Boost C++ Libraries

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exterior_ring

Function to get the exterior_ring ring of a polygon.

Synopsis

template<typename Polygon>
ring_return_type<Polygon>::type exterior_ring(Polygon & polygon)

Parameters

Type

Concept

Name

Description

Polygon &

polygon type

polygon

the polygon to get the exterior ring from

Returns

a reference to the exterior ring

Header

Either

#include <boost/geometry/geometry.hpp>

Or

#include <boost/geometry/core/exterior_ring.hpp>


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