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140 lines
4.2 KiB
C++
140 lines
4.2 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2007-2012 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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#ifndef BOOST_GEOMETRY_TEST_COVERED_BY_HPP
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#define BOOST_GEOMETRY_TEST_COVERED_BY_HPP
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#include <geometry_test_common.hpp>
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#include <boost/variant/variant.hpp>
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#include <boost/geometry/core/ring_type.hpp>
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#include <boost/geometry/algorithms/covered_by.hpp>
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#include <boost/geometry/strategies/strategies.hpp>
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#include <boost/geometry/geometries/ring.hpp>
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#include <boost/geometry/geometries/polygon.hpp>
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#include <boost/geometry/io/wkt/read.hpp>
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template <typename Geometry1, typename Geometry2>
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void check_geometry(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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std::string const& wkt1,
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std::string const& wkt2,
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bool expected)
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{
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bool detected = bg::covered_by(geometry1, geometry2);
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BOOST_CHECK_MESSAGE(detected == expected,
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"covered_by: " << wkt1
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<< " in " << wkt2
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<< " -> Expected: " << expected
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<< " detected: " << detected);
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}
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template <typename Geometry1, typename Geometry2>
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void test_geometry(std::string const& wkt1,
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std::string const& wkt2, bool expected)
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{
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Geometry1 geometry1;
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Geometry2 geometry2;
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bg::read_wkt(wkt1, geometry1);
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bg::read_wkt(wkt2, geometry2);
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boost::variant<Geometry1> v1(geometry1);
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boost::variant<Geometry2> v2(geometry2);
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check_geometry(geometry1, geometry2, wkt1, wkt2, expected);
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check_geometry(v1, geometry2, wkt1, wkt2, expected);
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check_geometry(geometry1, v2, wkt1, wkt2, expected);
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check_geometry(v1, v2, wkt1, wkt2, expected);
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}
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/*
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template <typename Point, bool Clockwise, bool Closed>
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void test_ordered_ring(std::string const& wkt_point,
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std::string const& wkt_geometry, bool expected)
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{
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typedef bg::model::ring<Point, Clockwise, Closed> ring_type;
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ring_type ring;
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Point point;
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bg::read_wkt(wkt_geometry, ring);
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if (! Clockwise)
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{
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std::reverse(boost::begin(ring), boost::end(ring));
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}
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if (! Closed)
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{
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ring.resize(ring.size() - 1);
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}
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bg::read_wkt(wkt_point, point);
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bool detected = bg::covered_by(point, ring);
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BOOST_CHECK_MESSAGE(detected == expected,
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"covered_by: " << wkt_point
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<< " in " << wkt_geometry
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<< " -> Expected: " << expected
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<< " detected: " << detected
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<< " clockwise: " << int(Clockwise)
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<< " closed: " << int(Closed)
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);
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// other strategy (note that this one cannot detect OnBorder
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// (without modifications)
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bg::strategy::covered_by::franklin<Point> franklin;
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detected = bg::covered_by(point, ring, franklin);
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if (! on_border)
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{
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BOOST_CHECK_MESSAGE(detected == expected,
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"covered_by: " << wkt_point
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<< " in " << wkt_geometry
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<< " -> Expected: " << expected
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<< " detected: " << detected
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<< " clockwise: " << int(Clockwise)
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<< " closed: " << int(Closed)
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);
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}
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bg::strategy::covered_by::crossings_multiply<Point> cm;
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detected = bg::covered_by(point, ring, cm);
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if (! on_border)
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{
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BOOST_CHECK_MESSAGE(detected == expected,
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"covered_by: " << wkt_point
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<< " in " << wkt_geometry
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<< " -> Expected: " << expected
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<< " detected: " << detected
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<< " clockwise: " << int(Clockwise)
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<< " closed: " << int(Closed)
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);
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}
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}
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template <typename Point>
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void test_ring(std::string const& wkt_point,
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std::string const& wkt_geometry,
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bool expected)
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{
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test_ordered_ring<Point, true, true>(wkt_point, wkt_geometry, expected);
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test_ordered_ring<Point, false, true>(wkt_point, wkt_geometry, expected);
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test_ordered_ring<Point, true, false>(wkt_point, wkt_geometry, expected);
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test_ordered_ring<Point, false, false>(wkt_point, wkt_geometry, expected);
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test_geometry<Point, bg::model::polygon<Point> >(wkt_point, wkt_geometry, expected);
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}
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*/
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#endif
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