boost/libs/geometry/test/algorithms/relational_operations/disjoint/multi_disjoint.cpp

// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test

// Copyright (c) 2012 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)


#include "test_disjoint.hpp"

#include <boost/geometry/strategies/strategies.hpp>

#include <boost/geometry/multi/algorithms/detail/sections/range_by_section.hpp>
#include <boost/geometry/multi/algorithms/detail/sections/sectionalize.hpp>
#include <boost/geometry/multi/algorithms/detail/point_on_border.hpp>
#include <boost/geometry/multi/algorithms/detail/for_each_range.hpp>
#include <boost/geometry/multi/algorithms/within.hpp>
#include <boost/geometry/multi/core/closure.hpp>
#include <boost/geometry/multi/core/geometry_id.hpp>
#include <boost/geometry/multi/core/ring_type.hpp>
#include <boost/geometry/multi/views/detail/range_type.hpp>


#include <boost/geometry/geometries/geometries.hpp>
#include <boost/geometry/geometries/point_xy.hpp>

#include <test_common/test_point.hpp>

#include <algorithms/predef_relop.hpp>


template <typename P>
void test_all()
{
    typedef bg::model::linestring<P> ls;
    typedef bg::model::multi_linestring<ls> mls;
    typedef bg::model::polygon<P> polygon;
    typedef bg::model::multi_polygon<polygon> mp;

    test_disjoint<mp, mp>("",
        "MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)))",
            "MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)))",
        false);

    // True disjoint
    test_disjoint<mp, mp>("",
        "MULTIPOLYGON(((0 0,0 4,4 4,4 0,0 0)))",
            "MULTIPOLYGON(((6 6,6 10,10 10,10 6,6 6)))",
        true);

    // Touch -> not disjoint
    test_disjoint<mp, mp>("",
        "MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)))",
            "MULTIPOLYGON(((5 5,5 10,10 10,10 5,5 5)))",
        false);

    // Not disjoint but no IP's
    test_disjoint<mp, mp>("no_ips",
        "MULTIPOLYGON(((2 2,2 8,8 8,8 2,2 2)),((20 0,20 10,30 10,30 0,20 0)))",
            "MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)),((22 2,28 2,28 8,22 8,22 2)))",
        false);

    // Not disjoint and not inside each other (in first ring) but wrapped (in second rings)
    test_disjoint<mp, mp>("no_ips2",
        "MULTIPOLYGON(((2 2,2 8,8 8,8 2,2 2)),((20 0,20 10,30 10,30 0,20 0)))",
            "MULTIPOLYGON(((2 12,2 18,8 18,8 12,2 12)),((22 2,28 2,28 8,22 8,22 2)))",
        false);

    test_disjoint<mp, mp>("no_ips2_rev",
        "MULTIPOLYGON(((2 12,2 18,8 18,8 12,2 12)),((22 2,28 2,28 8,22 8,22 2)))",
        "MULTIPOLYGON(((2 2,2 8,8 8,8 2,2 2)),((20 0,20 10,30 10,30 0,20 0)))",
        false);


    test_disjoint<P, mp>("point_mp1",
        "POINT(0 0)",
        "MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)))",
        false);

    test_disjoint<P, mp>("point_mp2",
        "POINT(5 5)",
        "MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)))",
        false);

    test_disjoint<P, mp>("point_mp1",
        "POINT(11 11)",
        "MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)))",
        true);

    std::string polygon_inside_hole("MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0), (2 2,8 2,8 8,2 8,2 2)),((4 4,4 6,6 6,6 4,4 4)))");
    test_disjoint<P, mp>("point_mp_pih1",
        "POINT(5 5)",
        polygon_inside_hole,
        false);

    test_disjoint<P, mp>("point_mp_pih2",
        "POINT(3 3)",
        polygon_inside_hole,
        true);

    test_disjoint<mp, P>("point_mp1rev",
        "MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)))",
        "POINT(0 0)",
        false);

    // assertion failure in 1.57
    test_disjoint<ls, mls>("point_l_ml_assert_1_57",
        "LINESTRING(-2305843009213693956 4611686018427387906, -33 -92, 78 83)",
        "MULTILINESTRING((20 100, 31 -97, -46 57, -20 -4))",
        false);
    test_disjoint<ls, mls>("point_l_ml_assert_1_57",
        "LINESTRING(-2305843009213693956 4611686018427387906, -33 -92, 78 83)",
        "MULTILINESTRING((20 100, 31 -97, -46 57, -20 -4),(-71 -4))",
        false);
}

int test_main(int, char* [])
{
    //test_all<bg::model::d2::point_xy<float> >();
    test_all<bg::model::d2::point_xy<double> >();

#ifdef HAVE_TTMATH
    test_all<bg::model::d2::point_xy<ttmath_big> >();
#endif

    return 0;
}


/*
with viewy as
(
select geometry::STGeomFromText('MULTIPOLYGON(((2 2,2 8,8 8,8 2,2 2)),((20 0,20 10,30 10,30 0,20 0)))',0) as p
     , geometry::STGeomFromText('MULTIPOLYGON(((2 12,2 18,8 18,8 12,2 12)),((22 2,28 2,28 8,22 8,22 2)))',0) as q
)
 select p from viewy union all select q from viewy
-- select p.STDisjoint(q) from viewy
*/