225 lines
9.1 KiB
C++
225 lines
9.1 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2012-2019 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 "test_buffer.hpp"
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static std::string const simplex = "MULTIPOINT((5 5),(7 7))";
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static std::string const three = "MULTIPOINT((5 8),(9 8),(7 11))";
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// Generated error (extra polygon on top of rest) at distance 14.0:
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static std::string const multipoint_a = "MULTIPOINT((39 44),(38 37),(41 29),(15 33),(58 39))";
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// Just one with holes at distance ~ 15
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static std::string const multipoint_b = "MULTIPOINT((5 56),(98 67),(20 7),(58 60),(10 4),(75 68),(61 68),(75 62),(92 26),(74 6),(67 54),(20 43),(63 30),(45 7))";
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// Grid, U-form, generates error for square point at 0.54 (top cells to control rescale)
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static std::string const grid_a = "MULTIPOINT(5 0,6 0,7 0, 5 1,7 1, 0 13,8 13)";
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static std::string const mysql_report_2015_02_25_1 = "MULTIPOINT(-9 19,9 -6,-4 4,16 -14,-3 16,14 9)";
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static std::string const mysql_report_2015_02_25_2 = "MULTIPOINT(-2 11,-15 3,6 4,-14 0,20 -7,-17 -1)";
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static std::string const mysql_report_3 = "MULTIPOINT(0 0,0 0,0 0,0 0,0 0)";
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template <bool Clockwise, typename P>
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void test_all()
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{
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typedef bg::model::polygon<P, Clockwise> polygon;
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typedef bg::model::multi_point<P> multi_point_type;
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bg::strategy::buffer::join_round join;
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bg::strategy::buffer::end_flat end_flat;
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typedef bg::strategy::buffer::distance_symmetric
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<
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typename bg::coordinate_type<P>::type
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> distance_strategy;
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bg::strategy::buffer::side_straight side_strategy;
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double const pi = boost::geometry::math::pi<double>();
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test_one<multi_point_type, polygon>("simplex1", simplex, join, end_flat, 2.0 * pi, 1.0);
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test_one<multi_point_type, polygon>("simplex2", simplex, join, end_flat, 22.8372, 2.0);
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test_one<multi_point_type, polygon>("simplex3", simplex, join, end_flat, 44.5692, 3.0);
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test_one<multi_point_type, polygon>("three1", three, join, end_flat, 3.0 * pi, 1.0);
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#if defined(BOOST_GEOMETRY_USE_RESCALING) || defined(BOOST_GEOMETRY_TEST_FAILURES)
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// For no-rescaling, fails in CCW mode
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test_one<multi_point_type, polygon>("three2", three, join, end_flat, 36.7592, 2.0);
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#endif
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test_one<multi_point_type, polygon>("three19", three, join, end_flat, 33.6914, 1.9);
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test_one<multi_point_type, polygon>("three21", three, join, end_flat, 39.6394, 2.1);
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test_one<multi_point_type, polygon>("three3", three, join, end_flat, 65.533, 3.0);
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test_one<multi_point_type, polygon>("multipoint_a", multipoint_a, join, end_flat, 2049.98, 14.0);
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test_one<multi_point_type, polygon>("multipoint_b", multipoint_b, join, end_flat, 7109.88, 15.0);
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test_one<multi_point_type, polygon>("multipoint_b1", multipoint_b, join, end_flat, 6911.89, 14.7);
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test_one<multi_point_type, polygon>("multipoint_b2", multipoint_b, join, end_flat, 7174.79, 15.1);
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// Grid tests
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{
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bg::strategy::buffer::point_square point_strategy;
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test_with_custom_strategies<multi_point_type, polygon>("grid_a50",
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grid_a, join, end_flat,
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distance_strategy(0.5), side_strategy, point_strategy, 7.0);
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test_with_custom_strategies<multi_point_type, polygon>("grid_a54",
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grid_a, join, end_flat,
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distance_strategy(0.54), side_strategy, point_strategy, 7.819);
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}
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test_with_custom_strategies<multi_point_type, polygon>("mysql_report_2015_02_25_1_800",
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mysql_report_2015_02_25_1, join, end_flat,
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distance_strategy(6051788), side_strategy,
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bg::strategy::buffer::point_circle(800),
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115057490003226.125, ut_settings(1.0));
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{
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typename bg::strategy::area::services::default_strategy
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<
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typename bg::cs_tag<P>::type
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>::type area_strategy;
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multi_point_type g;
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bg::read_wkt(mysql_report_3, g);
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bg::model::multi_polygon<polygon> buffered;
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test_buffer<polygon>("mysql_report_3", buffered, g,
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bg::strategy::buffer::join_round(36),
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bg::strategy::buffer::end_round(36),
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distance_strategy(1),
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side_strategy,
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bg::strategy::buffer::point_circle(36),
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area_strategy,
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1, 0, 3.12566719800474635, ut_settings(1.0));
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}
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}
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template <typename P>
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void test_many_points_per_circle()
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{
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// Tests for large distances / many points in circles.
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// Before Boost 1.58, this would (seem to) hang. It is solved by using monotonic sections in get_turns for buffer
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// This is more time consuming, only calculate this for counter clockwise
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// Reported by MySQL 2015-02-25
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// SELECT ST_ASTEXT(ST_BUFFER(ST_GEOMFROMTEXT(''), 6051788, ST_BUFFER_STRATEGY('point_circle', 83585)));
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// SELECT ST_ASTEXT(ST_BUFFER(ST_GEOMFROMTEXT(''), 5666962, ST_BUFFER_STRATEGY('point_circle', 46641))) ;
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typedef bg::model::polygon<P, false> polygon;
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typedef bg::model::multi_point<P> multi_point_type;
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bg::strategy::buffer::join_round join;
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bg::strategy::buffer::end_flat end_flat;
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typedef bg::strategy::buffer::distance_symmetric
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<
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typename bg::coordinate_type<P>::type
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> distance_strategy;
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bg::strategy::buffer::side_straight side_strategy;
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using bg::strategy::buffer::point_circle;
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#if ! defined(BOOST_GEOMETRY_USE_RESCALING)
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double const tolerance = 1000.0;
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#else
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double const tolerance = 1.0;
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#endif
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// Area should be somewhat larger (~>) than pi*distance^2
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// 6051788: area ~> 115058122875258
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// Strategies with many points, which are (very) slow in debug mode
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test_with_custom_strategies<multi_point_type, polygon>(
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"mysql_report_2015_02_25_1_8000",
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mysql_report_2015_02_25_1, join, end_flat,
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distance_strategy(6051788), side_strategy, point_circle(8000),
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115058661065242.812, ut_settings(10.0 * tolerance));
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// Expectations:
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// 115058672785641.031
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// 115058672785680.281
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// 115058672785679.922
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test_with_custom_strategies<multi_point_type, polygon>(
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"mysql_report_2015_02_25_1",
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mysql_report_2015_02_25_1, join, end_flat,
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distance_strategy(6051788), side_strategy, point_circle(83585),
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115058672785660.0, ut_settings(25.0 * tolerance));
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// Takes about 7 seconds in release mode
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// Expectations:
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// 115058672880035.391
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// 115058672879944.547
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// 115058672879920.484
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test_with_custom_strategies<multi_point_type, polygon>(
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"mysql_report_2015_02_25_1_250k",
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mysql_report_2015_02_25_1, join, end_flat,
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distance_strategy(6051788), side_strategy, point_circle(250000),
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115058672879977.0, ut_settings(150.0 * tolerance));
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#if defined(BOOST_GEOMETRY_BUFFER_INCLUDE_SLOW_TESTS)
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// Takes about 110 seconds in release mode
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test_with_custom_strategies<multi_point_type, polygon>(
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"mysql_report_2015_02_25_1_800k",
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mysql_report_2015_02_25_1, join, end_flat,
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distance_strategy(6051788), side_strategy, point_circle(800000),
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115058672871849.219, ut_settings(tolerance));
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#endif
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// 5666962: area ~> 100890546298964
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// Expectations:
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// 100891031341796.875
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// 100891031341794.766
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// 100891031341794.078
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test_with_custom_strategies<multi_point_type, polygon>(
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"mysql_report_2015_02_25_2",
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mysql_report_2015_02_25_2, join, end_flat,
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distance_strategy(5666962), side_strategy, point_circle(46641),
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100891031341795.0, ut_settings(200.0 * tolerance));
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// Multipoint b with large distances/many points
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// Area ~> pi * 10x
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// Expectations:
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// 3141871558222.398
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// 3141871558231.5166
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// 3141871558231.48926
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test_with_custom_strategies<multi_point_type, polygon>(
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"multipoint_b_50k",
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multipoint_b, join, end_flat,
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distance_strategy(1000000), side_strategy, point_circle(50000),
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3141871558227.0, ut_settings(40.0 * tolerance));
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#if defined(BOOST_GEOMETRY_BUFFER_INCLUDE_SLOW_TESTS)
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// Tests optimization min/max radius
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// Takes about 55 seconds in release mode
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test_with_custom_strategies<multi_point_type, polygon>(
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"multipoint_b_500k",
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multipoint_b, join, end_flat,
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distance_strategy(10000000), side_strategy, point_circle(500000),
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314162054419515.562, ut_settings((tolerance));
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#endif
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}
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int test_main(int, char* [])
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{
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BoostGeometryWriteTestConfiguration();
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test_all<true, bg::model::point<default_test_type, 2, bg::cs::cartesian> >();
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#if ! defined(BOOST_GEOMETRY_TEST_ONLY_ONE_ORDER)
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test_all<false, bg::model::point<default_test_type, 2, bg::cs::cartesian> >();
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#endif
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#if defined(BOOST_GEOMETRY_COMPILER_MODE_RELEASE) && ! defined(BOOST_GEOMETRY_COMPILER_MODE_DEBUG)
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test_many_points_per_circle<bg::model::point<double, 2, bg::cs::cartesian> >();
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#else
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std::cout << "Skipping some tests in debug or unknown mode" << std::endl;
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#endif
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return 0;
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}
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