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