ceph/src/boost/libs/geometry/test/algorithms/set_operations/difference/difference_multi_areal_linear.cpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2 // Unit Test
   3
   4 // Copyright (c) 2010-2015 Barend Gehrels, Amsterdam, the Netherlands.
   5
   6 // Use, modification and distribution is subject to the Boost Software License,
   7 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   8 // http://www.boost.org/LICENSE_1_0.txt)
   9
  10 #include <iostream>
  11 #include <string>
  12
  13 // If defined, tests are run without rescaling-to-integer or robustness policy
  14 // This multi_difference currently contains no tests for double which then fail
  15 // #define BOOST_GEOMETRY_NO_ROBUSTNESS
  16
  17 //#define HAVE_TTMATH
  18 //#define BOOST_GEOMETRY_DEBUG_ASSEMBLE
  19 //#define BOOST_GEOMETRY_CHECK_WITH_SQLSERVER
  20
  21 //#define BOOST_GEOMETRY_DEBUG_SEGMENT_IDENTIFIER
  22 //#define BOOST_GEOMETRY_DEBUG_FOLLOW
  23 //#define BOOST_GEOMETRY_DEBUG_TRAVERSE
  24
  25
  26 #include "test_difference.hpp"
  27 #include <algorithms/test_overlay.hpp>
  28 #include <algorithms/overlay/multi_overlay_cases.hpp>
  29
  30 #include <boost/geometry/geometries/point_xy.hpp>
  31 #include <boost/geometry/geometries/multi_linestring.hpp>
  32 #include <boost/geometry/geometries/multi_polygon.hpp>
  33
  34 #include <boost/geometry/io/wkt/read.hpp>
  35
  36
  37 template <typename MultiPolygon, typename MultiLineString>
  38 void test_areal_linear()
  39 {
  40     typedef typename boost::range_value<MultiPolygon>::type polygon;
  41     typedef typename boost::range_value<MultiLineString>::type linestring;
  42     typedef typename bg::point_type<polygon>::type point;
  43     typedef bg::model::ring<point> ring;
  44
  45     test_one_lp<linestring, linestring, MultiPolygon>("case_mp_ls_1", "LINESTRING(2 0,2 5)", case_multi_simplex[0], 2, 4, 1.30);
  46     test_one_lp<linestring, MultiLineString, polygon>("case_p_mls_1", "MULTILINESTRING((2 0,2 5),(3 0,3 5))", case_single_simplex, 3, 6, 2.5);
  47     test_one_lp<linestring, MultiLineString, MultiPolygon>("case_mp_mls_1", "MULTILINESTRING((2 0,2 5),(3 0,3 5))", case_multi_simplex[0], 5, 10, 3.1666667);
  48     test_one_lp<linestring, MultiLineString, ring>("case_r_mls_1", "MULTILINESTRING((2 0,2 5),(3 0,3 5))", case_single_simplex, 3, 6, 2.5);
  49
  50     // Collinear cases, with multiple turn points at the same location
  51     test_one_lp<linestring, linestring, MultiPolygon>("case_mp_ls_2a", "LINESTRING(1 0,1 1,2 1,2 0)", "MULTIPOLYGON(((0 0,0 1,1 1,1 0,0 0)),((1 1,1 2,2 2,2 1,1 1)))", 1, 2, 1.0);
  52     test_one_lp<linestring, linestring, MultiPolygon>("case_mp_ls_2b", "LINESTRING(1 0,1 1,2 1,2 0)", "MULTIPOLYGON(((1 1,1 2,2 2,2 1,1 1)),((0 0,0 1,1 1,1 0,0 0)))", 1, 2, 1.0);
  53
  54     test_one_lp<linestring, linestring, MultiPolygon>("case_mp_ls_3",
  55             "LINESTRING(6 6,6 7,7 7,7 6,8 6,8 7,9 7,9 6)",
  56             "MULTIPOLYGON(((5 7,5 8,6 8,6 7,5 7)),((6 6,6 7,7 7,7 6,6 6)),((8 8,9 8,9 7,8 7,7 7,7 8,8 8)))", 2, 5, 3.0);
  57
  58     return;
  59
  60     // TODO: this case contains collinearities and should still be solved
  61     test_one_lp<linestring, linestring, MultiPolygon>("case_mp_ls_4",
  62             "LINESTRING(0 5,0 6,1 6,1 5,2 5,2 6,3 6,3 5,3 4,3 3,2 3,2 4,1 4,1 3,0 3,0 4)",
  63             "MULTIPOLYGON(((0 2,0 3,1 2,0 2)),((2 5,3 6,3 5,2 5)),((1 5,1 6,2 6,2 5,1 5)),((2 3,2 4,3 4,2 3)),((0 3,1 4,1 3,0 3)),((4 3,3 3,3 5,4 5,4 4,4 3)))", 5, 11, 6.0);
  64 }
  65
  66
  67 template <typename P>
  68 void test_all()
  69 {
  70     typedef bg::model::polygon<P> polygon;
  71     typedef bg::model::linestring<P> linestring;
  72     typedef bg::model::multi_polygon<polygon> multi_polygon;
  73     typedef bg::model::multi_linestring<linestring> multi_linestring;
  74     test_areal_linear<multi_polygon, multi_linestring>();
  75 }
  76
  77
  78 int test_main(int, char* [])
  79 {
  80     test_all<bg::model::d2::point_xy<double> >();
  81
  82 #if ! defined(BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE)
  83     test_all<bg::model::d2::point_xy<float> >();
  84 #endif
  85
  86     return 0;
  87 }