676 lines
18 KiB
C++
676 lines
18 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
|
|
//
|
|
// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
|
|
// Copyright (c) 2017 Adam Wulkiewicz, Lodz, Poland.
|
|
//
|
|
// This file was modified by Oracle on 2017, 2018.
|
|
// Modifications copyright (c) 2017-2018 Oracle and/or its affiliates.
|
|
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
|
|
//
|
|
// 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)
|
|
|
|
#include <geometry_test_common.hpp>
|
|
|
|
#include <algorithms/test_overlay.hpp>
|
|
|
|
|
|
#include <boost/geometry/geometry.hpp>
|
|
#include <boost/geometry/geometries/multi_point.hpp>
|
|
#include <boost/geometry/geometries/point_xy.hpp>
|
|
#include <boost/geometry/geometries/register/point.hpp>
|
|
|
|
#include <boost/geometry/algorithms/detail/partition.hpp>
|
|
|
|
#include <boost/geometry/io/wkt/wkt.hpp>
|
|
|
|
#if defined(TEST_WITH_SVG)
|
|
# include <boost/geometry/io/svg/svg_mapper.hpp>
|
|
#endif
|
|
|
|
#include <boost/random/linear_congruential.hpp>
|
|
#include <boost/random/uniform_int.hpp>
|
|
#include <boost/random/uniform_real.hpp>
|
|
#include <boost/random/variate_generator.hpp>
|
|
|
|
|
|
template <typename Box>
|
|
struct box_item
|
|
{
|
|
int id;
|
|
Box box;
|
|
box_item(int i = 0, std::string const& wkt = "")
|
|
: id(i)
|
|
{
|
|
if (! wkt.empty())
|
|
{
|
|
bg::read_wkt(wkt, box);
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
struct get_box
|
|
{
|
|
template <typename Box, typename InputItem>
|
|
static inline void apply(Box& total, InputItem const& item)
|
|
{
|
|
bg::expand(total, item.box);
|
|
}
|
|
};
|
|
|
|
struct ovelaps_box
|
|
{
|
|
template <typename Box, typename InputItem>
|
|
static inline bool apply(Box const& box, InputItem const& item)
|
|
{
|
|
typename bg::strategy::disjoint::services::default_strategy
|
|
<
|
|
Box, Box
|
|
>::type strategy;
|
|
|
|
return ! bg::detail::disjoint::disjoint_box_box(box, item.box, strategy);
|
|
}
|
|
};
|
|
|
|
|
|
template <typename Box>
|
|
struct box_visitor
|
|
{
|
|
int count;
|
|
typename bg::default_area_result<Box>::type area;
|
|
|
|
box_visitor()
|
|
: count(0)
|
|
, area(0)
|
|
{}
|
|
|
|
template <typename Item>
|
|
inline bool apply(Item const& item1, Item const& item2)
|
|
{
|
|
if (bg::intersects(item1.box, item2.box))
|
|
{
|
|
Box b;
|
|
bg::intersection(item1.box, item2.box, b);
|
|
area += bg::area(b);
|
|
count++;
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
struct point_in_box_visitor
|
|
{
|
|
int count;
|
|
|
|
point_in_box_visitor()
|
|
: count(0)
|
|
{}
|
|
|
|
template <typename Point, typename BoxItem>
|
|
inline bool apply(Point const& point, BoxItem const& box_item)
|
|
{
|
|
if (bg::within(point, box_item.box))
|
|
{
|
|
count++;
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
struct reversed_point_in_box_visitor
|
|
{
|
|
int count;
|
|
|
|
reversed_point_in_box_visitor()
|
|
: count(0)
|
|
{}
|
|
|
|
template <typename BoxItem, typename Point>
|
|
inline bool apply(BoxItem const& box_item, Point const& point)
|
|
{
|
|
if (bg::within(point, box_item.box))
|
|
{
|
|
count++;
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
|
|
|
|
template <typename Box>
|
|
void test_boxes(std::string const& wkt_box_list, double expected_area, int expected_count)
|
|
{
|
|
std::vector<std::string> wkt_boxes;
|
|
|
|
boost::split(wkt_boxes, wkt_box_list, boost::is_any_of(";"), boost::token_compress_on);
|
|
|
|
typedef box_item<Box> sample;
|
|
std::vector<sample> boxes;
|
|
|
|
int index = 1;
|
|
BOOST_FOREACH(std::string const& wkt, wkt_boxes)
|
|
{
|
|
boxes.push_back(sample(index++, wkt));
|
|
}
|
|
|
|
box_visitor<Box> visitor;
|
|
bg::partition
|
|
<
|
|
Box
|
|
>::apply(boxes, visitor, get_box(), ovelaps_box(), 1);
|
|
|
|
BOOST_CHECK_CLOSE(visitor.area, expected_area, 0.001);
|
|
BOOST_CHECK_EQUAL(visitor.count, expected_count);
|
|
}
|
|
|
|
|
|
|
|
struct point_item
|
|
{
|
|
point_item()
|
|
: id(0)
|
|
{}
|
|
|
|
int id;
|
|
double x;
|
|
double y;
|
|
};
|
|
|
|
BOOST_GEOMETRY_REGISTER_POINT_2D(point_item, double, cs::cartesian, x, y)
|
|
|
|
|
|
struct get_point
|
|
{
|
|
template <typename Box, typename InputItem>
|
|
static inline void apply(Box& total, InputItem const& item)
|
|
{
|
|
bg::expand(total, item);
|
|
}
|
|
};
|
|
|
|
struct ovelaps_point
|
|
{
|
|
template <typename Box, typename InputItem>
|
|
static inline bool apply(Box const& box, InputItem const& item)
|
|
{
|
|
return ! bg::disjoint(item, box);
|
|
}
|
|
};
|
|
|
|
|
|
struct point_visitor
|
|
{
|
|
int count;
|
|
|
|
point_visitor()
|
|
: count(0)
|
|
{}
|
|
|
|
template <typename Item>
|
|
inline bool apply(Item const& item1, Item const& item2)
|
|
{
|
|
if (bg::equals(item1, item2))
|
|
{
|
|
count++;
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
|
|
|
|
void test_points(std::string const& wkt1, std::string const& wkt2, int expected_count)
|
|
{
|
|
bg::model::multi_point<point_item> mp1, mp2;
|
|
bg::read_wkt(wkt1, mp1);
|
|
bg::read_wkt(wkt2, mp2);
|
|
|
|
int id = 1;
|
|
BOOST_FOREACH(point_item& p, mp1)
|
|
{ p.id = id++; }
|
|
id = 1;
|
|
BOOST_FOREACH(point_item& p, mp2)
|
|
{ p.id = id++; }
|
|
|
|
point_visitor visitor;
|
|
bg::partition
|
|
<
|
|
bg::model::box<point_item>
|
|
>::apply(mp1, mp2, visitor, get_point(), ovelaps_point(),
|
|
get_point(), ovelaps_point(), 1);
|
|
|
|
BOOST_CHECK_EQUAL(visitor.count, expected_count);
|
|
}
|
|
|
|
|
|
|
|
template <typename P>
|
|
void test_all()
|
|
{
|
|
typedef bg::model::box<P> box;
|
|
|
|
test_boxes<box>(
|
|
// 1 2 3 4 5 6 7
|
|
"box(0 0,1 1); box(0 0,2 2); box(9 9,10 10); box(8 8,9 9); box(4 4,6 6); box(2 4,6 8); box(7 1,8 2)",
|
|
5, // Area(Intersection(1,2)) + A(I(5,6))
|
|
3);
|
|
|
|
test_boxes<box>(
|
|
"box(0 0,10 10); box(4 4,6 6); box(3 3,7 7)",
|
|
4 + 16 + 4, // A(I(1,2)) + A(I(1,3)) + A(I(2,3))
|
|
3);
|
|
|
|
test_boxes<box>(
|
|
"box(0 2,10 3); box(3 1,4 5); box(7 1,8 5)",
|
|
1 + 1, // A(I(1,2)) + A(I(1,3))
|
|
2);
|
|
|
|
test_points("multipoint((1 1))", "multipoint((1 1))", 1);
|
|
test_points("multipoint((0 0),(1 1),(7 3),(10 10))", "multipoint((1 1),(2 2),(7 3))", 2);
|
|
|
|
}
|
|
|
|
//------------------- higher volumes
|
|
|
|
#if defined(TEST_WITH_SVG)
|
|
template <typename SvgMapper>
|
|
struct svg_visitor
|
|
{
|
|
SvgMapper& m_mapper;
|
|
|
|
svg_visitor(SvgMapper& mapper)
|
|
: m_mapper(mapper)
|
|
{}
|
|
|
|
template <typename Box>
|
|
inline void apply(Box const& box, int level)
|
|
{
|
|
/*
|
|
std::string color("rgb(64,64,64)");
|
|
switch(level)
|
|
{
|
|
case 0 : color = "rgb(255,0,0)"; break;
|
|
case 1 : color = "rgb(0,255,0)"; break;
|
|
case 2 : color = "rgb(0,0,255)"; break;
|
|
case 3 : color = "rgb(255,255,0)"; break;
|
|
case 4 : color = "rgb(255,0,255)"; break;
|
|
case 5 : color = "rgb(0,255,255)"; break;
|
|
case 6 : color = "rgb(255,128,0)"; break;
|
|
case 7 : color = "rgb(0,128,255)"; break;
|
|
}
|
|
std::ostringstream style;
|
|
style << "fill:none;stroke-width:" << (5.0 - level / 2.0) << ";stroke:" << color << ";";
|
|
m_mapper.map(box, style.str());
|
|
*/
|
|
m_mapper.map(box, "fill:none;stroke-width:2;stroke:rgb(0,0,0);");
|
|
|
|
}
|
|
};
|
|
#endif
|
|
|
|
|
|
template <typename Collection>
|
|
void fill_points(Collection& collection, int seed, int size, int count)
|
|
{
|
|
typedef boost::minstd_rand base_generator_type;
|
|
|
|
base_generator_type generator(seed);
|
|
|
|
boost::uniform_int<> random_coordinate(0, size - 1);
|
|
boost::variate_generator<base_generator_type&, boost::uniform_int<> >
|
|
coordinate_generator(generator, random_coordinate);
|
|
|
|
std::set<std::pair<int, int> > included;
|
|
|
|
int n = 0;
|
|
for (int i = 0; n < count && i < count*count; i++)
|
|
{
|
|
int x = coordinate_generator();
|
|
int y = coordinate_generator();
|
|
std::pair<int, int> pair = std::make_pair(x, y);
|
|
if (included.find(pair) == included.end())
|
|
{
|
|
included.insert(pair);
|
|
typename boost::range_value<Collection>::type item;
|
|
item.x = x;
|
|
item.y = y;
|
|
collection.push_back(item);
|
|
n++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void test_many_points(int seed, int size, int count)
|
|
{
|
|
bg::model::multi_point<point_item> mp1, mp2;
|
|
|
|
fill_points(mp1, seed, size, count);
|
|
fill_points(mp2, seed * 2, size, count);
|
|
|
|
// Test equality in quadratic loop
|
|
int expected_count = 0;
|
|
BOOST_FOREACH(point_item const& item1, mp1)
|
|
{
|
|
BOOST_FOREACH(point_item const& item2, mp2)
|
|
{
|
|
if (bg::equals(item1, item2))
|
|
{
|
|
expected_count++;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined(TEST_WITH_SVG)
|
|
std::ostringstream filename;
|
|
filename << "partition" << seed << ".svg";
|
|
std::ofstream svg(filename.str().c_str());
|
|
|
|
bg::svg_mapper<point_item> mapper(svg, 800, 800);
|
|
|
|
{
|
|
point_item p;
|
|
p.x = -1; p.y = -1; mapper.add(p);
|
|
p.x = size + 1; p.y = size + 1; mapper.add(p);
|
|
}
|
|
|
|
typedef svg_visitor<bg::svg_mapper<point_item> > box_visitor_type;
|
|
box_visitor_type box_visitor(mapper);
|
|
#else
|
|
typedef bg::detail::partition::visit_no_policy box_visitor_type;
|
|
box_visitor_type box_visitor;
|
|
#endif
|
|
|
|
point_visitor visitor;
|
|
bg::partition
|
|
<
|
|
bg::model::box<point_item>,
|
|
bg::detail::partition::include_all_policy,
|
|
bg::detail::partition::include_all_policy
|
|
>::apply(mp1, mp2, visitor, get_point(), ovelaps_point(),
|
|
get_point(), ovelaps_point(), 2, box_visitor);
|
|
|
|
BOOST_CHECK_EQUAL(visitor.count, expected_count);
|
|
|
|
#if defined(TEST_WITH_SVG)
|
|
BOOST_FOREACH(point_item const& item, mp1)
|
|
{
|
|
mapper.map(item, "fill:rgb(255,128,0);stroke:rgb(0,0,100);stroke-width:1", 8);
|
|
}
|
|
BOOST_FOREACH(point_item const& item, mp2)
|
|
{
|
|
mapper.map(item, "fill:rgb(0,128,255);stroke:rgb(0,0,100);stroke-width:1", 4);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
template <typename Collection>
|
|
void fill_boxes(Collection& collection, int seed, int size, int count)
|
|
{
|
|
typedef boost::minstd_rand base_generator_type;
|
|
|
|
base_generator_type generator(seed);
|
|
|
|
boost::uniform_int<> random_coordinate(0, size * 10 - 1);
|
|
boost::variate_generator<base_generator_type&, boost::uniform_int<> >
|
|
coordinate_generator(generator, random_coordinate);
|
|
|
|
int n = 0;
|
|
for (int i = 0; n < count && i < count*count; i++)
|
|
{
|
|
int w = coordinate_generator() % 30;
|
|
int h = coordinate_generator() % 30;
|
|
if (w > 0 && h > 0)
|
|
{
|
|
int x = coordinate_generator();
|
|
int y = coordinate_generator();
|
|
if (x + w < size * 10 && y + h < size * 10)
|
|
{
|
|
typename boost::range_value<Collection>::type item(n+1);
|
|
bg::assign_values(item.box, x / 10.0, y / 10.0, (x + w) / 10.0, (y + h) / 10.0);
|
|
collection.push_back(item);
|
|
n++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void test_many_boxes(int seed, int size, int count)
|
|
{
|
|
typedef bg::model::box<point_item> box_type;
|
|
std::vector<box_item<box_type> > boxes;
|
|
|
|
fill_boxes(boxes, seed, size, count);
|
|
|
|
// Test equality in quadratic loop
|
|
int expected_count = 0;
|
|
double expected_area = 0.0;
|
|
BOOST_FOREACH(box_item<box_type> const& item1, boxes)
|
|
{
|
|
BOOST_FOREACH(box_item<box_type> const& item2, boxes)
|
|
{
|
|
if (item1.id < item2.id)
|
|
{
|
|
if (bg::intersects(item1.box, item2.box))
|
|
{
|
|
box_type b;
|
|
bg::intersection(item1.box, item2.box, b);
|
|
expected_area += bg::area(b);
|
|
expected_count++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
#if defined(TEST_WITH_SVG)
|
|
std::ostringstream filename;
|
|
filename << "partition_box_" << seed << ".svg";
|
|
std::ofstream svg(filename.str().c_str());
|
|
|
|
bg::svg_mapper<point_item> mapper(svg, 800, 800);
|
|
|
|
{
|
|
point_item p;
|
|
p.x = -1; p.y = -1; mapper.add(p);
|
|
p.x = size + 1; p.y = size + 1; mapper.add(p);
|
|
}
|
|
|
|
BOOST_FOREACH(box_item<box_type> const& item, boxes)
|
|
{
|
|
mapper.map(item.box, "opacity:0.6;fill:rgb(50,50,210);stroke:rgb(0,0,0);stroke-width:1");
|
|
}
|
|
|
|
typedef svg_visitor<bg::svg_mapper<point_item> > partition_box_visitor_type;
|
|
partition_box_visitor_type partition_box_visitor(mapper);
|
|
|
|
#else
|
|
typedef bg::detail::partition::visit_no_policy partition_box_visitor_type;
|
|
partition_box_visitor_type partition_box_visitor;
|
|
#endif
|
|
|
|
box_visitor<box_type> visitor;
|
|
bg::partition
|
|
<
|
|
box_type,
|
|
bg::detail::partition::include_all_policy,
|
|
bg::detail::partition::include_all_policy
|
|
>::apply(boxes, visitor, get_box(), ovelaps_box(),
|
|
2, partition_box_visitor);
|
|
|
|
BOOST_CHECK_EQUAL(visitor.count, expected_count);
|
|
BOOST_CHECK_CLOSE(visitor.area, expected_area, 0.001);
|
|
}
|
|
|
|
void test_two_collections(int seed1, int seed2, int size, int count)
|
|
{
|
|
typedef bg::model::box<point_item> box_type;
|
|
std::vector<box_item<box_type> > boxes1, boxes2;
|
|
|
|
fill_boxes(boxes1, seed1, size, count);
|
|
fill_boxes(boxes2, seed2, size, count);
|
|
|
|
// Get expectations in quadratic loop
|
|
int expected_count = 0;
|
|
double expected_area = 0.0;
|
|
BOOST_FOREACH(box_item<box_type> const& item1, boxes1)
|
|
{
|
|
BOOST_FOREACH(box_item<box_type> const& item2, boxes2)
|
|
{
|
|
if (bg::intersects(item1.box, item2.box))
|
|
{
|
|
box_type b;
|
|
bg::intersection(item1.box, item2.box, b);
|
|
expected_area += bg::area(b);
|
|
expected_count++;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
#if defined(TEST_WITH_SVG)
|
|
std::ostringstream filename;
|
|
filename << "partition_boxes_" << seed1 << "_" << seed2 << ".svg";
|
|
std::ofstream svg(filename.str().c_str());
|
|
|
|
bg::svg_mapper<point_item> mapper(svg, 800, 800);
|
|
|
|
{
|
|
point_item p;
|
|
p.x = -1; p.y = -1; mapper.add(p);
|
|
p.x = size + 1; p.y = size + 1; mapper.add(p);
|
|
}
|
|
|
|
BOOST_FOREACH(box_item<box_type> const& item, boxes1)
|
|
{
|
|
mapper.map(item.box, "opacity:0.6;fill:rgb(50,50,210);stroke:rgb(0,0,0);stroke-width:1");
|
|
}
|
|
BOOST_FOREACH(box_item<box_type> const& item, boxes2)
|
|
{
|
|
mapper.map(item.box, "opacity:0.6;fill:rgb(0,255,0);stroke:rgb(0,0,0);stroke-width:1");
|
|
}
|
|
|
|
typedef svg_visitor<bg::svg_mapper<point_item> > partition_box_visitor_type;
|
|
partition_box_visitor_type partition_box_visitor(mapper);
|
|
#else
|
|
typedef bg::detail::partition::visit_no_policy partition_box_visitor_type;
|
|
partition_box_visitor_type partition_box_visitor;
|
|
#endif
|
|
|
|
box_visitor<box_type> visitor;
|
|
bg::partition
|
|
<
|
|
box_type,
|
|
bg::detail::partition::include_all_policy,
|
|
bg::detail::partition::include_all_policy
|
|
>::apply(boxes1, boxes2, visitor, get_box(), ovelaps_box(),
|
|
get_box(), ovelaps_box(), 2, partition_box_visitor);
|
|
|
|
BOOST_CHECK_EQUAL(visitor.count, expected_count);
|
|
BOOST_CHECK_CLOSE(visitor.area, expected_area, 0.001);
|
|
}
|
|
|
|
|
|
void test_heterogenuous_collections(int seed1, int seed2, int size, int count)
|
|
{
|
|
typedef bg::model::box<point_item> box_type;
|
|
std::vector<point_item> points;
|
|
std::vector<box_item<box_type> > boxes;
|
|
|
|
fill_points(points, seed1, size, count);
|
|
fill_boxes(boxes, seed2, size, count);
|
|
|
|
// Get expectations in quadratic loop
|
|
int expected_count = 0;
|
|
BOOST_FOREACH(point_item const& point, points)
|
|
{
|
|
BOOST_FOREACH(box_item<box_type> const& box_item, boxes)
|
|
{
|
|
if (bg::within(point, box_item.box))
|
|
{
|
|
expected_count++;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
#if defined(TEST_WITH_SVG)
|
|
std::ostringstream filename;
|
|
filename << "partition_heterogeneous_" << seed1 << "_" << seed2 << ".svg";
|
|
std::ofstream svg(filename.str().c_str());
|
|
|
|
bg::svg_mapper<point_item> mapper(svg, 800, 800);
|
|
|
|
{
|
|
point_item p;
|
|
p.x = -1; p.y = -1; mapper.add(p);
|
|
p.x = size + 1; p.y = size + 1; mapper.add(p);
|
|
}
|
|
|
|
BOOST_FOREACH(point_item const& point, points)
|
|
{
|
|
mapper.map(point, "fill:rgb(255,128,0);stroke:rgb(0,0,100);stroke-width:1", 8);
|
|
}
|
|
BOOST_FOREACH(box_item<box_type> const& item, boxes)
|
|
{
|
|
mapper.map(item.box, "opacity:0.6;fill:rgb(0,255,0);stroke:rgb(0,0,0);stroke-width:1");
|
|
}
|
|
|
|
typedef svg_visitor<bg::svg_mapper<point_item> > partition_box_visitor_type;
|
|
partition_box_visitor_type partition_box_visitor(mapper);
|
|
#else
|
|
typedef bg::detail::partition::visit_no_policy partition_box_visitor_type;
|
|
partition_box_visitor_type partition_box_visitor;
|
|
#endif
|
|
|
|
point_in_box_visitor visitor1;
|
|
bg::partition
|
|
<
|
|
box_type,
|
|
bg::detail::partition::include_all_policy,
|
|
bg::detail::partition::include_all_policy
|
|
>::apply(points, boxes, visitor1, get_point(), ovelaps_point(),
|
|
get_box(), ovelaps_box(), 2, partition_box_visitor);
|
|
|
|
reversed_point_in_box_visitor visitor2;
|
|
bg::partition
|
|
<
|
|
box_type,
|
|
bg::detail::partition::include_all_policy,
|
|
bg::detail::partition::include_all_policy
|
|
>::apply(boxes, points, visitor2, get_box(), ovelaps_box(),
|
|
get_point(), ovelaps_point(), 2, partition_box_visitor);
|
|
|
|
BOOST_CHECK_EQUAL(visitor1.count, expected_count);
|
|
BOOST_CHECK_EQUAL(visitor2.count, expected_count);
|
|
}
|
|
|
|
int test_main( int , char* [] )
|
|
{
|
|
test_all<bg::model::d2::point_xy<double> >();
|
|
|
|
test_many_points(12345, 20, 40);
|
|
test_many_points(54321, 20, 60);
|
|
test_many_points(67890, 20, 80);
|
|
test_many_points(98765, 20, 100);
|
|
for (int i = 1; i < 10; i++)
|
|
{
|
|
test_many_points(i, 30, i * 20);
|
|
}
|
|
|
|
test_many_boxes(12345, 20, 40);
|
|
for (int i = 1; i < 10; i++)
|
|
{
|
|
test_many_boxes(i, 20, i * 10);
|
|
}
|
|
|
|
test_two_collections(12345, 54321, 20, 40);
|
|
test_two_collections(67890, 98765, 20, 60);
|
|
|
|
test_heterogenuous_collections(67890, 98765, 20, 60);
|
|
|
|
return 0;
|
|
}
|