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203 lines
6.9 KiB
C++
203 lines
6.9 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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//
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2013 Adam Wulkiewicz, Lodz, Poland.
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//
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <algorithms/test_intersects.hpp>
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#include <boost/geometry/geometries/geometries.hpp>
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#include <boost/geometry/geometries/point_xy.hpp>
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#include <boost/geometry/util/rational.hpp>
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template <typename P>
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void test_all()
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{
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typedef bg::model::polygon<P> polygon;
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typedef bg::model::ring<P> ring;
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// intersect <=> ! disjoint (in most cases)
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// so most tests are done in disjoint test.
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// We only test compilation of a few cases.
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test_geometry<P, bg::model::box<P> >("POINT(1 1)", "BOX(0 0,2 2)", true);
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test_geometry<polygon, bg::model::box<P> >(
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"POLYGON((1992 3240,1992 1440,3792 1800,3792 3240,1992 3240))",
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"BOX(1941 2066, 2055 2166)", true);
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test_geometry<ring, bg::model::box<P> >(
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"POLYGON((1992 3240,1992 1440,3792 1800,3792 3240,1992 3240))",
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"BOX(1941 2066, 2055 2166)", true);
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test_geometry<polygon, bg::model::box<P> >(
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"POLYGON((1941 2066,2055 2066,2055 2166,1941 2166))",
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"BOX(1941 2066, 2055 2166)", true);
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// self-intersecting is not tested in disjoint, so that is done here.
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// Just a normal polygon
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test_self_intersects<polygon>("POLYGON((0 0,0 4,1.5 2.5,2.5 1.5,4 0,0 0))", false);
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// Self intersecting
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test_self_intersects<polygon>("POLYGON((1 2,1 1,2 1,2 2.25,3 2.25,3 0,0 0,0 3,3 3,2.75 2,1 2))", true);
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// Self intersecting in last segment
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test_self_intersects<polygon>("POLYGON((0 2,2 4,2 0,4 2,0 2))", true);
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// Self tangent
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test_self_intersects<polygon>("POLYGON((0 0,0 4,4 4,4 0,2 4,0 0))", true);
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// Self tangent in corner
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test_self_intersects<polygon>("POLYGON((0 0,0 4,4 4,4 0,0 4,2 0,0 0))", true);
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// With spike
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test_self_intersects<polygon>("POLYGON((0 0,0 4,4 4,4 2,6 2,4 2,4 0,0 0))", true);
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// Non intersection, but with duplicate
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test_self_intersects<polygon>("POLYGON((0 0,0 4,4 0,4 0,0 0))", false);
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// With many duplicates
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test_self_intersects<polygon>(
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"POLYGON((0 0,0 1,0 1,0 1,0 2,0 2,0 3,0 3,0 3,0 3,0 4,2 4,2 4,4 4,4 0,4 0,3 0,3 0,3 0,3 0,3 0,0 0))",
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false);
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// Hole: interior tangent to exterior
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test_self_intersects<polygon>("POLYGON((0 0,0 4,4 4,4 0,0 0),(1 2,2 4,3 2,1 2))", true);
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// Hole: interior intersecting exterior
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test_self_intersects<polygon>("POLYGON((0 0,0 4,4 4,4 0,0 0),(1 1,1 3,5 4,1 1))", true);
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// Hole: two intersecting holes
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test_self_intersects<polygon>(
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"POLYGON((0 0,0 4,4 4,4 0,0 0),(1 1,1 3,3 3,3 1,1 1),(2 2,2 3.5,3.5 3.5,3.5 2,2 2))", true);
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// Mail Akira T on [Boost-users] at 27-7-2011 3:17
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test_self_intersects<bg::model::linestring<P> >(
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"LINESTRING(0 0,0 4,4 4,2 2,2 5)", true);
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test_self_intersects<bg::model::linestring<P> >(
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"LINESTRING(0 4,4 4,2 2,2 5)", true);
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// Test self-intersections at last segment in close/open rings:
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test_self_intersects<bg::model::ring<P> >(
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"POLYGON((0 0,3 3,4 1,0 0))", false);
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test_self_intersects<bg::model::ring<P, true, false> >(
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"POLYGON((0 0,3 3,4 1))", false);
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test_self_intersects<bg::model::ring<P> >(
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"POLYGON((0 0,3 3,4 1,0 1,0 0))", true);
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test_self_intersects<bg::model::ring<P, true, false> >(
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"POLYGON((0 0,3 3,4 1,0 1))", true);
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// Duplicates in first or last
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test_self_intersects<bg::model::ring<P> >(
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"POLYGON((0 0,3 3,4 1,0 1,0 1,0 0))", true);
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test_self_intersects<bg::model::ring<P> >(
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"POLYGON((0 0,3 3,4 1,0 1,0 0,0 0))", true);
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test_self_intersects<bg::model::ring<P, true, false> >(
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"POLYGON((0 0,3 3,4 1,0 1,0 1))", true);
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test_self_intersects<bg::model::ring<P> >(
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"POLYGON((0 0,0 0,3 3,4 1,0 1,0 1,0 0))", true);
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test_self_intersects<bg::model::ring<P, true, false> >(
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"POLYGON((0 0,0 0,3 3,4 1,0 1,0 1))", true);
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test_self_intersects<bg::model::ring<P> >(
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"POLYGON((0 0,3 3,3 3,4 1,0 1,0 1,0 0))", true);
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test_self_intersects<bg::model::ring<P, true, false> >(
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"POLYGON((0 0,3 3,3 3,4 1,0 1,0 1))", true);
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test_self_intersects<bg::model::ring<P> >(
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"POLYGON((0 0,3 3,4 1,0 0,0 0))", false);
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test_self_intersects<bg::model::ring<P> >(
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"POLYGON((0 0,3 3,4 1,4 1,0 0))", false);
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test_self_intersects<bg::model::ring<P, true, false> >(
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"POLYGON((0 0,3 3,4 1,4 1))", false);
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test_self_intersects<bg::model::ring<P> >(
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"POLYGON((0 0,0 0,3 3,4 1,0 0))", false);
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test_self_intersects<bg::model::ring<P, true, false> >(
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"POLYGON((0 0,0 0,3 3,4 1))", false);
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test_self_intersects<bg::model::ring<P> >(
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"POLYGON((0 0,3 3,3 3,4 1,0 0))", false);
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test_self_intersects<bg::model::ring<P, true, false> >(
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"POLYGON((0 0,3 3,3 3,4 1))", false);
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test_geometry<P, bg::model::box<P> >(
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"POINT(0 0)",
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"BOX(0 0,4 4)",
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true);
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test_geometry<P, bg::model::ring<P> >(
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"POINT(0 0)",
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"POLYGON((0 0,3 3,3 3,4 1))",
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true);
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test_geometry<P, bg::model::polygon<P> >(
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"POINT(0 0)",
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"POLYGON((0 0,3 3,3 3,4 1))",
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true);
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test_geometry<bg::model::ring<P>, P>(
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"POLYGON((0 0,3 3,3 3,4 1))",
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"POINT(0 0)",
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true);
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test_geometry<bg::model::polygon<P>, P>(
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"POLYGON((0 0,3 3,3 3,4 1))",
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"POINT(0 0)",
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true);
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}
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// Those tests won't pass for rational<> because numeric_limits<> isn't specialized for this type
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template <typename P>
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void test_additional()
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{
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test_geometry<bg::model::segment<P>, bg::model::box<P> >(
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"SEGMENT(0 0,3 3)",
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"BOX(1 2,3 5)",
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true);
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test_geometry<bg::model::segment<P>, bg::model::box<P> >(
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"SEGMENT(1 1,2 3)",
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"BOX(0 0,4 4)",
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true);
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test_geometry<bg::model::segment<P>, bg::model::box<P> >(
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"SEGMENT(1 1,1 1)",
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"BOX(1 0,3 5)",
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true);
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test_geometry<bg::model::segment<P>, bg::model::box<P> >(
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"SEGMENT(0 1,0 1)",
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"BOX(1 0,3 5)",
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false);
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test_geometry<bg::model::segment<P>, bg::model::box<P> >(
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"SEGMENT(2 1,2 1)",
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"BOX(1 0,3 5)",
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true);
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test_geometry<bg::model::linestring<P>, bg::model::box<P> >(
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"LINESTRING(0 0,1 0,10 10)",
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"BOX(1 2,3 5)",
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true);
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test_geometry<bg::model::linestring<P>, bg::model::box<P> >(
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"LINESTRING(1 2)",
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"BOX(0 0,3 5)",
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true);
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}
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int test_main( int , char* [] )
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{
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test_all<bg::model::d2::point_xy<double> >();
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test_additional<bg::model::d2::point_xy<double> >();
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test_all<bg::model::d2::point_xy<boost::rational<int> > >();
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#if defined(HAVE_TTMATH)
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test_all<bg::model::d2::point_xy<ttmath_big> >();
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#endif
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return 0;
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}
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