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355 lines
13 KiB
C++
355 lines
13 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library) test file
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//
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// Copyright Barend Gehrels 2007-2009, Geodan, Amsterdam, the Netherlands
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// Copyright Bruno Lalande 2008, 2009
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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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//#define BOOST_GEOMETRY_DEBUG_TRAVERSE
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//#define BOOST_GEOMETRY_DEBUG_ASSEMBLE
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//#define BOOST_GEOMETRY_DEBUG_IDENTIFIER
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#include <algorithms/test_intersection.hpp>
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#include <algorithms/test_overlay.hpp>
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#include <boost/geometry/geometries/adapted/std_as_linestring.hpp>
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#include <test_common/test_point.hpp>
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#include <test_common/with_pointer.hpp>
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#include <test_geometries/custom_segment.hpp>
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template <typename Polygon>
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void test_areal()
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{
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test_one<Polygon, Polygon, Polygon>("simplex_normal",
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simplex_normal[0], simplex_normal[1],
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1, 7, 5.47363293);
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test_one<Polygon, Polygon, Polygon>("star_ring", example_star, example_ring,
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1, 18, 2.80983);
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test_one<Polygon, Polygon, Polygon>("star_poly", example_star, example_polygon,
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1, 0, // CLN: 23 points, other types: 22 point (one is merged)
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2.5020508);
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test_one<Polygon, Polygon, Polygon>("first_within_second1",
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first_within_second[0], first_within_second[1],
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1, 5, 1.0);
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test_one<Polygon, Polygon, Polygon>("first_within_second2",
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first_within_second[1], first_within_second[0],
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1, 5, 1.0);
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test_one<Polygon, Polygon, Polygon>("first_within_hole_of_second",
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first_within_hole_of_second[0], first_within_hole_of_second[1],
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0, 0, 0.0);
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// Two forming new hole
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test_one<Polygon, Polygon, Polygon>("new_hole",
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new_hole[0], new_hole[1],
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2, 10, 2.0);
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// Two identical
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test_one<Polygon, Polygon, Polygon>("identical",
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identical[0], identical[1],
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1, 5, 1.0);
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test_one<Polygon, Polygon, Polygon>("intersect_exterior_and_interiors_winded",
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intersect_exterior_and_interiors_winded[0], intersect_exterior_and_interiors_winded[1],
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1, 14, 25.2166667);
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test_one<Polygon, Polygon, Polygon>("intersect_holes_disjoint",
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intersect_holes_disjoint[0], intersect_holes_disjoint[1],
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1, 15, 18.0);
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test_one<Polygon, Polygon, Polygon>("intersect_holes_intersect",
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intersect_holes_intersect[0], intersect_holes_intersect[1],
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1, 14, 18.25);
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test_one<Polygon, Polygon, Polygon>("intersect_holes_intersect_and_disjoint",
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intersect_holes_intersect_and_disjoint[0], intersect_holes_intersect_and_disjoint[1],
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1, 19, 17.25);
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test_one<Polygon, Polygon, Polygon>("intersect_holes_intersect_and_touch",
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intersect_holes_intersect_and_touch[0], intersect_holes_intersect_and_touch[1],
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1, 23, 17.25);
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test_one<Polygon, Polygon, Polygon>("intersect_holes_new_ring",
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intersect_holes_new_ring[0], intersect_holes_new_ring[1],
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2, 23, 122.1039);
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test_one<Polygon, Polygon, Polygon>("winded",
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winded[0], winded[1],
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1, 22, 40.0);
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test_one<Polygon, Polygon, Polygon>("within_holes_disjoint",
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within_holes_disjoint[0], within_holes_disjoint[1],
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1, 15, 23.0);
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test_one<Polygon, Polygon, Polygon>("side_side",
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side_side[0], side_side[1],
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0, 0, 0.0);
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test_one<Polygon, Polygon, Polygon>("two_bends",
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two_bends[0], two_bends[1],
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1, 7, 24.0);
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test_one<Polygon, Polygon, Polygon>("star_comb_15",
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star_comb_15[0], star_comb_15[1],
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28, 150, 189.952883);
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test_one<Polygon, Polygon, Polygon>("simplex_normal",
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simplex_normal[0], simplex_normal[1],
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1, 7, 5.47363293);
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test_one<Polygon, Polygon, Polygon>("distance_zero",
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distance_zero[0], distance_zero[1],
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1, 0 /* f: 4, other: 5 */, 0.29516139, 0.01);
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test_one<Polygon, Polygon, Polygon>("equal_holes_disjoint",
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equal_holes_disjoint[0], equal_holes_disjoint[1],
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1, 20, 81 - 2 * 3 * 3 - 3 * 7);
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test_one<Polygon, Polygon, Polygon>("only_hole_intersections1",
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only_hole_intersections[0], only_hole_intersections[1],
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1, 21, 178.090909);
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test_one<Polygon, Polygon, Polygon>("only_hole_intersection2",
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only_hole_intersections[0], only_hole_intersections[2],
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1, 21, 149.090909);
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test_one<Polygon, Polygon, Polygon>("fitting",
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fitting[0], fitting[1],
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0, 0, 0);
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test_one<Polygon, Polygon, Polygon>("crossed",
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crossed[0], crossed[1],
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3, 0, 1.5);
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#ifdef _MSC_VER
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{
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// Isovist (submitted by Brandon during Formal Review)
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std::string tn = string_from_type<typename bg::coordinate_type<Polygon>::type>::name();
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test_one<Polygon, Polygon, Polygon>("isovist",
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isovist1[0], isovist1[1],
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1,
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tn == std::string("f") ? 19 : tn == std::string("d") ? 22 : 20,
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88.19203,
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tn == std::string("f") ? 0.5 : tn == std::string("d") ? 0.1 : 0.01);
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}
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#endif
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return;
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test_one<Polygon, Polygon, Polygon>(
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"polygon_pseudo_line",
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"Polygon((0 0,0 4,4 4,4 0,0 0))",
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"Polygon((2 -2,2 -1,2 6,2 -2))",
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5, 22, 1.1901714);
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// Test the REVERSE case - does not give correct results yet
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/*
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test_one<Polygon, Polygon, Polygon>("icovist_r",
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isovist[0], isovist[2],
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1, 4, 0.29516139, 0.01);
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*/
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}
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template <typename Polygon, typename Box>
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void test_areal_clip()
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{
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test_one<Polygon, Box, Polygon>("boxring", example_box, example_ring,
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2, 12, 1.09125);
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test_one<Polygon, Polygon, Box>("boxring2", example_ring,example_box,
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2, 12, 1.09125);
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test_one<Polygon, Box, Polygon>("boxpoly", example_box, example_polygon,
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3, 19, 0.840166);
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test_one<Polygon, Box, Polygon>("poly1", example_box,
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"POLYGON((3.4 2,4.1 3,5.3 2.6,5.4 1.2,4.9 0.8,2.9 0.7,2 1.3,2.4 1.7,2.8 1.8,3.4 1.2,3.7 1.6,3.4 2))",
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2, 12, 1.09125);
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test_one<Polygon, Box, Polygon>("clip_poly2", example_box,
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"POLYGON((2 1.3,2.4 1.7,2.8 1.8,3.4 1.2,3.7 1.6,3.4 2,4.1 2.5,5.3 2.5,5.4 1.2,4.9 0.8,2.9 0.7,2 1.3))",
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2, 12, 1.00375);
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test_one<Polygon, Box, Polygon>("clip_poly3", example_box,
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"POLYGON((2 1.3,2.4 1.7,2.8 1.8,3.4 1.2,3.7 1.6,3.4 2,4.1 2.5,4.5 2.5,4.5 1.2,4.9 0.8,2.9 0.7,2 1.3))",
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2, 12, 1.00375);
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test_one<Polygon, Box, Polygon>("clip_poly4", example_box,
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"POLYGON((2 1.3,2.4 1.7,2.8 1.8,3.4 1.2,3.7 1.6,3.4 2,4.1 2.5,4.5 2.5,4.5 2.3,5.0 2.3,5.0 2.1,4.5 2.1,4.5 1.9,4.0 1.9,4.5 1.2,4.9 0.8,2.9 0.7,2 1.3))",
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2, 16, 0.860892);
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test_one<Polygon, Box, Polygon>("clip_poly5", example_box,
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"POLYGON((2 1.3,2.4 1.7,2.8 1.8,3.4 1.2,3.7 1.6,3.4 2,4.1 2.5,4.5 1.2,2.9 0.7,2 1.3))",
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2, 11, 0.7575961);
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test_one<Polygon, Box, Polygon>("clip_poly6", example_box,
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"POLYGON((2 1.3,2.4 1.7,2.8 1.8,3.4 1.2,3.7 1.6,3.4 2,4.0 3.0,5.0 2.0,2.9 0.7,2 1.3))",
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2, 13, 1.0744456);
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test_one<Polygon, Box, Polygon>("clip_poly7", "Box(0 0, 3 3)",
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"POLYGON((2 2, 1 4, 2 4, 3 3, 2 2))", 1, 4, 0.75);
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}
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template <typename Box>
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void test_boxes(std::string const& wkt1, std::string const& wkt2, double expected_area, bool expected_result)
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{
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Box box1, box2;
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bg::read_wkt(wkt1, box1);
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bg::read_wkt(wkt2, box2);
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Box box_out;
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bool detected = bg::intersection(box1, box2, box_out);
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typename bg::area_result<Box>::type area = bg::area(box_out);
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BOOST_CHECK_EQUAL(detected, expected_result);
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if (detected && expected_result)
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{
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BOOST_CHECK_CLOSE(area, expected_area, 0.01);
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}
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}
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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::linestring<P> linestring;
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typedef bg::model::polygon<P> polygon;
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typedef bg::model::box<P> box;
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typedef bg::model::segment<P> segment;
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typedef bg::model::polygon<P, false> polygon_ccw;
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typedef bg::model::polygon<P, true, false> polygon_open;
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typedef bg::model::polygon<P, false, false> polygon_ccw_open;
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std::string clip = "box(2 2,8 8)";
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// Test polygons clockwise and counter clockwise
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test_areal<polygon>();
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test_areal<polygon_ccw>();
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test_areal<polygon_open>();
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test_areal<polygon_ccw_open>();
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test_areal_clip<polygon, box>();
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test_areal_clip<polygon_ccw, box>();
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#if defined(TEST_FAIL_DIFFERENT_ORIENTATIONS)
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// Should NOT compile
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// NOTE: this can probably be relaxed later on.
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test_one<polygon, polygon_ccw, polygon>("simplex_normal",
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simplex_normal[0], simplex_normal[1],
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1, 7, 5.47363293);
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// Output ccw, nyi (should be just reversing afterwards)
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test_one<polygon, polygon, polygon_ccw>("simplex_normal",
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simplex_normal[0], simplex_normal[1],
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1, 7, 5.47363293);
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#endif
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// Basic check: box/linestring, is clipping OK? should compile in any order
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test_one<linestring, linestring, box>("llb", "LINESTRING(0 0,10 10)", clip, 1, 2, sqrt(2.0 * 6.0 * 6.0));
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test_one<linestring, box, linestring>("lbl", clip, "LINESTRING(0 0,10 10)", 1, 2, sqrt(2.0 * 6.0 * 6.0));
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// Box/segment
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test_one<linestring, segment, box>("lsb", "LINESTRING(0 0,10 10)", clip, 1, 2, sqrt(2.0 * 6.0 * 6.0));
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test_one<linestring, box, segment>("lbs", clip, "LINESTRING(0 0,10 10)", 1, 2, sqrt(2.0 * 6.0 * 6.0));
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// Completely inside
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test_one<linestring, linestring, box>("llbi", "LINESTRING(3 3,7 7)", clip, 1, 2, sqrt(2.0 * 4.0 * 4.0));
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// Completely outside
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test_one<linestring, linestring, box>("llbo", "LINESTRING(9 9,10 10)", clip, 0, 0, 0);
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// Touching with point (-> output linestring with ONE point)
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//std::cout << "Note: the output line is degenerate! Might be removed!" << std::endl;
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test_one<linestring, linestring, box>("llb_touch", "LINESTRING(8 8,10 10)", clip, 1, 1, 0.0);
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// Along border
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test_one<linestring, linestring, box>("llb_along", "LINESTRING(2 2,2 8)", clip, 1, 2, 6);
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// Outputting two lines (because of 3-4-5 constructions (0.3,0.4,0.5)
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// which occur 4 times, the length is expected to be 2.0)
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test_one<linestring, linestring, box>("llb_2", "LINESTRING(1.7 1.6,2.3 2.4,2.9 1.6,3.5 2.4,4.1 1.6)", clip, 2, 6, 4 * 0.5);
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// linear
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test_one<P, linestring, linestring>("llp1", "LINESTRING(0 0,1 1)", "LINESTRING(0 1,1 0)", 1, 1, 0);
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test_one<P, segment, segment>("ssp1", "LINESTRING(0 0,1 1)", "LINESTRING(0 1,1 0)", 1, 1, 0);
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test_one<P, linestring, linestring>("llp2", "LINESTRING(0 0,1 1)", "LINESTRING(0 0,2 2)", 2, 2, 0);
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// polygons outputing points
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//test_one<P, polygon, polygon>("ppp1", simplex_normal[0], simplex_normal[1], 1, 7, 5.47363293);
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test_boxes<box>("box(2 2,8 8)", "box(4 4,10 10)", 16, true);
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test_boxes<box>("box(2 2,8 7)", "box(4 4,10 10)", 12, true);
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test_boxes<box>("box(2 2,8 7)", "box(14 4,20 10)", 0, false);
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test_boxes<box>("box(2 2,4 4)", "box(4 4,8 8)", 0, true);
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/*
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test_one<polygon, box, polygon>(99, "box(115041.10 471900.10, 118334.60 474523.40)",
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"POLYGON ((115483.40 474533.40, 116549.40 474059.20, 117199.90 473762.50, 117204.90 473659.50, 118339.40 472796.90, 118334.50 472757.90, 118315.10 472604.00, 118344.60 472520.90, 118277.90 472419.10, 118071.40 472536.80, 118071.40 472536.80, 117943.10 472287.70, 117744.90 472248.40, 117708.00 472034.50, 117481.90 472056.90, 117481.90 472056.90, 117272.30 471890.10, 117077.90 472161.20, 116146.60 473054.50, 115031.10 473603.30, 115483.40 474533.40))",
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1, 26, 3727690.74);
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*/
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}
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void test_pointer_version()
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{
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std::vector<test::test_point_xy*> ln;
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test::test_point_xy* p;
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p = new test::test_point_xy; p->x = 0; p->y = 0; ln.push_back(p);
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p = new test::test_point_xy; p->x = 10; p->y = 10; ln.push_back(p);
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bg::model::box<bg::model::d2::point_xy<double> > box;
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bg::assign(box, 2, 2, 8, 8);
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typedef bg::model::linestring<bg::model::d2::point_xy<double> > output_type;
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std::vector<output_type> clip;
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bg::intersection_inserter<output_type>(box, ln, std::back_inserter(clip));
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double length = 0;
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int n = 0;
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for (std::vector<output_type>::const_iterator it = clip.begin();
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it != clip.end(); ++it)
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{
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length += bg::length(*it);
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n += bg::num_points(*it);
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}
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BOOST_CHECK_EQUAL(clip.size(), 1u);
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BOOST_CHECK_EQUAL(n, 2);
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BOOST_CHECK_CLOSE(length, sqrt(2.0 * 6.0 * 6.0), 0.001);
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for (unsigned int i = 0; i < ln.size(); i++)
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{
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delete ln[i];
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}
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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<float> >();
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test_all<bg::model::d2::point_xy<double> >();
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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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//test_pointer_version();
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return 0;
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}
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