MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge > Class Template Reference

VertexEdgeIterator, transverse all the neighboring edges of a vertex ccwly. More...

#include <iterators.h>

Collaboration diagram for MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge >:

List of all members.

Public Member Functions
	VertexEdgeIterator (CVertex *v)
	~VertexEdgeIterator ()
void	operator++ ()
void	operator++ (int)
CEdge *	value ()
CEdge *	operator* ()
bool	end ()
void	reset ()
Private Attributes
CVertex *	m_vertex
CHalfEdge *	m_halfedge

---

Detailed Description

template<typename CVertex, typename CEdge, typename CFace, typename CHalfEdge>
class MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge >

VertexEdgeIterator, transverse all the neighboring edges of a vertex ccwly.

Definition at line 327 of file iterators.h.

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Constructor & Destructor Documentation

template<typename CVertex , typename CEdge , typename CFace , typename CHalfEdge >

MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge >::VertexEdgeIterator

(

CVertex *

v

)

[inline]

VertexEdgeIterator constructor

Parameters:

v

the current vertex

Definition at line 334 of file iterators.h.

        { 
                m_vertex = v; 
                m_halfedge = (CHalfEdge*)m_vertex->most_clw_out_halfedge();
        };

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template<typename CVertex , typename CEdge , typename CFace , typename CHalfEdge >

MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge >::~VertexEdgeIterator

(

)

[inline]

VertexVertexIterator destructor

Definition at line 343 of file iterators.h.

{};

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Member Function Documentation

template<typename CVertex , typename CEdge , typename CFace , typename CHalfEdge >

bool MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge >::end

(

)

[inline]

Indicate whether all the neighboring edges have been accessed.

Definition at line 446 of file iterators.h.

{ return m_halfedge == NULL; };

template<typename CVertex , typename CEdge , typename CFace , typename CHalfEdge >

CEdge* MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge >::operator*

(

)

[inline]

The neighboring edge, pointed by the current iterator

Definition at line 442 of file iterators.h.

{ return value(); };

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template<typename CVertex , typename CEdge , typename CFace , typename CHalfEdge >

void MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge >::operator++

(

)

[inline]

VertexVertexIterator prefix operator ++, goes to the next neighboring vertex CCWly

Definition at line 348 of file iterators.h.

        {
                assert( m_halfedge != NULL ); 
                
                if( !m_vertex->boundary() )
                {
                        if( m_halfedge != (CHalfEdge*)m_vertex->most_ccw_out_halfedge() )
                        {
                                m_halfedge = (CHalfEdge*)m_halfedge->ccw_rotate_about_source();
                        }
                        else
                        {
                                m_halfedge = NULL;
                        }
                        return;
                }

                if( m_vertex->boundary() )
                {
                        if( m_halfedge == (CHalfEdge*)m_vertex->most_ccw_in_halfedge() )
                        {
                                m_halfedge = NULL;
                                return;
                        }

                        CHalfEdge * he = (CHalfEdge*)m_halfedge->ccw_rotate_about_source();

                        if( he == NULL )
                        {
                                m_halfedge = (CHalfEdge*)m_vertex->most_ccw_in_halfedge();
                        }
                        else
                        {
                                m_halfedge = he;
                        }
                }

                return;
        };

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template<typename CVertex , typename CEdge , typename CFace , typename CHalfEdge >

void MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge >::operator++

(

int

)

[inline]

VertexVertexIterator postfix operator ++, goes to the next neighboring vertex CCWly

Definition at line 390 of file iterators.h.

        {
                assert( m_halfedge != NULL ); 
                
                if( !m_vertex->boundary() )
                {
                        if( m_halfedge != (CHalfEdge*)m_vertex->most_ccw_out_halfedge() )
                        {
                                m_halfedge = (CHalfEdge*)m_halfedge->ccw_rotate_about_source();
                        }
                        else
                        {
                                m_halfedge = NULL;
                        }
                        return;
                }

                if( m_vertex->boundary() )
                {
                        if( m_halfedge == (CHalfEdge*)m_vertex->most_ccw_in_halfedge() )
                        {
                                m_halfedge = NULL;
                                return;
                        }

                        CHalfEdge * he = (CHalfEdge*)m_halfedge->ccw_rotate_about_source();

                        if( he == NULL )
                        {
                                m_halfedge = (CHalfEdge*)m_vertex->most_ccw_in_halfedge();
                        }
                        else
                        {
                                m_halfedge = he;
                        }
                }

                return;
        };

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template<typename CVertex , typename CEdge , typename CFace , typename CHalfEdge >

void MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge >::reset

(

)

[inline]

Reset the VerexEdgeIterator.

Definition at line 450 of file iterators.h.

{ m_halfedge = (CHalfEdge*)m_vertex->most_clw_out_halfedge(); };

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template<typename CVertex , typename CEdge , typename CFace , typename CHalfEdge >

CEdge* MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge >::value

(

)

[inline]

The neighboring edge, pointed by the current iterator

Definition at line 433 of file iterators.h.

         { 
                 assert( m_halfedge != NULL );
                 return (CEdge*)m_halfedge->edge();
         };

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Member Data Documentation

template<typename CVertex , typename CEdge , typename CFace , typename CHalfEdge >

CHalfEdge* MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge >::m_halfedge [private]

current halfedge

Definition at line 458 of file iterators.h.

template<typename CVertex , typename CEdge , typename CFace , typename CHalfEdge >

CVertex* MeshLib::VertexEdgeIterator< CVertex, CEdge, CFace, CHalfEdge >::m_vertex [private]

current vertex

Definition at line 450 of file iterators.h.

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

• core/Mesh/iterators.h