OpenVDB 7.0.0

Morphology.h
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1 // Copyright Contributors to the OpenVDB Project
2 // SPDX-License-Identifier: MPL-2.0
3 //
18
19 #ifndef OPENVDB_TOOLS_MORPHOLOGY_HAS_BEEN_INCLUDED
20 #define OPENVDB_TOOLS_MORPHOLOGY_HAS_BEEN_INCLUDED
21
22 #include <openvdb/Types.h>
23 #include <openvdb/Grid.h>
24 #include <openvdb/math/Math.h> // for isApproxEqual()
25 #include <openvdb/tree/TreeIterator.h>
26 #include <openvdb/tree/ValueAccessor.h>
27 #include <openvdb/tree/LeafManager.h>
28 #include "Prune.h"// for pruneLevelSet
29 #include "ValueTransformer.h" // for foreach()
30 #include <tbb/tbb_thread.h>
31 #include <tbb/task_scheduler_init.h>
32 #include <tbb/enumerable_thread_specific.h>
33 #include <tbb/parallel_for.h>
34 #include <functional>
35 #include <type_traits>
36 #include <vector>
37
38
39 namespace openvdb {
40 OPENVDB_USE_VERSION_NAMESPACE
41 namespace OPENVDB_VERSION_NAME {
42 namespace tools {
43
60 enum NearestNeighbors { NN_FACE = 6, NN_FACE_EDGE = 18, NN_FACE_EDGE_VERTEX = 26 };
61
75 enum TilePolicy { IGNORE_TILES, EXPAND_TILES, PRESERVE_TILES };
76
92 template<typename TreeType> OPENVDB_STATIC_SPECIALIZATION
93 inline void dilateActiveValues(TreeType& tree,
94 int iterations = 1,
95 NearestNeighbors nn = NN_FACE,
96 TilePolicy mode = PRESERVE_TILES);
97
122 template<typename TreeType> OPENVDB_STATIC_SPECIALIZATION
123 inline void dilateActiveValues(tree::LeafManager<TreeType>& manager,
124 int iterations = 1,
125 NearestNeighbors nn = NN_FACE,
126 TilePolicy mode = PRESERVE_TILES);
127
128
141 template<typename TreeType> OPENVDB_STATIC_SPECIALIZATION
142 inline void dilateVoxels(TreeType& tree,
143 int iterations = 1,
144 NearestNeighbors nn = NN_FACE);
145
160 template<typename TreeType> OPENVDB_STATIC_SPECIALIZATION
161 inline void dilateVoxels(tree::LeafManager<TreeType>& manager,
162 int iterations = 1,
163 NearestNeighbors nn = NN_FACE);
164
165
167 template<typename TreeType> OPENVDB_STATIC_SPECIALIZATION
173 inline void erodeVoxels(TreeType& tree,
174 int iterations=1,
175 NearestNeighbors nn = NN_FACE);
176
177 template<typename TreeType> OPENVDB_STATIC_SPECIALIZATION
178 inline void erodeVoxels(tree::LeafManager<TreeType>& manager,
179 int iterations = 1,
180 NearestNeighbors nn = NN_FACE);
182
183
186 template<typename GridOrTree>
187 inline void activate(
188 GridOrTree&,
189 const typename GridOrTree::ValueType& value,
190 const typename GridOrTree::ValueType& tolerance = zeroVal<typename GridOrTree::ValueType>()
191 );
192
193
196 template<typename GridOrTree>
197 inline void deactivate(
198 GridOrTree&,
199 const typename GridOrTree::ValueType& value,
200 const typename GridOrTree::ValueType& tolerance = zeroVal<typename GridOrTree::ValueType>()
201 );
202
203
205
206
208 template<Index Log2Dim> struct DimToWord {};
209 template<> struct DimToWord<3> { using Type = uint8_t; };
210 template<> struct DimToWord<4> { using Type = uint16_t; };
211 template<> struct DimToWord<5> { using Type = uint32_t; };
212 template<> struct DimToWord<6> { using Type = uint64_t; };
213
214
216
217
218 template<typename TreeType>
219 class Morphology
220 {
221 public:
222 using ManagerType = tree::LeafManager<TreeType>;
223
224 Morphology(TreeType& tree):
225 mOwnsManager(true), mManager(new ManagerType(tree)), mAcc(tree), mSteps(1) {}
226 Morphology(ManagerType* mgr):
227 mOwnsManager(false), mManager(mgr), mAcc(mgr->tree()), mSteps(1) {}
228 virtual ~Morphology() { if (mOwnsManager) delete mManager; }
229
231 void dilateVoxels6();
233 void dilateVoxels18();
235 void dilateVoxels26();
236 void dilateVoxels(int iterations = 1, NearestNeighbors nn = NN_FACE);
237
239 void erodeVoxels6() { mSteps = 1; this->doErosion(NN_FACE); }
241 void erodeVoxels18() { mSteps = 1; this->doErosion(NN_FACE_EDGE); }
243 void erodeVoxels26() { mSteps = 1; this->doErosion(NN_FACE_EDGE_VERTEX); }
244 void erodeVoxels(int iterations = 1, NearestNeighbors nn = NN_FACE)
245 {
246 mSteps = iterations;
247 this->doErosion(nn);
248 }
249
250 protected:
251
252 void doErosion(NearestNeighbors nn);
253
254 using LeafType = typename TreeType::LeafNodeType;
255 using MaskType = typename LeafType::NodeMaskType;
256 using AccessorType = tree::ValueAccessor<TreeType>;
257
258 const bool mOwnsManager;
259 ManagerType* mManager;
260 AccessorType mAcc;
261 int mSteps;
262
263 static const int LEAF_DIM = LeafType::DIM;
264 static const int LEAF_LOG2DIM = LeafType::LOG2DIM;
265 using Word = typename DimToWord<LEAF_LOG2DIM>::Type;
266
267 struct Neighbor {
268 LeafType* leaf;//null if a tile
269 bool init;//true if initialization is required
270 bool isOn;//true if an active tile
271 Neighbor() : leaf(nullptr), init(true) {}
272 inline void clear() { leaf = nullptr; init = true; }
273 template<int DX, int DY, int DZ>
274 void scatter(AccessorType& acc, const Coord &xyz, int indx, Word mask)
275 {
276 if (init) {
277 init = false;
278 Coord orig = xyz.offsetBy(DX*LEAF_DIM, DY*LEAF_DIM, DZ*LEAF_DIM);
279 leaf = acc.probeLeaf(orig);
280 if ((leaf == nullptr) && !acc.isValueOn(orig)) leaf = acc.touchLeaf(orig);
281 }
282 static const int N = (LEAF_DIM - 1)*(DY + DX*LEAF_DIM);
283 if (leaf) leaf->getValueMask().template getWord<Word>(indx-N) |= mask;
284 }
285
286 template<int DX, int DY, int DZ>
287 Word gather(AccessorType& acc, const Coord &xyz, int indx)
288 {
289 if (init) {
290 init = false;
291 Coord orig = xyz.offsetBy(DX*LEAF_DIM, DY*LEAF_DIM, DZ*LEAF_DIM);
292 leaf = acc.probeLeaf(orig);
293 isOn = leaf ? false : acc.isValueOn(orig);
294 }
295 static const int N = (LEAF_DIM -1 )*(DY + DX*LEAF_DIM);
296 return leaf ? leaf->getValueMask().template getWord<Word>(indx-N)
297 : isOn ? ~Word(0) : Word(0);
298 }
299 };// Neighbor
300
301 struct LeafCache
302 {
303 LeafCache(size_t n, TreeType& tree) : size(n), leafs(new LeafType*[n]), acc(tree)
304 {
305 onTile.setValuesOn();
306 this->clear();
307 }
308 ~LeafCache() { delete [] leafs; }
309 LeafType*& operator[](int offset) { return leafs[offset]; }
310 inline void clear() { for (size_t i = 0; i < size; ++i) leafs[i] = nullptr; }
311 inline void setOrigin(const Coord& xyz) { origin = &xyz; }
312 inline void scatter(int n, int indx)
313 {
314 assert(leafs[n]);
315 leafs[n]->getValueMask().template getWord<Word>(indx) |= mask;
316 }
317 template<int DX, int DY, int DZ>
318 inline void scatter(int n, int indx)
319 {
320 if (!leafs[n]) {
321 const Coord xyz = origin->offsetBy(DX*LEAF_DIM, DY*LEAF_DIM, DZ*LEAF_DIM);
322 leafs[n] = acc.probeLeaf(xyz);
323 if (!leafs[n]) leafs[n] = acc.isValueOn(xyz) ? &onTile : acc.touchLeaf(xyz);
324 }
325 this->scatter(n, indx - (LEAF_DIM - 1)*(DY + DX*LEAF_DIM));
326 }
327 inline Word gather(int n, int indx)
328 {
329 assert(leafs[n]);
330 return leafs[n]->getValueMask().template getWord<Word>(indx);
331 }
332 template<int DX, int DY, int DZ>
333 inline Word gather(int n, int indx)
334 {
335 if (!leafs[n]) {
336 const Coord xyz = origin->offsetBy(DX*LEAF_DIM, DY*LEAF_DIM, DZ*LEAF_DIM);
337 leafs[n] = acc.probeLeaf(xyz);
338 if (!leafs[n]) leafs[n] = acc.isValueOn(xyz) ? &onTile : &offTile;
339 }
340 return this->gather(n, indx - (LEAF_DIM -1 )*(DY + DX*LEAF_DIM));
341 }
342 // Scatters in the xy face-directions relative to leaf i1
343 void scatterFacesXY(int x, int y, int i1, int n, int i2);
344
345 // Scatters in the xy edge-directions relative to leaf i1
346 void scatterEdgesXY(int x, int y, int i1, int n, int i2);
347
348 Word gatherFacesXY(int x, int y, int i1, int n, int i2);
349
350 Word gatherEdgesXY(int x, int y, int i1, int n, int i2);
351
352 const Coord* origin;
353 size_t size;
354 LeafType** leafs;
355 LeafType onTile, offTile;
356 AccessorType acc;
357 Word mask;
358 };// LeafCache
359
360 struct ErodeVoxelsOp {
361 using RangeT = tbb::blocked_range<size_t>;
362 ErodeVoxelsOp(std::vector<MaskType>& masks, ManagerType& manager)
363 : mTask(nullptr), mSavedMasks(masks) , mManager(manager) {}
364 void runParallel(NearestNeighbors nn);
365 void operator()(const RangeT& r) const {mTask(const_cast<ErodeVoxelsOp*>(this), r);}
366 void erode6( const RangeT&) const;
367 void erode18(const RangeT&) const;
368 void erode26(const RangeT&) const;
369 private:
370 using FuncT = typename std::function<void (ErodeVoxelsOp*, const RangeT&)>;
371 FuncT mTask;
372 std::vector<MaskType>& mSavedMasks;
373 ManagerType& mManager;
374 };// ErodeVoxelsOp
375
376 struct MaskManager {
377 MaskManager(std::vector<MaskType>& masks, ManagerType& manager)
378 : mMasks(masks) , mManager(manager), mSaveMasks(true) {}
379
380 void save() { mSaveMasks = true; tbb::parallel_for(mManager.getRange(), *this); }
381 void update() { mSaveMasks = false; tbb::parallel_for(mManager.getRange(), *this); }
382 void operator()(const tbb::blocked_range<size_t>& range) const
383 {
384 if (mSaveMasks) {
385 for (size_t i = range.begin(); i < range.end(); ++i) {
386 mMasks[i] = mManager.leaf(i).getValueMask();
387 }
388 } else {
389 for (size_t i = range.begin(); i < range.end(); ++i) {
390 mManager.leaf(i).setValueMask(mMasks[i]);
391 }
392 }
393 }
394 private:
395 std::vector<MaskType>& mMasks;
396 ManagerType& mManager;
397 bool mSaveMasks;
398 };// MaskManager
399
400 struct UpdateMasks {
401 UpdateMasks(const std::vector<MaskType>& masks, ManagerType& manager)
402 : mMasks(masks), mManager(manager) {}
403 void update() { tbb::parallel_for(mManager.getRange(), *this); }
404 void operator()(const tbb::blocked_range<size_t>& r) const {
405 for (size_t i=r.begin(); i<r.end(); ++i) mManager.leaf(i).setValueMask(mMasks[i]);
406 }
407 const std::vector<MaskType>& mMasks;
408 ManagerType& mManager;
409 };
410 struct CopyMasks {
411 CopyMasks(std::vector<MaskType>& masks, const ManagerType& manager)
412 : mMasks(masks), mManager(manager) {}
413 void copy() { tbb::parallel_for(mManager.getRange(), *this); }
414 void operator()(const tbb::blocked_range<size_t>& r) const {
415 for (size_t i=r.begin(); i<r.end(); ++i) mMasks[i]=mManager.leaf(i).getValueMask();
416 }
417 std::vector<MaskType>& mMasks;
418 const ManagerType& mManager;
419 };
420 void copyMasks(std::vector<MaskType>& a, const ManagerType& b) {CopyMasks c(a, b); c.copy();}
421 };// Morphology
422
423
424 template<typename TreeType>
425 inline void
426 Morphology<TreeType>::dilateVoxels(int iterations, NearestNeighbors nn)
427 {
428 for (int i=0; i<iterations; ++i) {
429 switch (nn) {
430 case NN_FACE_EDGE:
431 this->dilateVoxels18();
432 break;
433 case NN_FACE_EDGE_VERTEX:
434 this->dilateVoxels26();
435 break;
436 case NN_FACE:
437 default:
438 this->dilateVoxels6();
439 }
440 }
441 }
442
443
444 template<typename TreeType>
445 inline void
446 Morphology<TreeType>::dilateVoxels6()
447 {
449 const int leafCount = static_cast<int>(mManager->leafCount());
450
451 // Save the value masks of all leaf nodes.
452 std::vector<MaskType> savedMasks(leafCount);
453 this->copyMasks(savedMasks, *mManager);
454 LeafCache cache(7, mManager->tree());
455 for (int leafIdx = 0; leafIdx < leafCount; ++leafIdx) {
456 const MaskType& oldMask = savedMasks[leafIdx];//original bit-mask of current leaf node
457 cache[0] = &mManager->leaf(leafIdx);
458 cache.setOrigin(cache[0]->origin());
459 for (int x = 0; x < LEAF_DIM; ++x ) {
460 for (int y = 0, n = (x << LEAF_LOG2DIM); y < LEAF_DIM; ++y, ++n) {
461 // Extract the portion of the original mask that corresponds to a row in z.
462 if (const Word w = oldMask.template getWord<Word>(n)) {
463
464 // Dilate the current leaf in the +z and -z direction
465 cache.mask = Word(w | (w>>1) | (w<<1)); cache.scatter(0, n);
466
467 // Dilate into neighbor leaf in the -z direction
468 if ( (cache.mask = Word(w<<(LEAF_DIM-1))) ) {
469 cache.template scatter< 0, 0,-1>(1, n);
470 }
471 // Dilate into neighbor leaf in the +z direction
472 if ( (cache.mask = Word(w>>(LEAF_DIM-1))) ) {
473 cache.template scatter< 0, 0, 1>(2, n);
474 }
475 // Dilate in the xy-face directions relative to the center leaf
476 cache.mask = w; cache.scatterFacesXY(x, y, 0, n, 3);
477 }
478 }// loop over y
479 }//loop over x
480 cache.clear();
481 }//loop over leafs
482
483 mManager->rebuildLeafArray();
484 }//dilateVoxels6
485
486
487 template<typename TreeType>
488 inline void
489 Morphology<TreeType>::dilateVoxels18()
490 {
492 const int leafCount = static_cast<int>(mManager->leafCount());
493
494 // Save the value masks of all leaf nodes.
495 std::vector<MaskType> savedMasks(leafCount);
496 this->copyMasks(savedMasks, *mManager);
497 LeafCache cache(19, mManager->tree());
498 Coord orig_mz, orig_pz;//origins of neighbor leaf nodes in the -z and +z directions
499 for (int leafIdx = 0; leafIdx < leafCount; ++leafIdx) {
500 const MaskType& oldMask = savedMasks[leafIdx];//original bit-mask of current leaf node
501 cache[0] = &mManager->leaf(leafIdx);
502 orig_mz = cache[0]->origin().offsetBy(0, 0, -LEAF_DIM);
503 orig_pz = cache[0]->origin().offsetBy(0, 0, LEAF_DIM);
504 for (int x = 0; x < LEAF_DIM; ++x ) {
505 for (int y = 0, n = (x << LEAF_LOG2DIM); y < LEAF_DIM; ++y, ++n) {
506 if (const Word w = oldMask.template getWord<Word>(n)) {
507 {
508 cache.mask = Word(w | (w>>1) | (w<<1));
509 cache.setOrigin(cache[0]->origin());
510 cache.scatter(0, n);
511 cache.scatterFacesXY(x, y, 0, n, 3);
512 cache.mask = w;
513 cache.scatterEdgesXY(x, y, 0, n, 3);
514 }
515 if ( (cache.mask = Word(w<<(LEAF_DIM-1))) ) {
516 cache.setOrigin(cache[0]->origin());
517 cache.template scatter< 0, 0,-1>(1, n);
518 cache.setOrigin(orig_mz);
519 cache.scatterFacesXY(x, y, 1, n, 11);
520 }
521 if ( (cache.mask = Word(w>>(LEAF_DIM-1))) ) {
522 cache.setOrigin(cache[0]->origin());
523 cache.template scatter< 0, 0, 1>(2, n);
524 cache.setOrigin(orig_pz);
525 cache.scatterFacesXY(x, y, 2, n, 15);
526 }
527 }
528 }// loop over y
529 }//loop over x
530 cache.clear();
531 }//loop over leafs
532
533 mManager->rebuildLeafArray();
534 }// dilateVoxels18
535
536
537 template<typename TreeType>
538 inline void
539 Morphology<TreeType>::dilateVoxels26()
540 {
541 const int leafCount = static_cast<int>(mManager->leafCount());
542
543 // Save the value masks of all leaf nodes.
544 std::vector<MaskType> savedMasks(leafCount);
545 this->copyMasks(savedMasks, *mManager);
546 LeafCache cache(27, mManager->tree());
547 Coord orig_mz, orig_pz;//origins of neighbor leaf nodes in the -z and +z directions
548 for (int leafIdx = 0; leafIdx < leafCount; ++leafIdx) {
549 const MaskType& oldMask = savedMasks[leafIdx];//original bit-mask of current leaf node
550 cache[0] = &mManager->leaf(leafIdx);
551 orig_mz = cache[0]->origin().offsetBy(0, 0, -LEAF_DIM);
552 orig_pz = cache[0]->origin().offsetBy(0, 0, LEAF_DIM);
553 for (int x = 0; x < LEAF_DIM; ++x ) {
554 for (int y = 0, n = (x << LEAF_LOG2DIM); y < LEAF_DIM; ++y, ++n) {
555 if (const Word w = oldMask.template getWord<Word>(n)) {
556 {
557 cache.mask = Word(w | (w>>1) | (w<<1));
558 cache.setOrigin(cache[0]->origin());
559 cache.scatter(0, n);
560 cache.scatterFacesXY(x, y, 0, n, 3);
561 cache.scatterEdgesXY(x, y, 0, n, 3);
562 }
563 if ( (cache.mask = Word(w<<(LEAF_DIM-1))) ) {
564 cache.setOrigin(cache[0]->origin());
565 cache.template scatter< 0, 0,-1>(1, n);
566 cache.setOrigin(orig_mz);
567 cache.scatterFacesXY(x, y, 1, n, 11);
568 cache.scatterEdgesXY(x, y, 1, n, 11);
569 }
570 if ( (cache.mask = Word(w>>(LEAF_DIM-1))) ) {
571 cache.setOrigin(cache[0]->origin());
572 cache.template scatter< 0, 0, 1>(2, n);
573 cache.setOrigin(orig_pz);
574 cache.scatterFacesXY(x, y, 2, n, 19);
575 cache.scatterEdgesXY(x, y, 2, n, 19);
576 }
577 }
578 }// loop over y
579 }//loop over x
580 cache.clear();
581 }//loop over leafs
582
583 mManager->rebuildLeafArray();
584 }// dilateVoxels26
585
586
587 template<typename TreeType>
588 inline void
589 Morphology<TreeType>::LeafCache::scatterFacesXY(int x, int y, int i1, int n, int i2)
590 {
591 // dilate current leaf or neighbor in the -x direction
592 if (x > 0) {
593 this->scatter(i1, n-LEAF_DIM);
594 } else {
595 this->template scatter<-1, 0, 0>(i2, n);
596 }
597 // dilate current leaf or neighbor in the +x direction
598 if (x < LEAF_DIM-1) {
599 this->scatter(i1, n+LEAF_DIM);
600 } else {
601 this->template scatter< 1, 0, 0>(i2+1, n);
602 }
603 // dilate current leaf or neighbor in the -y direction
604 if (y > 0) {
605 this->scatter(i1, n-1);
606 } else {
607 this->template scatter< 0,-1, 0>(i2+2, n);
608 }
609 // dilate current leaf or neighbor in the +y direction
610 if (y < LEAF_DIM-1) {
611 this->scatter(i1, n+1);
612 } else {
613 this->template scatter< 0, 1, 0>(i2+3, n);
614 }
615 }
616
617
618 template<typename TreeType>
619 inline void
620 Morphology<TreeType>::LeafCache::scatterEdgesXY(int x, int y, int i1, int n, int i2)
621 {
622 if (x > 0) {
623 if (y > 0) {
624 this->scatter(i1, n-LEAF_DIM-1);
625 } else {
626 this->template scatter< 0,-1, 0>(i2+2, n-LEAF_DIM);
627 }
628 if (y < LEAF_DIM-1) {
629 this->scatter(i1, n-LEAF_DIM+1);
630 } else {
631 this->template scatter< 0, 1, 0>(i2+3, n-LEAF_DIM);
632 }
633 } else {
634 if (y < LEAF_DIM-1) {
635 this->template scatter<-1, 0, 0>(i2 , n+1);
636 } else {
637 this->template scatter<-1, 1, 0>(i2+7, n );
638 }
639 if (y > 0) {
640 this->template scatter<-1, 0, 0>(i2 , n-1);
641 } else {
642 this->template scatter<-1,-1, 0>(i2+4, n );
643 }
644 }
645 if (x < LEAF_DIM-1) {
646 if (y > 0) {
647 this->scatter(i1, n+LEAF_DIM-1);
648 } else {
649 this->template scatter< 0,-1, 0>(i2+2, n+LEAF_DIM);
650 }
651 if (y < LEAF_DIM-1) {
652 this->scatter(i1, n+LEAF_DIM+1);
653 } else {
654 this->template scatter< 0, 1, 0>(i2+3, n+LEAF_DIM);
655 }
656 } else {
657 if (y > 0) {
658 this->template scatter< 1, 0, 0>(i2+1, n-1);
659 } else {
660 this->template scatter< 1,-1, 0>(i2+6, n );
661 }
662 if (y < LEAF_DIM-1) {
663 this->template scatter< 1, 0, 0>(i2+1, n+1);
664 } else {
665 this->template scatter< 1, 1, 0>(i2+5, n );
666 }
667 }
668 }
669
670
671 template<typename TreeType>
672 inline void
673 Morphology<TreeType>::ErodeVoxelsOp::runParallel(NearestNeighbors nn)
674 {
675 namespace ph = std::placeholders;
676 switch (nn) {
677 case NN_FACE_EDGE:
678 mTask = std::bind(&ErodeVoxelsOp::erode18, ph::_1, ph::_2);
679 break;
680 case NN_FACE_EDGE_VERTEX:
681 mTask = std::bind(&ErodeVoxelsOp::erode26, ph::_1, ph::_2);
682 break;
683 case NN_FACE:
684 default:
685 mTask = std::bind(&ErodeVoxelsOp::erode6, ph::_1, ph::_2);
686 }
687 tbb::parallel_for(mManager.getRange(), *this);
688 }
689
690
691 template<typename TreeType>
692 inline typename Morphology<TreeType>::Word
693 Morphology<TreeType>::LeafCache::gatherFacesXY(int x, int y, int i1, int n, int i2)
694 {
695 // erode current leaf or neighbor in negative x-direction
696 Word w = x>0 ? this->gather(i1,n-LEAF_DIM) : this->template gather<-1,0,0>(i2, n);
697
698 // erode current leaf or neighbor in positive x-direction
699 w = Word(w & (x<LEAF_DIM-1?this->gather(i1,n+LEAF_DIM):this->template gather<1,0,0>(i2+1,n)));
700
701 // erode current leaf or neighbor in negative y-direction
702 w = Word(w & (y>0 ? this->gather(i1, n-1) : this->template gather<0,-1,0>(i2+2, n)));
703
704 // erode current leaf or neighbor in positive y-direction
705 w = Word(w & (y<LEAF_DIM-1 ? this->gather(i1, n+1) : this->template gather<0,1,0>(i2+3, n)));
706
707 return w;
708 }
709
710
711 template<typename TreeType>
712 inline typename Morphology<TreeType>::Word
713 Morphology<TreeType>::LeafCache::gatherEdgesXY(int x, int y, int i1, int n, int i2)
714 {
715 Word w = ~Word(0);
716
717 if (x > 0) {
718 w &= y > 0 ? this->gather(i1, n-LEAF_DIM-1) :
719 this->template gather< 0,-1, 0>(i2+2, n-LEAF_DIM);
720 w &= y < LEAF_DIM-1 ? this->gather(i1, n-LEAF_DIM+1) :
721 this->template gather< 0, 1, 0>(i2+3, n-LEAF_DIM);
722 } else {
723 w &= y < LEAF_DIM-1 ? this->template gather<-1, 0, 0>(i2 , n+1):
724 this->template gather<-1, 1, 0>(i2+7, n );
725 w &= y > 0 ? this->template gather<-1, 0, 0>(i2 , n-1):
726 this->template gather<-1,-1, 0>(i2+4, n );
727 }
728 if (x < LEAF_DIM-1) {
729 w &= y > 0 ? this->gather(i1, n+LEAF_DIM-1) :
730 this->template gather< 0,-1, 0>(i2+2, n+LEAF_DIM);
731 w &= y < LEAF_DIM-1 ? this->gather(i1, n+LEAF_DIM+1) :
732 this->template gather< 0, 1, 0>(i2+3, n+LEAF_DIM);
733 } else {
734 w &= y > 0 ? this->template gather< 1, 0, 0>(i2+1, n-1):
735 this->template gather< 1,-1, 0>(i2+6, n );
736 w &= y < LEAF_DIM-1 ? this->template gather< 1, 0, 0>(i2+1, n+1):
737 this->template gather< 1, 1, 0>(i2+5, n );
738 }
739
740 return w;
741 }
742
743
744 template <typename TreeType>
745 inline void
746 Morphology<TreeType>::ErodeVoxelsOp::erode6(const RangeT& range) const
747 {
748 LeafCache cache(7, mManager.tree());
749 for (size_t leafIdx = range.begin(); leafIdx < range.end(); ++leafIdx) {
750 cache[0] = &mManager.leaf(leafIdx);
751 if (cache[0]->isEmpty()) continue;
752 cache.setOrigin(cache[0]->origin());
753 MaskType& newMask = mSavedMasks[leafIdx];//original bit-mask of current leaf node
754 for (int x = 0; x < LEAF_DIM; ++x ) {
755 for (int y = 0, n = (x << LEAF_LOG2DIM); y < LEAF_DIM; ++y, ++n) {
756 // Extract the portion of the original mask that corresponds to a row in z.
757 if (Word& w = newMask.template getWord<Word>(n)) {
758
759 // erode in two z directions (this is first since it uses the original w)
760 w = Word(w &
761 (Word(w<<1 | (cache.template gather<0,0,-1>(1, n)>>(LEAF_DIM-1))) &
762 Word(w>>1 | (cache.template gather<0,0, 1>(2, n)<<(LEAF_DIM-1)))));
763
764 w = Word(w & cache.gatherFacesXY(x, y, 0, n, 3));
765 }
766 }// loop over y
767 }//loop over x
768 cache.clear();
769 }//loop over leafs
770 }
771
772
773 template <typename TreeType>
774 inline void
775 Morphology<TreeType>::ErodeVoxelsOp::erode18(const RangeT&) const
776 {
777 OPENVDB_THROW(NotImplementedError, "tools::erode18 is not implemented yet!");
778 }
779
780
781 template <typename TreeType>
782 inline void
783 Morphology<TreeType>::ErodeVoxelsOp::erode26(const RangeT&) const
784 {
785 OPENVDB_THROW(NotImplementedError, "tools::erode26 is not implemented yet!");
786 }
787
788
789 template<typename TreeType>
790 inline void
791 Morphology<TreeType>::doErosion(NearestNeighbors nn)
792 {
794 const size_t leafCount = mManager->leafCount();
795
796 // Save the value masks of all leaf nodes.
797 std::vector<MaskType> savedMasks(leafCount);
798 this->copyMasks(savedMasks, *mManager);
799 UpdateMasks a(savedMasks, *mManager);
800 ErodeVoxelsOp erode(savedMasks, *mManager);
801
802 for (int i = 0; i < mSteps; ++i) {
803 erode.runParallel(nn);
804 a.update();
805 }
806
807 tools::pruneLevelSet(mManager->tree());
808 }
809
810
812
813
814 template<typename TreeType>
815 OPENVDB_STATIC_SPECIALIZATION inline void
816 dilateVoxels(tree::LeafManager<TreeType>& manager, int iterations, NearestNeighbors nn)
817 {
818 if (iterations > 0 ) {
819 Morphology<TreeType> m(&manager);
820 m.dilateVoxels(iterations, nn);
821 }
822 }
823
824 template<typename TreeType>
825 OPENVDB_STATIC_SPECIALIZATION inline void
826 dilateVoxels(TreeType& tree, int iterations, NearestNeighbors nn)
827 {
828 if (iterations > 0 ) {
829 Morphology<TreeType> m(tree);
830 m.dilateVoxels(iterations, nn);
831 }
832 }
833
834 template<typename TreeType>
835 OPENVDB_STATIC_SPECIALIZATION inline void
836 erodeVoxels(tree::LeafManager<TreeType>& manager, int iterations, NearestNeighbors nn)
837 {
838 if (iterations > 0 ) {
839 Morphology<TreeType> m(&manager);
840 m.erodeVoxels(iterations, nn);
841 }
842 }
843
844 template<typename TreeType>
845 OPENVDB_STATIC_SPECIALIZATION inline void
846 erodeVoxels(TreeType& tree, int iterations, NearestNeighbors nn)
847 {
848 if (iterations > 0 ) {
849 Morphology<TreeType> m(tree);
850 m.erodeVoxels(iterations, nn);
851 }
852 }
853
854
856
857
858 namespace activation {
859
860 template<typename TreeType>
861 class ActivationOp
862 {
863 public:
864 using ValueT = typename TreeType::ValueType;
865
866 ActivationOp(bool state, const ValueT& val, const ValueT& tol)
867 : mActivate(state)
868 , mValue(val)
869 , mTolerance(tol)
870 {}
871
872 void operator()(const typename TreeType::ValueOnIter& it) const
873 {
874 if (math::isApproxEqual(*it, mValue, mTolerance)) {
875 it.setValueOff();
876 }
877 }
878
879 void operator()(const typename TreeType::ValueOffIter& it) const
880 {
881 if (math::isApproxEqual(*it, mValue, mTolerance)) {
882 it.setActiveState(/*on=*/true);
883 }
884 }
885
886 void operator()(const typename TreeType::LeafIter& lit) const
887 {
888 using LeafT = typename TreeType::LeafNodeType;
889 LeafT& leaf = *lit;
890 if (mActivate) {
891 for (typename LeafT::ValueOffIter it = leaf.beginValueOff(); it; ++it) {
892 if (math::isApproxEqual(*it, mValue, mTolerance)) {
893 leaf.setValueOn(it.pos());
894 }
895 }
896 } else {
897 for (typename LeafT::ValueOnIter it = leaf.beginValueOn(); it; ++it) {
898 if (math::isApproxEqual(*it, mValue, mTolerance)) {
899 leaf.setValueOff(it.pos());
900 }
901 }
902 }
903 }
904
905 private:
906 bool mActivate;
907 const ValueT mValue, mTolerance;
908 }; // class ActivationOp
909
910 } // namespace activation
911
912
913 template<typename GridOrTree>
914 inline void
915 activate(GridOrTree& gridOrTree, const typename GridOrTree::ValueType& value,
916 const typename GridOrTree::ValueType& tolerance)
917 {
918 using Adapter = TreeAdapter<GridOrTree>;
919 using TreeType = typename Adapter::TreeType;
920
921 TreeType& tree = Adapter::tree(gridOrTree);
922
923 activation::ActivationOp<TreeType> op(/*activate=*/true, value, tolerance);
924
925 // Process all leaf nodes in parallel.
926 foreach(tree.beginLeaf(), op);
927
928 // Process all other inactive values serially (because changing active states
929 // is not thread-safe unless no two threads modify the same node).
930 typename TreeType::ValueOffIter it = tree.beginValueOff();
931 it.setMaxDepth(tree.treeDepth() - 2);
932 foreach(it, op, /*threaded=*/false);
933 }
934
935
936 template<typename GridOrTree>
937 inline void
938 deactivate(GridOrTree& gridOrTree, const typename GridOrTree::ValueType& value,
939 const typename GridOrTree::ValueType& tolerance)
940 {
941 using Adapter = TreeAdapter<GridOrTree>;
942 using TreeType = typename Adapter::TreeType;
943
944 TreeType& tree = Adapter::tree(gridOrTree);
945
946 activation::ActivationOp<TreeType> op(/*activate=*/false, value, tolerance);
947
948 // Process all leaf nodes in parallel.
949 foreach(tree.beginLeaf(), op);
950
951 // Process all other active values serially (because changing active states
952 // is not thread-safe unless no two threads modify the same node).
953 typename TreeType::ValueOnIter it = tree.beginValueOn();
954 it.setMaxDepth(tree.treeDepth() - 2);
955 foreach(it, op, /*threaded=*/false);
956 }
957
960 template<typename TreeT>
961 class DilationOp
962 {
963 using MaskT = typename TreeT::template ValueConverter<ValueMask>::Type;
964 using PoolT = tbb::enumerable_thread_specific<MaskT>;
965 using LeafT = typename MaskT::LeafNodeType;
966
967 // Very light-weight member data
968 const int mIter;// number of iterations
969 const tools::NearestNeighbors mNN;//enum to specify the dilation scheme
970 PoolT *mPool;// pointer to the thread-local pool of mask trees
971 LeafT **mLeafs;// raw array of pointers to leaf nodes
972
973 public:
974
975 DilationOp(TreeT &tree, int iterations, NearestNeighbors nn, TilePolicy mode)
976 : mIter(iterations), mNN(nn), mPool(nullptr), mLeafs(nullptr)
977 {
978 const size_t numLeafs = this->init( tree, mode );
979 const size_t numThreads = size_t(tbb::task_scheduler_init::default_num_threads());
980 const size_t grainSize = math::Max(size_t(1), numLeafs/(2*numThreads));
981
982 MaskT mask;
983 PoolT pool(mask);// Scoped thread-local storage of mask trees
984 mPool = &pool;
985
986 tbb::parallel_for(tbb::blocked_range<LeafT**>(mLeafs, mLeafs+numLeafs, grainSize), *this);
987
988 delete [] mLeafs;// no more need for the array of leaf node pointers
989
990 using IterT = typename PoolT::iterator;
991 for (IterT it=pool.begin(); it!=pool.end(); ++it) mask.merge(*it);// fast stealing
992
993 if (mode == PRESERVE_TILES) tools::prune(mask);//multithreaded
994
995 tree.topologyUnion(mask);//multithreaded
996 }
997
998 // This is required by tbb and should never be called directly
999 void operator()(const tbb::blocked_range<LeafT**> &r) const
1000 {
1001 MaskT mask;// thread-local temporary mask tree
1002 for (LeafT** it=r.begin(); it!=r.end(); ++it) mask.addLeaf( *it );
1003 tree::LeafManager<MaskT> manager(mask, r.begin(), r.end());
1004 tools::dilateVoxels(manager, mIter, mNN);// serial dilation of active voxels
1005 mPool->local().merge(mask, MERGE_ACTIVE_STATES);
1006 }
1007 private:
1008
1009 // Simple wrapper of a raw double-pointer to mimic a std container
1010 struct MyArray {
1011 using value_type = LeafT*;//required by Tree::stealNodes
1012 value_type* ptr;
1013 MyArray(value_type* array) : ptr(array) {}
1014 void push_back(value_type leaf) { *ptr++ = leaf; }//required by Tree::stealNodes
1015 };
1016
1017 // Convert active tiles to leafs and de-construct the tree into a linear array of leafs.
1018 size_t linearize(MaskT& mask, TilePolicy mode)
1019 {
1020 if (mode != IGNORE_TILES) mask.voxelizeActiveTiles();//lightweight since this is a mask tree
1021 const size_t numLeafs = mask.leafCount();
1022 mLeafs = new LeafT*[numLeafs];// fast pre-allocation
1023 MyArray tmp(mLeafs);
1024 mask.stealNodes(tmp);// serializes the mask tree and leaves it empty
1025 return numLeafs;
1026 }
1027
1028 template<typename T>
1029 typename std::enable_if<std::is_same<T, MaskT>::value, size_t>::type
1030 init(T& tree, TilePolicy mode)
1031 {
1032 return this->linearize(tree, mode);
1033 }
1034
1035 template<typename T>
1036 typename std::enable_if<!std::is_same<T, MaskT>::value, size_t>::type
1037 init(const T& tree, TilePolicy mode)
1038 {
1039 MaskT mask(tree, false, true, TopologyCopy());
1040 return this->linearize(mask, mode);
1041 }
1042
1043 };// DilationOp
1044
1045 template<typename TreeType>
1046 OPENVDB_STATIC_SPECIALIZATION inline void
1047 dilateActiveValues(TreeType& tree, int iterations, NearestNeighbors nn, TilePolicy mode)
1048 {
1049 if (iterations > 0 ) DilationOp<TreeType> tmp(tree, iterations, nn, mode);
1050 }
1051
1052 template<typename TreeType>
1053 OPENVDB_STATIC_SPECIALIZATION inline void
1054 dilateActiveValues(tree::LeafManager<TreeType>& manager,
1055 int iterations,
1056 NearestNeighbors nn,
1057 TilePolicy mode)
1058 {
1059 if (iterations > 0 ) {
1060 DilationOp<TreeType> tmp(manager.tree(), iterations, nn, mode);
1061 manager.rebuildLeafArray();
1062 }
1063 }
1064
1065 } // namespace tools
1066 } // namespace OPENVDB_VERSION_NAME
1067 } // namespace openvdb
1068
1069 #endif // OPENVDB_TOOLS_MORPHOLOGY_HAS_BEEN_INCLUDED
openvdb::v7_0::tools::Morphology::MaskManager::update
void update()
Definition: Morphology.h:381
openvdb::v7_0::tree::ValueAccessor::isValueOn
bool isValueOn(const Coord &xyz) const
Return the active state of the voxel at the given coordinates.
Definition: ValueAccessor.h:237
openvdb::v7_0::tools::activation::ActivationOp::operator()
void operator()(const typename TreeType::ValueOffIter &it) const
Definition: Morphology.h:879
openvdb::v7_0::tools::Morphology::UpdateMasks::operator()
void operator()(const tbb::blocked_range< size_t > &r) const
Definition: Morphology.h:404
openvdb::v7_0::tools::DilationOp::DilationOp
DilationOp(TreeT &tree, int iterations, NearestNeighbors nn, TilePolicy mode)
Definition: Morphology.h:975
openvdb::v7_0::tools::Morphology::Neighbor::clear
void clear()
Definition: Morphology.h:272
openvdb::v7_0::tools::Morphology::CopyMasks::mMasks
std::vector< MaskType > & mMasks
Definition: Morphology.h:417
openvdb::v7_0::tools::Morphology::ErodeVoxelsOp::ErodeVoxelsOp
ErodeVoxelsOp(std::vector< MaskType > &masks, ManagerType &manager)
Definition: Morphology.h:362
OPENVDB_STATIC_SPECIALIZATION
#define OPENVDB_STATIC_SPECIALIZATION
Definition: Platform.h:62
openvdb::v7_0::tools::TilePolicy
TilePolicy
Different policies when dilating trees with active tiles.
Definition: Morphology.h:75
openvdb::v7_0::tools::NN_FACE
Definition: Morphology.h:60
openvdb::v7_0::tools::Morphology::LeafCache::size
size_t size
Definition: Morphology.h:353
openvdb::v7_0::tools::Morphology::CopyMasks
Definition: Morphology.h:410
openvdb::v7_0::math::isApproxEqual
bool isApproxEqual(const Type &a, const Type &b)
Return true if a is equal to b to within the default floating-point comparison tolerance.
Definition: Math.h:351
openvdb::v7_0::tools::Morphology::UpdateMasks
Definition: Morphology.h:400
Types.h
openvdb::v7_0::tools::Morphology::Neighbor::isOn
bool isOn
Definition: Morphology.h:270
openvdb::v7_0::tools::Morphology::UpdateMasks::UpdateMasks
UpdateMasks(const std::vector< MaskType > &masks, ManagerType &manager)
Definition: Morphology.h:401
openvdb::v7_0::math::Coord
Signed (x, y, z) 32-bit integer coordinates.
Definition: Coord.h:25
openvdb::v7_0::tools::Morphology::dilateVoxels
void dilateVoxels(int iterations=1, NearestNeighbors nn=NN_FACE)
Definition: Morphology.h:426
openvdb::v7_0::tools::Morphology::mAcc
AccessorType mAcc
Definition: Morphology.h:260
openvdb::v7_0::tools::Morphology::LeafCache::clear
void clear()
Definition: Morphology.h:310
openvdb::v7_0::tools::activation::ActivationOp::operator()
void operator()(const typename TreeType::LeafIter &lit) const
Definition: Morphology.h:886
openvdb::v7_0::tools::DimToWord
Mapping from a Log2Dim to a data type of size 2^Log2Dim bits.
Definition: Morphology.h:208
openvdb::v7_0::tools::Morphology::ErodeVoxelsOp::operator()
void operator()(const RangeT &r) const
Definition: Morphology.h:365
openvdb::v7_0::tree::LeafManager::rebuildLeafArray
void rebuildLeafArray()
Remove the auxiliary buffers and rebuild the leaf array.
Definition: LeafManager.h:288
openvdb::v7_0::tools::Morphology::LeafCache::acc
AccessorType acc
Definition: Morphology.h:356
openvdb::v7_0::tools::deactivate
void deactivate(GridOrTree &, const typename GridOrTree::ValueType &value, const typename GridOrTree::ValueType &tolerance=zeroVal< typename GridOrTree::ValueType >())
Mark as inactive any active tiles or voxels in the given grid or tree whose values are equal to value...
Definition: Morphology.h:938
openvdb::v7_0::tools::Morphology::LeafCache
Definition: Morphology.h:301
openvdb::v7_0::tree::ValueAccessor< TreeType >
openvdb::v7_0::tools::Morphology::mManager
ManagerType * mManager
Definition: Morphology.h:259
openvdb::v7_0::NotImplementedError
Definition: Exceptions.h:61
openvdb::v7_0::tools::Morphology::Neighbor::scatter
void scatter(AccessorType &acc, const Coord &xyz, int indx, Word mask)
Definition: Morphology.h:274
openvdb::v7_0::tools::Morphology::LeafType
typename TreeType::LeafNodeType LeafType
Definition: Morphology.h:254
openvdb::v7_0::tools::IGNORE_TILES
Definition: Morphology.h:75
openvdb::v7_0::tools::activation::ActivationOp::ValueT
typename TreeType::ValueType ValueT
Definition: Morphology.h:864
openvdb::v7_0::tools::Morphology::erodeVoxels6
void erodeVoxels6()
Face-adjacent erosion pattern.
Definition: Morphology.h:239
openvdb::v7_0::tools::Morphology::LeafCache::gather
Word gather(int n, int indx)
Definition: Morphology.h:327
openvdb::v7_0::tools::Morphology::CopyMasks::mManager
const ManagerType & mManager
Definition: Morphology.h:418
openvdb::v7_0::math::Max
const Type & Max(const Type &a, const Type &b)
Return the maximum of two values.
Definition: Math.h:542
Grid.h
openvdb::v7_0::tools::Morphology::CopyMasks::copy
void copy()
Definition: Morphology.h:413
openvdb::v7_0::tools::Morphology::ErodeVoxelsOp
Definition: Morphology.h:360
openvdb::v7_0::math::Coord::offsetBy
Coord offsetBy(Int32 dx, Int32 dy, Int32 dz) const
Definition: Coord.h:92
openvdb::v7_0::tools::Morphology::copyMasks
void copyMasks(std::vector< MaskType > &a, const ManagerType &b)
Definition: Morphology.h:420
ValueAccessor.h
openvdb::v7_0::tools::Morphology::MaskType
typename LeafType::NodeMaskType MaskType
Definition: Morphology.h:255
openvdb::v7_0::tools::Morphology::LeafCache::LeafCache
LeafCache(size_t n, TreeType &tree)
Definition: Morphology.h:303
openvdb::v7_0::tools::Morphology::LeafCache::scatter
void scatter(int n, int indx)
Definition: Morphology.h:318
openvdb::v7_0::tools::Morphology::LeafCache::origin
const Coord * origin
Definition: Morphology.h:352
openvdb::v7_0::tools::Morphology::mOwnsManager
const bool mOwnsManager
Definition: Morphology.h:258
Math.h
General-purpose arithmetic and comparison routines, most of which accept arbitrary value types (or at...
openvdb::v7_0::tree::LeafManager::leaf
LeafType & leaf(size_t leafIdx) const
Return a pointer to the leaf node at index leafIdx in the array.
Definition: LeafManager.h:331
openvdb::v7_0::tools::Morphology::Morphology
Morphology(ManagerType *mgr)
Definition: Morphology.h:226
openvdb::v7_0::tools::Morphology
Definition: Morphology.h:219
openvdb::v7_0::tools::Morphology::LeafCache::setOrigin
void setOrigin(const Coord &xyz)
Definition: Morphology.h:311
openvdb::v7_0::tools::pruneLevelSet
void pruneLevelSet(TreeT &tree, bool threaded=true, size_t grainSize=1)
Reduce the memory footprint of a tree by replacing nodes whose values are all inactive with inactive ...
Definition: Prune.h:389
Prune.h
Defined various multi-threaded utility functions for trees.
openvdb::v7_0::tools::Morphology::LeafCache::scatter
void scatter(int n, int indx)
Definition: Morphology.h:312
openvdb::v7_0::tools::Morphology::Neighbor::gather
Word gather(AccessorType &acc, const Coord &xyz, int indx)
Definition: Morphology.h:287
openvdb::v7_0::tree::LeafManager::tree
const TreeType & tree() const
Return a const reference to tree associated with this manager.
Definition: LeafManager.h:315
ValueTransformer.h
openvdb::v7_0::tree::LeafManager
This class manages a linear array of pointers to a given tree's leaf nodes, as well as optional auxil...
Definition: LeafManager.h:82
openvdb::v7_0::tools::Morphology::UpdateMasks::update
void update()
Definition: Morphology.h:403
openvdb::v7_0::tree::ValueAccessor::touchLeaf
LeafNodeT * touchLeaf(const Coord &xyz)
Return a pointer to the leaf node that contains voxel (x, y, z). If no such node exists,...
Definition: ValueAccessor.h:359
openvdb::v7_0::tools::Morphology::UpdateMasks::mMasks
const std::vector< MaskType > & mMasks
Definition: Morphology.h:407
openvdb::v7_0::tools::DimToWord< 3 >::Type
uint8_t Type
Definition: Morphology.h:209
openvdb::v7_0::tools::Morphology::LeafCache::~LeafCache
~LeafCache()
Definition: Morphology.h:308
openvdb::v7_0::tools::Morphology::ErodeVoxelsOp::runParallel
void runParallel(NearestNeighbors nn)
Definition: Morphology.h:673
openvdb::v7_0::tools::DilationOp
Class that performs multi-threaded dilation with support for active tiles.
Definition: Morphology.h:961
openvdb::v7_0::tools::erodeVoxels
void erodeVoxels(tree::LeafManager< TreeType > &manager, int iterations=1, NearestNeighbors nn=NN_FACE)
Definition: Morphology.h:836
openvdb::v7_0::tools::Morphology::Word
typename DimToWord< LEAF_LOG2DIM >::Type Word
Definition: Morphology.h:265
openvdb::v7_0::tools::Morphology::MaskManager::operator()
void operator()(const tbb::blocked_range< size_t > &range) const
Definition: Morphology.h:382
OPENVDB_USE_VERSION_NAMESPACE
#define OPENVDB_USE_VERSION_NAMESPACE
Definition: version.h:154
openvdb::v7_0::tools::activation::ActivationOp
Definition: Morphology.h:861
openvdb::v7_0::tools::activate
void activate(GridOrTree &, const typename GridOrTree::ValueType &value, const typename GridOrTree::ValueType &tolerance=zeroVal< typename GridOrTree::ValueType >())
Mark as active any inactive tiles or voxels in the given grid or tree whose values are equal to value...
Definition: Morphology.h:915
openvdb::v7_0::tools::dilateActiveValues
void dilateActiveValues(tree::LeafManager< TreeType > &manager, int iterations=1, NearestNeighbors nn=NN_FACE, TilePolicy mode=PRESERVE_TILES)
Topologically dilate all active values (i.e. both voxels and tiles) in a tree using one of three near...
Definition: Morphology.h:1054
openvdb::v7_0::TreeAdapter
This adapter allows code that is templated on a Tree type to accept either a Tree type or a Grid type...
Definition: Grid.h:1065
openvdb::v7_0::tools::Morphology::Neighbor::leaf
LeafType * leaf
Definition: Morphology.h:268
openvdb::v7_0::tools::Morphology::erodeVoxels
void erodeVoxels(int iterations=1, NearestNeighbors nn=NN_FACE)
Definition: Morphology.h:244
openvdb::v7_0::tools::NN_FACE_EDGE_VERTEX
Definition: Morphology.h:60
openvdb::v7_0::tools::prune
void prune(TreeT &tree, typename TreeT::ValueType tolerance=zeroVal< typename TreeT::ValueType >(), bool threaded=true, size_t grainSize=1)
Reduce the memory footprint of a tree by replacing with tiles any nodes whose values are all the same...
Definition: Prune.h:334
openvdb::v7_0::tools::Morphology::Morphology
Morphology(TreeType &tree)
Definition: Morphology.h:224
LeafManager.h
A LeafManager manages a linear array of pointers to a given tree's leaf nodes, as well as optional au...
openvdb::v7_0::tools::DimToWord< 6 >::Type
uint64_t Type
Definition: Morphology.h:212
openvdb::v7_0::tools::Morphology::LeafCache::gather
Word gather(int n, int indx)
Definition: Morphology.h:333
openvdb::v7_0::tools::Morphology::Neighbor::Neighbor
Neighbor()
Definition: Morphology.h:271
openvdb::v7_0::tools::Morphology::MaskManager
Definition: Morphology.h:376
openvdb::v7_0::tools::Morphology::CopyMasks::CopyMasks
CopyMasks(std::vector< MaskType > &masks, const ManagerType &manager)
Definition: Morphology.h:411
openvdb::v7_0::tools::Morphology::erodeVoxels26
void erodeVoxels26()
Face-, edge- and vertex-adjacent erosion pattern.
Definition: Morphology.h:243
openvdb::v7_0::tools::PRESERVE_TILES
Definition: Morphology.h:75
openvdb::v7_0::tools::NearestNeighbors
NearestNeighbors
Voxel topology of nearest neighbors.
Definition: Morphology.h:60
openvdb::v7_0::tools::Morphology::MaskManager::MaskManager
MaskManager(std::vector< MaskType > &masks, ManagerType &manager)
Definition: Morphology.h:377
openvdb::v7_0::tools::Morphology::LeafCache::mask
Word mask
Definition: Morphology.h:357
OPENVDB_VERSION_NAME
#define OPENVDB_VERSION_NAME
The version namespace name for this library version.
Definition: version.h:102
openvdb::v7_0::tools::Morphology::~Morphology
virtual ~Morphology()
Definition: Morphology.h:228
openvdb::v7_0::tools::DimToWord< 5 >::Type
uint32_t Type
Definition: Morphology.h:211
openvdb::v7_0::tools::activation::ActivationOp::ActivationOp
ActivationOp(bool state, const ValueT &val, const ValueT &tol)
Definition: Morphology.h:866
openvdb::v7_0::tools::Morphology::LeafCache::operator[]
LeafType *& operator[](int offset)
Definition: Morphology.h:309
openvdb::v7_0::tools::DimToWord< 4 >::Type
uint16_t Type
Definition: Morphology.h:210
openvdb::v7_0::tools::Morphology::CopyMasks::operator()
void operator()(const tbb::blocked_range< size_t > &r) const
Definition: Morphology.h:414
openvdb::v7_0::tools::Morphology::LeafCache::onTile
LeafType onTile
Definition: Morphology.h:355
openvdb::v7_0::tools::Morphology::MaskManager::save
void save()
Definition: Morphology.h:380
openvdb::v7_0::tools::DilationOp::operator()
void operator()(const tbb::blocked_range< LeafT ** > &r) const
Definition: Morphology.h:999
openvdb
Definition: Exceptions.h:13
openvdb::v7_0::tools::Morphology::LeafCache::leafs
LeafType ** leafs
Definition: Morphology.h:354
openvdb::v7_0::tools::Morphology::erodeVoxels18
void erodeVoxels18()
Face- and edge-adjacent erosion pattern.
Definition: Morphology.h:241
openvdb::v7_0::tools::Morphology::Neighbor
Definition: Morphology.h:267
openvdb::v7_0::tools::Morphology::mSteps
int mSteps
Definition: Morphology.h:261
openvdb::v7_0::tools::dilateVoxels
void dilateVoxels(tree::LeafManager< TreeType > &manager, int iterations=1, NearestNeighbors nn=NN_FACE)
Topologically dilate all leaf-level active voxels in a tree using one of three nearest neighbor conne...
Definition: Morphology.h:816
openvdb::v7_0::tools::activation::ActivationOp::operator()
void operator()(const typename TreeType::ValueOnIter &it) const
Definition: Morphology.h:872
openvdb::v7_0::tools::EXPAND_TILES
Definition: Morphology.h:75
openvdb::v7_0::MERGE_ACTIVE_STATES
Definition: Types.h:506
openvdb::v7_0::tree::ValueAccessor::probeLeaf
LeafNodeT * probeLeaf(const Coord &xyz)
Return a pointer to the leaf node that contains voxel (x, y, z), or nullptr if no such node exists.
Definition: ValueAccessor.h:390
openvdb::v7_0::tree::LeafManager::getRange
RangeType getRange(size_t grainsize=1) const
Return a tbb::blocked_range of leaf array indices.
Definition: LeafManager.h:355
TreeIterator.h
OPENVDB_THROW
#define OPENVDB_THROW(exception, message)
Definition: Exceptions.h:82
openvdb::v7_0::tools::Morphology::Neighbor::init
bool init
Definition: Morphology.h:269
openvdb::v7_0::tools::NN_FACE_EDGE
Definition: Morphology.h:60
openvdb::v7_0::tools::Morphology::UpdateMasks::mManager
ManagerType & mManager
Definition: Morphology.h:408
openvdb::v7_0::tools::Morphology::ErodeVoxelsOp::RangeT
tbb::blocked_range< size_t > RangeT
Definition: Morphology.h:361