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Diffstat (limited to 'libs/geometry/test/strategies/andoyer.cpp')
-rw-r--r-- | libs/geometry/test/strategies/andoyer.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/libs/geometry/test/strategies/andoyer.cpp b/libs/geometry/test/strategies/andoyer.cpp new file mode 100644 index 000000000..c1fe0293b --- /dev/null +++ b/libs/geometry/test/strategies/andoyer.cpp @@ -0,0 +1,108 @@ +// Boost.Geometry (aka GGL, Generic Geometry Library) +// Unit Test + +// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. +// Copyright (c) 2008-2012 Bruno Lalande, Paris, France. +// Copyright (c) 2009-2012 Mateusz Loskot, London, UK. + +// This file was modified by Oracle on 2014. +// Modifications copyright (c) 2014 Oracle and/or its affiliates. + +// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle + +// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library +// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. + +// 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/concept_check.hpp> + +#include <boost/geometry/strategies/geographic/distance_andoyer.hpp> + +#include <boost/geometry/core/srs.hpp> +#include <boost/geometry/strategies/strategies.hpp> +#include <boost/geometry/algorithms/assign.hpp> +#include <boost/geometry/geometries/point.hpp> +#include <test_common/test_point.hpp> + +#ifdef HAVE_TTMATH +# include <boost/geometry/extensions/contrib/ttmath_stub.hpp> +#endif + + + +template <typename P1, typename P2> +void test_andoyer(double lon1, double lat1, double lon2, double lat2, double expected_km) +{ + // Set radius type, but for integer coordinates we want to have floating point radius type + typedef typename bg::promote_floating_point + < + typename bg::coordinate_type<P1>::type + >::type rtype; + + typedef bg::srs::spheroid<rtype> stype; + + typedef bg::strategy::distance::andoyer<stype> andoyer_type; + + BOOST_CONCEPT_ASSERT + ( + (bg::concept::PointDistanceStrategy<andoyer_type, P1, P2>) + ); + + andoyer_type andoyer; + typedef typename bg::strategy::distance + ::services::return_type<andoyer_type, P1, P2>::type return_type; + + + P1 p1, p2; + + bg::assign_values(p1, lon1, lat1); + bg::assign_values(p2, lon2, lat2); + + BOOST_CHECK_CLOSE(andoyer.apply(p1, p2), return_type(1000.0 * expected_km), 0.001); + BOOST_CHECK_CLOSE(bg::distance(p1, p2, andoyer), return_type(1000.0 * expected_km), 0.001); +} + +template <typename P1, typename P2> +void test_all() +{ + test_andoyer<P1, P2>(0, 90, 1, 80, 1116.814237); // polar + test_andoyer<P1, P2>(4, 52, 4, 52, 0.0); // no point difference + test_andoyer<P1, P2>(4, 52, 3, 40, 1336.039890); // normal case + + /* SQL Server gives: + 1116.82586908528, 0, 1336.02721932545 + + with: +SELECT 0.001 * geography::STGeomFromText('POINT(0 90)', 4326).STDistance(geography::STGeomFromText('POINT(1 80)', 4326)) +union SELECT 0.001 * geography::STGeomFromText('POINT(4 52)', 4326).STDistance(geography::STGeomFromText('POINT(4 52)', 4326)) +union SELECT 0.001 * geography::STGeomFromText('POINT(4 52)', 4326).STDistance(geography::STGeomFromText('POINT(3 40)', 4326)) + */ +} + +template <typename P> +void test_all() +{ + test_all<P, P>(); +} + +int test_main(int, char* []) +{ + //test_all<float[2]>(); + //test_all<double[2]>(); + test_all<bg::model::point<int, 2, bg::cs::geographic<bg::degree> > >(); + test_all<bg::model::point<float, 2, bg::cs::geographic<bg::degree> > >(); + test_all<bg::model::point<double, 2, bg::cs::geographic<bg::degree> > >(); + +#if defined(HAVE_TTMATH) + test_all<bg::model::point<ttmath::Big<1,4>, 2, bg::cs::geographic<bg::degree> > >(); + test_all<bg::model::point<ttmath_big, 2, bg::cs::geographic<bg::degree> > >(); +#endif + + return 0; +} |