ceph/src/boost/libs/geometry/test/algorithms/overlay/traverse_gmp.cpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2 // Unit Test
   3
   4 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
   5 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
   6 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
   7
   8 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
   9 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
  10
  11 // Use, modification and distribution is subject to the Boost Software License,
  12 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  13 // http://www.boost.org/LICENSE_1_0.txt)
  14
  15 #error This unit test is not updated for several years
  16
  17
  18 #if defined(_MSC_VER)
  19 #pragma warning( disable : 4244 )
  20 #pragma warning( disable : 4267 )
  21 #endif
  22
  23 //#define GEOMETRY_DEBUG_INTERSECTION
  24
  25
  26 #include <iostream>
  27 #include <iomanip>
  28 #include <string>
  29 #include <fstream>
  30
  31 #include <boost/numeric_adaptor/numeric_adaptor.hpp>
  32 #include <boost/numeric_adaptor/gmp_value_type.hpp>
  33
  34 #include <boost/geometry/geometry.hpp>
  35 #include <boost/geometry/geometries/geometries.hpp>
  36 #include <boost/geometry/geometries/point_xy.hpp>
  37
  38 #include <boost/geometry/algorithms/detail/overlay/turn_info.hpp>
  39 #include <boost/geometry/algorithms/detail/overlay/enrichment_info.hpp>
  40 #include <boost/geometry/algorithms/detail/overlay/traversal_info.hpp>
  41 #include <boost/geometry/algorithms/detail/overlay/get_turns.hpp>
  42 #include <boost/geometry/algorithms/detail/overlay/enrich_intersection_points.hpp>
  43 #include <boost/geometry/algorithms/detail/overlay/traverse.hpp>
  44
  45
  46
  47 #include <boost/geometry/io/wkt/wkt.hpp>
  48
  49 #if defined(TEST_WITH_SVG)
  50 #  include <boost/geometry/io/svg/svg_mapper.hpp>
  51 #endif
  52
  53
  54
  55 template <typename OutputType, typename G1, typename G2>
  56 void test_traverse(std::string const& caseid, G1 const& g1, G2 const& g2)
  57 {
  58     typedef bg::detail::intersection::intersection_point
  59         <typename bg::point_type<G2>::type> ip;
  60     typedef typename boost::range_const_iterator<std::vector<ip> >::type iterator;
  61     typedef std::vector<ip> ip_vector;
  62     ip_vector ips;
  63
  64     typedef typename bg::strategy::side::services::default_strategy
  65             <
  66                 typename bg::cs_tag<G1>::type
  67             >::type strategy_type;
  68
  69
  70     typedef bg::detail::overlay::traversal_turn_info
  71         <
  72             typename bg::point_type<G2>::type
  73         > turn_info;
  74     typedef typename boost::range_iterator<const std::vector<turn_info> >::type iterator;
  75     std::vector<turn_info> ips;
  76
  77     bg::get_turns<false, false, bg::detail::overlay::assign_null_policy>(g1, g2, ips);
  78     bg::enrich_intersection_points(ips, g1, g2, strategy_type());
  79
  80     typedef bg::model::ring<typename bg::point_type<G2>::type> ring_type;
  81     typedef std::vector<ring_type> out_vector;
  82     out_vector v;
  83
  84
  85
  86     bg::traverse
  87         <
  88             strategy_type,
  89             ring_type
  90         >
  91         (
  92             g1, g2, -1, ips, std::back_inserter(v)
  93         );
  94
  95
  96
  97 #if defined(TEST_WITH_SVG)
  98     {
  99         std::ostringstream filename;
 100         filename << "intersection_" << caseid << ".svg";
 101
 102         std::ofstream svg(filename.str().c_str());
 103
 104         // Trick to have this always LongDouble
 105         //typedef bg::model::d2::point_xy<long double> P;
 106         typedef typename bg::point_type<G1>::type P;
 107         //typename bg::replace_point_type<G1, P>::type rg1;
 108         //typename bg::replace_point_type<G2, P>::type rg2;
 109
 110         bg::svg_mapper<P> mapper(svg, 1000, 800);
 111
 112         mapper.add(g1);
 113         mapper.add(g2);
 114
 115         // Input shapes in green/blue
 116         mapper.map(g1, "opacity:0.8;fill:rgb(0,255,0);"
 117                 "stroke:rgb(0,0,0);stroke-width:1");
 118         mapper.map(g2, "opacity:0.8;fill:rgb(0,0,255);"
 119                 "stroke:rgb(0,0,0);stroke-width:1");
 120
 121         // Traversal rings in red
 122         for (typename out_vector::const_iterator it = boost::begin(v);
 123             it != boost::end(v);
 124             ++it)
 125         {
 126             mapper.map(*it, "fill-opacity:0.1;stroke-opacity:0.9;"
 127                 "fill:rgb(255,0,0);stroke:rgb(255,0,0);stroke-width:5");
 128
 129             std::cout << bg::wkt(*it) << std::endl;
 130             std::cout << bg::area(*it) << std::endl;
 131         }
 132
 133         // IP's in orange
 134         for (iterator it = boost::begin(ips); it != boost::end(ips); ++it)
 135         {
 136             mapper.map(it->point, "fill:rgb(255,128,0);"
 137                     "stroke:rgb(0,0,100);stroke-width:1");
 138         }
 139     }
 140 #endif
 141 }
 142
 143 template <typename OutputType, typename G1, typename G2>
 144 void test_one(std::string const& caseid, std::string const& wkt1, std::string const& wkt2)
 145 {
 146     G1 g1;
 147     bg::read_wkt(wkt1, g1);
 148
 149     G2 g2;
 150     bg::read_wkt(wkt2, g2);
 151
 152     bg::correct(g1);
 153     bg::correct(g2);
 154     std::cout << "area1 " << bg::area(g1) << " "  << " area2: "  << bg::area(g2) << std::endl;
 155
 156     test_traverse<OutputType>(caseid, g1, g2);
 157 }
 158
 159
 160 #if ! defined(GEOMETRY_TEST_MULTI)
 161
 162 template <typename P>
 163 void test_traverse_gmp(std::string const& caseid)
 164 {
 165     typedef bg::model::polygon<P> polygon;
 166     std::cout << typeid(typename bg::coordinate_type<P>::type).name() << std::endl;
 167     std::cout << std::setprecision(30) << std::numeric_limits<float>::epsilon() << std::endl;
 168     std::cout << std::setprecision(30) << std::numeric_limits<double>::epsilon() << std::endl;
 169     std::cout << std::setprecision(30) << std::numeric_limits<long double>::epsilon() << std::endl;
 170
 171     static std::string brandon[3] =
 172         {
 173             //37.43402099609375 1.470055103302002,
 174         "POLYGON((37.29449462890625 1.7902572154998779,37.000419616699219 1.664225697517395,37.140213012695313 1.3446992635726929,50.974888957147442 -30.277285722290763,57.297810222148939 -37.546793343968417,41.590042114257813 -7.2021245956420898,40.6978759765625 -5.4500408172607422,40.758884429931641 -5.418975830078125,42.577911376953125 -4.4901103973388672,42.577877044677734 -4.4900407791137695,42.699958801269531 -4.4278755187988281,46.523914387974358 -8.5152102535033496,47.585065917176543 -6.1314922196594779,45.389434814453125 -4.5143837928771973,46.296027072709599 -2.4984308554828116,37.29449462890625 1.7902572154998779))",
 175         "POLYGON((42.399410247802734 1.4956772327423096,42.721500396728516 2.2342472076416016,42.721500396728516 3.6584999561309814,51.20102152843122 7.1738039562841562,51.370888500897557 7.4163459734570729,37.43402099609375 1.470055103302002,37.29449462890625 1.7902572154998779,37.000419616699219 1.664225697517395,37.140213012695313 1.3446992635726929,36.954700469970703 1.2597870826721191,26.472516656201325 -3.5380830513658776,27.069889344709196 -4.2926591211028242,30.501169204711914 -2.3718316555023193,32.708126068115234 -2.3611266613006592,32.708126068115234 -2.3611700534820557,32.708168029785156 -2.3611698150634766,32.718830108642578 -4.3281683921813965,29.135100397190627 -8.9262827849488211,29.619997024536133 -9.5368013381958008,30.339155197143555 -8.9838371276855469,30.670633316040039 -8.8180980682373047,30.896280288696289 -9.1206979751586914,30.207040612748258 -10.275926149505661,30.947774887084961 -11.208560943603516,31.669155120849609 -10.653837203979492,32.000633239746094 -10.488097190856934,32.226280212402344 -10.790698051452637,31.682494778186321 -12.133624901803865,32.274600982666016 -12.879127502441406,32.998821258544922 -12.323249816894531,33.339523315429688 -12.147735595703125,33.566280364990234 -12.450697898864746,33.164891643669634 -14.000060288415174,33.598796844482422 -14.546377182006836,34.328716278076172 -13.992490768432617,34.658355712890625 -13.81736946105957,34.886280059814453 -14.120697975158691,34.634240447128811 -15.85007183479255,34.931102752685547 -16.223842620849609,35.656356811523438 -15.66030216217041,35.963497161865234 -15.476018905639648,37.326129913330078 -17.190576553344727,38.823680877685547 -16.296066284179688,39.966808319091797 -17.625011444091797,40.800632476806641 -17.208097457885742,41.821544647216797 -19.211688995361328,41.988733475572282 -19.945838749437218,57.524304765518266 -37.807195733984784,41.590042114257813 -7.2021245956420898,40.6978759765625 -5.4500408172607422,40.758884429931641 -5.418975830078125,42.577911376953125 -4.4901103973388672,42.577877044677734 -4.4900407791137695,42.699958801269531 -4.4278755187988281,46.559533858616469 -8.435196445683264,47.604561877161387 -6.087697464505224,45.389434814453125 -4.5143837928771973,46.695858001708984 -1.6093428134918213,47.263670054709685 -1.784876824891044,47.830955505371094 -0.69758313894271851,48.43512638981781 -0.81299959072453376,49.071769542946825 0.61489892713413252,43.764598846435547 0.93951499462127686,43.644271850585938 0.96149998903274536,42.399410247802734 1.4956772327423096))",
 176         "POLYGON((43.644271850585938 0.96149998903274536,43.764598846435547 0.93951499462127686,49.071769542946825 0.61489892713413252,48.43512638981781 -0.81299959072453376,47.830955505371094 -0.69758313894271851,47.263670054709685 -1.784876824891044,46.695858001708984 -1.6093428134918213,45.389434814453125 -4.5143837928771973,47.604561877161387 -6.087697464505224,46.559533858616469 -8.435196445683264,42.699958801269531 -4.4278755187988281,42.577877044677734 -4.4900407791137695,42.577911376953125 -4.4901103973388672,40.758884429931641 -5.418975830078125,40.6978759765625 -5.4500408172607422,41.590042114257813 -7.2021245956420898,57.524304765518266 -37.807195733984784,41.988733475572282 -19.945838749437218,41.821544647216797 -19.211688995361328,40.800632476806641 -17.208097457885742,39.966808319091797 -17.625011444091797,38.823680877685547 -16.296066284179688,37.326129913330078 -17.190576553344727,35.963497161865234 -15.476018905639648,35.656356811523438 -15.66030216217041,34.931102752685547 -16.223842620849609,34.634240447128811 -15.85007183479255,34.886280059814453 -14.120697975158691,34.658355712890625 -13.81736946105957,34.328716278076172 -13.992490768432617,33.598796844482422 -14.546377182006836,33.164891643669634 -14.000060288415174,33.566280364990234 -12.450697898864746,33.339523315429688 -12.147735595703125,32.998821258544922 -12.323249816894531,32.274600982666016 -12.879127502441406,31.682494778186321 -12.133624901803865,32.226280212402344 -10.790698051452637,32.000633239746094 -10.488097190856934,31.669155120849609 -10.653837203979492,30.947774887084961 -11.208560943603516,30.207040612748258 -10.275926149505661,30.896280288696289 -9.1206979751586914,30.670633316040039 -8.8180980682373047,30.339155197143555 -8.9838371276855469,29.619997024536133 -9.5368013381958008,29.135100397190627 -8.9262827849488211,32.718830108642578 -4.3281683921813965,32.708168029785156 -2.3611698150634766,32.708126068115234 -2.3611700534820557,32.708126068115234 -2.3611266613006592,30.501169204711914 -2.3718316555023193,27.069889344709196 -4.2926591211028242,26.472516656201325 -3.5380830513658776,36.954700469970703 1.2597870826721191,37.140213012695313 1.3446992635726929,37.000419616699219 1.664225697517395,37.29449462890625 1.7902572154998779,37.43402099609375 1.470055103302002,51.370888500897557 7.4163459734570729,51.20102152843122 7.1738039562841562,42.721500396728516 3.6584999561309814,42.721500396728516 2.2342472076416016,42.399410247802734 1.4956772327423096,43.644271850585938 0.96149998903274536))"
 177         };
 178
 179
 180     // Test the FORWARD case
 181     test_one<polygon, polygon, polygon>(caseid, brandon[0], brandon[1]);
 182 }
 183 #endif
 184
 185
 186
 187 int main(int argc, char** argv)
 188 {
 189     int mode = (argc > 1) ? atol(argv[1]) : 1;
 190     switch(mode)
 191     {
 192         case 1 :
 193             test_traverse_gmp<bg::model::d2::point_xy<float> >("float");
 194             break;
 195         case 2 :
 196             test_traverse_gmp<bg::model::d2::point_xy<double> >("double");
 197             break;
 198         case 3 :
 199             test_traverse_gmp<bg::model::d2::point_xy<long double> >("long double");
 200             break;
 201         case 4 :
 202             #if defined(HAVE_TTMATH)
 203                 test_traverse_gmp<bg::model::d2::point_xy<ttmath_big> >("ttmath_big");
 204             #endif
 205             break;
 206     }
 207     return 0;
 208 }