summaryrefslogtreecommitdiff
path: root/boost/geometry/srs/sphere.hpp
diff options
context:
space:
mode:
authorDongHun Kwak <dh0128.kwak@samsung.com>2019-12-05 15:12:59 +0900
committerDongHun Kwak <dh0128.kwak@samsung.com>2019-12-05 15:12:59 +0900
commitb8cf34c691623e4ec329053cbbf68522a855882d (patch)
tree34da08632a99677f6b79ecb65e5b655a5b69a67f /boost/geometry/srs/sphere.hpp
parent3fdc3e5ee96dca5b11d1694975a65200787eab86 (diff)
downloadboost-b8cf34c691623e4ec329053cbbf68522a855882d.tar.gz
boost-b8cf34c691623e4ec329053cbbf68522a855882d.tar.bz2
boost-b8cf34c691623e4ec329053cbbf68522a855882d.zip
Imported Upstream version 1.67.0upstream/1.67.0
Diffstat (limited to 'boost/geometry/srs/sphere.hpp')
-rw-r--r--boost/geometry/srs/sphere.hpp117
1 files changed, 117 insertions, 0 deletions
diff --git a/boost/geometry/srs/sphere.hpp b/boost/geometry/srs/sphere.hpp
new file mode 100644
index 0000000000..9be5abf7ac
--- /dev/null
+++ b/boost/geometry/srs/sphere.hpp
@@ -0,0 +1,117 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// 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, 2016, 2018.
+// Modifications copyright (c) 2014-2018 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)
+
+#ifndef BOOST_GEOMETRY_SRS_SPHERE_HPP
+#define BOOST_GEOMETRY_SRS_SPHERE_HPP
+
+
+#include <cstddef>
+
+#include <boost/static_assert.hpp>
+
+#include <boost/geometry/core/radius.hpp>
+#include <boost/geometry/core/tag.hpp>
+#include <boost/geometry/core/tags.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+namespace srs
+{
+
+/*!
+ \brief Defines sphere radius value for use in spherical CS calculations
+ \ingroup srs
+ \tparam RadiusType tparam_radius
+*/
+template <typename RadiusType>
+class sphere
+{
+public:
+ explicit sphere(RadiusType const& r)
+ : m_r(r)
+ {}
+
+ sphere()
+ : m_r(RadiusType((2.0 * 6378137.0 + 6356752.3142451793) / 3.0))
+ {}
+
+ template <std::size_t I>
+ RadiusType get_radius() const
+ {
+ BOOST_STATIC_ASSERT(I < 3);
+
+ return m_r;
+ }
+
+ template <std::size_t I>
+ void set_radius(RadiusType const& radius)
+ {
+ BOOST_STATIC_ASSERT(I < 3);
+
+ m_r = radius;
+ }
+
+private:
+ RadiusType m_r; // radius
+};
+
+} // namespace srs
+
+// Traits specializations for sphere
+#ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
+namespace traits
+{
+
+template <typename RadiusType>
+struct tag< srs::sphere<RadiusType> >
+{
+ typedef srs_sphere_tag type;
+};
+
+template <typename RadiusType>
+struct radius_type< srs::sphere<RadiusType> >
+{
+ typedef RadiusType type;
+};
+
+template <typename RadiusType, std::size_t Dimension>
+struct radius_access<srs::sphere<RadiusType>, Dimension>
+{
+ typedef srs::sphere<RadiusType> sphere_type;
+
+ static inline RadiusType get(sphere_type const& s)
+ {
+ return s.template get_radius<Dimension>();
+ }
+
+ static inline void set(sphere_type& s, RadiusType const& value)
+ {
+ s.template set_radius<Dimension>(value);
+ }
+};
+
+} // namespace traits
+#endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
+
+
+}} // namespace boost::geometry
+
+
+#endif // BOOST_GEOMETRY_SRS_SPHERE_HPP