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Diffstat (limited to 'src/boost/libs/geometry/test/strategies/spherical_side.cpp')
| -rw-r--r-- | src/boost/libs/geometry/test/strategies/spherical_side.cpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/boost/libs/geometry/test/strategies/spherical_side.cpp b/src/boost/libs/geometry/test/strategies/spherical_side.cpp new file mode 100644 index 000000000..b834e016a --- /dev/null +++ b/src/boost/libs/geometry/test/strategies/spherical_side.cpp @@ -0,0 +1,173 @@ +// Boost.Geometry (aka GGL, Generic Geometry Library) +// Unit Test + +// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. + +// This file was modified by Oracle on 2014, 2015. +// Modifications copyright (c) 2014-2015, Oracle and/or its affiliates. + +// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle + +// Use, modification and distribution is subject to the Boost Software License, +// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + + +#include <geometry_test_common.hpp> + + +#include <boost/geometry/algorithms/assign.hpp> + +#include <boost/geometry/core/coordinate_type.hpp> +#include <boost/geometry/core/cs.hpp> + +#include <boost/geometry/geometries/point.hpp> +#include <boost/geometry/geometries/segment.hpp> + +#include <boost/geometry/strategies/spherical/side_by_cross_track.hpp> +//#include <boost/geometry/strategies/spherical/side_via_plane.hpp> +#include <boost/geometry/strategies/spherical/ssf.hpp> +#include <boost/geometry/strategies/cartesian/side_by_triangle.hpp> + +#include <boost/geometry/strategies/geographic/mapping_ssf.hpp> +#include <boost/geometry/strategies/geographic/side_andoyer.hpp> +#include <boost/geometry/strategies/geographic/side_thomas.hpp> +#include <boost/geometry/strategies/geographic/side_vincenty.hpp> + +#include <boost/geometry/util/math.hpp> + + +namespace boost { namespace geometry { + +template <typename Vector, typename Point1, typename Point2> +static inline Vector create_vector(Point1 const& p1, Point2 const& p2) +{ + Vector v; + convert(p1, v); + subtract_point(v, p2); + return v; +} + +}} + +inline char side_char(int side) +{ + return side == 1 ? 'L' + : side == -1 ? 'R' + : '-' + ; +} + +template <typename Point> +void test_side1(std::string const& /*case_id*/, Point const& p1, Point const& p2, Point const& p3, + int expected, int expected_cartesian) +{ + namespace bgss = bg::strategy::side; + + // std::cout << case_id << ": "; + //int s = bgss::side_via_plane<>::apply(p1, p2, p3); + int side_ssf = bgss::spherical_side_formula<>::apply(p1, p2, p3); + //int side2 = bgss::side_via_plane<>::apply(p1, p2, p3); + int side_ct = bgss::side_by_cross_track<>::apply(p1, p2, p3); + + // non-official + typedef bg::srs::spheroid<double> spheroid; + spheroid const sph(1.0, 1.0); + int side_mssf1 = bgss::mapping_spherical_side_formula<spheroid>(sph).apply(p1, p2, p3); + int side_mssf2 = bgss::mapping_spherical_side_formula<spheroid, bgss::mapping_reduced>(sph).apply(p1, p2, p3); + int side_mssf3 = bgss::mapping_spherical_side_formula<spheroid, bgss::mapping_geocentric>(sph).apply(p1, p2, p3); + int side_andoyer = bgss::andoyer<spheroid>(sph).apply(p1, p2, p3); + int side_thomas = bgss::thomas<spheroid>(sph).apply(p1, p2, p3); + int side_vincenty = bgss::vincenty<spheroid>(sph).apply(p1, p2, p3); + + // cartesian + typedef bg::strategy::side::services::default_strategy<bg::cartesian_tag>::type cartesian_strategy; + int side_cart = cartesian_strategy::apply(p1, p2, p3); + + BOOST_CHECK_EQUAL(side_ssf, expected); + BOOST_CHECK_EQUAL(side_ct, expected); + BOOST_CHECK_EQUAL(side_mssf1, expected); + BOOST_CHECK_EQUAL(side_mssf2, expected); + BOOST_CHECK_EQUAL(side_mssf3, expected); + BOOST_CHECK_EQUAL(side_andoyer, expected); + BOOST_CHECK_EQUAL(side_thomas, expected); + BOOST_CHECK_EQUAL(side_vincenty, expected); + BOOST_CHECK_EQUAL(side_cart, expected_cartesian); + + /* + std::cout + << "exp: " << side_char(expected) + << " ssf: " << side_char(side1) + << " pln: " << side_char(side2) + << " ct: " << side_char(side3) + //<< " def: " << side_char(side4) + << " cart: " << side_char(side5) + << std::endl; + */ +} + +template <typename Point> +void test_side(std::string const& case_id, Point const& p1, Point const& p2, Point const& p3, + int expected, int expected_cartesian = -999) +{ + if (expected_cartesian == -999) + { + expected_cartesian = expected; + } + test_side1(case_id, p1, p2, p3, expected, expected_cartesian); + test_side1(case_id, p2, p1, p3, -expected, -expected_cartesian); +} + + +template <typename Point> +void test_all() +{ + typedef typename bg::coordinate_type<Point>::type CT; + + Point amsterdam(bg::math::rounding_cast<CT>(5.9), bg::math::rounding_cast<CT>(52.4)); + Point barcelona(2.0, 41.0); + Point paris(2.0, 48.0); + Point milan(7.0, 45.0); + + //goto wrong; + + test_side<Point>("bp-m", barcelona, paris, milan, -1); + test_side<Point>("bm-p", barcelona, milan, paris, 1); + test_side<Point>("mp-b", milan, paris, barcelona, 1); + + test_side<Point>("am-p", amsterdam, milan, paris, -1); + test_side<Point>("pm-a", paris, milan, amsterdam, 1); + + // http://www.gcmap.com/mapui?P=30N+10E-50N+50E,39N+30E + Point gcmap_p1(10.0, 30.0); + Point gcmap_p2(50.0, 50.0); + test_side<Point>("blog1", gcmap_p1, gcmap_p2, Point(30.0, 41.0), -1, 1); + test_side<Point>("blog1", gcmap_p1, gcmap_p2, Point(30.0, 42.0), -1, 1); + test_side<Point>("blog1", gcmap_p1, gcmap_p2, Point(30.0, 43.0), -1, 1); + test_side<Point>("blog1", gcmap_p1, gcmap_p2, Point(30.0, 44.0), 1); + + // http://www.gcmap.com/mapui?P=50N+80E-60N+50W,65N+30E + Point gcmap_np1(80.0, 50.0); + Point gcmap_np2(-50.0, 60.0); + // http://www.gcmap.com/mapui?P=50N+140E-60N+10E,65N+30E + //Point gcmap_np1(140.0, 50.0); + //Point gcmap_np2(10.0, 60.0); + //test_side<Point>(gcmap_np1, gcmap_np2, gcmap_np, 1); + test_side<Point>("40", gcmap_np1, gcmap_np2, Point(30.0, 60.0), 1, -1); + test_side<Point>("45", gcmap_np1, gcmap_np2, Point(30.0, 65.0), 1, -1); + test_side<Point>("70", gcmap_np1, gcmap_np2, Point(30.0, 70.0), 1, -1); + test_side<Point>("75", gcmap_np1, gcmap_np2, Point(30.0, 75.0), -1); +} + +int test_main(int, char* []) +{ + test_all<bg::model::point<int, 2, bg::cs::spherical<bg::degree> > >(); + test_all<bg::model::point<double, 2, bg::cs::spherical_equatorial<bg::degree> > >(); + +#if defined(HAVE_TTMATH) + typedef ttmath::Big<1,4> tt; + test_all<bg::model::point<tt, 2, bg::cs::spherical_equatorial<bg::degree> > >(); +#endif + + return 0; +} |