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138 lines
4.3 KiB
C++
138 lines
4.3 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2007-2011 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 <geometry_test_common.hpp>
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#include <boost/geometry/algorithms/assign.hpp>
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#include <boost/geometry/strategies/spherical/side_by_cross_track.hpp>
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#include <boost/geometry/strategies/spherical/side_via_plane.hpp>
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#include <boost/geometry/strategies/spherical/ssf.hpp>
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#include <boost/geometry/strategies/cartesian/side_by_triangle.hpp>
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#include <boost/geometry/core/cs.hpp>
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#include <boost/geometry/geometries/point.hpp>
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#include <boost/geometry/geometries/segment.hpp>
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namespace boost { namespace geometry {
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template <typename Vector, typename Point1, typename Point2>
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static inline Vector create_vector(Point1 const& p1, Point2 const& p2)
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{
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Vector v;
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convert(p1, v);
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subtract_point(v, p2);
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return v;
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}
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}}
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inline char side_char(int side)
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{
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return side == 1 ? 'L'
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: side == -1 ? 'R'
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: '-'
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;
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}
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template <typename Point>
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void test_side1(std::string const& case_id, Point const& p1, Point const& p2, Point const& p3,
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int expected)
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{
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std::cout << case_id << ": ";
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//int s = bg::strategy::side::side_via_plane<>::apply(p1, p2, p3);
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int side1 = bg::strategy::side::spherical_side_formula<>::apply(p1, p2, p3);
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int side2 = bg::strategy::side::side_via_plane<>::apply(p1, p2, p3);
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int side3 = bg::strategy::side::side_by_cross_track<>::apply(p1, p2, p3);
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typedef bg::strategy_side<bg::spherical_equatorial_tag>::type spherical_strategy;
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//int side4 = spherical_strategy::apply(p1, p2, p3);
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typedef bg::strategy_side<bg::cartesian_tag>::type cartesian_strategy;
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int side5 = cartesian_strategy::apply(p1, p2, p3);
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//BOOST_CHECK_EQUAL(side1, expected);
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//BOOST_CHECK_EQUAL(side2, expected);
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std::cout
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<< "exp: " << side_char(expected)
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<< " ssf: " << side_char(side1)
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<< " pln: " << side_char(side2)
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<< " ct: " << side_char(side3)
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//<< " def: " << side_char(side4)
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<< " cart: " << side_char(side5)
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<< std::endl;
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}
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template <typename Point>
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void test_side(std::string const& case_id, Point const& p1, Point const& p2, Point const& p3,
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int expected)
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{
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test_side1(case_id, p1, p2, p3, expected);
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//test_side1(case_id, p2, p1, p3, -expected);
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}
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template <typename Point>
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void test_all()
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{
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typedef std::pair<double, double> pair;
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Point amsterdam(5.9, 52.4);
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Point barcelona(2.0, 41.0);
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Point paris(2.0, 48.0);
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Point milan(7.0, 45.0);
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goto wrong;
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test_side<Point>("bp-m", barcelona, paris, milan, -1);
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test_side<Point>("bm-p", barcelona, milan, paris, 1);
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test_side<Point>("mp-b", milan, paris, barcelona, 1);
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test_side<Point>("am-p", amsterdam, milan, paris, -1);
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test_side<Point>("pm-a", paris, milan, amsterdam, 1);
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wrong:
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Point blog_p1(10.0, 30.0);
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Point blog_p2(50.0, 50.0);
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Point blog_p(30.0, 39.0);
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test_side<Point>("blog1", blog_p1, blog_p2, blog_p, 1);
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return;
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// http://www.gcmap.com/mapui?P=50N+80E-60N+50W,65N+30E
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//Point blog_np1(80.0, 50.0);
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//Point blog_np2(-50.0, 60.0);
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// http://www.gcmap.com/mapui?P=50N+140E-60N+10E,65N+30E
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Point blog_np1(140.0, 50.0);
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Point blog_np2(10.0, 60.0);
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Point blog_np(30.0, 65.0);
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//test_side<Point>(blog_np1, blog_np2, blog_np, 1);
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test_side<Point>("40", blog_np1, blog_np2, Point(30.0, 40.0), 1);
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test_side<Point>("45", blog_np1, blog_np2, Point(30.0, 45.0), 1);
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test_side<Point>("50", blog_np1, blog_np2, Point(30.0, 50.0), 1);
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test_side<Point>("55", blog_np1, blog_np2, Point(30.0, 55.0), 1);
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test_side<Point>("60", blog_np1, blog_np2, Point(30.0, 60.0), 1);
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test_side<Point>("65", blog_np1, blog_np2, Point(30.0, 65.0), 1);
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test_side<Point>("70", blog_np1, blog_np2, Point(30.0, 70.0), 1);
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test_side<Point>("75", blog_np1, blog_np2, Point(30.0, 75.0), 1);
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}
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int test_main(int, char* [])
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{
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//test_all<bg::model::point<int, 2, bg::cs::spherical<bg::degree> > >();
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test_all<bg::model::point<double, 2, bg::cs::spherical<bg::degree> > >();
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return 0;
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}
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