CGAL 6.2 - 2D Envelopes: CGAL::Envelope_diagram_1< Traits > Class Template Reference

CGAL 6.2 - 2D Envelopes

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CGAL::Envelope_diagram_1< Traits > Class Template Reference
Reference Manual

`#include <CGAL/Envelope_diagram_1.h>`

## Definition

template<typename Traits>
class CGAL::Envelope_diagram_1< Traits >

This class is the default envelope-diagram class used by envelope functions to represent the minimization or the maximization diagram of a set of curves.

It represents the diagram as a doubly-linked list of interleaved vertices and edges. Thus, all operations provided by the envelope diagram take constant time, and the space needed to store the diagram class is linear in the complexity of the envelope.

The envelope-diagram class is parameterized by a traits class, which is a model of the `AosXMonotoneTraits_2` concept, in case we handle only envelopes of \( x\)-monotone curves, or of the refined `AosTraits_2` concept in case we handle arbitrary planar curves.

Is model of
  `EnvelopeDiagram_1`

Examples
  Envelope_2/convex_hull_2.cpp, Envelope_2/envelope_circles.cpp, and Envelope_2/envelope_segments.cpp.