382 lines
12 KiB
C++
382 lines
12 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2014-2017, Oracle and/or its affiliates.
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// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Licensed under the Boost Software License version 1.0.
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// http://www.boost.org/users/license.html
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#ifndef BOOST_GEOMETRY_TEST_DISTANCE_SE_COMMON_HPP
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#define BOOST_GEOMETRY_TEST_DISTANCE_SE_COMMON_HPP
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#include <iostream>
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#include <string>
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#include <boost/mpl/assert.hpp>
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#include <boost/type_traits/is_integral.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/geometry/geometries/point.hpp>
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#include <boost/geometry/geometries/point_xy.hpp>
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#include <boost/geometry/geometries/segment.hpp>
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#include <boost/geometry/geometries/linestring.hpp>
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#include <boost/geometry/geometries/polygon.hpp>
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#include <boost/geometry/geometries/ring.hpp>
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#include <boost/geometry/geometries/box.hpp>
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#include <boost/geometry/geometries/multi_point.hpp>
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#include <boost/geometry/geometries/multi_linestring.hpp>
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#include <boost/geometry/geometries/multi_polygon.hpp>
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#include <boost/geometry/io/wkt/write.hpp>
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#include <boost/geometry/io/dsv/write.hpp>
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#include <boost/geometry/algorithms/num_interior_rings.hpp>
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#include <boost/geometry/algorithms/distance.hpp>
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#include <boost/geometry/algorithms/comparable_distance.hpp>
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#include <boost/geometry/strategies/strategies.hpp>
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#include <from_wkt.hpp>
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#include <string_from_type.hpp>
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#include "distance_brute_force.hpp"
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namespace bg = ::boost::geometry;
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static const double earth_radius_km = 6371.0;
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static const double earth_radius_miles = 3959.0;
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//========================================================================
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template <typename T>
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struct check_equal
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{
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template <typename Value, typename = void>
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struct equal_to
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{
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static inline void apply(Value const& x, Value const& y)
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{
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BOOST_CHECK(x == y);
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}
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};
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template <typename Dummy>
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struct equal_to<double, Dummy>
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{
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static inline void apply(double x, double y)
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{
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BOOST_CHECK_CLOSE(x, y, 0.001);
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}
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};
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template <typename Geometry1, typename Geometry2>
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static inline void apply(std::string const& /*case_id*/,
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std::string const& /*subcase_id*/,
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Geometry1 const& /*geometry1*/,
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Geometry2 const& /*geometry2*/,
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T const& detected,
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T const& expected)
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{
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equal_to<T>::apply(expected, detected);
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/*
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TODO:
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Ideally we would want the following, but it does not work well
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approximate equality test.
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BOOST_CHECK_MESSAGE(equal_to<T>::apply(expected, detected),
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"case ID: " << case_id << "-" << subcase_id << "; "
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<< "G1: " << bg::wkt(geometry1)
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<< " - "
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<< "G2: " << bg::wkt(geometry2)
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<< " -> Detected: " << detected
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<< "; Expected: " << expected);
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*/
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}
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};
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//========================================================================
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template
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<
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typename Geometry1, typename Geometry2,
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int id1 = bg::geometry_id<Geometry1>::value,
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int id2 = bg::geometry_id<Geometry2>::value
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>
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struct test_distance_of_geometries
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: public test_distance_of_geometries<Geometry1, Geometry2, 0, 0>
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{};
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template <typename Geometry1, typename Geometry2>
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struct test_distance_of_geometries<Geometry1, Geometry2, 0, 0>
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{
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template
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<
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typename DistanceType,
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typename ComparableDistanceType,
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typename Strategy
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>
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static inline
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void apply(std::string const& case_id,
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std::string const& wkt1,
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std::string const& wkt2,
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DistanceType const& expected_distance,
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ComparableDistanceType const& expected_comparable_distance,
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Strategy const& strategy,
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bool test_reversed = true)
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{
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Geometry1 geometry1 = from_wkt<Geometry1>(wkt1);
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Geometry2 geometry2 = from_wkt<Geometry2>(wkt2);
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apply(case_id, geometry1, geometry2,
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expected_distance, expected_comparable_distance,
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strategy, test_reversed);
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}
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template <typename DistanceType, typename Strategy>
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static inline
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void apply(std::string const& case_id,
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std::string const& wkt1,
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std::string const& wkt2,
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DistanceType const& expected_distance,
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Strategy const& strategy,
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bool test_reversed = true)
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{
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Geometry1 geometry1 = from_wkt<Geometry1>(wkt1);
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Geometry2 geometry2 = from_wkt<Geometry2>(wkt2);
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apply(case_id, geometry1, geometry2,
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expected_distance, expected_distance,
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strategy, test_reversed);
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}
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template
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<
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typename DistanceType,
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typename ComparableDistanceType,
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typename Strategy
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>
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static inline
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void apply(std::string const& case_id,
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Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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DistanceType const& expected_distance,
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ComparableDistanceType const& expected_comparable_distance,
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Strategy const& strategy,
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bool test_reversed = true)
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{
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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std::cout << "case ID: " << case_id << "; "
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<< "G1: " << bg::wkt(geometry1)
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<< " - "
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<< "G2: " << bg::wkt(geometry2)
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<< std::endl;
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#endif
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namespace services = bg::strategy::distance::services;
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using bg::unit_test::distance_brute_force;
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typedef typename bg::default_distance_result
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<
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Geometry1, Geometry2
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>::type default_distance_result;
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typedef typename services::return_type
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<
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Strategy, Geometry1, Geometry2
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>::type distance_result_from_strategy;
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static const bool same_regular = boost::is_same
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<
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default_distance_result,
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distance_result_from_strategy
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>::type::value;
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BOOST_CHECK(same_regular);
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typedef typename bg::default_comparable_distance_result
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<
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Geometry1, Geometry2
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>::type default_comparable_distance_result;
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typedef typename services::return_type
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<
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typename services::comparable_type<Strategy>::type,
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Geometry1,
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Geometry2
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>::type comparable_distance_result_from_strategy;
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static const bool same_comparable = boost::is_same
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<
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default_comparable_distance_result,
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comparable_distance_result_from_strategy
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>::type::value;
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BOOST_CHECK( same_comparable );
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// check distance with passed strategy
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distance_result_from_strategy dist =
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bg::distance(geometry1, geometry2, strategy);
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check_equal
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<
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distance_result_from_strategy
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>::apply(case_id, "a", geometry1, geometry2,
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dist, expected_distance);
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// check against the comparable distance computed in a
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// brute-force manner
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default_distance_result dist_brute_force
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= distance_brute_force(geometry1, geometry2, strategy);
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check_equal
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<
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default_distance_result
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>::apply(case_id, "b", geometry1, geometry2,
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dist_brute_force, expected_distance);
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// check comparable distance with passed strategy
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comparable_distance_result_from_strategy cdist =
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bg::comparable_distance(geometry1, geometry2, strategy);
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check_equal
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<
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default_comparable_distance_result
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>::apply(case_id, "c", geometry1, geometry2,
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cdist, expected_comparable_distance);
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// check against the comparable distance computed in a
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// brute-force manner
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default_comparable_distance_result cdist_brute_force
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= distance_brute_force(geometry1,
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geometry2,
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services::get_comparable
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<
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Strategy
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>::apply(strategy));
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check_equal
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<
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default_comparable_distance_result
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>::apply(case_id, "d", geometry1, geometry2,
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cdist_brute_force, expected_comparable_distance);
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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std::cout << string_from_type<typename bg::coordinate_type<Geometry1>::type>::name()
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<< string_from_type<typename bg::coordinate_type<Geometry2>::type>::name()
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<< " -> "
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<< string_from_type<default_distance_result>::name()
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<< string_from_type<default_comparable_distance_result>::name()
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<< std::endl;
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std::cout << "strategy radius: " << strategy.radius() << std::endl;
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std::cout << "expected distance = "
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<< expected_distance << " ; "
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<< "expected comp. distance = "
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<< expected_comparable_distance
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<< std::endl;
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std::cout << "distance = "
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<< dist << " ; "
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<< "comp. distance = "
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<< cdist
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<< std::endl;
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if ( !test_reversed )
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{
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std::cout << std::endl;
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}
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#endif
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if ( test_reversed )
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{
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// check distance with given strategy
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dist = bg::distance(geometry2, geometry1, strategy);
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check_equal
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<
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default_distance_result
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>::apply(case_id, "ra", geometry2, geometry1,
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dist, expected_distance);
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// check comparable distance with given strategy
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cdist = bg::comparable_distance(geometry2, geometry1, strategy);
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check_equal
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<
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default_comparable_distance_result
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>::apply(case_id, "rc", geometry2, geometry1,
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cdist, expected_comparable_distance);
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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std::cout << "distance[reversed args] = "
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<< dist << " ; "
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<< "comp. distance[reversed args] = "
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<< cdist
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<< std::endl;
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std::cout << std::endl;
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#endif
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}
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}
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};
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//========================================================================
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template <typename Geometry1, typename Geometry2, typename Strategy>
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void test_empty_input(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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Strategy const& strategy)
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{
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try
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{
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bg::distance(geometry1, geometry2);
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}
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catch(bg::empty_input_exception const& )
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{
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return;
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}
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BOOST_CHECK_MESSAGE(false,
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"A empty_input_exception should have been thrown");
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try
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{
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bg::distance(geometry2, geometry1);
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}
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catch(bg::empty_input_exception const& )
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{
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return;
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}
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BOOST_CHECK_MESSAGE(false,
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"A empty_input_exception should have been thrown");
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try
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{
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bg::distance(geometry1, geometry2, strategy);
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}
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catch(bg::empty_input_exception const& )
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{
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return;
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}
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BOOST_CHECK_MESSAGE(false,
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"A empty_input_exception should have been thrown");
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try
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{
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bg::distance(geometry2, geometry1, strategy);
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}
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catch(bg::empty_input_exception const& )
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{
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return;
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}
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BOOST_CHECK_MESSAGE(false,
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"A empty_input_exception should have been thrown");
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}
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#endif // BOOST_GEOMETRY_TEST_DISTANCE_SE_COMMON_HPP
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