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authorDongHun Kwak <dh0128.kwak@samsung.com>2016-03-21 15:45:20 +0900
committerDongHun Kwak <dh0128.kwak@samsung.com>2016-03-21 15:46:37 +0900
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Change-Id: If0072143aa26874812e0db6872e1efb10a3e5e94 Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
Diffstat (limited to 'boost/geometry/strategies/geographic')
-rw-r--r--boost/geometry/strategies/geographic/distance_andoyer.hpp224
-rw-r--r--boost/geometry/strategies/geographic/distance_vincenty.hpp161
-rw-r--r--boost/geometry/strategies/geographic/mapping_ssf.hpp185
3 files changed, 570 insertions, 0 deletions
diff --git a/boost/geometry/strategies/geographic/distance_andoyer.hpp b/boost/geometry/strategies/geographic/distance_andoyer.hpp
new file mode 100644
index 0000000000..64de8c1a41
--- /dev/null
+++ b/boost/geometry/strategies/geographic/distance_andoyer.hpp
@@ -0,0 +1,224 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
+
+// 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
+
+// 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)
+
+#ifndef BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_ANDOYER_HPP
+#define BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_ANDOYER_HPP
+
+
+#include <boost/geometry/core/coordinate_type.hpp>
+#include <boost/geometry/core/radian_access.hpp>
+#include <boost/geometry/core/radius.hpp>
+#include <boost/geometry/core/srs.hpp>
+
+#include <boost/geometry/algorithms/detail/flattening.hpp>
+
+#include <boost/geometry/strategies/distance.hpp>
+
+#include <boost/geometry/util/math.hpp>
+#include <boost/geometry/util/promote_floating_point.hpp>
+#include <boost/geometry/util/select_calculation_type.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+namespace strategy { namespace distance
+{
+
+
+/*!
+\brief Point-point distance approximation taking flattening into account
+\ingroup distance
+\tparam Spheroid The reference spheroid model
+\tparam CalculationType \tparam_calculation
+\author After Andoyer, 19xx, republished 1950, republished by Meeus, 1999
+\note Although not so well-known, the approximation is very good: in all cases the results
+are about the same as Vincenty. In my (Barend's) testcases the results didn't differ more than 6 m
+\see http://nacc.upc.es/tierra/node16.html
+\see http://sci.tech-archive.net/Archive/sci.geo.satellite-nav/2004-12/2724.html
+\see http://home.att.net/~srschmitt/great_circle_route.html (implementation)
+\see http://www.codeguru.com/Cpp/Cpp/algorithms/article.php/c5115 (implementation)
+\see http://futureboy.homeip.net/frinksamp/navigation.frink (implementation)
+\see http://www.voidware.com/earthdist.htm (implementation)
+*/
+template
+<
+ typename Spheroid,
+ typename CalculationType = void
+>
+class andoyer
+{
+public :
+ template <typename Point1, typename Point2>
+ struct calculation_type
+ : promote_floating_point
+ <
+ typename select_calculation_type
+ <
+ Point1,
+ Point2,
+ CalculationType
+ >::type
+ >
+ {};
+
+ typedef Spheroid model_type;
+
+ inline andoyer()
+ : m_spheroid()
+ {}
+
+ explicit inline andoyer(Spheroid const& spheroid)
+ : m_spheroid(spheroid)
+ {}
+
+
+ template <typename Point1, typename Point2>
+ inline typename calculation_type<Point1, Point2>::type
+ apply(Point1 const& point1, Point2 const& point2) const
+ {
+ return calc<typename calculation_type<Point1, Point2>::type>
+ (
+ get_as_radian<0>(point1), get_as_radian<1>(point1),
+ get_as_radian<0>(point2), get_as_radian<1>(point2)
+ );
+ }
+
+ inline Spheroid const& model() const
+ {
+ return m_spheroid;
+ }
+
+private :
+ template <typename CT, typename T>
+ inline CT calc(T const& lon1,
+ T const& lat1,
+ T const& lon2,
+ T const& lat2) const
+ {
+ CT const G = (lat1 - lat2) / 2.0;
+ CT const lambda = (lon1 - lon2) / 2.0;
+
+ if (geometry::math::equals(lambda, 0.0)
+ && geometry::math::equals(G, 0.0))
+ {
+ return 0.0;
+ }
+
+ CT const F = (lat1 + lat2) / 2.0;
+
+ CT const sinG2 = math::sqr(sin(G));
+ CT const cosG2 = math::sqr(cos(G));
+ CT const sinF2 = math::sqr(sin(F));
+ CT const cosF2 = math::sqr(cos(F));
+ CT const sinL2 = math::sqr(sin(lambda));
+ CT const cosL2 = math::sqr(cos(lambda));
+
+ CT const S = sinG2 * cosL2 + cosF2 * sinL2;
+ CT const C = cosG2 * cosL2 + sinF2 * sinL2;
+
+ CT const c0 = 0;
+ CT const c1 = 1;
+ CT const c2 = 2;
+ CT const c3 = 3;
+
+ if (geometry::math::equals(S, c0) || geometry::math::equals(C, c0))
+ {
+ return c0;
+ }
+
+ CT const radius_a = CT(get_radius<0>(m_spheroid));
+ CT const flattening = geometry::detail::flattening<CT>(m_spheroid);
+
+ CT const omega = atan(math::sqrt(S / C));
+ CT const r3 = c3 * math::sqrt(S * C) / omega; // not sure if this is r or greek nu
+ CT const D = c2 * omega * radius_a;
+ CT const H1 = (r3 - c1) / (c2 * C);
+ CT const H2 = (r3 + c1) / (c2 * S);
+
+ return D * (c1 + flattening * (H1 * sinF2 * cosG2 - H2 * cosF2 * sinG2) );
+ }
+
+ Spheroid m_spheroid;
+};
+
+
+#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
+namespace services
+{
+
+template <typename Spheroid, typename CalculationType>
+struct tag<andoyer<Spheroid, CalculationType> >
+{
+ typedef strategy_tag_distance_point_point type;
+};
+
+
+template <typename Spheroid, typename CalculationType, typename P1, typename P2>
+struct return_type<andoyer<Spheroid, CalculationType>, P1, P2>
+ : andoyer<Spheroid, CalculationType>::template calculation_type<P1, P2>
+{};
+
+
+template <typename Spheroid, typename CalculationType>
+struct comparable_type<andoyer<Spheroid, CalculationType> >
+{
+ typedef andoyer<Spheroid, CalculationType> type;
+};
+
+
+template <typename Spheroid, typename CalculationType>
+struct get_comparable<andoyer<Spheroid, CalculationType> >
+{
+ static inline andoyer<Spheroid, CalculationType> apply(andoyer<Spheroid, CalculationType> const& input)
+ {
+ return input;
+ }
+};
+
+template <typename Spheroid, typename CalculationType, typename P1, typename P2>
+struct result_from_distance<andoyer<Spheroid, CalculationType>, P1, P2>
+{
+ template <typename T>
+ static inline typename return_type<andoyer<Spheroid, CalculationType>, P1, P2>::type
+ apply(andoyer<Spheroid, CalculationType> const& , T const& value)
+ {
+ return value;
+ }
+};
+
+
+template <typename Point1, typename Point2>
+struct default_strategy<point_tag, point_tag, Point1, Point2, geographic_tag, geographic_tag>
+{
+ typedef strategy::distance::andoyer
+ <
+ srs::spheroid
+ <
+ typename select_coordinate_type<Point1, Point2>::type
+ >
+ > type;
+};
+
+
+} // namespace services
+#endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
+
+
+}} // namespace strategy::distance
+
+
+}} // namespace boost::geometry
+
+
+#endif // BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_ANDOYER_HPP
diff --git a/boost/geometry/strategies/geographic/distance_vincenty.hpp b/boost/geometry/strategies/geographic/distance_vincenty.hpp
new file mode 100644
index 0000000000..56dd14bbdc
--- /dev/null
+++ b/boost/geometry/strategies/geographic/distance_vincenty.hpp
@@ -0,0 +1,161 @@
+// Boost.Geometry
+
+// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
+
+// 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
+
+// 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)
+
+#ifndef BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_VINCENTY_HPP
+#define BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_VINCENTY_HPP
+
+
+#include <boost/geometry/core/coordinate_type.hpp>
+#include <boost/geometry/core/radian_access.hpp>
+
+#include <boost/geometry/strategies/distance.hpp>
+
+#include <boost/geometry/util/promote_floating_point.hpp>
+#include <boost/geometry/util/select_calculation_type.hpp>
+
+#include <boost/geometry/algorithms/detail/vincenty_inverse.hpp>
+
+namespace boost { namespace geometry
+{
+
+namespace strategy { namespace distance
+{
+
+/*!
+\brief Distance calculation formulae on latlong coordinates, after Vincenty, 1975
+\ingroup distance
+\tparam Spheroid The reference spheroid model
+\tparam CalculationType \tparam_calculation
+\author See
+ - http://www.ngs.noaa.gov/PUBS_LIB/inverse.pdf
+ - http://www.icsm.gov.au/gda/gdav2.3.pdf
+\author Adapted from various implementations to get it close to the original document
+ - http://www.movable-type.co.uk/scripts/LatLongVincenty.html
+ - http://exogen.case.edu/projects/geopy/source/geopy.distance.html
+ - http://futureboy.homeip.net/fsp/colorize.fsp?fileName=navigation.frink
+
+*/
+template
+<
+ typename Spheroid,
+ typename CalculationType = void
+>
+class vincenty
+{
+public :
+ template <typename Point1, typename Point2>
+ struct calculation_type
+ : promote_floating_point
+ <
+ typename select_calculation_type
+ <
+ Point1,
+ Point2,
+ CalculationType
+ >::type
+ >
+ {};
+
+ typedef Spheroid model_type;
+
+ inline vincenty()
+ : m_spheroid()
+ {}
+
+ explicit inline vincenty(Spheroid const& spheroid)
+ : m_spheroid(spheroid)
+ {}
+
+ template <typename Point1, typename Point2>
+ inline typename calculation_type<Point1, Point2>::type
+ apply(Point1 const& point1, Point2 const& point2) const
+ {
+ return geometry::detail::vincenty_inverse
+ <
+ typename calculation_type<Point1, Point2>::type
+ >(get_as_radian<0>(point1),
+ get_as_radian<1>(point1),
+ get_as_radian<0>(point2),
+ get_as_radian<1>(point2),
+ m_spheroid).distance();
+ }
+
+ inline Spheroid const& model() const
+ {
+ return m_spheroid;
+ }
+
+private :
+ Spheroid m_spheroid;
+};
+
+#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
+namespace services
+{
+
+template <typename Spheroid, typename CalculationType>
+struct tag<vincenty<Spheroid, CalculationType> >
+{
+ typedef strategy_tag_distance_point_point type;
+};
+
+
+template <typename Spheroid, typename CalculationType, typename P1, typename P2>
+struct return_type<vincenty<Spheroid, CalculationType>, P1, P2>
+ : vincenty<Spheroid, CalculationType>::template calculation_type<P1, P2>
+{};
+
+
+template <typename Spheroid, typename CalculationType>
+struct comparable_type<vincenty<Spheroid, CalculationType> >
+{
+ typedef vincenty<Spheroid, CalculationType> type;
+};
+
+
+template <typename Spheroid, typename CalculationType>
+struct get_comparable<vincenty<Spheroid, CalculationType> >
+{
+ static inline vincenty<Spheroid, CalculationType> apply(vincenty<Spheroid, CalculationType> const& input)
+ {
+ return input;
+ }
+};
+
+template <typename Spheroid, typename CalculationType, typename P1, typename P2>
+struct result_from_distance<vincenty<Spheroid, CalculationType>, P1, P2 >
+{
+ template <typename T>
+ static inline typename return_type<vincenty<Spheroid, CalculationType>, P1, P2>::type
+ apply(vincenty<Spheroid, CalculationType> const& , T const& value)
+ {
+ return value;
+ }
+};
+
+
+} // namespace services
+#endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
+
+
+// We might add a vincenty-like strategy also for point-segment distance, but to calculate the projected point is not trivial
+
+
+
+}} // namespace strategy::distance
+
+
+}} // namespace boost::geometry
+
+
+#endif // BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_VINCENTY_HPP
diff --git a/boost/geometry/strategies/geographic/mapping_ssf.hpp b/boost/geometry/strategies/geographic/mapping_ssf.hpp
new file mode 100644
index 0000000000..3beedc7809
--- /dev/null
+++ b/boost/geometry/strategies/geographic/mapping_ssf.hpp
@@ -0,0 +1,185 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2011-2012 Barend Gehrels, Amsterdam, the Netherlands.
+
+// 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
+
+// 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)
+
+#ifndef BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_MAPPING_SSF_HPP
+#define BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_MAPPING_SSF_HPP
+
+
+#include <boost/core/ignore_unused.hpp>
+
+#include <boost/geometry/core/radius.hpp>
+
+#include <boost/geometry/util/math.hpp>
+#include <boost/geometry/util/promote_floating_point.hpp>
+#include <boost/geometry/util/select_calculation_type.hpp>
+
+#include <boost/geometry/strategies/side.hpp>
+#include <boost/geometry/strategies/spherical/ssf.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+namespace strategy { namespace side
+{
+
+
+// An enumeration type defining types of mapping of geographical
+// latitude to spherical latitude.
+// See: http://en.wikipedia.org/wiki/Great_ellipse
+// http://en.wikipedia.org/wiki/Latitude#Auxiliary_latitudes
+enum mapping_type { mapping_geodetic, mapping_reduced, mapping_geocentric };
+
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail
+{
+
+template <typename Spheroid, mapping_type Mapping>
+struct mapper
+{
+ explicit inline mapper(Spheroid const& /*spheroid*/) {}
+
+ template <typename CalculationType>
+ static inline CalculationType const& apply(CalculationType const& lat)
+ {
+ return lat;
+ }
+};
+
+template <typename Spheroid>
+struct mapper<Spheroid, mapping_reduced>
+{
+ typedef typename promote_floating_point
+ <
+ typename radius_type<Spheroid>::type
+ >::type fraction_type;
+
+ explicit inline mapper(Spheroid const& spheroid)
+ {
+ fraction_type const a = geometry::get_radius<0>(spheroid);
+ fraction_type const b = geometry::get_radius<2>(spheroid);
+ b_div_a = b / a;
+ }
+
+ template <typename CalculationType>
+ inline CalculationType apply(CalculationType const& lat) const
+ {
+ return atan(static_cast<CalculationType>(b_div_a) * tan(lat));
+ }
+
+ fraction_type b_div_a;
+};
+
+template <typename Spheroid>
+struct mapper<Spheroid, mapping_geocentric>
+{
+ typedef typename promote_floating_point
+ <
+ typename radius_type<Spheroid>::type
+ >::type fraction_type;
+
+ explicit inline mapper(Spheroid const& spheroid)
+ {
+ fraction_type const a = geometry::get_radius<0>(spheroid);
+ fraction_type const b = geometry::get_radius<2>(spheroid);
+ sqr_b_div_a = b / a;
+ sqr_b_div_a *= sqr_b_div_a;
+ }
+
+ template <typename CalculationType>
+ inline CalculationType apply(CalculationType const& lat) const
+ {
+ return atan(static_cast<CalculationType>(sqr_b_div_a) * tan(lat));
+ }
+
+ fraction_type sqr_b_div_a;
+};
+
+}
+#endif // DOXYGEN_NO_DETAIL
+
+
+/*!
+\brief Check at which side of a geographical segment a point lies
+ left of segment (> 0), right of segment (< 0), on segment (0).
+ The check is performed by mapping the geographical coordinates
+ to spherical coordinates and using spherical_side_formula.
+\ingroup strategies
+\tparam Spheroid The reference spheroid model
+\tparam Mapping The type of mapping of geographical to spherical latitude
+\tparam CalculationType \tparam_calculation
+ */
+template <typename Spheroid,
+ mapping_type Mapping = mapping_geodetic,
+ typename CalculationType = void>
+class mapping_spherical_side_formula
+{
+
+public :
+ inline mapping_spherical_side_formula()
+ : m_mapper(Spheroid())
+ {}
+
+ explicit inline mapping_spherical_side_formula(Spheroid const& spheroid)
+ : m_mapper(spheroid)
+ {}
+
+ template <typename P1, typename P2, typename P>
+ inline int apply(P1 const& p1, P2 const& p2, P const& p)
+ {
+ typedef typename promote_floating_point
+ <
+ typename select_calculation_type_alt
+ <
+ CalculationType,
+ P1, P2, P
+ >::type
+ >::type calculation_type;
+
+ calculation_type lon1 = get_as_radian<0>(p1);
+ calculation_type lat1 = m_mapper.template apply<calculation_type>(get_as_radian<1>(p1));
+ calculation_type lon2 = get_as_radian<0>(p2);
+ calculation_type lat2 = m_mapper.template apply<calculation_type>(get_as_radian<1>(p2));
+ calculation_type lon = get_as_radian<0>(p);
+ calculation_type lat = m_mapper.template apply<calculation_type>(get_as_radian<1>(p));
+
+ return detail::spherical_side_formula(lon1, lat1, lon2, lat2, lon, lat);
+ }
+
+private:
+ side::detail::mapper<Spheroid, Mapping> const m_mapper;
+};
+
+// The specialization for geodetic latitude which can be used directly
+template <typename Spheroid,
+ typename CalculationType>
+class mapping_spherical_side_formula<Spheroid, mapping_geodetic, CalculationType>
+{
+
+public :
+ inline mapping_spherical_side_formula() {}
+ explicit inline mapping_spherical_side_formula(Spheroid const& /*spheroid*/) {}
+
+ template <typename P1, typename P2, typename P>
+ static inline int apply(P1 const& p1, P2 const& p2, P const& p)
+ {
+ return spherical_side_formula<CalculationType>::apply(p1, p2, p);
+ }
+};
+
+}} // namespace strategy::side
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_MAPPING_SSF_HPP