1[/============================================================================ 2 Boost.Geometry (aka GGL, Generic Geometry Library) 3 4 Copyright (c) 2007-2013 Barend Gehrels, Amsterdam, the Netherlands. 5 Copyright (c) 2008-2013 Bruno Lalande, Paris, France. 6 Copyright (c) 2009-2013 Mateusz Loskot, London, UK. 7 8 Use, modification and distribution is subject to the Boost Software License, 9 Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 10 http://www.boost.org/LICENSE_1_0.txt) 11=============================================================================/] 12 13 14[/ Generated by doxygen_xml2qbk 1.1.1, don't change, will be overwritten automatically] 15[/ Generated from doxy/doxygen_output/xml/group__num__interior__rings.xml] 16[section:num_interior_rings num_interior_rings] 17 18'''<indexterm><primary>num_interior_rings</primary></indexterm>''' 19Calculates the number of interior rings of a geometry. 20 21[heading Description] 22The free function num\u005finterior\u005frings calculates the number of interior rings of a geometry. 23 24[heading Synopsis] 25``template<typename Geometry> 26std::size_t num_interior_rings(Geometry const & geometry)`` 27 28[heading Parameters] 29 30[table 31[[Type] [Concept] [Name] [Description] ] 32[[Geometry const &] [Any type fulfilling a Geometry Concept ] [geometry] [A model of the specified concept ]] 33] 34 35 36[heading Returns] 37The calculated number of interior rings 38 39[heading Header] 40Either 41 42`#include <boost/geometry.hpp>` 43 44 45Or 46 47`#include <boost/geometry/algorithms/num_interior_rings.hpp>` 48 49[include reference/algorithms/num_interior_rings.qbk] 50 51 52[endsect] 53 54