

returns an iterator on vertices, initialized on last vertex

TriangulationEdgeIterator firstEdge(void) const

returns an iterator on edges, initialized on first edge

TriangulationEdgeIterator lastEdge(void) const

returns an iterator on edges, initialized on last edge

TriangulationTriangleIterator firstTriangle(void) const

returns an iterator on triangles, initialized on first triangle

TriangulationTriangleIterator lastTriangle(void) const

returns an iterator on triangles, initialized on last triangle

TriangulationZoneIterator firstZone(void) const

returns an iterator on zones, initialized on first zone

TriangulationZoneIterator lastZone(void) const

returns an iterator on zones, initialized on first zone

TriangulationVertex* getFirstVertex(void) const

returns first triangulation vertex

TriangulationEdge* getFirstEdge(void) const

returns first triangulation edge

TriangulationTriangle* getFirstTriangle(void) const

returns first triangulation triangle

TriangulationZone* getFirstZone(void) const

returns first triangulation zone

unsigned int getNumberOfVertices(void) const

returns mesh number of vertices

unsigned int getNumberOfEdges(void) const

returns mesh number of edges

unsigned int getNumberOfTriangles(void) const

returns mesh number of triangles

unsigned int getNumberOfZones(void) const

returns mesh number of zones

void addVertex(TriangulationVertex* v)

add a new vertex to this mesh, the vertex reference is updated

Parameters:

v - vertex to add

void addEdge(TriangulationEdge* e)

add a new edge to this mesh, the edge reference is updated

Parameters:

e - edge to add

void addTriangle(TriangulationTriangle * f)

add a new triangle to this mesh, the face reference is updated

Parameters:

f - face to add

void addZone(TriangulationZone* z)

add a new zone to this mesh, the zone reference is updated

Parameters:

z - zone to add

bool topologyCheck(void) const

Checks if the mesh topology is correct

void renumber(void)

Updates the reference of all vertices, triangles, edges and zones

Direct child classes:

Triangulation3D

alphabetic index hierarchy of classes

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(c)opyright by Malte Zöckler, Roland Wunderling
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