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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2010-2015 Barend Gehrels, Amsterdam, the Netherlands.
// This file was modified by Oracle on 2015-2021.
// Modifications copyright (c) 2015-2021, 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
// 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 <iomanip>
#include <iostream>
#include <sstream>
#include <string>
#include <boost/geometry/algorithms/correct.hpp>
#include <boost/geometry/algorithms/is_valid.hpp>
#include <boost/geometry/io/wkt/wkt.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#include "test_difference.hpp"
#include <algorithms/test_overlay.hpp>
#include <algorithms/overlay/overlay_cases.hpp>
#include <algorithms/overlay/multi_overlay_cases.hpp>
template <typename CoordinateType>
void test_ticket_10835(std::string const& wkt_out1, std::string const& wkt_out2)
{
typedef bg::model::point<CoordinateType, 2, bg::cs::cartesian> point_type;
typedef bg::model::linestring<point_type> linestring_type;
typedef bg::model::multi_linestring<linestring_type> multilinestring_type;
typedef bg::model::polygon
<
point_type, /*ClockWise*/false, /*Closed*/false
> polygon_type;
multilinestring_type multilinestring;
bg::read_wkt(ticket_10835[0], multilinestring);
polygon_type polygon1;
bg::read_wkt(ticket_10835[1], polygon1);
polygon_type polygon2;
bg::read_wkt(ticket_10835[2], polygon2);
multilinestring_type multilinestringOut1;
bg::difference(multilinestring, polygon1, multilinestringOut1);
std::stringstream stream;
stream << bg::wkt(multilinestringOut1);
BOOST_CHECK_EQUAL(stream.str(), wkt_out1);
multilinestring_type multilinestringOut2;
bg::difference(multilinestringOut1, polygon2, multilinestringOut2);
stream.str("");
stream.clear();
stream << bg::wkt(multilinestringOut2);
BOOST_CHECK_EQUAL(stream.str(), wkt_out2);
}
template <typename Polygon, typename LineString>
void test_areal_linear()
{
typedef typename bg::point_type<Polygon>::type point;
typedef typename bg::coordinate_type<point>::type ct;
std::string const poly_simplex = "POLYGON((1 1,1 3,3 3,3 1,1 1))";
test_one_lp<LineString, LineString, Polygon>("simplex", "LINESTRING(0 2,4 2)", poly_simplex, 2, 4, 2.0);
test_one_lp<LineString, LineString, Polygon>("case2", "LINESTRING(0 1,4 3)", poly_simplex, 2, 4, sqrt(5.0));
test_one_lp<LineString, LineString, Polygon>("case3", "LINESTRING(0 1,1 2,3 2,4 3,6 3,7 4)", "POLYGON((2 0,2 5,5 5,5 0,2 0))", 2, 6, 2.0 + 2.0 * sqrt(2.0));
test_one_lp<LineString, LineString, Polygon>("case4", "LINESTRING(1 1,3 2,1 3)", "POLYGON((0 0,0 4,2 4,2 0,0 0))", 1, 3, sqrt(5.0));
test_one_lp<LineString, LineString, Polygon>("case5", "LINESTRING(0 1,3 4)", poly_simplex, 2, 4, 2.0 * sqrt(2.0));
test_one_lp<LineString, LineString, Polygon>("case6", "LINESTRING(1 1,10 3)", "POLYGON((2 0,2 4,3 4,3 1,4 1,4 3,5 3,5 1,6 1,6 3,7 3,7 1,8 1,8 3,9 3,9 0,2 0))", 5, 10,
// Pieces are 1 x 2/9:
5.0 * sqrt(1.0 + 4.0/81.0));
test_one_lp<LineString, LineString, Polygon>("case7", "LINESTRING(1.5 1.5,2.5 2.5)", poly_simplex, 0, 0, 0.0);
test_one_lp<LineString, LineString, Polygon>("case8", "LINESTRING(1 0,2 0)", poly_simplex, 1, 2, 1.0);
std::string const poly_9 = "POLYGON((1 1,1 4,4 4,4 1,1 1))";
test_one_lp<LineString, LineString, Polygon>("case9", "LINESTRING(0 1,1 2,2 2)", poly_9, 1, 2, sqrt(2.0));
test_one_lp<LineString, LineString, Polygon>("case10", "LINESTRING(0 1,1 2,0 2)", poly_9, 1, 3, 1.0 + sqrt(2.0));
test_one_lp<LineString, LineString, Polygon>("case11", "LINESTRING(2 2,4 2,3 3)", poly_9, 0, 0, 0.0);
test_one_lp<LineString, LineString, Polygon>("case12", "LINESTRING(2 3,4 4,5 6)", poly_9, 1, 2, sqrt(5.0));
test_one_lp<LineString, LineString, Polygon>("case13", "LINESTRING(3 2,4 4,2 3)", poly_9, 0, 0, 0.0);
test_one_lp<LineString, LineString, Polygon>("case14", "LINESTRING(5 6,4 4,6 5)", poly_9, 1, 3, 2.0 * sqrt(5.0));
test_one_lp<LineString, LineString, Polygon>("case15", "LINESTRING(0 2,1 2,1 3,0 3)", poly_9, 2, 4, 2.0);
test_one_lp<LineString, LineString, Polygon>("case16", "LINESTRING(2 2,1 2,1 3,2 3)", poly_9, 0, 0, 0.0);
std::string const angly = "LINESTRING(2 2,2 1,4 1,4 2,5 2,5 3,4 3,4 4,5 4,3 6,3 5,2 5,2 6,0 4)";
test_one_lp<LineString, LineString, Polygon>("case17", angly, "POLYGON((1 1,1 5,4 5,4 1,1 1))", 3, 11, 6.0 + 4.0 * sqrt(2.0));
test_one_lp<LineString, LineString, Polygon>("case18", angly, "POLYGON((1 1,1 5,5 5,5 1,1 1))", 2, 6, 2.0 + 3.0 * sqrt(2.0));
test_one_lp<LineString, LineString, Polygon>("case19", "LINESTRING(1 2,1 3,0 3)", poly_9, 1, 2, 1.0);
test_one_lp<LineString, LineString, Polygon>("case20", "LINESTRING(1 2,1 3,2 3)", poly_9, 0, 0, 0.0);
// PROPERTIES CHANGED BY switch_to_integer
// TODO test_one_lp<LineString, LineString, Polygon>("case21", "LINESTRING(1 2,1 4,4 4,4 1,2 1,2 2)", poly_9, 0, 0, 0.0);
// More collinear (opposite) cases
test_one_lp<LineString, LineString, Polygon>("case22", "LINESTRING(4 1,4 4,7 4)", poly_9, 1, 2, 3.0);
test_one_lp<LineString, LineString, Polygon>("case23", "LINESTRING(4 0,4 4,7 4)", poly_9, 2, 4, 4.0);
test_one_lp<LineString, LineString, Polygon>("case24", "LINESTRING(4 1,4 5,7 5)", poly_9, 1, 3, 4.0);
test_one_lp<LineString, LineString, Polygon>("case25", "LINESTRING(4 0,4 5,7 5)", poly_9, 2, 5, 5.0);
test_one_lp<LineString, LineString, Polygon>("case26", "LINESTRING(4 0,4 3,4 5,7 5)", poly_9, 2, 5, 5.0);
test_one_lp<LineString, LineString, Polygon>("case27", "LINESTRING(4 4,4 5,5 5)", poly_9, 1, 3, 2.0);
if (BOOST_GEOMETRY_CONDITION( (! std::is_same<ct, float>::value)) )
{
// Fails for float
test_one_lp<LineString, LineString, Polygon>("case28",
"LINESTRING(-1.3 0,-15 0,-1.3 0)",
"POLYGON((2 3,-9 -7,12 -13,2 3))",
1, 3, 27.4);
}
test_one_lp<LineString, LineString, Polygon>("case29",
"LINESTRING(5 5,-10 5,5 5)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
1, 3, 20);
test_one_lp<LineString, LineString, Polygon>("case29a",
"LINESTRING(1 1,5 5,-10 5,5 5,6 6)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
1, 3, 20);
test_one_lp<LineString, LineString, Polygon>("case30",
"LINESTRING(-10 5,5 5,-10 5)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
2, 4, 20);
test_one_lp<LineString, LineString, Polygon>("case30a",
"LINESTRING(-20 10,-10 5,5 5,-10 5,-20 -10)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
2, 6, 49.208096);
test_one_lp<LineString, LineString, Polygon>("case31",
"LINESTRING(0 5,5 5,0 5)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
0, 0, 0);
test_one_lp<LineString, LineString, Polygon>("case31",
"LINESTRING(0 5,5 5,1 1,9 1,5 5,0 5)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
0, 0, 0);
test_one_lp<LineString, LineString, Polygon>("case32",
"LINESTRING(5 5,0 5,5 5)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
0, 0, 0);
test_one_lp<LineString, LineString, Polygon>("case32a",
"LINESTRING(-10 10,5 5,0 5,5 5,20 10)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
2, 4, 21.081851);
test_one_lp<LineString, LineString, Polygon>("case33",
"LINESTRING(-5 5,0 5,-5 5)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
1, 3, 10);
test_one_lp<LineString, LineString, Polygon>("case33a",
"LINESTRING(-10 10,-5 5,0 5,-5 5,-10 -10)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
1, 5, 32.882456);
test_one_lp<LineString, LineString, Polygon>("case33b",
"LINESTRING(0 5,-5 5,0 5)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
1, 3, 10);
test_one_lp<LineString, LineString, Polygon>("case34",
"LINESTRING(5 5,0 5,5 5,5 4,0 4,5 4)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
0, 0, 0);
test_one_lp<LineString, LineString, Polygon>("case35",
"LINESTRING(5 5,0 5,5 5,5 4,0 4,5 3)",
"POLYGON((0 0,0 10,10 10,10 0,0 0))",
0, 0, 0);
test_one_lp<LineString, LineString, Polygon>("case36",
"LINESTRING(-1 -1,10 10)",
"POLYGON((5 5,15 15,15 5,5 5))",
1, 2, 6 * std::sqrt(2.0));
test_one_lp<LineString, LineString, Polygon>("case37_1",
"LINESTRING(1 1,2 2)",
"POLYGON((0 0,0 3,3 3,3 0,0 0),(1 1,1 2,2 2,2 1,1 1))",
1, 2, std::sqrt(2.0));
test_one_lp<LineString, LineString, Polygon>("case37_2",
"LINESTRING(1 1,2 2,3 3)",
"POLYGON((0 0,0 3,3 3,3 0,0 0),(1 1,1 2,2 2,2 1,1 1))",
1, 2, std::sqrt(2.0));
test_one_lp<LineString, LineString, Polygon>("case38",
"LINESTRING(0 0,1 1,2 2,3 3)",
"POLYGON((0 0,0 9,9 9,9 0,0 0),(0 0,2 1,2 2,1 2,0 0))",
1, 3, 2 * std::sqrt(2.0));
// several linestrings are in the output, the result is geometrically correct
// still single linestring could be generated
test_one_lp<LineString, LineString, Polygon>("case39",
"LINESTRING(0 0,1 1,2 2,3 3)",
"POLYGON((0 0,0 9,9 9,9 0,0 0),(0 0,2 1,2 2,1 2,0 0),(2 2,3 2,3 3,2 3,2 2))",
2, 5, 3 * std::sqrt(2.0));
test_one_lp<LineString, LineString, Polygon>("case40",
"LINESTRING(0 0,1 1,2 2,4 4)",
"POLYGON((0 0,0 9,9 9,9 0,0 0),(0 0,2 1,2 2,1 2,0 0),(2 2,3 2,3 3,2 3,2 2))",
2, 5, 3 * std::sqrt(2.0));
test_one_lp<LineString, LineString, Polygon>("case41",
"LINESTRING(0 0,1 1,2 2,9 9)",
"POLYGON((0 0,0 9,9 9,9 0,0 0),(0 0,2 1,2 2,1 2,0 0),(2 2,3 2,3 3,2 3,2 2),(7 7,8 7,9 9,7 8,7 7))",
3, 7, 5 * std::sqrt(2.0));
}
template <typename P>
void test_all()
{
typedef bg::model::polygon<P> polygon;
typedef bg::model::linestring<P> linestring;
test_areal_linear<polygon, linestring>();
}
int test_main(int, char* [])
{
test_all<bg::model::d2::point_xy<double> >();
test_ticket_10835<int>
("MULTILINESTRING((5239 2113,5233 2114),(4794 2205,1020 2986))",
"MULTILINESTRING((5239 2113,5233 2114),(4794 2205,1460 2895))");
test_ticket_10835<double>
("MULTILINESTRING((5239 2113,5232.52 2114.34),(4794.39 2205,1020 2986))",
"MULTILINESTRING((5239 2113,5232.52 2114.34),(4794.39 2205,1459.78 2895))");
#if ! defined(BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE)
test_all<bg::model::d2::point_xy<float> >();
#endif
return 0;
}
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