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 // This file was modified by Oracle on 2017. 9 // Modifications copyright (c) 2017, Oracle and/or its affiliates. 10 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle 11 12 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library 13 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. 14 15 // Use, modification and distribution is subject to the Boost Software License, 16 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 17 // http://www.boost.org/LICENSE_1_0.txt) 18 19 #include <iostream> 20 #include <iomanip> 21 22 #include <geometry_test_common.hpp> 23 24 #define BOOST_GEOMETRY_DEBUG_SEGMENT_IDENTIFIER 25 26 27 #include <boost/geometry/strategies/strategies.hpp> 28 29 #include <boost/geometry/algorithms/correct.hpp> 30 #include <boost/geometry/algorithms/detail/overlay/get_turns.hpp> 31 #include <boost/geometry/policies/robustness/get_rescale_policy.hpp> 32 33 #include <boost/geometry/algorithms/detail/overlay/debug_turn_info.hpp> 34 35 #include <boost/geometry/geometries/geometries.hpp> 36 37 #include <boost/geometry/io/wkt/read.hpp> 38 #include <boost/geometry/io/wkt/write.hpp> 39 40 #if defined(TEST_WITH_SVG) 41 # include <boost/geometry/io/svg/svg_mapper.hpp> 42 #endif 43 44 #include <algorithms/overlay/overlay_cases.hpp> 45 46 47 48 49 // To test that "get_turns" can be called using additional information 50 template <typename Point, typename SegmentRatio> 51 struct my_turn_op : public bg::detail::overlay::turn_operation<Point, SegmentRatio> 52 { 53 }; 54 55 namespace detail 56 { 57 58 struct test_get_turns 59 { 60 template<typename G1, typename G2> applydetail::test_get_turns61 static void apply(std::string const& id, 62 std::size_t expected_count, 63 G1 const& g1, G2 const& g2, double /*precision*/) 64 { 65 typedef typename bg::point_type<G2>::type point_type; 66 67 typedef typename bg::strategy::intersection::services::default_strategy 68 < 69 typename bg::cs_tag<G1>::type 70 >::type strategy_type; 71 72 typedef typename bg::rescale_policy_type<point_type>::type 73 rescale_policy_type; 74 75 strategy_type strategy; 76 77 rescale_policy_type rescale_policy 78 = bg::get_rescale_policy<rescale_policy_type>(g1, g2); 79 80 typedef bg::detail::overlay::turn_info 81 < 82 point_type, 83 typename bg::detail::segment_ratio_type<point_type, rescale_policy_type>::type 84 > turn_info; 85 std::vector<turn_info> turns; 86 87 88 bg::detail::get_turns::no_interrupt_policy policy; 89 bg::get_turns 90 < 91 false, false, bg::detail::overlay::assign_null_policy 92 >(g1, g2, strategy, rescale_policy, turns, policy); 93 94 BOOST_CHECK_MESSAGE( 95 expected_count == boost::size(turns), 96 "get_turns: " << id 97 << " #turns expected: " << expected_count 98 << " detected: " << boost::size(turns) 99 << " type: " << string_from_type 100 <typename bg::coordinate_type<G1>::type>::name() 101 ); 102 103 #if defined(TEST_WITH_SVG) 104 { 105 typedef typename bg::coordinate_type<G1>::type coordinate_type; 106 std::map<std::pair<coordinate_type, coordinate_type>, int> offsets; 107 std::ostringstream filename; 108 filename << "get_turns_" << id 109 << "_" << string_from_type<typename bg::coordinate_type<G1>::type>::name() 110 << ".svg"; 111 112 std::ofstream svg(filename.str().c_str()); 113 114 bg::svg_mapper<typename bg::point_type<G2>::type> mapper(svg, 500, 500); 115 mapper.add(g1); 116 mapper.add(g2); 117 118 // Input shapes in green/blue 119 mapper.map(g1, "fill-opacity:0.5;fill:rgb(153,204,0);" 120 "stroke:rgb(153,204,0);stroke-width:3"); 121 mapper.map(g2, "fill-opacity:0.3;fill:rgb(51,51,153);" 122 "stroke:rgb(51,51,153);stroke-width:3"); 123 124 int index = 0; 125 BOOST_FOREACH(turn_info const& turn, turns) 126 { 127 mapper.map(turn.point, "fill:rgb(255,128,0);stroke:rgb(0,0,100);stroke-width:1"); 128 129 // Map characteristics 130 std::pair<coordinate_type, coordinate_type> p 131 = std::make_pair(bg::get<0>(turn.point), bg::get<1>(turn.point)); 132 133 { 134 std::ostringstream out; 135 out << index 136 << ": " << bg::operation_char(turn.operations[0].operation) 137 << " " << bg::operation_char(turn.operations[1].operation) 138 << " (" << bg::method_char(turn.method) << ")" 139 << (turn.discarded ? " (discarded) " : turn.blocked() ? " (blocked)" : "") 140 ; 141 142 offsets[p] += 10; 143 int offset = offsets[p]; 144 mapper.text(turn.point, out.str(), 145 "fill:rgb(0,0,0);font-family:Arial;font-size:8px", 146 5, offset); 147 } 148 149 ++index; 150 } 151 } 152 #endif 153 } 154 }; 155 156 } 157 158 template<typename G1, typename G2> 159 struct test_get_turns 160 { applytest_get_turns161 inline static void apply(std::string const& id, std::size_t expected_count, 162 std::string const& wkt1, std::string const& wkt2, 163 double precision = 0.001) 164 { 165 if (wkt1.empty() || wkt2.empty()) 166 { 167 return; 168 } 169 170 G1 g1; 171 bg::read_wkt(wkt1, g1); 172 173 G2 g2; 174 bg::read_wkt(wkt2, g2); 175 176 bg::correct(g1); 177 bg::correct(g2); 178 179 // Try the overlay-function in both ways 180 std::string caseid = id; 181 //goto case_reversed; 182 183 #ifdef BOOST_GEOMETRY_DEBUG_INTERSECTION 184 std::cout << std::endl << std::endl << "# " << caseid << std::endl; 185 #endif 186 detail::test_get_turns::apply(caseid, expected_count, g1, g2, precision); 187 188 #ifdef BOOST_GEOMETRY_DEBUG_INTERSECTION 189 return; 190 #endif 191 192 //case_reversed: 193 #if ! defined(BOOST_GEOMETRY_TEST_OVERLAY_NOT_EXCHANGED) 194 caseid = id + "_rev"; 195 #ifdef BOOST_GEOMETRY_DEBUG_INTERSECTION 196 std::cout << std::endl << std::endl << "# " << caseid << std::endl; 197 #endif 198 199 detail::test_get_turns::apply(caseid, expected_count, g2, g1, precision); 200 #endif 201 } 202 }; 203 204 #if ! defined(GEOMETRY_TEST_MULTI) 205 template <typename T> test_all()206 void test_all() 207 { 208 typedef bg::model::point<T, 2, bg::cs::cartesian> P; 209 typedef bg::model::polygon<P> polygon; 210 typedef bg::model::linestring<P> linestring; 211 typedef bg::model::box<P> box; 212 213 #ifdef BOOST_GEOMETRY_DEBUG_INTERSECTION 214 std::cout << string_from_type<T>::name() << std::endl; 215 #endif 216 217 218 // snl 219 /* 220 test_get_turns<polygon, polygon>::apply("snl_2", 221 5, 222 //snl-1 223 //"POLYGON((182467 605842,182480 605954,182557 605958,182571 605958,182585 605958,182579 605843,182559 605838,182467 605842))", 224 //"POLYGON((182499 605955,182511 605960,182536 605974,182536 605981,182536 606006,182563 606006,182610 605985,182613 605976,182620 605948,182628 605937,182631 605924,182639 605889,182634 605885,182603 605848,182579 605843,182585 605958,182571 605958,182557 605958,182499 605955))"); 225 //snl-2 226 //"POLYGON((120812 525783,120845 525792,120821 525842,120789 525826,120818 525849,120831 525854,120875 525875,120887 525881,120887 525881,120920 525834,120920 525834,120811 525772,120789 525826,120812 525783))", 227 //"POLYGON((120789 525826,120812 525783,120845 525792,120821 525842,120789 525826,120818 525849,120831 525854,120875 525875,120923 525836,120811 525772,120789 525826))" 228 //snl-4 229 "POLYGON((184913.4512400339881423860788345336914 606985.779408219968900084495544433594,184912.8999999999941792339086532592773 606987.145999999949708580970764160156,184904.4135310589917935431003570556641 606987.651360383024439215660095214844,184901.847619076987029984593391418457 607014.593436188995838165283203125,184916.3977574919990729540586471557617 607021.060164373018778860569000244141,184927.7147701499925460666418075561523 607008.126435620011761784553527832031,184926.0980706939881201833486557006836 606998.426238880958408117294311523438,184913.4512400339881423860788345336914 606985.779408219968900084495544433594),(184907.5560000000114087015390396118164 607013.300999999977648258209228515625,184905.7820000000065192580223083496094 607009.971999999950639903545379638672,184906.0039999999862629920244216918945 607005.978000000002793967723846435547,184908.4439999999885912984609603881836 606998.876999999978579580783843994141,184912.2149999999965075403451919555664 606994.217999999993480741977691650391,184919.3140000000130385160446166992188 606993.996000000042840838432312011719,184922.4200000000128056854009628295898 606995.770999999949708580970764160156,184925.7470000000030267983675003051758 606998.876999999978579580783843994141,184926.4130000000004656612873077392578 607002.871999999973922967910766601563,184925.7470000000030267983675003051758 607007.753000000026077032089233398438,184922.4200000000128056854009628295898 607012.190999999991618096828460693359,184917.0959999999904539436101913452148 607015.297999999951571226119995117188,184911.7710000000079162418842315673828 607015.297999999951571226119995117188,184907.5560000000114087015390396118164 607013.300999999977648258209228515625))", 230 "POLYGON((184861.1180000010062940418720245361328 606901.158000000054016709327697753906,184893.7870000000111758708953857421875 606898.482999998959712684154510498047,184925.0430000009946525096893310546875 606913.399999998975545167922973632813,184927.1739999990095384418964385986328 606951.758999999961815774440765380859,184912.8999999990046489983797073364258 606987.146000002045184373855590820313,184877.8700000010139774531126022338867 606989.232000001007691025733947753906,184885.1030000000027939677238464355469 607023.773999999975785613059997558594,184899.0579999980109278112649917602539 607022.743000000948086380958557128906,184906.0080000009911600500345230102539 607044.947999999043531715869903564453,184966.4649999999965075403451919555664 607025.020000000018626451492309570313,184968.4420000019890721887350082397461 606961.300000000977888703346252441406,185024.7679999989923089742660522460938 606947.401999998954124748706817626953,185024.5439999999944120645523071289063 606941.354999999981373548507690429688,185027.0069999989937059581279754638672 606937.322999999043531715869903564453,185030.3660000000090803951025009155273 606934.186999998986721038818359375,185035.5159999990137293934822082519531 606933.962999999988824129104614257813,185040.4420000019890721887350082397461 606935.530999999027699232101440429688,185042.905000000988366082310676574707 606939.114999998011626303195953369141,185088.3640000000013969838619232177734 606931.385000001988373696804046630859,185089.1389999990060459822416305541992 607015.508999999961815774440765380859,185095.1999999989930074661970138549805 607011.300000000977888703346252441406,185118.8269999999902211129665374755859 606995.545000002020969986915588378906,185126.813000001013278961181640625 606991.9950000010430812835693359375,185177.7270000019925646483898162841797 606973.798999998951330780982971191406,185181.4820000010076910257339477539063 606966.67599999904632568359375,185193.5709999990067444741725921630859 606977.795000002020969986915588378906,185193.710999998991610482335090637207 606960.300000000977888703346252441406,185189.3520000019925646483898162841797 606779.020000000018626451492309570313,185167.5150000010035000741481781005859 606783.844000000972300767898559570313,185086.9600000010104849934577941894531 606801.241000000038184225559234619141,185011.7069999990053474903106689453125 606817.809000000008381903171539306641,185000 606819.304000001051463186740875244141,184994.0340000019932631403207778930664 606819.793999999994412064552307128906,184976.3979999980074353516101837158203 606819.572000000975094735622406005859,184956.6539999989909119904041290283203 606817.1310000009834766387939453125,184934.9129999990109354257583618164063 606813.136999998008832335472106933594,184893.0969999989902134984731674194336 606804.927000000956468284130096435547,184884.4450000000069849193096160888672 606831.555000000051222741603851318359,184866.9189999999944120645523071289063 606883.480999998981133103370666503906,184861.1180000010062940418720245361328 606901.158000000054016709327697753906),(184907.5560000019904691725969314575195 607013.30099999904632568359375,184905.7820000019855797290802001953125 607009.971999999019317328929901123047,184906.0040000010048970580101013183594 607005.978000000002793967723846435547,184908.4439999980095308274030685424805 606998.876999999978579580783843994141,184912.2149999999965075403451919555664 606994.217999998014420270919799804688,184919.3139999989944044500589370727539 606993.995999998995102941989898681641,184922.420000001991866156458854675293 606995.771000002045184373855590820313,184925.7470000009925570338964462280273 606998.876999999978579580783843994141,184926.4129999990109354257583618164063 607002.872000001021660864353179931641,184925.7470000009925570338964462280273 607007.752999998978339135646820068359,184922.420000001991866156458854675293 607012.190999999991618096828460693359,184917.0960000010090880095958709716797 607015.297999999951571226119995117188,184911.7710000019869767129421234130859 607015.297999999951571226119995117188,184907.5560000019904691725969314575195 607013.30099999904632568359375))" 231 ); 232 233 234 return; 235 */ 236 237 // 1-6 238 test_get_turns<polygon, polygon>::apply("1", 6, case_1[0], case_1[1]); 239 test_get_turns<polygon, polygon>::apply("2", 8, case_2[0], case_2[1]); 240 test_get_turns<polygon, polygon>::apply("3", 4, case_3[0], case_3[1]); 241 test_get_turns<polygon, polygon>::apply("4", 12, case_4[0], case_4[1]); 242 test_get_turns<polygon, polygon>::apply("5", 17, case_5[0], case_5[1]); 243 test_get_turns<polygon, polygon>::apply("6", 3, case_6[0], case_6[1]); 244 245 // 7-12 246 test_get_turns<polygon, polygon>::apply("7", 2, case_7[0], case_7[1]); 247 test_get_turns<polygon, polygon>::apply("8", 2, case_8[0], case_8[1]); 248 test_get_turns<polygon, polygon>::apply("9", 1, case_9[0], case_9[1]); 249 test_get_turns<polygon, polygon>::apply("10", 3, case_10[0], case_10[1]); 250 test_get_turns<polygon, polygon>::apply("11", 1, case_11[0], case_11[1]); 251 test_get_turns<polygon, polygon>::apply("12", 8, case_12[0], case_12[1]); 252 253 // 13-18 254 test_get_turns<polygon, polygon>::apply("13", 2, case_13[0], case_13[1]); 255 test_get_turns<polygon, polygon>::apply("14", 2, case_14[0], case_14[1]); 256 test_get_turns<polygon, polygon>::apply("15", 2, case_15[0], case_15[1]); 257 test_get_turns<polygon, polygon>::apply("16", 4, case_16[0], case_16[1]); 258 test_get_turns<polygon, polygon>::apply("17", 2, case_17[0], case_17[1]); 259 ///test_get_turns<polygon, polygon>::apply("18", 4, case_18[0], case_18[1]); 260 261 // 19-24 262 test_get_turns<polygon, polygon>::apply("19", 2, case_19[0], case_19[1]); 263 test_get_turns<polygon, polygon>::apply("20", 3, case_20[0], case_20[1]); 264 test_get_turns<polygon, polygon>::apply("21", 3, case_21[0], case_21[1]); 265 test_get_turns<polygon, polygon>::apply("22", 1, case_22[0], case_22[1]); 266 test_get_turns<polygon, polygon>::apply("23", 2, case_23[0], case_23[1]); 267 test_get_turns<polygon, polygon>::apply("24", 1, case_24[0], case_24[1]); 268 269 // 25-30 270 test_get_turns<polygon, polygon>::apply("25", 1, case_25[0], case_25[1]); 271 test_get_turns<polygon, polygon>::apply("26", 1, case_26[0], case_26[1]); 272 test_get_turns<polygon, polygon>::apply("27", 2, case_27[0], case_27[1]); 273 test_get_turns<polygon, polygon>::apply("28", 2, case_28[0], case_28[1]); 274 test_get_turns<polygon, polygon>::apply("29", 2, case_29[0], case_29[1]); 275 test_get_turns<polygon, polygon>::apply("30", 2, case_30[0], case_30[1]); 276 277 // 31-36 278 test_get_turns<polygon, polygon>::apply("31", 1, case_31[0], case_31[1]); 279 test_get_turns<polygon, polygon>::apply("32", 1, case_32[0], case_32[1]); 280 test_get_turns<polygon, polygon>::apply("33", 1, case_33[0], case_33[1]); 281 test_get_turns<polygon, polygon>::apply("34", 2, case_34[0], case_34[1]); 282 test_get_turns<polygon, polygon>::apply("35", 1, case_35[0], case_35[1]); 283 test_get_turns<polygon, polygon>::apply("36", 3, case_36[0], case_36[1]); 284 285 // 37-42 286 test_get_turns<polygon, polygon>::apply("37", 3, case_37[0], case_37[1]); 287 test_get_turns<polygon, polygon>::apply("38", 3, case_38[0], case_38[1]); 288 test_get_turns<polygon, polygon>::apply("39", 4, case_39[0], case_39[1]); 289 test_get_turns<polygon, polygon>::apply("40", 3, case_40[0], case_40[1]); 290 test_get_turns<polygon, polygon>::apply("41", 5, case_41[0], case_41[1]); 291 test_get_turns<polygon, polygon>::apply("42", 5, case_42[0], case_42[1]); 292 293 // 43-48 294 test_get_turns<polygon, polygon>::apply("43", 4, case_43[0], case_43[1]); 295 test_get_turns<polygon, polygon>::apply("44", 4, case_44[0], case_44[1]); 296 test_get_turns<polygon, polygon>::apply("45", 4, case_45[0], case_45[1]); 297 test_get_turns<polygon, polygon>::apply("46", 4, case_46[0], case_46[1]); 298 test_get_turns<polygon, polygon>::apply("47", 5, case_47[0], case_47[1]); 299 300 // 49-54 301 test_get_turns<polygon, polygon>::apply("50", 4, case_50[0], case_50[1]); 302 test_get_turns<polygon, polygon>::apply("51", 3, case_51[0], case_51[1]); 303 test_get_turns<polygon, polygon>::apply("52", 8, case_52[0], case_52[1]); 304 // A touching point interior/ring exterior/ring can be represented in two ways: 305 test_get_turns<polygon, polygon>::apply("53a", 4, case_53[0], case_53[1]); 306 test_get_turns<polygon, polygon>::apply("53b", 4, case_53[0], case_53[2]); 307 test_get_turns<polygon, polygon>::apply("54aa", 13, case_54[0], case_54[2]); 308 test_get_turns<polygon, polygon>::apply("54ab", 13, case_54[0], case_54[3]); 309 test_get_turns<polygon, polygon>::apply("54ba", 13, case_54[1], case_54[2]); 310 test_get_turns<polygon, polygon>::apply("54bb", 13, case_54[1], case_54[3]); 311 312 test_get_turns<polygon, polygon>::apply("55", 12, case_55[0], case_55[1]); 313 test_get_turns<polygon, polygon>::apply("56", 9, case_56[0], case_56[1]); 314 315 316 // other 317 test_get_turns<polygon, polygon>::apply("many_situations", 31, case_many_situations[0], case_many_situations[1]); 318 319 320 // ticket#17 321 test_get_turns<polygon, box>::apply("ticket_17", 6, ticket_17[0], ticket_17[1]); 322 323 // GGL-mailing list 324 test_get_turns<polygon, polygon>::apply("ggl_list_20110306_javier", 325 4, 326 ggl_list_20110306_javier[0], ggl_list_20110306_javier[1]); 327 328 #ifdef _MSC_VER // gcc returns 14 for float 329 // test_get_turns<polygon, polygon>::apply("ggl_list_20110716_enrico", 330 // 13, 331 // ggl_list_20110716_enrico[0], ggl_list_20110716_enrico[1]); 332 333 #endif 334 335 // pies 336 test_get_turns<polygon, polygon>::apply("pie_23_16_16", 3, pie_23_16_16[0], pie_23_16_16[1]); 337 test_get_turns<polygon, polygon>::apply("pie_16_4_12", 2, pie_16_4_12[0], pie_16_4_12[1]); 338 test_get_turns<polygon, polygon>::apply("pie_4_13_15", 3, pie_4_13_15[0], pie_4_13_15[1]); 339 test_get_turns<polygon, polygon>::apply("pie_16_2_15_0", 2, pie_16_2_15_0[0], pie_16_2_15_0[1]); 340 test_get_turns<polygon, polygon>::apply("pie_20_20_7_100", 3, pie_20_20_7_100[0], pie_20_20_7_100[1]); 341 test_get_turns<polygon, polygon>::apply("pie_23_23_3_2000", 5, pie_23_23_3_2000[0], pie_23_23_3_2000[1]); 342 343 344 // line-line 345 test_get_turns<linestring, linestring>::apply("lineline1", 3, line_line1[0], line_line1[1]); 346 347 // line-polygon 348 test_get_turns<linestring, polygon>::apply("line_poly1", 4, line_line1[0], case_1[1]); 349 test_get_turns<linestring, polygon>::apply("line_poly2", 4, line_line1[1], case_1[0]); 350 test_get_turns<polygon, linestring>::apply("poly_line", 4, case_1[1], line_line1[0]); 351 } 352 353 354 template <typename T> test_ccw()355 void test_ccw() 356 { 357 typedef bg::model::point<T, 2, bg::cs::cartesian> P; 358 typedef bg::model::polygon<P, false, true> polygon; 359 360 test_get_turns<polygon, polygon>::apply("ccw_1", 361 6, 362 ccw_case_1[0], ccw_case_1[1]); 363 364 test_get_turns<polygon, polygon>::apply("ccw_9", 365 1, 366 case_9[0], case_9[1]); 367 368 } 369 370 template <typename T> test_open()371 void test_open() 372 { 373 typedef bg::model::point<T, 2, bg::cs::cartesian> P; 374 typedef bg::model::polygon<P, true, false> polygon; 375 376 test_get_turns<polygon, polygon>::apply("open_1", 377 6, 378 open_case_1[0], open_case_1[1]); 379 380 test_get_turns<polygon, polygon>::apply("open_9", 381 1, 382 open_case_9[0], open_case_9[1]); 383 } 384 385 386 test_main(int,char * [])387 int test_main(int, char* []) 388 { 389 test_all<float>(); 390 test_all<double>(); 391 test_ccw<double>(); 392 test_open<double>(); 393 394 #if ! defined(_MSC_VER) 395 test_all<long double>(); 396 #endif 397 398 #if defined(HAVE_TTMATH) 399 test_all<ttmath_big>(); 400 #endif 401 return 0; 402 } 403 404 #endif 405