DGtal::HalfEdgeDataStructure::Edge Struct Reference

#include <DGtal/topology/HalfEdgeDataStructure.h>

Public Member Functions
VertexIndex &	start ()
const VertexIndex &	start () const
VertexIndex &	end ()
const VertexIndex &	end () const
	Edge ()
	Edge (VertexIndex vi, VertexIndex vj)
bool	operator< (const Edge &other) const

Data Fields
VertexIndex	v [2]
	The two vertex indices.

Detailed Description

Represents an unoriented edge as two vertex indices, the first lower than the second.

Definition at line 126 of file HalfEdgeDataStructure.h.

Constructor & Destructor Documentation

Edge() [1/2]

DGtal::HalfEdgeDataStructure::Edge::Edge ( )

inline

Definition at line 137 of file HalfEdgeDataStructure.h.

      {
        v[0] = v[1] = -1;
      }

References v.

Edge() [2/2]

DGtal::HalfEdgeDataStructure::Edge::Edge ( VertexIndex  vi, VertexIndex  vj  )

inline

Definition at line 141 of file HalfEdgeDataStructure.h.

      {
        if ( vi <= vj ) { v[0] = vi; v[1] = vj; }
        else            { v[0] = vj; v[1] = vi; }
      }

References v.

Member Function Documentation

end() [1/2]

VertexIndex & DGtal::HalfEdgeDataStructure::Edge::end ( )

inline

Definition at line 134 of file HalfEdgeDataStructure.h.

{ return v[1]; }

References v.

Referenced by operator<().

end() [2/2]

const VertexIndex & DGtal::HalfEdgeDataStructure::Edge::end ( ) const

inline

Definition at line 135 of file HalfEdgeDataStructure.h.

{ return v[1]; }

References v.

operator<()

bool DGtal::HalfEdgeDataStructure::Edge::operator< ( const Edge &  other ) const

inline

Definition at line 146 of file HalfEdgeDataStructure.h.

      {
        return ( start() < other.start() )
          || ( ( start() == other.start() ) && ( end() < other.end() ) );
      }

References end(), and start().

start() [1/2]

VertexIndex & DGtal::HalfEdgeDataStructure::Edge::start ( )

inline

Definition at line 131 of file HalfEdgeDataStructure.h.

{ return v[0]; }

References v.

Referenced by operator<().

start() [2/2]

const VertexIndex & DGtal::HalfEdgeDataStructure::Edge::start ( ) const

inline

Definition at line 132 of file HalfEdgeDataStructure.h.

{ return v[0]; }

References v.

Field Documentation

v

VertexIndex DGtal::HalfEdgeDataStructure::Edge::v[2]

The two vertex indices.

Definition at line 129 of file HalfEdgeDataStructure.h.

Referenced by Edge(), Edge(), end(), end(), start(), and start().

---

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

• HalfEdgeDataStructure.h