129 lines
6.0 KiB
C++
129 lines
6.0 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 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_TEST_MODULE
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#define BOOST_TEST_MODULE test_is_simple_geo
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#endif
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#include "test_is_simple.hpp"
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inline bg::srs::spheroid<double> sph(double a, double rf)
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{
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double b = a - a / rf;
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return bg::srs::spheroid<double>(a, b);
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}
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typedef bg::model::point<double, 2, bg::cs::geographic<bg::degree> > point_type;
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typedef bg::model::segment<point_type> segment_type;
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typedef bg::model::linestring<point_type> linestring_type;
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typedef bg::model::multi_linestring<linestring_type> multi_linestring_type;
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// ccw open and closed polygons
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typedef bg::model::polygon<point_type,false,false> open_ccw_polygon_type;
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typedef bg::model::polygon<point_type,false,true> closed_ccw_polygon_type;
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// multi-geometries
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typedef bg::model::multi_point<point_type> multi_point_type;
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typedef bg::model::multi_polygon<open_ccw_polygon_type> multi_polygon_type;
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// box
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typedef bg::model::box<point_type> box_type;
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BOOST_AUTO_TEST_CASE( test_is_simple_geo_multipoint )
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{
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typedef multi_point_type G;
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bg::strategy::intersection::geographic_segments<> s;
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test_simple_s(from_wkt<G>("MULTIPOINT(0 90, 0 90)"), s, false);
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test_simple_s(from_wkt<G>("MULTIPOINT(0 90, 1 90)"), s, false);
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test_simple_s(from_wkt<G>("MULTIPOINT(0 -90, 0 -90)"), s, false);
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test_simple_s(from_wkt<G>("MULTIPOINT(0 -90, 1 -90)"), s, false);
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test_simple_s(from_wkt<G>("MULTIPOINT(0 80, 1 80)"), s, true);
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}
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BOOST_AUTO_TEST_CASE( test_is_simple_geo_linestring )
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{
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typedef linestring_type G;
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bg::srs::spheroid<double> sph_wgs84;
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bg::srs::spheroid<double> sph_4053(6371228, 6371228);
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bg::srs::spheroid<double> sph_near_4053(6371228, 6371227);
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bg::strategy::intersection::geographic_segments<> s(sph_wgs84);
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bg::strategy::intersection::geographic_segments<> s_4053(sph_4053);
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bg::strategy::intersection::geographic_segments<> s_near_4053(sph_near_4053);
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// Two cases which in Cartesian would be a spike, but in Geographic
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// they go over the equator (first segment) and then over the pole
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// (second segment)
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test_simple_s(from_wkt<G>("LINESTRING(0 0, -90 0, 90 0)"), s, true);
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test_simple_s(from_wkt<G>("LINESTRING(0 0, 90 0, -90 0)"), s, true);
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// Two similar cases, but these do not go over the pole back, but
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// over the equator, and therefore make a spike
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test_simple_s(from_wkt<G>("LINESTRING(0 0, -80 0, 80 0)"), s, false);
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test_simple_s(from_wkt<G>("LINESTRING(0 0, 80 0, -80 0)"), s, false);
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// Going over the equator in a normal way, eastwards and westwards
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test_simple_s(from_wkt<G>("LINESTRING(-90 0, 0 0, 90 0)"), s, true);
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test_simple_s(from_wkt<G>("LINESTRING(90 0, 0 0, -90 0)"), s, true);
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test_simple_s(from_wkt<G>("LINESTRING(0 90, -90 0, 90 0)"), s, false);
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test_simple_s(from_wkt<G>("LINESTRING(0 90, -90 50, 90 0)"), s, false);
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test_simple_s(from_wkt<G>("LINESTRING(0 90, -90 -50, 90 0)"), s, true);
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// invalid linestrings
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test_simple_s(from_wkt<G>("LINESTRING(0 90, 0 90)"), s, false, false);
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test_simple_s(from_wkt<G>("LINESTRING(0 -90, 0 -90)"), s, false, false);
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test_simple_s(from_wkt<G>("LINESTRING(0 90, 1 90)"), s, false, false);
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test_simple_s(from_wkt<G>("LINESTRING(0 -90, 1 -90)"), s, false, false);
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// FAILING
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//test_simple_s(from_wkt<G>("LINESTRING(0 90, 0 80, 1 80, 0 90)"), s, false);
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//test_simple_s(from_wkt<G>("LINESTRING(0 -90, 0 -80, 1 -80, 0 -90)"), s, false);
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//test_simple_s(from_wkt<G>("LINESTRING(0 90, 0 80, 1 80, 1 90)"), s, false);
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//test_simple_s(from_wkt<G>("LINESTRING(0 -90, 0 -80, 1 -80, 1 -90)"), s, false);
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test_simple_s(from_wkt<G>("LINESTRING(35 0, 110 36, 159 0, 82 30)"), s, false);
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test_simple_s(from_wkt<G>("LINESTRING(135 0, -150 36, -101 0, -178 30)"), s, false);
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test_simple_s(from_wkt<G>("LINESTRING(45 0, 120 36, 169 0, 92 30)"), s, false);
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test_simple_s(from_wkt<G>("LINESTRING(179 0, -179 1, -179 0, 179 1)"), s, false);
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test_simple_s(from_wkt<G>("LINESTRING(-121 -19,37 8,-19 -15,-104 -58)"), s, false);
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test_simple_s(from_wkt<G>("LINESTRING(-121 -19,37 8,-19 -15,-104 -58)"), s_4053, false);
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test_simple_s(from_wkt<G>("LINESTRING(-121 -19,37 8,-19 -15,-104 -58)"), s_near_4053, false);
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// The segments are very close to each other, in WGS84 they cross,
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// in spherical or nearly spherical they don't cross
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test_simple_s(from_wkt<G>("LINESTRING(106 22,21 39,40 -12,-91 68)"), s, false);
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test_simple_s(from_wkt<G>("LINESTRING(106 22,21 39,40 -12,-91 68)"), s_4053, true);
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test_simple_s(from_wkt<G>("LINESTRING(106 22,21 39,40 -12,-91 68)"), s_near_4053, true);
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}
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BOOST_AUTO_TEST_CASE( test_is_simple_geo_multilinestring )
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{
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typedef multi_linestring_type G;
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bg::strategy::intersection::geographic_segments<> s_wgs84; // EPSG 4326
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bg::strategy::intersection::geographic_segments<> s_bessel((sph(6377397.155,299.1528128))); // EPSG 4804, 4813, 4820
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// FAILING
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//test_simple_s(from_wkt<G>("MULTILINESTRING((0 90, 0 80),(1 90, 1 80))"), s_wgs84, false);
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//test_simple_s(from_wkt<G>("MULTILINESTRING((0 -90, 0 -80),(1 -90, 1 -80))"), s_wgs84, false);
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test_simple_s(from_wkt<G>("MULTILINESTRING((35 0, 110 36),(159 0, 82 30))"), s_wgs84, false);
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test_simple_s(from_wkt<G>("MULTILINESTRING((135 0, -150 36),(-101 0, -178 30))"), s_wgs84, false);
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test_simple_s(from_wkt<G>("MULTILINESTRING((45 0, 120 36),(169 0, 92 30))"), s_wgs84, false);
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test_simple_s(from_wkt<G>("MULTILINESTRING((179 0, -179 1),(-179 0, 179 1))"), s_wgs84, false);
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test_simple_s(from_wkt<G>("MULTILINESTRING((35 2,110 36),(72 51,67 28,16 53,159 3,82 30))"), s_wgs84, false);
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test_simple_s(from_wkt<G>("MULTILINESTRING((35 2,110 36),(72 51,67 28,16 53,159 3,82 30))"), s_bessel, false);
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}
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