Boost C++ Libraries

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exterior_ring (const version)

Function to get the exterior ring of a polygon (const version)

Synopsis

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

Parameters

Type

Concept

Name

Description

Polygon const &

polygon type

polygon

the polygon to get the exterior ring from

Returns

a const reference to the exterior ring

Header

Either

#include <boost/geometry/geometry.hpp>

Or

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


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