Polygonal mesh topology represented as half edge. More...

#include <halfedge.h>

Public Member Functions
	MbHalfedge ()
	Default constructor.

virtual	~MbHalfedge ()
	Destructor.

size_t	EdgeCount () const
	Get the number of edges in the mesh (including inactive ones).

MbHalfedgeEdge &	Edge (size_t iEd)
	Get edge by index.

const MbHalfedgeEdge &	Edge (size_t iEd) const
	Get edge by index.

size_t	VertexCount () const
	Get the number of vertices in the mesh (including inactive ones).

MbHalfedgeVertex &	Vertex (size_t iVx)
	Get vertex by index.

const MbHalfedgeVertex &	Vertex (size_t iVx) const
	Get vertex by index.

size_t	FacetCount () const
	Get the number of facets in the mesh (including inactive ones).

MbHalfedgeFacet &	Facet (size_t iF)
	Get facet by index.

const MbHalfedgeFacet &	Facet (size_t iF) const
	Get facet by index.

ActiveEdgesBegEndPair	AllActiveEdges () const
	Range based for pair for all alive edges.

ActiveVerticesBegEndPair	AllActiveVertices () const
	Range based for pair for all alive vertices.

ActiveFacetsBegEndPair	AllActiveFacets () const
	Range based for pair for all alive vertices.

EdgesAroundFacetBegEndPair	AllEdgesAroundFacet (size_t iF) const
	Range based for pair for all edges around the facet.

VerticesAroundFacetBegEndPair	AllVerticesAroundFacet (size_t iF) const
	Range based for pair for all vertices around the facet.

EdgesAroundVertexBegEndPair	AllEdgesAroundVertex (size_t iV) const
	Range based for pair for all edges in the vertex fan.

VerticesAroundVertexBegEndPair	AllVerticesAroundVertex (size_t iV) const
	Range based for pair for all vertices around the vertex.

FacetsAroundVertexBegEndPair	AllFacetsAroundVertex (size_t iV) const
	Range based for pair for all facets around the vertex.

size_t	NextFanEdge (size_t iEd, bool bClockwise) const
	Get the next edge in the vertex fan clockwise or counterclockwise.

void	NextFanEdgePair (size_t iEd, bool bClockwise, c3d::IndicesPair &pair) const
	Get the next edge pair (ingoing and outgoing twin if present) in the vertex fan clockwise or counterclockwise.

size_t	FindMostClockwiseFanEdge (size_t iEd) const
	Get the last edge in the vertex fan in a clockwise direction.

bool	GetTriangleVertices (size_t f, std::array< size_t, 3 > &vertices) const
	Get the indices of facet vertices if triangular one.

bool	GetTriangleEdges (size_t f, std::array< size_t, 3 > &edges) const
	Get the indices of facet edges if triangular one.

void	GetFacetEdges (size_t iF, c3d::IndicesVector &edges) const
	Get the sequence of facet edges.

void	GetFacetVertices (size_t f, c3d::IndicesVector &vertices) const
	Get the sequence of facet vertices.

size_t	AttrCount () const
	Get the number of associated attributes.

template<class T >
T *	AddHalfedgeAttribute ()
	Add an attribute of the specified type.

template<class T >
T *	GetHalfedgeAttribute ()
	Get an attribute of the specified type.

template<class T >
const T *	GetHalfedgeAttribute () const
	Get an attribute of the specified type.

MbHalfedgeAttrBase *	GetHalfedgeAttributeByIndex (size_t ind)
	Get an attribute by index.

const MbHalfedgeAttrBase *	GetHalfedgeAttributeByIndex (size_t ind) const
	Get an attribute by index.

template<class T >
void	DeleteHalfedgeAttribute ()
	Remove an attribute of the specified type.

void	DeleteHalfedgeAttribute (MbHalfedgeAttrBase *pAttr)
	Remove the attribute.

void	DeleteHalfedgeAttribute (size_t ind)
	Remove an attribute with the given index.

Protected Attributes
std::vector< std::unique_ptr< MbHalfedgeAttrBase > >	_attributes
	Vertex, edge, and facet attributes associated with a mesh.

std::vector< MbHalfedgeVertex >	_vertices
	Vertex array.

std::vector< MbHalfedgeEdge >	_edges
	Edge array.

std::vector< MbHalfedgeFacet >	_facets
	Facet array.

Detailed Description

Polygonal mesh topology represented as half edge.

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

halfedge.h

Public Member Functions

Protected Attributes

Detailed Description