diff DEPENDENCIES/generic/include/boost/geometry/algorithms/covered_by.hpp @ 16:2665513ce2d3

Add boost headers
author Chris Cannam
date Tue, 05 Aug 2014 11:11:38 +0100
parents
children c530137014c0
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DEPENDENCIES/generic/include/boost/geometry/algorithms/covered_by.hpp	Tue Aug 05 11:11:38 2014 +0100
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+// 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.
+
+// 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_ALGORITHMS_COVERED_BY_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_COVERED_BY_HPP
+
+
+#include <cstddef>
+
+#include <boost/geometry/algorithms/not_implemented.hpp>
+#include <boost/geometry/algorithms/within.hpp>
+
+#include <boost/geometry/strategies/cartesian/point_in_box.hpp>
+#include <boost/geometry/strategies/cartesian/box_in_box.hpp>
+
+namespace boost { namespace geometry
+{
+
+#ifndef DOXYGEN_NO_DISPATCH
+namespace dispatch
+{
+
+template
+<
+    typename Geometry1,
+    typename Geometry2,
+    typename Tag1 = typename tag<Geometry1>::type,
+    typename Tag2 = typename tag<Geometry2>::type
+>
+struct covered_by: not_implemented<Tag1, Tag2>
+{};
+
+
+template <typename Point, typename Box>
+struct covered_by<Point, Box, point_tag, box_tag>
+{
+    template <typename Strategy>
+    static inline bool apply(Point const& point, Box const& box, Strategy const& strategy)
+    {
+        ::boost::ignore_unused_variable_warning(strategy);
+        return strategy.apply(point, box);
+    }
+};
+
+template <typename Box1, typename Box2>
+struct covered_by<Box1, Box2, box_tag, box_tag>
+{
+    template <typename Strategy>
+    static inline bool apply(Box1 const& box1, Box2 const& box2, Strategy const& strategy)
+    {
+        assert_dimension_equal<Box1, Box2>();
+        ::boost::ignore_unused_variable_warning(strategy);
+        return strategy.apply(box1, box2);
+    }
+};
+
+
+
+template <typename Point, typename Ring>
+struct covered_by<Point, Ring, point_tag, ring_tag>
+{
+    template <typename Strategy>
+    static inline bool apply(Point const& point, Ring const& ring, Strategy const& strategy)
+    {
+        return detail::within::point_in_ring
+            <
+                Point,
+                Ring,
+                order_as_direction<geometry::point_order<Ring>::value>::value,
+                geometry::closure<Ring>::value,
+                Strategy
+            >::apply(point, ring, strategy) >= 0;
+    }
+};
+
+template <typename Point, typename Polygon>
+struct covered_by<Point, Polygon, point_tag, polygon_tag>
+{
+    template <typename Strategy>
+    static inline bool apply(Point const& point, Polygon const& polygon, Strategy const& strategy)
+    {
+        return detail::within::point_in_polygon
+        <
+            Point,
+            Polygon,
+            order_as_direction<geometry::point_order<Polygon>::value>::value,
+            geometry::closure<Polygon>::value,
+            Strategy
+        >::apply(point, polygon, strategy) >= 0;
+    }
+};
+
+} // namespace dispatch
+#endif // DOXYGEN_NO_DISPATCH
+
+
+/*!
+\brief \brief_check12{is inside or on border}
+\ingroup covered_by
+\details \details_check12{covered_by, is inside or on border}.
+\tparam Geometry1 \tparam_geometry
+\tparam Geometry2 \tparam_geometry
+\param geometry1 \param_geometry which might be inside or on the border of the second geometry
+\param geometry2 \param_geometry which might cover the first geometry
+\return true if geometry1 is inside of or on the border of geometry2,
+    else false
+\note The default strategy is used for covered_by detection
+
+\qbk{[include reference/algorithms/covered_by.qbk]}
+
+ */
+template<typename Geometry1, typename Geometry2>
+inline bool covered_by(Geometry1 const& geometry1, Geometry2 const& geometry2)
+{
+    concept::check<Geometry1 const>();
+    concept::check<Geometry2 const>();
+    assert_dimension_equal<Geometry1, Geometry2>();
+
+    typedef typename point_type<Geometry1>::type point_type1;
+    typedef typename point_type<Geometry2>::type point_type2;
+
+    typedef typename strategy::covered_by::services::default_strategy
+        <
+            typename tag<Geometry1>::type,
+            typename tag<Geometry2>::type,
+            typename tag<Geometry1>::type,
+            typename tag_cast<typename tag<Geometry2>::type, areal_tag>::type,
+            typename tag_cast
+                <
+                    typename cs_tag<point_type1>::type, spherical_tag
+                >::type,
+            typename tag_cast
+                <
+                    typename cs_tag<point_type2>::type, spherical_tag
+                >::type,
+            Geometry1,
+            Geometry2
+        >::type strategy_type;
+
+    return dispatch::covered_by
+        <
+            Geometry1,
+            Geometry2
+        >::apply(geometry1, geometry2, strategy_type());
+}
+
+/*!
+\brief \brief_check12{is inside or on border} \brief_strategy
+\ingroup covered_by
+\details \details_check12{covered_by, is inside or on border}, \brief_strategy. \details_strategy_reasons
+\tparam Geometry1 \tparam_geometry
+\tparam Geometry2 \tparam_geometry
+\param geometry1 \param_geometry which might be inside or on the border of the second geometry
+\param geometry2 \param_geometry which might cover the first geometry
+\param strategy strategy to be used
+\return true if geometry1 is inside of or on the border of geometry2,
+    else false
+
+\qbk{distinguish,with strategy}
+\qbk{[include reference/algorithms/covered_by.qbk]}
+
+*/
+template<typename Geometry1, typename Geometry2, typename Strategy>
+inline bool covered_by(Geometry1 const& geometry1, Geometry2 const& geometry2,
+        Strategy const& strategy)
+{
+    concept::within::check
+        <
+            typename tag<Geometry1>::type, 
+            typename tag<Geometry2>::type, 
+            typename tag_cast<typename tag<Geometry2>::type, areal_tag>::type,
+            Strategy
+        >();
+    concept::check<Geometry1 const>();
+    concept::check<Geometry2 const>();
+    assert_dimension_equal<Geometry1, Geometry2>();
+
+    return dispatch::covered_by
+        <
+            Geometry1,
+            Geometry2
+        >::apply(geometry1, geometry2, strategy);
+}
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_COVERED_BY_HPP