CGAL::Envelope_diagram_2< EnvTraits >::Halfedge Class Reference

#include <CGAL/envelope_3.h>

Inherits from

CGAL::Arrangement_on_surface_2< typename GeometryTraits, typename TopologyTraits >::Halfedge.

Access Functions
size_t	number_of_surfaces () const
	returns the number of \( xy\)-monotone surfaces that induce the halfedge.
Surface_const_iterator	surfaces_begin () const
	returns an iterator for the first \( xy\)-monotone surface that induces the halfedge.
Surface_const_iterator	surfaces_end () const
	returns a past-the-end iterator for the \( xy\)-monotone surfaces that induce the halfedge.
Xy_monotone_surface_3	surface () const
	returns the first \( xy\)-monotone surface that induce e.

Additional Inherited Members
Public Member Functions inherited from CGAL::Arrangement_on_surface_2< typename GeometryTraits, typename TopologyTraits >::Halfedge
	Halfedge ()
bool	is_fictitious () const
Vertex_handle	source ()
Vertex_handle	target ()
Arr_halfedge_direction	direction () const
Face_handle	face ()
Halfedge_handle	twin ()
Halfedge_handle	prev ()
Halfedge_handle	next ()
Ccb_halfedge_circulator	ccb ()
const Traits::X_monotone_curve_2 &	curve () const

Member Function Documentation

surface()

template<typename EnvTraits >

Xy_monotone_surface_3 CGAL::Envelope_diagram_2< EnvTraits >::Halfedge::surface

(

)

const

returns the first \( xy\)-monotone surface that induce e.

Precondition

The number of surfaces is not 0.