CVertex class, which is the base class of all kinds of vertex classes. More...

#include <Vertex.h>

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Public Member Functions
	CVertex ()
	~CVertex ()
CPoint &	point ()
CPoint &	normal ()
CPoint2 &	uv ()
CHalfEdge *	most_ccw_out_halfedge ()
CHalfEdge *	most_clw_out_halfedge ()
CHalfEdge *	most_ccw_in_halfedge ()
CHalfEdge *	most_clw_in_halfedge ()
CHalfEdge *&	halfedge ()
std::string &	string ()
int &	id ()
bool &	boundary ()
void	_to_string ()
void	_from_string ()
Protected Attributes
int	m_id
CPoint	m_point
CPoint	m_normal
CPoint2	m_uv
CHalfEdge *	m_halfedge
bool	m_boundary
std::string	m_string

Detailed Description

CVertex class, which is the base class of all kinds of vertex classes.

Definition at line 25 of file Vertex.h.

Constructor & Destructor Documentation

MeshLib::CVertex::CVertex ( ) [inline]

CVertex constructor

Definition at line 31 of file Vertex.h.

{ m_halfedge = NULL; m_boundary = false; };

MeshLib::CVertex::~CVertex ( ) [inline]

CVertex destructor

Definition at line 35 of file Vertex.h.

{};

Member Function Documentation

void MeshLib::CVertex::_from_string ( ) [inline]

Read traits from the string.

Reimplemented in MeshLib::CViewerVertex.

Definition at line 77 of file Vertex.h.

{};

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void MeshLib::CVertex::_to_string ( ) [inline]

Convert vertex traits to string.

Definition at line 74 of file Vertex.h.

{};

bool& MeshLib::CVertex::boundary ( ) [inline]

Whether the vertex is on the boundary.

Definition at line 71 of file Vertex.h.

{ return m_boundary;};

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CHalfEdge* & MeshLib::CVertex::halfedge ( ) [inline]

One incoming halfedge of the vertex .

Definition at line 62 of file Vertex.h.

{ return m_halfedge; };

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int& MeshLib::CVertex::id ( ) [inline]

Vertex id.

Definition at line 68 of file Vertex.h.

{ return m_id; };

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CHalfEdge * MeshLib::CVertex::most_ccw_in_halfedge ( ) [inline]

The most counter clockwise incoming halfedge of the vertex.

Returns:: the most CCW in halfedge

Definition at line 109 of file Vertex.h.

{ 
        //for interior vertex
        if( !m_boundary )
        {
                return m_halfedge; //current half edge is the most ccw in halfedge 
        }

        //for boundary vertex
        CHalfEdge * he = m_halfedge->ccw_rotate_about_target();
        //rotate to the most ccw in halfedge
        while( he != NULL )
        {
                m_halfedge = he;
                he = m_halfedge->ccw_rotate_about_target();
        }
        // the halfedge of the vertex becomes the most ccw in halfedge
        return m_halfedge;

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CHalfEdge * MeshLib::CVertex::most_ccw_out_halfedge ( ) [inline]

The most counter clockwise outgoing halfedge of the vertex .

Definition at line 152 of file Vertex.h.

{ 
        //for interior vertex
        if( !m_boundary )
        {
                return most_ccw_in_halfedge()->he_sym(); //most ccw out halfedge is the dual of the most ccw in halfedge
        }

        //for boundary vertex
        CHalfEdge * he = m_halfedge->he_next();
        //get the out halfedge which is the next halfedge of the most ccw in halfedge
        CHalfEdge * ne = he->ccw_rotate_about_source();
        //rotate ccwly around the source vertex
        while( ne != NULL )
        {
                he = ne;
                ne = he->ccw_rotate_about_source();
        }

        return he;

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CHalfEdge * MeshLib::CVertex::most_clw_in_halfedge ( ) [inline]

The most clockwise incoming halfedge of the vertex.

Definition at line 131 of file Vertex.h.

{ 
        //for interior vertex 
        if( !m_boundary )
        {
                return most_ccw_in_halfedge()->ccw_rotate_about_target(); //the most ccw in halfedge rotate ccwly once to get the most clw in halfedge
        }
        //for boundary vertex
        CHalfEdge * he = m_halfedge->clw_rotate_about_target();
        //rotate to the most clw in halfedge
        while( he != NULL )
        {
                m_halfedge = he;
                he = m_halfedge->clw_rotate_about_target();
        }

        return m_halfedge;

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CHalfEdge * MeshLib::CVertex::most_clw_out_halfedge ( ) [inline]

The most clockwise outgoing halfedge of the vertex .

Definition at line 176 of file Vertex.h.

{ 
        //for interior vertex
        if( !m_boundary )
        {
                return most_ccw_out_halfedge()->ccw_rotate_about_source();  //most ccw out halfedge rotate ccwly once about the source
        }
        //get one out halfedge
        CHalfEdge * he = m_halfedge->he_next();
        //rotate the out halfedge clwly about the source
        CHalfEdge * ne = he->clw_rotate_about_source();
        
        while( ne != NULL )
        {
                he = ne;
                ne = he->clw_rotate_about_source();
        }

        return he;