-
-
Notifications
You must be signed in to change notification settings - Fork 477
/
Copy pathtest-geom-multilinestrings.cpp
376 lines (304 loc) · 12 KB
/
test-geom-multilinestrings.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
/**
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This file is part of osm2pgsql (https://osm2pgsql.org/).
*
* Copyright (C) 2006-2025 by the osm2pgsql developer community.
* For a full list of authors see the git log.
*/
#include <catch.hpp>
#include "common-buffer.hpp"
#include "geom-from-osm.hpp"
#include "geom-functions.hpp"
#include "geom-output.hpp"
#include "geom.hpp"
#include <array>
TEST_CASE("create_multilinestring with single line", "[NoDB]")
{
geom::linestring_t const expected{{1, 1}, {2, 1}};
geom::linestring_t const expected_rev{{2, 1}, {1, 1}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x2y1");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
REQUIRE(geometry_type(geom) == "MULTILINESTRING");
REQUIRE(dimension(geom) == 1);
REQUIRE(num_geometries(geom) == 1);
REQUIRE(area(geom) == Approx(0.0));
REQUIRE(length(geom) == Approx(1.0));
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 1);
REQUIRE(ml[0] == expected);
auto const rev = reverse(geom);
REQUIRE(rev.is_multilinestring());
REQUIRE(rev.get<geom::multilinestring_t>()[0] == expected_rev);
}
TEST_CASE("create_multilinestring with single line and no force_multi",
"[NoDB]")
{
geom::linestring_t const expected{{1, 1}, {2, 1}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x2y1");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer(), false));
REQUIRE(geom.is_linestring());
REQUIRE(geometry_type(geom) == "LINESTRING");
REQUIRE(num_geometries(geom) == 1);
REQUIRE(area(geom) == Approx(0.0));
REQUIRE(length(geom) == Approx(1.0));
auto const &l = geom.get<geom::linestring_t>();
REQUIRE(l.num_geometries() == 1);
REQUIRE(l == expected);
}
TEST_CASE(
"create_multilinestring with multiple incomplete lines and no force_multi",
"[NoDB]")
{
geom::linestring_t const expected{{1, 1}, {2, 1}};
test_buffer_t buffer;
SECTION("with second invalid line")
{
buffer.add_way("w20 Nn10x1y1,n11x2y1");
buffer.add_way("w21 Nn12x2y2");
}
SECTION("with second line with missing location")
{
buffer.add_way("w20 Nn10x1y1,n11x2y1");
buffer.add_way("w21 Nn12x2y2,n13");
}
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer(), false));
REQUIRE(geom.is_linestring());
REQUIRE(geometry_type(geom) == "LINESTRING");
REQUIRE(num_geometries(geom) == 1);
REQUIRE(area(geom) == Approx(0.0));
REQUIRE(length(geom) == Approx(1.0));
auto const &l = geom.get<geom::linestring_t>();
REQUIRE(l.num_geometries() == 1);
REQUIRE(l == expected);
}
TEST_CASE("create_multilinestring with single line forming a ring", "[NoDB]")
{
geom::linestring_t const expected{{1, 1}, {2, 1}, {2, 2}, {1, 1}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x2y1,n12x2y2,n10x1y1");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
REQUIRE(dimension(geom) == 1);
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 1);
REQUIRE(ml[0] == expected);
}
TEST_CASE("create_multilinestring from two non-joined lines", "[NoDB]")
{
std::array<geom::linestring_t, 2> const expected{
geom::linestring_t{{1, 1}, {2, 1}}, geom::linestring_t{{2, 2}, {3, 2}}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x2y1");
buffer.add_way("w21 Nn12x2y2,n13x3y2");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
REQUIRE(dimension(geom) == 1);
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 2);
REQUIRE(ml[0] == expected[0]);
REQUIRE(ml[1] == expected[1]);
}
TEST_CASE("create_multilinestring from two lines end to end", "[NoDB]")
{
geom::linestring_t const expected{{1, 1}, {2, 1}, {2, 2}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x2y1");
buffer.add_way("w21 Nn11x2y1,n12x2y2");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 1);
REQUIRE(ml[0] == expected);
}
TEST_CASE("create_multilinestring from two lines with same start point",
"[NoDB]")
{
geom::linestring_t const expected{{2, 1}, {1, 1}, {1, 2}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x2y1");
buffer.add_way("w21 Nn10x1y1,n12x1y2");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 1);
REQUIRE(ml[0] == expected);
}
TEST_CASE("create_multilinestring from two lines with same end point", "[NoDB]")
{
geom::linestring_t const expected{{1, 2}, {1, 1}, {2, 1}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y2,n11x1y1");
buffer.add_way("w21 Nn12x2y1,n11x1y1");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 1);
REQUIRE(ml[0] == expected);
}
TEST_CASE("create_multilinestring from two lines connected end to end forming "
"a ring",
"[NoDB]")
{
geom::linestring_t const expected{{1, 1}, {2, 1}, {2, 2}, {1, 2}, {1, 1}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x2y1,n13x2y2");
buffer.add_way("w21 Nn13x2y2,n12x1y2,n10x1y1");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 1);
REQUIRE(ml[0] == expected);
}
TEST_CASE("create_multilinestring from two lines with same start and end point",
"[NoDB]")
{
geom::linestring_t const expected{{2, 2}, {2, 1}, {1, 1}, {1, 2}, {2, 2}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x2y1,n13x2y2");
buffer.add_way("w21 Nn10x1y1,n12x1y2,n13x2y2");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 1);
REQUIRE(ml[0] == expected);
}
TEST_CASE("create_multilinestring from three lines, two with same start and "
"end point",
"[NoDB]")
{
geom::linestring_t const expected{{2, 2}, {2, 1}, {1, 1}, {1, 2}, {2, 2}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x2y1,n13x2y2");
buffer.add_way("w21 Nn10x1y1,n12x1y2");
buffer.add_way("w22 Nn12x1y2,n13x2y2");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 1);
REQUIRE(ml[0] == expected);
}
TEST_CASE("create_multilinestring from four segments forming two lines",
"[NoDB]")
{
std::array<geom::linestring_t, 2> const expected{
geom::linestring_t{{2, 1}, {1, 1}, {1, 2}},
geom::linestring_t{{3, 4}, {3, 3}, {4, 3}}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x2y1");
buffer.add_way("w21 Nn10x1y1,n12x1y2");
buffer.add_way("w22 Nn13x3y4,n14x3y3");
buffer.add_way("w23 Nn15x4y3,n14x3y3");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 2);
REQUIRE(ml[0] == expected[0]);
REQUIRE(ml[1] == expected[1]);
REQUIRE(geometry_n(geom, 1).get<geom::linestring_t>() == expected[0]);
REQUIRE(geometry_n(geom, 2).get<geom::linestring_t>() == expected[1]);
}
TEST_CASE("create_multilinestring from Y shape", "[NoDB]")
{
std::array<geom::linestring_t, 2> const expected{
geom::linestring_t{{2, 1}, {1, 1}, {1, 2}}, geom::linestring_t{
{1, 1},
{2, 2},
}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x2y1");
buffer.add_way("w21 Nn10x1y1,n12x1y2");
buffer.add_way("w22 Nn10x1y1,n13x2y2");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 2);
REQUIRE(ml[0] == expected[0]);
REQUIRE(ml[1] == expected[1]);
}
TEST_CASE("create_multilinestring from P shape", "[NoDB]")
{
geom::linestring_t const expected{{1, 1}, {1, 2}, {1, 3}, {2, 3}, {1, 2}};
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x1y2,n12x1y3");
buffer.add_way("w21 Nn12x1y3,n13x2y3,n11x1y2");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 1);
REQUIRE(ml[0] == expected);
}
TEST_CASE("create_multilinestring from P shape with closed way", "[NoDB]")
{
std::array<geom::linestring_t, 2> const expected{
geom::linestring_t{{1, 2}, {1, 1}}, geom::linestring_t{
{1, 2},
{1, 3},
{2, 3},
{1, 2},
}};
test_buffer_t buffer;
buffer.add_way("w20 Nn11x1y2,n12x1y3,n13x2y3,n11x1y2");
buffer.add_way("w21 Nn11x1y2,n10x1y1");
auto const geom =
geom::line_merge(geom::create_multilinestring(buffer.buffer()));
REQUIRE(geom.is_multilinestring());
auto const &ml = geom.get<geom::multilinestring_t>();
REQUIRE(ml.num_geometries() == 2);
REQUIRE(ml[0] == expected[0]);
REQUIRE(ml[1] == expected[1]);
}
TEST_CASE("create_multilinestring and simplify", "[NoDB]")
{
test_buffer_t buffer;
buffer.add_way("w20 Nn10x1y1,n11x1y2,n12x1y3");
buffer.add_way("w21 Nn12x1y3,n13x2y3,n11x1y2");
auto const geom =
geom::create_multilinestring(buffer.buffer());
REQUIRE(geom.is_multilinestring());
REQUIRE(geom.srid() == 4326);
auto const &mls = geom.get<geom::multilinestring_t>();
REQUIRE(mls.num_geometries() == 2);
REQUIRE(mls[0] == geom::linestring_t{{1, 1}, {1, 2}, {1, 3}});
REQUIRE(mls[1] == geom::linestring_t{{1, 3}, {2, 3}, {1, 2}});
SECTION("simplify with small tolerance")
{
auto const simplified_geom = geom::simplify(geom, 0.1);
REQUIRE(simplified_geom.is_multilinestring());
REQUIRE(simplified_geom.srid() == 4326);
auto const &simplified_mls =
simplified_geom.get<geom::multilinestring_t>();
REQUIRE(simplified_mls.num_geometries() == 2);
REQUIRE(simplified_mls[0] == geom::linestring_t{{1, 1}, {1, 3}});
REQUIRE(simplified_mls[1] ==
geom::linestring_t{{1, 3}, {2, 3}, {1, 2}});
}
SECTION("simplify with large tolerance")
{
auto const simplified_geom = geom::simplify(geom, 10.0);
REQUIRE(simplified_geom.is_multilinestring());
REQUIRE(simplified_geom.srid() == 4326);
auto const &simplified_mls =
simplified_geom.get<geom::multilinestring_t>();
REQUIRE(simplified_mls.num_geometries() == 2);
REQUIRE(simplified_mls[0] == geom::linestring_t{{1, 1}, {1, 3}});
REQUIRE(simplified_mls[1] == geom::linestring_t{{1, 3}, {1, 2}});
}
}