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authorDongHun Kwak <dh0128.kwak@samsung.com>2017-09-13 11:08:07 +0900
committerDongHun Kwak <dh0128.kwak@samsung.com>2017-09-13 11:09:00 +0900
commitb5c87084afaef42b2d058f68091be31988a6a874 (patch)
treeadef9a65870a41181687e11d57fdf98e7629de3c /boost/geometry/algorithms/detail/disjoint/multipoint_geometry.hpp
parent34bd32e225e2a8a94104489b31c42e5801cc1f4a (diff)
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Imported Upstream version 1.64.0upstream/1.64.0
Change-Id: Id9212edd016dd55f21172c427aa7894d1d24148b Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
Diffstat (limited to 'boost/geometry/algorithms/detail/disjoint/multipoint_geometry.hpp')
-rw-r--r--boost/geometry/algorithms/detail/disjoint/multipoint_geometry.hpp88
1 files changed, 67 insertions, 21 deletions
diff --git a/boost/geometry/algorithms/detail/disjoint/multipoint_geometry.hpp b/boost/geometry/algorithms/detail/disjoint/multipoint_geometry.hpp
index 29e438e546..7c1a93cdb7 100644
--- a/boost/geometry/algorithms/detail/disjoint/multipoint_geometry.hpp
+++ b/boost/geometry/algorithms/detail/disjoint/multipoint_geometry.hpp
@@ -1,8 +1,9 @@
// Boost.Geometry (aka GGL, Generic Geometry Library)
-// Copyright (c) 2014-2015, Oracle and/or its affiliates.
+// Copyright (c) 2014-2017, Oracle and/or its affiliates.
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
@@ -14,8 +15,10 @@
#include <vector>
#include <boost/range.hpp>
+#include <boost/mpl/assert.hpp>
#include <boost/geometry/core/assert.hpp>
+#include <boost/geometry/core/tag.hpp>
#include <boost/geometry/core/tags.hpp>
#include <boost/geometry/geometries/box.hpp>
@@ -105,36 +108,74 @@ template <typename MultiPoint, typename Linear>
class multipoint_linear
{
private:
- // structs for partition -- start
- struct expand_box
+ struct expand_box_point
{
- template <typename Box, typename Geometry>
- static inline void apply(Box& total, Geometry const& geometry)
+ template <typename Box, typename Point>
+ static inline void apply(Box& total, Point const& point)
{
- geometry::expand(total, geometry::return_envelope<Box>(geometry));
+ geometry::expand(total, point);
}
+ };
+ // TODO: After adding non-cartesian Segment envelope to the library
+ // this policy should be modified to take envelope strategy.
+ struct expand_box_segment
+ {
+ template <typename Box, typename Segment>
+ static inline void apply(Box& total, Segment const& segment)
+ {
+ geometry::expand(total, geometry::return_envelope<Box>(segment));
+ }
};
- struct overlaps_box
+ struct overlaps_box_point
{
- template <typename Box, typename Geometry>
- static inline bool apply(Box const& box, Geometry const& geometry)
+ template <typename Box, typename Point>
+ static inline bool apply(Box const& box, Point const& point)
{
- return ! dispatch::disjoint<Geometry, Box>::apply(geometry, box);
+ // The default strategy is enough in this case
+ typedef typename strategy::disjoint::services::default_strategy
+ <
+ Point, Box
+ >::type strategy_type;
+ return ! dispatch::disjoint<Point, Box>::apply(point, box, strategy_type());
}
};
+ // TODO: After implementing disjoint Segment/Box for non-cartesian geometries
+ // this strategy should be passed here.
+ // TODO: This Segment/Box strategy should somehow be derived from Point/Segment strategy
+ // which by default is winding containing CS-specific side strategy
+ // TODO: disjoint Segment/Box will be called in this case which may take
+ // quite long in non-cartesian CS. So we should consider passing range of bounding boxes
+ // of segments after calculating them once.
+ struct overlaps_box_segment
+ {
+ template <typename Box, typename Segment>
+ static inline bool apply(Box const& box, Segment const& segment)
+ {
+ typedef typename strategy::disjoint::services::default_strategy
+ <
+ Segment, Box
+ >::type strategy_type;
+ return ! dispatch::disjoint<Segment, Box>::apply(segment, box, strategy_type());
+ }
+ };
+
+ template <typename PtSegStrategy>
class item_visitor_type
{
public:
- item_visitor_type() : m_intersection_found(false) {}
+ item_visitor_type(PtSegStrategy const& strategy)
+ : m_intersection_found(false)
+ , m_strategy(strategy)
+ {}
template <typename Item1, typename Item2>
inline void apply(Item1 const& item1, Item2 const& item2)
{
if (! m_intersection_found
- && ! dispatch::disjoint<Item1, Item2>::apply(item1, item2))
+ && ! dispatch::disjoint<Item1, Item2>::apply(item1, item2, m_strategy))
{
m_intersection_found = true;
}
@@ -144,6 +185,7 @@ private:
private:
bool m_intersection_found;
+ PtSegStrategy const& m_strategy;
};
// structs for partition -- end
@@ -172,23 +214,25 @@ private:
};
public:
- static inline bool apply(MultiPoint const& multipoint, Linear const& linear)
+ template <typename Strategy>
+ static inline bool apply(MultiPoint const& multipoint, Linear const& linear, Strategy const& strategy)
{
- item_visitor_type visitor;
+ item_visitor_type<Strategy> visitor(strategy);
geometry::partition
<
- geometry::model::box<typename point_type<MultiPoint>::type>,
- expand_box,
- overlaps_box
- >::apply(multipoint, segment_range(linear), visitor);
+ geometry::model::box<typename point_type<MultiPoint>::type>
+ >::apply(multipoint, segment_range(linear), visitor,
+ expand_box_point(), overlaps_box_point(),
+ expand_box_segment(), overlaps_box_segment());
return ! visitor.intersection_found();
}
- static inline bool apply(Linear const& linear, MultiPoint const& multipoint)
+ template <typename Strategy>
+ static inline bool apply(Linear const& linear, MultiPoint const& multipoint, Strategy const& strategy)
{
- return apply(multipoint, linear);
+ return apply(multipoint, linear, strategy);
}
};
@@ -240,8 +284,10 @@ struct disjoint
multi_point_tag, multi_point_tag, false
>
{
+ template <typename Strategy>
static inline bool apply(MultiPoint1 const& multipoint1,
- MultiPoint2 const& multipoint2)
+ MultiPoint2 const& multipoint2,
+ Strategy const& )
{
if ( boost::size(multipoint2) < boost::size(multipoint1) )
{