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765060bf5a
Dissolve now outputs, normally, to a vector of the original geometry, or, in case of a multi, to its single type. Like union and intersection Implemented multi_dissolve for not-connected linestrings Fixed some accidental tabs from testcases [SVN r61036]
90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library) test file
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//
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// Copyright Barend Gehrels 2010, Geodan, Amsterdam, the Netherlands
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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 <iostream>
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#include <string>
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#include <algorithms/test_dissolve.hpp>
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#include <boost/geometry/multi/core/is_multi.hpp>
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#include <boost/geometry/multi/algorithms/area.hpp>
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#include <boost/geometry/multi/algorithms/length.hpp>
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#include <boost/geometry/multi/algorithms/dissolve.hpp>
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#include <boost/geometry/multi/algorithms/envelope.hpp>
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#include <boost/geometry/multi/algorithms/num_points.hpp>
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#include <boost/geometry/multi/core/interior_rings.hpp>
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#include <boost/geometry/multi/geometries/multi_linestring.hpp>
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#include <boost/geometry/multi/geometries/multi_polygon.hpp>
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#include <boost/geometry/extensions/gis/io/wkt/read_wkt_multi.hpp>
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#include <boost/geometry/extensions/io/svg/write_svg_multi.hpp>
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template <typename P>
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void test_all()
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{
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namespace bg = boost::geometry;
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typedef bg::polygon<P> polygon;
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typedef bg::multi_polygon<polygon> multi_polygon;
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test_one<multi_polygon, polygon>("three_triangles",
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"MULTIPOLYGON(((1 1,5 5,8 0,1 1)),((4 2,0 8,5 9,4 2)),((5 3,4 8,10 4,5 3)))" ,
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1, 13, 42.614078674948232);
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test_one<multi_polygon, polygon>("simplex_two",
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"MULTIPOLYGON(((0 0,1 4,4 1,0 0)),((2 2,3 6,6 3,2 2)))",
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0, 8, 14.7);
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test_one<multi_polygon, polygon>("simplex_three",
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"MULTIPOLYGON(((0 0,1 4,4 1,0 0)),((2 2,3 6,6 3,2 2)),((3 4,5 6,6 2,3 4)))",
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0, 14, 16.7945);
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test_one<multi_polygon, polygon>("simplex_four",
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"MULTIPOLYGON(((0 0,1 4,4 1,0 0)),((2 2,3 6,6 3,2 2)),((3 4,5 6,6 2,3 4)),((5 5,7 7,8 4,5 5)))",
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0, 18, 20.7581);
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// disjoint
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test_one<multi_polygon, polygon>("simplex_disjoint",
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"MULTIPOLYGON(((0 0,1 4,4 1,0 0)),((1 6,2 10,5 7,1 6)),((3 4,5 6,6 2,3 4)),((6 5,8 7,9 4,6 5)))",
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0, 16, 24.0);
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// new hole of four
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test_one<multi_polygon, polygon>("new_hole",
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"MULTIPOLYGON(((0 0,1 4,4 1,0 0)),((2 2,3 6,6 3,2 2)),((3 4,5 6,6 2,3 4)),((3 1,5 4,8 4,3 1)))",
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1, 18, 19.5206);
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// Linestrings
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typedef bg::linestring<P> linestring;
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typedef bg::multi_linestring<linestring> multi_linestring;
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test_one<multi_linestring, linestring>("ls_simplex",
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"MULTILINESTRING((0 0,1 1),(1 1,2 2))",
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0, 3, 2 * std::sqrt(2.0));
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// Opposites, forming one line
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test_one<multi_linestring, linestring>("ls_simplex_opposite_to",
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"MULTILINESTRING((0 0,1 1),(2 2,1 1))",
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0, 3, 2 * std::sqrt(2.0));
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test_one<multi_linestring, linestring>("ls_simplex_opposite_from",
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"MULTILINESTRING((1 1,0 0),(1 1,2 2))",
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0, 3, 2 * std::sqrt(2.0));
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// Two output linestrings
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test_one<multi_linestring, linestring>("ls_simplex_two",
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"MULTILINESTRING((0 0,1 1),(1 1,2 2),(3 3,4 4),(4 4,5 5))",
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0, 6, 4 * std::sqrt(2.0));
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}
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int test_main(int, char* [])
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{
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test_all<boost::geometry::point_xy<double> >();
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return 0;
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}
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