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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2014-2015, Oracle and/or its affiliates. | |
4 | ||
5 | // Licensed under the Boost Software License version 1.0. | |
6 | // http://www.boost.org/users/license.html | |
7 | ||
8 | // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle | |
9 | ||
10 | #ifndef BOOST_GEOMETRY_TEST_SET_OPS_POINTLIKE_HPP | |
11 | #define BOOST_GEOMETRY_TEST_SET_OPS_POINTLIKE_HPP | |
12 | ||
13 | ||
14 | #include <boost/geometry/geometry.hpp> | |
15 | ||
16 | namespace bg = ::boost::geometry; | |
17 | ||
18 | #include <from_wkt.hpp> | |
19 | #include <to_svg.hpp> | |
20 | ||
21 | #include <algorithm> | |
22 | #include <fstream> | |
23 | #include <boost/core/ignore_unused.hpp> | |
24 | ||
25 | #include <boost/geometry/policies/compare.hpp> | |
26 | #include <boost/geometry/algorithms/equals.hpp> | |
27 | ||
28 | #include <boost/geometry/algorithms/union.hpp> | |
29 | #include <boost/geometry/algorithms/difference.hpp> | |
30 | #include <boost/geometry/algorithms/intersection.hpp> | |
31 | #include <boost/geometry/algorithms/sym_difference.hpp> | |
32 | ||
33 | #include <boost/geometry/algorithms/detail/overlay/overlay_type.hpp> | |
34 | ||
35 | ||
36 | //================================================================== | |
37 | //================================================================== | |
38 | // svg output | |
39 | //================================================================== | |
40 | //================================================================== | |
41 | ||
42 | template <typename Output, typename G1, typename G2> | |
43 | void set_operation_output(std::string const& set_op_id, | |
44 | std::string const& caseid, | |
45 | G1 const& g1, G2 const& g2, | |
46 | Output const& output) | |
47 | { | |
48 | boost::ignore_unused(set_op_id, caseid, g1, g2, output); | |
49 | ||
50 | #if defined(TEST_WITH_SVG) | |
51 | typedef typename bg::coordinate_type<G1>::type coordinate_type; | |
52 | typedef typename bg::point_type<G1>::type point_type; | |
53 | ||
54 | std::ostringstream filename; | |
55 | filename << "svgs/" << set_op_id << "_" << caseid << ".svg"; | |
56 | ||
57 | std::ofstream svg(filename.str().c_str()); | |
58 | ||
59 | bg::svg_mapper<point_type> mapper(svg, 500, 500); | |
60 | ||
61 | mapper.add(g1); | |
62 | mapper.add(g2); | |
63 | ||
64 | mapper.map(g2, "stroke-opacity:1;stroke:rgb(153,204,0);stroke-width:4"); | |
65 | mapper.map(g1, "stroke-opacity:1;stroke:rgb(51,51,153);stroke-width:2"); | |
66 | ||
67 | BOOST_AUTO_TPL(it, output.begin()); | |
68 | for (; it != output.end(); ++it) | |
69 | { | |
70 | mapper.map(*it, | |
71 | "fill:rgb(255,0,255);stroke:rgb(0,0,0);stroke-width:1", | |
72 | 4); | |
73 | } | |
74 | #endif | |
75 | } | |
76 | ||
77 | ||
78 | //================================================================== | |
79 | //================================================================== | |
80 | // testing equality of multi-points | |
81 | //================================================================== | |
82 | //================================================================== | |
83 | ||
84 | ||
85 | struct equals | |
86 | { | |
87 | template <typename MultiPoint1, typename MultiPoint2> | |
88 | static inline bool apply(MultiPoint1 const& multipoint1, | |
89 | MultiPoint2 const& multipoint2) | |
90 | { | |
91 | MultiPoint1 mp1(multipoint1); | |
92 | MultiPoint2 mp2(multipoint2); | |
93 | ||
94 | std::sort(mp1.begin(), mp1.end(), | |
95 | bg::less<typename bg::point_type<MultiPoint1>::type>()); | |
96 | std::sort(mp2.begin(), mp2.end(), | |
97 | bg::less<typename bg::point_type<MultiPoint2>::type>()); | |
98 | ||
99 | if ( boost::size(mp1) != boost::size(mp2) ) | |
100 | { | |
101 | return false; | |
102 | } | |
103 | ||
104 | BOOST_AUTO_TPL(it1, boost::begin(mp1)); | |
105 | BOOST_AUTO_TPL(it2, boost::begin(mp2)); | |
106 | for (; it1 != boost::end(mp1); ++it1, ++it2) | |
107 | { | |
108 | if ( !bg::equals(*it1, *it2) ) | |
109 | { | |
110 | return false; | |
111 | } | |
112 | } | |
113 | return true; | |
114 | } | |
115 | }; | |
116 | ||
117 | ||
118 | ||
119 | //================================================================== | |
120 | //================================================================== | |
121 | // struct for calling the appropriate set op function | |
122 | //================================================================== | |
123 | //================================================================== | |
124 | ||
125 | template <bg::overlay_type OverlayType> struct set_op; | |
126 | ||
127 | ||
128 | template<> | |
129 | struct set_op<bg::overlay_difference> | |
130 | { | |
131 | static inline std::string name() { return "difference"; } | |
132 | ||
133 | template <typename Geometry1, typename Geometry2, typename GeometryOut> | |
134 | static inline void apply(Geometry1 const& g1, | |
135 | Geometry2 const& g2, | |
136 | GeometryOut& gout) | |
137 | { | |
138 | bg::difference(g1, g2, gout); | |
139 | } | |
140 | }; | |
141 | ||
142 | ||
143 | template<> | |
144 | struct set_op<bg::overlay_union> | |
145 | { | |
146 | static inline std::string name() { return "union"; } | |
147 | ||
148 | template <typename Geometry1, typename Geometry2, typename GeometryOut> | |
149 | static inline void apply(Geometry1 const& g1, | |
150 | Geometry2 const& g2, | |
151 | GeometryOut& gout) | |
152 | { | |
153 | bg::union_(g1, g2, gout); | |
154 | } | |
155 | }; | |
156 | ||
157 | ||
158 | template<> | |
159 | struct set_op<bg::overlay_intersection> | |
160 | { | |
161 | static inline std::string name() { return "intersection"; } | |
162 | ||
163 | template <typename Geometry1, typename Geometry2, typename GeometryOut> | |
164 | static inline void apply(Geometry1 const& g1, | |
165 | Geometry2 const& g2, | |
166 | GeometryOut& gout) | |
167 | { | |
168 | bg::intersection(g1, g2, gout); | |
169 | } | |
170 | }; | |
171 | ||
172 | ||
173 | template | |
174 | < | |
175 | typename Geometry, | |
176 | typename Tag = typename bg::tag<Geometry>::type | |
177 | > struct geometry_info | |
178 | {}; | |
179 | ||
180 | template <typename Point> | |
181 | struct geometry_info<Point, bg::point_tag> | |
182 | { | |
183 | static std::size_t const topological_dimension = 0; | |
184 | ||
185 | static inline char const* name() { return "P"; } | |
186 | }; | |
187 | ||
188 | template <typename MultiPoint> | |
189 | struct geometry_info<MultiPoint, bg::multi_point_tag> | |
190 | { | |
191 | static std::size_t const topological_dimension = 0; | |
192 | ||
193 | static inline char const* name() { return "MP"; } | |
194 | }; | |
195 | ||
196 | template <typename Linestring> | |
197 | struct geometry_info<Linestring, bg::linestring_tag> | |
198 | { | |
199 | static std::size_t const topological_dimension = 1; | |
200 | ||
201 | static inline char const* name() { return "L"; } | |
202 | }; | |
203 | ||
204 | template <typename MultiLinestring> | |
205 | struct geometry_info<MultiLinestring, bg::multi_linestring_tag> | |
206 | { | |
207 | static std::size_t const topological_dimension = 1; | |
208 | ||
209 | static inline char const* name() { return "ML"; } | |
210 | }; | |
211 | ||
212 | template <typename Segment> | |
213 | struct geometry_info<Segment, bg::segment_tag> | |
214 | { | |
215 | static std::size_t const topological_dimension = 1; | |
216 | ||
217 | static inline char const* name() { return "S"; } | |
218 | }; | |
219 | ||
220 | ||
221 | ||
222 | //================================================================== | |
223 | //================================================================== | |
224 | // test the set operation of (point-like) geometries | |
225 | //================================================================== | |
226 | //================================================================== | |
227 | ||
228 | ||
229 | template | |
230 | < | |
231 | typename Geometry1, | |
232 | typename Geometry2, | |
233 | typename MultiPoint, | |
234 | bg::overlay_type OverlayType | |
235 | > | |
236 | class test_set_op_of_pointlike_geometries | |
237 | { | |
238 | private: | |
239 | template <bool Enable, typename Dummy = void> | |
240 | struct base_test | |
241 | { | |
242 | template <typename G1, typename G2, typename MP> | |
243 | static inline void apply(std::string const& case_id, | |
244 | G1 const& geometry1, | |
245 | G2 const& geometry2, | |
246 | MP const& mp_expected) | |
247 | { | |
248 | MultiPoint mp_output; | |
249 | ||
250 | set_op<OverlayType>::apply(geometry1, geometry2, mp_output); | |
251 | ||
252 | std::string op_name = set_op<OverlayType>::name(); | |
253 | ||
254 | BOOST_CHECK_MESSAGE(equals::apply(mp_expected, mp_output), | |
255 | "case ID: " << case_id << ", " | |
256 | << op_name << " " | |
257 | << geometry_info<G1>::name() << "/" | |
258 | << geometry_info<G2>::name() << ": " | |
259 | << bg::wkt(geometry1) | |
260 | << " " << bg::wkt(geometry2) | |
261 | << " -> Expected: " << bg::wkt(mp_expected) | |
262 | << " computed: " << bg::wkt(mp_output) ); | |
263 | ||
264 | set_operation_output(op_name, case_id, | |
265 | geometry1, geometry2, mp_output); | |
266 | ||
267 | #ifdef BOOST_GEOMETRY_TEST_DEBUG | |
268 | std::cout << "Geometry #1: " << bg::wkt(geometry1) << std::endl; | |
269 | std::cout << "Geometry #2: " << bg::wkt(geometry2) << std::endl; | |
270 | std::cout << "expected " << op_name << " : " | |
271 | << bg::wkt(mp_expected) << std::endl; | |
272 | std::cout << op_name << " : " << bg::wkt(mp_output) << std::endl; | |
273 | std::cout << std::endl; | |
274 | std::cout << "************************************" << std::endl; | |
275 | std::cout << std::endl; | |
276 | std::cout << std::endl; | |
277 | #endif | |
278 | } | |
279 | }; | |
280 | ||
281 | template <typename Dummy> | |
282 | struct base_test<false, Dummy> | |
283 | { | |
284 | template <typename G1, typename G2, typename MP> | |
285 | static inline void apply(std::string const&, G1 const&, G2 const&, | |
286 | MP const&) | |
287 | { | |
288 | } | |
289 | }; | |
290 | ||
291 | public: | |
292 | static inline void apply(std::string const& case_id, | |
293 | Geometry1 const& geometry1, | |
294 | Geometry2 const& geometry2, | |
295 | MultiPoint const& mp_expected12, | |
296 | MultiPoint const& mp_expected21) | |
297 | { | |
298 | #ifdef BOOST_GEOMETRY_TEST_DEBUG | |
299 | std::cout << "test case: " << case_id << std::endl; | |
300 | #endif | |
301 | ||
302 | base_test<true>::apply(case_id, geometry1, geometry2, mp_expected12); | |
303 | // try the same set operation with the arguments' order | |
304 | // reversed only if the two geometries are of the same | |
305 | // topological dimension | |
306 | base_test | |
307 | < | |
308 | (geometry_info<Geometry1>::topological_dimension | |
309 | == geometry_info<Geometry2>::topological_dimension) | |
310 | >::apply(case_id, geometry2, geometry1, mp_expected21); | |
311 | ||
312 | #ifdef BOOST_GEOMETRY_TEST_DEBUG | |
313 | std::cout << std::endl; | |
314 | std::cout << std::endl; | |
315 | #endif | |
316 | } | |
317 | ||
318 | static inline void apply(std::string const& case_id, | |
319 | Geometry1 const& geometry1, | |
320 | Geometry2 const& geometry2, | |
321 | MultiPoint const& mp_expected) | |
322 | { | |
323 | apply(case_id, geometry1, geometry2, mp_expected, mp_expected); | |
324 | } | |
325 | }; | |
326 | ||
327 | ||
328 | #endif // BOOST_GEOMETRY_TEST_SET_OPS_POINTLIKE_HPP |