619 lines
18 KiB
C++
619 lines
18 KiB
C++
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// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
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// This file was modified by Oracle on 2014-2022.
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// Modifications copyright (c) 2014-2022, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_INTERSECTION_MULTI_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_INTERSECTION_MULTI_HPP
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#include <type_traits>
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#include <boost/geometry/core/closure.hpp>
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#include <boost/geometry/core/geometry_id.hpp>
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#include <boost/geometry/core/point_order.hpp>
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#include <boost/geometry/core/tags.hpp>
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#include <boost/geometry/geometries/concepts/check.hpp>
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#include <boost/geometry/algorithms/detail/covered_by/implementation.hpp>
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// TODO: those headers probably may be removed
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#include <boost/geometry/algorithms/detail/overlay/get_ring.hpp>
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#include <boost/geometry/algorithms/detail/overlay/get_turns.hpp>
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#include <boost/geometry/algorithms/detail/overlay/copy_segments.hpp>
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#include <boost/geometry/algorithms/detail/overlay/copy_segment_point.hpp>
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#include <boost/geometry/algorithms/detail/overlay/select_rings.hpp>
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#include <boost/geometry/algorithms/detail/sections/range_by_section.hpp>
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#include <boost/geometry/algorithms/detail/sections/sectionalize.hpp>
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#include <boost/geometry/algorithms/detail/intersection/interface.hpp>
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#include <boost/geometry/algorithms/envelope.hpp>
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#include <boost/geometry/algorithms/num_points.hpp>
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail { namespace intersection
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{
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template <typename PointOut>
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struct intersection_multi_linestring_multi_linestring_point
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{
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template
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<
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typename MultiLinestring1, typename MultiLinestring2,
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typename RobustPolicy,
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typename OutputIterator, typename Strategy
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>
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static inline OutputIterator apply(MultiLinestring1 const& ml1,
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MultiLinestring2 const& ml2,
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RobustPolicy const& robust_policy,
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OutputIterator out,
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Strategy const& strategy)
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{
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// Note, this loop is quadratic w.r.t. number of linestrings per input.
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// Future Enhancement: first do the sections of each, then intersect.
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for (typename boost::range_iterator
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<
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MultiLinestring1 const
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>::type it1 = boost::begin(ml1);
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it1 != boost::end(ml1);
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++it1)
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{
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for (typename boost::range_iterator
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<
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MultiLinestring2 const
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>::type it2 = boost::begin(ml2);
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it2 != boost::end(ml2);
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++it2)
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{
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out = intersection_linestring_linestring_point<PointOut>
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::apply(*it1, *it2, robust_policy, out, strategy);
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}
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}
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return out;
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}
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};
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template <typename PointOut>
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struct intersection_linestring_multi_linestring_point
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{
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template
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<
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typename Linestring, typename MultiLinestring,
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typename RobustPolicy,
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typename OutputIterator, typename Strategy
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>
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static inline OutputIterator apply(Linestring const& linestring,
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MultiLinestring const& ml,
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RobustPolicy const& robust_policy,
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OutputIterator out,
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Strategy const& strategy)
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{
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for (typename boost::range_iterator
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<
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MultiLinestring const
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>::type it = boost::begin(ml);
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it != boost::end(ml);
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++it)
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{
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out = intersection_linestring_linestring_point<PointOut>
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::apply(linestring, *it, robust_policy, out, strategy);
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}
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return out;
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}
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};
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// This loop is quite similar to the loop above, but beacuse the iterator
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// is second (above) or first (below) argument, it is not trivial to merge them.
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template
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<
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bool ReverseAreal,
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typename LineStringOut,
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overlay_type OverlayType,
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bool FollowIsolatedPoints
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>
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struct intersection_of_multi_linestring_with_areal
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{
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template
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<
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typename MultiLinestring, typename Areal,
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typename RobustPolicy,
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typename OutputIterator, typename Strategy
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>
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static inline OutputIterator apply(MultiLinestring const& ml, Areal const& areal,
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RobustPolicy const& robust_policy,
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OutputIterator out,
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Strategy const& strategy)
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{
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for (typename boost::range_iterator
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<
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MultiLinestring const
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>::type it = boost::begin(ml);
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it != boost::end(ml);
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++it)
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{
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out = intersection_of_linestring_with_areal
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<
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ReverseAreal, LineStringOut, OverlayType, FollowIsolatedPoints
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>::apply(*it, areal, robust_policy, out, strategy);
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}
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return out;
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}
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};
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// This one calls the one above with reversed arguments
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template
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<
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bool ReverseAreal,
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typename LineStringOut,
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overlay_type OverlayType,
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bool FollowIsolatedPoints
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>
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struct intersection_of_areal_with_multi_linestring
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{
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template
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<
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typename Areal, typename MultiLinestring,
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typename RobustPolicy,
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typename OutputIterator, typename Strategy
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>
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static inline OutputIterator apply(Areal const& areal, MultiLinestring const& ml,
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RobustPolicy const& robust_policy,
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OutputIterator out,
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Strategy const& strategy)
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{
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return intersection_of_multi_linestring_with_areal
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<
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ReverseAreal, LineStringOut, OverlayType, FollowIsolatedPoints
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>::apply(ml, areal, robust_policy, out, strategy);
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}
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};
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template <typename LinestringOut>
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struct clip_multi_linestring
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{
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template
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<
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typename MultiLinestring, typename Box,
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typename RobustPolicy,
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typename OutputIterator, typename Strategy
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>
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static inline OutputIterator apply(MultiLinestring const& multi_linestring,
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Box const& box,
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RobustPolicy const& robust_policy,
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OutputIterator out, Strategy const& )
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{
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typedef typename point_type<LinestringOut>::type point_type;
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strategy::intersection::liang_barsky<Box, point_type> lb_strategy;
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for (typename boost::range_iterator<MultiLinestring const>::type it
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= boost::begin(multi_linestring);
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it != boost::end(multi_linestring); ++it)
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{
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out = detail::intersection::clip_range_with_box
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<LinestringOut>(box, *it, robust_policy, out, lb_strategy);
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}
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return out;
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}
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};
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}} // namespace detail::intersection
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#endif // DOXYGEN_NO_DETAIL
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#ifndef DOXYGEN_NO_DISPATCH
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namespace dispatch
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{
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// Linear
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template
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<
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typename MultiLinestring1, typename MultiLinestring2,
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typename GeometryOut,
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overlay_type OverlayType,
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bool Reverse1, bool Reverse2
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>
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struct intersection_insert
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<
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MultiLinestring1, MultiLinestring2,
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GeometryOut,
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OverlayType,
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Reverse1, Reverse2,
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multi_linestring_tag, multi_linestring_tag, point_tag,
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linear_tag, linear_tag, pointlike_tag
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> : detail::intersection::intersection_multi_linestring_multi_linestring_point
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<
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GeometryOut
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>
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{};
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template
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<
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typename Linestring, typename MultiLinestring,
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typename GeometryOut,
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overlay_type OverlayType,
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bool Reverse1, bool Reverse2
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>
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struct intersection_insert
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<
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Linestring, MultiLinestring,
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GeometryOut,
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OverlayType,
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Reverse1, Reverse2,
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linestring_tag, multi_linestring_tag, point_tag,
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linear_tag, linear_tag, pointlike_tag
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> : detail::intersection::intersection_linestring_multi_linestring_point
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<
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GeometryOut
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>
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{};
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template
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<
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typename MultiLinestring, typename Box,
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typename GeometryOut,
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overlay_type OverlayType,
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bool Reverse1, bool Reverse2
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>
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struct intersection_insert
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<
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MultiLinestring, Box,
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GeometryOut,
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OverlayType,
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Reverse1, Reverse2,
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multi_linestring_tag, box_tag, linestring_tag,
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linear_tag, areal_tag, linear_tag
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> : detail::intersection::clip_multi_linestring
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<
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GeometryOut
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>
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{};
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template
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<
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typename Linestring, typename MultiPolygon,
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typename GeometryOut,
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overlay_type OverlayType,
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bool ReverseLinestring, bool ReverseMultiPolygon
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>
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struct intersection_insert
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<
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Linestring, MultiPolygon,
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GeometryOut,
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OverlayType,
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ReverseLinestring, ReverseMultiPolygon,
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linestring_tag, multi_polygon_tag, linestring_tag,
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linear_tag, areal_tag, linear_tag
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> : detail::intersection::intersection_of_linestring_with_areal
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<
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ReverseMultiPolygon,
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GeometryOut,
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OverlayType,
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false
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>
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{};
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// Derives from areal/mls because runtime arguments are in that order.
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// areal/mls reverses it itself to mls/areal
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template
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<
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typename Polygon, typename MultiLinestring,
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typename GeometryOut,
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overlay_type OverlayType,
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bool ReversePolygon, bool ReverseMultiLinestring
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>
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struct intersection_insert
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<
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Polygon, MultiLinestring,
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GeometryOut,
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OverlayType,
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ReversePolygon, ReverseMultiLinestring,
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polygon_tag, multi_linestring_tag, linestring_tag,
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areal_tag, linear_tag, linear_tag
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> : detail::intersection::intersection_of_areal_with_multi_linestring
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<
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ReversePolygon,
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GeometryOut,
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OverlayType,
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false
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>
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{};
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template
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<
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typename MultiLinestring, typename Ring,
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typename GeometryOut,
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overlay_type OverlayType,
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bool ReverseMultiLinestring, bool ReverseRing
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>
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struct intersection_insert
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<
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MultiLinestring, Ring,
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GeometryOut,
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OverlayType,
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ReverseMultiLinestring, ReverseRing,
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multi_linestring_tag, ring_tag, linestring_tag,
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linear_tag, areal_tag, linear_tag
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> : detail::intersection::intersection_of_multi_linestring_with_areal
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<
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ReverseRing,
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GeometryOut,
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OverlayType,
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false
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>
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{};
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template
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<
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typename MultiLinestring, typename Polygon,
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typename GeometryOut,
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overlay_type OverlayType,
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bool ReverseMultiLinestring, bool ReversePolygon
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>
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struct intersection_insert
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<
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MultiLinestring, Polygon,
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GeometryOut,
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OverlayType,
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ReverseMultiLinestring, ReversePolygon,
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multi_linestring_tag, polygon_tag, linestring_tag,
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linear_tag, areal_tag, linear_tag
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> : detail::intersection::intersection_of_multi_linestring_with_areal
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<
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ReversePolygon,
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GeometryOut,
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OverlayType,
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false
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>
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{};
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||
|
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|
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||
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template
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||
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<
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typename MultiLinestring, typename MultiPolygon,
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typename GeometryOut,
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||
|
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overlay_type OverlayType,
|
||
|
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bool ReverseMultiLinestring, bool ReverseMultiPolygon
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||
|
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>
|
||
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struct intersection_insert
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||
|
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<
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||
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MultiLinestring, MultiPolygon,
|
||
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GeometryOut,
|
||
|
|
OverlayType,
|
||
|
|
ReverseMultiLinestring, ReverseMultiPolygon,
|
||
|
|
multi_linestring_tag, multi_polygon_tag, linestring_tag,
|
||
|
|
linear_tag, areal_tag, linear_tag
|
||
|
|
> : detail::intersection::intersection_of_multi_linestring_with_areal
|
||
|
|
<
|
||
|
|
ReverseMultiPolygon,
|
||
|
|
GeometryOut,
|
||
|
|
OverlayType,
|
||
|
|
false
|
||
|
|
>
|
||
|
|
{};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
template
|
||
|
|
<
|
||
|
|
typename MultiLinestring, typename Ring,
|
||
|
|
typename TupledOut,
|
||
|
|
overlay_type OverlayType,
|
||
|
|
bool ReverseMultiLinestring, bool ReverseRing
|
||
|
|
>
|
||
|
|
struct intersection_insert
|
||
|
|
<
|
||
|
|
MultiLinestring, Ring,
|
||
|
|
TupledOut,
|
||
|
|
OverlayType,
|
||
|
|
ReverseMultiLinestring, ReverseRing,
|
||
|
|
multi_linestring_tag, ring_tag, detail::tupled_output_tag,
|
||
|
|
linear_tag, areal_tag, detail::tupled_output_tag
|
||
|
|
> : detail::intersection::intersection_of_multi_linestring_with_areal
|
||
|
|
<
|
||
|
|
ReverseRing,
|
||
|
|
TupledOut,
|
||
|
|
OverlayType,
|
||
|
|
true
|
||
|
|
>
|
||
|
|
, detail::expect_output
|
||
|
|
<
|
||
|
|
MultiLinestring, Ring, TupledOut,
|
||
|
|
// NOTE: points can be the result only in case of intersection.
|
||
|
|
// TODO: union should require L and A
|
||
|
|
std::conditional_t
|
||
|
|
<
|
||
|
|
(OverlayType == overlay_intersection),
|
||
|
|
point_tag,
|
||
|
|
void
|
||
|
|
>,
|
||
|
|
linestring_tag
|
||
|
|
>
|
||
|
|
{};
|
||
|
|
|
||
|
|
|
||
|
|
template
|
||
|
|
<
|
||
|
|
typename MultiLinestring, typename Polygon,
|
||
|
|
typename TupledOut,
|
||
|
|
overlay_type OverlayType,
|
||
|
|
bool ReverseMultiLinestring, bool ReversePolygon
|
||
|
|
>
|
||
|
|
struct intersection_insert
|
||
|
|
<
|
||
|
|
MultiLinestring, Polygon,
|
||
|
|
TupledOut,
|
||
|
|
OverlayType,
|
||
|
|
ReverseMultiLinestring, ReversePolygon,
|
||
|
|
multi_linestring_tag, polygon_tag, detail::tupled_output_tag,
|
||
|
|
linear_tag, areal_tag, detail::tupled_output_tag
|
||
|
|
> : detail::intersection::intersection_of_multi_linestring_with_areal
|
||
|
|
<
|
||
|
|
ReversePolygon,
|
||
|
|
TupledOut,
|
||
|
|
OverlayType,
|
||
|
|
true
|
||
|
|
>
|
||
|
|
, detail::expect_output
|
||
|
|
<
|
||
|
|
MultiLinestring, Polygon, TupledOut,
|
||
|
|
// NOTE: points can be the result only in case of intersection.
|
||
|
|
// TODO: union should require L and A
|
||
|
|
std::conditional_t
|
||
|
|
<
|
||
|
|
(OverlayType == overlay_intersection),
|
||
|
|
point_tag,
|
||
|
|
void
|
||
|
|
>,
|
||
|
|
linestring_tag
|
||
|
|
>
|
||
|
|
{};
|
||
|
|
|
||
|
|
template
|
||
|
|
<
|
||
|
|
typename Polygon, typename MultiLinestring,
|
||
|
|
typename TupledOut,
|
||
|
|
overlay_type OverlayType,
|
||
|
|
bool ReversePolygon, bool ReverseMultiLinestring
|
||
|
|
>
|
||
|
|
struct intersection_insert
|
||
|
|
<
|
||
|
|
Polygon, MultiLinestring,
|
||
|
|
TupledOut,
|
||
|
|
OverlayType,
|
||
|
|
ReversePolygon, ReverseMultiLinestring,
|
||
|
|
polygon_tag, multi_linestring_tag, detail::tupled_output_tag,
|
||
|
|
areal_tag, linear_tag, detail::tupled_output_tag
|
||
|
|
> : detail::intersection::intersection_of_areal_with_multi_linestring
|
||
|
|
<
|
||
|
|
ReversePolygon,
|
||
|
|
TupledOut,
|
||
|
|
OverlayType,
|
||
|
|
true
|
||
|
|
>
|
||
|
|
, detail::expect_output
|
||
|
|
<
|
||
|
|
Polygon, MultiLinestring, TupledOut,
|
||
|
|
// NOTE: points can be the result only in case of intersection.
|
||
|
|
// TODO: union should require L and A
|
||
|
|
// TODO: in general the result of difference should depend on the first argument
|
||
|
|
// but this specialization calls L/A in reality so the first argument is linear.
|
||
|
|
// So expect only L for difference?
|
||
|
|
std::conditional_t
|
||
|
|
<
|
||
|
|
(OverlayType == overlay_intersection),
|
||
|
|
point_tag,
|
||
|
|
void
|
||
|
|
>,
|
||
|
|
linestring_tag
|
||
|
|
>
|
||
|
|
{};
|
||
|
|
|
||
|
|
template
|
||
|
|
<
|
||
|
|
typename Linestring, typename MultiPolygon,
|
||
|
|
typename TupledOut,
|
||
|
|
overlay_type OverlayType,
|
||
|
|
bool ReverseMultiLinestring, bool ReverseMultiPolygon
|
||
|
|
>
|
||
|
|
struct intersection_insert
|
||
|
|
<
|
||
|
|
Linestring, MultiPolygon,
|
||
|
|
TupledOut,
|
||
|
|
OverlayType,
|
||
|
|
ReverseMultiLinestring, ReverseMultiPolygon,
|
||
|
|
linestring_tag, multi_polygon_tag, detail::tupled_output_tag,
|
||
|
|
linear_tag, areal_tag, detail::tupled_output_tag
|
||
|
|
> : detail::intersection::intersection_of_linestring_with_areal
|
||
|
|
<
|
||
|
|
ReverseMultiPolygon, TupledOut, OverlayType, true
|
||
|
|
>
|
||
|
|
, detail::expect_output
|
||
|
|
<
|
||
|
|
Linestring, MultiPolygon, TupledOut,
|
||
|
|
// NOTE: points can be the result only in case of intersection.
|
||
|
|
// TODO: union should require L and A
|
||
|
|
std::conditional_t
|
||
|
|
<
|
||
|
|
(OverlayType == overlay_intersection),
|
||
|
|
point_tag,
|
||
|
|
void
|
||
|
|
>,
|
||
|
|
linestring_tag
|
||
|
|
>
|
||
|
|
{};
|
||
|
|
|
||
|
|
template
|
||
|
|
<
|
||
|
|
typename MultiLinestring, typename MultiPolygon,
|
||
|
|
typename TupledOut,
|
||
|
|
overlay_type OverlayType,
|
||
|
|
bool ReverseMultiLinestring, bool ReverseMultiPolygon
|
||
|
|
>
|
||
|
|
struct intersection_insert
|
||
|
|
<
|
||
|
|
MultiLinestring, MultiPolygon,
|
||
|
|
TupledOut,
|
||
|
|
OverlayType,
|
||
|
|
ReverseMultiLinestring, ReverseMultiPolygon,
|
||
|
|
multi_linestring_tag, multi_polygon_tag, detail::tupled_output_tag,
|
||
|
|
linear_tag, areal_tag, detail::tupled_output_tag
|
||
|
|
> : detail::intersection::intersection_of_multi_linestring_with_areal
|
||
|
|
<
|
||
|
|
ReverseMultiPolygon,
|
||
|
|
TupledOut,
|
||
|
|
OverlayType,
|
||
|
|
true
|
||
|
|
>
|
||
|
|
, detail::expect_output
|
||
|
|
<
|
||
|
|
MultiLinestring, MultiPolygon, TupledOut,
|
||
|
|
// NOTE: points can be the result only in case of intersection.
|
||
|
|
// TODO: union should require L and A
|
||
|
|
std::conditional_t
|
||
|
|
<
|
||
|
|
(OverlayType == overlay_intersection),
|
||
|
|
point_tag,
|
||
|
|
void
|
||
|
|
>,
|
||
|
|
linestring_tag
|
||
|
|
>
|
||
|
|
{};
|
||
|
|
|
||
|
|
|
||
|
|
} // namespace dispatch
|
||
|
|
#endif
|
||
|
|
|
||
|
|
}} // namespace boost::geometry
|
||
|
|
|
||
|
|
|
||
|
|
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_INTERSECTION_MULTI_HPP
|
||
|
|
|