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
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
|
// Copyright (c) 1997-2021
// Utrecht University (The Netherlands),
// ETH Zurich (Switzerland),
// INRIA Sophia-Antipolis (France),
// Max-Planck-Institute Saarbruecken (Germany),
// and Tel-Aviv University (Israel).
// GeometryFactory (France)
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org)
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1.1/Intersections_3/include/CGAL/Intersection_traits_3.h $
// $Id: include/CGAL/Intersection_traits_3.h 08b27d3db14 $
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Philipp Möller
#ifndef CGAL_INTERSECTION_TRAITS_3_H
#define CGAL_INTERSECTION_TRAITS_3_H
#include <CGAL/Intersection_traits.h>
#include <CGAL/Bbox_3.h>
#include <optional>
#include <variant>
#include <vector>
namespace CGAL {
CGAL_INTERSECTION_TRAITS_2(Line_3, Line_3, Point_3, Line_3)
CGAL_INTERSECTION_TRAITS_2(Line_3, Plane_3, Point_3, Line_3)
CGAL_INTERSECTION_TRAITS_2(Plane_3, Line_3, Point_3, Line_3)
CGAL_INTERSECTION_TRAITS_2(Line_3, Ray_3, Point_3, Ray_3)
CGAL_INTERSECTION_TRAITS_2(Ray_3, Line_3, Point_3, Ray_3)
CGAL_INTERSECTION_TRAITS_2(Line_3, Segment_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Segment_3, Line_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Line_3, Triangle_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Triangle_3, Line_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Line_3, Tetrahedron_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Tetrahedron_3, Line_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Plane_3, Plane_3, Line_3, Plane_3)
CGAL_INTERSECTION_TRAITS_2(Plane_3, Ray_3, Point_3, Ray_3)
CGAL_INTERSECTION_TRAITS_2(Ray_3, Plane_3, Point_3, Ray_3)
CGAL_INTERSECTION_TRAITS_2(Plane_3, Segment_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Segment_3, Plane_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Plane_3, Sphere_3, Point_3, Circle_3)
CGAL_INTERSECTION_TRAITS_2(Sphere_3, Plane_3, Point_3, Circle_3)
CGAL_INTERSECTION_TRAITS_3(Plane_3, Triangle_3, Point_3, Segment_3, Triangle_3)
CGAL_INTERSECTION_TRAITS_3(Triangle_3, Plane_3, Point_3, Segment_3, Triangle_3)
CGAL_INTERSECTION_TRAITS_3(Ray_3, Ray_3, Point_3, Ray_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Ray_3, Segment_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Segment_3, Ray_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Ray_3, Triangle_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Triangle_3, Ray_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Ray_3, Tetrahedron_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Tetrahedron_3, Ray_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Segment_3, Segment_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Segment_3, Triangle_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Triangle_3, Segment_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Segment_3, Tetrahedron_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Tetrahedron_3, Segment_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_3(Sphere_3, Sphere_3, Point_3, Circle_3, Sphere_3)
template<typename K>
struct Intersection_traits<K, typename K::Triangle_3, typename K::Triangle_3> {
typedef typename
std::variant< typename K::Point_3, typename K::Segment_3, typename K::Triangle_3,
typename std::vector< typename K::Point_3 > > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// !!! undocumented !!!
// Segment_3 Iso_cuboid_3
CGAL_INTERSECTION_TRAITS_2(Segment_3, Iso_cuboid_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Iso_cuboid_3, Segment_3, Point_3, Segment_3)
// Line_3 Iso_cuboid_3
CGAL_INTERSECTION_TRAITS_2(Line_3, Iso_cuboid_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Iso_cuboid_3, Line_3, Point_3, Segment_3)
// Ray_3 Iso_cuboid_3
CGAL_INTERSECTION_TRAITS_2(Ray_3, Iso_cuboid_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Iso_cuboid_3, Ray_3, Point_3, Segment_3)
// Iso_cuboid_3 Iso_cuboid_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Iso_cuboid_3, typename K::Iso_cuboid_3> {
typedef typename
std::variant< typename K::Iso_cuboid_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Intersections with BBox returns the same for Ray_3, Line_3 and Segment_3
// Bbox_3 Line_3
template<typename K>
struct Intersection_traits<K, CGAL::Bbox_3, typename K::Line_3> {
typedef typename
std::variant< typename K::Segment_3, typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Line_3, CGAL::Bbox_3> :
public Intersection_traits<K, CGAL::Bbox_3, typename K::Line_3> {};
// Bbox_3 Segment_3
template<typename K>
struct Intersection_traits<K, typename K::Segment_3, CGAL::Bbox_3> :
public Intersection_traits<K, CGAL::Bbox_3, typename K::Line_3> {};
template<typename K>
struct Intersection_traits<K, CGAL::Bbox_3, typename K::Segment_3> :
public Intersection_traits<K, CGAL::Bbox_3, typename K::Line_3> {};
// Bbox_3 Ray_3
template<typename K>
struct Intersection_traits<K, typename K::Ray_3, CGAL::Bbox_3> :
public Intersection_traits<K, CGAL::Bbox_3, typename K::Line_3> {};
template<typename K>
struct Intersection_traits<K, CGAL::Bbox_3, typename K::Ray_3> :
public Intersection_traits<K, CGAL::Bbox_3, typename K::Line_3> {};
// Point_3 Iso_cuboid_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Point_3, typename K::Iso_cuboid_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Bbox_3 Point_3, variant of one
template<typename K>
struct Intersection_traits<K, Bbox_3, typename K::Point_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Point_3, Bbox_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Bbox_3 Iso_cuboid_3, variant of 1
template<typename K>
struct Intersection_traits<K, CGAL::Bbox_3, typename K::Iso_cuboid_3> {
typedef typename
std::variant< typename K::Iso_cuboid_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Iso_cuboid_3, CGAL::Bbox_3>
: public Intersection_traits<K, CGAL::Bbox_3, typename K::Iso_cuboid_3> {};
// Iso_cuboid_3 Point_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Iso_cuboid_3, typename K::Point_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Iso_cuboid_3 Plane_3, variant of 4
template<typename K>
struct Intersection_traits<K, typename K::Iso_cuboid_3, typename K::Plane_3> {
typedef typename
std::variant< typename K::Point_3, typename K::Segment_3,
typename K::Triangle_3, std::vector<typename K::Point_3> > variant_type;
typedef typename std::optional< variant_type > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Plane_3, typename K::Iso_cuboid_3> {
typedef typename
std::variant< typename K::Point_3, typename K::Segment_3,
typename K::Triangle_3, std::vector<typename K::Point_3> > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Iso_cuboid_3 Triangle_3, variant of 4
template<typename K>
struct Intersection_traits<K, typename K::Iso_cuboid_3, typename K::Triangle_3> {
typedef typename
std::variant< typename K::Point_3, typename K::Segment_3,
typename K::Triangle_3, std::vector<typename K::Point_3> > variant_type;
typedef typename std::optional< variant_type > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Triangle_3, typename K::Iso_cuboid_3> {
typedef typename
std::variant< typename K::Point_3, typename K::Segment_3,
typename K::Triangle_3, std::vector<typename K::Point_3> > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Bbox_3 Plane_3, variant of 4
template<typename K>
struct Intersection_traits<K, typename CGAL::Bbox_3, typename K::Plane_3> {
typedef typename
std::variant< typename K::Point_3, typename K::Segment_3,
typename K::Triangle_3, std::vector<typename K::Point_3> > variant_type;
typedef typename std::optional< variant_type > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Plane_3, typename CGAL::Bbox_3> {
typedef typename
std::variant< typename K::Point_3, typename K::Segment_3,
typename K::Triangle_3, std::vector<typename K::Point_3> > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Bbox_3 Triangle_3, variant of 4
template<typename K>
struct Intersection_traits<K, typename CGAL::Bbox_3, typename K::Triangle_3> {
typedef typename
std::variant< typename K::Point_3, typename K::Segment_3,
typename K::Triangle_3, std::vector<typename K::Point_3> > variant_type;
typedef typename std::optional< variant_type > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Triangle_3, typename CGAL::Bbox_3> {
typedef typename
std::variant< typename K::Point_3, typename K::Segment_3,
typename K::Triangle_3, std::vector<typename K::Point_3> > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Point_3 Line_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Point_3, typename K::Line_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Line_3 Point_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Line_3, typename K::Point_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Point_3 Ray_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Point_3, typename K::Ray_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Ray_3 Point_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Ray_3, typename K::Point_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Point_3 Segment_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Point_3, typename K::Segment_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Segment_3 Point_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Segment_3, typename K::Point_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Point_3 Point_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Point_3, typename K::Point_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Point_3 Plane_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Point_3, typename K::Plane_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Plane_3 Point_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Plane_3, typename K::Point_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Point_3 Triangle_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Point_3, typename K::Triangle_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Triangle_3 Point_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Triangle_3, typename K::Point_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Point_3 Tetrahedron_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Point_3, typename K::Tetrahedron_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Tetrahedron_3 Point_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Tetrahedron_3, typename K::Point_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Point_3 Sphere_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Point_3, typename K::Sphere_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Sphere_3 Point_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Sphere_3, typename K::Point_3> {
typedef typename
std::variant< typename K::Point_3 > variant_type;
typedef typename std::optional< variant_type > result_type;
};
//Tetrahedron_3 Plane_3, variant of 4
template<class K>
struct Intersection_traits<K, typename K::Tetrahedron_3, typename K::Plane_3>
{
typedef typename
std::variant< typename K::Point_3 , typename K::Segment_3,
typename K::Triangle_3, std::vector<typename K::Point_3> > variant_type;
typedef typename std::optional< variant_type > result_type;
};
//Plane_3 Tetrahedron_3, variant of 4
template<class K>
struct Intersection_traits<K, typename K::Plane_3,typename K::Tetrahedron_3>
{
typedef typename
std::variant< typename K::Point_3 , typename K::Segment_3,
typename K::Triangle_3, std::vector<typename K::Point_3> > variant_type;
typedef typename std::optional< variant_type > result_type;
};
//Triangle_3 Tetrahedron_3, variant of 4
template<class K>
struct Intersection_traits<K, typename K::Triangle_3,typename K::Tetrahedron_3>
{
typedef typename
std::variant< typename K::Point_3 , typename K::Segment_3,
typename K::Triangle_3, std::vector<typename K::Point_3> > variant_type;
typedef typename std::optional< variant_type > result_type;
};
// Tetrahedron_3 Triangle_3, variant of 4
template<class K>
struct Intersection_traits<K, typename K::Tetrahedron_3,typename K::Triangle_3>
{
typedef typename
std::variant< typename K::Point_3 , typename K::Segment_3,
typename K::Triangle_3, std::vector<typename K::Point_3> > variant_type;
typedef typename std::optional< variant_type > result_type;
};
} // namespace
#endif /* CGAL_INTERSECTION_TRAITS_3_H */
|
