OpenMesh
RulesT_impl.hh
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43
48//=============================================================================
49//
50// Rules - IMPLEMENTATION
51//
52//=============================================================================
53
54
55#define OPENMESH_SUBDIVIDER_ADAPTIVE_RULEST_CC
56
57
58//== INCLUDES =================================================================
59
60#include <OpenMesh/Core/System/config.h>
61#include <OpenMesh/Core/IO/MeshIO.hh>
62#include "RulesT.hh"
63// --------------------
64#if defined(OM_CC_MIPS)
65# include <math.h>
66#else
67# include <cmath>
68#endif
69
70#if defined(OM_CC_MSVC)
71# pragma warning(disable:4244)
72#endif
73
74//== NAMESPACE ================================================================
75
76namespace OpenMesh { // BEGIN_NS_OPENMESH
77namespace Subdivider { // BEGIN_NS_DECIMATER
78namespace Adaptive { // BEGIN_NS_ADAPTIVE
79
80
81//== IMPLEMENTATION ==========================================================
82
83#define MOBJ Base::mesh_.data
84#define FH face_handle
85#define VH vertex_handle
86#define EH edge_handle
87#define HEH halfedge_handle
88#define NHEH next_halfedge_handle
89#define PHEH prev_halfedge_handle
90#define OHEH opposite_halfedge_handle
91#define TVH to_vertex_handle
92#define FVH from_vertex_handle
93
94// ------------------------------------------------------------------ Tvv3 ----
95
96
97template<class M>
98void
99Tvv3<M>::raise(typename M::FaceHandle& _fh, state_t _target_state)
100{
101 if (MOBJ(_fh).state() < _target_state)
102 {
103 this->update(_fh, _target_state);
104
105 typename M::VertexVertexIter vv_it;
106 typename M::FaceVertexIter fv_it;
107 typename M::VertexHandle vh;
108 typename M::Point position(0.0, 0.0, 0.0);
109 typename M::Point face_position;
110 const typename M::Point zero_point(0.0, 0.0, 0.0);
111 std::vector<typename M::VertexHandle> vertex_vector;
112
113
114 // raise all adjacent vertices to level x-1
115 for (fv_it = Base::mesh_.fv_iter(_fh); fv_it.is_valid(); ++fv_it) {
116
117 vertex_vector.push_back(*fv_it);
118 }
119
120 while(!vertex_vector.empty()) {
121
122 vh = vertex_vector.back();
123 vertex_vector.pop_back();
124
125 if (_target_state > 1)
126 Base::prev_rule()->raise(vh, _target_state - 1);
127 }
128
129 face_position = MOBJ(_fh).position(_target_state - 1);
130
131 typename M::EdgeHandle eh;
132 std::vector<typename M::EdgeHandle> edge_vector;
133
134 // interior face
135 if (!Base::mesh_.is_boundary(_fh) || MOBJ(_fh).final()) {
136
137 // insert new vertex
138 vh = Base::mesh_.new_vertex();
139
140 Base::mesh_.split(_fh, vh);
141
142 typename M::Scalar valence(0.0);
143
144 // calculate display position for new vertex
145 for (vv_it = Base::mesh_.vv_iter(vh); vv_it.is_valid(); ++vv_it)
146 {
147 position += Base::mesh_.point(*vv_it);
148 valence += 1.0;
149 }
150
151 position /= valence;
152
153 // set attributes for new vertex
154 Base::mesh_.set_point(vh, position);
155 MOBJ(vh).set_position(_target_state, zero_point);
156 MOBJ(vh).set_state(_target_state);
157 MOBJ(vh).set_not_final();
158
159 typename M::VertexOHalfedgeIter voh_it;
160 // check for edge flipping
161 for (voh_it = Base::mesh_.voh_iter(vh); voh_it.is_valid(); ++voh_it) {
162
163 if (Base::mesh_.FH(*voh_it).is_valid()) {
164
165 MOBJ(Base::mesh_.FH(*voh_it)).set_state(_target_state);
166 MOBJ(Base::mesh_.FH(*voh_it)).set_not_final();
167 MOBJ(Base::mesh_.FH(*voh_it)).set_position(_target_state - 1, face_position);
168
169
170 for (state_t j = 0; j < _target_state; ++j) {
171 MOBJ(Base::mesh_.FH(*voh_it)).set_position(j, MOBJ(_fh).position(j));
172 }
173
174 if (Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(*voh_it))).is_valid()) {
175
176 if (MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(*voh_it)))).state() == _target_state) {
177
178 if (Base::mesh_.is_flip_ok(Base::mesh_.EH(Base::mesh_.NHEH(*voh_it)))) {
179
180 edge_vector.push_back(Base::mesh_.EH(Base::mesh_.NHEH(*voh_it)));
181 }
182 }
183 }
184 }
185 }
186 }
187
188 // boundary face
189 else {
190
191 typename M::VertexHandle vh1 = Base::mesh_.new_vertex(),
192 vh2 = Base::mesh_.new_vertex();
193
194 typename M::HalfedgeHandle hh2 = Base::mesh_.HEH(_fh),
195 hh1, hh3;
196
197 while (!Base::mesh_.is_boundary(Base::mesh_.OHEH(hh2)))
198 hh2 = Base::mesh_.NHEH(hh2);
199
200 eh = Base::mesh_.EH(hh2);
201
202 hh2 = Base::mesh_.NHEH(hh2);
203 hh1 = Base::mesh_.NHEH(hh2);
204
205 assert(Base::mesh_.is_boundary(eh));
206
207 Base::mesh_.split(eh, vh1);
208
209 eh = Base::mesh_.EH(Base::mesh_.PHEH(hh2));
210
211 assert(Base::mesh_.is_boundary(eh));
212
213 Base::mesh_.split(eh, vh2);
214
215 hh3 = Base::mesh_.NHEH(Base::mesh_.OHEH(Base::mesh_.PHEH(hh1)));
216
217 typename M::VertexHandle vh0(Base::mesh_.TVH(hh1)),
218 vh3(Base::mesh_.FVH(hh2));
219
220 // set display position and attributes for new vertices
221 Base::mesh_.set_point(vh1, (Base::mesh_.point(vh0) * static_cast<typename M::Point::value_type>(2.0) + Base::mesh_.point(vh3)) / static_cast<typename M::Point::value_type>(3.0) );
222
223 MOBJ(vh1).set_position(_target_state, zero_point);
224 MOBJ(vh1).set_state(_target_state);
225 MOBJ(vh1).set_not_final();
226
227 MOBJ(vh0).set_position(_target_state, MOBJ(vh0).position(_target_state - 1) * static_cast<typename M::Point::value_type>(3.0));
228 MOBJ(vh0).set_state(_target_state);
229 MOBJ(vh0).set_not_final();
230
231 // set display position and attributes for old vertices
232 Base::mesh_.set_point(vh2, (Base::mesh_.point(vh3) * static_cast<typename M::Point::value_type>(2.0) + Base::mesh_.point(vh0)) / static_cast<typename M::Point::value_type>(3.0) );
233 MOBJ(vh2).set_position(_target_state, zero_point);
234 MOBJ(vh2).set_state(_target_state);
235 MOBJ(vh2).set_not_final();
236
237 MOBJ(vh3).set_position(_target_state, MOBJ(vh3).position(_target_state - 1) * static_cast<typename M::Point::value_type>(3.0) );
238 MOBJ(vh3).set_state(_target_state);
239 MOBJ(vh3).set_not_final();
240
241 // init 3 faces
242 MOBJ(Base::mesh_.FH(hh1)).set_state(_target_state);
243 MOBJ(Base::mesh_.FH(hh1)).set_not_final();
244 MOBJ(Base::mesh_.FH(hh1)).set_position(_target_state - 1, face_position);
245
246 MOBJ(Base::mesh_.FH(hh2)).set_state(_target_state);
247 MOBJ(Base::mesh_.FH(hh2)).set_not_final();
248 MOBJ(Base::mesh_.FH(hh2)).set_position(_target_state - 1, face_position);
249
250 MOBJ(Base::mesh_.FH(hh3)).set_state(_target_state);
251 MOBJ(Base::mesh_.FH(hh3)).set_final();
252 MOBJ(Base::mesh_.FH(hh3)).set_position(_target_state - 1, face_position);
253
254
255 for (state_t j = 0; j < _target_state; ++j) {
256 MOBJ(Base::mesh_.FH(hh1)).set_position(j, MOBJ(_fh).position(j));
257 }
258
259 for (state_t j = 0; j < _target_state; ++j) {
260
261 MOBJ(Base::mesh_.FH(hh2)).set_position(j, MOBJ(_fh).position(j));
262 }
263
264 for (state_t j = 0; j < _target_state; ++j) {
265
266 MOBJ(Base::mesh_.FH(hh3)).set_position(j, MOBJ(_fh).position(j));
267 }
268
269 // check for edge flipping
270 if (Base::mesh_.FH(Base::mesh_.OHEH(hh1)).is_valid()) {
271
272 if (MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(hh1))).state() == _target_state) {
273
274 if (Base::mesh_.is_flip_ok(Base::mesh_.EH(hh1))) {
275
276 edge_vector.push_back(Base::mesh_.EH(hh1));
277 }
278 }
279 }
280
281 if (Base::mesh_.FH(Base::mesh_.OHEH(hh2)).is_valid()) {
282
283 if (MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(hh2))).state() == _target_state) {
284
285 if (Base::mesh_.is_flip_ok(Base::mesh_.EH(hh2))) {
286
287 edge_vector.push_back(Base::mesh_.EH(hh2));
288 }
289 }
290 }
291 }
292
293 // flip edges
294 while (!edge_vector.empty()) {
295
296 eh = edge_vector.back();
297 edge_vector.pop_back();
298
299 assert(Base::mesh_.is_flip_ok(eh));
300
301 Base::mesh_.flip(eh);
302
303 MOBJ(Base::mesh_.FH(Base::mesh_.HEH(eh, 0))).set_final();
304 MOBJ(Base::mesh_.FH(Base::mesh_.HEH(eh, 1))).set_final();
305
306 MOBJ(Base::mesh_.FH(Base::mesh_.HEH(eh, 0))).set_state(_target_state);
307 MOBJ(Base::mesh_.FH(Base::mesh_.HEH(eh, 1))).set_state(_target_state);
308
309 MOBJ(Base::mesh_.FH(Base::mesh_.HEH(eh, 0))).set_position(_target_state, face_position);
310 MOBJ(Base::mesh_.FH(Base::mesh_.HEH(eh, 1))).set_position(_target_state, face_position);
311 }
312 }
313}
314
315
316template<class M>
317void Tvv3<M>::raise(typename M::VertexHandle& _vh, state_t _target_state) {
318
319 if (MOBJ(_vh).state() < _target_state) {
320
321 this->update(_vh, _target_state);
322
323 // multiply old position by 3
324 MOBJ(_vh).set_position(_target_state, MOBJ(_vh).position(_target_state - 1) * static_cast<typename M::Point::value_type>(3.0) );
325
326 MOBJ(_vh).inc_state();
327
328 assert(MOBJ(_vh).state() == _target_state);
329 }
330}
331
332
333// ------------------------------------------------------------------ Tvv4 ----
334
335
336template<class M>
337void
338Tvv4<M>::raise(typename M::FaceHandle& _fh, state_t _target_state)
339{
340
341 if (MOBJ(_fh).state() < _target_state) {
342
343 this->update(_fh, _target_state);
344
345 typename M::FaceVertexIter fv_it;
346 typename M::VertexHandle temp_vh;
347 typename M::Point face_position;
348 const typename M::Point zero_point(0.0, 0.0, 0.0);
349 std::vector<typename M::VertexHandle> vertex_vector;
350 std::vector<typename M::HalfedgeHandle> halfedge_vector;
351
352 // raise all adjacent vertices to level x-1
353 for (fv_it = Base::mesh_.fv_iter(_fh); fv_it.is_valid(); ++fv_it) {
354
355 vertex_vector.push_back(*fv_it);
356 }
357
358 while(!vertex_vector.empty()) {
359
360 temp_vh = vertex_vector.back();
361 vertex_vector.pop_back();
362
363 if (_target_state > 1) {
364 Base::prev_rule()->raise(temp_vh, _target_state - 1);
365 }
366 }
367
368 face_position = MOBJ(_fh).position(_target_state - 1);
369
370 typename M::HalfedgeHandle hh[3];
371 typename M::VertexHandle vh[3];
372 typename M::VertexHandle new_vh[3];
373 typename M::FaceHandle fh[4];
374 typename M::EdgeHandle eh;
375 typename M::HalfedgeHandle temp_hh;
376
377 // normal (final) face
378 if (MOBJ(_fh).final()) {
379
380 // define three halfedge handles around the face
381 hh[0] = Base::mesh_.HEH(_fh);
382 hh[1] = Base::mesh_.NHEH(hh[0]);
383 hh[2] = Base::mesh_.NHEH(hh[1]);
384
385 assert(hh[0] == Base::mesh_.NHEH(hh[2]));
386
387 vh[0] = Base::mesh_.TVH(hh[0]);
388 vh[1] = Base::mesh_.TVH(hh[1]);
389 vh[2] = Base::mesh_.TVH(hh[2]);
390
391 new_vh[0] = Base::mesh_.add_vertex(zero_point);
392 new_vh[1] = Base::mesh_.add_vertex(zero_point);
393 new_vh[2] = Base::mesh_.add_vertex(zero_point);
394
395 // split three edges
396 split_edge(hh[0], new_vh[0], _target_state);
397 eh = Base::mesh_.EH(Base::mesh_.PHEH(hh[2]));
398 split_edge(hh[1], new_vh[1], _target_state);
399 split_edge(hh[2], new_vh[2], _target_state);
400
401 assert(Base::mesh_.FVH(hh[2]) == vh[1]);
402 assert(Base::mesh_.FVH(hh[1]) == vh[0]);
403 assert(Base::mesh_.FVH(hh[0]) == vh[2]);
404
405 if (Base::mesh_.FH(Base::mesh_.OHEH(hh[0])).is_valid())
406 {
407 temp_hh = Base::mesh_.OHEH(Base::mesh_.PHEH(Base::mesh_.OHEH(hh[0])));
408 if (MOBJ(Base::mesh_.FH(temp_hh)).red_halfedge() != temp_hh)
409 halfedge_vector.push_back(temp_hh);
410 }
411
412 if (Base::mesh_.FH(Base::mesh_.OHEH(hh[1])).is_valid()) {
413
414 temp_hh = Base::mesh_.OHEH(Base::mesh_.PHEH(Base::mesh_.OHEH(hh[1])));
415 if (MOBJ(Base::mesh_.FH(temp_hh)).red_halfedge() != temp_hh)
416 halfedge_vector.push_back(temp_hh);
417 }
418
419 if (Base::mesh_.FH(Base::mesh_.OHEH(hh[2])).is_valid()) {
420
421 temp_hh = Base::mesh_.OHEH(Base::mesh_.PHEH(Base::mesh_.OHEH(hh[2])));
422 if (MOBJ(Base::mesh_.FH(temp_hh)).red_halfedge() != temp_hh)
423 halfedge_vector.push_back(temp_hh);
424 }
425 }
426
427 // splitted face, check for type
428 else {
429
430 // define red halfedge handle
431 typename M::HalfedgeHandle red_hh(MOBJ(_fh).red_halfedge());
432
433 if (Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.PHEH(red_hh))).is_valid()
434 && Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(red_hh)))).is_valid()
435 && MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.PHEH(red_hh)))).red_halfedge() == red_hh
436 && MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(red_hh))))).red_halfedge() == red_hh)
437 {
438
439 // three times divided face
440 vh[0] = Base::mesh_.TVH(Base::mesh_.NHEH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(red_hh)))));
441 vh[1] = Base::mesh_.TVH(red_hh);
442 vh[2] = Base::mesh_.TVH(Base::mesh_.NHEH(Base::mesh_.OHEH(Base::mesh_.PHEH(red_hh))));
443
444 new_vh[0] = Base::mesh_.FVH(red_hh);
445 new_vh[1] = Base::mesh_.TVH(Base::mesh_.NHEH(Base::mesh_.OHEH(red_hh)));
446 new_vh[2] = Base::mesh_.TVH(Base::mesh_.NHEH(red_hh));
447
448 hh[0] = Base::mesh_.PHEH(Base::mesh_.OHEH(Base::mesh_.PHEH(red_hh)));
449 hh[1] = Base::mesh_.PHEH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(red_hh))));
450 hh[2] = Base::mesh_.NHEH(red_hh);
451
452 eh = Base::mesh_.EH(red_hh);
453 }
454
455 else
456 {
457
458 if ((Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.PHEH(red_hh))).is_valid() &&
459 MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.PHEH(red_hh)))).red_halfedge()
460 == red_hh )
461 || (Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(red_hh)))).is_valid()
462 && MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(red_hh))))).red_halfedge() == red_hh))
463 {
464
465 // double divided face
466 if (MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.PHEH(red_hh)))).red_halfedge() == red_hh)
467 {
468 // first case
469 vh[0] = Base::mesh_.TVH(Base::mesh_.NHEH(Base::mesh_.OHEH(red_hh)));
470 vh[1] = Base::mesh_.TVH(red_hh);
471 vh[2] = Base::mesh_.TVH(Base::mesh_.NHEH(Base::mesh_.OHEH(Base::mesh_.PHEH(red_hh))));
472
473 new_vh[0] = Base::mesh_.FVH(red_hh);
474 new_vh[1] = Base::mesh_.add_vertex(zero_point);
475 new_vh[2] = Base::mesh_.TVH(Base::mesh_.NHEH(red_hh));
476
477 hh[0] = Base::mesh_.PHEH(Base::mesh_.OHEH(Base::mesh_.PHEH(red_hh)));
478 hh[1] = Base::mesh_.PHEH(Base::mesh_.OHEH(red_hh));
479 hh[2] = Base::mesh_.NHEH(red_hh);
480
481 // split one edge
482 eh = Base::mesh_.EH(red_hh);
483
484 split_edge(hh[1], new_vh[1], _target_state);
485
486 assert(Base::mesh_.FVH(hh[2]) == vh[1]);
487 assert(Base::mesh_.FVH(hh[1]) == vh[0]);
488 assert(Base::mesh_.FVH(hh[0]) == vh[2]);
489
490 if (Base::mesh_.FH(Base::mesh_.OHEH(hh[1])).is_valid())
491 {
492 temp_hh = Base::mesh_.OHEH(Base::mesh_.PHEH(Base::mesh_.OHEH(hh[1])));
493 if (MOBJ(Base::mesh_.FH(temp_hh)).red_halfedge() != temp_hh)
494 halfedge_vector.push_back(temp_hh);
495 }
496 }
497 else
498 {
499
500 // second case
501 vh[0] = Base::mesh_.TVH(Base::mesh_.NHEH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(red_hh)))));
502 vh[1] = Base::mesh_.TVH(red_hh);
503 vh[2] = Base::mesh_.TVH(Base::mesh_.NHEH(red_hh));
504
505 new_vh[0] = Base::mesh_.FVH(red_hh);
506 new_vh[1] = Base::mesh_.TVH(Base::mesh_.NHEH(Base::mesh_.OHEH(red_hh)));
507 new_vh[2] = Base::mesh_.add_vertex(zero_point);
508
509 hh[0] = Base::mesh_.PHEH(red_hh);
510 hh[1] = Base::mesh_.PHEH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(red_hh))));
511 hh[2] = Base::mesh_.NHEH(red_hh);
512
513 // split one edge
514 eh = Base::mesh_.EH(red_hh);
515
516 split_edge(hh[2], new_vh[2], _target_state);
517
518 assert(Base::mesh_.FVH(hh[2]) == vh[1]);
519 assert(Base::mesh_.FVH(hh[1]) == vh[0]);
520 assert(Base::mesh_.FVH(hh[0]) == vh[2]);
521
522 if (Base::mesh_.FH(Base::mesh_.OHEH(hh[2])).is_valid()) {
523
524 temp_hh = Base::mesh_.OHEH(Base::mesh_.PHEH(Base::mesh_.OHEH(hh[2])));
525 if (MOBJ(Base::mesh_.FH(temp_hh)).red_halfedge() != temp_hh)
526 halfedge_vector.push_back(temp_hh);
527 }
528 }
529 }
530
531 else {
532
533 // one time divided face
534 vh[0] = Base::mesh_.TVH(Base::mesh_.NHEH(Base::mesh_.OHEH(red_hh)));
535 vh[1] = Base::mesh_.TVH(red_hh);
536 vh[2] = Base::mesh_.TVH(Base::mesh_.NHEH(red_hh));
537
538 new_vh[0] = Base::mesh_.FVH(red_hh);
539 new_vh[1] = Base::mesh_.add_vertex(zero_point);
540 new_vh[2] = Base::mesh_.add_vertex(zero_point);
541
542 hh[0] = Base::mesh_.PHEH(red_hh);
543 hh[1] = Base::mesh_.PHEH(Base::mesh_.OHEH(red_hh));
544 hh[2] = Base::mesh_.NHEH(red_hh);
545
546 // split two edges
547 eh = Base::mesh_.EH(red_hh);
548
549 split_edge(hh[1], new_vh[1], _target_state);
550 split_edge(hh[2], new_vh[2], _target_state);
551
552 assert(Base::mesh_.FVH(hh[2]) == vh[1]);
553 assert(Base::mesh_.FVH(hh[1]) == vh[0]);
554 assert(Base::mesh_.FVH(hh[0]) == vh[2]);
555
556 if (Base::mesh_.FH(Base::mesh_.OHEH(hh[1])).is_valid()) {
557
558 temp_hh = Base::mesh_.OHEH(Base::mesh_.PHEH(Base::mesh_.OHEH(hh[1])));
559 if (MOBJ(Base::mesh_.FH(temp_hh)).red_halfedge() != temp_hh)
560 halfedge_vector.push_back(temp_hh);
561 }
562
563 if (Base::mesh_.FH(Base::mesh_.OHEH(hh[2])).is_valid()) {
564
565 temp_hh = Base::mesh_.OHEH(Base::mesh_.PHEH(Base::mesh_.OHEH(hh[2])));
566 if (MOBJ(Base::mesh_.FH(temp_hh)).red_halfedge() != temp_hh)
567 halfedge_vector.push_back(temp_hh);
568 }
569 }
570 }
571 }
572
573 // continue here for all cases
574
575 // flip edge
576 if (Base::mesh_.is_flip_ok(eh)) {
577
578 Base::mesh_.flip(eh);
579 }
580
581 // search new faces
582 fh[0] = Base::mesh_.FH(hh[0]);
583 fh[1] = Base::mesh_.FH(hh[1]);
584 fh[2] = Base::mesh_.FH(hh[2]);
585 fh[3] = Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(hh[0])));
586
587 assert(_fh == fh[0] || _fh == fh[1] || _fh == fh[2] || _fh == fh[3]);
588
589 // init new faces
590 for (int i = 0; i <= 3; ++i) {
591
592 MOBJ(fh[i]).set_state(_target_state);
593 MOBJ(fh[i]).set_final();
594 MOBJ(fh[i]).set_position(_target_state, face_position);
595 MOBJ(fh[i]).set_red_halfedge(Base::mesh_.InvalidHalfedgeHandle);
596 }
597
598 // init new vertices and edges
599 for (int i = 0; i <= 2; ++i) {
600
601 MOBJ(new_vh[i]).set_position(_target_state, zero_point);
602 MOBJ(new_vh[i]).set_state(_target_state);
603 MOBJ(new_vh[i]).set_not_final();
604
605 Base::mesh_.set_point(new_vh[i], (Base::mesh_.point(vh[i]) + Base::mesh_.point(vh[(i + 2) % 3])) * 0.5);
606
607 MOBJ(Base::mesh_.EH(hh[i])).set_state(_target_state);
608 MOBJ(Base::mesh_.EH(hh[i])).set_position(_target_state, zero_point);
609 MOBJ(Base::mesh_.EH(hh[i])).set_final();
610
611 MOBJ(Base::mesh_.EH(Base::mesh_.NHEH(hh[i]))).set_state(_target_state);
612 MOBJ(Base::mesh_.EH(Base::mesh_.NHEH(hh[i]))).set_position(_target_state, zero_point);
613 MOBJ(Base::mesh_.EH(Base::mesh_.NHEH(hh[i]))).set_final();
614
615 MOBJ(Base::mesh_.EH(Base::mesh_.PHEH(hh[i]))).set_state(_target_state);
616 MOBJ(Base::mesh_.EH(Base::mesh_.PHEH(hh[i]))).set_position(_target_state, zero_point);
617 MOBJ(Base::mesh_.EH(Base::mesh_.PHEH(hh[i]))).set_final();
618 }
619
620 // check, if opposite triangle needs splitting
621 while (!halfedge_vector.empty()) {
622
623 temp_hh = halfedge_vector.back();
624 halfedge_vector.pop_back();
625
626 check_edge(temp_hh, _target_state);
627 }
628
629 assert(MOBJ(fh[0]).state() == _target_state);
630 assert(MOBJ(fh[1]).state() == _target_state);
631 assert(MOBJ(fh[2]).state() == _target_state);
632 assert(MOBJ(fh[3]).state() == _target_state);
633 }
634}
635
636
637template<class M>
638void
639Tvv4<M>::raise(typename M::VertexHandle& _vh, state_t _target_state)
640{
641
642 if (MOBJ(_vh).state() < _target_state)
643 {
644
645 this->update(_vh, _target_state);
646
647 // multiply old position by 4
648 MOBJ(_vh).set_position(_target_state, MOBJ(_vh).position(_target_state - 1) * static_cast<typename M::Point::value_type>(4.0));
649
650 MOBJ(_vh).inc_state();
651 }
652}
653
654
655template<class M>
656void
657Tvv4<M>::raise(typename M::EdgeHandle& _eh, state_t _target_state)
658{
659 if (MOBJ(_eh).state() < _target_state)
660 {
661 this->update(_eh, _target_state);
662
663 typename M::FaceHandle fh(Base::mesh_.FH(Base::mesh_.HEH(_eh, 0)));
664
665 if (!fh.is_valid())
666 fh=Base::mesh_.FH(Base::mesh_.HEH(_eh, 1));
667
668 raise(fh, _target_state);
669
670 assert(MOBJ(_eh).state() == _target_state);
671 }
672}
673
674#ifndef DOXY_IGNORE_THIS
675
676template<class M>
677void
678Tvv4<M>::split_edge(typename M::HalfedgeHandle &_hh,
679 typename M::VertexHandle &_vh,
680 state_t _target_state)
681 {
682 typename M::HalfedgeHandle temp_hh;
683
684 if (Base::mesh_.FH(Base::mesh_.OHEH(_hh)).is_valid())
685 {
686 if (!MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(_hh))).final())
687 {
688 if (MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(_hh))).red_halfedge().is_valid())
689 {
690 temp_hh = MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(_hh))).red_halfedge();
691 }
692 else
693 {
694 // two cases for divided, but not visited face
695 if (MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.PHEH(Base::mesh_.OHEH(_hh))))).state()
696 == MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(_hh))).state())
697 {
698 temp_hh = Base::mesh_.PHEH(Base::mesh_.OHEH(_hh));
699 }
700
701 else if (MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(_hh))))).state()
702 == MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(_hh))).state())
703 {
704 temp_hh = Base::mesh_.NHEH(Base::mesh_.OHEH(_hh));
705 }
706 }
707 }
708 else
709 temp_hh = Base::mesh_.InvalidHalfedgeHandle;
710 }
711 else
712 temp_hh = Base::mesh_.InvalidHalfedgeHandle;
713
714 // split edge
715 Base::mesh_.split(Base::mesh_.EH(_hh), _vh);
716
717 if (Base::mesh_.FVH(_hh) == _vh)
718 {
719 MOBJ(Base::mesh_.EH(Base::mesh_.PHEH(Base::mesh_.OHEH(Base::mesh_.PHEH(_hh))))).set_state(MOBJ(Base::mesh_.EH(_hh)).state());
720 _hh = Base::mesh_.PHEH(Base::mesh_.OHEH(Base::mesh_.PHEH(_hh)));
721 }
722
723 if (Base::mesh_.FH(Base::mesh_.OHEH(_hh)).is_valid()) {
724
725 MOBJ(Base::mesh_.EH(Base::mesh_.PHEH(Base::mesh_.OHEH(_hh)))).set_not_final();
726 MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(_hh))).set_state(_target_state-1);
727 MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(Base::mesh_.NHEH(_hh)))))).set_state(_target_state-1);
728
729 MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(_hh))).set_not_final();
730 MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(Base::mesh_.NHEH(_hh)))))).set_not_final();
731
732 MOBJ(Base::mesh_.EH(Base::mesh_.PHEH(Base::mesh_.OHEH(_hh)))).set_state(_target_state);
733
734 if (temp_hh.is_valid()) {
735
736 MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(_hh))).set_red_halfedge(temp_hh);
737 MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(Base::mesh_.NHEH(_hh)))))).set_red_halfedge(temp_hh);
738 }
739 else {
740
741 typename M::FaceHandle
742 fh1(Base::mesh_.FH(Base::mesh_.OHEH(_hh))),
743 fh2(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(Base::mesh_.OHEH(Base::mesh_.NHEH(_hh))))));
744
745 MOBJ(fh1).set_red_halfedge(Base::mesh_.OHEH(Base::mesh_.PHEH(Base::mesh_.OHEH(_hh))));
746 MOBJ(fh2).set_red_halfedge(Base::mesh_.OHEH(Base::mesh_.PHEH(Base::mesh_.OHEH(_hh))));
747
748 const typename M::Point zero_point(0.0, 0.0, 0.0);
749
750 MOBJ(fh1).set_position(_target_state - 1, zero_point);
751 MOBJ(fh2).set_position(_target_state - 1, zero_point);
752 }
753 }
754
755 // init edges
756 MOBJ(Base::mesh_.EH(Base::mesh_.NHEH(Base::mesh_.OHEH(Base::mesh_.NHEH(_hh))))).set_state(_target_state - 1);
757 MOBJ(Base::mesh_.EH(Base::mesh_.NHEH(Base::mesh_.OHEH(Base::mesh_.NHEH(_hh))))).set_final();
758
759 MOBJ(Base::mesh_.EH(_hh)).set_state(_target_state - 1);
760 MOBJ(Base::mesh_.EH(_hh)).set_final();
761}
762
763
764template<class M>
765void Tvv4<M>::check_edge(const typename M::HalfedgeHandle& _hh,
766 state_t _target_state)
767{
768 typename M::FaceHandle fh1(Base::mesh_.FH(_hh)),
769 fh2(Base::mesh_.FH(Base::mesh_.OHEH(_hh)));
770
771 assert(fh1.is_valid());
772 assert(fh2.is_valid());
773
774 typename M::HalfedgeHandle red_hh(MOBJ(fh1).red_halfedge());
775
776 if (!MOBJ(fh1).final()) {
777
778 assert (MOBJ(fh1).final() == MOBJ(fh2).final());
779 assert (!MOBJ(fh1).final());
780 assert (MOBJ(fh1).red_halfedge() == MOBJ(fh2).red_halfedge());
781
782 const typename M::Point zero_point(0.0, 0.0, 0.0);
783
784 MOBJ(fh1).set_position(_target_state - 1, zero_point);
785 MOBJ(fh2).set_position(_target_state - 1, zero_point);
786
787 assert(red_hh.is_valid());
788
789 if (!red_hh.is_valid()) {
790
791 MOBJ(fh1).set_state(_target_state - 1);
792 MOBJ(fh2).set_state(_target_state - 1);
793
794 MOBJ(fh1).set_red_halfedge(_hh);
795 MOBJ(fh2).set_red_halfedge(_hh);
796
797 MOBJ(Base::mesh_.EH(_hh)).set_not_final();
798 MOBJ(Base::mesh_.EH(_hh)).set_state(_target_state - 1);
799 }
800
801 else {
802
803 MOBJ(Base::mesh_.EH(_hh)).set_not_final();
804 MOBJ(Base::mesh_.EH(_hh)).set_state(_target_state - 1);
805
806 raise(fh1, _target_state);
807
808 assert(MOBJ(fh1).state() == _target_state);
809 }
810 }
811}
812
813
814// -------------------------------------------------------------------- VF ----
815
816
817template<class M>
818void VF<M>::raise(typename M::FaceHandle& _fh, state_t _target_state)
819{
820 if (MOBJ(_fh).state() < _target_state) {
821
822 this->update(_fh, _target_state);
823
824 // raise all neighbor vertices to level x-1
825 typename M::FaceVertexIter fv_it;
826 typename M::VertexHandle vh;
827 std::vector<typename M::VertexHandle> vertex_vector;
828
829 if (_target_state > 1) {
830
831 for (fv_it = Base::mesh_.fv_iter(_fh); fv_it.is_valid(); ++fv_it) {
832
833 vertex_vector.push_back(*fv_it);
834 }
835
836 while (!vertex_vector.empty()) {
837
838 vh = vertex_vector.back();
839 vertex_vector.pop_back();
840
841 Base::prev_rule()->raise(vh, _target_state - 1);
842 }
843 }
844
845 // calculate new position
846 typename M::Point position(0.0, 0.0, 0.0);
847 typename M::Scalar valence(0.0);
848
849 for (fv_it = Base::mesh_.fv_iter(_fh); fv_it.is_valid(); ++fv_it) {
850
851 valence += 1.0;
852 position += Base::mesh_.data(*fv_it).position(_target_state - 1);
853 }
854
855 position /= valence;
856
857 // boundary rule
858 if (Base::number() == Base::subdiv_rule()->number() + 1 &&
859 Base::mesh_.is_boundary(_fh) &&
860 !MOBJ(_fh).final())
861 position *= static_cast<typename M::Scalar>(0.5);
862
863 MOBJ(_fh).set_position(_target_state, position);
864 MOBJ(_fh).inc_state();
865
866 assert(_target_state == MOBJ(_fh).state());
867 }
868}
869
870
871// -------------------------------------------------------------------- FF ----
872
873
874template<class M>
875void FF<M>::raise(typename M::FaceHandle& _fh, state_t _target_state) {
876
877 if (MOBJ(_fh).state() < _target_state) {
878
879 this->update(_fh, _target_state);
880
881 // raise all neighbor faces to level x-1
882 typename M::FaceFaceIter ff_it;
883 typename M::FaceHandle fh;
884 std::vector<typename M::FaceHandle> face_vector;
885
886 if (_target_state > 1) {
887
888 for (ff_it = Base::mesh_.ff_iter(_fh); ff_it.is_valid(); ++ff_it) {
889
890 face_vector.push_back(*ff_it);
891 }
892
893 while (!face_vector.empty()) {
894
895 fh = face_vector.back();
896 face_vector.pop_back();
897
898 Base::prev_rule()->raise(fh, _target_state - 1);
899 }
900
901 for (ff_it = Base::mesh_.ff_iter(_fh); ff_it.is_valid(); ++ff_it) {
902
903 face_vector.push_back(*ff_it);
904 }
905
906 while (!face_vector.empty()) {
907
908 fh = face_vector.back();
909 face_vector.pop_back();
910
911 while (MOBJ(fh).state() < _target_state - 1)
912 Base::prev_rule()->raise(fh, _target_state - 1);
913 }
914 }
915
916 // calculate new position
917 typename M::Point position(0.0, 0.0, 0.0);
918 typename M::Scalar valence(0.0);
919
920 for (ff_it = Base::mesh_.ff_iter(_fh); ff_it.is_valid(); ++ff_it) {
921
922 valence += 1.0;
923
924 position += Base::mesh_.data(*ff_it).position(_target_state - 1);
925 }
926
927 position /= valence;
928
929 MOBJ(_fh).set_position(_target_state, position);
930 MOBJ(_fh).inc_state();
931 }
932}
933
934
935// ------------------------------------------------------------------- FFc ----
936
937
938template<class M>
939void FFc<M>::raise(typename M::FaceHandle& _fh, state_t _target_state)
940{
941 if (MOBJ(_fh).state() < _target_state) {
942
943 this->update(_fh, _target_state);
944
945 // raise all neighbor faces to level x-1
946 typename M::FaceFaceIter ff_it(Base::mesh_.ff_iter(_fh));
947 typename M::FaceHandle fh;
948 std::vector<typename M::FaceHandle> face_vector;
949
950 if (_target_state > 1)
951 {
952 for (; ff_it.is_valid(); ++ff_it)
953 face_vector.push_back(*ff_it);
954
955 while (!face_vector.empty())
956 {
957 fh = face_vector.back();
958 face_vector.pop_back();
959 Base::prev_rule()->raise(fh, _target_state - 1);
960 }
961
962 for (ff_it = Base::mesh_.ff_iter(_fh); ff_it.is_valid(); ++ff_it)
963 face_vector.push_back(*ff_it);
964
965 while (!face_vector.empty()) {
966
967 fh = face_vector.back();
968 face_vector.pop_back();
969
970 while (MOBJ(fh).state() < _target_state - 1)
971 Base::prev_rule()->raise(fh, _target_state - 1);
972 }
973 }
974
975 // calculate new position
976 typename M::Point position(0.0, 0.0, 0.0);
977 typename M::Scalar valence(0.0);
978
979 for (ff_it = Base::mesh_.ff_iter(_fh); ff_it.is_valid(); ++ff_it)
980 {
981 valence += 1.0;
982 position += Base::mesh_.data(*ff_it).position(_target_state - 1);
983 }
984
985 position /= valence;
986
987 // choose coefficient c
988 typename M::Scalar c = Base::coeff();
989
990 position *= (static_cast<typename M::Scalar>(1.0) - c);
991 position += MOBJ(_fh).position(_target_state - 1) * c;
992
993 MOBJ(_fh).set_position(_target_state, position);
994 MOBJ(_fh).inc_state();
995 }
996}
997
998
999// -------------------------------------------------------------------- FV ----
1000
1001
1002template<class M>
1003void FV<M>::raise(typename M::VertexHandle& _vh, state_t _target_state)
1004{
1005
1006 if (MOBJ(_vh).state() < _target_state) {
1007
1008 this->update(_vh, _target_state);
1009
1010 // raise all neighbor vertices to level x-1
1011 typename M::VertexFaceIter vf_it(Base::mesh_.vf_iter(_vh));
1012 typename M::FaceHandle fh;
1013 std::vector<typename M::FaceHandle> face_vector;
1014
1015 if (_target_state > 1) {
1016
1017 for (; vf_it.is_valid(); ++vf_it) {
1018
1019 face_vector.push_back(*vf_it);
1020 }
1021
1022 while (!face_vector.empty()) {
1023
1024 fh = face_vector.back();
1025 face_vector.pop_back();
1026
1027 Base::prev_rule()->raise(fh, _target_state - 1);
1028 }
1029
1030 for (vf_it = Base::mesh_.vf_iter(_vh); vf_it.is_valid(); ++vf_it) {
1031
1032 face_vector.push_back(*vf_it);
1033 }
1034
1035 while (!face_vector.empty()) {
1036
1037 fh = face_vector.back();
1038 face_vector.pop_back();
1039
1040 while (MOBJ(fh).state() < _target_state - 1)
1041 Base::prev_rule()->raise(fh, _target_state - 1);
1042 }
1043 }
1044
1045 // calculate new position
1046 typename M::Point position(0.0, 0.0, 0.0);
1047 typename M::Scalar valence(0.0);
1048
1049 for (vf_it = Base::mesh_.vf_iter(_vh); vf_it.is_valid(); ++vf_it) {
1050
1051 valence += 1.0;
1052 position += Base::mesh_.data(*vf_it).position(_target_state - 1);
1053 }
1054
1055 position /= valence;
1056
1057 MOBJ(_vh).set_position(_target_state, position);
1058 MOBJ(_vh).inc_state();
1059
1060 if (Base::number() == Base::n_rules() - 1) {
1061
1062 Base::mesh_.set_point(_vh, position);
1063 MOBJ(_vh).set_final();
1064 }
1065 }
1066}
1067
1068
1069// ------------------------------------------------------------------- FVc ----
1070
1071
1072template<class M>
1073void FVc<M>::raise(typename M::VertexHandle& _vh, state_t _target_state)
1074{
1075 if (MOBJ(_vh).state() < _target_state) {
1076
1077 this->update(_vh, _target_state);
1078
1079 typename M::VertexOHalfedgeIter voh_it;
1080 typename M::FaceHandle fh;
1081 std::vector<typename M::FaceHandle> face_vector;
1082 int valence(0);
1083
1084 face_vector.clear();
1085
1086 // raise all neighbour faces to level x-1
1087 if (_target_state > 1) {
1088
1089 for (voh_it = Base::mesh_.voh_iter(_vh); voh_it.is_valid(); ++voh_it) {
1090
1091 if (Base::mesh_.FH(*voh_it).is_valid()) {
1092
1093 face_vector.push_back(Base::mesh_.FH(*voh_it));
1094
1095 if (Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(*voh_it))).is_valid()) {
1096
1097 face_vector.push_back(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(*voh_it))));
1098 }
1099 }
1100 }
1101
1102 while (!face_vector.empty()) {
1103
1104 fh = face_vector.back();
1105 face_vector.pop_back();
1106
1107 Base::prev_rule()->raise(fh, _target_state - 1);
1108 }
1109
1110 for (voh_it = Base::mesh_.voh_iter(_vh); voh_it.is_valid(); ++voh_it) {
1111
1112 if (Base::mesh_.FH(*voh_it).is_valid()) {
1113
1114 face_vector.push_back(Base::mesh_.FH(*voh_it));
1115
1116 if (Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(*voh_it))).is_valid()) {
1117
1118 face_vector.push_back(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(*voh_it))));
1119 }
1120 }
1121 }
1122
1123 while (!face_vector.empty()) {
1124
1125 fh = face_vector.back();
1126 face_vector.pop_back();
1127
1128 while (MOBJ(fh).state() < _target_state - 1)
1129 Base::prev_rule()->raise(fh, _target_state - 1);
1130 }
1131
1132 for (voh_it = Base::mesh_.voh_iter(_vh); voh_it.is_valid(); ++voh_it) {
1133
1134 if (Base::mesh_.FH(*voh_it).is_valid()) {
1135
1136 face_vector.push_back(Base::mesh_.FH(*voh_it));
1137
1138 if (Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(*voh_it))).is_valid()) {
1139
1140 face_vector.push_back(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(*voh_it))));
1141 }
1142 }
1143 }
1144
1145 while (!face_vector.empty()) {
1146
1147 fh = face_vector.back();
1148 face_vector.pop_back();
1149
1150 while (MOBJ(fh).state() < _target_state - 1)
1151 Base::prev_rule()->raise(fh, _target_state - 1);
1152 }
1153 }
1154
1155 // calculate new position
1156 typename M::Point position(0.0, 0.0, 0.0);
1157 typename M::Scalar c;
1158#if 0
1159 const typename M::Scalar _2pi(2.0*M_PI);
1160 const typename M::Scalar _2over3(2.0/3.0);
1161
1162 for (voh_it = Base::mesh_.voh_iter(_vh); voh_it; ++voh_it)
1163 {
1164 ++valence;
1165 }
1166
1167 // choose coefficient c
1168 c = _2over3 * ( cos( _2pi / valence) + 1.0);
1169#else
1170 valence = Base::mesh_.valence(_vh);
1171 c = typename M::Scalar(coeff(valence));
1172#endif
1173
1174
1175 for (voh_it = Base::mesh_.voh_iter(_vh); voh_it.is_valid(); ++voh_it) {
1176
1177 fh = Base::mesh_.FH(*voh_it);
1178 if (fh.is_valid())
1179 Base::prev_rule()->raise(fh, _target_state - 1);
1180
1181 fh = Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(*voh_it)));
1182 if (fh.is_valid())
1183 Base::prev_rule()->raise(fh, _target_state - 1);
1184
1185 if (Base::mesh_.FH(*voh_it).is_valid()) {
1186
1187 if (Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(*voh_it))).is_valid()) {
1188
1189 position += MOBJ(Base::mesh_.FH(*voh_it)).position(_target_state - 1) * c;
1190
1191 position += MOBJ(Base::mesh_.FH(Base::mesh_.OHEH(Base::mesh_.NHEH(*voh_it)))).position(_target_state - 1) * ( typename M::Scalar(1.0) - c);
1192 }
1193 else {
1194
1195 position += MOBJ(Base::mesh_.FH(*voh_it)).position(_target_state - 1);
1196 }
1197 }
1198
1199 else {
1200
1201 --valence;
1202 }
1203 }
1204
1205 position /= typename M::Scalar(valence);
1206
1207 MOBJ(_vh).set_position(_target_state, position);
1208 MOBJ(_vh).inc_state();
1209
1210 assert(MOBJ(_vh).state() == _target_state);
1211
1212 // check if last rule
1213 if (Base::number() == Base::n_rules() - 1) {
1214
1215 Base::mesh_.set_point(_vh, position);
1216 MOBJ(_vh).set_final();
1217 }
1218 }
1219}
1220
1221template<class M>
1222std::vector<double> FVc<M>::coeffs_;
1223
1224template <class M>
1225void FVc<M>::init_coeffs(size_t _max_valence)
1226{
1227 if ( coeffs_.size() == _max_valence+1 )
1228 return;
1229
1230 if ( coeffs_.size() < _max_valence+1 )
1231 {
1232 const double _2pi(2.0*M_PI);
1233 const double _2over3(2.0/3.0);
1234
1235 if (coeffs_.empty())
1236 coeffs_.push_back(0.0); // dummy for valence 0
1237
1238 for(size_t v=coeffs_.size(); v <= _max_valence; ++v)
1239 coeffs_.push_back(_2over3 * ( cos( _2pi / v) + 1.0));
1240 }
1241}
1242
1243
1244// -------------------------------------------------------------------- VV ----
1245
1246
1247template<class M>
1248void VV<M>::raise(typename M::VertexHandle& _vh, state_t _target_state)
1249{
1250 if (MOBJ(_vh).state() < _target_state)
1251 {
1252 this->update(_vh, _target_state);
1253
1254 // raise all neighbor vertices to level x-1
1255 typename M::VertexVertexIter vv_it(Base::mesh_.vv_iter(_vh));
1256 typename M::VertexHandle vh;
1257 std::vector<typename M::VertexHandle> vertex_vector;
1258
1259 if (_target_state > 1) {
1260
1261 for (; vv_it.is_valid(); ++vv_it) {
1262
1263 vertex_vector.push_back(*vv_it);
1264 }
1265
1266 while (!vertex_vector.empty()) {
1267
1268 vh = vertex_vector.back();
1269 vertex_vector.pop_back();
1270
1271 Base::prev_rule()->raise(vh, _target_state - 1);
1272 }
1273
1274 for (; vv_it.is_valid(); ++vv_it) {
1275
1276 vertex_vector.push_back(*vv_it);
1277 }
1278
1279 while (!vertex_vector.empty()) {
1280
1281 vh = vertex_vector.back();
1282 vertex_vector.pop_back();
1283
1284 Base::prev_rule()->raise(vh, _target_state - 1);
1285 }
1286 }
1287
1288 // calculate new position
1289 typename M::Point position(0.0, 0.0, 0.0);
1290 typename M::Scalar valence(0.0);
1291
1292 for (vv_it = Base::mesh_.vv_iter(_vh); vv_it.is_valid(); ++vv_it) {
1293
1294 valence += 1.0;
1295 position += Base::mesh_.data(*vv_it).position(_target_state - 1);
1296 }
1297
1298 position /= valence;
1299
1300 MOBJ(_vh).set_position(_target_state, position);
1301 MOBJ(_vh).inc_state();
1302
1303 // check if last rule
1304 if (Base::number() == Base::n_rules() - 1) {
1305
1306 Base::mesh_.set_point(_vh, position);
1307 MOBJ(_vh).set_final();
1308 }
1309 }
1310}
1311
1312
1313// ------------------------------------------------------------------- VVc ----
1314
1315
1316template<class M>
1317void VVc<M>::raise(typename M::VertexHandle& _vh, state_t _target_state)
1318{
1319 if (MOBJ(_vh).state() < _target_state) {
1320
1321 this->update(_vh, _target_state);
1322
1323 // raise all neighbor vertices to level x-1
1324 typename M::VertexVertexIter vv_it(Base::mesh_.vv_iter(_vh));
1325 typename M::VertexHandle vh;
1326 std::vector<typename M::VertexHandle> vertex_vector;
1327
1328 if (_target_state > 1) {
1329
1330 for (; vv_it.is_valid(); ++vv_it) {
1331
1332 vertex_vector.push_back(*vv_it);
1333 }
1334
1335 while (!vertex_vector.empty()) {
1336
1337 vh = vertex_vector.back();
1338 vertex_vector.pop_back();
1339
1340 Base::prev_rule()->raise(vh, _target_state - 1);
1341 }
1342
1343 for (; vv_it.is_valid(); ++vv_it) {
1344
1345 vertex_vector.push_back(*vv_it);
1346 }
1347
1348 while (!vertex_vector.empty()) {
1349
1350 vh = vertex_vector.back();
1351 vertex_vector.pop_back();
1352
1353 Base::prev_rule()->raise(vh, _target_state - 1);
1354 }
1355 }
1356
1357 // calculate new position
1358 typename M::Point position(0.0, 0.0, 0.0);
1359 typename M::Scalar valence(0.0);
1360 typename M::Scalar c;
1361
1362 for (vv_it = Base::mesh_.vv_iter(_vh); vv_it.is_valid(); ++vv_it)
1363 {
1364 valence += 1.0;
1365 position += Base::mesh_.data(*vv_it).position(_target_state - 1);
1366 }
1367
1368 position /= valence;
1369
1370 // choose coefficient c
1371 c = Base::coeff();
1372
1373 position *= (static_cast<typename M::Scalar>(1.0) - c);
1374 position += MOBJ(_vh).position(_target_state - 1) * c;
1375
1376 MOBJ(_vh).set_position(_target_state, position);
1377 MOBJ(_vh).inc_state();
1378
1379 if (Base::number() == Base::n_rules() - 1)
1380 {
1381 Base::mesh_.set_point(_vh, position);
1382 MOBJ(_vh).set_final();
1383 }
1384 }
1385}
1386
1387
1388// -------------------------------------------------------------------- VE ----
1389
1390
1391template<class M>
1392void VE<M>::raise(typename M::EdgeHandle& _eh, state_t _target_state)
1393{
1394 if (MOBJ(_eh).state() < _target_state) {
1395
1396 this->update(_eh, _target_state);
1397
1398 // raise all neighbour vertices to level x-1
1399 typename M::VertexHandle vh;
1400 typename M::HalfedgeHandle hh1(Base::mesh_.HEH(_eh, 0)),
1401 hh2(Base::mesh_.HEH(_eh, 1));
1402
1403 if (_target_state > 1) {
1404
1405 vh = Base::mesh_.TVH(hh1);
1406
1407 Base::prev_rule()->raise(vh, _target_state - 1);
1408
1409 vh = Base::mesh_.TVH(hh2);
1410
1411 Base::prev_rule()->raise(vh, _target_state - 1);
1412 }
1413
1414 // calculate new position
1415 typename M::Point position(0.0, 0.0, 0.0);
1416 const typename M::Scalar valence(2.0);
1417
1418 position += MOBJ(Base::mesh_.TVH(hh1)).position(_target_state - 1);
1419 position += MOBJ(Base::mesh_.TVH(hh2)).position(_target_state - 1);
1420
1421 position /= valence;
1422
1423 MOBJ(_eh).set_position(_target_state, position);
1424 MOBJ(_eh).inc_state();
1425 }
1426}
1427
1428
1429// ------------------------------------------------------------------- VdE ----
1430
1431
1432template<class M>
1433void VdE<M>::raise(typename M::EdgeHandle& _eh, state_t _target_state)
1434{
1435 if (MOBJ(_eh).state() < _target_state)
1436 {
1437 this->update(_eh, _target_state);
1438
1439 // raise all neighbor vertices to level x-1
1440 typename M::VertexHandle vh;
1441 typename M::HalfedgeHandle hh1(Base::mesh_.HEH(_eh, 0)),
1442 hh2(Base::mesh_.HEH(_eh, 1));
1443 typename M::FaceHandle fh1, fh2;
1444
1445 if (_target_state > 1) {
1446
1447 fh1 = Base::mesh_.FH(hh1);
1448 fh2 = Base::mesh_.FH(hh2);
1449
1450 if (fh1.is_valid()) {
1451
1452 Base::prev_rule()->raise(fh1, _target_state - 1);
1453
1454 vh = Base::mesh_.TVH(Base::mesh_.NHEH(hh1));
1455 Base::prev_rule()->raise(vh, _target_state - 1);
1456 }
1457
1458 if (fh2.is_valid()) {
1459
1460 Base::prev_rule()->raise(fh2, _target_state - 1);
1461
1462 vh = Base::mesh_.TVH(Base::mesh_.NHEH(hh2));
1463 Base::prev_rule()->raise(vh, _target_state - 1);
1464 }
1465
1466 vh = Base::mesh_.TVH(hh1);
1467 Base::prev_rule()->raise(vh, _target_state - 1);
1468
1469 vh = Base::mesh_.TVH(hh2);
1470 Base::prev_rule()->raise(vh, _target_state - 1);
1471 }
1472
1473 // calculate new position
1474 typename M::Point position(0.0, 0.0, 0.0);
1475 typename M::Scalar valence(2.0);
1476
1477 position += MOBJ(Base::mesh_.TVH(hh1)).position(_target_state - 1);
1478 position += MOBJ(Base::mesh_.TVH(hh2)).position(_target_state - 1);
1479
1480 if (fh1.is_valid()) {
1481
1482 position += MOBJ(Base::mesh_.TVH(Base::mesh_.NHEH(hh1))).position(_target_state - 1);
1483 valence += 1.0;
1484 }
1485
1486 if (fh2.is_valid()) {
1487
1488 position += MOBJ(Base::mesh_.TVH(Base::mesh_.NHEH(hh2))).position(_target_state - 1);
1489 valence += 1.0;
1490 }
1491
1492 if (Base::number() == Base::subdiv_rule()->Base::number() + 1)
1493 valence = 4.0;
1494
1495 position /= valence;
1496
1497 MOBJ(_eh).set_position(_target_state, position);
1498 MOBJ(_eh).inc_state();
1499 }
1500}
1501
1502
1503// ------------------------------------------------------------------ VdEc ----
1504
1505
1506template<class M>
1507void
1508VdEc<M>::raise(typename M::EdgeHandle& _eh, state_t _target_state)
1509{
1510 if (MOBJ(_eh).state() < _target_state)
1511 {
1512 this->update(_eh, _target_state);
1513
1514 // raise all neighbor vertices to level x-1
1515 typename M::VertexHandle vh;
1516 typename M::HalfedgeHandle hh1(Base::mesh_.HEH(_eh, 0)),
1517 hh2(Base::mesh_.HEH(_eh, 1));
1518 std::vector<typename M::VertexHandle> vertex_vector;
1519 typename M::FaceHandle fh1, fh2;
1520
1521 if (_target_state > 1) {
1522
1523 fh1 = Base::mesh_.FH(Base::mesh_.HEH(_eh, 0));
1524 fh2 = Base::mesh_.FH(Base::mesh_.HEH(_eh, 1));
1525
1526 Base::prev_rule()->raise(fh1, _target_state - 1);
1527 Base::prev_rule()->raise(fh2, _target_state - 1);
1528
1529 vertex_vector.push_back(Base::mesh_.TVH(hh1));
1530 vertex_vector.push_back(Base::mesh_.TVH(hh2));
1531
1532 vertex_vector.push_back(Base::mesh_.TVH(Base::mesh_.NHEH(hh1)));
1533 vertex_vector.push_back(Base::mesh_.TVH(Base::mesh_.NHEH(hh2)));
1534
1535 while (!vertex_vector.empty()) {
1536
1537 vh = vertex_vector.back();
1538 vertex_vector.pop_back();
1539
1540 Base::prev_rule()->raise(vh, _target_state - 1);
1541 }
1542
1543 vertex_vector.push_back(Base::mesh_.TVH(hh1));
1544 vertex_vector.push_back(Base::mesh_.TVH(hh2));
1545
1546 vertex_vector.push_back(Base::mesh_.TVH(Base::mesh_.NHEH(hh1)));
1547 vertex_vector.push_back(Base::mesh_.TVH(Base::mesh_.NHEH(hh2)));
1548
1549 while (!vertex_vector.empty()) {
1550
1551 vh = vertex_vector.back();
1552 vertex_vector.pop_back();
1553
1554 Base::prev_rule()->raise(vh, _target_state - 1);
1555 }
1556 }
1557
1558 // calculate new position
1559 typename M::Point position(0.0, 0.0, 0.0);
1560 const typename M::Scalar valence(4.0);
1561 typename M::Scalar c;
1562
1563 // choose coefficient c
1564 c = Base::coeff();
1565
1566 position += MOBJ(Base::mesh_.TVH(hh1)).position(_target_state - 1) * c;
1567 position += MOBJ(Base::mesh_.TVH(hh2)).position(_target_state - 1) * c;
1568 position += MOBJ(Base::mesh_.TVH(Base::mesh_.NHEH(hh1))).position(_target_state - 1) * (0.5 - c);
1569 position += MOBJ(Base::mesh_.TVH(Base::mesh_.NHEH(hh2))).position(_target_state - 1) * (0.5 - c);
1570
1571 position /= valence;
1572
1573 MOBJ(_eh).set_position(_target_state, position);
1574 MOBJ(_eh).inc_state();
1575 }
1576}
1577
1578
1579// -------------------------------------------------------------------- EV ----
1580
1581
1582template<class M>
1583void EV<M>::raise(typename M::VertexHandle& _vh, state_t _target_state)
1584{
1585 if (MOBJ(_vh).state() < _target_state) {
1586
1587 this->update(_vh, _target_state);
1588
1589 // raise all neighbor vertices to level x-1
1590 typename M::VertexEdgeIter ve_it(Base::mesh_.ve_iter(_vh));
1591 typename M::EdgeHandle eh;
1592 std::vector<typename M::EdgeHandle> edge_vector;
1593
1594 if (_target_state > 1) {
1595
1596 for (; ve_it.is_valid(); ++ve_it) {
1597
1598 edge_vector.push_back(*ve_it);
1599 }
1600
1601 while (!edge_vector.empty()) {
1602
1603 eh = edge_vector.back();
1604 edge_vector.pop_back();
1605
1606 Base::prev_rule()->raise(eh, _target_state - 1);
1607 }
1608
1609 for (ve_it = Base::mesh_.ve_iter(_vh); ve_it.is_valid(); ++ve_it) {
1610
1611 edge_vector.push_back(*ve_it);
1612 }
1613
1614 while (!edge_vector.empty()) {
1615
1616 eh = edge_vector.back();
1617 edge_vector.pop_back();
1618
1619 while (MOBJ(eh).state() < _target_state - 1)
1620 Base::prev_rule()->raise(eh, _target_state - 1);
1621 }
1622 }
1623
1624 // calculate new position
1625 typename M::Point position(0.0, 0.0, 0.0);
1626 typename M::Scalar valence(0.0);
1627
1628 for (ve_it = Base::mesh_.ve_iter(_vh); ve_it.is_valid(); ++ve_it) {
1629
1630 if (Base::mesh_.data(*ve_it).final()) {
1631
1632 valence += 1.0;
1633
1634 position += Base::mesh_.data(*ve_it).position(_target_state - 1);
1635 }
1636 }
1637
1638 position /= valence;
1639
1640 MOBJ(_vh).set_position(_target_state, position);
1641 MOBJ(_vh).inc_state();
1642
1643 // check if last rule
1644 if (Base::number() == Base::n_rules() - 1) {
1645
1646 Base::mesh_.set_point(_vh, position);
1647 MOBJ(_vh).set_final();
1648 }
1649 }
1650}
1651
1652
1653// ------------------------------------------------------------------- EVc ----
1654
1655template<class M>
1656std::vector<double> EVc<M>::coeffs_;
1657
1658template<class M>
1659void EVc<M>::raise(typename M::VertexHandle& _vh, state_t _target_state)
1660{
1661 if (MOBJ(_vh).state() < _target_state)
1662 {
1663 this->update(_vh, _target_state);
1664
1665 // raise all neighbour vertices to level x-1
1666 typename M::VertexOHalfedgeIter voh_it;
1667 typename M::EdgeHandle eh;
1668 typename M::FaceHandle fh;
1669 std::vector<typename M::EdgeHandle> edge_vector;
1670 std::vector<typename M::FaceHandle> face_vector;
1671
1672 if (_target_state > 1) {
1673
1674 for (voh_it = Base::mesh_.voh_iter(_vh); voh_it.is_valid(); ++voh_it) {
1675
1676 face_vector.push_back(Base::mesh_.FH(*voh_it));
1677 }
1678
1679 while (!face_vector.empty()) {
1680
1681 fh = face_vector.back();
1682 face_vector.pop_back();
1683
1684 if (fh.is_valid())
1685 Base::prev_rule()->raise(fh, _target_state - 1);
1686 }
1687
1688 for (voh_it = Base::mesh_.voh_iter(_vh); voh_it.is_valid(); ++voh_it) {
1689
1690 edge_vector.push_back(Base::mesh_.EH(*voh_it));
1691
1692 edge_vector.push_back(Base::mesh_.EH(Base::mesh_.NHEH(*voh_it)));
1693 }
1694
1695 while (!edge_vector.empty()) {
1696
1697 eh = edge_vector.back();
1698 edge_vector.pop_back();
1699
1700 while (MOBJ(eh).state() < _target_state - 1)
1701 Base::prev_rule()->raise(eh, _target_state - 1);
1702 }
1703 }
1704
1705
1706 // calculate new position
1707 typename M::Point position(0.0, 0.0, 0.0);
1708 typename M::Scalar c;
1709 typename M::Point zero_point(0.0, 0.0, 0.0);
1710 size_t valence(0);
1711
1712 valence = Base::mesh_.valence(_vh);
1713 c = static_cast<typename M::Scalar>(coeff( valence ));
1714
1715 for (voh_it = Base::mesh_.voh_iter(_vh); voh_it.is_valid(); ++voh_it)
1716 {
1717 if (MOBJ(Base::mesh_.EH(*voh_it)).final())
1718 {
1719 position += MOBJ(Base::mesh_.EH(*voh_it)).position(_target_state-1)*c;
1720
1721 if ( Base::mesh_.FH(*voh_it).is_valid() &&
1722 MOBJ(Base::mesh_.EH(Base::mesh_.NHEH(*voh_it))).final() &&
1723 MOBJ(Base::mesh_.EH(Base::mesh_.NHEH(*voh_it))).position(_target_state - 1) != zero_point)
1724 {
1725 position += MOBJ(Base::mesh_.EH(Base::mesh_.NHEH(*voh_it))).position(_target_state-1) * (1.0-c);
1726 }
1727 else {
1728 position += MOBJ(Base::mesh_.EH(*voh_it)).position(_target_state - 1) * (1.0 - c);
1729 }
1730 }
1731 else {
1732 --valence;
1733 }
1734 }
1735
1736 position /= valence;
1737
1738 MOBJ(_vh).set_position(_target_state, position);
1739 MOBJ(_vh).inc_state();
1740
1741 // check if last rule
1742 if (Base::number() == Base::n_rules() - 1) {
1743
1744 Base::mesh_.set_point(_vh, position);
1745 MOBJ(_vh).set_final();
1746 }
1747 }
1748}
1749
1750
1751template <class M>
1752void
1753EVc<M>::init_coeffs(size_t _max_valence)
1754{
1755 if ( coeffs_.size() == _max_valence+1 ) // equal? do nothing
1756 return;
1757
1758 if (coeffs_.size() < _max_valence+1) // less than? add additional valences
1759 {
1760 const double _2pi = 2.0*M_PI;
1761
1762 if (coeffs_.empty())
1763 coeffs_.push_back(0.0); // dummy for invalid valences 0,1,2
1764
1765 for(size_t v=coeffs_.size(); v <= _max_valence; ++v)
1766 {
1767 // ( 3/2 + cos ( 2 PI / valence ) )� / 2 - 1
1768 double c = 1.5 + cos( _2pi / v );
1769 c = c * c * 0.5 - 1.0;
1770 coeffs_.push_back(c);
1771 }
1772 }
1773}
1774
1775
1776// -------------------------------------------------------------------- EF ----
1777
1778template<class M>
1779void
1780EF<M>::raise(typename M::FaceHandle& _fh, state_t _target_state) {
1781
1782 if (MOBJ(_fh).state() < _target_state) {
1783
1784 this->update(_fh, _target_state);
1785
1786 // raise all neighbour edges to level x-1
1787 typename M::FaceEdgeIter fe_it(Base::mesh_.fe_iter(_fh));
1788 typename M::EdgeHandle eh;
1789 std::vector<typename M::EdgeHandle> edge_vector;
1790
1791 if (_target_state > 1) {
1792
1793 for (; fe_it.is_valid(); ++fe_it) {
1794
1795 edge_vector.push_back(*fe_it);
1796 }
1797
1798 while (!edge_vector.empty()) {
1799
1800 eh = edge_vector.back();
1801 edge_vector.pop_back();
1802
1803 Base::prev_rule()->raise(eh, _target_state - 1);
1804 }
1805
1806 for (fe_it = Base::mesh_.fe_iter(_fh); fe_it.is_valid(); ++fe_it) {
1807
1808 edge_vector.push_back(*fe_it);
1809 }
1810
1811 while (!edge_vector.empty()) {
1812
1813 eh = edge_vector.back();
1814 edge_vector.pop_back();
1815
1816 while (MOBJ(eh).state() < _target_state - 1)
1817 Base::prev_rule()->raise(eh, _target_state - 1);
1818 }
1819 }
1820
1821 // calculate new position
1822 typename M::Point position(0.0, 0.0, 0.0);
1823 typename M::Scalar valence(0.0);
1824
1825 for (fe_it = Base::mesh_.fe_iter(_fh); fe_it.is_valid(); ++fe_it) {
1826
1827 if (Base::mesh_.data(*fe_it).final()) {
1828
1829 valence += 1.0;
1830
1831 position += Base::mesh_.data(*fe_it).position(_target_state - 1);
1832 }
1833 }
1834
1835 assert (valence == 3.0);
1836
1837 position /= valence;
1838
1839 MOBJ(_fh).set_position(_target_state, position);
1840 MOBJ(_fh).inc_state();
1841 }
1842}
1843
1844
1845// -------------------------------------------------------------------- FE ----
1846
1847
1848template<class M>
1849void
1850FE<M>::raise(typename M::EdgeHandle& _eh, state_t _target_state) {
1851
1852 if (MOBJ(_eh).state() < _target_state) {
1853
1854 this->update(_eh, _target_state);
1855
1856 // raise all neighbor faces to level x-1
1857 typename M::FaceHandle fh;
1858
1859 if (_target_state > 1) {
1860
1861 fh = Base::mesh_.FH(Base::mesh_.HEH(_eh, 0));
1862 Base::prev_rule()->raise(fh, _target_state - 1);
1863
1864 fh = Base::mesh_.FH(Base::mesh_.HEH(_eh, 1));
1865 Base::prev_rule()->raise(fh, _target_state - 1);
1866
1867 fh = Base::mesh_.FH(Base::mesh_.HEH(_eh, 0));
1868 Base::prev_rule()->raise(fh, _target_state - 1);
1869
1870 fh = Base::mesh_.FH(Base::mesh_.HEH(_eh, 1));
1871 Base::prev_rule()->raise(fh, _target_state - 1);
1872 }
1873
1874 // calculate new position
1875 typename M::Point position(0.0, 0.0, 0.0);
1876 const typename M::Scalar valence(2.0);
1877
1878 position += MOBJ(Base::mesh_.FH(Base::mesh_.HEH(_eh, 0))).position(_target_state - 1);
1879
1880 position += MOBJ(Base::mesh_.FH(Base::mesh_.HEH(_eh, 1))).position(_target_state - 1);
1881
1882 position /= valence;
1883
1884 MOBJ(_eh).set_position(_target_state, position);
1885 MOBJ(_eh).inc_state();
1886 }
1887}
1888
1889
1890// ------------------------------------------------------------------- EdE ----
1891
1892
1893template<class M>
1894void
1895EdE<M>::raise(typename M::EdgeHandle& _eh, state_t _target_state) {
1896
1897 if (MOBJ(_eh).state() < _target_state) {
1898
1899 this->update(_eh, _target_state);
1900
1901 // raise all neighbor faces and edges to level x-1
1902 typename M::HalfedgeHandle hh1, hh2;
1903 typename M::FaceHandle fh;
1904 typename M::EdgeHandle eh;
1905
1906 hh1 = Base::mesh_.HEH(_eh, 0);
1907 hh2 = Base::mesh_.HEH(_eh, 1);
1908
1909 if (_target_state > 1) {
1910
1911 fh = Base::mesh_.FH(hh1);
1912 Base::prev_rule()->raise(fh, _target_state - 1);
1913
1914 fh = Base::mesh_.FH(hh2);
1915 Base::prev_rule()->raise(fh, _target_state - 1);
1916
1917 eh = Base::mesh_.EH(Base::mesh_.NHEH(hh1));
1918 Base::prev_rule()->raise(eh, _target_state - 1);
1919
1920 eh = Base::mesh_.EH(Base::mesh_.PHEH(hh1));
1921 Base::prev_rule()->raise(eh, _target_state - 1);
1922
1923 eh = Base::mesh_.EH(Base::mesh_.NHEH(hh2));
1924 Base::prev_rule()->raise(eh, _target_state - 1);
1925
1926 eh = Base::mesh_.EH(Base::mesh_.PHEH(hh2));
1927 Base::prev_rule()->raise(eh, _target_state - 1);
1928 }
1929
1930 // calculate new position
1931 typename M::Point position(0.0, 0.0, 0.0);
1932 const typename M::Scalar valence(4.0);
1933
1934 position += MOBJ(Base::mesh_.EH(Base::mesh_.NHEH(hh1))).position(_target_state - 1);
1935 position += MOBJ(Base::mesh_.EH(Base::mesh_.PHEH(hh1))).position(_target_state - 1);
1936 position += MOBJ(Base::mesh_.EH(Base::mesh_.NHEH(hh2))).position(_target_state - 1);
1937 position += MOBJ(Base::mesh_.EH(Base::mesh_.PHEH(hh2))).position(_target_state - 1);
1938
1939 position /= valence;
1940
1941 MOBJ(_eh).set_position(_target_state, position);
1942 MOBJ(_eh).inc_state();
1943 }
1944}
1945
1946
1947// ------------------------------------------------------------------ EdEc ----
1948
1949
1950template<class M>
1951void
1952EdEc<M>::raise(typename M::EdgeHandle& _eh, state_t _target_state)
1953{
1954 if (MOBJ(_eh).state() < _target_state) {
1955
1956 this->update(_eh, _target_state);
1957
1958 // raise all neighbor faces and edges to level x-1
1959 typename M::HalfedgeHandle hh1, hh2;
1960 typename M::FaceHandle fh;
1961 typename M::EdgeHandle eh;
1962
1963 hh1 = Base::mesh_.HEH(_eh, 0);
1964 hh2 = Base::mesh_.HEH(_eh, 1);
1965
1966 if (_target_state > 1) {
1967
1968 fh = Base::mesh_.FH(hh1);
1969 Base::prev_rule()->raise(fh, _target_state - 1);
1970
1971 fh = Base::mesh_.FH(hh2);
1972 Base::prev_rule()->raise(fh, _target_state - 1);
1973
1974 eh = Base::mesh_.EH(Base::mesh_.NHEH(hh1));
1975 Base::prev_rule()->raise(eh, _target_state - 1);
1976
1977 eh = Base::mesh_.EH(Base::mesh_.PHEH(hh1));
1978 Base::prev_rule()->raise(eh, _target_state - 1);
1979
1980 eh = Base::mesh_.EH(Base::mesh_.NHEH(hh2));
1981 Base::prev_rule()->raise(eh, _target_state - 1);
1982
1983 eh = Base::mesh_.EH(Base::mesh_.PHEH(hh2));
1984 Base::prev_rule()->raise(eh, _target_state - 1);
1985 }
1986
1987 // calculate new position
1988 typename M::Point position(0.0, 0.0, 0.0);
1989 const typename M::Scalar valence(4.0);
1990 typename M::Scalar c;
1991
1992 position += MOBJ(Base::mesh_.EH(Base::mesh_.NHEH(hh1))).position(_target_state - 1);
1993 position += MOBJ(Base::mesh_.EH(Base::mesh_.PHEH(hh1))).position(_target_state - 1);
1994 position += MOBJ(Base::mesh_.EH(Base::mesh_.NHEH(hh2))).position(_target_state - 1);
1995 position += MOBJ(Base::mesh_.EH(Base::mesh_.PHEH(hh2))).position(_target_state - 1);
1996
1997 position /= valence;
1998
1999 // choose coefficient c
2000 c = Base::coeff();
2001
2002 position *= ( static_cast<typename M::Scalar>(1.0) - c);
2003
2004 position += MOBJ(_eh).position(_target_state - 1) * c;
2005
2006 MOBJ(_eh).set_position(_target_state, position);
2007 MOBJ(_eh).inc_state();
2008 }
2009}
2010
2011#endif // DOXY_IGNORE_THIS
2012
2013#undef FH
2014#undef VH
2015#undef EH
2016#undef HEH
2017#undef M
2018#undef MOBJ
2019
2020//=============================================================================
2021} // END_NS_ADAPTIVE
2022} // END_NS_SUBDIVIDER
2023} // END_NS_OPENMESH
2024//=============================================================================
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
OpenMesh::Subdivider::Adaptive::state_t
CompositeTraits::state_t state_t
Adaptive Composite Subdivision framework.
Definition: CompositeTraits.hh:250
OpenMesh::Subdivider::Adaptive::Tvv3::raise
void raise(typename M::FaceHandle &_fh, state_t _target_state) override
Raise item to target state _target_state.
Definition: RulesT_impl.hh:99
OpenMesh::Subdivider::Adaptive::Tvv4
Topological composite rule Tvv,4 doing a 1-4 split of a face.
Definition: RulesT.hh:116
OpenMesh::Subdivider::Adaptive::Tvv4::raise
void raise(typename M::FaceHandle &_fh, state_t _target_state) override
Raise item to target state _target_state.
Definition: RulesT_impl.hh:338
OpenMesh::Subdivider::Adaptive::VF::raise
void raise(typename M::FaceHandle &_fh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::FF::raise
void raise(typename M::FaceHandle &_fh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::FFc::raise
void raise(typename M::FaceHandle &_fh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::FV::raise
void raise(typename M::VertexHandle &_vh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::FVc::raise
void raise(typename M::VertexHandle &_vh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::VV::raise
void raise(typename M::VertexHandle &_vh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::VVc::raise
void raise(typename M::VertexHandle &_vh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::VE::raise
void raise(typename M::EdgeHandle &_eh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::VdE::raise
void raise(typename M::EdgeHandle &_eh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::VdEc::raise
void raise(typename M::EdgeHandle &_eh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::EV::raise
void raise(typename M::VertexHandle &_vh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::EVc::raise
void raise(typename M::VertexHandle &_vh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::EF::raise
void raise(typename M::FaceHandle &_fh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::FE::raise
void raise(typename M::EdgeHandle &_eh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::EdE::raise
void raise(typename M::EdgeHandle &_eh, state_t _target_state) override
Raise item to target state _target_state.
OpenMesh::Subdivider::Adaptive::EdEc::raise
void raise(typename M::EdgeHandle &_eh, state_t _target_state) override
Raise item to target state _target_state.
Project OpenMesh, ©  Visual Computing Institute, RWTH Aachen. Documentation generated using doxygen .