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- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Unit Test
- // Copyright (c) 2010-2012 Barend Gehrels, Amsterdam, the Netherlands.
- // Use, modification and distribution is subject to the Boost Software License,
- // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- #include <iostream>
- #include <string>
- #define BOOST_GEOMETRY_UNIT_TEST_SECTIONALIZE
- #include <geometry_test_common.hpp>
- #include <boost/geometry/algorithms/detail/sections/sectionalize.hpp>
- #include <boost/geometry/algorithms/detail/sections/range_by_section.hpp>
- #include <boost/geometry/views/detail/range_type.hpp>
- #include <boost/geometry/geometries/geometries.hpp>
- #include <boost/geometry/geometries/point_xy.hpp>
- #include <boost/geometry/io/wkt/wkt.hpp>
- #include <boost/geometry/util/condition.hpp>
- template <int DimensionCount, bool Reverse, typename Geometry>
- void test_sectionalize(std::string const /*caseid*/, Geometry const& geometry, std::size_t section_count)
- {
- typedef typename bg::point_type<Geometry>::type point;
- typedef bg::model::box<point> box;
- typedef bg::sections<box, DimensionCount> sections;
- typedef boost::mpl::vector_c<std::size_t, 0> dim2;
- sections s;
- bg::sectionalize<Reverse, dim2>(geometry, bg::detail::no_rescale_policy(), s);
- BOOST_CHECK_EQUAL(s.size(), section_count);
- typedef typename bg::closeable_view
- <
- typename bg::detail::range_type<Geometry>::type const,
- bg::closure<Geometry>::value
- >::type cview_type;
- typedef typename bg::reversible_view
- <
- cview_type const,
- Reverse ? bg::iterate_reverse : bg::iterate_forward
- >::type view_type;
- typedef typename boost::range_iterator
- <
- view_type const
- >::type range_iterator;
- BOOST_FOREACH(typename sections::value_type const& sec, s)
- {
- cview_type cview(bg::range_by_section(geometry, sec));
- view_type view(cview);
- range_iterator it1 = boost::begin(view) + sec.begin_index;
- range_iterator it2 = boost::begin(view) + sec.end_index;
- int count = 0;
- for (range_iterator it = it1; it != it2; ++it)
- {
- count++;
- }
- BOOST_CHECK_EQUAL(int(sec.count), count);
- }
- }
- template <typename Geometry, bool Reverse>
- void test_sectionalize(std::string const& caseid, std::string const& wkt,
- std::size_t count1)
- {
- Geometry geometry;
- bg::read_wkt(wkt, geometry);
- if ( BOOST_GEOMETRY_CONDITION( bg::closure<Geometry>::value == bg::open ) )
- {
- geometry.outer().resize(geometry.outer().size() - 1);
- }
- //bg::correct(geometry);
- test_sectionalize<1, Reverse>(caseid + "_d1", geometry, count1);
- }
- template <typename P>
- void test_all()
- {
- std::string const first = "polygon((2.0 1.3, 2.4 1.7, 2.8 1.8, 3.4 1.2, 3.7 1.6,3.4 2.0, 4.1 3.0, 5.3 2.6, 5.4 1.2, 4.9 0.8, 2.9 0.7,2.0 1.3))";
- test_sectionalize<bg::model::polygon<P>, false>("first", first, 4);
- test_sectionalize<bg::model::polygon<P, false>, true>("first_reverse",
- first, 4);
- test_sectionalize<bg::model::polygon<P, false, true>, false>("first_open",
- first, 4);
- test_sectionalize<bg::model::polygon<P, true, false>, true>("first_open_reverse",
- first, 4);
- }
- int test_main(int, char* [])
- {
- test_all<bg::model::d2::point_xy<double> >();
- return 0;
- }
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