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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Robustness Test
// Copyright (c) 2009-2021 Barend Gehrels, 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)
#define BOOST_GEOMETRY_NO_BOOST_TEST
#ifndef BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE
#define BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE
#endif
#include <test_overlay_p_q.hpp>
#include <sstream>
#include <chrono>
#include <boost/program_options.hpp>
template <typename Polygon, typename T>
inline void make_pie(Polygon& polygon,
int count, int offset, int offset_y, T factor1, int total_segment_count = 36)
{
typedef typename bg::point_type<Polygon>::type p;
typedef typename bg::select_most_precise
<
typename bg::coordinate_type<Polygon>::type,
long double
>::type coordinate_type;
// Create pie
coordinate_type cx = 2500.0;
coordinate_type cy = 2500.0 + offset_y;
bg::exterior_ring(polygon).push_back(bg::make<p>(int(cx), int(cy)));
coordinate_type const dx = 5000.0;
coordinate_type const dy = 5000.0;
coordinate_type const half = 0.5;
coordinate_type const two = 2.0;
coordinate_type const a = coordinate_type(factor1) * half * dx;
coordinate_type const b = coordinate_type(factor1) * half * dy;
coordinate_type const pi = boost::math::constants::pi<long double>();
coordinate_type const delta = pi * two / total_segment_count;
coordinate_type angle = coordinate_type(offset) * delta;
for (int i = 0; i < count; i++, angle += delta)
{
coordinate_type const s = sin(angle);
coordinate_type const c = cos(angle);
coordinate_type const x = cx + a * s;
coordinate_type const y = cy + b * c;
bg::exterior_ring(polygon).push_back(bg::make<p>(int(x), int(y)));
}
bg::exterior_ring(polygon).push_back(bg::make<p>(int(cx), int(cy)));
bg::correct(polygon);
}
/*
sql server
TWO INNERS
1a) select geometry::STGeomFromText('POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,5 5,4 6,4 4),(6 6,5 5,6 4,6 6)) ', 0).STIsValid(); -> valid
same:
1b) POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,5 5,6 4,6 6,5 5,4 6,4 4)) -> valid
I-E tangency IET
2a) select geometry::STGeomFromText('POLYGON((0 0,0 10,10 10,10 0,0 0),(5 0,6 1,4 1,5 0))', 0).STIsValid(); -> valid
same by Self tangency ST
2b) select geometry::STGeomFromText('POLYGON((0 0,0 10,10 10,10 0,5 0,6 1,4 1,5 0, 0 0))', 0).STIsValid(); -> valid
Two inners all tangent
3a) POLYGON((0 0,0 10,10 10,10 0,0 0),(5 0,6 1,4 1,5 0),(5 1,6 2,4 2,5 1)) -> valid
postgis:
1a) select ST_IsValid(ST_GeomFromText('POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,5 5,4 6,4 4),(6 6,5 5,6 4,6 6))', 0)); -> valid
1b) POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,5 5,6 4,6 6,5 5,4 6,4 4)) -> NOT valid
2a) POLYGON((0 0,0 10,10 10,10 0,0 0),(5 0,6 1,4 1,5 0)) -> valid
2b) POLYGON((0 0,0 10,10 10,10 0,5 0,6 1,4 1,5 0, 0 0)) -> NOT valid (?)
3a) POLYGON((0 0,0 10,10 10,10 0,0 0),(5 0,6 1,4 1,5 0),(5 1,6 2,4 2,5 1)) -> valid
*/
template <typename Polygon>
inline void holify(Polygon& polygon)
{
typedef typename bg::point_type<Polygon>::type point_type;
Polygon p;
bg::exterior_ring(p).push_back(bg::make<point_type>(0, 0));
bg::exterior_ring(p).push_back(bg::make<point_type>(0, 5000));
bg::exterior_ring(p).push_back(bg::make<point_type>(5000, 5000));
bg::exterior_ring(p).push_back(bg::make<point_type>(5000, 0));
bg::exterior_ring(p).push_back(bg::make<point_type>(0, 0));
bg::interior_rings(p).push_back(bg::exterior_ring(polygon));
bg::correct(p);
polygon = p;
}
template <typename MultiPolygon>
inline void holify_multi(MultiPolygon& multi_polygon)
{
typedef typename bg::point_type<MultiPolygon>::type point_type;
typename boost::range_value<MultiPolygon>::type p;
bg::exterior_ring(p).push_back(bg::make<point_type>(0, 0));
bg::exterior_ring(p).push_back(bg::make<point_type>(0, 5000));
bg::exterior_ring(p).push_back(bg::make<point_type>(5000, 5000));
bg::exterior_ring(p).push_back(bg::make<point_type>(5000, 0));
bg::exterior_ring(p).push_back(bg::make<point_type>(0, 0));
for (int i = 0; i < multi_polygon.size(); i++)
{
bg::interior_rings(p).push_back(bg::exterior_ring(multi_polygon[i]));
}
bg::correct(p);
multi_polygon.clear();
multi_polygon.push_back(p);
}
template <typename T, bool Clockwise, bool Closed>
void test_pie(int total_segment_count, T factor_p, T factor_q,
bool multi, bool single_selftangent, p_q_settings const& settings)
{
auto const t0 = std::chrono::high_resolution_clock::now();
typedef bg::model::d2::point_xy<T> point_type;
typedef bg::model::polygon<point_type, Clockwise, Closed> polygon;
typedef bg::model::multi_polygon<polygon> multi_polygon;
int good_count = 0;
int bad_count = 0;
for (int a = 2; a < total_segment_count; a++)
{
polygon p;
make_pie(p, a, 0, 0, factor_p, total_segment_count);
//holify(p);
for (int b = 2; b < total_segment_count; b++)
{
for (int offset = 1; offset < total_segment_count; offset++)
{
//for (int y = 0; y <= 2500; y += 500)
int y = 0;
{
polygon q;
make_pie(q, b, offset, y, factor_q, total_segment_count);
if (! multi)
{
//holify(q);
std::ostringstream out;
out << "pie_" << a << "_" << b << "_" << offset << "_" << y;
if (test_overlay_p_q<polygon, T>(out.str(), p, q, settings))
{
good_count++;
}
else
{
bad_count++;
}
}
else
{
int left = total_segment_count - b - 2;
//std::cout << a << " " << b << " " << left << std::endl;
for (int c = 2; c < left; c++)
{
polygon q2;
make_pie(q2, c, offset + b + 1, y, factor_q, total_segment_count);
std::ostringstream out;
out << "pie_" << a << "_" << b << "_" << offset << "_" << y
<< "_" << c
;
bool good = false;
// Represent as either multi-polygon, or as single-self-touching-polygon (INVALID)
if (single_selftangent)
{
polygon q1 = q;
for (unsigned int i = 1; i < q2.outer().size(); i++)
{
q1.outer().push_back(q2.outer()[i]);
}
//holify(q1);
good = test_overlay_p_q<polygon, T>(out.str(), p, q1, settings);
}
else
{
multi_polygon mq;
mq.push_back(q);
mq.push_back(q2);
//holify_multi(mq);
good = test_overlay_p_q<polygon, T>(out.str(), p, mq, settings);
}
if (good)
{
good_count++;
}
else
{
bad_count++;
}
}
}
}
}
}
}
auto const t = std::chrono::high_resolution_clock::now();
auto const elapsed_ms = std::chrono::duration_cast<std::chrono::milliseconds>(t - t0).count();
std::cout
<< " time: " << elapsed_ms / 1000.0 << std::endl
<< "Good: " << good_count << std::endl
<< "Bad: " << bad_count << std::endl;
}
template <typename T, bool Clockwise, bool Closed>
void test_all(bool multi, bool single_selftangent, p_q_settings const& settings)
{
test_pie<T, Clockwise, Closed>(24, 0.55, 0.45, multi, single_selftangent, settings);
}
int main(int argc, char** argv)
{
BoostGeometryWriteTestConfiguration();
try
{
namespace po = boost::program_options;
po::options_description description("=== intersection_pies ===\nAllowed options");
p_q_settings settings;
bool multi = false;
bool ccw = false;
bool open = false;
bool single_selftangent = false; // keep false, true does not work!
description.add_options()
("help", "Help message")
("multi", po::value<bool>(&multi)->default_value(false), "Multiple tangencies at one point")
("diff", po::value<bool>(&settings.also_difference)->default_value(false), "Include testing on difference")
#if ! defined(BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE)
("ccw", po::value<bool>(&ccw)->default_value(false), "Counter clockwise polygons")
("open", po::value<bool>(&open)->default_value(false), "Open polygons")
#endif
("wkt", po::value<bool>(&settings.wkt)->default_value(false), "Create a WKT of the inputs, for all tests")
("svg", po::value<bool>(&settings.svg)->default_value(false), "Create a SVG for all tests")
;
po::variables_map varmap;
po::store(po::parse_command_line(argc, argv, description), varmap);
po::notify(varmap);
if (varmap.count("help"))
{
std::cout << description << std::endl;
return 1;
}
// template par's are: CoordinateType, Clockwise, Closed
#if ! defined(BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE)
if (ccw && open)
{
test_all<default_test_type, false, false>(multi, single_selftangent, settings);
}
else if (ccw)
{
test_all<default_test_type, false, true>(multi, single_selftangent, settings);
}
else if (open)
{
test_all<default_test_type, true, false>(multi, single_selftangent, settings);
}
else
#endif
{
test_all<default_test_type, true, true>(multi, single_selftangent, settings);
}
}
catch(std::exception const& e)
{
std::cout << "Exception " << e.what() << std::endl;
}
catch(...)
{
std::cout << "Other exception" << std::endl;
}
return 0;
}
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