OpenVDB 3.2.0

LeafNode.h
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1 //
3 // Copyright (c) 2012-2016 DreamWorks Animation LLC
4 //
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30
31 #ifndef OPENVDB_TREE_LEAFNODE_HAS_BEEN_INCLUDED
32 #define OPENVDB_TREE_LEAFNODE_HAS_BEEN_INCLUDED
33
34 #include <iostream>
35 #include <algorithm> // for std::swap
36 #include <cstring> // for std::memcpy()
37 #include <boost/shared_ptr.hpp>
38 #include <boost/static_assert.hpp>
39 #include <boost/bind.hpp>
40 #include <tbb/blocked_range.h>
41 #include <tbb/spin_mutex.h>
42 #include <tbb/parallel_for.h>
43 #include <openvdb/Types.h>
44 #include <openvdb/util/NodeMasks.h>
45 #include <openvdb/io/Compression.h> // for io::readData(), etc.
46 #include "Iterator.h"
47
48
49 class TestLeaf;
50 template<typename> class TestLeafIO;
51
52 namespace openvdb {
53 OPENVDB_USE_VERSION_NAMESPACE
54 namespace OPENVDB_VERSION_NAME {
55 namespace tree {
56
57 template<Index, typename> struct SameLeafConfig; // forward declaration
58
59
64 template<typename T, Index Log2Dim>
65 class LeafNode
66 {
67 public:
68 typedef T BuildType;
69 typedef T ValueType;
70 typedef LeafNode<ValueType, Log2Dim> LeafNodeType;
71 typedef boost::shared_ptr<LeafNode> Ptr;
72 typedef util::NodeMask<Log2Dim> NodeMaskType;
73
74 static const Index
75 LOG2DIM = Log2Dim, // needed by parent nodes
76 TOTAL = Log2Dim, // needed by parent nodes
77 DIM = 1 << TOTAL, // dimension along one coordinate direction
78 NUM_VALUES = 1 << 3 * Log2Dim,
79 NUM_VOXELS = NUM_VALUES, // total number of voxels represented by this node
80 SIZE = NUM_VALUES,
81 LEVEL = 0; // level 0 = leaf
82
85 template<typename OtherValueType>
86 struct ValueConverter {
87 typedef LeafNode<OtherValueType, Log2Dim> Type;
88 };
89
92 template<typename OtherNodeType>
93 struct SameConfiguration {
94 static const bool value = SameLeafConfig<LOG2DIM, OtherNodeType>::value;
95 };
96
97 #ifndef OPENVDB_2_ABI_COMPATIBLE
98 struct FileInfo
99 {
100 FileInfo(): bufpos(0) , maskpos(0) {}
101 std::streamoff bufpos;
102 std::streamoff maskpos;
103 io::MappedFile::Ptr mapping;
104 boost::shared_ptr<io::StreamMetadata> meta;
105 };
106 #endif
107
110 class Buffer
111 {
112 public:
113 #ifdef OPENVDB_2_ABI_COMPATIBLE
114 Buffer(): mData(new ValueType[SIZE]) {}
117 explicit Buffer(const ValueType& val): mData(new ValueType[SIZE]) { this->fill(val); }
119 Buffer(const Buffer& other): mData(new ValueType[SIZE]) { *this = other; }
121 ~Buffer() { delete[] mData; }
122
124 bool isOutOfCore() const { return false; }
126 bool empty() const { return (mData == NULL); }
127 #else
128 typedef ValueType WordType;
129 static const Index WORD_COUNT = SIZE;
131 Buffer(): mData(new ValueType[SIZE]), mOutOfCore(0) {}
133 explicit Buffer(const ValueType& val): mData(new ValueType[SIZE]), mOutOfCore(0)
134 {
135 this->fill(val);
136 }
138 Buffer(const Buffer& other): mData(NULL), mOutOfCore(other.mOutOfCore)
139 {
140 if (other.isOutOfCore()) {
141 mFileInfo = new FileInfo(*other.mFileInfo);
142 } else {
143 this->allocate();
144 ValueType* target = mData;
145 const ValueType* source = other.mData;
146 Index n = SIZE;
147 while (n--) *target++ = *source++;
148 }
149 }
151 Buffer(PartialCreate, const ValueType&): mData(NULL), mOutOfCore(0) {}
153 ~Buffer()
154 {
155 if (this->isOutOfCore()) {
156 this->detachFromFile();
157 } else {
158 this->deallocate();
159 }
160 }
161
163 bool isOutOfCore() const { return bool(mOutOfCore); }
165 bool empty() const { return !mData || this->isOutOfCore(); }
166 #endif
167 bool allocate() { if (mData == NULL) mData = new ValueType[SIZE]; return true; }
169
171 void fill(const ValueType& val)
172 {
173 this->detachFromFile();
174 if (mData != NULL) {
175 ValueType* target = mData;
176 Index n = SIZE;
177 while (n--) *target++ = val;
178 }
179 }
180
182 const ValueType& getValue(Index i) const { return this->at(i); }
184 const ValueType& operator[](Index i) const { return this->at(i); }
186 void setValue(Index i, const ValueType& val)
187 {
188 assert(i < SIZE);
189 #ifdef OPENVDB_2_ABI_COMPATIBLE
190 mData[i] = val;
191 #else
192 this->loadValues();
193 if (mData) mData[i] = val;
194 #endif
195 }
196
198 Buffer& operator=(const Buffer& other)
199 {
200 if (&other != this) {
201 #ifndef OPENVDB_2_ABI_COMPATIBLE
202 if (this->isOutOfCore()) {
203 this->detachFromFile();
204 } else {
205 if (other.isOutOfCore()) this->deallocate();
206 }
207 if (other.isOutOfCore()) {
208 mOutOfCore = other.mOutOfCore;
209 mFileInfo = new FileInfo(*other.mFileInfo);
210 } else {
211 #endif
212 this->allocate();
213 ValueType* target = mData;
214 const ValueType* source = other.mData;
215 Index n = SIZE;
216 while (n--) *target++ = *source++;
217 #ifndef OPENVDB_2_ABI_COMPATIBLE
218 }
219 #endif
220 }
221 return *this;
222 }
223
226 bool operator==(const Buffer& other) const
227 {
228 this->loadValues();
229 other.loadValues();
230 const ValueType *target = mData, *source = other.mData;
231 if (!target && !source) return true;
232 if (!target || !source) return false;
233 Index n = SIZE;
234 while (n && math::isExactlyEqual(*target++, *source++)) --n;
235 return n == 0;
236 }
239 bool operator!=(const Buffer& other) const { return !(other == *this); }
240
242 void swap(Buffer& other)
243 {
244 std::swap(mData, other.mData);
245 #ifndef OPENVDB_2_ABI_COMPATIBLE
246 std::swap(mOutOfCore, other.mOutOfCore);
247 #endif
248 }
249
251 Index memUsage() const
252 {
253 size_t n = sizeof(*this);
254 #ifdef OPENVDB_2_ABI_COMPATIBLE
255 if (mData) n += SIZE * sizeof(ValueType);
256 #else
257 if (this->isOutOfCore()) n += sizeof(FileInfo);
258 else if (mData) n += SIZE * sizeof(ValueType);
259 #endif
260 return static_cast<Index>(n);
261 }
263 static Index size() { return SIZE; }
264
268 const ValueType* data() const
269 {
270 #ifndef OPENVDB_2_ABI_COMPATIBLE
271 this->loadValues();
272 if (mData == NULL) {
273 Buffer* self = const_cast<Buffer*>(this);
274 // This lock will be contended at most once.
275 tbb::spin_mutex::scoped_lock lock(self->mMutex);
276 if (mData == NULL) self->mData = new ValueType[SIZE];
277 }
278 #endif
279 return mData;
280 }
281
285 ValueType* data()
286 {
287 #ifndef OPENVDB_2_ABI_COMPATIBLE
288 this->loadValues();
289 if (mData == NULL) {
290 // This lock will be contended at most once.
291 tbb::spin_mutex::scoped_lock lock(mMutex);
292 if (mData == NULL) mData = new ValueType[SIZE];
293 }
294 #endif
295 return mData;
296 }
297
298 private:
300 const ValueType& at(Index i) const
301 {
302 assert(i < SIZE);
303 #ifdef OPENVDB_2_ABI_COMPATIBLE
304 return mData[i];
305 #else
306 this->loadValues();
307 // We can't use the ternary operator here, otherwise Visual C++ returns
308 // a reference to a temporary.
309 if (mData) return mData[i]; else return sZero;
310 #endif
311 }
312
318 ValueType& operator[](Index i) { return const_cast<ValueType&>(this->at(i)); }
319
320 bool deallocate()
321 {
322 if (mData != NULL && !this->isOutOfCore()) {
323 delete[] mData;
324 mData = NULL;
325 return true;
326 }
327 return false;
328 }
329
330 #ifdef OPENVDB_2_ABI_COMPATIBLE
331 void setOutOfCore(bool) {}
332 void loadValues() const {}
333 void doLoad() const {}
334 bool detachFromFile() { return false; }
335 #else
336 inline void setOutOfCore(bool b) { mOutOfCore = b; }
337 // To facilitate inlining in the common case in which the buffer is in-core,
338 // the loading logic is split into a separate function, doLoad().
339 inline void loadValues() const { if (this->isOutOfCore()) this->doLoad(); }
340 inline void doLoad() const;
341 inline bool detachFromFile()
342 {
343 if (this->isOutOfCore()) {
344 delete mFileInfo;
345 mFileInfo = NULL;
346 this->setOutOfCore(false);
347 return true;
348 }
349 return false;
350 }
351 #endif
352
353 friend class ::TestLeaf;
354 // Allow the parent LeafNode to access this buffer's data pointer.
355 friend class LeafNode;
356
357 #ifdef OPENVDB_2_ABI_COMPATIBLE
358 ValueType* mData;
359 #else
360 union {
361 ValueType* mData;
362 FileInfo* mFileInfo;
363 };
364 Index32 mOutOfCore; // currently interpreted as bool; extra bits reserved for future use
365 tbb::spin_mutex mMutex; // 1 byte
366 //int8_t mReserved[3]; // padding for alignment
367
368 static const ValueType sZero;
369 #endif
370 }; // class Buffer
371
372
374 LeafNode();
375
380 explicit LeafNode(const Coord& coords,
381 const ValueType& value = zeroVal<ValueType>(),
382 bool active = false);
383
384
385 #ifndef OPENVDB_2_ABI_COMPATIBLE
386 LeafNode(PartialCreate,
392 const Coord& coords,
393 const ValueType& value = zeroVal<ValueType>(),
394 bool active = false);
395 #endif
396
398 LeafNode(const LeafNode&);
399
401 template<typename OtherValueType>
402 explicit LeafNode(const LeafNode<OtherValueType, Log2Dim>& other);
403
405 template<typename OtherValueType>
406 LeafNode(const LeafNode<OtherValueType, Log2Dim>& other,
407 const ValueType& offValue, const ValueType& onValue, TopologyCopy);
408
410 template<typename OtherValueType>
411 LeafNode(const LeafNode<OtherValueType, Log2Dim>& other,
412 const ValueType& background, TopologyCopy);
413
415 ~LeafNode();
416
417 //
418 // Statistics
419 //
421 static Index log2dim() { return Log2Dim; }
423 static Index dim() { return DIM; }
425 static Index size() { return SIZE; }
427 static Index numValues() { return SIZE; }
429 static Index getLevel() { return LEVEL; }
431 static void getNodeLog2Dims(std::vector<Index>& dims) { dims.push_back(Log2Dim); }
433 static Index getChildDim() { return 1; }
435 static Index32 leafCount() { return 1; }
437 static Index32 nonLeafCount() { return 0; }
438
440 Index64 onVoxelCount() const { return mValueMask.countOn(); }
442 Index64 offVoxelCount() const { return mValueMask.countOff(); }
443 Index64 onLeafVoxelCount() const { return onVoxelCount(); }
444 Index64 offLeafVoxelCount() const { return offVoxelCount(); }
445 static Index64 onTileCount() { return 0; }
446 static Index64 offTileCount() { return 0; }
448 bool isEmpty() const { return mValueMask.isOff(); }
450 bool isDense() const { return mValueMask.isOn(); }
451
452 #ifndef OPENVDB_2_ABI_COMPATIBLE
453 bool isAllocated() const { return !mBuffer.isOutOfCore() && !mBuffer.empty(); }
456 bool allocate() { return mBuffer.allocate(); }
457 #endif
458
460 Index64 memUsage() const;
461
465 void evalActiveBoundingBox(CoordBBox& bbox, bool visitVoxels = true) const;
466
469 CoordBBox getNodeBoundingBox() const { return CoordBBox::createCube(mOrigin, DIM); }
470
472 void setOrigin(const Coord& origin) { mOrigin = origin; }
474 const Coord& origin() const { return mOrigin; }
476 void getOrigin(Coord& origin) const { origin = mOrigin; }
477 void getOrigin(Int32& x, Int32& y, Int32& z) const { mOrigin.asXYZ(x, y, z); }
479
481 static Index coordToOffset(const Coord& xyz);
484 static Coord offsetToLocalCoord(Index n);
486 Coord offsetToGlobalCoord(Index n) const;
487
489 std::string str() const;
490
493 template<typename OtherType, Index OtherLog2Dim>
494 bool hasSameTopology(const LeafNode<OtherType, OtherLog2Dim>* other) const;
495
497 bool operator==(const LeafNode& other) const;
498 bool operator!=(const LeafNode& other) const { return !(other == *this); }
499
500 protected:
501 typedef typename NodeMaskType::OnIterator MaskOnIterator;
502 typedef typename NodeMaskType::OffIterator MaskOffIterator;
503 typedef typename NodeMaskType::DenseIterator MaskDenseIterator;
504
505 // Type tags to disambiguate template instantiations
506 struct ValueOn {}; struct ValueOff {}; struct ValueAll {};
507 struct ChildOn {}; struct ChildOff {}; struct ChildAll {};
508
509 template<typename MaskIterT, typename NodeT, typename ValueT, typename TagT>
510 struct ValueIter:
511 // Derives from SparseIteratorBase, but can also be used as a dense iterator,
512 // if MaskIterT is a dense mask iterator type.
513 public SparseIteratorBase<
514 MaskIterT, ValueIter<MaskIterT, NodeT, ValueT, TagT>, NodeT, ValueT>
515 {
516 typedef SparseIteratorBase<MaskIterT, ValueIter, NodeT, ValueT> BaseT;
517
518 ValueIter() {}
519 ValueIter(const MaskIterT& iter, NodeT* parent): BaseT(iter, parent) {}
520
521 ValueT& getItem(Index pos) const { return this->parent().getValue(pos); }
522 ValueT& getValue() const { return this->parent().getValue(this->pos()); }
523
524 // Note: setItem() can't be called on const iterators.
525 void setItem(Index pos, const ValueT& value) const
526 {
527 this->parent().setValueOnly(pos, value);
528 }
529 // Note: setValue() can't be called on const iterators.
530 void setValue(const ValueT& value) const
531 {
532 this->parent().setValueOnly(this->pos(), value);
533 }
534
535 // Note: modifyItem() can't be called on const iterators.
536 template<typename ModifyOp>
537 void modifyItem(Index n, const ModifyOp& op) const { this->parent().modifyValue(n, op); }
538 // Note: modifyValue() can't be called on const iterators.
539 template<typename ModifyOp>
540 void modifyValue(const ModifyOp& op) const { this->parent().modifyValue(this->pos(), op); }
541 };
542
544 template<typename MaskIterT, typename NodeT, typename TagT>
545 struct ChildIter:
546 public SparseIteratorBase<MaskIterT, ChildIter<MaskIterT, NodeT, TagT>, NodeT, ValueType>
547 {
548 ChildIter() {}
549 ChildIter(const MaskIterT& iter, NodeT* parent): SparseIteratorBase<
550 MaskIterT, ChildIter<MaskIterT, NodeT, TagT>, NodeT, ValueType>(iter, parent) {}
551 };
552
553 template<typename NodeT, typename ValueT, typename TagT>
554 struct DenseIter: public DenseIteratorBase<
555 MaskDenseIterator, DenseIter<NodeT, ValueT, TagT>, NodeT, /*ChildT=*/void, ValueT>
556 {
557 typedef DenseIteratorBase<MaskDenseIterator, DenseIter, NodeT, void, ValueT> BaseT;
558 typedef typename BaseT::NonConstValueType NonConstValueT;
559
560 DenseIter() {}
561 DenseIter(const MaskDenseIterator& iter, NodeT* parent): BaseT(iter, parent) {}
562
563 bool getItem(Index pos, void*& child, NonConstValueT& value) const
564 {
565 value = this->parent().getValue(pos);
566 child = NULL;
567 return false; // no child
568 }
569
570 // Note: setItem() can't be called on const iterators.
571 //void setItem(Index pos, void* child) const {}
572
573 // Note: unsetItem() can't be called on const iterators.
574 void unsetItem(Index pos, const ValueT& value) const
575 {
576 this->parent().setValueOnly(pos, value);
577 }
578 };
579
580 public:
581 typedef ValueIter<MaskOnIterator, LeafNode, const ValueType, ValueOn> ValueOnIter;
582 typedef ValueIter<MaskOnIterator, const LeafNode, const ValueType, ValueOn> ValueOnCIter;
583 typedef ValueIter<MaskOffIterator, LeafNode, const ValueType, ValueOff> ValueOffIter;
584 typedef ValueIter<MaskOffIterator,const LeafNode,const ValueType,ValueOff> ValueOffCIter;
585 typedef ValueIter<MaskDenseIterator, LeafNode, const ValueType, ValueAll> ValueAllIter;
586 typedef ValueIter<MaskDenseIterator,const LeafNode,const ValueType,ValueAll> ValueAllCIter;
587 typedef ChildIter<MaskOnIterator, LeafNode, ChildOn> ChildOnIter;
588 typedef ChildIter<MaskOnIterator, const LeafNode, ChildOn> ChildOnCIter;
589 typedef ChildIter<MaskOffIterator, LeafNode, ChildOff> ChildOffIter;
590 typedef ChildIter<MaskOffIterator, const LeafNode, ChildOff> ChildOffCIter;
591 typedef DenseIter<LeafNode, ValueType, ChildAll> ChildAllIter;
592 typedef DenseIter<const LeafNode, const ValueType, ChildAll> ChildAllCIter;
593
594 ValueOnCIter cbeginValueOn() const { return ValueOnCIter(mValueMask.beginOn(), this); }
595 ValueOnCIter beginValueOn() const { return ValueOnCIter(mValueMask.beginOn(), this); }
596 ValueOnIter beginValueOn() { return ValueOnIter(mValueMask.beginOn(), this); }
597 ValueOffCIter cbeginValueOff() const { return ValueOffCIter(mValueMask.beginOff(), this); }
598 ValueOffCIter beginValueOff() const { return ValueOffCIter(mValueMask.beginOff(), this); }
599 ValueOffIter beginValueOff() { return ValueOffIter(mValueMask.beginOff(), this); }
600 ValueAllCIter cbeginValueAll() const { return ValueAllCIter(mValueMask.beginDense(), this); }
601 ValueAllCIter beginValueAll() const { return ValueAllCIter(mValueMask.beginDense(), this); }
602 ValueAllIter beginValueAll() { return ValueAllIter(mValueMask.beginDense(), this); }
603
604 ValueOnCIter cendValueOn() const { return ValueOnCIter(mValueMask.endOn(), this); }
605 ValueOnCIter endValueOn() const { return ValueOnCIter(mValueMask.endOn(), this); }
606 ValueOnIter endValueOn() { return ValueOnIter(mValueMask.endOn(), this); }
607 ValueOffCIter cendValueOff() const { return ValueOffCIter(mValueMask.endOff(), this); }
608 ValueOffCIter endValueOff() const { return ValueOffCIter(mValueMask.endOff(), this); }
609 ValueOffIter endValueOff() { return ValueOffIter(mValueMask.endOff(), this); }
610 ValueAllCIter cendValueAll() const { return ValueAllCIter(mValueMask.endDense(), this); }
611 ValueAllCIter endValueAll() const { return ValueAllCIter(mValueMask.endDense(), this); }
612 ValueAllIter endValueAll() { return ValueAllIter(mValueMask.endDense(), this); }
613
614 // Note that [c]beginChildOn() and [c]beginChildOff() actually return end iterators,
615 // because leaf nodes have no children.
616 ChildOnCIter cbeginChildOn() const { return ChildOnCIter(mValueMask.endOn(), this); }
617 ChildOnCIter beginChildOn() const { return ChildOnCIter(mValueMask.endOn(), this); }
618 ChildOnIter beginChildOn() { return ChildOnIter(mValueMask.endOn(), this); }
619 ChildOffCIter cbeginChildOff() const { return ChildOffCIter(mValueMask.endOff(), this); }
620 ChildOffCIter beginChildOff() const { return ChildOffCIter(mValueMask.endOff(), this); }
621 ChildOffIter beginChildOff() { return ChildOffIter(mValueMask.endOff(), this); }
622 ChildAllCIter cbeginChildAll() const { return ChildAllCIter(mValueMask.beginDense(), this); }
623 ChildAllCIter beginChildAll() const { return ChildAllCIter(mValueMask.beginDense(), this); }
624 ChildAllIter beginChildAll() { return ChildAllIter(mValueMask.beginDense(), this); }
625
626 ChildOnCIter cendChildOn() const { return ChildOnCIter(mValueMask.endOn(), this); }
627 ChildOnCIter endChildOn() const { return ChildOnCIter(mValueMask.endOn(), this); }
628 ChildOnIter endChildOn() { return ChildOnIter(mValueMask.endOn(), this); }
629 ChildOffCIter cendChildOff() const { return ChildOffCIter(mValueMask.endOff(), this); }
630 ChildOffCIter endChildOff() const { return ChildOffCIter(mValueMask.endOff(), this); }
631 ChildOffIter endChildOff() { return ChildOffIter(mValueMask.endOff(), this); }
632 ChildAllCIter cendChildAll() const { return ChildAllCIter(mValueMask.endDense(), this); }
633 ChildAllCIter endChildAll() const { return ChildAllCIter(mValueMask.endDense(), this); }
634 ChildAllIter endChildAll() { return ChildAllIter(mValueMask.endDense(), this); }
635
636 //
637 // Buffer management
638 //
641 void swap(Buffer& other) { mBuffer.swap(other); }
642 const Buffer& buffer() const { return mBuffer; }
643 Buffer& buffer() { return mBuffer; }
644
645 //
646 // I/O methods
647 //
651 void readTopology(std::istream& is, bool fromHalf = false);
655 void writeTopology(std::ostream& os, bool toHalf = false) const;
656
660 void readBuffers(std::istream& is, bool fromHalf = false);
665 void readBuffers(std::istream& is, const CoordBBox& bbox, bool fromHalf = false);
669 void writeBuffers(std::ostream& os, bool toHalf = false) const;
670
671 size_t streamingSize(bool toHalf = false) const;
672
673 //
674 // Accessor methods
675 //
677 const ValueType& getValue(const Coord& xyz) const;
679 const ValueType& getValue(Index offset) const;
680
684 bool probeValue(const Coord& xyz, ValueType& val) const;
688 bool probeValue(Index offset, ValueType& val) const;
689
691 static Index getValueLevel(const Coord&) { return LEVEL; }
692
694 void setActiveState(const Coord& xyz, bool on);
696 void setActiveState(Index offset, bool on) { assert(offset<SIZE); mValueMask.set(offset, on); }
697
699 void setValueOnly(const Coord& xyz, const ValueType& val);
701 void setValueOnly(Index offset, const ValueType& val);
702
704 void setValueOff(const Coord& xyz) { mValueMask.setOff(LeafNode::coordToOffset(xyz)); }
706 void setValueOff(Index offset) { assert(offset < SIZE); mValueMask.setOff(offset); }
707
709 void setValueOff(const Coord& xyz, const ValueType& val);
711 void setValueOff(Index offset, const ValueType& val);
712
714 void setValueOn(const Coord& xyz) { mValueMask.setOn(LeafNode::coordToOffset(xyz)); }
716 void setValueOn(Index offset) { assert(offset < SIZE); mValueMask.setOn(offset); }
718 void setValueOn(const Coord& xyz, const ValueType& val) {
719 this->setValueOn(LeafNode::coordToOffset(xyz), val);
720 }
722 void setValue(const Coord& xyz, const ValueType& val) { this->setValueOn(xyz, val); }
724 void setValueOn(Index offset, const ValueType& val) {
725 mBuffer.setValue(offset, val);
726 mValueMask.setOn(offset);
727 }
728
731 template<typename ModifyOp>
732 void modifyValue(Index offset, const ModifyOp& op)
733 {
734 ValueType val = mBuffer[offset];
735 op(val);
736 mBuffer.setValue(offset, val);
737 mValueMask.setOn(offset);
738 }
741 template<typename ModifyOp>
742 void modifyValue(const Coord& xyz, const ModifyOp& op)
743 {
744 this->modifyValue(this->coordToOffset(xyz), op);
745 }
746
748 template<typename ModifyOp>
749 void modifyValueAndActiveState(const Coord& xyz, const ModifyOp& op)
750 {
751 const Index offset = this->coordToOffset(xyz);
752 bool state = mValueMask.isOn(offset);
753 ValueType val = mBuffer[offset];
754 op(val, state);
755 mBuffer.setValue(offset, val);
756 mValueMask.set(offset, state);
757 }
758
760 void setValuesOn() { mValueMask.setOn(); }
762 void setValuesOff() { mValueMask.setOff(); }
763
765 bool isValueOn(const Coord& xyz) const {return this->isValueOn(LeafNode::coordToOffset(xyz));}
767 bool isValueOn(Index offset) const { return mValueMask.isOn(offset); }
768
770 static bool hasActiveTiles() { return false; }
771
773 void clip(const CoordBBox&, const ValueType& background);
774
776 void fill(const CoordBBox& bbox, const ValueType&, bool active = true);
777
779 void fill(const ValueType& value);
781 void fill(const ValueType& value, bool active);
782
794 template<typename DenseT>
795 void copyToDense(const CoordBBox& bbox, DenseT& dense) const;
796
813 template<typename DenseT>
814 void copyFromDense(const CoordBBox& bbox, const DenseT& dense,
815 const ValueType& background, const ValueType& tolerance);
816
819 template<typename AccessorT>
820 const ValueType& getValueAndCache(const Coord& xyz, AccessorT&) const
821 {
822 return this->getValue(xyz);
823 }
824
827 template<typename AccessorT>
828 bool isValueOnAndCache(const Coord& xyz, AccessorT&) const { return this->isValueOn(xyz); }
829
832 template<typename AccessorT>
833 void setValueAndCache(const Coord& xyz, const ValueType& val, AccessorT&)
834 {
835 this->setValueOn(xyz, val);
836 }
837
841 template<typename AccessorT>
842 void setValueOnlyAndCache(const Coord& xyz, const ValueType& val, AccessorT&)
843 {
844 this->setValueOnly(xyz, val);
845 }
846
850 template<typename ModifyOp, typename AccessorT>
851 void modifyValueAndCache(const Coord& xyz, const ModifyOp& op, AccessorT&)
852 {
853 this->modifyValue(xyz, op);
854 }
855
858 template<typename ModifyOp, typename AccessorT>
859 void modifyValueAndActiveStateAndCache(const Coord& xyz, const ModifyOp& op, AccessorT&)
860 {
861 this->modifyValueAndActiveState(xyz, op);
862 }
863
866 template<typename AccessorT>
867 void setValueOffAndCache(const Coord& xyz, const ValueType& value, AccessorT&)
868 {
869 this->setValueOff(xyz, value);
870 }
871
875 template<typename AccessorT>
876 void setActiveStateAndCache(const Coord& xyz, bool on, AccessorT&)
877 {
878 this->setActiveState(xyz, on);
879 }
880
884 template<typename AccessorT>
885 bool probeValueAndCache(const Coord& xyz, ValueType& val, AccessorT&) const
886 {
887 return this->probeValue(xyz, val);
888 }
889
893 template<typename AccessorT>
894 const ValueType& getValue(const Coord& xyz, bool& state, int& level, AccessorT&) const
895 {
896 const Index offset = this->coordToOffset(xyz);
897 state = mValueMask.isOn(offset);
898 level = LEVEL;
899 return mBuffer[offset];
900 }
901
904 template<typename AccessorT>
905 static Index getValueLevelAndCache(const Coord&, AccessorT&) { return LEVEL; }
906
910 const ValueType& getFirstValue() const { return mBuffer[0]; }
912 const ValueType& getLastValue() const { return mBuffer[SIZE - 1]; }
913
916 void resetBackground(const ValueType& oldBackground, const ValueType& newBackground);
917
918 void negate();
919
922 void voxelizeActiveTiles(bool = true) {}
923
924 template<MergePolicy Policy> void merge(const LeafNode&);
925 template<MergePolicy Policy> void merge(const ValueType& tileValue, bool tileActive);
926 template<MergePolicy Policy>
927 void merge(const LeafNode& other, const ValueType& /*bg*/, const ValueType& /*otherBG*/);
928
935 template<typename OtherType>
936 void topologyUnion(const LeafNode<OtherType, Log2Dim>& other);
937
949 template<typename OtherType>
950 void topologyIntersection(const LeafNode<OtherType, Log2Dim>& other, const ValueType&);
951
963 template<typename OtherType>
964 void topologyDifference(const LeafNode<OtherType, Log2Dim>& other, const ValueType&);
965
966 template<typename CombineOp>
967 void combine(const LeafNode& other, CombineOp& op);
968 template<typename CombineOp>
969 void combine(const ValueType& value, bool valueIsActive, CombineOp& op);
970
971 template<typename CombineOp, typename OtherType /*= ValueType*/>
972 void combine2(const LeafNode& other, const OtherType&, bool valueIsActive, CombineOp&);
973 template<typename CombineOp, typename OtherNodeT /*= LeafNode*/>
974 void combine2(const ValueType&, const OtherNodeT& other, bool valueIsActive, CombineOp&);
975 template<typename CombineOp, typename OtherNodeT /*= LeafNode*/>
976 void combine2(const LeafNode& b0, const OtherNodeT& b1, CombineOp&);
977
983 template<typename BBoxOp> void visitActiveBBox(BBoxOp&) const;
984
985 template<typename VisitorOp> void visit(VisitorOp&);
986 template<typename VisitorOp> void visit(VisitorOp&) const;
987
988 template<typename OtherLeafNodeType, typename VisitorOp>
989 void visit2Node(OtherLeafNodeType& other, VisitorOp&);
990 template<typename OtherLeafNodeType, typename VisitorOp>
991 void visit2Node(OtherLeafNodeType& other, VisitorOp&) const;
992 template<typename IterT, typename VisitorOp>
993 void visit2(IterT& otherIter, VisitorOp&, bool otherIsLHS = false);
994 template<typename IterT, typename VisitorOp>
995 void visit2(IterT& otherIter, VisitorOp&, bool otherIsLHS = false) const;
996
998 void prune(const ValueType& /*tolerance*/ = zeroVal<ValueType>()) {}
1000 void addLeaf(LeafNode*) {}
1001 template<typename AccessorT>
1002 void addLeafAndCache(LeafNode*, AccessorT&) {}
1003 template<typename NodeT>
1004 NodeT* stealNode(const Coord&, const ValueType&, bool) { return NULL; }
1005 template<typename NodeT>
1006 NodeT* probeNode(const Coord&) { return NULL; }
1007 template<typename NodeT>
1008 const NodeT* probeConstNode(const Coord&) const { return NULL; }
1009 template<typename ArrayT> void getNodes(ArrayT&) const {}
1010 template<typename ArrayT> void stealNodes(ArrayT&, const ValueType&, bool) {}
1012
1013 void addTile(Index level, const Coord&, const ValueType&, bool);
1014 void addTile(Index offset, const ValueType&, bool);
1015 template<typename AccessorT>
1016 void addTileAndCache(Index, const Coord&, const ValueType&, bool, AccessorT&);
1017
1019 LeafNode* touchLeaf(const Coord&) { return this; }
1021 template<typename AccessorT>
1022 LeafNode* touchLeafAndCache(const Coord&, AccessorT&) { return this; }
1023 template<typename NodeT, typename AccessorT>
1024 NodeT* probeNodeAndCache(const Coord&, AccessorT&)
1025 {
1026 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
1027 if (!(boost::is_same<NodeT,LeafNode>::value)) return NULL;
1028 return reinterpret_cast<NodeT*>(this);
1029 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
1030 }
1031 LeafNode* probeLeaf(const Coord&) { return this; }
1032 template<typename AccessorT>
1033 LeafNode* probeLeafAndCache(const Coord&, AccessorT&) { return this; }
1035
1036 const LeafNode* probeConstLeaf(const Coord&) const { return this; }
1038 template<typename AccessorT>
1039 const LeafNode* probeConstLeafAndCache(const Coord&, AccessorT&) const { return this; }
1040 template<typename AccessorT>
1041 const LeafNode* probeLeafAndCache(const Coord&, AccessorT&) const { return this; }
1042 const LeafNode* probeLeaf(const Coord&) const { return this; }
1043 template<typename NodeT, typename AccessorT>
1044 const NodeT* probeConstNodeAndCache(const Coord&, AccessorT&) const
1045 {
1046 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
1047 if (!(boost::is_same<NodeT,LeafNode>::value)) return NULL;
1048 return reinterpret_cast<const NodeT*>(this);
1049 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
1050 }
1052
1062 bool isConstant(ValueType& firstValue, bool& state,
1063 const ValueType& tolerance = zeroVal<ValueType>()) const;
1064
1076 bool isConstant(ValueType& minValue, ValueType& maxValue,
1077 bool& state, const ValueType& tolerance = zeroVal<ValueType>()) const;
1078
1080 bool isInactive() const { return mValueMask.isOff(); }
1081
1082 protected:
1083 friend class ::TestLeaf;
1084 template<typename> friend class ::TestLeafIO;
1085
1086 // During topology-only construction, access is needed
1087 // to protected/private members of other template instances.
1088 template<typename, Index> friend class LeafNode;
1089
1090 friend struct ValueIter<MaskOnIterator, LeafNode, ValueType, ValueOn>;
1091 friend struct ValueIter<MaskOffIterator, LeafNode, ValueType, ValueOff>;
1092 friend struct ValueIter<MaskDenseIterator, LeafNode, ValueType, ValueAll>;
1093 friend struct ValueIter<MaskOnIterator, const LeafNode, ValueType, ValueOn>;
1094 friend struct ValueIter<MaskOffIterator, const LeafNode, ValueType, ValueOff>;
1095 friend struct ValueIter<MaskDenseIterator, const LeafNode, ValueType, ValueAll>;
1096
1097 // Allow iterators to call mask accessor methods (see below).
1099 friend class IteratorBase<MaskOnIterator, LeafNode>;
1100 friend class IteratorBase<MaskOffIterator, LeafNode>;
1101 friend class IteratorBase<MaskDenseIterator, LeafNode>;
1102
1103 // Mask accessors
1104 public:
1105 bool isValueMaskOn(Index n) const { return mValueMask.isOn(n); }
1106 bool isValueMaskOn() const { return mValueMask.isOn(); }
1107 bool isValueMaskOff(Index n) const { return mValueMask.isOff(n); }
1108 bool isValueMaskOff() const { return mValueMask.isOff(); }
1109 const NodeMaskType& getValueMask() const { return mValueMask; }
1110 NodeMaskType& getValueMask() { return mValueMask; }
1111 const NodeMaskType& valueMask() const { return mValueMask; }
1112 void setValueMask(const NodeMaskType& mask) { mValueMask = mask; }
1113 bool isChildMaskOn(Index) const { return false; } // leaf nodes have no children
1114 bool isChildMaskOff(Index) const { return true; }
1115 bool isChildMaskOff() const { return true; }
1116 protected:
1117 void setValueMask(Index n, bool on) { mValueMask.set(n, on); }
1118 void setValueMaskOn(Index n) { mValueMask.setOn(n); }
1119 void setValueMaskOff(Index n) { mValueMask.setOff(n); }
1120
1122 static void evalNodeOrigin(Coord& xyz) { xyz &= ~(DIM - 1); }
1123
1124 template<typename NodeT, typename VisitorOp, typename ChildAllIterT>
1125 static inline void doVisit(NodeT&, VisitorOp&);
1126
1127 template<typename NodeT, typename OtherNodeT, typename VisitorOp,
1128 typename ChildAllIterT, typename OtherChildAllIterT>
1129 static inline void doVisit2Node(NodeT& self, OtherNodeT& other, VisitorOp&);
1130
1131 template<typename NodeT, typename VisitorOp,
1132 typename ChildAllIterT, typename OtherChildAllIterT>
1133 static inline void doVisit2(NodeT& self, OtherChildAllIterT&, VisitorOp&, bool otherIsLHS);
1134
1135 private:
1137 Buffer mBuffer;
1139 NodeMaskType mValueMask;
1141 Coord mOrigin;
1142 }; // end of LeafNode class
1143
1144
1145 #ifndef OPENVDB_2_ABI_COMPATIBLE
1146 template<typename T, Index Log2Dim>
1147 const T LeafNode<T, Log2Dim>::Buffer::sZero = zeroVal<T>();
1148 #endif
1149
1150
1152
1153
1155 template<Index Dim1, typename NodeT2>
1158 struct SameLeafConfig { static const bool value = false; };
1159
1160 template<Index Dim1, typename T2>
1161 struct SameLeafConfig<Dim1, LeafNode<T2, Dim1> > { static const bool value = true; };
1163
1164
1166
1167
1168 template<typename T, Index Log2Dim>
1169 inline
1170 LeafNode<T, Log2Dim>::LeafNode():
1171 mValueMask(),//default is off!
1172 mOrigin(0, 0, 0)
1173 {
1174 }
1175
1176
1177 template<typename T, Index Log2Dim>
1178 inline
1179 LeafNode<T, Log2Dim>::LeafNode(const Coord& xyz, const ValueType& val, bool active):
1180 mBuffer(val),
1181 mValueMask(active),
1182 mOrigin(xyz & (~(DIM - 1)))
1183 {
1184 }
1185
1186
1187 #ifndef OPENVDB_2_ABI_COMPATIBLE
1188 template<typename T, Index Log2Dim>
1189 inline
1190 LeafNode<T, Log2Dim>::LeafNode(PartialCreate, const Coord& xyz, const ValueType& val, bool active):
1191 mBuffer(PartialCreate(), val),
1192 mValueMask(active),
1193 mOrigin(xyz & (~(DIM - 1)))
1194 {
1195 }
1196 #endif
1197
1198
1199 template<typename T, Index Log2Dim>
1200 inline
1201 LeafNode<T, Log2Dim>::LeafNode(const LeafNode &other):
1202 mBuffer(other.mBuffer),
1203 mValueMask(other.valueMask()),
1204 mOrigin(other.mOrigin)
1205 {
1206 }
1207
1208
1209 // Copy-construct from a leaf node with the same configuration but a different ValueType.
1210 template<typename T, Index Log2Dim>
1211 template<typename OtherValueType>
1212 inline
1213 LeafNode<T, Log2Dim>::LeafNode(const LeafNode<OtherValueType, Log2Dim>& other):
1214 mValueMask(other.valueMask()),
1215 mOrigin(other.mOrigin)
1216 {
1217 struct Local {
1219 static inline ValueType convertValue(const OtherValueType& val) { return ValueType(val); }
1220 };
1221
1222 for (Index i = 0; i < SIZE; ++i) {
1223 mBuffer[i] = Local::convertValue(other.mBuffer[i]);
1224 }
1225 }
1226
1227
1228 template<typename T, Index Log2Dim>
1229 template<typename OtherValueType>
1230 inline
1231 LeafNode<T, Log2Dim>::LeafNode(const LeafNode<OtherValueType, Log2Dim>& other,
1232 const ValueType& background, TopologyCopy):
1233 mBuffer(background),
1234 mValueMask(other.valueMask()),
1235 mOrigin(other.mOrigin)
1236 {
1237 }
1238
1239
1240 template<typename T, Index Log2Dim>
1241 template<typename OtherValueType>
1242 inline
1243 LeafNode<T, Log2Dim>::LeafNode(const LeafNode<OtherValueType, Log2Dim>& other,
1244 const ValueType& offValue, const ValueType& onValue, TopologyCopy):
1245 mValueMask(other.valueMask()),
1246 mOrigin(other.mOrigin)
1247 {
1248 for (Index i = 0; i < SIZE; ++i) {
1249 mBuffer[i] = (mValueMask.isOn(i) ? onValue : offValue);
1250 }
1251 }
1252
1253
1254 template<typename T, Index Log2Dim>
1255 inline
1256 LeafNode<T, Log2Dim>::~LeafNode()
1257 {
1258 }
1259
1260
1261 template<typename T, Index Log2Dim>
1262 inline std::string
1263 LeafNode<T, Log2Dim>::str() const
1264 {
1265 std::ostringstream ostr;
1266 ostr << "LeafNode @" << mOrigin << ": " << mBuffer;
1267 return ostr.str();
1268 }
1269
1270
1272
1273
1274 template<typename T, Index Log2Dim>
1275 inline Index
1276 LeafNode<T, Log2Dim>::coordToOffset(const Coord& xyz)
1277 {
1278 assert ((xyz[0] & (DIM-1u)) < DIM && (xyz[1] & (DIM-1u)) < DIM && (xyz[2] & (DIM-1u)) < DIM);
1279 return ((xyz[0] & (DIM-1u)) << 2*Log2Dim)
1280 + ((xyz[1] & (DIM-1u)) << Log2Dim)
1281 + (xyz[2] & (DIM-1u));
1282 }
1283
1284 template<typename T, Index Log2Dim>
1285 inline Coord
1286 LeafNode<T, Log2Dim>::offsetToLocalCoord(Index n)
1287 {
1288 assert(n<(1<< 3*Log2Dim));
1289 Coord xyz;
1290 xyz.setX(n >> 2*Log2Dim);
1291 n &= ((1<<2*Log2Dim)-1);
1292 xyz.setY(n >> Log2Dim);
1293 xyz.setZ(n & ((1<<Log2Dim)-1));
1294 return xyz;
1295 }
1296
1297
1298 template<typename T, Index Log2Dim>
1299 inline Coord
1300 LeafNode<T, Log2Dim>::offsetToGlobalCoord(Index n) const
1301 {
1302 return (this->offsetToLocalCoord(n) + this->origin());
1303 }
1304
1305
1307
1308
1309 template<typename ValueT, Index Log2Dim>
1310 inline const ValueT&
1311 LeafNode<ValueT, Log2Dim>::getValue(const Coord& xyz) const
1312 {
1313 return this->getValue(LeafNode::coordToOffset(xyz));
1314 }
1315
1316 template<typename ValueT, Index Log2Dim>
1317 inline const ValueT&
1318 LeafNode<ValueT, Log2Dim>::getValue(Index offset) const
1319 {
1320 assert(offset < SIZE);
1321 return mBuffer[offset];
1322 }
1323
1324
1325 template<typename T, Index Log2Dim>
1326 inline bool
1327 LeafNode<T, Log2Dim>::probeValue(const Coord& xyz, ValueType& val) const
1328 {
1329 return this->probeValue(LeafNode::coordToOffset(xyz), val);
1330 }
1331
1332 template<typename T, Index Log2Dim>
1333 inline bool
1334 LeafNode<T, Log2Dim>::probeValue(Index offset, ValueType& val) const
1335 {
1336 assert(offset < SIZE);
1337 val = mBuffer[offset];
1338 return mValueMask.isOn(offset);
1339 }
1340
1341
1342 template<typename T, Index Log2Dim>
1343 inline void
1344 LeafNode<T, Log2Dim>::setValueOff(const Coord& xyz, const ValueType& val)
1345 {
1346 this->setValueOff(LeafNode::coordToOffset(xyz), val);
1347 }
1348
1349 template<typename T, Index Log2Dim>
1350 inline void
1351 LeafNode<T, Log2Dim>::setValueOff(Index offset, const ValueType& val)
1352 {
1353 assert(offset < SIZE);
1354 mBuffer.setValue(offset, val);
1355 mValueMask.setOff(offset);
1356 }
1357
1358
1359 template<typename T, Index Log2Dim>
1360 inline void
1361 LeafNode<T, Log2Dim>::setActiveState(const Coord& xyz, bool on)
1362 {
1363 mValueMask.set(this->coordToOffset(xyz), on);
1364 }
1365
1366
1367 template<typename T, Index Log2Dim>
1368 inline void
1369 LeafNode<T, Log2Dim>::setValueOnly(const Coord& xyz, const ValueType& val)
1370 {
1371 this->setValueOnly(LeafNode::coordToOffset(xyz), val);
1372 }
1373
1374 template<typename T, Index Log2Dim>
1375 inline void
1376 LeafNode<T, Log2Dim>::setValueOnly(Index offset, const ValueType& val)
1377 {
1378 assert(offset<SIZE); mBuffer.setValue(offset, val);
1379 }
1380
1381
1383
1384
1385 template<typename T, Index Log2Dim>
1386 inline void
1387 LeafNode<T, Log2Dim>::clip(const CoordBBox& clipBBox, const T& background)
1388 {
1389 CoordBBox nodeBBox = this->getNodeBoundingBox();
1390 if (!clipBBox.hasOverlap(nodeBBox)) {
1391 // This node lies completely outside the clipping region. Fill it with the background.
1392 this->fill(background, /*active=*/false);
1393 } else if (clipBBox.isInside(nodeBBox)) {
1394 // This node lies completely inside the clipping region. Leave it intact.
1395 return;
1396 }
1397
1398 // This node isn't completely contained inside the clipping region.
1399 // Set any voxels that lie outside the region to the background value.
1400
1401 // Construct a boolean mask that is on inside the clipping region and off outside it.
1402 NodeMaskType mask;
1403 nodeBBox.intersect(clipBBox);
1404 Coord xyz;
1405 int &x = xyz.x(), &y = xyz.y(), &z = xyz.z();
1406 for (x = nodeBBox.min().x(); x <= nodeBBox.max().x(); ++x) {
1407 for (y = nodeBBox.min().y(); y <= nodeBBox.max().y(); ++y) {
1408 for (z = nodeBBox.min().z(); z <= nodeBBox.max().z(); ++z) {
1409 mask.setOn(static_cast<Index32>(this->coordToOffset(xyz)));
1410 }
1411 }
1412 }
1413
1414 // Set voxels that lie in the inactive region of the mask (i.e., outside
1415 // the clipping region) to the background value.
1416 for (MaskOffIterator maskIter = mask.beginOff(); maskIter; ++maskIter) {
1417 this->setValueOff(maskIter.pos(), background);
1418 }
1419 }
1420
1421
1423
1424
1425 template<typename T, Index Log2Dim>
1426 inline void
1427 LeafNode<T, Log2Dim>::fill(const CoordBBox& bbox, const ValueType& value, bool active)
1428 {
1429 #ifndef OPENVDB_2_ABI_COMPATIBLE
1430 if (!this->allocate()) return;
1431 #endif
1432
1433 for (Int32 x = bbox.min().x(); x <= bbox.max().x(); ++x) {
1434 const Index offsetX = (x & (DIM-1u)) << 2*Log2Dim;
1435 for (Int32 y = bbox.min().y(); y <= bbox.max().y(); ++y) {
1436 const Index offsetXY = offsetX + ((y & (DIM-1u)) << Log2Dim);
1437 for (Int32 z = bbox.min().z(); z <= bbox.max().z(); ++z) {
1438 const Index offset = offsetXY + (z & (DIM-1u));
1439 mBuffer[offset] = value;
1440 mValueMask.set(offset, active);
1441 }
1442 }
1443 }
1444 }
1445
1446 template<typename T, Index Log2Dim>
1447 inline void
1448 LeafNode<T, Log2Dim>::fill(const ValueType& value)
1449 {
1450 mBuffer.fill(value);
1451 }
1452
1453 template<typename T, Index Log2Dim>
1454 inline void
1455 LeafNode<T, Log2Dim>::fill(const ValueType& value, bool active)
1456 {
1457 mBuffer.fill(value);
1458 mValueMask.set(active);
1459 }
1460
1461
1463
1464
1465 template<typename T, Index Log2Dim>
1466 template<typename DenseT>
1467 inline void
1468 LeafNode<T, Log2Dim>::copyToDense(const CoordBBox& bbox, DenseT& dense) const
1469 {
1470 #ifndef OPENVDB_2_ABI_COMPATIBLE
1471 if (!this->isAllocated()) return;
1472 #endif
1473
1474 typedef typename DenseT::ValueType DenseValueType;
1475
1476 const size_t xStride = dense.xStride(), yStride = dense.yStride(), zStride = dense.zStride();
1477 const Coord& min = dense.bbox().min();
1478 DenseValueType* t0 = dense.data() + zStride * (bbox.min()[2] - min[2]); // target array
1479 const T* s0 = &mBuffer[bbox.min()[2] & (DIM-1u)]; // source array
1480 for (Int32 x = bbox.min()[0], ex = bbox.max()[0] + 1; x < ex; ++x) {
1481 DenseValueType* t1 = t0 + xStride * (x - min[0]);
1482 const T* s1 = s0 + ((x & (DIM-1u)) << 2*Log2Dim);
1483 for (Int32 y = bbox.min()[1], ey = bbox.max()[1] + 1; y < ey; ++y) {
1484 DenseValueType* t2 = t1 + yStride * (y - min[1]);
1485 const T* s2 = s1 + ((y & (DIM-1u)) << Log2Dim);
1486 for (Int32 z = bbox.min()[2], ez = bbox.max()[2] + 1; z < ez; ++z, t2 += zStride) {
1487 *t2 = DenseValueType(*s2++);
1488 }
1489 }
1490 }
1491 }
1492
1493
1494 template<typename T, Index Log2Dim>
1495 template<typename DenseT>
1496 inline void
1497 LeafNode<T, Log2Dim>::copyFromDense(const CoordBBox& bbox, const DenseT& dense,
1498 const ValueType& background, const ValueType& tolerance)
1499 {
1500 #ifndef OPENVDB_2_ABI_COMPATIBLE
1501 if (!this->allocate()) return;
1502 #endif
1503
1504 typedef typename DenseT::ValueType DenseValueType;
1505
1506 const size_t xStride = dense.xStride(), yStride = dense.yStride(), zStride = dense.zStride();
1507 const Coord& min = dense.bbox().min();
1508
1509 const DenseValueType* s0 = dense.data() + zStride * (bbox.min()[2] - min[2]); // source
1510 const Int32 n0 = bbox.min()[2] & (DIM-1u);
1511 for (Int32 x = bbox.min()[0], ex = bbox.max()[0]+1; x < ex; ++x) {
1512 const DenseValueType* s1 = s0 + xStride * (x - min[0]);
1513 const Int32 n1 = n0 + ((x & (DIM-1u)) << 2*LOG2DIM);
1514 for (Int32 y = bbox.min()[1], ey = bbox.max()[1]+1; y < ey; ++y) {
1515 const DenseValueType* s2 = s1 + yStride * (y - min[1]);
1516 Int32 n2 = n1 + ((y & (DIM-1u)) << LOG2DIM);
1517 for (Int32 z = bbox.min()[2], ez = bbox.max()[2]+1; z < ez; ++z, ++n2, s2 += zStride) {
1518 if (math::isApproxEqual(background, ValueType(*s2), tolerance)) {
1519 mValueMask.setOff(n2);
1520 mBuffer[n2] = background;
1521 } else {
1522 mValueMask.setOn(n2);
1523 mBuffer[n2] = ValueType(*s2);
1524 }
1525 }
1526 }
1527 }
1528 }
1529
1530
1532
1533
1534 template<typename T, Index Log2Dim>
1535 inline void
1536 LeafNode<T, Log2Dim>::readTopology(std::istream& is, bool /*fromHalf*/)
1537 {
1538 mValueMask.load(is);
1539 }
1540
1541
1542 template<typename T, Index Log2Dim>
1543 inline void
1544 LeafNode<T, Log2Dim>::writeTopology(std::ostream& os, bool /*toHalf*/) const
1545 {
1546 mValueMask.save(os);
1547 }
1548
1549
1551
1552
1553 #ifndef OPENVDB_2_ABI_COMPATIBLE
1554 template<typename T, Index Log2Dim>
1555 inline void
1556 LeafNode<T, Log2Dim>::Buffer::doLoad() const
1557 {
1558 if (!this->isOutOfCore()) return;
1559
1560 Buffer* self = const_cast<Buffer*>(this);
1561
1562 // This lock will be contended at most once, after which this buffer
1563 // will no longer be out-of-core.
1564 tbb::spin_mutex::scoped_lock lock(self->mMutex);
1565 if (!this->isOutOfCore()) return;
1566
1567 boost::scoped_ptr<FileInfo> info(self->mFileInfo);
1568 assert(info.get() != NULL);
1569 assert(info->mapping.get() != NULL);
1570 assert(info->meta.get() != NULL);
1571
1573 self->mData = NULL;
1574 self->allocate();
1575
1576 boost::shared_ptr<std::streambuf> buf = info->mapping->createBuffer();
1577 std::istream is(buf.get());
1578
1579 io::setStreamMetadataPtr(is, info->meta, /*transfer=*/true);
1580
1581 NodeMaskType mask;
1582 is.seekg(info->maskpos);
1583 mask.load(is);
1584
1585 is.seekg(info->bufpos);
1586 io::readCompressedValues(is, self->mData, SIZE, mask, io::getHalfFloat(is));
1587
1588 self->setOutOfCore(false);
1589 }
1590 #endif
1591
1592
1594
1595
1596 template<typename T, Index Log2Dim>
1597 inline void
1598 LeafNode<T,Log2Dim>::readBuffers(std::istream& is, bool fromHalf)
1599 {
1600 this->readBuffers(is, CoordBBox::inf(), fromHalf);
1601 }
1602
1603
1604 template<typename T, Index Log2Dim>
1605 inline void
1606 LeafNode<T,Log2Dim>::readBuffers(std::istream& is, const CoordBBox& clipBBox, bool fromHalf)
1607 {
1608 #ifndef OPENVDB_2_ABI_COMPATIBLE
1609 std::streamoff maskpos = is.tellg();
1610 #endif
1611
1612 // Read in the value mask.
1613 mValueMask.load(is);
1614
1615 int8_t numBuffers = 1;
1616 if (io::getFormatVersion(is) < OPENVDB_FILE_VERSION_NODE_MASK_COMPRESSION) {
1617 // Read in the origin.
1618 is.read(reinterpret_cast<char*>(&mOrigin), sizeof(Coord::ValueType) * 3);
1619
1620 // Read in the number of buffers, which should now always be one.
1621 is.read(reinterpret_cast<char*>(&numBuffers), sizeof(int8_t));
1622 }
1623
1624 CoordBBox nodeBBox = this->getNodeBoundingBox();
1625 if (!clipBBox.hasOverlap(nodeBBox)) {
1626 // This node lies completely outside the clipping region.
1627 // Read and discard its voxel values.
1628 Buffer temp;
1629 io::readCompressedValues(is, temp.mData, SIZE, mValueMask, fromHalf);
1630 mValueMask.setOff();
1631 mBuffer.setOutOfCore(false);
1632 } else {
1633 #ifndef OPENVDB_2_ABI_COMPATIBLE
1634 // If this node lies completely inside the clipping region and it is being read
1635 // from a memory-mapped file, delay loading of its buffer until the buffer
1636 // is actually accessed. (If this node requires clipping, its buffer
1637 // must be accessed and therefore must be loaded.)
1638 io::MappedFile::Ptr mappedFile = io::getMappedFilePtr(is);
1639 const bool delayLoad = ((mappedFile.get() != NULL) && clipBBox.isInside(nodeBBox));
1640
1641 if (delayLoad) {
1642 mBuffer.setOutOfCore(true);
1643 mBuffer.mFileInfo = new FileInfo;
1644 mBuffer.mFileInfo->bufpos = is.tellg();
1645 mBuffer.mFileInfo->mapping = mappedFile;
1646 // Save the offset to the value mask, because the in-memory copy
1647 // might change before the value buffer gets read.
1648 mBuffer.mFileInfo->maskpos = maskpos;
1649
1650 mBuffer.mFileInfo->meta = io::getStreamMetadataPtr(is);
1651
1652 // Read and discard voxel values.
1653 Buffer temp;
1654 io::readCompressedValues(is, temp.mData, SIZE, mValueMask, fromHalf);
1655 } else {
1656 #endif
1657 mBuffer.allocate();
1658 io::readCompressedValues(is, mBuffer.mData, SIZE, mValueMask, fromHalf);
1659 mBuffer.setOutOfCore(false);
1660
1661 // Get this tree's background value.
1662 T background = zeroVal<T>();
1663 if (const void* bgPtr = io::getGridBackgroundValuePtr(is)) {
1664 background = *static_cast<const T*>(bgPtr);
1665 }
1666 this->clip(clipBBox, background);
1667 #ifndef OPENVDB_2_ABI_COMPATIBLE
1668 }
1669 #endif
1670 }
1671
1672 if (numBuffers > 1) {
1673 // Read in and discard auxiliary buffers that were created with earlier
1674 // versions of the library. (Auxiliary buffers are not mask compressed.)
1675 const bool zipped = io::getDataCompression(is) & io::COMPRESS_ZIP;
1676 Buffer temp;
1677 for (int i = 1; i < numBuffers; ++i) {
1678 if (fromHalf) {
1679 io::HalfReader<io::RealToHalf<T>::isReal, T>::read(is, temp.mData, SIZE, zipped);
1680 } else {
1681 io::readData<T>(is, temp.mData, SIZE, zipped);
1682 }
1683 }
1684 }
1685 }
1686
1687
1688 template<typename T, Index Log2Dim>
1689 inline void
1690 LeafNode<T, Log2Dim>::writeBuffers(std::ostream& os, bool toHalf) const
1691 {
1692 // Write out the value mask.
1693 mValueMask.save(os);
1694
1695 mBuffer.loadValues();
1696
1697 io::writeCompressedValues(os, mBuffer.mData, SIZE,
1698 mValueMask, /*childMask=*/NodeMaskType(), toHalf);
1699 }
1700
1701
1703
1704
1705 template<typename T, Index Log2Dim>
1706 inline bool
1707 LeafNode<T, Log2Dim>::operator==(const LeafNode& other) const
1708 {
1709 return mOrigin == other.mOrigin &&
1710 mValueMask == other.valueMask() &&
1711 mBuffer == other.mBuffer;
1712 }
1713
1714
1715 template<typename T, Index Log2Dim>
1716 inline Index64
1717 LeafNode<T, Log2Dim>::memUsage() const
1718 {
1719 // Use sizeof(*this) to capture alignment-related padding
1720 // (but note that sizeof(*this) includes sizeof(mBuffer)).
1721 return sizeof(*this) + mBuffer.memUsage() - sizeof(mBuffer);
1722 }
1723
1724
1725 template<typename T, Index Log2Dim>
1726 inline void
1727 LeafNode<T, Log2Dim>::evalActiveBoundingBox(CoordBBox& bbox, bool visitVoxels) const
1728 {
1729 CoordBBox this_bbox = this->getNodeBoundingBox();
1730 if (bbox.isInside(this_bbox)) return;//this LeafNode is already enclosed in the bbox
1731 if (ValueOnCIter iter = this->cbeginValueOn()) {//any active values?
1732 if (visitVoxels) {//use voxel granularity?
1733 this_bbox.reset();
1734 for(; iter; ++iter) this_bbox.expand(this->offsetToLocalCoord(iter.pos()));
1735 this_bbox.translate(this->origin());
1736 }
1737 bbox.expand(this_bbox);
1738 }
1739 }
1740
1741
1742 template<typename T, Index Log2Dim>
1743 template<typename OtherType, Index OtherLog2Dim>
1744 inline bool
1745 LeafNode<T, Log2Dim>::hasSameTopology(const LeafNode<OtherType, OtherLog2Dim>* other) const
1746 {
1747 assert(other);
1748 return (Log2Dim == OtherLog2Dim && mValueMask == other->getValueMask());
1749 }
1750
1751 template<typename T, Index Log2Dim>
1752 inline bool
1753 LeafNode<T, Log2Dim>::isConstant(ValueType& firstValue,
1754 bool& state,
1755 const ValueType& tolerance) const
1756 {
1757 if (!mValueMask.isConstant(state)) return false;// early termination
1758 firstValue = mBuffer[0];
1759 for (Index i = 1; i < SIZE; ++i) {
1760 if ( !math::isApproxEqual(mBuffer[i], firstValue, tolerance) ) return false;// early termination
1761 }
1762 return true;
1763 }
1764
1765 template<typename T, Index Log2Dim>
1766 inline bool
1767 LeafNode<T, Log2Dim>::isConstant(ValueType& minValue,
1768 ValueType& maxValue,
1769 bool& state,
1770 const ValueType& tolerance) const
1771 {
1772 if (!mValueMask.isConstant(state)) return false;// early termination
1773 minValue = maxValue = mBuffer[0];
1774 for (Index i = 1; i < SIZE; ++i) {
1775 const T& v = mBuffer[i];
1776 if (v < minValue) {
1777 if ((maxValue - v) > tolerance) return false;// early termination
1778 minValue = v;
1779 } else if (v > maxValue) {
1780 if ((v - minValue) > tolerance) return false;// early termination
1781 maxValue = v;
1782 }
1783 }
1784 return true;
1785 }
1786
1788
1789
1790 template<typename T, Index Log2Dim>
1791 inline void
1792 LeafNode<T, Log2Dim>::addTile(Index /*level*/, const Coord& xyz, const ValueType& val, bool active)
1793 {
1794 this->addTile(this->coordToOffset(xyz), val, active);
1795 }
1796
1797 template<typename T, Index Log2Dim>
1798 inline void
1799 LeafNode<T, Log2Dim>::addTile(Index offset, const ValueType& val, bool active)
1800 {
1801 assert(offset < SIZE);
1802 setValueOnly(offset, val);
1803 setActiveState(offset, active);
1804 }
1805
1806 template<typename T, Index Log2Dim>
1807 template<typename AccessorT>
1808 inline void
1809 LeafNode<T, Log2Dim>::addTileAndCache(Index level, const Coord& xyz,
1810 const ValueType& val, bool active, AccessorT&)
1811 {
1812 this->addTile(level, xyz, val, active);
1813 }
1814
1815
1817
1818
1819 template<typename T, Index Log2Dim>
1820 inline void
1821 LeafNode<T, Log2Dim>::resetBackground(const ValueType& oldBackground,
1822 const ValueType& newBackground)
1823 {
1824 #ifndef OPENVDB_2_ABI_COMPATIBLE
1825 if (!this->allocate()) return;
1826 #endif
1827
1828 typename NodeMaskType::OffIterator iter;
1829 // For all inactive values...
1830 for (iter = this->mValueMask.beginOff(); iter; ++iter) {
1831 ValueType &inactiveValue = mBuffer[iter.pos()];
1832 if (math::isApproxEqual(inactiveValue, oldBackground)) {
1833 inactiveValue = newBackground;
1834 } else if (math::isApproxEqual(inactiveValue, math::negative(oldBackground))) {
1835 inactiveValue = math::negative(newBackground);
1836 }
1837 }
1838 }
1839
1840
1841 template<typename T, Index Log2Dim>
1842 template<MergePolicy Policy>
1843 inline void
1844 LeafNode<T, Log2Dim>::merge(const LeafNode& other)
1845 {
1846 #ifndef OPENVDB_2_ABI_COMPATIBLE
1847 if (!this->allocate()) return;
1848 #endif
1849
1850 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
1851 if (Policy == MERGE_NODES) return;
1852 typename NodeMaskType::OnIterator iter = other.valueMask().beginOn();
1853 for (; iter; ++iter) {
1854 const Index n = iter.pos();
1855 if (mValueMask.isOff(n)) {
1856 mBuffer[n] = other.mBuffer[n];
1857 mValueMask.setOn(n);
1858 }
1859 }
1860 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
1861 }
1862
1863 template<typename T, Index Log2Dim>
1864 template<MergePolicy Policy>
1865 inline void
1866 LeafNode<T, Log2Dim>::merge(const LeafNode& other,
1867 const ValueType& /*bg*/, const ValueType& /*otherBG*/)
1868 {
1869 this->template merge<Policy>(other);
1870 }
1871
1872 template<typename T, Index Log2Dim>
1873 template<MergePolicy Policy>
1874 inline void
1875 LeafNode<T, Log2Dim>::merge(const ValueType& tileValue, bool tileActive)
1876 {
1877 #ifndef OPENVDB_2_ABI_COMPATIBLE
1878 if (!this->allocate()) return;
1879 #endif
1880
1881 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
1882 if (Policy != MERGE_ACTIVE_STATES_AND_NODES) return;
1883 if (!tileActive) return;
1884 // Replace all inactive values with the active tile value.
1885 for (typename NodeMaskType::OffIterator iter = mValueMask.beginOff(); iter; ++iter) {
1886 const Index n = iter.pos();
1887 mBuffer[n] = tileValue;
1888 mValueMask.setOn(n);
1889 }
1890 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
1891 }
1892
1893
1894 template<typename T, Index Log2Dim>
1895 template<typename OtherType>
1896 inline void
1897 LeafNode<T, Log2Dim>::topologyUnion(const LeafNode<OtherType, Log2Dim>& other)
1898 {
1899 mValueMask |= other.valueMask();
1900 }
1901
1902 template<typename T, Index Log2Dim>
1903 template<typename OtherType>
1904 inline void
1905 LeafNode<T, Log2Dim>::topologyIntersection(const LeafNode<OtherType, Log2Dim>& other,
1906 const ValueType&)
1907 {
1908 mValueMask &= other.valueMask();
1909 }
1910
1911 template<typename T, Index Log2Dim>
1912 template<typename OtherType>
1913 inline void
1914 LeafNode<T, Log2Dim>::topologyDifference(const LeafNode<OtherType, Log2Dim>& other,
1915 const ValueType&)
1916 {
1917 mValueMask &= !other.valueMask();
1918 }
1919
1920 template<typename T, Index Log2Dim>
1921 inline void
1922 LeafNode<T, Log2Dim>::negate()
1923 {
1924 #ifndef OPENVDB_2_ABI_COMPATIBLE
1925 if (!this->allocate()) return;
1926 #endif
1927 for (Index i = 0; i < SIZE; ++i) {
1928 mBuffer[i] = -mBuffer[i];
1929 }
1930 }
1931
1932
1934
1935
1936 template<typename T, Index Log2Dim>
1937 template<typename CombineOp>
1938 inline void
1939 LeafNode<T, Log2Dim>::combine(const LeafNode& other, CombineOp& op)
1940 {
1941 #ifndef OPENVDB_2_ABI_COMPATIBLE
1942 if (!this->allocate()) return;
1943 #endif
1944 CombineArgs<T> args;
1945 for (Index i = 0; i < SIZE; ++i) {
1946 op(args.setARef(mBuffer[i])
1947 .setAIsActive(mValueMask.isOn(i))
1948 .setBRef(other.mBuffer[i])
1949 .setBIsActive(other.valueMask().isOn(i))
1950 .setResultRef(mBuffer[i]));
1951 mValueMask.set(i, args.resultIsActive());
1952 }
1953 }
1954
1955
1956 template<typename T, Index Log2Dim>
1957 template<typename CombineOp>
1958 inline void
1959 LeafNode<T, Log2Dim>::combine(const ValueType& value, bool valueIsActive, CombineOp& op)
1960 {
1961 #ifndef OPENVDB_2_ABI_COMPATIBLE
1962 if (!this->allocate()) return;
1963 #endif
1964 CombineArgs<T> args;
1965 args.setBRef(value).setBIsActive(valueIsActive);
1966 for (Index i = 0; i < SIZE; ++i) {
1967 op(args.setARef(mBuffer[i])
1968 .setAIsActive(mValueMask.isOn(i))
1969 .setResultRef(mBuffer[i]));
1970 mValueMask.set(i, args.resultIsActive());
1971 }
1972 }
1973
1974
1976
1977
1978 template<typename T, Index Log2Dim>
1979 template<typename CombineOp, typename OtherType>
1980 inline void
1981 LeafNode<T, Log2Dim>::combine2(const LeafNode& other, const OtherType& value,
1982 bool valueIsActive, CombineOp& op)
1983 {
1984 #ifndef OPENVDB_2_ABI_COMPATIBLE
1985 if (!this->allocate()) return;
1986 #endif
1987 CombineArgs<T, OtherType> args;
1988 args.setBRef(value).setBIsActive(valueIsActive);
1989 for (Index i = 0; i < SIZE; ++i) {
1990 op(args.setARef(other.mBuffer[i])
1991 .setAIsActive(other.valueMask().isOn(i))
1992 .setResultRef(mBuffer[i]));
1993 mValueMask.set(i, args.resultIsActive());
1994 }
1995 }
1996
1997
1998 template<typename T, Index Log2Dim>
1999 template<typename CombineOp, typename OtherNodeT>
2000 inline void
2001 LeafNode<T, Log2Dim>::combine2(const ValueType& value, const OtherNodeT& other,
2002 bool valueIsActive, CombineOp& op)
2003 {
2004 #ifndef OPENVDB_2_ABI_COMPATIBLE
2005 if (!this->allocate()) return;
2006 #endif
2007 CombineArgs<T, typename OtherNodeT::ValueType> args;
2008 args.setARef(value).setAIsActive(valueIsActive);
2009 for (Index i = 0; i < SIZE; ++i) {
2010 op(args.setBRef(other.mBuffer[i])
2011 .setBIsActive(other.valueMask().isOn(i))
2012 .setResultRef(mBuffer[i]));
2013 mValueMask.set(i, args.resultIsActive());
2014 }
2015 }
2016
2017
2018 template<typename T, Index Log2Dim>
2019 template<typename CombineOp, typename OtherNodeT>
2020 inline void
2021 LeafNode<T, Log2Dim>::combine2(const LeafNode& b0, const OtherNodeT& b1, CombineOp& op)
2022 {
2023 #ifndef OPENVDB_2_ABI_COMPATIBLE
2024 if (!this->allocate()) return;
2025 #endif
2026 CombineArgs<T, typename OtherNodeT::ValueType> args;
2027 for (Index i = 0; i < SIZE; ++i) {
2028 mValueMask.set(i, b0.valueMask().isOn(i) || b1.valueMask().isOn(i));
2029 op(args.setARef(b0.mBuffer[i])
2030 .setAIsActive(b0.valueMask().isOn(i))
2031 .setBRef(b1.mBuffer[i])
2032 .setBIsActive(b1.valueMask().isOn(i))
2033 .setResultRef(mBuffer[i]));
2034 mValueMask.set(i, args.resultIsActive());
2035 }
2036 }
2037
2038
2040
2041
2042 template<typename T, Index Log2Dim>
2043 template<typename BBoxOp>
2044 inline void
2045 LeafNode<T, Log2Dim>::visitActiveBBox(BBoxOp& op) const
2046 {
2047 if (op.template descent<LEVEL>()) {
2048 for (ValueOnCIter i=this->cbeginValueOn(); i; ++i) {
2049 #ifdef _MSC_VER
2050 op.operator()<LEVEL>(CoordBBox::createCube(i.getCoord(), 1));
2051 #else
2052 op.template operator()<LEVEL>(CoordBBox::createCube(i.getCoord(), 1));
2053 #endif
2054 }
2055 } else {
2056 #ifdef _MSC_VER
2057 op.operator()<LEVEL>(this->getNodeBoundingBox());
2058 #else
2059 op.template operator()<LEVEL>(this->getNodeBoundingBox());
2060 #endif
2061 }
2062 }
2063
2064
2065 template<typename T, Index Log2Dim>
2066 template<typename VisitorOp>
2067 inline void
2068 LeafNode<T, Log2Dim>::visit(VisitorOp& op)
2069 {
2070 doVisit<LeafNode, VisitorOp, ChildAllIter>(*this, op);
2071 }
2072
2073
2074 template<typename T, Index Log2Dim>
2075 template<typename VisitorOp>
2076 inline void
2077 LeafNode<T, Log2Dim>::visit(VisitorOp& op) const
2078 {
2079 doVisit<const LeafNode, VisitorOp, ChildAllCIter>(*this, op);
2080 }
2081
2082
2083 template<typename T, Index Log2Dim>
2084 template<typename NodeT, typename VisitorOp, typename ChildAllIterT>
2085 inline void
2086 LeafNode<T, Log2Dim>::doVisit(NodeT& self, VisitorOp& op)
2087 {
2088 for (ChildAllIterT iter = self.beginChildAll(); iter; ++iter) {
2089 op(iter);
2090 }
2091 }
2092
2093
2095
2096
2097 template<typename T, Index Log2Dim>
2098 template<typename OtherLeafNodeType, typename VisitorOp>
2099 inline void
2100 LeafNode<T, Log2Dim>::visit2Node(OtherLeafNodeType& other, VisitorOp& op)
2101 {
2102 doVisit2Node<LeafNode, OtherLeafNodeType, VisitorOp, ChildAllIter,
2103 typename OtherLeafNodeType::ChildAllIter>(*this, other, op);
2104 }
2105
2106
2107 template<typename T, Index Log2Dim>
2108 template<typename OtherLeafNodeType, typename VisitorOp>
2109 inline void
2110 LeafNode<T, Log2Dim>::visit2Node(OtherLeafNodeType& other, VisitorOp& op) const
2111 {
2112 doVisit2Node<const LeafNode, OtherLeafNodeType, VisitorOp, ChildAllCIter,
2113 typename OtherLeafNodeType::ChildAllCIter>(*this, other, op);
2114 }
2115
2116
2117 template<typename T, Index Log2Dim>
2118 template<
2119 typename NodeT,
2120 typename OtherNodeT,
2121 typename VisitorOp,
2122 typename ChildAllIterT,
2123 typename OtherChildAllIterT>
2124 inline void
2125 LeafNode<T, Log2Dim>::doVisit2Node(NodeT& self, OtherNodeT& other, VisitorOp& op)
2126 {
2127 // Allow the two nodes to have different ValueTypes, but not different dimensions.
2128 BOOST_STATIC_ASSERT(OtherNodeT::SIZE == NodeT::SIZE);
2129 BOOST_STATIC_ASSERT(OtherNodeT::LEVEL == NodeT::LEVEL);
2130
2131 ChildAllIterT iter = self.beginChildAll();
2132 OtherChildAllIterT otherIter = other.beginChildAll();
2133
2134 for ( ; iter && otherIter; ++iter, ++otherIter) {
2135 op(iter, otherIter);
2136 }
2137 }
2138
2139
2141
2142
2143 template<typename T, Index Log2Dim>
2144 template<typename IterT, typename VisitorOp>
2145 inline void
2146 LeafNode<T, Log2Dim>::visit2(IterT& otherIter, VisitorOp& op, bool otherIsLHS)
2147 {
2148 doVisit2<LeafNode, VisitorOp, ChildAllIter, IterT>(
2149 *this, otherIter, op, otherIsLHS);
2150 }
2151
2152
2153 template<typename T, Index Log2Dim>
2154 template<typename IterT, typename VisitorOp>
2155 inline void
2156 LeafNode<T, Log2Dim>::visit2(IterT& otherIter, VisitorOp& op, bool otherIsLHS) const
2157 {
2158 doVisit2<const LeafNode, VisitorOp, ChildAllCIter, IterT>(
2159 *this, otherIter, op, otherIsLHS);
2160 }
2161
2162
2163 template<typename T, Index Log2Dim>
2164 template<
2165 typename NodeT,
2166 typename VisitorOp,
2167 typename ChildAllIterT,
2168 typename OtherChildAllIterT>
2169 inline void
2170 LeafNode<T, Log2Dim>::doVisit2(NodeT& self, OtherChildAllIterT& otherIter,
2171 VisitorOp& op, bool otherIsLHS)
2172 {
2173 if (!otherIter) return;
2174
2175 if (otherIsLHS) {
2176 for (ChildAllIterT iter = self.beginChildAll(); iter; ++iter) {
2177 op(otherIter, iter);
2178 }
2179 } else {
2180 for (ChildAllIterT iter = self.beginChildAll(); iter; ++iter) {
2181 op(iter, otherIter);
2182 }
2183 }
2184 }
2185
2186
2188
2189
2190 template<typename T, Index Log2Dim>
2191 inline std::ostream&
2192 operator<<(std::ostream& os, const typename LeafNode<T, Log2Dim>::Buffer& buf)
2193 {
2194 for (Index32 i = 0, N = buf.size(); i < N; ++i) os << buf.mData[i] << ", ";
2195 return os;
2196 }
2197
2198 } // namespace tree
2199 } // namespace OPENVDB_VERSION_NAME
2200 } // namespace openvdb
2201
2202
2204
2205
2206 // Specialization for LeafNodes of type bool
2207 #include "LeafNodeBool.h"
2208
2209 // Specialization for LeafNodes with mask information only
2210 #include "LeafNodeMask.h"
2211
2212 #endif // OPENVDB_TREE_LEAFNODE_HAS_BEEN_INCLUDED
2213
2214 // Copyright (c) 2012-2016 DreamWorks Animation LLC
2215 // All rights reserved. This software is distributed under the
2216 // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
openvdb::v3_2_0::tree::LeafNode::beginChildOn
ChildOnIter beginChildOn()
Definition: LeafNode.h:618
openvdb::v3_2_0::util::NodeMask::beginOff
OffIterator beginOff() const
Definition: NodeMasks.h:351
openvdb::v3_2_0::tree::LeafNode::BuildType
T BuildType
Definition: LeafNode.h:68
openvdb::v3_2_0::tree::LeafNode::isValueOnAndCache
bool isValueOnAndCache(const Coord &xyz, AccessorT &) const
Return true if the voxel at the given coordinates is active.
Definition: LeafNode.h:828
openvdb::v3_2_0::io::MappedFile::Ptr
boost::shared_ptr< MappedFile > Ptr
Definition: io.h:135
openvdb::v3_2_0::tree::LeafNode::ValueOff
Definition: LeafNode.h:506
openvdb::v3_2_0::tree::LeafNode::FileInfo::maskpos
std::streamoff maskpos
Definition: LeafNode.h:102
openvdb::v3_2_0::tree::LeafNode::isValueMaskOff
bool isValueMaskOff(Index n) const
Definition: LeafNode.h:1107
openvdb::v3_2_0::tree::LeafNode::stealNodes
void stealNodes(ArrayT &, const ValueType &, bool)
This function exists only to enable template instantiation.
Definition: LeafNode.h:1010
openvdb::v3_2_0::tree::LeafNode::evalActiveBoundingBox
void evalActiveBoundingBox(CoordBBox &bbox, bool visitVoxels=true) const
Definition: LeafNode.h:1727
openvdb::v3_2_0::tree::LeafNode::isValueMaskOn
bool isValueMaskOn() const
Definition: LeafNode.h:1106
openvdb::v3_2_0::CombineArgs::resultIsActive
bool resultIsActive() const
Definition: Types.h:376
openvdb::v3_2_0::tree::LeafNode::getNodeBoundingBox
CoordBBox getNodeBoundingBox() const
Return the bounding box of this node, i.e., the full index space spanned by this leaf node...
Definition: LeafNode.h:469
openvdb::v3_2_0::tree::LeafNode::LEVEL
static const Index LEVEL
Definition: LeafNode.h:81
Types.h
openvdb::v3_2_0::tree::LeafNode::negate
void negate()
Definition: LeafNode.h:1922
openvdb::v3_2_0::util::NodeMask::isOff
bool isOff(Index32 n) const
Return true if the nth bit is off.
Definition: NodeMasks.h:505
openvdb::v3_2_0::tree::LeafNode::coordToOffset
static Index coordToOffset(const Coord &xyz)
Return the linear table offset of the given global or local coordinates.
Definition: LeafNode.h:1276
openvdb::v3_2_0::tree::LeafNode::Buffer::size
static Index size()
Return the number of values contained in this buffer.
Definition: LeafNode.h:263
Compression.h
openvdb::v3_2_0::util::NodeMask::isOn
bool isOn(Index32 n) const
Return true if the nth bit is on.
Definition: NodeMasks.h:499
openvdb::v3_2_0::tree::LeafNode::DenseIter::BaseT
DenseIteratorBase< MaskDenseIterator, DenseIter, NodeT, void, ValueT > BaseT
Definition: LeafNode.h:557
openvdb::v3_2_0::io::setStreamMetadataPtr
OPENVDB_API void setStreamMetadataPtr(std::ios_base &, boost::shared_ptr< StreamMetadata > &, bool transfer=true)
Associate the given stream with (a shared pointer to) an object that stores metadata (file format...
openvdb::v3_2_0::tree::LeafNode::isValueMaskOn
bool isValueMaskOn(Index n) const
Definition: LeafNode.h:1105
openvdb::v3_2_0::tree::LeafNode::getLevel
static Index getLevel()
Return the level of this node, which by definition is zero for LeafNodes.
Definition: LeafNode.h:429
openvdb::v3_2_0::tree::LeafNode::ChildOffCIter
ChildIter< MaskOffIterator, const LeafNode, ChildOff > ChildOffCIter
Definition: LeafNode.h:590
openvdb::v3_2_0::math::isExactlyEqual
bool isExactlyEqual(const T0 &a, const T1 &b)
Return true if a is exactly equal to b.
Definition: Math.h:407
openvdb::v3_2_0::tree::LeafNode::hasSameTopology
bool hasSameTopology(const LeafNode< OtherType, OtherLog2Dim > *other) const
Return true if the given node (which may have a different ValueType than this node) has the same acti...
Definition: LeafNode.h:1745
openvdb::v3_2_0::math::Coord::setX
Coord & setX(Int32 x)
Definition: Coord.h:101
openvdb::v3_2_0::tree::LeafNode::memUsage
Index64 memUsage() const
Return the memory in bytes occupied by this node.
Definition: LeafNode.h:1717
openvdb::v3_2_0::tree::LeafNode::Buffer::operator[]
const ValueType & operator[](Index i) const
Return a const reference to the i&#39;th element of this buffer.
Definition: LeafNode.h:184
openvdb::v3_2_0::tree::LeafNode::addTile
void addTile(Index level, const Coord &, const ValueType &, bool)
Definition: LeafNode.h:1792
openvdb::v3_2_0::tree::LeafNode::nonLeafCount
static Index32 nonLeafCount()
Return the non-leaf count for this node, which is zero.
Definition: LeafNode.h:437
openvdb::v3_2_0::tree::LeafNode::setValueMask
void setValueMask(Index n, bool on)
Definition: LeafNode.h:1117
openvdb::v3_2_0::tree::LeafNode::cendChildOn
ChildOnCIter cendChildOn() const
Definition: LeafNode.h:626
openvdb::v3_2_0::tools::copyToDense
void copyToDense(const GridOrTreeT &sparse, DenseT &dense, bool serial=false)
Populate a dense grid with the values of voxels from a sparse grid, where the sparse grid intersects ...
Definition: Dense.h:443
TestLeafIO
Definition: LeafNode.h:50
openvdb::v3_2_0::tree::LeafNode::writeTopology
void writeTopology(std::ostream &os, bool toHalf=false) const
Write out just the topology.
Definition: LeafNode.h:1544
openvdb::v3_2_0::TopologyCopy
Definition: Types.h:442
openvdb::v3_2_0::tree::LeafNode::endValueOn
ValueOnCIter endValueOn() const
Definition: LeafNode.h:605
openvdb::v3_2_0::math::CoordBBox::reset
void reset()
Definition: Coord.h:338
openvdb::v3_2_0::tree::LeafNode::FileInfo::FileInfo
FileInfo()
Definition: LeafNode.h:100
openvdb::v3_2_0::tree::LeafNode::setValueOffAndCache
void setValueOffAndCache(const Coord &xyz, const ValueType &value, AccessorT &)
Change the value of the voxel at the given coordinates and mark it as inactive.
Definition: LeafNode.h:867
openvdb::v3_2_0::tree::LeafNode::DenseIter::getItem
bool getItem(Index pos, void *&child, NonConstValueT &value) const
Definition: LeafNode.h:563
openvdb::v3_2_0::tree::LeafNode::probeNode
NodeT * probeNode(const Coord &)
This function exists only to enable template instantiation.
Definition: LeafNode.h:1006
openvdb::v3_2_0::util::NodeMask::beginOn
OnIterator beginOn() const
Definition: NodeMasks.h:349
openvdb::v3_2_0::util::NodeMask::load
void load(std::istream &is)
Definition: NodeMasks.h:566
openvdb::v3_2_0::tree::LeafNode::voxelizeActiveTiles
void voxelizeActiveTiles(bool=true)
No-op.
Definition: LeafNode.h:922
openvdb::v3_2_0::tree::LeafNode::DenseIter::NonConstValueT
BaseT::NonConstValueType NonConstValueT
Definition: LeafNode.h:558
openvdb::v3_2_0::tree::LeafNode::setValueOn
void setValueOn(const Coord &xyz)
Mark the voxel at the given coordinates as active but don&#39;t change its value.
Definition: LeafNode.h:714
openvdb::v3_2_0::tree::LeafNode::beginValueOff
ValueOffIter beginValueOff()
Definition: LeafNode.h:599
openvdb::v3_2_0::tree::LeafNode::SameConfiguration
SameConfiguration<OtherNodeType>::value is true if and only if OtherNodeType is the type of a LeafNod...
Definition: LeafNode.h:93
openvdb::v3_2_0::tree::LeafNode::endChildAll
ChildAllCIter endChildAll() const
Definition: LeafNode.h:633
openvdb::v3_2_0::tree::LeafNode::ValueIter::ValueIter
ValueIter(const MaskIterT &iter, NodeT *parent)
Definition: LeafNode.h:519
openvdb::v3_2_0::tree::LeafNode::visit
void visit(VisitorOp &)
Definition: LeafNode.h:2068
openvdb::v3_2_0::tree::LeafNode::FileInfo::mapping
io::MappedFile::Ptr mapping
Definition: LeafNode.h:103
openvdb::v3_2_0::tree::LeafNode::offsetToLocalCoord
static Coord offsetToLocalCoord(Index n)
Return the local coordinates for a linear table offset, where offset 0 has coordinates (0...
Definition: LeafNode.h:1286
openvdb::v3_2_0::io::getStreamMetadataPtr
OPENVDB_API boost::shared_ptr< StreamMetadata > getStreamMetadataPtr(std::ios_base &)
Return a shared pointer to an object that stores metadata (file format, compression scheme...
openvdb::v3_2_0::tree::LeafNode::operator!=
bool operator!=(const LeafNode &other) const
Definition: LeafNode.h:498
openvdb::v3_2_0::tree::LeafNode::buffer
Buffer & buffer()
Definition: LeafNode.h:643
openvdb::v3_2_0::tree::LeafNode::setValue
void setValue(const Coord &xyz, const ValueType &val)
Set the value of the voxel at the given coordinates and mark the voxel as active. ...
Definition: LeafNode.h:722
openvdb::v3_2_0::tree::LeafNode::stealNode
NodeT * stealNode(const Coord &, const ValueType &, bool)
This function exists only to enable template instantiation.
Definition: LeafNode.h:1004
openvdb::v3_2_0::tree::LeafNode::setValueMask
void setValueMask(const NodeMaskType &mask)
Definition: LeafNode.h:1112
openvdb::v3_2_0::tree::LeafNode::Buffer::data
ValueType * data()
Return a pointer to the array of voxel values.
Definition: LeafNode.h:285
openvdb::v3_2_0::math::Coord::ValueType
Int32 ValueType
Definition: Coord.h:55
openvdb::v3_2_0::CombineArgs::setARef
CombineArgs & setARef(const AValueType &a)
Redirect the A value to a new external source.
Definition: Types.h:365
openvdb::v3_2_0::tree::LeafNode::topologyDifference
void topologyDifference(const LeafNode< OtherType, Log2Dim > &other, const ValueType &)
Difference this node&#39;s set of active values with the active values of the other node, whose ValueType may be different. So a resulting voxel will be active only if the original voxel is active in this LeafNode and inactive in the other LeafNode.
Definition: LeafNode.h:1914
openvdb::v3_2_0::tree::LeafNode::getLastValue
const ValueType & getLastValue() const
Return a const reference to the last value in the buffer.
Definition: LeafNode.h:912
openvdb::v3_2_0::tree::LeafNode::isEmpty
bool isEmpty() const
Return true if this node has no active voxels.
Definition: LeafNode.h:448
openvdb::v3_2_0::tree::LeafNode::ValueConverter::Type
LeafNode< OtherValueType, Log2Dim > Type
Definition: LeafNode.h:87
openvdb::v3_2_0::tree::LeafNode::copyToDense
void copyToDense(const CoordBBox &bbox, DenseT &dense) const
Copy into a dense grid the values of the voxels that lie within a given bounding box.
Definition: LeafNode.h:1468
openvdb::v3_2_0::tree::LeafNode::cendValueOff
ValueOffCIter cendValueOff() const
Definition: LeafNode.h:607
openvdb::v3_2_0::tree::LeafNode::ValueIter::ValueIter
ValueIter()
Definition: LeafNode.h:518
openvdb::v3_2_0::tree::LeafNode::Buffer::allocate
bool allocate()
Allocate memory for this buffer if it has not already been allocated.
Definition: LeafNode.h:168
openvdb::v3_2_0::tree::LeafNode::setValueOn
void setValueOn(const Coord &xyz, const ValueType &val)
Set the value of the voxel at the given coordinates and mark the voxel as active. ...
Definition: LeafNode.h:718
openvdb::v3_2_0::tree::LeafNode::dim
static Index dim()
Return the number of voxels in each coordinate dimension.
Definition: LeafNode.h:423
openvdb::v3_2_0::tree::LeafNode::modifyValue
void modifyValue(Index offset, const ModifyOp &op)
Apply a functor to the value of the voxel at the given offset and mark the voxel as active...
Definition: LeafNode.h:732
openvdb::v3_2_0::math::Coord
Signed (x, y, z) 32-bit integer coordinates.
Definition: Coord.h:47
openvdb::v3_2_0::tree::LeafNode::readBuffers
void readBuffers(std::istream &is, bool fromHalf=false)
Read buffers from a stream.
Definition: LeafNode.h:1598
openvdb::v3_2_0::tree::SameLeafConfig
Definition: PointIndexGrid.h:69
openvdb::v3_2_0::tree::LeafNode::ChildAllCIter
DenseIter< const LeafNode, const ValueType, ChildAll > ChildAllCIter
Definition: LeafNode.h:592
openvdb::v3_2_0::tree::LeafNode::isDense
bool isDense() const
Return true if this node contains only active voxels.
Definition: LeafNode.h:450
openvdb::v3_2_0::tree::LeafNode::ValueAllIter
ValueIter< MaskDenseIterator, LeafNode, const ValueType, ValueAll > ValueAllIter
Definition: LeafNode.h:585
openvdb::v3_2_0::tree::LeafNode::DenseIter
Definition: LeafNode.h:554
openvdb::v3_2_0::tree::LeafNode::ValueConverter
ValueConverter<T>::Type is the type of a LeafNode having the same dimensions as this node but a diffe...
Definition: LeafNode.h:86
openvdb::v3_2_0::tree::LeafNode::ValueOn
Definition: LeafNode.h:506
openvdb::v3_2_0::tree::LeafNode::beginValueOn
ValueOnIter beginValueOn()
Definition: LeafNode.h:596
openvdb::v3_2_0::tree::LeafNode::ValueOnCIter
ValueIter< MaskOnIterator, const LeafNode, const ValueType, ValueOn > ValueOnCIter
Definition: LeafNode.h:582
openvdb::v3_2_0::tree::LeafNode::setActiveState
void setActiveState(Index offset, bool on)
Set the active state of the voxel at the given offset but don&#39;t change its value. ...
Definition: LeafNode.h:696
openvdb::v3_2_0::tree::LeafNode::allocate
bool allocate()
Allocate memory for this node&#39;s buffer if it has not already been allocated.
Definition: LeafNode.h:456
openvdb::v3_2_0::math::Coord::x
Int32 x() const
Definition: Coord.h:146
openvdb::v3_2_0::tree::LeafNode::Buffer::mFileInfo
FileInfo * mFileInfo
Definition: LeafNode.h:362
openvdb::v3_2_0::io::getGridBackgroundValuePtr
OPENVDB_API const void * getGridBackgroundValuePtr(std::ios_base &)
Return a pointer to the background value of the grid currently being read from or written to the give...
openvdb::v3_2_0::tree::LeafNode::endValueOn
ValueOnIter endValueOn()
Definition: LeafNode.h:606
openvdb::v3_2_0::tree::LeafNode::Buffer
Array of fixed size that stores the voxel values of a LeafNode.
Definition: LeafNode.h:110
openvdb::v3_2_0::tree::LeafNode::probeNodeAndCache
NodeT * probeNodeAndCache(const Coord &, AccessorT &)
Return a pointer to this node.
Definition: LeafNode.h:1024
openvdb::v3_2_0::tree::LeafNode::Buffer::setValue
void setValue(Index i, const ValueType &val)
Set the i&#39;th value of this buffer to the specified value.
Definition: LeafNode.h:186
openvdb::v3_2_0::tree::LeafNode::str
std::string str() const
Return a string representation of this node.
Definition: LeafNode.h:1263
openvdb::v3_2_0::tree::LeafNode::getOrigin
void getOrigin(Int32 &x, Int32 &y, Int32 &z) const
Return the grid index coordinates of this node&#39;s local origin.
Definition: LeafNode.h:477
openvdb::v3_2_0::tree::LeafNode::ValueIter::BaseT
SparseIteratorBase< MaskIterT, ValueIter, NodeT, ValueT > BaseT
Definition: LeafNode.h:516
openvdb::v3_2_0::tools::copyFromDense
void copyFromDense(const DenseT &dense, GridOrTreeT &sparse, const typename GridOrTreeT::ValueType &tolerance, bool serial=false)
Populate a sparse grid with the values of all of the voxels of a dense grid.
Definition: Dense.h:590
openvdb::v3_2_0::tree::LeafNode::isChildMaskOff
bool isChildMaskOff() const
Definition: LeafNode.h:1115
openvdb::v3_2_0::util::BaseMaskIterator::pos
Index32 pos() const
Definition: NodeMasks.h:193
openvdb::v3_2_0::tree::LeafNode::Buffer::mData
ValueType * mData
Definition: LeafNode.h:361
openvdb::v3_2_0::math::CoordBBox::inf
static CoordBBox inf()
Return an "infinite" bounding box, as defined by the Coord value range.
Definition: Coord.h:330
openvdb::v3_2_0::math::Coord::setY
Coord & setY(Int32 y)
Definition: Coord.h:102
openvdb::v3_2_0::tree::LeafNode::beginChildAll
ChildAllIter beginChildAll()
Definition: LeafNode.h:624
openvdb::v3_2_0::tree::LeafNode::ChildOnCIter
ChildIter< MaskOnIterator, const LeafNode, ChildOn > ChildOnCIter
Definition: LeafNode.h:588
openvdb::v3_2_0::tree::LeafNode::setValuesOn
void setValuesOn()
Mark all voxels as active but don&#39;t change their values.
Definition: LeafNode.h:760
openvdb::v3_2_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:370
openvdb::v3_2_0::tree::LeafNode::resetBackground
void resetBackground(const ValueType &oldBackground, const ValueType &newBackground)
Replace inactive occurrences of oldBackground with newBackground, and inactive occurrences of -oldBac...
Definition: LeafNode.h:1821
openvdb::v3_2_0::io::getHalfFloat
OPENVDB_API bool getHalfFloat(std::ios_base &)
Return true if floating-point values should be quantized to 16 bits when writing to the given stream ...
openvdb::v3_2_0::Index
Index32 Index
Definition: Types.h:58
openvdb::v3_2_0::util::NodeMask::isConstant
bool isConstant(bool &isOn) const
Definition: NodeMasks.h:523
openvdb::v3_2_0::tree::LeafNode::getFirstValue
const ValueType & getFirstValue() const
Return a const reference to the first value in the buffer.
Definition: LeafNode.h:910
LeafNodeMask.h
openvdb::v3_2_0::tree::LeafNode::FileInfo
Definition: LeafNode.h:98
openvdb::v3_2_0::tree::LeafNode::offTileCount
static Index64 offTileCount()
Definition: LeafNode.h:446
openvdb::v3_2_0::tree::LeafNode::ValueOffIter
ValueIter< MaskOffIterator, LeafNode, const ValueType, ValueOff > ValueOffIter
Definition: LeafNode.h:583
openvdb::v3_2_0::Int32
int32_t Int32
Definition: Types.h:60
openvdb::v3_2_0::tree::LeafNode::probeConstNode
const NodeT * probeConstNode(const Coord &) const
This function exists only to enable template instantiation.
Definition: LeafNode.h:1008
openvdb::v3_2_0::tree::LeafNode::FileInfo::meta
boost::shared_ptr< io::StreamMetadata > meta
Definition: LeafNode.h:104
openvdb::v3_2_0::tree::LeafNode::combine2
void combine2(const LeafNode &other, const OtherType &, bool valueIsActive, CombineOp &)
Definition: LeafNode.h:1981
openvdb::v3_2_0::tree::LeafNode::ValueIter::modifyValue
void modifyValue(const ModifyOp &op) const
Definition: LeafNode.h:540
openvdb::v3_2_0::Index64
uint64_t Index64
Definition: Types.h:57
openvdb::v3_2_0::tree::LeafNode::probeLeaf
const LeafNode * probeLeaf(const Coord &) const
Return a const pointer to this node.
Definition: LeafNode.h:1042
openvdb::v3_2_0::tree::LeafNode::Buffer::empty
bool empty() const
Return true if memory for this buffer has not yet been allocated.
Definition: LeafNode.h:165
openvdb::v3_2_0::tree::LeafNode::getValue
const ValueType & getValue(const Coord &xyz, bool &state, int &level, AccessorT &) const
Return the value of the voxel at the given coordinates and return its active state and level (i...
Definition: LeafNode.h:894
openvdb::v3_2_0::tree::LeafNode::Buffer::fill
void fill(const ValueType &val)
Populate this buffer with a constant value.
Definition: LeafNode.h:171
openvdb::v3_2_0::tree::LeafNode::ValueIter::getItem
ValueT & getItem(Index pos) const
Definition: LeafNode.h:521
OPENVDB_VERSION_NAME
#define OPENVDB_VERSION_NAME
Definition: version.h:43
openvdb::v3_2_0::io::getMappedFilePtr
OPENVDB_API boost::shared_ptr< MappedFile > getMappedFilePtr(std::ios_base &)
Return a shared pointer to the memory-mapped file with which the given stream is associated, or a null pointer if the stream is not associated with a memory-mapped file.
openvdb::v3_2_0::tools::clip
OPENVDB_STATIC_SPECIALIZATION GridType::Ptr clip(const GridType &grid, const BBoxd &)
Clip the given grid against a world-space bounding box and return a new grid containing the result...
Definition: Clip.h:356
openvdb::v3_2_0::tree::LeafNode::Buffer::Buffer
Buffer()
Default constructor.
Definition: LeafNode.h:131
openvdb::v3_2_0::io::readCompressedValues
void readCompressedValues(std::istream &is, ValueT *destBuf, Index destCount, const MaskT &valueMask, bool fromHalf)
Definition: Compression.h:329
openvdb::v3_2_0::tree::LeafNode::origin
const Coord & origin() const
Return the grid index coordinates of this node&#39;s local origin.
Definition: LeafNode.h:475
openvdb::v3_2_0::tree::LeafNode::clip
void clip(const CoordBBox &, const ValueType &background)
Set all voxels that lie outside the given axis-aligned box to the background.
Definition: LeafNode.h:1387
openvdb::v3_2_0::math::Coord::setZ
Coord & setZ(Int32 z)
Definition: Coord.h:103
openvdb::v3_2_0::tree::LeafNode::ChildOn
Definition: LeafNode.h:507
openvdb::v3_2_0::tree::LeafNode::Buffer::isOutOfCore
bool isOutOfCore() const
Return true if this buffer&#39;s values have not yet been read from disk.
Definition: LeafNode.h:163
openvdb::v3_2_0::math::CoordBBox::expand
void expand(ValueType padding)
Pad this bounding box with the specified padding.
Definition: Coord.h:401
openvdb::v3_2_0::tree::LeafNode::getNodeLog2Dims
static void getNodeLog2Dims(std::vector< Index > &dims)
Append the Log2Dim of this LeafNode to the specified vector.
Definition: LeafNode.h:431
openvdb::v3_2_0::OPENVDB_FILE_VERSION_NODE_MASK_COMPRESSION
Definition: version.h:110
openvdb::v3_2_0::tree::LeafNode::swap
void swap(Buffer &other)
Exchange this node&#39;s data buffer with the given data buffer without changing the active states of the...
Definition: LeafNode.h:641
openvdb::v3_2_0::tree::LeafNode::operator==
bool operator==(const LeafNode &other) const
Check for buffer, state and origin equivalence.
Definition: LeafNode.h:1707
openvdb::v3_2_0::tree::LeafNode::ValueOnIter
ValueIter< MaskOnIterator, LeafNode, const ValueType, ValueOn > ValueOnIter
Definition: LeafNode.h:581
openvdb::v3_2_0::tree::LeafNode::isValueOn
bool isValueOn(Index offset) const
Return true if the voxel at the given offset is active.
Definition: LeafNode.h:767
openvdb::v3_2_0::tree::LeafNode::isChildMaskOff
bool isChildMaskOff(Index) const
Definition: LeafNode.h:1114
openvdb::v3_2_0::tree::LeafNode
Templated block class to hold specific data types and a fixed number of values determined by Log2Dim...
Definition: LeafNode.h:65
openvdb::v3_2_0::tree::LeafNode::visit2Node
void visit2Node(OtherLeafNodeType &other, VisitorOp &)
Definition: LeafNode.h:2100
openvdb::v3_2_0::tree::LeafNode::MaskOnIterator
NodeMaskType::OnIterator MaskOnIterator
Definition: LeafNode.h:501
openvdb::v3_2_0::tree::LeafNode::getOrigin
void getOrigin(Coord &origin) const
Return the grid index coordinates of this node&#39;s local origin.
Definition: LeafNode.h:476
openvdb::v3_2_0::tree::LeafNode::endChildOn
ChildOnIter endChildOn()
Definition: LeafNode.h:628
openvdb::v3_2_0::tree::LeafNode::getValueLevelAndCache
static Index getValueLevelAndCache(const Coord &, AccessorT &)
Return the LEVEL (=0) at which leaf node values reside.
Definition: LeafNode.h:905
openvdb::v3_2_0::tree::LeafNode::Buffer::getValue
const ValueType & getValue(Index i) const
Return a const reference to the i&#39;th element of this buffer.
Definition: LeafNode.h:182
openvdb::v3_2_0::tree::LeafNode::isValueMaskOff
bool isValueMaskOff() const
Definition: LeafNode.h:1108
openvdb::v3_2_0::tree::LeafNode::modifyValue
void modifyValue(const Coord &xyz, const ModifyOp &op)
Apply a functor to the value of the voxel at the given coordinates and mark the voxel as active...
Definition: LeafNode.h:742
openvdb::v3_2_0::tree::LeafNode::setActiveState
void setActiveState(const Coord &xyz, bool on)
Set the active state of the voxel at the given coordinates but don&#39;t change its value.
Definition: LeafNode.h:1361
openvdb::v3_2_0::tree::LeafNode::beginChildAll
ChildAllCIter beginChildAll() const
Definition: LeafNode.h:623
openvdb::v3_2_0::io::getFormatVersion
OPENVDB_API uint32_t getFormatVersion(std::ios_base &)
Return the file format version number associated with the given input stream.
openvdb::v3_2_0::tree::LeafNode::ValueAllCIter
ValueIter< MaskDenseIterator, const LeafNode, const ValueType, ValueAll > ValueAllCIter
Definition: LeafNode.h:586
openvdb::v3_2_0::tree::LeafNode::modifyValueAndActiveStateAndCache
void modifyValueAndActiveStateAndCache(const Coord &xyz, const ModifyOp &op, AccessorT &)
Definition: LeafNode.h:859
openvdb::v3_2_0::tree::LeafNode::getValueAndCache
const ValueType & getValueAndCache(const Coord &xyz, AccessorT &) const
Return the value of the voxel at the given coordinates.
Definition: LeafNode.h:820
openvdb::v3_2_0::util::NodeMask
Bit mask for the internal and leaf nodes of VDB. This is a 64-bit implementation. ...
Definition: NodeMasks.h:304
openvdb::v3_2_0::tree::LeafNode::addTileAndCache
void addTileAndCache(Index, const Coord &, const ValueType &, bool, AccessorT &)
Definition: LeafNode.h:1809
openvdb::v3_2_0::math::CoordBBox::translate
void translate(const Coord &t)
Translate this bounding box by .
Definition: Coord.h:440
openvdb::v3_2_0::tree::LeafNode::~LeafNode
~LeafNode()
Destructor.
Definition: LeafNode.h:1256
openvdb::v3_2_0::io::writeCompressedValues
void writeCompressedValues(std::ostream &os, ValueT *srcBuf, Index srcCount, const MaskT &valueMask, const MaskT &childMask, bool toHalf)
Definition: Compression.h:431
openvdb::v3_2_0::tree::LeafNode::leafCount
static Index32 leafCount()
Return the leaf count for this node, which is one.
Definition: LeafNode.h:435
openvdb::v3_2_0::tree::LeafNode::readTopology
void readTopology(std::istream &is, bool fromHalf=false)
Read in just the topology.
Definition: LeafNode.h:1536
openvdb::v3_2_0::tree::LeafNode::Buffer::data
const ValueType * data() const
Return a const pointer to the array of voxel values.
Definition: LeafNode.h:268
openvdb::v3_2_0::tree::LeafNode::beginValueOn
ValueOnCIter beginValueOn() const
Definition: LeafNode.h:595
openvdb
Definition: Exceptions.h:39
openvdb::v3_2_0::tree::LeafNode::topologyUnion
void topologyUnion(const LeafNode< OtherType, Log2Dim > &other)
Union this node&#39;s set of active values with the active values of the other node, whose ValueType may ...
Definition: LeafNode.h:1897
openvdb::v3_2_0::tree::LeafNode::DenseIter::DenseIter
DenseIter(const MaskDenseIterator &iter, NodeT *parent)
Definition: LeafNode.h:561
openvdb::v3_2_0::tree::LeafNode::addLeafAndCache
void addLeafAndCache(LeafNode *, AccessorT &)
This function exists only to enable template instantiation.
Definition: LeafNode.h:1002
openvdb::v3_2_0::tree::LeafNode::endChildOff
ChildOffIter endChildOff()
Definition: LeafNode.h:631
openvdb::v3_2_0::Index32
uint32_t Index32
Definition: Types.h:56
LeafNodeBool.h
OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
#define OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
Definition: Platform.h:129
openvdb::v3_2_0::tree::LeafNode::setActiveStateAndCache
void setActiveStateAndCache(const Coord &xyz, bool on, AccessorT &)
Set the active state of the voxel at the given coordinates without changing its value.
Definition: LeafNode.h:876
openvdb::v3_2_0::tree::LeafNode::onVoxelCount
Index64 onVoxelCount() const
Return the number of voxels marked On.
Definition: LeafNode.h:440
openvdb::v3_2_0::tree::LeafNode::NodeMaskType
util::NodeMask< Log2Dim > NodeMaskType
Definition: LeafNode.h:72
openvdb::v3_2_0::tree::LeafNode::FileInfo::bufpos
std::streamoff bufpos
Definition: LeafNode.h:101
openvdb::v3_2_0::tree::LeafNode::cendValueOn
ValueOnCIter cendValueOn() const
Definition: LeafNode.h:604
openvdb::v3_2_0::tree::LeafNode::Buffer::swap
void swap(Buffer &other)
Exchange this buffer&#39;s values with the other buffer&#39;s values.
Definition: LeafNode.h:242
openvdb::v3_2_0::tree::LeafNode::ChildAll
Definition: LeafNode.h:507
openvdb::v3_2_0::tree::LeafNode::valueMask
const NodeMaskType & valueMask() const
Definition: LeafNode.h:1111
openvdb::v3_2_0::tree::LeafNode::evalNodeOrigin
static void evalNodeOrigin(Coord &xyz)
Compute the origin of the leaf node that contains the voxel with the given coordinates.
Definition: LeafNode.h:1122
openvdb::v3_2_0::tree::LeafNode::probeConstLeafAndCache
const LeafNode * probeConstLeafAndCache(const Coord &, AccessorT &) const
Return a const pointer to this node.
Definition: LeafNode.h:1039
openvdb::v3_2_0::tree::DenseIteratorBase
Base class for dense iterators over internal and leaf nodes.
Definition: Iterator.h:211
openvdb::v3_2_0::tree::LeafNode::Buffer::memUsage
Index memUsage() const
Return the memory footprint of this buffer in bytes.
Definition: LeafNode.h:251
openvdb::v3_2_0::tree::LeafNode::setValueMaskOn
void setValueMaskOn(Index n)
Definition: LeafNode.h:1118
openvdb::v3_2_0::tree::SparseIteratorBase
Base class for sparse iterators over internal and leaf nodes.
Definition: Iterator.h:148
openvdb::v3_2_0::tree::LeafNode::endChildOn
ChildOnCIter endChildOn() const
Definition: LeafNode.h:627
openvdb::v3_2_0::tree::DenseIteratorBase::NonConstValueType
boost::remove_const< UnsetItemT >::type NonConstValueType
Definition: Iterator.h:217
openvdb::v3_2_0::util::NodeMask::set
void set(Index32 n, bool On)
Set the nth bit to the specified state.
Definition: NodeMasks.h:459
openvdb::v3_2_0::tree::LeafNode::getValue
const ValueType & getValue(const Coord &xyz) const
Return the value of the voxel at the given coordinates.
Definition: LeafNode.h:1311
openvdb::v3_2_0::tree::LeafNode::doVisit2
static void doVisit2(NodeT &self, OtherChildAllIterT &, VisitorOp &, bool otherIsLHS)
Definition: LeafNode.h:2170
openvdb::v3_2_0::tree::LeafNode::cendChildOff
ChildOffCIter cendChildOff() const
Definition: LeafNode.h:629
openvdb::v3_2_0::tree::LeafNode::ChildIter::ChildIter
ChildIter()
Definition: LeafNode.h:548
openvdb::v3_2_0::math::Coord::z
Int32 z() const
Definition: Coord.h:148
openvdb::v3_2_0::tree::LeafNode::visitActiveBBox
void visitActiveBBox(BBoxOp &) const
Calls the templated functor BBoxOp with bounding box information. An additional level argument is pro...
Definition: LeafNode.h:2045
openvdb::v3_2_0::tree::LeafNode::onTileCount
static Index64 onTileCount()
Definition: LeafNode.h:445
openvdb::v3_2_0::tree::LeafNode::ChildOffIter
ChildIter< MaskOffIterator, LeafNode, ChildOff > ChildOffIter
Definition: LeafNode.h:589
openvdb::v3_2_0::util::DenseMaskIterator
Definition: NodeMasks.h:267
openvdb::v3_2_0::tree::LeafNode::modifyValueAndCache
void modifyValueAndCache(const Coord &xyz, const ModifyOp &op, AccessorT &)
Apply a functor to the value of the voxel at the given coordinates and mark the voxel as active...
Definition: LeafNode.h:851
openvdb::v3_2_0::tree::LeafNode::SIZE
static const Index SIZE
Definition: LeafNode.h:80
openvdb::v3_2_0::tree::LeafNode::Buffer::WordType
ValueType WordType
Definition: LeafNode.h:128
openvdb::v3_2_0::tree::LeafNode::MaskOffIterator
NodeMaskType::OffIterator MaskOffIterator
Definition: LeafNode.h:502
openvdb::v3_2_0::tree::LeafNode::ValueIter
Definition: LeafNode.h:510
openvdb::v3_2_0::util::NodeMask::setOn
void setOn(Index32 n)
Set the nth bit on.
Definition: NodeMasks.h:449
openvdb::v3_2_0::tree::LeafNode::getValueMask
NodeMaskType & getValueMask()
Definition: LeafNode.h:1110
openvdb::v3_2_0::tree::LeafNode::setValueMaskOff
void setValueMaskOff(Index n)
Definition: LeafNode.h:1119
openvdb::v3_2_0::tree::LeafNode::combine
void combine(const LeafNode &other, CombineOp &op)
Definition: LeafNode.h:1939
openvdb::v3_2_0::math::CoordBBox::min
const Coord & min() const
Definition: Coord.h:332
openvdb::v3_2_0::io::HalfReader
Definition: Compression.h:211
openvdb::v3_2_0::tree::LeafNode::probeConstNodeAndCache
const NodeT * probeConstNodeAndCache(const Coord &, AccessorT &) const
Return a const pointer to this node.
Definition: LeafNode.h:1044
openvdb::v3_2_0::tree::LeafNode::Buffer::Buffer
Buffer(PartialCreate, const ValueType &)
Construct a buffer but don&#39;t allocate memory for the full array of values.
Definition: LeafNode.h:151
openvdb::v3_2_0::tree::LeafNode::beginChildOff
ChildOffIter beginChildOff()
Definition: LeafNode.h:621
openvdb::v3_2_0::tree::LeafNode::beginValueAll
ValueAllCIter beginValueAll() const
Definition: LeafNode.h:601
openvdb::v3_2_0::tree::LeafNode::ValueIter::setValue
void setValue(const ValueT &value) const
Definition: LeafNode.h:530
openvdb::v3_2_0::tree::LeafNode::cendValueAll
ValueAllCIter cendValueAll() const
Definition: LeafNode.h:610
openvdb::v3_2_0::tree::LeafNode::probeValueAndCache
bool probeValueAndCache(const Coord &xyz, ValueType &val, AccessorT &) const
Return true if the voxel at the given coordinates is active and return the voxel value in val...
Definition: LeafNode.h:885
openvdb::v3_2_0::tree::LeafNode::doVisit2Node
static void doVisit2Node(NodeT &self, OtherNodeT &other, VisitorOp &)
Definition: LeafNode.h:2125
openvdb::v3_2_0::util::NodeMask::save
void save(std::ostream &os) const
Definition: NodeMasks.h:562
openvdb::v3_2_0::math::operator==
bool operator==(const Vec3< T0 > &v0, const Vec3< T1 > &v1)
Equality operator, does exact floating point comparisons.
Definition: Vec3.h:450
openvdb::v3_2_0::tree::LeafNode::LeafNode
LeafNode()
Default constructor.
Definition: LeafNode.h:1170
openvdb::v3_2_0::tree::LeafNode::endChildAll
ChildAllIter endChildAll()
Definition: LeafNode.h:634
openvdb::v3_2_0::tree::LeafNode::endChildOff
ChildOffCIter endChildOff() const
Definition: LeafNode.h:630
openvdb::v3_2_0::math::CoordBBox::hasOverlap
bool hasOverlap(const CoordBBox &b) const
Return true if the given bounding box overlaps with this bounding box.
Definition: Coord.h:395
openvdb::v3_2_0::math::CoordBBox::max
const Coord & max() const
Definition: Coord.h:333
OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
#define OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
Definition: Platform.h:130
openvdb::v3_2_0::tree::LeafNode::setValueOff
void setValueOff(Index offset)
Mark the voxel at the given offset as inactive but don&#39;t change its value.
Definition: LeafNode.h:706
openvdb::v3_2_0::CombineArgs::setBRef
CombineArgs & setBRef(const BValueType &b)
Redirect the B value to a new external source.
Definition: Types.h:367
openvdb::v3_2_0::tree::LeafNode::getValueMask
const NodeMaskType & getValueMask() const
Definition: LeafNode.h:1109
openvdb::v3_2_0::tree::LeafNode::getChildDim
static Index getChildDim()
Return the dimension of child nodes of this LeafNode, which is one for voxels.
Definition: LeafNode.h:433
openvdb::v3_2_0::tree::LeafNode::getNodes
void getNodes(ArrayT &) const
This function exists only to enable template instantiation.
Definition: LeafNode.h:1009
openvdb::v3_2_0::math::CoordBBox
Axis-aligned bounding box of signed integer coordinates.
Definition: Coord.h:259
openvdb::v3_2_0::tree::LeafNode::cbeginValueOn
ValueOnCIter cbeginValueOn() const
Definition: LeafNode.h:594
openvdb::v3_2_0::tree::LeafNode::setValueOnly
void setValueOnly(const Coord &xyz, const ValueType &val)
Set the value of the voxel at the given coordinates but don&#39;t change its active state.
Definition: LeafNode.h:1369
openvdb::v3_2_0::tree::LeafNode::size
static Index size()
Return the total number of voxels represented by this LeafNode.
Definition: LeafNode.h:425
openvdb::v3_2_0::tree::LeafNode::offLeafVoxelCount
Index64 offLeafVoxelCount() const
Definition: LeafNode.h:444
openvdb::v3_2_0::tree::LeafNode::LOG2DIM
static const Index LOG2DIM
Definition: LeafNode.h:75
openvdb::v3_2_0::MERGE_ACTIVE_STATES_AND_NODES
Definition: Types.h:267
openvdb::v3_2_0::tree::LeafNode::Buffer::operator!=
bool operator!=(const Buffer &other) const
Return true if the contents of the other buffer are not exactly equal to the contents of this buffer...
Definition: LeafNode.h:239
openvdb::v3_2_0::tree::LeafNode::isInactive
bool isInactive() const
Return true if all of this node&#39;s values are inactive.
Definition: LeafNode.h:1080
openvdb::v3_2_0::tree::LeafNode::ChildIter
Leaf nodes have no children, so their child iterators have no get/set accessors.
Definition: LeafNode.h:545
openvdb::v3_2_0::util::NodeMask::setOff
void setOff(Index32 n)
Set the nth bit off.
Definition: NodeMasks.h:454
openvdb::v3_2_0::tree::LeafNode::ValueAll
Definition: LeafNode.h:506
openvdb::v3_2_0::tree::LeafNode::writeBuffers
void writeBuffers(std::ostream &os, bool toHalf=false) const
Write buffers to a stream.
Definition: LeafNode.h:1690
openvdb::v3_2_0::tree::LeafNode::Buffer::Buffer
Buffer(const ValueType &val)
Construct a buffer populated with the specified value.
Definition: LeafNode.h:133
openvdb::v3_2_0::tree::LeafNode::MaskDenseIterator
NodeMaskType::DenseIterator MaskDenseIterator
Definition: LeafNode.h:503
openvdb::v3_2_0::math::Coord::y
Int32 y() const
Definition: Coord.h:147
openvdb::v3_2_0::tree::LeafNode::ChildOff
Definition: LeafNode.h:507
openvdb::v3_2_0::tree::LeafNode::cbeginValueOff
ValueOffCIter cbeginValueOff() const
Definition: LeafNode.h:597
openvdb::v3_2_0::tree::LeafNode::ChildAllIter
DenseIter< LeafNode, ValueType, ChildAll > ChildAllIter
Definition: LeafNode.h:591
Iterator.h
openvdb::v3_2_0::tree::LeafNode::beginValueOff
ValueOffCIter beginValueOff() const
Definition: LeafNode.h:598
openvdb::v3_2_0::tree::LeafNode::onLeafVoxelCount
Index64 onLeafVoxelCount() const
Definition: LeafNode.h:443
openvdb::v3_2_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:374
openvdb::v3_2_0::tree::LeafNode::addLeaf
void addLeaf(LeafNode *)
This function exists only to enable template instantiation.
Definition: LeafNode.h:1000
openvdb::v3_2_0::tree::LeafNode::cbeginValueAll
ValueAllCIter cbeginValueAll() const
Definition: LeafNode.h:600
openvdb::v3_2_0::tree::LeafNode::endValueAll
ValueAllIter endValueAll()
Definition: LeafNode.h:612
openvdb::v3_2_0::math::CoordBBox::intersect
void intersect(const CoordBBox &bbox)
Intersect this bounding box with the given bounding box.
Definition: Coord.h:427
openvdb::v3_2_0::tree::LeafNode::copyFromDense
void copyFromDense(const CoordBBox &bbox, const DenseT &dense, const ValueType &background, const ValueType &tolerance)
Copy from a dense grid into this node the values of the voxels that lie within a given bounding box...
Definition: LeafNode.h:1497
openvdb::v3_2_0::tree::LeafNode::cendChildAll
ChildAllCIter cendChildAll() const
Definition: LeafNode.h:632
openvdb::v3_2_0::tree::LeafNode::DenseIter::unsetItem
void unsetItem(Index pos, const ValueT &value) const
Definition: LeafNode.h:574
openvdb::v3_2_0::tree::LeafNode::getValueLevel
static Index getValueLevel(const Coord &)
Return the level (i.e., 0) at which leaf node values reside.
Definition: LeafNode.h:691
openvdb::v3_2_0::tree::LeafNode::beginChildOff
ChildOffCIter beginChildOff() const
Definition: LeafNode.h:620
openvdb::v3_2_0::tree::LeafNode::ValueIter::setItem
void setItem(Index pos, const ValueT &value) const
Definition: LeafNode.h:525
openvdb::v3_2_0::tree::LeafNode::DenseIter::DenseIter
DenseIter()
Definition: LeafNode.h:560
openvdb::v3_2_0::tree::LeafNode::numValues
static Index numValues()
Return the total number of voxels represented by this LeafNode.
Definition: LeafNode.h:427
openvdb::v3_2_0::tree::LeafNode::endValueAll
ValueAllCIter endValueAll() const
Definition: LeafNode.h:611
openvdb::v3_2_0::tree::LeafNode::isValueOn
bool isValueOn(const Coord &xyz) const
Return true if the voxel at the given coordinates is active.
Definition: LeafNode.h:765
openvdb::v3_2_0::util::OnMaskIterator
Definition: NodeMasks.h:205
openvdb::v3_2_0::util::OffMaskIterator
Definition: NodeMasks.h:236
openvdb::v3_2_0::math::negative
T negative(const T &val)
Return the unary negation of the given value.
Definition: Math.h:116
openvdb::v3_2_0::tree::LeafNode::ValueIter::getValue
ValueT & getValue() const
Definition: LeafNode.h:522
NodeMasks.h
openvdb::v3_2_0::tree::LeafNode::beginValueAll
ValueAllIter beginValueAll()
Definition: LeafNode.h:602
openvdb::v3_2_0::tree::LeafNode::setValueAndCache
void setValueAndCache(const Coord &xyz, const ValueType &val, AccessorT &)
Change the value of the voxel at the given coordinates and mark it as active.
Definition: LeafNode.h:833
openvdb::v3_2_0::tree::LeafNode::hasActiveTiles
static bool hasActiveTiles()
Return false since leaf nodes never contain tiles.
Definition: LeafNode.h:770
openvdb::v3_2_0::tree::LeafNode::isAllocated
bool isAllocated() const
Return true if memory for this node&#39;s buffer has been allocated.
Definition: LeafNode.h:454
openvdb::v3_2_0::math::CoordBBox::isInside
bool isInside(const Coord &xyz) const
Return true if point (x, y, z) is inside this bounding box.
Definition: Coord.h:383
openvdb::v3_2_0::PartialCreate
Definition: Types.h:444
openvdb::v3_2_0::tree::LeafNode::ChildOnIter
ChildIter< MaskOnIterator, LeafNode, ChildOn > ChildOnIter
Definition: LeafNode.h:587
openvdb::v3_2_0::tree::LeafNode::doVisit
static void doVisit(NodeT &, VisitorOp &)
Definition: LeafNode.h:2086
OPENVDB_USE_VERSION_NAMESPACE
#define OPENVDB_USE_VERSION_NAMESPACE
Definition: version.h:71
openvdb::v3_2_0::io::COMPRESS_ZIP
Definition: Compression.h:79
openvdb::v3_2_0::tree::LeafNode::probeLeafAndCache
LeafNode * probeLeafAndCache(const Coord &, AccessorT &)
Return a pointer to this node.
Definition: LeafNode.h:1033
openvdb::v3_2_0::tree::LeafNode::ValueOffCIter
ValueIter< MaskOffIterator, const LeafNode, const ValueType, ValueOff > ValueOffCIter
Definition: LeafNode.h:584
openvdb::v3_2_0::tree::LeafNode::topologyIntersection
void topologyIntersection(const LeafNode< OtherType, Log2Dim > &other, const ValueType &)
Intersect this node&#39;s set of active values with the active values of the other node, whose ValueType may be different. So a resulting voxel will be active only if both of the original voxels were active.
Definition: LeafNode.h:1905
openvdb::v3_2_0::tree::LeafNode::endValueOff
ValueOffIter endValueOff()
Definition: LeafNode.h:609
openvdb::v3_2_0::tree::LeafNode::log2dim
static Index log2dim()
Return log2 of the dimension of this LeafNode, e.g. 3 if dimensions are 8^3.
Definition: LeafNode.h:421
openvdb::v3_2_0::tree::LeafNode::ValueIter::modifyItem
void modifyItem(Index n, const ModifyOp &op) const
Definition: LeafNode.h:537
openvdb::v3_2_0::tree::LeafNode::Ptr
boost::shared_ptr< LeafNode > Ptr
Definition: LeafNode.h:71
openvdb::v3_2_0::tree::LeafNode::isConstant
bool isConstant(ValueType &firstValue, bool &state, const ValueType &tolerance=zeroVal< ValueType >()) const
Definition: LeafNode.h:1753
openvdb::v3_2_0::tree::LeafNode::buffer
const Buffer & buffer() const
Definition: LeafNode.h:642
openvdb::v3_2_0::tree::LeafNode::merge
void merge(const LeafNode &)
Definition: LeafNode.h:1844
openvdb::v3_2_0::tree::LeafNode::modifyValueAndActiveState
void modifyValueAndActiveState(const Coord &xyz, const ModifyOp &op)
Apply a functor to the voxel at the given coordinates.
Definition: LeafNode.h:749
openvdb::v3_2_0::tree::LeafNode::probeValue
bool probeValue(const Coord &xyz, ValueType &val) const
Return true if the voxel at the given coordinates is active.
Definition: LeafNode.h:1327
openvdb::v3_2_0::tree::LeafNode::probeLeaf
LeafNode * probeLeaf(const Coord &)
Return a pointer to this node.
Definition: LeafNode.h:1031
openvdb::v3_2_0::MERGE_NODES
Definition: Types.h:266
openvdb::v3_2_0::tree::LeafNode::cbeginChildOff
ChildOffCIter cbeginChildOff() const
Definition: LeafNode.h:619
openvdb::v3_2_0::tree::LeafNode::probeLeafAndCache
const LeafNode * probeLeafAndCache(const Coord &, AccessorT &) const
Return a const pointer to this node.
Definition: LeafNode.h:1041
openvdb::v3_2_0::tree::LeafNode::visit2
void visit2(IterT &otherIter, VisitorOp &, bool otherIsLHS=false)
Definition: LeafNode.h:2146
openvdb::v3_2_0::tree::LeafNode::touchLeafAndCache
LeafNode * touchLeafAndCache(const Coord &, AccessorT &)
Return a pointer to this node.
Definition: LeafNode.h:1022
openvdb::v3_2_0::tree::LeafNode::fill
void fill(const CoordBBox &bbox, const ValueType &, bool active=true)
Set all voxels within an axis-aligned box to the specified value and active state.
Definition: LeafNode.h:1427
openvdb::v3_2_0::tree::LeafNode::setValueOff
void setValueOff(const Coord &xyz)
Mark the voxel at the given coordinates as inactive but don&#39;t change its value.
Definition: LeafNode.h:704
openvdb::v3_2_0::tree::LeafNode::offVoxelCount
Index64 offVoxelCount() const
Return the number of voxels marked Off.
Definition: LeafNode.h:442
openvdb::v3_2_0::tree::LeafNode::setValueOn
void setValueOn(Index offset, const ValueType &val)
Set the value of the voxel at the given offset and mark the voxel as active.
Definition: LeafNode.h:724
openvdb::v3_2_0::tree::LeafNode::ValueType
T ValueType
Definition: LeafNode.h:69
openvdb::v3_2_0::io::getDataCompression
OPENVDB_API uint32_t getDataCompression(std::ios_base &)
Return a bitwise OR of compression option flags (COMPRESS_ZIP, COMPRESS_ACTIVE_MASK, etc.) specifying whether and how input data is compressed or output data should be compressed.
openvdb::v3_2_0::tree::LeafNode::setValueOn
void setValueOn(Index offset)
Mark the voxel at the given offset as active but don&#39;t change its value.
Definition: LeafNode.h:716
openvdb::v3_2_0::tree::LeafNode::ChildIter::ChildIter
ChildIter(const MaskIterT &iter, NodeT *parent)
Definition: LeafNode.h:549
openvdb::v3_2_0::tree::LeafNode::cbeginChildOn
ChildOnCIter cbeginChildOn() const
Definition: LeafNode.h:616
openvdb::v3_2_0::tree::LeafNode::endValueOff
ValueOffCIter endValueOff() const
Definition: LeafNode.h:608
openvdb::v3_2_0::tree::LeafNode::LeafNodeType
LeafNode< ValueType, Log2Dim > LeafNodeType
Definition: LeafNode.h:70
openvdb::v3_2_0::tree::LeafNode::setOrigin
void setOrigin(const Coord &origin)
Set the grid index coordinates of this node&#39;s local origin.
Definition: LeafNode.h:472
openvdb::v3_2_0::CombineArgs
This struct collects both input and output arguments to "grid combiner" functors used with the tree::...
Definition: Types.h:312
openvdb::v3_2_0::tree::LeafNode::Buffer::operator==
bool operator==(const Buffer &other) const
Return true if the contents of the other buffer exactly equal the contents of this buffer...
Definition: LeafNode.h:226
openvdb::v3_2_0::tree::LeafNode::beginChildOn
ChildOnCIter beginChildOn() const
Definition: LeafNode.h:617
openvdb::v3_2_0::tree::LeafNode::setValuesOff
void setValuesOff()
Mark all voxels as inactive but don&#39;t change their values.
Definition: LeafNode.h:762
openvdb::v3_2_0::tree::LeafNode::Buffer::~Buffer
~Buffer()
Destructor.
Definition: LeafNode.h:153
openvdb::v3_2_0::tree::LeafNode::Buffer::Buffer
Buffer(const Buffer &other)
Copy constructor.
Definition: LeafNode.h:138
openvdb::v3_2_0::tree::LeafNode::DIM
static const Index DIM
Definition: LeafNode.h:77
openvdb::v3_2_0::tree::LeafNode::cbeginChildAll
ChildAllCIter cbeginChildAll() const
Definition: LeafNode.h:622
openvdb::v3_2_0::tree::LeafNode::offsetToGlobalCoord
Coord offsetToGlobalCoord(Index n) const
Return the global coordinates for a linear table offset.
Definition: LeafNode.h:1300
openvdb::v3_2_0::math::CoordBBox::createCube
static CoordBBox createCube(const Coord &min, ValueType dim)
Definition: Coord.h:324
openvdb::v3_2_0::tree::IteratorBase
Base class for iterators over internal and leaf nodes.
Definition: Iterator.h:58
openvdb::v3_2_0::tree::LeafNode::Buffer::operator=
Buffer & operator=(const Buffer &other)
Copy the other buffer&#39;s values into this buffer.
Definition: LeafNode.h:198
openvdb::v3_2_0::tree::LeafNode::isChildMaskOn
bool isChildMaskOn(Index) const
Definition: LeafNode.h:1113
openvdb::v3_2_0::tools::composite::min
const boost::disable_if_c< VecTraits< T >::IsVec, T >::type & min(const T &a, const T &b)
Definition: Composite.h:128
openvdb::v3_2_0::tree::LeafNode::setValueOnlyAndCache
void setValueOnlyAndCache(const Coord &xyz, const ValueType &val, AccessorT &)
Change the value of the voxel at the given coordinates but preserve its state.
Definition: LeafNode.h:842