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Port osmium point-in-polygon function

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This commit is contained in:
Michael Krasnyk
2017-08-30 16:33:23 +02:00
parent b15288e0ea
commit 421115200b
3 changed files with 175 additions and 15 deletions
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unit_tests/extractor/location_dependent_data_tests.cpp
+58 -10
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@@ -51,10 +51,10 @@ BOOST_AUTO_TEST_CASE(polygon_tests)
LocationDependentData data(fixture.temporary_file);
BOOST_CHECK(data(point_t(0, 0)).empty());
BOOST_CHECK(data(point_t(1, 1)).empty());
BOOST_CHECK(data(point_t(0, 1)).empty());
BOOST_CHECK(data(point_t(0.5, -0.5)).empty());
BOOST_CHECK(data(point_t(0, -3)).empty());
BOOST_CHECK(!data(point_t(1, 1)).empty());
BOOST_CHECK(!data(point_t(0, 1)).empty());
BOOST_CHECK(!data(point_t(0.5, -0.5)).empty());
BOOST_CHECK(!data(point_t(0, -3)).empty());
BOOST_CHECK(!data(point_t(-0.75, 0.75)).empty());
BOOST_CHECK(!data(point_t(-2, 6)).empty());
BOOST_CHECK_EQUAL(boost::get<double>(data(point_t(2, 0))["answer"]), 42.);
@@ -110,13 +110,61 @@ BOOST_AUTO_TEST_CASE(polygon_merging_tests)
]})json");
LocationDependentData data(fixture.temporary_file);
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(0, 0))["answer"]), "a");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(-3, 3))["answer"]), "a");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(-3, 1))["answer"]), "a");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(-3, -3))["answer"]), "a");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(0, 3))["answer"]), "a");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(1, 0))["answer"]), "a");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(2, 0))["answer"]), "a");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(3, 0))["answer"]), "b");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(4, 0))["answer"]), "b");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(6, 0))["answer"]), "b");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(7, 0))["answer"]), "c");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(2, -3))["answer"]), "a");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(3, 0))["answer"]), "a");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(4, 3))["answer"]), "b");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(6, 1))["answer"]), "b");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(7, 0))["answer"]), "b");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(8, 3))["answer"]), "c");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(8, -1))["answer"]), "c");
BOOST_CHECK_EQUAL(boost::get<std::string>(data(point_t(8, -3))["answer"]), "c");
}
BOOST_AUTO_TEST_CASE(staircase_polygon)
{
LocationDataFixture fixture(R"json({
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": { "answer": "a" },
"geometry": { "type": "Polygon", "coordinates": [ [ [0, 0], [3, 0], [3, 3], [2, 3], [2, 2], [1, 2], [1, 1], [0, 1], [0, 0] ] ] }
}
]})json");
LocationDependentData data(fixture.temporary_file);
// all corners
BOOST_CHECK(!data(point_t(0, 0)).empty());
BOOST_CHECK(!data(point_t(0, 1)).empty());
BOOST_CHECK(!data(point_t(1, 1)).empty());
BOOST_CHECK(!data(point_t(1, 2)).empty());
BOOST_CHECK(!data(point_t(2, 2)).empty());
BOOST_CHECK(!data(point_t(2, 3)).empty());
BOOST_CHECK(!data(point_t(3, 3)).empty());
BOOST_CHECK(!data(point_t(3, 0)).empty());
// at x = 1
BOOST_CHECK(data(point_t(1, -0.5)).empty());
BOOST_CHECK(!data(point_t(1, 0)).empty());
BOOST_CHECK(!data(point_t(1, 0.5)).empty());
BOOST_CHECK(!data(point_t(1, 1.5)).empty());
BOOST_CHECK(data(point_t(1, 2.5)).empty());
BOOST_CHECK(data(point_t(3.5, 2)).empty());
// at y = 2
BOOST_CHECK(data(point_t(0.5, 2)).empty());
BOOST_CHECK(!data(point_t(1, 2)).empty());
BOOST_CHECK(!data(point_t(1.5, 2)).empty());
BOOST_CHECK(!data(point_t(2, 2)).empty());
BOOST_CHECK(!data(point_t(2.5, 2)).empty());
BOOST_CHECK(!data(point_t(3, 2)).empty());
BOOST_CHECK(data(point_t(3.5, 2)).empty());
}
BOOST_AUTO_TEST_SUITE_END()