You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
206 lines
6.2 KiB
206 lines
6.2 KiB
// Boost.Geometry (aka GGL, Generic Geometry Library) |
|
|
|
// Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands. |
|
// Copyright (c) 2008-2011 Bruno Lalande, Paris, France. |
|
// Copyright (c) 2009-2011 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/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 Tag1, |
|
typename Tag2, |
|
typename Geometry1, |
|
typename Geometry2, |
|
typename Strategy |
|
> |
|
struct covered_by |
|
{ |
|
BOOST_MPL_ASSERT_MSG |
|
( |
|
false, NOT_OR_NOT_YET_IMPLEMENTED_FOR_THIS_GEOMETRY_TYPE |
|
, (types<Geometry1, Geometry2>) |
|
); |
|
}; |
|
|
|
|
|
template <typename Point, typename Box, typename Strategy> |
|
struct covered_by<point_tag, box_tag, Point, Box, Strategy> |
|
{ |
|
static inline bool apply(Point const& point, Box const& box, Strategy const& strategy) |
|
{ |
|
return strategy.apply(point, box); |
|
} |
|
}; |
|
|
|
template <typename Box1, typename Box2, typename Strategy> |
|
struct covered_by<box_tag, box_tag, Box1, Box2, Strategy> |
|
{ |
|
static inline bool apply(Box1 const& box1, Box2 const& box2, Strategy const& strategy) |
|
{ |
|
assert_dimension_equal<Box1, Box2>(); |
|
return strategy.apply(box1, box2); |
|
} |
|
}; |
|
|
|
|
|
|
|
template <typename Point, typename Ring, typename Strategy> |
|
struct covered_by<point_tag, ring_tag, Point, Ring, 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) >= 0; |
|
} |
|
}; |
|
|
|
template <typename Point, typename Polygon, typename Strategy> |
|
struct covered_by<point_tag, polygon_tag, Point, Polygon, 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 |
|
\param geometry2 \param_geometry |
|
\param geometry1 geometry which might be covered_by the second geometry |
|
\param geometry2 geometry which might contain the first geometry |
|
\return true if geometry1 is completely contained covered_by geometry2, |
|
else false |
|
\note The default strategy is used for covered_by detection |
|
|
|
*/ |
|
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 |
|
< |
|
typename tag<Geometry1>::type, |
|
typename tag<Geometry2>::type, |
|
Geometry1, |
|
Geometry2, |
|
strategy_type |
|
>::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 |
|
\param geometry2 \param_geometry |
|
\param geometry1 \param_geometry geometry which might be covered_by the second geometry |
|
\param geometry2 \param_geometry which might contain the first geometry |
|
\param strategy strategy to be used |
|
\return true if geometry1 is completely contained covered_by geometry2, |
|
else false |
|
|
|
\qbk{distinguish,with strategy} |
|
|
|
*/ |
|
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 |
|
< |
|
typename tag<Geometry1>::type, |
|
typename tag<Geometry2>::type, |
|
Geometry1, |
|
Geometry2, |
|
Strategy |
|
>::apply(geometry1, geometry2, strategy); |
|
} |
|
|
|
}} // namespace boost::geometry |
|
|
|
#endif // BOOST_GEOMETRY_ALGORITHMS_COVERED_BY_HPP
|
|
|