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geometry/test/algorithms/set_operations/intersection/intersection_box.cpp

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// Boost.Geometry
// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2015 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2015 Mateusz Loskot, London, UK.
// This file was modified by Oracle on 2015-2022.
// Modifications copyright (c) 2015-2022, Oracle and/or its affiliates.
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
#include <string>
#include "test_intersection.hpp"
template <typename Box>
void test_boxes(std::string const& wkt1, std::string const& wkt2, double expected_area, bool expected_result)
{
Box box1, box2;
bg::read_wkt(wkt1, box1);
bg::read_wkt(wkt2, box2);
Box box_out;
bg::assign_zero(box_out);
bool detected = bg::intersection(box1, box2, box_out);
typename bg::default_area_result<Box>::type area = bg::area(box_out);
BOOST_CHECK_EQUAL(detected, expected_result);
if (detected && expected_result)
{
BOOST_CHECK_CLOSE(area, expected_area, 0.01);
}
}
template <typename P>
void test_boxes_per_d(P const& min1, P const& max1, P const& min2, P const& max2, bool expected_result)
{
using box = bg::model::box<P>;
box box_out;
bool detected = bg::intersection(box(min1, max1), box(min2, max2), box_out);
BOOST_CHECK_EQUAL(detected, expected_result);
if (detected && expected_result)
{
BOOST_CHECK(bg::equals(box_out, box(min2,max1)));
}
}
template <typename CoordinateType>
void test_boxes_nd()
{
using p1 = bg::model::point<CoordinateType, 1, bg::cs::cartesian>;
using p2 = bg::model::point<CoordinateType, 2, bg::cs::cartesian>;
using p3 = bg::model::point<CoordinateType, 3, bg::cs::cartesian>;
test_boxes_per_d(p1(0), p1(5), p1(3), p1(6), true);
test_boxes_per_d(p2(0,0), p2(5,5), p2(3,3), p2(6,6), true);
test_boxes_per_d(p3(0,0,0), p3(5,5,5), p3(3,3,3), p3(6,6,6), true);
}
template <typename CoordinateType>
void test_box_geo(std::string const& wkt1, std::string const& wkt2, std::string const& wkt_result)
{
using point_deg = bg::model::point<CoordinateType, 2, bg::cs::geographic<bg::degree> >;
using point_rad = bg::model::point<CoordinateType, 2, bg::cs::geographic<bg::radian> >;
using box_deg = bg::model::box<point_deg>;
using box_rad = bg::model::box<point_rad>;
box_deg box1, box2;
bg::read_wkt(wkt1, box1);
bg::read_wkt(wkt2, box2);
box_rad box3{{bg::get_as_radian<0, 0>(box1), bg::get_as_radian<0, 1>(box1)},
{bg::get_as_radian<1, 0>(box1), bg::get_as_radian<1, 1>(box1)}};
box_rad box4{{bg::get_as_radian<0, 0>(box2), bg::get_as_radian<0, 1>(box2)},
{bg::get_as_radian<1, 0>(box2), bg::get_as_radian<1, 1>(box2)}};
box_deg box5;
box_rad box6;
bool result1 = bg::intersection(box1, box2, box5);
bool result2 = bg::intersection(box3, box4, box6);
if (wkt_result.empty())
{
BOOST_CHECK(! result1 && ! result2);
}
else
{
box_deg box7;
bg::read_wkt(wkt_result, box7);
box_rad box8{{bg::get_as_radian<0, 0>(box7), bg::get_as_radian<0, 1>(box7)},
{bg::get_as_radian<1, 0>(box7), bg::get_as_radian<1, 1>(box7)}};
BOOST_CHECK(result1 && result2);
BOOST_CHECK(bg::equals(box5, box7));
BOOST_CHECK(bg::equals(box6, box8));
}
}
template <typename T>
void test_boxes_geo()
{
test_box_geo<T>("box(0 0, 50 50)", "box(10 10, 40 40)", "box(10 10, 40 40)");
test_box_geo<T>("box(0 0, 50 50)", "box(10 10, 60 60)", "box(10 10, 50 50)");
test_box_geo<T>("box(100 -90, 270 90)", "box(10 10, 150 50)", "box(100 10, 150 50)");
test_box_geo<T>("box(180.0 -90, 180.00000000000034 90.000000000000085)", "box(1 1, 4 4)", "");
}
template <typename T>
void test_boxes_car()
{
using point = bg::model::d2::point_xy<T>;
using box = bg::model::box<point>;
test_boxes<box>("box(2 2,8 8)", "box(4 4,10 10)", 16, true);
test_boxes<box>("box(2 2,8 7)", "box(4 4,10 10)", 12, true);
test_boxes<box>("box(2 2,8 7)", "box(14 4,20 10)", 0, false);
test_boxes<box>("box(2 2,4 4)", "box(4 4,8 8)", 0, true);
}
int test_main(int, char*[])
{
test_boxes_car<default_test_type>();
test_boxes_geo<double>();
#ifndef BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE
test_boxes_car<float>();
test_boxes_nd<double>();
#endif
return 0;
}