135 lines
5.0 KiB
C++
135 lines
5.0 KiB
C++
// Boost.Geometry
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// Copyright (c) 2016-2018 Oracle and/or its affiliates.
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// Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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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 <geometry_test_common.hpp>
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#include <boost/geometry/io/wkt/wkt.hpp>
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#include <boost/geometry/geometries/box.hpp>
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#include <boost/geometry/strategies/geographic/envelope_segment.hpp>
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#include <boost/geometry/strategies/spherical/envelope_segment.hpp>
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template
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<
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typename FormulaPolicy,
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typename P,
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typename CT
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>
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void test_strategies_lat(P p1, P p2, CT expected_max, CT expected_min,
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CT expected_max_sph, CT expected_min_sph, CT error = 0.0001)
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{
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bg::model::box<P> box;
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bg::strategy::envelope::geographic_segment
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<
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FormulaPolicy,
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bg::srs::spheroid<CT>,
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CT
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> strategy_geo;
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strategy_geo.apply(p1, p2, box);
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CT p_min_degree_geo = bg::get<0, 1>(box);
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CT p_max_degree_geo = bg::get<1, 1>(box);
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BOOST_CHECK_CLOSE(p_max_degree_geo, expected_max, error);
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BOOST_CHECK_CLOSE(p_min_degree_geo, expected_min, error);
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typedef bg::strategy::envelope::spherical_segment<CT> strategy_sph_t;
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strategy_sph_t::apply(p1, p2, box);
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CT p_min_degree_sph = bg::get<0, 1>(box);
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CT p_max_degree_sph = bg::get<1, 1>(box);
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BOOST_CHECK_CLOSE(p_max_degree_sph, expected_max_sph, error);
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BOOST_CHECK_CLOSE(p_min_degree_sph, expected_min_sph, error);
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}
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template <typename CT>
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void test_all()
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{
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typedef bg::model::point<CT, 2, bg::cs::geographic<bg::degree> > Pg;
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// Short segments
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test_strategies_lat<bg::strategy::thomas>
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(Pg(1, 1), Pg(10, 5), 5.0, 1.0, 5.0, 1.0);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(1, 1), Pg(10, 1), 1.0031124506594733, 1.0, 1.0030915676477881, 1.0);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(-5, 1), Pg(4, 1), 1.0031124506594733, 1.0, 1.0030915676477881, 1.0);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(175, 1), Pg(184, 1), 1.0031124506594733, 1.0, 1.0030915676477881, 1.0);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(355, 1), Pg(4, 1), 1.0031124506594733, 1.0, 1.0030915676477881, 1.0);
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// Reverse direction
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test_strategies_lat<bg::strategy::thomas>
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(Pg(1, 2), Pg(70, 1), 2.0239716998355468, 1.0, 2.0228167431951536, 1.0);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(70, 1), Pg(1, 2), 2.0239716998351849, 1.0, 2.022816743195063, 1.0);
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// Long segments
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test_strategies_lat<bg::strategy::thomas>
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(Pg(0, 1), Pg(170, 1), 11.975026023950877, 1.0, 11.325049479775814, 1.0);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(0, 1), Pg(179, 1), 68.452669316418039, 1.0, 63.437566893227093, 1.0);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(0, 1), Pg(179.5, 1), 78.84050225214871, 1.0, 75.96516822754981, 1.0);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(0, 1), Pg(180.5, 1), 78.84050225214871, 1.0, 75.965168227550194, 1.0);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(0, 1), Pg(180, 1), 90.0, 1.0, 90.0, 1.0);
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// South hemisphere
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test_strategies_lat<bg::strategy::thomas>
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(Pg(1, -1), Pg(10, -5), -1.0, -5.0, -1.0, -5.0);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(1, -1), Pg(10, -1), -1.0, -1.0031124506594733, -1.0, -1.0030915676477881);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(1, -1), Pg(170, -1), -1.0, -10.85834257048573, -1.0, -10.321374780571153);
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// Different strategies for inverse
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test_strategies_lat<bg::strategy::thomas>
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(Pg(1, 1), Pg(10, 1), 1.0031124506594733, 1.0,
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1.0030915676477881, 1.0, 0.00000001);
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test_strategies_lat<bg::strategy::andoyer>
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(Pg(1, 1), Pg(10, 1), 1.0031124504591062, 1.0,
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1.0030915676477881, 1.0, 0.00000001);
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test_strategies_lat<bg::strategy::vincenty>
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(Pg(1, 1), Pg(10, 1), 1.0031124508942098, 1.0,
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1.0030915676477881, 1.0, 0.00000001);
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// Meridian and equator
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test_strategies_lat<bg::strategy::thomas>
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(Pg(1, 10), Pg(1, -10), 10.0, -10.0, 10.0, -10.0);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(1, 0), Pg(10, 0), 0.0, 0.0, 0.0, 0.0);
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// One endpoint in northern hemisphere and the other in southern hemisphere
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test_strategies_lat<bg::strategy::thomas>
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(Pg(1, 1), Pg(150, -5), 1.0, -8.1825389632359933, 1.0, -8.0761230625567588);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(150, -5), Pg(1, 1), 1.0, -8.1825389632359933, 1.0, -8.0761230625568015);
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test_strategies_lat<bg::strategy::thomas>
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(Pg(150, 5), Pg(1, -1), 8.1825389632359933, -1.0, 8.0761230625568015, -1.0);
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}
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int test_main( int , char* [] )
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{
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test_all<double>();
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return 0;
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}
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