boost::geometry::traits::exterior_ring
exterior_ring.hpp
typename Polygon
boost::geometry::traits::exterior_ring< Polygon >::BOOST_MPL_ASSERT_MSG
(false, NOT_IMPLEMENTED_FOR_THIS_POLYGON_TYPE,(types< Polygon >))
BOOST_MPL_ASSERT_MSG
false
NOT_IMPLEMENTED_FOR_THIS_POLYGON_TYPE
(types< Polygon >)

Traits class defining access to exterior_ring of a polygon.

Should define const and non const access

Polygon

the polygon type

# Geometries:

- polygon

# Specializations should provide:

- static inline RING& get(POLY& )

- static inline RING const& get(POLY const& )

- boost::geometry::traits::exterior_ring
  BOOST_MPL_ASSERT_MSG