OpenVDB: LeafNode.h Source File

OpenVDB 7.0.0

LeafNode.h
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1 // Copyright Contributors to the OpenVDB Project
2 // SPDX-License-Identifier: MPL-2.0
3
4 #ifndef OPENVDB_TREE_LEAFNODE_HAS_BEEN_INCLUDED
5 #define OPENVDB_TREE_LEAFNODE_HAS_BEEN_INCLUDED
6
7 #include <openvdb/Types.h>
8 #include <openvdb/util/NodeMasks.h>
9 #include <openvdb/io/Compression.h> // for io::readData(), etc.
10 #include "Iterator.h"
11 #include "LeafBuffer.h"
12 #include <algorithm> // for std::nth_element()
13 #include <iostream>
14 #include <memory>
15 #include <sstream>
16 #include <string>
17 #include <type_traits>
18 #include <vector>
19
20
21 class TestLeaf;
22 template<typename> class TestLeafIO;
23
24 namespace openvdb {
25 OPENVDB_USE_VERSION_NAMESPACE
26 namespace OPENVDB_VERSION_NAME {
27 namespace tree {
28
29 template<Index, typename> struct SameLeafConfig; // forward declaration
30
31
36 template<typename T, Index Log2Dim>
37 class LeafNode
38 {
39 public:
40 using BuildType = T;
41 using ValueType = T;
42 using Buffer = LeafBuffer<ValueType, Log2Dim>;
43 using LeafNodeType = LeafNode<ValueType, Log2Dim>;
44 using NodeMaskType = util::NodeMask<Log2Dim>;
45 using Ptr = SharedPtr<LeafNode>;
46
47 static const Index
48 LOG2DIM = Log2Dim, // needed by parent nodes
49 TOTAL = Log2Dim, // needed by parent nodes
50 DIM = 1 << TOTAL, // dimension along one coordinate direction
51 NUM_VALUES = 1 << 3 * Log2Dim,
52 NUM_VOXELS = NUM_VALUES, // total number of voxels represented by this node
53 SIZE = NUM_VALUES,
54 LEVEL = 0; // level 0 = leaf
55
58 template<typename OtherValueType>
59 struct ValueConverter { using Type = LeafNode<OtherValueType, Log2Dim>; };
60
63 template<typename OtherNodeType>
64 struct SameConfiguration {
65 static const bool value = SameLeafConfig<LOG2DIM, OtherNodeType>::value;
66 };
67
68
70 LeafNode();
71
76 explicit LeafNode(const Coord& coords,
77 const ValueType& value = zeroVal<ValueType>(),
78 bool active = false);
79
85 LeafNode(PartialCreate,
86 const Coord& coords,
87 const ValueType& value = zeroVal<ValueType>(),
88 bool active = false);
89
91 LeafNode(const LeafNode&);
92
94 LeafNode& operator=(const LeafNode&) = default;
95
97 template<typename OtherValueType>
98 explicit LeafNode(const LeafNode<OtherValueType, Log2Dim>& other);
99
101 template<typename OtherValueType>
102 LeafNode(const LeafNode<OtherValueType, Log2Dim>& other,
103 const ValueType& offValue, const ValueType& onValue, TopologyCopy);
104
106 template<typename OtherValueType>
107 LeafNode(const LeafNode<OtherValueType, Log2Dim>& other,
108 const ValueType& background, TopologyCopy);
109
111 ~LeafNode();
112
113 //
114 // Statistics
115 //
117 static Index log2dim() { return Log2Dim; }
119 static Index dim() { return DIM; }
121 static Index size() { return SIZE; }
123 static Index numValues() { return SIZE; }
125 static Index getLevel() { return LEVEL; }
127 static void getNodeLog2Dims(std::vector<Index>& dims) { dims.push_back(Log2Dim); }
129 static Index getChildDim() { return 1; }
131 static Index32 leafCount() { return 1; }
133 void nodeCount(std::vector<Index32> &) const {}
135 static Index32 nonLeafCount() { return 0; }
136
138 Index64 onVoxelCount() const { return mValueMask.countOn(); }
140 Index64 offVoxelCount() const { return mValueMask.countOff(); }
141 Index64 onLeafVoxelCount() const { return onVoxelCount(); }
142 Index64 offLeafVoxelCount() const { return offVoxelCount(); }
143 static Index64 onTileCount() { return 0; }
144 static Index64 offTileCount() { return 0; }
146 bool isEmpty() const { return mValueMask.isOff(); }
148 bool isDense() const { return mValueMask.isOn(); }
150 bool isAllocated() const { return !mBuffer.isOutOfCore() && !mBuffer.empty(); }
152 bool allocate() { return mBuffer.allocate(); }
153
155 Index64 memUsage() const;
156
160 void evalActiveBoundingBox(CoordBBox& bbox, bool visitVoxels = true) const;
161
164 CoordBBox getNodeBoundingBox() const { return CoordBBox::createCube(mOrigin, DIM); }
165
167 void setOrigin(const Coord& origin) { mOrigin = origin; }
169 const Coord& origin() const { return mOrigin; }
171 void getOrigin(Coord& origin) const { origin = mOrigin; }
172 void getOrigin(Int32& x, Int32& y, Int32& z) const { mOrigin.asXYZ(x, y, z); }
174
176 static Index coordToOffset(const Coord& xyz);
179 static Coord offsetToLocalCoord(Index n);
181 Coord offsetToGlobalCoord(Index n) const;
182
184 std::string str() const;
185
188 template<typename OtherType, Index OtherLog2Dim>
189 bool hasSameTopology(const LeafNode<OtherType, OtherLog2Dim>* other) const;
190
192 bool operator==(const LeafNode& other) const;
193 bool operator!=(const LeafNode& other) const { return !(other == *this); }
194
195 protected:
196 using MaskOnIterator = typename NodeMaskType::OnIterator;
197 using MaskOffIterator = typename NodeMaskType::OffIterator;
198 using MaskDenseIterator = typename NodeMaskType::DenseIterator;
199
200 // Type tags to disambiguate template instantiations
201 struct ValueOn {}; struct ValueOff {}; struct ValueAll {};
202 struct ChildOn {}; struct ChildOff {}; struct ChildAll {};
203
204 template<typename MaskIterT, typename NodeT, typename ValueT, typename TagT>
205 struct ValueIter:
206 // Derives from SparseIteratorBase, but can also be used as a dense iterator,
207 // if MaskIterT is a dense mask iterator type.
208 public SparseIteratorBase<
209 MaskIterT, ValueIter<MaskIterT, NodeT, ValueT, TagT>, NodeT, ValueT>
210 {
211 using BaseT = SparseIteratorBase<MaskIterT, ValueIter, NodeT, ValueT>;
212
213 ValueIter() {}
214 ValueIter(const MaskIterT& iter, NodeT* parent): BaseT(iter, parent) {}
215
216 ValueT& getItem(Index pos) const { return this->parent().getValue(pos); }
217 ValueT& getValue() const { return this->parent().getValue(this->pos()); }
218
219 // Note: setItem() can't be called on const iterators.
220 void setItem(Index pos, const ValueT& value) const
221 {
222 this->parent().setValueOnly(pos, value);
223 }
224 // Note: setValue() can't be called on const iterators.
225 void setValue(const ValueT& value) const
226 {
227 this->parent().setValueOnly(this->pos(), value);
228 }
229
230 // Note: modifyItem() can't be called on const iterators.
231 template<typename ModifyOp>
232 void modifyItem(Index n, const ModifyOp& op) const { this->parent().modifyValue(n, op); }
233 // Note: modifyValue() can't be called on const iterators.
234 template<typename ModifyOp>
235 void modifyValue(const ModifyOp& op) const { this->parent().modifyValue(this->pos(), op); }
236 };
237
239 template<typename MaskIterT, typename NodeT, typename TagT>
240 struct ChildIter:
241 public SparseIteratorBase<MaskIterT, ChildIter<MaskIterT, NodeT, TagT>, NodeT, ValueType>
242 {
243 ChildIter() {}
244 ChildIter(const MaskIterT& iter, NodeT* parent): SparseIteratorBase<
245 MaskIterT, ChildIter<MaskIterT, NodeT, TagT>, NodeT, ValueType>(iter, parent) {}
246 };
247
248 template<typename NodeT, typename ValueT, typename TagT>
249 struct DenseIter: public DenseIteratorBase<
250 MaskDenseIterator, DenseIter<NodeT, ValueT, TagT>, NodeT, /*ChildT=*/void, ValueT>
251 {
252 using BaseT = DenseIteratorBase<MaskDenseIterator, DenseIter, NodeT, void, ValueT>;
253 using NonConstValueT = typename BaseT::NonConstValueType;
254
255 DenseIter() {}
256 DenseIter(const MaskDenseIterator& iter, NodeT* parent): BaseT(iter, parent) {}
257
258 bool getItem(Index pos, void*& child, NonConstValueT& value) const
259 {
260 value = this->parent().getValue(pos);
261 child = nullptr;
262 return false; // no child
263 }
264
265 // Note: setItem() can't be called on const iterators.
266 //void setItem(Index pos, void* child) const {}
267
268 // Note: unsetItem() can't be called on const iterators.
269 void unsetItem(Index pos, const ValueT& value) const
270 {
271 this->parent().setValueOnly(pos, value);
272 }
273 };
274
275 public:
276 using ValueOnIter = ValueIter<MaskOnIterator, LeafNode, const ValueType, ValueOn>;
277 using ValueOnCIter = ValueIter<MaskOnIterator, const LeafNode, const ValueType, ValueOn>;
278 using ValueOffIter = ValueIter<MaskOffIterator, LeafNode, const ValueType, ValueOff>;
279 using ValueOffCIter = ValueIter<MaskOffIterator,const LeafNode,const ValueType,ValueOff>;
280 using ValueAllIter = ValueIter<MaskDenseIterator, LeafNode, const ValueType, ValueAll>;
281 using ValueAllCIter = ValueIter<MaskDenseIterator,const LeafNode,const ValueType,ValueAll>;
282 using ChildOnIter = ChildIter<MaskOnIterator, LeafNode, ChildOn>;
283 using ChildOnCIter = ChildIter<MaskOnIterator, const LeafNode, ChildOn>;
284 using ChildOffIter = ChildIter<MaskOffIterator, LeafNode, ChildOff>;
285 using ChildOffCIter = ChildIter<MaskOffIterator, const LeafNode, ChildOff>;
286 using ChildAllIter = DenseIter<LeafNode, ValueType, ChildAll>;
287 using ChildAllCIter = DenseIter<const LeafNode, const ValueType, ChildAll>;
288
289 ValueOnCIter cbeginValueOn() const { return ValueOnCIter(mValueMask.beginOn(), this); }
290 ValueOnCIter beginValueOn() const { return ValueOnCIter(mValueMask.beginOn(), this); }
291 ValueOnIter beginValueOn() { return ValueOnIter(mValueMask.beginOn(), this); }
292 ValueOffCIter cbeginValueOff() const { return ValueOffCIter(mValueMask.beginOff(), this); }
293 ValueOffCIter beginValueOff() const { return ValueOffCIter(mValueMask.beginOff(), this); }
294 ValueOffIter beginValueOff() { return ValueOffIter(mValueMask.beginOff(), this); }
295 ValueAllCIter cbeginValueAll() const { return ValueAllCIter(mValueMask.beginDense(), this); }
296 ValueAllCIter beginValueAll() const { return ValueAllCIter(mValueMask.beginDense(), this); }
297 ValueAllIter beginValueAll() { return ValueAllIter(mValueMask.beginDense(), this); }
298
299 ValueOnCIter cendValueOn() const { return ValueOnCIter(mValueMask.endOn(), this); }
300 ValueOnCIter endValueOn() const { return ValueOnCIter(mValueMask.endOn(), this); }
301 ValueOnIter endValueOn() { return ValueOnIter(mValueMask.endOn(), this); }
302 ValueOffCIter cendValueOff() const { return ValueOffCIter(mValueMask.endOff(), this); }
303 ValueOffCIter endValueOff() const { return ValueOffCIter(mValueMask.endOff(), this); }
304 ValueOffIter endValueOff() { return ValueOffIter(mValueMask.endOff(), this); }
305 ValueAllCIter cendValueAll() const { return ValueAllCIter(mValueMask.endDense(), this); }
306 ValueAllCIter endValueAll() const { return ValueAllCIter(mValueMask.endDense(), this); }
307 ValueAllIter endValueAll() { return ValueAllIter(mValueMask.endDense(), this); }
308
309 // Note that [c]beginChildOn() and [c]beginChildOff() actually return end iterators,
310 // because leaf nodes have no children.
311 ChildOnCIter cbeginChildOn() const { return ChildOnCIter(mValueMask.endOn(), this); }
312 ChildOnCIter beginChildOn() const { return ChildOnCIter(mValueMask.endOn(), this); }
313 ChildOnIter beginChildOn() { return ChildOnIter(mValueMask.endOn(), this); }
314 ChildOffCIter cbeginChildOff() const { return ChildOffCIter(mValueMask.endOff(), this); }
315 ChildOffCIter beginChildOff() const { return ChildOffCIter(mValueMask.endOff(), this); }
316 ChildOffIter beginChildOff() { return ChildOffIter(mValueMask.endOff(), this); }
317 ChildAllCIter cbeginChildAll() const { return ChildAllCIter(mValueMask.beginDense(), this); }
318 ChildAllCIter beginChildAll() const { return ChildAllCIter(mValueMask.beginDense(), this); }
319 ChildAllIter beginChildAll() { return ChildAllIter(mValueMask.beginDense(), this); }
320
321 ChildOnCIter cendChildOn() const { return ChildOnCIter(mValueMask.endOn(), this); }
322 ChildOnCIter endChildOn() const { return ChildOnCIter(mValueMask.endOn(), this); }
323 ChildOnIter endChildOn() { return ChildOnIter(mValueMask.endOn(), this); }
324 ChildOffCIter cendChildOff() const { return ChildOffCIter(mValueMask.endOff(), this); }
325 ChildOffCIter endChildOff() const { return ChildOffCIter(mValueMask.endOff(), this); }
326 ChildOffIter endChildOff() { return ChildOffIter(mValueMask.endOff(), this); }
327 ChildAllCIter cendChildAll() const { return ChildAllCIter(mValueMask.endDense(), this); }
328 ChildAllCIter endChildAll() const { return ChildAllCIter(mValueMask.endDense(), this); }
329 ChildAllIter endChildAll() { return ChildAllIter(mValueMask.endDense(), this); }
330
331 //
332 // Buffer management
333 //
336 void swap(Buffer& other) { mBuffer.swap(other); }
337 const Buffer& buffer() const { return mBuffer; }
338 Buffer& buffer() { return mBuffer; }
339
340 //
341 // I/O methods
342 //
346 void readTopology(std::istream& is, bool fromHalf = false);
350 void writeTopology(std::ostream& os, bool toHalf = false) const;
351
355 void readBuffers(std::istream& is, bool fromHalf = false);
360 void readBuffers(std::istream& is, const CoordBBox& bbox, bool fromHalf = false);
364 void writeBuffers(std::ostream& os, bool toHalf = false) const;
365
366 size_t streamingSize(bool toHalf = false) const;
367
368 //
369 // Accessor methods
370 //
372 const ValueType& getValue(const Coord& xyz) const;
374 const ValueType& getValue(Index offset) const;
375
379 bool probeValue(const Coord& xyz, ValueType& val) const;
383 bool probeValue(Index offset, ValueType& val) const;
384
386 static Index getValueLevel(const Coord&) { return LEVEL; }
387
389 void setActiveState(const Coord& xyz, bool on);
391 void setActiveState(Index offset, bool on) { assert(offset<SIZE); mValueMask.set(offset, on); }
392
394 void setValueOnly(const Coord& xyz, const ValueType& val);
396 void setValueOnly(Index offset, const ValueType& val);
397
399 void setValueOff(const Coord& xyz) { mValueMask.setOff(LeafNode::coordToOffset(xyz)); }
401 void setValueOff(Index offset) { assert(offset < SIZE); mValueMask.setOff(offset); }
402
404 void setValueOff(const Coord& xyz, const ValueType& val);
406 void setValueOff(Index offset, const ValueType& val);
407
409 void setValueOn(const Coord& xyz) { mValueMask.setOn(LeafNode::coordToOffset(xyz)); }
411 void setValueOn(Index offset) { assert(offset < SIZE); mValueMask.setOn(offset); }
413 void setValueOn(const Coord& xyz, const ValueType& val) {
414 this->setValueOn(LeafNode::coordToOffset(xyz), val);
415 }
417 void setValue(const Coord& xyz, const ValueType& val) { this->setValueOn(xyz, val); }
419 void setValueOn(Index offset, const ValueType& val) {
420 mBuffer.setValue(offset, val);
421 mValueMask.setOn(offset);
422 }
423
426 template<typename ModifyOp>
427 void modifyValue(Index offset, const ModifyOp& op)
428 {
429 mBuffer.loadValues();
430 if (!mBuffer.empty()) {
431 // in-place modify value
432 ValueType& val = const_cast<ValueType&>(mBuffer[offset]);
433 op(val);
434 mValueMask.setOn(offset);
435 }
436 }
437
440 template<typename ModifyOp>
441 void modifyValue(const Coord& xyz, const ModifyOp& op)
442 {
443 this->modifyValue(this->coordToOffset(xyz), op);
444 }
445
447 template<typename ModifyOp>
448 void modifyValueAndActiveState(const Coord& xyz, const ModifyOp& op)
449 {
450 mBuffer.loadValues();
451 if (!mBuffer.empty()) {
452 const Index offset = this->coordToOffset(xyz);
453 bool state = mValueMask.isOn(offset);
454 // in-place modify value
455 ValueType& val = const_cast<ValueType&>(mBuffer[offset]);
456 op(val, state);
457 mValueMask.set(offset, state);
458 }
459 }
460
462 void setValuesOn() { mValueMask.setOn(); }
464 void setValuesOff() { mValueMask.setOff(); }
465
467 bool isValueOn(const Coord& xyz) const {return this->isValueOn(LeafNode::coordToOffset(xyz));}
469 bool isValueOn(Index offset) const { return mValueMask.isOn(offset); }
470
472 static bool hasActiveTiles() { return false; }
473
475 void clip(const CoordBBox&, const ValueType& background);
476
478 void fill(const CoordBBox& bbox, const ValueType&, bool active = true);
480 void denseFill(const CoordBBox& bbox, const ValueType& value, bool active = true)
481 {
482 this->fill(bbox, value, active);
483 }
484
486 void fill(const ValueType& value);
488 void fill(const ValueType& value, bool active);
489
501 template<typename DenseT>
502 void copyToDense(const CoordBBox& bbox, DenseT& dense) const;
503
520 template<typename DenseT>
521 void copyFromDense(const CoordBBox& bbox, const DenseT& dense,
522 const ValueType& background, const ValueType& tolerance);
523
526 template<typename AccessorT>
527 const ValueType& getValueAndCache(const Coord& xyz, AccessorT&) const
528 {
529 return this->getValue(xyz);
530 }
531
534 template<typename AccessorT>
535 bool isValueOnAndCache(const Coord& xyz, AccessorT&) const { return this->isValueOn(xyz); }
536
539 template<typename AccessorT>
540 void setValueAndCache(const Coord& xyz, const ValueType& val, AccessorT&)
541 {
542 this->setValueOn(xyz, val);
543 }
544
548 template<typename AccessorT>
549 void setValueOnlyAndCache(const Coord& xyz, const ValueType& val, AccessorT&)
550 {
551 this->setValueOnly(xyz, val);
552 }
553
557 template<typename ModifyOp, typename AccessorT>
558 void modifyValueAndCache(const Coord& xyz, const ModifyOp& op, AccessorT&)
559 {
560 this->modifyValue(xyz, op);
561 }
562
565 template<typename ModifyOp, typename AccessorT>
566 void modifyValueAndActiveStateAndCache(const Coord& xyz, const ModifyOp& op, AccessorT&)
567 {
568 this->modifyValueAndActiveState(xyz, op);
569 }
570
573 template<typename AccessorT>
574 void setValueOffAndCache(const Coord& xyz, const ValueType& value, AccessorT&)
575 {
576 this->setValueOff(xyz, value);
577 }
578
582 template<typename AccessorT>
583 void setActiveStateAndCache(const Coord& xyz, bool on, AccessorT&)
584 {
585 this->setActiveState(xyz, on);
586 }
587
591 template<typename AccessorT>
592 bool probeValueAndCache(const Coord& xyz, ValueType& val, AccessorT&) const
593 {
594 return this->probeValue(xyz, val);
595 }
596
600 template<typename AccessorT>
601 const ValueType& getValue(const Coord& xyz, bool& state, int& level, AccessorT&) const
602 {
603 const Index offset = this->coordToOffset(xyz);
604 state = mValueMask.isOn(offset);
605 level = LEVEL;
606 return mBuffer[offset];
607 }
608
611 template<typename AccessorT>
612 static Index getValueLevelAndCache(const Coord&, AccessorT&) { return LEVEL; }
613
617 const ValueType& getFirstValue() const { return mBuffer[0]; }
619 const ValueType& getLastValue() const { return mBuffer[SIZE - 1]; }
620
623 void resetBackground(const ValueType& oldBackground, const ValueType& newBackground);
624
625 void negate();
626
629 void voxelizeActiveTiles(bool = true) {}
630
631 template<MergePolicy Policy> void merge(const LeafNode&);
632 template<MergePolicy Policy> void merge(const ValueType& tileValue, bool tileActive);
633 template<MergePolicy Policy>
634 void merge(const LeafNode& other, const ValueType& /*bg*/, const ValueType& /*otherBG*/);
635
642 template<typename OtherType>
643 void topologyUnion(const LeafNode<OtherType, Log2Dim>& other);
644
656 template<typename OtherType>
657 void topologyIntersection(const LeafNode<OtherType, Log2Dim>& other, const ValueType&);
658
670 template<typename OtherType>
671 void topologyDifference(const LeafNode<OtherType, Log2Dim>& other, const ValueType&);
672
673 template<typename CombineOp>
674 void combine(const LeafNode& other, CombineOp& op);
675 template<typename CombineOp>
676 void combine(const ValueType& value, bool valueIsActive, CombineOp& op);
677
678 template<typename CombineOp, typename OtherType /*= ValueType*/>
679 void combine2(const LeafNode& other, const OtherType&, bool valueIsActive, CombineOp&);
680 template<typename CombineOp, typename OtherNodeT /*= LeafNode*/>
681 void combine2(const ValueType&, const OtherNodeT& other, bool valueIsActive, CombineOp&);
682 template<typename CombineOp, typename OtherNodeT /*= LeafNode*/>
683 void combine2(const LeafNode& b0, const OtherNodeT& b1, CombineOp&);
684
690 template<typename BBoxOp> void visitActiveBBox(BBoxOp&) const;
691
692 template<typename VisitorOp> void visit(VisitorOp&);
693 template<typename VisitorOp> void visit(VisitorOp&) const;
694
695 template<typename OtherLeafNodeType, typename VisitorOp>
696 void visit2Node(OtherLeafNodeType& other, VisitorOp&);
697 template<typename OtherLeafNodeType, typename VisitorOp>
698 void visit2Node(OtherLeafNodeType& other, VisitorOp&) const;
699 template<typename IterT, typename VisitorOp>
700 void visit2(IterT& otherIter, VisitorOp&, bool otherIsLHS = false);
701 template<typename IterT, typename VisitorOp>
702 void visit2(IterT& otherIter, VisitorOp&, bool otherIsLHS = false) const;
703
705 void prune(const ValueType& /*tolerance*/ = zeroVal<ValueType>()) {}
707 void addLeaf(LeafNode*) {}
708 template<typename AccessorT>
709 void addLeafAndCache(LeafNode*, AccessorT&) {}
710 template<typename NodeT>
711 NodeT* stealNode(const Coord&, const ValueType&, bool) { return nullptr; }
712 template<typename NodeT>
713 NodeT* probeNode(const Coord&) { return nullptr; }
714 template<typename NodeT>
715 const NodeT* probeConstNode(const Coord&) const { return nullptr; }
716 template<typename ArrayT> void getNodes(ArrayT&) const {}
717 template<typename ArrayT> void stealNodes(ArrayT&, const ValueType&, bool) {}
719
720 void addTile(Index level, const Coord&, const ValueType&, bool);
721 void addTile(Index offset, const ValueType&, bool);
722 template<typename AccessorT>
723 void addTileAndCache(Index, const Coord&, const ValueType&, bool, AccessorT&);
724
726 LeafNode* touchLeaf(const Coord&) { return this; }
728 template<typename AccessorT>
729 LeafNode* touchLeafAndCache(const Coord&, AccessorT&) { return this; }
730 template<typename NodeT, typename AccessorT>
731 NodeT* probeNodeAndCache(const Coord&, AccessorT&)
732 {
733 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
734 if (!(std::is_same<NodeT, LeafNode>::value)) return nullptr;
735 return reinterpret_cast<NodeT*>(this);
736 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
737 }
738 LeafNode* probeLeaf(const Coord&) { return this; }
739 template<typename AccessorT>
740 LeafNode* probeLeafAndCache(const Coord&, AccessorT&) { return this; }
742
743 const LeafNode* probeConstLeaf(const Coord&) const { return this; }
745 template<typename AccessorT>
746 const LeafNode* probeConstLeafAndCache(const Coord&, AccessorT&) const { return this; }
747 template<typename AccessorT>
748 const LeafNode* probeLeafAndCache(const Coord&, AccessorT&) const { return this; }
749 const LeafNode* probeLeaf(const Coord&) const { return this; }
750 template<typename NodeT, typename AccessorT>
751 const NodeT* probeConstNodeAndCache(const Coord&, AccessorT&) const
752 {
753 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
754 if (!(std::is_same<NodeT, LeafNode>::value)) return nullptr;
755 return reinterpret_cast<const NodeT*>(this);
756 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
757 }
759
769 bool isConstant(ValueType& firstValue, bool& state,
770 const ValueType& tolerance = zeroVal<ValueType>()) const;
771
783 bool isConstant(ValueType& minValue, ValueType& maxValue,
784 bool& state, const ValueType& tolerance = zeroVal<ValueType>()) const;
785
786
801 ValueType medianAll(ValueType *tmp = nullptr) const;
802
817 Index medianOn(ValueType &value, ValueType *tmp = nullptr) const;
818
833 Index medianOff(ValueType &value, ValueType *tmp = nullptr) const;
834
836 bool isInactive() const { return mValueMask.isOff(); }
837
838 protected:
839 friend class ::TestLeaf;
840 template<typename> friend class ::TestLeafIO;
841
842 // During topology-only construction, access is needed
843 // to protected/private members of other template instances.
844 template<typename, Index> friend class LeafNode;
845
846 friend struct ValueIter<MaskOnIterator, LeafNode, ValueType, ValueOn>;
847 friend struct ValueIter<MaskOffIterator, LeafNode, ValueType, ValueOff>;
848 friend struct ValueIter<MaskDenseIterator, LeafNode, ValueType, ValueAll>;
849 friend struct ValueIter<MaskOnIterator, const LeafNode, ValueType, ValueOn>;
850 friend struct ValueIter<MaskOffIterator, const LeafNode, ValueType, ValueOff>;
851 friend struct ValueIter<MaskDenseIterator, const LeafNode, ValueType, ValueAll>;
852
853 // Allow iterators to call mask accessor methods (see below).
855 friend class IteratorBase<MaskOnIterator, LeafNode>;
856 friend class IteratorBase<MaskOffIterator, LeafNode>;
857 friend class IteratorBase<MaskDenseIterator, LeafNode>;
858
859 // Mask accessors
860 public:
861 bool isValueMaskOn(Index n) const { return mValueMask.isOn(n); }
862 bool isValueMaskOn() const { return mValueMask.isOn(); }
863 bool isValueMaskOff(Index n) const { return mValueMask.isOff(n); }
864 bool isValueMaskOff() const { return mValueMask.isOff(); }
865 const NodeMaskType& getValueMask() const { return mValueMask; }
866 NodeMaskType& getValueMask() { return mValueMask; }
867 const NodeMaskType& valueMask() const { return mValueMask; }
868 void setValueMask(const NodeMaskType& mask) { mValueMask = mask; }
869 bool isChildMaskOn(Index) const { return false; } // leaf nodes have no children
870 bool isChildMaskOff(Index) const { return true; }
871 bool isChildMaskOff() const { return true; }
872 protected:
873 void setValueMask(Index n, bool on) { mValueMask.set(n, on); }
874 void setValueMaskOn(Index n) { mValueMask.setOn(n); }
875 void setValueMaskOff(Index n) { mValueMask.setOff(n); }
876
877 inline void skipCompressedValues(bool seekable, std::istream&, bool fromHalf);
878
880 static void evalNodeOrigin(Coord& xyz) { xyz &= ~(DIM - 1); }
881
882 template<typename NodeT, typename VisitorOp, typename ChildAllIterT>
883 static inline void doVisit(NodeT&, VisitorOp&);
884
885 template<typename NodeT, typename OtherNodeT, typename VisitorOp,
886 typename ChildAllIterT, typename OtherChildAllIterT>
887 static inline void doVisit2Node(NodeT& self, OtherNodeT& other, VisitorOp&);
888
889 template<typename NodeT, typename VisitorOp,
890 typename ChildAllIterT, typename OtherChildAllIterT>
891 static inline void doVisit2(NodeT& self, OtherChildAllIterT&, VisitorOp&, bool otherIsLHS);
892
893 private:
895 Buffer mBuffer;
897 NodeMaskType mValueMask;
899 Coord mOrigin;
900 }; // end of LeafNode class
901
902
904
905
907 template<Index Dim1, typename NodeT2>
910 struct SameLeafConfig { static const bool value = false; };
911
912 template<Index Dim1, typename T2>
913 struct SameLeafConfig<Dim1, LeafNode<T2, Dim1> > { static const bool value = true; };
915
916
918
919
920 template<typename T, Index Log2Dim>
921 inline
922 LeafNode<T, Log2Dim>::LeafNode():
923 mValueMask(),//default is off!
924 mOrigin(0, 0, 0)
925 {
926 }
927
928
929 template<typename T, Index Log2Dim>
930 inline
931 LeafNode<T, Log2Dim>::LeafNode(const Coord& xyz, const ValueType& val, bool active):
932 mBuffer(val),
933 mValueMask(active),
934 mOrigin(xyz & (~(DIM - 1)))
935 {
936 }
937
938
939 template<typename T, Index Log2Dim>
940 inline
941 LeafNode<T, Log2Dim>::LeafNode(PartialCreate, const Coord& xyz, const ValueType& val, bool active):
942 mBuffer(PartialCreate(), val),
943 mValueMask(active),
944 mOrigin(xyz & (~(DIM - 1)))
945 {
946 }
947
948
949 template<typename T, Index Log2Dim>
950 inline
951 LeafNode<T, Log2Dim>::LeafNode(const LeafNode& other):
952 mBuffer(other.mBuffer),
953 mValueMask(other.valueMask()),
954 mOrigin(other.mOrigin)
955 {
956 }
957
958
959 // Copy-construct from a leaf node with the same configuration but a different ValueType.
960 template<typename T, Index Log2Dim>
961 template<typename OtherValueType>
962 inline
963 LeafNode<T, Log2Dim>::LeafNode(const LeafNode<OtherValueType, Log2Dim>& other):
964 mValueMask(other.valueMask()),
965 mOrigin(other.mOrigin)
966 {
967 struct Local {
969 static inline ValueType convertValue(const OtherValueType& val) { return ValueType(val); }
970 };
971
972 for (Index i = 0; i < SIZE; ++i) {
973 mBuffer[i] = Local::convertValue(other.mBuffer[i]);
974 }
975 }
976
977
978 template<typename T, Index Log2Dim>
979 template<typename OtherValueType>
980 inline
981 LeafNode<T, Log2Dim>::LeafNode(const LeafNode<OtherValueType, Log2Dim>& other,
982 const ValueType& background, TopologyCopy):
983 mBuffer(background),
984 mValueMask(other.valueMask()),
985 mOrigin(other.mOrigin)
986 {
987 }
988
989
990 template<typename T, Index Log2Dim>
991 template<typename OtherValueType>
992 inline
993 LeafNode<T, Log2Dim>::LeafNode(const LeafNode<OtherValueType, Log2Dim>& other,
994 const ValueType& offValue, const ValueType& onValue, TopologyCopy):
995 mValueMask(other.valueMask()),
996 mOrigin(other.mOrigin)
997 {
998 for (Index i = 0; i < SIZE; ++i) {
999 mBuffer[i] = (mValueMask.isOn(i) ? onValue : offValue);
1000 }
1001 }
1002
1003
1004 template<typename T, Index Log2Dim>
1005 inline
1006 LeafNode<T, Log2Dim>::~LeafNode()
1007 {
1008 }
1009
1010
1011 template<typename T, Index Log2Dim>
1012 inline std::string
1013 LeafNode<T, Log2Dim>::str() const
1014 {
1015 std::ostringstream ostr;
1016 ostr << "LeafNode @" << mOrigin << ": " << mBuffer;
1017 return ostr.str();
1018 }
1019
1020
1022
1023
1024 template<typename T, Index Log2Dim>
1025 inline Index
1026 LeafNode<T, Log2Dim>::coordToOffset(const Coord& xyz)
1027 {
1028 assert ((xyz[0] & (DIM-1u)) < DIM && (xyz[1] & (DIM-1u)) < DIM && (xyz[2] & (DIM-1u)) < DIM);
1029 return ((xyz[0] & (DIM-1u)) << 2*Log2Dim)
1030 + ((xyz[1] & (DIM-1u)) << Log2Dim)
1031 + (xyz[2] & (DIM-1u));
1032 }
1033
1034 template<typename T, Index Log2Dim>
1035 inline Coord
1036 LeafNode<T, Log2Dim>::offsetToLocalCoord(Index n)
1037 {
1038 assert(n<(1<< 3*Log2Dim));
1039 Coord xyz;
1040 xyz.setX(n >> 2*Log2Dim);
1041 n &= ((1<<2*Log2Dim)-1);
1042 xyz.setY(n >> Log2Dim);
1043 xyz.setZ(n & ((1<<Log2Dim)-1));
1044 return xyz;
1045 }
1046
1047
1048 template<typename T, Index Log2Dim>
1049 inline Coord
1050 LeafNode<T, Log2Dim>::offsetToGlobalCoord(Index n) const
1051 {
1052 return (this->offsetToLocalCoord(n) + this->origin());
1053 }
1054
1055
1057
1058
1059 template<typename ValueT, Index Log2Dim>
1060 inline const ValueT&
1061 LeafNode<ValueT, Log2Dim>::getValue(const Coord& xyz) const
1062 {
1063 return this->getValue(LeafNode::coordToOffset(xyz));
1064 }
1065
1066 template<typename ValueT, Index Log2Dim>
1067 inline const ValueT&
1068 LeafNode<ValueT, Log2Dim>::getValue(Index offset) const
1069 {
1070 assert(offset < SIZE);
1071 return mBuffer[offset];
1072 }
1073
1074
1075 template<typename T, Index Log2Dim>
1076 inline bool
1077 LeafNode<T, Log2Dim>::probeValue(const Coord& xyz, ValueType& val) const
1078 {
1079 return this->probeValue(LeafNode::coordToOffset(xyz), val);
1080 }
1081
1082 template<typename T, Index Log2Dim>
1083 inline bool
1084 LeafNode<T, Log2Dim>::probeValue(Index offset, ValueType& val) const
1085 {
1086 assert(offset < SIZE);
1087 val = mBuffer[offset];
1088 return mValueMask.isOn(offset);
1089 }
1090
1091
1092 template<typename T, Index Log2Dim>
1093 inline void
1094 LeafNode<T, Log2Dim>::setValueOff(const Coord& xyz, const ValueType& val)
1095 {
1096 this->setValueOff(LeafNode::coordToOffset(xyz), val);
1097 }
1098
1099 template<typename T, Index Log2Dim>
1100 inline void
1101 LeafNode<T, Log2Dim>::setValueOff(Index offset, const ValueType& val)
1102 {
1103 assert(offset < SIZE);
1104 mBuffer.setValue(offset, val);
1105 mValueMask.setOff(offset);
1106 }
1107
1108
1109 template<typename T, Index Log2Dim>
1110 inline void
1111 LeafNode<T, Log2Dim>::setActiveState(const Coord& xyz, bool on)
1112 {
1113 mValueMask.set(this->coordToOffset(xyz), on);
1114 }
1115
1116
1117 template<typename T, Index Log2Dim>
1118 inline void
1119 LeafNode<T, Log2Dim>::setValueOnly(const Coord& xyz, const ValueType& val)
1120 {
1121 this->setValueOnly(LeafNode::coordToOffset(xyz), val);
1122 }
1123
1124 template<typename T, Index Log2Dim>
1125 inline void
1126 LeafNode<T, Log2Dim>::setValueOnly(Index offset, const ValueType& val)
1127 {
1128 assert(offset<SIZE); mBuffer.setValue(offset, val);
1129 }
1130
1131
1133
1134
1135 template<typename T, Index Log2Dim>
1136 inline void
1137 LeafNode<T, Log2Dim>::clip(const CoordBBox& clipBBox, const T& background)
1138 {
1139 CoordBBox nodeBBox = this->getNodeBoundingBox();
1140 if (!clipBBox.hasOverlap(nodeBBox)) {
1141 // This node lies completely outside the clipping region. Fill it with the background.
1142 this->fill(background, /*active=*/false);
1143 } else if (clipBBox.isInside(nodeBBox)) {
1144 // This node lies completely inside the clipping region. Leave it intact.
1145 return;
1146 }
1147
1148 // This node isn't completely contained inside the clipping region.
1149 // Set any voxels that lie outside the region to the background value.
1150
1151 // Construct a boolean mask that is on inside the clipping region and off outside it.
1152 NodeMaskType mask;
1153 nodeBBox.intersect(clipBBox);
1154 Coord xyz;
1155 int &x = xyz.x(), &y = xyz.y(), &z = xyz.z();
1156 for (x = nodeBBox.min().x(); x <= nodeBBox.max().x(); ++x) {
1157 for (y = nodeBBox.min().y(); y <= nodeBBox.max().y(); ++y) {
1158 for (z = nodeBBox.min().z(); z <= nodeBBox.max().z(); ++z) {
1159 mask.setOn(static_cast<Index32>(this->coordToOffset(xyz)));
1160 }
1161 }
1162 }
1163
1164 // Set voxels that lie in the inactive region of the mask (i.e., outside
1165 // the clipping region) to the background value.
1166 for (MaskOffIterator maskIter = mask.beginOff(); maskIter; ++maskIter) {
1167 this->setValueOff(maskIter.pos(), background);
1168 }
1169 }
1170
1171
1173
1174
1175 template<typename T, Index Log2Dim>
1176 inline void
1177 LeafNode<T, Log2Dim>::fill(const CoordBBox& bbox, const ValueType& value, bool active)
1178 {
1179 if (!this->allocate()) return;
1180
1181 auto clippedBBox = this->getNodeBoundingBox();
1182 clippedBBox.intersect(bbox);
1183 if (!clippedBBox) return;
1184
1185 for (Int32 x = clippedBBox.min().x(); x <= clippedBBox.max().x(); ++x) {
1186 const Index offsetX = (x & (DIM-1u)) << 2*Log2Dim;
1187 for (Int32 y = clippedBBox.min().y(); y <= clippedBBox.max().y(); ++y) {
1188 const Index offsetXY = offsetX + ((y & (DIM-1u)) << Log2Dim);
1189 for (Int32 z = clippedBBox.min().z(); z <= clippedBBox.max().z(); ++z) {
1190 const Index offset = offsetXY + (z & (DIM-1u));
1191 mBuffer[offset] = value;
1192 mValueMask.set(offset, active);
1193 }
1194 }
1195 }
1196 }
1197
1198 template<typename T, Index Log2Dim>
1199 inline void
1200 LeafNode<T, Log2Dim>::fill(const ValueType& value)
1201 {
1202 mBuffer.fill(value);
1203 }
1204
1205 template<typename T, Index Log2Dim>
1206 inline void
1207 LeafNode<T, Log2Dim>::fill(const ValueType& value, bool active)
1208 {
1209 mBuffer.fill(value);
1210 mValueMask.set(active);
1211 }
1212
1213
1215
1216
1217 template<typename T, Index Log2Dim>
1218 template<typename DenseT>
1219 inline void
1220 LeafNode<T, Log2Dim>::copyToDense(const CoordBBox& bbox, DenseT& dense) const
1221 {
1222 mBuffer.loadValues();
1223
1224 using DenseValueType = typename DenseT::ValueType;
1225
1226 const size_t xStride = dense.xStride(), yStride = dense.yStride(), zStride = dense.zStride();
1227 const Coord& min = dense.bbox().min();
1228 DenseValueType* t0 = dense.data() + zStride * (bbox.min()[2] - min[2]); // target array
1229 const T* s0 = &mBuffer[bbox.min()[2] & (DIM-1u)]; // source array
1230 for (Int32 x = bbox.min()[0], ex = bbox.max()[0] + 1; x < ex; ++x) {
1231 DenseValueType* t1 = t0 + xStride * (x - min[0]);
1232 const T* s1 = s0 + ((x & (DIM-1u)) << 2*Log2Dim);
1233 for (Int32 y = bbox.min()[1], ey = bbox.max()[1] + 1; y < ey; ++y) {
1234 DenseValueType* t2 = t1 + yStride * (y - min[1]);
1235 const T* s2 = s1 + ((y & (DIM-1u)) << Log2Dim);
1236 for (Int32 z = bbox.min()[2], ez = bbox.max()[2] + 1; z < ez; ++z, t2 += zStride) {
1237 *t2 = DenseValueType(*s2++);
1238 }
1239 }
1240 }
1241 }
1242
1243
1244 template<typename T, Index Log2Dim>
1245 template<typename DenseT>
1246 inline void
1247 LeafNode<T, Log2Dim>::copyFromDense(const CoordBBox& bbox, const DenseT& dense,
1248 const ValueType& background, const ValueType& tolerance)
1249 {
1250 if (!this->allocate()) return;
1251
1252 using DenseValueType = typename DenseT::ValueType;
1253
1254 const size_t xStride = dense.xStride(), yStride = dense.yStride(), zStride = dense.zStride();
1255 const Coord& min = dense.bbox().min();
1256
1257 const DenseValueType* s0 = dense.data() + zStride * (bbox.min()[2] - min[2]); // source
1258 const Int32 n0 = bbox.min()[2] & (DIM-1u);
1259 for (Int32 x = bbox.min()[0], ex = bbox.max()[0]+1; x < ex; ++x) {
1260 const DenseValueType* s1 = s0 + xStride * (x - min[0]);
1261 const Int32 n1 = n0 + ((x & (DIM-1u)) << 2*LOG2DIM);
1262 for (Int32 y = bbox.min()[1], ey = bbox.max()[1]+1; y < ey; ++y) {
1263 const DenseValueType* s2 = s1 + yStride * (y - min[1]);
1264 Int32 n2 = n1 + ((y & (DIM-1u)) << LOG2DIM);
1265 for (Int32 z = bbox.min()[2], ez = bbox.max()[2]+1; z < ez; ++z, ++n2, s2 += zStride) {
1266 if (math::isApproxEqual(background, ValueType(*s2), tolerance)) {
1267 mValueMask.setOff(n2);
1268 mBuffer[n2] = background;
1269 } else {
1270 mValueMask.setOn(n2);
1271 mBuffer[n2] = ValueType(*s2);
1272 }
1273 }
1274 }
1275 }
1276 }
1277
1278
1280
1281
1282 template<typename T, Index Log2Dim>
1283 inline void
1284 LeafNode<T, Log2Dim>::readTopology(std::istream& is, bool /*fromHalf*/)
1285 {
1286 mValueMask.load(is);
1287 }
1288
1289
1290 template<typename T, Index Log2Dim>
1291 inline void
1292 LeafNode<T, Log2Dim>::writeTopology(std::ostream& os, bool /*toHalf*/) const
1293 {
1294 mValueMask.save(os);
1295 }
1296
1297
1299
1300
1301
1302 template<typename T, Index Log2Dim>
1303 inline void
1304 LeafNode<T,Log2Dim>::skipCompressedValues(bool seekable, std::istream& is, bool fromHalf)
1305 {
1306 if (seekable) {
1307 // Seek over voxel values.
1308 io::readCompressedValues<ValueType, NodeMaskType>(
1309 is, nullptr, SIZE, mValueMask, fromHalf);
1310 } else {
1311 // Read and discard voxel values.
1312 Buffer temp;
1313 io::readCompressedValues(is, temp.mData, SIZE, mValueMask, fromHalf);
1314 }
1315 }
1316
1317
1318 template<typename T, Index Log2Dim>
1319 inline void
1320 LeafNode<T,Log2Dim>::readBuffers(std::istream& is, bool fromHalf)
1321 {
1322 this->readBuffers(is, CoordBBox::inf(), fromHalf);
1323 }
1324
1325
1326 template<typename T, Index Log2Dim>
1327 inline void
1328 LeafNode<T,Log2Dim>::readBuffers(std::istream& is, const CoordBBox& clipBBox, bool fromHalf)
1329 {
1330 SharedPtr<io::StreamMetadata> meta = io::getStreamMetadataPtr(is);
1331 const bool seekable = meta && meta->seekable();
1332
1333 std::streamoff maskpos = is.tellg();
1334
1335 if (seekable) {
1336 // Seek over the value mask.
1337 mValueMask.seek(is);
1338 } else {
1339 // Read in the value mask.
1340 mValueMask.load(is);
1341 }
1342
1343 int8_t numBuffers = 1;
1344 if (io::getFormatVersion(is) < OPENVDB_FILE_VERSION_NODE_MASK_COMPRESSION) {
1345 // Read in the origin.
1346 is.read(reinterpret_cast<char*>(&mOrigin), sizeof(Coord::ValueType) * 3);
1347
1348 // Read in the number of buffers, which should now always be one.
1349 is.read(reinterpret_cast<char*>(&numBuffers), sizeof(int8_t));
1350 }
1351
1352 CoordBBox nodeBBox = this->getNodeBoundingBox();
1353 if (!clipBBox.hasOverlap(nodeBBox)) {
1354 // This node lies completely outside the clipping region.
1355 skipCompressedValues(seekable, is, fromHalf);
1356 mValueMask.setOff();
1357 mBuffer.setOutOfCore(false);
1358 } else {
1359 // If this node lies completely inside the clipping region and it is being read
1360 // from a memory-mapped file, delay loading of its buffer until the buffer
1361 // is actually accessed. (If this node requires clipping, its buffer
1362 // must be accessed and therefore must be loaded.)
1363 io::MappedFile::Ptr mappedFile = io::getMappedFilePtr(is);
1364 const bool delayLoad = ((mappedFile.get() != nullptr) && clipBBox.isInside(nodeBBox));
1365
1366 if (delayLoad) {
1367 mBuffer.setOutOfCore(true);
1368 mBuffer.mFileInfo = new typename Buffer::FileInfo;
1369 mBuffer.mFileInfo->meta = meta;
1370 mBuffer.mFileInfo->bufpos = is.tellg();
1371 mBuffer.mFileInfo->mapping = mappedFile;
1372 // Save the offset to the value mask, because the in-memory copy
1373 // might change before the value buffer gets read.
1374 mBuffer.mFileInfo->maskpos = maskpos;
1375 // Skip over voxel values.
1376 skipCompressedValues(seekable, is, fromHalf);
1377 } else {
1378 mBuffer.allocate();
1379 io::readCompressedValues(is, mBuffer.mData, SIZE, mValueMask, fromHalf);
1380 mBuffer.setOutOfCore(false);
1381
1382 // Get this tree's background value.
1383 T background = zeroVal<T>();
1384 if (const void* bgPtr = io::getGridBackgroundValuePtr(is)) {
1385 background = *static_cast<const T*>(bgPtr);
1386 }
1387 this->clip(clipBBox, background);
1388 }
1389 }
1390
1391 if (numBuffers > 1) {
1392 // Read in and discard auxiliary buffers that were created with earlier
1393 // versions of the library. (Auxiliary buffers are not mask compressed.)
1394 const bool zipped = io::getDataCompression(is) & io::COMPRESS_ZIP;
1395 Buffer temp;
1396 for (int i = 1; i < numBuffers; ++i) {
1397 if (fromHalf) {
1398 io::HalfReader<io::RealToHalf<T>::isReal, T>::read(is, temp.mData, SIZE, zipped);
1399 } else {
1400 io::readData<T>(is, temp.mData, SIZE, zipped);
1401 }
1402 }
1403 }
1404
1405 // increment the leaf number
1406 if (meta) meta->setLeaf(meta->leaf() + 1);
1407 }
1408
1409
1410 template<typename T, Index Log2Dim>
1411 inline void
1412 LeafNode<T, Log2Dim>::writeBuffers(std::ostream& os, bool toHalf) const
1413 {
1414 // Write out the value mask.
1415 mValueMask.save(os);
1416
1417 mBuffer.loadValues();
1418
1419 io::writeCompressedValues(os, mBuffer.mData, SIZE,
1420 mValueMask, /*childMask=*/NodeMaskType(), toHalf);
1421 }
1422
1423
1425
1426
1427 template<typename T, Index Log2Dim>
1428 inline bool
1429 LeafNode<T, Log2Dim>::operator==(const LeafNode& other) const
1430 {
1431 return mOrigin == other.mOrigin &&
1432 mValueMask == other.valueMask() &&
1433 mBuffer == other.mBuffer;
1434 }
1435
1436
1437 template<typename T, Index Log2Dim>
1438 inline Index64
1439 LeafNode<T, Log2Dim>::memUsage() const
1440 {
1441 // Use sizeof(*this) to capture alignment-related padding
1442 // (but note that sizeof(*this) includes sizeof(mBuffer)).
1443 return sizeof(*this) + mBuffer.memUsage() - sizeof(mBuffer);
1444 }
1445
1446
1447 template<typename T, Index Log2Dim>
1448 inline void
1449 LeafNode<T, Log2Dim>::evalActiveBoundingBox(CoordBBox& bbox, bool visitVoxels) const
1450 {
1451 CoordBBox this_bbox = this->getNodeBoundingBox();
1452 if (bbox.isInside(this_bbox)) return;//this LeafNode is already enclosed in the bbox
1453 if (ValueOnCIter iter = this->cbeginValueOn()) {//any active values?
1454 if (visitVoxels) {//use voxel granularity?
1455 this_bbox.reset();
1456 for(; iter; ++iter) this_bbox.expand(this->offsetToLocalCoord(iter.pos()));
1457 this_bbox.translate(this->origin());
1458 }
1459 bbox.expand(this_bbox);
1460 }
1461 }
1462
1463
1464 template<typename T, Index Log2Dim>
1465 template<typename OtherType, Index OtherLog2Dim>
1466 inline bool
1467 LeafNode<T, Log2Dim>::hasSameTopology(const LeafNode<OtherType, OtherLog2Dim>* other) const
1468 {
1469 assert(other);
1470 return (Log2Dim == OtherLog2Dim && mValueMask == other->getValueMask());
1471 }
1472
1473 template<typename T, Index Log2Dim>
1474 inline bool
1475 LeafNode<T, Log2Dim>::isConstant(ValueType& firstValue,
1476 bool& state,
1477 const ValueType& tolerance) const
1478 {
1479 if (!mValueMask.isConstant(state)) return false;// early termination
1480 firstValue = mBuffer[0];
1481 for (Index i = 1; i < SIZE; ++i) {
1482 if ( !math::isApproxEqual(mBuffer[i], firstValue, tolerance) ) return false;// early termination
1483 }
1484 return true;
1485 }
1486
1487 template<typename T, Index Log2Dim>
1488 inline bool
1489 LeafNode<T, Log2Dim>::isConstant(ValueType& minValue,
1490 ValueType& maxValue,
1491 bool& state,
1492 const ValueType& tolerance) const
1493 {
1494 if (!mValueMask.isConstant(state)) return false;// early termination
1495 minValue = maxValue = mBuffer[0];
1496 for (Index i = 1; i < SIZE; ++i) {
1497 const T& v = mBuffer[i];
1498 if (v < minValue) {
1499 if ((maxValue - v) > tolerance) return false;// early termination
1500 minValue = v;
1501 } else if (v > maxValue) {
1502 if ((v - minValue) > tolerance) return false;// early termination
1503 maxValue = v;
1504 }
1505 }
1506 return true;
1507 }
1508
1509 template<typename T, Index Log2Dim>
1510 inline T
1511 LeafNode<T, Log2Dim>::medianAll(T *tmp) const
1512 {
1513 std::unique_ptr<T[]> data(nullptr);
1514 if (tmp == nullptr) {//allocate temporary storage
1515 data.reset(new T[NUM_VALUES]);
1516 tmp = data.get();
1517 }
1518 if (tmp != mBuffer.data()) {
1519 const T* src = mBuffer.data();
1520 for (T* dst = tmp; dst-tmp < NUM_VALUES;) *dst++ = *src++;
1521 }
1522 static const size_t midpoint = (NUM_VALUES - 1) >> 1;
1523 std::nth_element(tmp, tmp + midpoint, tmp + NUM_VALUES);
1524 return tmp[midpoint];
1525 }
1526
1527 template<typename T, Index Log2Dim>
1528 inline Index
1529 LeafNode<T, Log2Dim>::medianOn(T &value, T *tmp) const
1530 {
1531 const Index count = mValueMask.countOn();
1532 if (count == NUM_VALUES) {//special case: all voxels are active
1533 value = this->medianAll(tmp);
1534 return NUM_VALUES;
1535 } else if (count == 0) {
1536 return 0;
1537 }
1538 std::unique_ptr<T[]> data(nullptr);
1539 if (tmp == nullptr) {//allocate temporary storage
1540 data.reset(new T[count]);// 0 < count < NUM_VALUES
1541 tmp = data.get();
1542 }
1543 for (auto iter=this->cbeginValueOn(); iter; ++iter) *tmp++ = *iter;
1544 T *begin = tmp - count;
1545 const size_t midpoint = (count - 1) >> 1;
1546 std::nth_element(begin, begin + midpoint, tmp);
1547 value = begin[midpoint];
1548 return count;
1549 }
1550
1551 template<typename T, Index Log2Dim>
1552 inline Index
1553 LeafNode<T, Log2Dim>::medianOff(T &value, T *tmp) const
1554 {
1555 const Index count = mValueMask.countOff();
1556 if (count == NUM_VALUES) {//special case: all voxels are inactive
1557 value = this->medianAll(tmp);
1558 return NUM_VALUES;
1559 } else if (count == 0) {
1560 return 0;
1561 }
1562 std::unique_ptr<T[]> data(nullptr);
1563 if (tmp == nullptr) {//allocate temporary storage
1564 data.reset(new T[count]);// 0 < count < NUM_VALUES
1565 tmp = data.get();
1566 }
1567 for (auto iter=this->cbeginValueOff(); iter; ++iter) *tmp++ = *iter;
1568 T *begin = tmp - count;
1569 const size_t midpoint = (count - 1) >> 1;
1570 std::nth_element(begin, begin + midpoint, tmp);
1571 value = begin[midpoint];
1572 return count;
1573 }
1574
1576
1577
1578 template<typename T, Index Log2Dim>
1579 inline void
1580 LeafNode<T, Log2Dim>::addTile(Index /*level*/, const Coord& xyz, const ValueType& val, bool active)
1581 {
1582 this->addTile(this->coordToOffset(xyz), val, active);
1583 }
1584
1585 template<typename T, Index Log2Dim>
1586 inline void
1587 LeafNode<T, Log2Dim>::addTile(Index offset, const ValueType& val, bool active)
1588 {
1589 assert(offset < SIZE);
1590 setValueOnly(offset, val);
1591 setActiveState(offset, active);
1592 }
1593
1594 template<typename T, Index Log2Dim>
1595 template<typename AccessorT>
1596 inline void
1597 LeafNode<T, Log2Dim>::addTileAndCache(Index level, const Coord& xyz,
1598 const ValueType& val, bool active, AccessorT&)
1599 {
1600 this->addTile(level, xyz, val, active);
1601 }
1602
1603
1605
1606
1607 template<typename T, Index Log2Dim>
1608 inline void
1609 LeafNode<T, Log2Dim>::resetBackground(const ValueType& oldBackground,
1610 const ValueType& newBackground)
1611 {
1612 if (!this->allocate()) return;
1613
1614 typename NodeMaskType::OffIterator iter;
1615 // For all inactive values...
1616 for (iter = this->mValueMask.beginOff(); iter; ++iter) {
1617 ValueType &inactiveValue = mBuffer[iter.pos()];
1618 if (math::isApproxEqual(inactiveValue, oldBackground)) {
1619 inactiveValue = newBackground;
1620 } else if (math::isApproxEqual(inactiveValue, math::negative(oldBackground))) {
1621 inactiveValue = math::negative(newBackground);
1622 }
1623 }
1624 }
1625
1626
1627 template<typename T, Index Log2Dim>
1628 template<MergePolicy Policy>
1629 inline void
1630 LeafNode<T, Log2Dim>::merge(const LeafNode& other)
1631 {
1632 if (!this->allocate()) return;
1633
1634 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
1635 if (Policy == MERGE_NODES) return;
1636 typename NodeMaskType::OnIterator iter = other.valueMask().beginOn();
1637 for (; iter; ++iter) {
1638 const Index n = iter.pos();
1639 if (mValueMask.isOff(n)) {
1640 mBuffer[n] = other.mBuffer[n];
1641 mValueMask.setOn(n);
1642 }
1643 }
1644 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
1645 }
1646
1647 template<typename T, Index Log2Dim>
1648 template<MergePolicy Policy>
1649 inline void
1650 LeafNode<T, Log2Dim>::merge(const LeafNode& other,
1651 const ValueType& /*bg*/, const ValueType& /*otherBG*/)
1652 {
1653 this->template merge<Policy>(other);
1654 }
1655
1656 template<typename T, Index Log2Dim>
1657 template<MergePolicy Policy>
1658 inline void
1659 LeafNode<T, Log2Dim>::merge(const ValueType& tileValue, bool tileActive)
1660 {
1661 if (!this->allocate()) return;
1662
1663 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
1664 if (Policy != MERGE_ACTIVE_STATES_AND_NODES) return;
1665 if (!tileActive) return;
1666 // Replace all inactive values with the active tile value.
1667 for (typename NodeMaskType::OffIterator iter = mValueMask.beginOff(); iter; ++iter) {
1668 const Index n = iter.pos();
1669 mBuffer[n] = tileValue;
1670 mValueMask.setOn(n);
1671 }
1672 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
1673 }
1674
1675
1676 template<typename T, Index Log2Dim>
1677 template<typename OtherType>
1678 inline void
1679 LeafNode<T, Log2Dim>::topologyUnion(const LeafNode<OtherType, Log2Dim>& other)
1680 {
1681 mValueMask |= other.valueMask();
1682 }
1683
1684 template<typename T, Index Log2Dim>
1685 template<typename OtherType>
1686 inline void
1687 LeafNode<T, Log2Dim>::topologyIntersection(const LeafNode<OtherType, Log2Dim>& other,
1688 const ValueType&)
1689 {
1690 mValueMask &= other.valueMask();
1691 }
1692
1693 template<typename T, Index Log2Dim>
1694 template<typename OtherType>
1695 inline void
1696 LeafNode<T, Log2Dim>::topologyDifference(const LeafNode<OtherType, Log2Dim>& other,
1697 const ValueType&)
1698 {
1699 mValueMask &= !other.valueMask();
1700 }
1701
1702 template<typename T, Index Log2Dim>
1703 inline void
1704 LeafNode<T, Log2Dim>::negate()
1705 {
1706 if (!this->allocate()) return;
1707
1708 for (Index i = 0; i < SIZE; ++i) {
1709 mBuffer[i] = -mBuffer[i];
1710 }
1711 }
1712
1713
1715
1716
1717 template<typename T, Index Log2Dim>
1718 template<typename CombineOp>
1719 inline void
1720 LeafNode<T, Log2Dim>::combine(const LeafNode& other, CombineOp& op)
1721 {
1722 if (!this->allocate()) return;
1723
1724 CombineArgs<T> args;
1725 for (Index i = 0; i < SIZE; ++i) {
1726 op(args.setARef(mBuffer[i])
1727 .setAIsActive(mValueMask.isOn(i))
1728 .setBRef(other.mBuffer[i])
1729 .setBIsActive(other.valueMask().isOn(i))
1730 .setResultRef(mBuffer[i]));
1731 mValueMask.set(i, args.resultIsActive());
1732 }
1733 }
1734
1735
1736 template<typename T, Index Log2Dim>
1737 template<typename CombineOp>
1738 inline void
1739 LeafNode<T, Log2Dim>::combine(const ValueType& value, bool valueIsActive, CombineOp& op)
1740 {
1741 if (!this->allocate()) return;
1742
1743 CombineArgs<T> args;
1744 args.setBRef(value).setBIsActive(valueIsActive);
1745 for (Index i = 0; i < SIZE; ++i) {
1746 op(args.setARef(mBuffer[i])
1747 .setAIsActive(mValueMask.isOn(i))
1748 .setResultRef(mBuffer[i]));
1749 mValueMask.set(i, args.resultIsActive());
1750 }
1751 }
1752
1753
1755
1756
1757 template<typename T, Index Log2Dim>
1758 template<typename CombineOp, typename OtherType>
1759 inline void
1760 LeafNode<T, Log2Dim>::combine2(const LeafNode& other, const OtherType& value,
1761 bool valueIsActive, CombineOp& op)
1762 {
1763 if (!this->allocate()) return;
1764
1765 CombineArgs<T, OtherType> args;
1766 args.setBRef(value).setBIsActive(valueIsActive);
1767 for (Index i = 0; i < SIZE; ++i) {
1768 op(args.setARef(other.mBuffer[i])
1769 .setAIsActive(other.valueMask().isOn(i))
1770 .setResultRef(mBuffer[i]));
1771 mValueMask.set(i, args.resultIsActive());
1772 }
1773 }
1774
1775
1776 template<typename T, Index Log2Dim>
1777 template<typename CombineOp, typename OtherNodeT>
1778 inline void
1779 LeafNode<T, Log2Dim>::combine2(const ValueType& value, const OtherNodeT& other,
1780 bool valueIsActive, CombineOp& op)
1781 {
1782 if (!this->allocate()) return;
1783
1784 CombineArgs<T, typename OtherNodeT::ValueType> args;
1785 args.setARef(value).setAIsActive(valueIsActive);
1786 for (Index i = 0; i < SIZE; ++i) {
1787 op(args.setBRef(other.mBuffer[i])
1788 .setBIsActive(other.valueMask().isOn(i))
1789 .setResultRef(mBuffer[i]));
1790 mValueMask.set(i, args.resultIsActive());
1791 }
1792 }
1793
1794
1795 template<typename T, Index Log2Dim>
1796 template<typename CombineOp, typename OtherNodeT>
1797 inline void
1798 LeafNode<T, Log2Dim>::combine2(const LeafNode& b0, const OtherNodeT& b1, CombineOp& op)
1799 {
1800 if (!this->allocate()) return;
1801
1802 CombineArgs<T, typename OtherNodeT::ValueType> args;
1803 for (Index i = 0; i < SIZE; ++i) {
1804 mValueMask.set(i, b0.valueMask().isOn(i) || b1.valueMask().isOn(i));
1805 op(args.setARef(b0.mBuffer[i])
1806 .setAIsActive(b0.valueMask().isOn(i))
1807 .setBRef(b1.mBuffer[i])
1808 .setBIsActive(b1.valueMask().isOn(i))
1809 .setResultRef(mBuffer[i]));
1810 mValueMask.set(i, args.resultIsActive());
1811 }
1812 }
1813
1814
1816
1817
1818 template<typename T, Index Log2Dim>
1819 template<typename BBoxOp>
1820 inline void
1821 LeafNode<T, Log2Dim>::visitActiveBBox(BBoxOp& op) const
1822 {
1823 if (op.template descent<LEVEL>()) {
1824 for (ValueOnCIter i=this->cbeginValueOn(); i; ++i) {
1825 #ifdef _MSC_VER
1826 op.operator()<LEVEL>(CoordBBox::createCube(i.getCoord(), 1));
1827 #else
1828 op.template operator()<LEVEL>(CoordBBox::createCube(i.getCoord(), 1));
1829 #endif
1830 }
1831 } else {
1832 #ifdef _MSC_VER
1833 op.operator()<LEVEL>(this->getNodeBoundingBox());
1834 #else
1835 op.template operator()<LEVEL>(this->getNodeBoundingBox());
1836 #endif
1837 }
1838 }
1839
1840
1841 template<typename T, Index Log2Dim>
1842 template<typename VisitorOp>
1843 inline void
1844 LeafNode<T, Log2Dim>::visit(VisitorOp& op)
1845 {
1846 doVisit<LeafNode, VisitorOp, ChildAllIter>(*this, op);
1847 }
1848
1849
1850 template<typename T, Index Log2Dim>
1851 template<typename VisitorOp>
1852 inline void
1853 LeafNode<T, Log2Dim>::visit(VisitorOp& op) const
1854 {
1855 doVisit<const LeafNode, VisitorOp, ChildAllCIter>(*this, op);
1856 }
1857
1858
1859 template<typename T, Index Log2Dim>
1860 template<typename NodeT, typename VisitorOp, typename ChildAllIterT>
1861 inline void
1862 LeafNode<T, Log2Dim>::doVisit(NodeT& self, VisitorOp& op)
1863 {
1864 for (ChildAllIterT iter = self.beginChildAll(); iter; ++iter) {
1865 op(iter);
1866 }
1867 }
1868
1869
1871
1872
1873 template<typename T, Index Log2Dim>
1874 template<typename OtherLeafNodeType, typename VisitorOp>
1875 inline void
1876 LeafNode<T, Log2Dim>::visit2Node(OtherLeafNodeType& other, VisitorOp& op)
1877 {
1878 doVisit2Node<LeafNode, OtherLeafNodeType, VisitorOp, ChildAllIter,
1879 typename OtherLeafNodeType::ChildAllIter>(*this, other, op);
1880 }
1881
1882
1883 template<typename T, Index Log2Dim>
1884 template<typename OtherLeafNodeType, typename VisitorOp>
1885 inline void
1886 LeafNode<T, Log2Dim>::visit2Node(OtherLeafNodeType& other, VisitorOp& op) const
1887 {
1888 doVisit2Node<const LeafNode, OtherLeafNodeType, VisitorOp, ChildAllCIter,
1889 typename OtherLeafNodeType::ChildAllCIter>(*this, other, op);
1890 }
1891
1892
1893 template<typename T, Index Log2Dim>
1894 template<
1895 typename NodeT,
1896 typename OtherNodeT,
1897 typename VisitorOp,
1898 typename ChildAllIterT,
1899 typename OtherChildAllIterT>
1900 inline void
1901 LeafNode<T, Log2Dim>::doVisit2Node(NodeT& self, OtherNodeT& other, VisitorOp& op)
1902 {
1903 // Allow the two nodes to have different ValueTypes, but not different dimensions.
1904 static_assert(OtherNodeT::SIZE == NodeT::SIZE,
1905 "can't visit nodes of different sizes simultaneously");
1906 static_assert(OtherNodeT::LEVEL == NodeT::LEVEL,
1907 "can't visit nodes at different tree levels simultaneously");
1908
1909 ChildAllIterT iter = self.beginChildAll();
1910 OtherChildAllIterT otherIter = other.beginChildAll();
1911
1912 for ( ; iter && otherIter; ++iter, ++otherIter) {
1913 op(iter, otherIter);
1914 }
1915 }
1916
1917
1919
1920
1921 template<typename T, Index Log2Dim>
1922 template<typename IterT, typename VisitorOp>
1923 inline void
1924 LeafNode<T, Log2Dim>::visit2(IterT& otherIter, VisitorOp& op, bool otherIsLHS)
1925 {
1926 doVisit2<LeafNode, VisitorOp, ChildAllIter, IterT>(
1927 *this, otherIter, op, otherIsLHS);
1928 }
1929
1930
1931 template<typename T, Index Log2Dim>
1932 template<typename IterT, typename VisitorOp>
1933 inline void
1934 LeafNode<T, Log2Dim>::visit2(IterT& otherIter, VisitorOp& op, bool otherIsLHS) const
1935 {
1936 doVisit2<const LeafNode, VisitorOp, ChildAllCIter, IterT>(
1937 *this, otherIter, op, otherIsLHS);
1938 }
1939
1940
1941 template<typename T, Index Log2Dim>
1942 template<
1943 typename NodeT,
1944 typename VisitorOp,
1945 typename ChildAllIterT,
1946 typename OtherChildAllIterT>
1947 inline void
1948 LeafNode<T, Log2Dim>::doVisit2(NodeT& self, OtherChildAllIterT& otherIter,
1949 VisitorOp& op, bool otherIsLHS)
1950 {
1951 if (!otherIter) return;
1952
1953 if (otherIsLHS) {
1954 for (ChildAllIterT iter = self.beginChildAll(); iter; ++iter) {
1955 op(otherIter, iter);
1956 }
1957 } else {
1958 for (ChildAllIterT iter = self.beginChildAll(); iter; ++iter) {
1959 op(iter, otherIter);
1960 }
1961 }
1962 }
1963
1964
1966
1967
1968 template<typename T, Index Log2Dim>
1969 inline std::ostream&
1970 operator<<(std::ostream& os, const typename LeafNode<T, Log2Dim>::Buffer& buf)
1971 {
1972 for (Index32 i = 0, N = buf.size(); i < N; ++i) os << buf.mData[i] << ", ";
1973 return os;
1974 }
1975
1976 } // namespace tree
1977 } // namespace OPENVDB_VERSION_NAME
1978 } // namespace openvdb
1979
1980
1982
1983
1984 // Specialization for LeafNodes of type bool
1985 #include "LeafNodeBool.h"
1986
1987 // Specialization for LeafNodes with mask information only
1988 #include "LeafNodeMask.h"
1989
1990 #endif // OPENVDB_TREE_LEAFNODE_HAS_BEEN_INCLUDED
openvdb::v7_0::tree::LeafNode::MaskDenseIterator
typename NodeMaskType::DenseIterator MaskDenseIterator
Definition: LeafNode.h:198
openvdb::v7_0::math::CoordBBox::expand
void expand(ValueType padding)
Pad this bounding box with the specified padding.
Definition: Coord.h:418
openvdb::v7_0::tree::LeafNode::cbeginChildAll
ChildAllCIter cbeginChildAll() const
Definition: LeafNode.h:317
Compression.h
openvdb::v7_0::tree::LeafNode::ValueIter
Definition: LeafNode.h:210
openvdb::v7_0::math::Coord::setY
Coord & setY(Int32 y)
Definition: Coord.h:81
openvdb::v7_0::tree::LeafNode::stealNodes
void stealNodes(ArrayT &, const ValueType &, bool)
Definition: LeafNode.h:717
openvdb::v7_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:535
openvdb::v7_0::tree::LeafNode::probeConstNodeAndCache
const NodeT * probeConstNodeAndCache(const Coord &, AccessorT &) const
Definition: LeafNode.h:751
openvdb::v7_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:448
openvdb::v7_0::tree::LeafBuffer< ValueType, Log2Dim >
openvdb::v7_0::MERGE_NODES
@ MERGE_NODES
Definition: Types.h:507
openvdb::v7_0::tree::LeafNode::merge
void merge(const LeafNode &)
Definition: LeafNode.h:1630
openvdb::v7_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:1036
openvdb::v7_0::tree::LeafNode::negate
void negate()
Definition: LeafNode.h:1704
openvdb::v7_0::tree::LeafNode::isChildMaskOff
bool isChildMaskOff(Index) const
Definition: LeafNode.h:870
openvdb::v7_0::math::CoordBBox::inf
static CoordBBox inf()
Return an "infinite" bounding box, as defined by the Coord value range.
Definition: Coord.h:319
openvdb::v7_0::tree::LeafNode::cbeginChildOff
ChildOffCIter cbeginChildOff() const
Definition: LeafNode.h:314
openvdb::v7_0::tree::LeafNode::setActiveState
void setActiveState(Index offset, bool on)
Set the active state of the voxel at the given offset but don't change its value.
Definition: LeafNode.h:391
openvdb::v7_0::tree::LeafNode::cbeginValueAll
ValueAllCIter cbeginValueAll() const
Definition: LeafNode.h:295
openvdb::v7_0::tree::LeafNode::touchLeafAndCache
LeafNode * touchLeafAndCache(const Coord &, AccessorT &)
Definition: LeafNode.h:729
openvdb::v7_0::tree::LeafNode::beginChildOn
ChildOnIter beginChildOn()
Definition: LeafNode.h:313
openvdb::v7_0::tree::LeafNode::getNodeLog2Dims
static void getNodeLog2Dims(std::vector< Index > &dims)
Append the Log2Dim of this LeafNode to the specified vector.
Definition: LeafNode.h:127
openvdb::v7_0::tree::LeafNode::endChildOff
ChildOffCIter endChildOff() const
Definition: LeafNode.h:325
openvdb::v7_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:1467
openvdb::v7_0::tree::LeafNode::setValuesOff
void setValuesOff()
Mark all voxels as inactive but don't change their values.
Definition: LeafNode.h:464
openvdb::v7_0::math::isApproxEqual
bool isApproxEqual(const Type &a, const Type &b)
Return true if a is equal to b to within the default floating-point comparison tolerance.
Definition: Math.h:351
openvdb::v7_0::tree::LeafNode::stealNode
NodeT * stealNode(const Coord &, const ValueType &, bool)
Definition: LeafNode.h:711
NodeMasks.h
openvdb::v7_0::tree::LeafNode::ChildIter::ChildIter
ChildIter(const MaskIterT &iter, NodeT *parent)
Definition: LeafNode.h:244
Types.h
openvdb::v7_0::tree::LeafNode::DenseIter::unsetItem
void unsetItem(Index pos, const ValueT &value) const
Definition: LeafNode.h:269
openvdb::v7_0::util::NodeMask::beginOn
OnIterator beginOn() const
Definition: NodeMasks.h:333
openvdb::v7_0::tree::LeafNode::offTileCount
static Index64 offTileCount()
Definition: LeafNode.h:144
openvdb::v7_0::io::MappedFile::Ptr
SharedPtr< MappedFile > Ptr
Definition: io.h:136
LeafNodeBool.h
openvdb::v7_0::tree::LeafNode::probeNodeAndCache
NodeT * probeNodeAndCache(const Coord &, AccessorT &)
Definition: LeafNode.h:731
openvdb::v7_0::io::HalfReader
Definition: Compression.h:292
openvdb::v7_0::tree::LeafNode::operator!=
bool operator!=(const LeafNode &other) const
Definition: LeafNode.h:193
openvdb::v7_0::math::Coord
Signed (x, y, z) 32-bit integer coordinates.
Definition: Coord.h:26
openvdb::v7_0::tree::LeafNode::isConstant
bool isConstant(ValueType &firstValue, bool &state, const ValueType &tolerance=zeroVal< ValueType >()) const
Definition: LeafNode.h:1475
openvdb::v7_0::tree::LeafNode::beginChildOff
ChildOffCIter beginChildOff() const
Definition: LeafNode.h:315
openvdb::v7_0::tree::LeafNode::cbeginValueOff
ValueOffCIter cbeginValueOff() const
Definition: LeafNode.h:292
openvdb::v7_0::tree::LeafNode::SIZE
static const Index SIZE
Definition: LeafNode.h:53
openvdb::v7_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:117
openvdb::v7_0::math::Coord::ValueType
Int32 ValueType
Definition: Coord.h:33
openvdb::v7_0::tree::LeafNode::endValueOn
ValueOnIter endValueOn()
Definition: LeafNode.h:301
openvdb::v7_0::tree::LeafNode::setValuesOn
void setValuesOn()
Mark all voxels as active but don't change their values.
Definition: LeafNode.h:462
openvdb::v7_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:421
openvdb::v7_0::tree::LeafNode::doVisit2
static void doVisit2(NodeT &self, OtherChildAllIterT &, VisitorOp &, bool otherIsLHS)
Definition: LeafNode.h:1948
openvdb::v7_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:1220
openvdb::v7_0::tree::SameLeafConfig
Definition: PointDataGrid.h:174
openvdb::v7_0::tree::LeafNode::addTile
void addTile(Index level, const Coord &, const ValueType &, bool)
Definition: LeafNode.h:1580
openvdb::v7_0::tree::LeafNode::visit2
void visit2(IterT &otherIter, VisitorOp &, bool otherIsLHS=false)
Definition: LeafNode.h:1924
openvdb::v7_0::tree::LeafNode::setValueMaskOff
void setValueMaskOff(Index n)
Definition: LeafNode.h:875
openvdb::v7_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:1177
openvdb::v7_0::tree::LeafNode::ChildOff
Definition: LeafNode.h:202
openvdb::v7_0::math::Coord::setZ
Coord & setZ(Int32 z)
Definition: Coord.h:82
openvdb::v7_0::tree::LeafNode::probeNode
NodeT * probeNode(const Coord &)
Definition: LeafNode.h:713
openvdb::v7_0::tree::LeafNode::writeTopology
void writeTopology(std::ostream &os, bool toHalf=false) const
Write out just the topology.
Definition: LeafNode.h:1292
openvdb::v7_0::util::NodeMask::setOn
void setOn(Index32 n)
Set the nth bit on.
Definition: NodeMasks.h:433
openvdb::v7_0::tree::LeafNode::isValueMaskOn
bool isValueMaskOn() const
Definition: LeafNode.h:862
openvdb::v7_0::tree::operator<<
std::ostream & operator<<(std::ostream &os, const typename LeafNode< T, Log2Dim >::Buffer &buf)
Definition: LeafNode.h:1970
openvdb::v7_0::tree::LeafNode::isValueMaskOff
bool isValueMaskOff() const
Definition: LeafNode.h:864
openvdb::v7_0::tree::LeafNode::endValueOff
ValueOffIter endValueOff()
Definition: LeafNode.h:304
openvdb::v7_0::tree::LeafNode::setValueOff
void setValueOff(const Coord &xyz)
Mark the voxel at the given coordinates as inactive but don't change its value.
Definition: LeafNode.h:399
openvdb::v7_0::tree::LeafNode::cendValueAll
ValueAllCIter cendValueAll() const
Definition: LeafNode.h:305
openvdb::v7_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:568
openvdb::v7_0::tree::LeafNode::setOrigin
void setOrigin(const Coord &origin)
Set the grid index coordinates of this node's local origin.
Definition: LeafNode.h:167
openvdb::v7_0::tree::LeafNode::SameConfiguration
SameConfiguration<OtherNodeType>::value is true if and only if OtherNodeType is the type of a LeafNod...
Definition: LeafNode.h:64
openvdb::v7_0::tree::LeafNode::isValueOn
bool isValueOn(Index offset) const
Return true if the voxel at the given offset is active.
Definition: LeafNode.h:469
openvdb::v7_0::tree::LeafNode::topologyDifference
void topologyDifference(const LeafNode< OtherType, Log2Dim > &other, const ValueType &)
Difference this node's set of active values with the active values of the other node,...
Definition: LeafNode.h:1696
openvdb::v7_0::tree::LeafNode::visit2Node
void visit2Node(OtherLeafNodeType &other, VisitorOp &)
Definition: LeafNode.h:1876
openvdb::v7_0::io::writeCompressedValues
void writeCompressedValues(std::ostream &os, ValueT *srcBuf, Index srcCount, const MaskT &valueMask, const MaskT &childMask, bool toHalf)
Definition: Compression.h:645
openvdb::v7_0::math::Coord::y
Int32 y() const
Definition: Coord.h:132
openvdb::v7_0::tree::LeafNode::probeConstLeafAndCache
const LeafNode * probeConstLeafAndCache(const Coord &, AccessorT &) const
Definition: LeafNode.h:746
openvdb::v7_0::tree::LeafNode::valueMask
const NodeMaskType & valueMask() const
Definition: LeafNode.h:867
openvdb::v7_0::tree::LeafNode::offsetToGlobalCoord
Coord offsetToGlobalCoord(Index n) const
Return the global coordinates for a linear table offset.
Definition: LeafNode.h:1050
openvdb::v7_0::CombineArgs::setARef
CombineArgs & setARef(const AValueType &a)
Redirect the A value to a new external source.
Definition: Types.h:620
TestLeafIO
Definition: LeafNode.h:22
openvdb::v7_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:441
openvdb::v7_0::tree::LeafNode::setValueOnly
void setValueOnly(const Coord &xyz, const ValueType &val)
Set the value of the voxel at the given coordinates but don't change its active state.
Definition: LeafNode.h:1119
openvdb::v7_0::tree::LeafNode::nodeCount
void nodeCount(std::vector< Index32 > &) const
no-op
Definition: LeafNode.h:133
openvdb::v7_0::tree::LeafNode::modifyValueAndActiveStateAndCache
void modifyValueAndActiveStateAndCache(const Coord &xyz, const ModifyOp &op, AccessorT &)
Definition: LeafNode.h:566
LeafNodeMask.h
openvdb::v7_0::tree::LeafNode::evalActiveBoundingBox
void evalActiveBoundingBox(CoordBBox &bbox, bool visitVoxels=true) const
Definition: LeafNode.h:1449
openvdb::v7_0::tree::LeafNode::cendChildOff
ChildOffCIter cendChildOff() const
Definition: LeafNode.h:324
openvdb::v7_0::util::OnMaskIterator
Definition: NodeMasks.h:190
openvdb::v7_0::tree::LeafNode::medianOn
Index medianOn(ValueType &value, ValueType *tmp=nullptr) const
Computes the median value of all the active voxels in this node.
Definition: LeafNode.h:1529
openvdb::v7_0::tree::LeafNode::hasActiveTiles
static bool hasActiveTiles()
Return false since leaf nodes never contain tiles.
Definition: LeafNode.h:472
openvdb::v7_0::math::Coord::x
Int32 x() const
Definition: Coord.h:131
openvdb::v7_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:1026
openvdb::v7_0::tree::LeafNode::ValueIter::setItem
void setItem(Index pos, const ValueT &value) const
Definition: LeafNode.h:220
openvdb::v7_0::tree::IteratorBase
Base class for iterators over internal and leaf nodes.
Definition: Iterator.h:30
openvdb::v7_0::tree::LeafNode::skipCompressedValues
void skipCompressedValues(bool seekable, std::istream &, bool fromHalf)
Definition: LeafNode.h:1304
openvdb::v7_0::tree::LeafNode::ChildIter::ChildIter
ChildIter()
Definition: LeafNode.h:243
openvdb::v7_0::tree::LeafNode::dim
static Index dim()
Return the number of voxels in each coordinate dimension.
Definition: LeafNode.h:119
openvdb::v7_0::math::CoordBBox::intersect
void intersect(const CoordBBox &bbox)
Intersect this bounding box with the given bounding box.
Definition: Coord.h:444
openvdb::v7_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:427
openvdb::v7_0::math::negative
T negative(const T &val)
Return the unary negation of the given value.
Definition: Math.h:81
openvdb::v7_0::tree::LeafNode::MaskOnIterator
typename NodeMaskType::OnIterator MaskOnIterator
Definition: LeafNode.h:196
openvdb::v7_0::SharedPtr
std::shared_ptr< T > SharedPtr
Definition: Types.h:91
openvdb::v7_0::tree::LeafNode::setActiveState
void setActiveState(const Coord &xyz, bool on)
Set the active state of the voxel at the given coordinates but don't change its value.
Definition: LeafNode.h:1111
openvdb::v7_0::tree::LeafNode::cendValueOff
ValueOffCIter cendValueOff() const
Definition: LeafNode.h:302
openvdb::v7_0::CombineArgs::resultIsActive
bool resultIsActive() const
Definition: Types.h:631
openvdb::v7_0::tree::LeafNode::getValueMask
NodeMaskType & getValueMask()
Definition: LeafNode.h:866
openvdb::v7_0::math::CoordBBox::reset
void reset()
Definition: Coord.h:327
openvdb::v7_0::tree::LeafNode::getValue
const ValueType & getValue(const Coord &xyz) const
Return the value of the voxel at the given coordinates.
Definition: LeafNode.h:1061
openvdb::v7_0::tree::LeafNode::ValueIter::getValue
ValueT & getValue() const
Definition: LeafNode.h:217
openvdb::v7_0::tree::LeafNode::addLeafAndCache
void addLeafAndCache(LeafNode *, AccessorT &)
Definition: LeafNode.h:709
openvdb::v7_0::tree::LeafNode::setValueOff
void setValueOff(Index offset)
Mark the voxel at the given offset as inactive but don't change its value.
Definition: LeafNode.h:401
openvdb::v7_0::tree::LeafNode::numValues
static Index numValues()
Return the total number of voxels represented by this LeafNode.
Definition: LeafNode.h:123
openvdb::v7_0::tree::LeafNode::probeLeafAndCache
LeafNode * probeLeafAndCache(const Coord &, AccessorT &)
Definition: LeafNode.h:740
openvdb::v7_0::math::CoordBBox
Axis-aligned bounding box of signed integer coordinates.
Definition: Coord.h:249
openvdb::v7_0::tree::LeafNode::beginChildOn
ChildOnCIter beginChildOn() const
Definition: LeafNode.h:312
openvdb::v7_0::tree::LeafNode::beginValueAll
ValueAllIter beginValueAll()
Definition: LeafNode.h:297
openvdb::v7_0::tree::LeafNode::probeConstNode
const NodeT * probeConstNode(const Coord &) const
Definition: LeafNode.h:715
openvdb::v7_0::tree::LeafNode::buffer
const Buffer & buffer() const
Definition: LeafNode.h:337
openvdb::v7_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:1077
openvdb::v7_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:412
openvdb::v7_0::tree::SparseIteratorBase
Base class for sparse iterators over internal and leaf nodes.
Definition: Iterator.h:115
openvdb::v7_0::tree::LeafNode::endValueAll
ValueAllIter endValueAll()
Definition: LeafNode.h:307
openvdb::v7_0::tree::LeafNode::size
static Index size()
Return the total number of voxels represented by this LeafNode.
Definition: LeafNode.h:121
openvdb::v7_0::tree::DenseIteratorBase::NonConstValueType
typename std::remove_const< UnsetItemT >::type NonConstValueType
Definition: Iterator.h:184
openvdb::v7_0::tree::LeafNode::isChildMaskOn
bool isChildMaskOn(Index) const
Definition: LeafNode.h:869
openvdb::v7_0::tree::LeafNode::cbeginChildOn
ChildOnCIter cbeginChildOn() const
Definition: LeafNode.h:311
openvdb::v7_0::tree::LeafNode::offVoxelCount
Index64 offVoxelCount() const
Return the number of voxels marked Off.
Definition: LeafNode.h:140
openvdb::v7_0::util::DenseMaskIterator
Definition: NodeMasks.h:252
openvdb::v7_0::util::OffMaskIterator
Definition: NodeMasks.h:221
openvdb::v7_0::tree::LeafNode::cendChildAll
ChildAllCIter cendChildAll() const
Definition: LeafNode.h:327
openvdb::v7_0::tree::LeafNode::beginChildAll
ChildAllIter beginChildAll()
Definition: LeafNode.h:319
openvdb::v7_0::io::getDataCompression
OPENVDB_API uint32_t getDataCompression(std::ios_base &)
Return a bitwise OR of compression option flags (COMPRESS_ZIP, COMPRESS_ACTIVE_MASK,...
openvdb::v7_0::tree::LeafNode::beginChildAll
ChildAllCIter beginChildAll() const
Definition: LeafNode.h:318
openvdb::v7_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:400
openvdb::v7_0::tree::LeafNode::DenseIter
Definition: LeafNode.h:251
openvdb::v7_0::math::CoordBBox::translate
void translate(const Coord &t)
Translate this bounding box by (tx, ty, tz).
Definition: Coord.h:458
openvdb::v7_0::tree::LeafNode::endChildOn
ChildOnCIter endChildOn() const
Definition: LeafNode.h:322
openvdb::v7_0::io::getStreamMetadataPtr
OPENVDB_API SharedPtr< StreamMetadata > getStreamMetadataPtr(std::ios_base &)
Return a shared pointer to an object that stores metadata (file format, compression scheme,...
openvdb::v7_0::tree::LeafNode::Ptr
SharedPtr< LeafNode > Ptr
Definition: LeafNode.h:45
openvdb::v7_0::tree::LeafNode::probeLeaf
LeafNode * probeLeaf(const Coord &)
Definition: LeafNode.h:738
openvdb::v7_0::math::CoordBBox::createCube
static CoordBBox createCube(const Coord &min, ValueType dim)
Definition: Coord.h:313
openvdb::v7_0::tree::LeafNode::setValueOn
void setValueOn(const Coord &xyz)
Mark the voxel at the given coordinates as active but don't change its value.
Definition: LeafNode.h:409
openvdb::v7_0::tree::LeafNode::addLeaf
void addLeaf(LeafNode *)
Definition: LeafNode.h:707
openvdb::v7_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:1247
openvdb::v7_0::tree::LeafNode::endValueOff
ValueOffCIter endValueOff() const
Definition: LeafNode.h:303
openvdb::v7_0::tree::LeafNode::isChildMaskOff
bool isChildMaskOff() const
Definition: LeafNode.h:871
openvdb::v7_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:540
openvdb::v7_0::tree::LeafNode::setValueMask
void setValueMask(const NodeMaskType &mask)
Definition: LeafNode.h:868
openvdb::v7_0::tree::LeafNode::operator=
LeafNode & operator=(const LeafNode &)=default
Deep assignment operator.
openvdb::v7_0::tree::LeafNode::isValueMaskOff
bool isValueMaskOff(Index n) const
Definition: LeafNode.h:863
openvdb::v7_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:1137
openvdb::v7_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:417
openvdb::v7_0::tree::LeafNode::isEmpty
bool isEmpty() const
Return true if this node has no active voxels.
Definition: LeafNode.h:146
openvdb::v7_0::tree::LeafNode::MaskOffIterator
typename NodeMaskType::OffIterator MaskOffIterator
Definition: LeafNode.h:197
openvdb::v7_0::util::NodeMask
Bit mask for the internal and leaf nodes of VDB. This is a 64-bit implementation.
Definition: NodeMasks.h:289
openvdb::v7_0::io::readCompressedValues
void readCompressedValues(std::istream &is, ValueT *destBuf, Index destCount, const MaskT &valueMask, bool fromHalf)
Definition: Compression.h:465
openvdb::v7_0::tree::LeafNode::medianAll
ValueType medianAll(ValueType *tmp=nullptr) const
Computes the median value of all the active AND inactive voxels in this node.
Definition: LeafNode.h:1511
openvdb::v7_0::math::operator==
bool operator==(const Vec3< T0 > &v0, const Vec3< T1 > &v1)
Equality operator, does exact floating point comparisons.
Definition: Vec3.h:471
openvdb::v7_0::tree::LeafNode::BuildType
T BuildType
Definition: LeafNode.h:40
openvdb::v7_0::TopologyCopy
Tag dispatch class that distinguishes topology copy constructors from deep copy constructors.
Definition: Types.h:681
openvdb::v7_0::tree::LeafNode::DenseIter::getItem
bool getItem(Index pos, void *&child, NonConstValueT &value) const
Definition: LeafNode.h:258
openvdb::v7_0::tree::LeafBuffer::mData
ValueType * mData
Definition: LeafBuffer.h:169
openvdb::v7_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:574
openvdb::v7_0::tree::LeafNode::visit
void visit(VisitorOp &)
Definition: LeafNode.h:1844
openvdb::v7_0::math::CoordBBox::max
const Coord & max() const
Definition: Coord.h:322
openvdb::v7_0::tree::LeafNode::readTopology
void readTopology(std::istream &is, bool fromHalf=false)
Read in just the topology.
Definition: LeafNode.h:1284
openvdb::v7_0::tree::LeafNode::operator==
bool operator==(const LeafNode &other) const
Check for buffer, state and origin equivalence.
Definition: LeafNode.h:1429
openvdb::v7_0::tree::LeafNode::getFirstValue
const ValueType & getFirstValue() const
Return a const reference to the first value in the buffer.
Definition: LeafNode.h:617
openvdb::v7_0::math::CoordBBox::min
const Coord & min() const
Definition: Coord.h:321
openvdb::v7_0::tree::LeafNode::DenseIter::NonConstValueT
typename BaseT::NonConstValueType NonConstValueT
Definition: LeafNode.h:253
openvdb::v7_0::tree::LeafNode::isDense
bool isDense() const
Return true if this node contains only active voxels.
Definition: LeafNode.h:148
OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
#define OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
SIMD Intrinsic Headers.
Definition: Platform.h:114
openvdb::v7_0::tree::LeafNode::cendChildOn
ChildOnCIter cendChildOn() const
Definition: LeafNode.h:321
openvdb::v7_0::tree::LeafNode
Templated block class to hold specific data types and a fixed number of values determined by Log2Dim....
Definition: LeafNode.h:38
openvdb::v7_0::math::Coord::z
Int32 z() const
Definition: Coord.h:133
openvdb::v7_0::CombineArgs
This struct collects both input and output arguments to "grid combiner" functors used with the tree::...
Definition: Types.h:568
openvdb::v7_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:419
openvdb::v7_0::tree::LeafNode::probeLeaf
const LeafNode * probeLeaf(const Coord &) const
Definition: LeafNode.h:749
Iterator.h
openvdb::v7_0::tree::LeafNode::ValueOff
Definition: LeafNode.h:201
openvdb::v7_0::tree::LeafNode::DenseIter::DenseIter
DenseIter()
Definition: LeafNode.h:255
openvdb::v7_0::OPENVDB_FILE_VERSION_NODE_MASK_COMPRESSION
@ OPENVDB_FILE_VERSION_NODE_MASK_COMPRESSION
Definition: version.h:195
OPENVDB_USE_VERSION_NAMESPACE
#define OPENVDB_USE_VERSION_NAMESPACE
Definition: version.h:154
openvdb::v7_0::tree::LeafNode::onVoxelCount
Index64 onVoxelCount() const
Return the number of voxels marked On.
Definition: LeafNode.h:138
openvdb::v7_0::tree::LeafNode::getLevel
static Index getLevel()
Return the level of this node, which by definition is zero for LeafNodes.
Definition: LeafNode.h:125
LeafBuffer.h
openvdb::v7_0::tree::LeafNode::getValueLevel
static Index getValueLevel(const Coord &)
Return the level (i.e., 0) at which leaf node values reside.
Definition: LeafNode.h:386
openvdb::v7_0::tree::LeafNode::endChildAll
ChildAllCIter endChildAll() const
Definition: LeafNode.h:328
openvdb::v7_0::tree::LeafNode::beginChildOff
ChildOffIter beginChildOff()
Definition: LeafNode.h:316
openvdb::v7_0::tree::LeafNode::ValueOn
Definition: LeafNode.h:201
openvdb::v7_0::tree::LeafNode::offLeafVoxelCount
Index64 offLeafVoxelCount() const
Definition: LeafNode.h:142
openvdb::v7_0::tree::LeafNode::endValueAll
ValueAllCIter endValueAll() const
Definition: LeafNode.h:306
openvdb::v7_0::tree::LeafNode::beginValueOn
ValueOnCIter beginValueOn() const
Definition: LeafNode.h:290
openvdb::v7_0::tree::LeafNode::str
std::string str() const
Return a string representation of this node.
Definition: LeafNode.h:1013
openvdb::v7_0::util::NodeMask::beginOff
OffIterator beginOff() const
Definition: NodeMasks.h:335
openvdb::v7_0::tree::LeafNode::ValueAll
Definition: LeafNode.h:201
openvdb::v7_0::tree::LeafNode::getValueMask
const NodeMaskType & getValueMask() const
Definition: LeafNode.h:865
openvdb::v7_0::tree::LeafNode::cbeginValueOn
ValueOnCIter cbeginValueOn() const
Definition: LeafNode.h:289
openvdb::v7_0::tree::LeafNode::getLastValue
const ValueType & getLastValue() const
Return a const reference to the last value in the buffer.
Definition: LeafNode.h:619
openvdb::v7_0::tree::LeafNode::ValueIter::getItem
ValueT & getItem(Index pos) const
Definition: LeafNode.h:216
openvdb::v7_0::tree::LeafNode::leafCount
static Index32 leafCount()
Return the leaf count for this node, which is one.
Definition: LeafNode.h:131
openvdb::v7_0::util::NodeMask::isOn
bool isOn(Index32 n) const
Return true if the nth bit is on.
Definition: NodeMasks.h:483
openvdb::v7_0::tools::prune
void prune(TreeT &tree, typename TreeT::ValueType tolerance=zeroVal< typename TreeT::ValueType >(), bool threaded=true, size_t grainSize=1)
Reduce the memory footprint of a tree by replacing with tiles any nodes whose values are all the same...
Definition: Prune.h:334
openvdb::v7_0::tools::composite::min
const std::enable_if<!VecTraits< T >::IsVec, T >::type & min(const T &a, const T &b)
Definition: Composite.h:102
openvdb::v7_0::tree::LeafNode::memUsage
Index64 memUsage() const
Return the memory in bytes occupied by this node.
Definition: LeafNode.h:1439
openvdb::v7_0::io::getFormatVersion
OPENVDB_API uint32_t getFormatVersion(std::ios_base &)
Return the file format version number associated with the given input stream.
openvdb::v7_0::tree::LeafNode::isValueMaskOn
bool isValueMaskOn(Index n) const
Definition: LeafNode.h:861
openvdb::v7_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:1821
openvdb::v7_0::util::BaseMaskIterator::pos
Index32 pos() const
Definition: NodeMasks.h:181
openvdb::v7_0::tree::SparseIteratorBase< MaskIterT, ChildIter< MaskIterT, NodeT, TagT >, NodeT, ValueType >::ValueType
ValueType ValueType
Definition: Iterator.h:117
openvdb::v7_0::tools::clip
GridType::Ptr clip(const GridType &grid, const BBoxd &bbox, bool keepInterior=true)
Clip the given grid against a world-space bounding box and return a new grid containing the result.
Definition: Clip.h:348
openvdb::v7_0::tree::LeafNode::beginValueOn
ValueOnIter beginValueOn()
Definition: LeafNode.h:291
openvdb::v7_0::math::Coord::setX
Coord & setX(Int32 x)
Definition: Coord.h:80
openvdb::v7_0::tree::LeafNode::ValueIter::ValueIter
ValueIter()
Definition: LeafNode.h:213
openvdb::v7_0::Index
Index32 Index
Definition: Types.h:31
openvdb::v7_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::v7_0::tree::LeafNode::~LeafNode
~LeafNode()
Destructor.
Definition: LeafNode.h:1006
openvdb::v7_0::tree::LeafNode::ValueIter::modifyValue
void modifyValue(const ModifyOp &op) const
Definition: LeafNode.h:235
openvdb::v7_0::io::getMappedFilePtr
OPENVDB_API SharedPtr< MappedFile > getMappedFilePtr(std::ios_base &)
Return a shared pointer to the memory-mapped file with which the given stream is associated,...
openvdb::v7_0::tree::LeafNode::getChildDim
static Index getChildDim()
Return the dimension of child nodes of this LeafNode, which is one for voxels.
Definition: LeafNode.h:129
openvdb::v7_0::tree::LeafNode::combine2
void combine2(const LeafNode &other, const OtherType &, bool valueIsActive, CombineOp &)
Definition: LeafNode.h:1760
openvdb::v7_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:592
OPENVDB_VERSION_NAME
#define OPENVDB_VERSION_NAME
The version namespace name for this library version.
Definition: version.h:102
openvdb::v7_0::MERGE_ACTIVE_STATES_AND_NODES
@ MERGE_ACTIVE_STATES_AND_NODES
Definition: Types.h:508
openvdb::v7_0::tree::LeafNode::ValueIter::ValueIter
ValueIter(const MaskIterT &iter, NodeT *parent)
Definition: LeafNode.h:214
openvdb::v7_0::tree::DenseIteratorBase
Base class for dense iterators over internal and leaf nodes.
Definition: Iterator.h:179
openvdb::v7_0::tree::LeafNode::ChildIter
Leaf nodes have no children, so their child iterators have no get/set accessors.
Definition: LeafNode.h:242
openvdb::v7_0::tree::LeafNode::swap
void swap(Buffer &other)
Exchange this node's data buffer with the given data buffer without changing the active states of the...
Definition: LeafNode.h:336
openvdb::v7_0::tree::LeafNode::beginValueOff
ValueOffCIter beginValueOff() const
Definition: LeafNode.h:293
openvdb::v7_0::tree::LeafNode::endChildAll
ChildAllIter endChildAll()
Definition: LeafNode.h:329
openvdb::v7_0::tree::LeafNode::LeafNode
friend class LeafNode
Definition: LeafNode.h:844
OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
#define OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
Definition: Platform.h:115
openvdb::v7_0::tree::LeafNode::doVisit2Node
static void doVisit2Node(NodeT &self, OtherNodeT &other, VisitorOp &)
Definition: LeafNode.h:1901
openvdb::v7_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:59
openvdb::v7_0::tree::LeafNode::readBuffers
void readBuffers(std::istream &is, bool fromHalf=false)
Read buffers from a stream.
Definition: LeafNode.h:1320
openvdb::v7_0::tree::LeafNode::writeBuffers
void writeBuffers(std::ostream &os, bool toHalf=false) const
Write buffers to a stream.
Definition: LeafNode.h:1412
openvdb::v7_0::tree::LeafNode::buffer
Buffer & buffer()
Definition: LeafNode.h:338
openvdb::v7_0::Index32
uint32_t Index32
Definition: Types.h:29
openvdb::v7_0::tree::LeafNode::cendValueOn
ValueOnCIter cendValueOn() const
Definition: LeafNode.h:299
openvdb::v7_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:583
openvdb::v7_0::tree::LeafNode::ValueIter::modifyItem
void modifyItem(Index n, const ModifyOp &op) const
Definition: LeafNode.h:232
openvdb::v7_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:558
openvdb::v7_0::tree::LeafNode::endChildOn
ChildOnIter endChildOn()
Definition: LeafNode.h:323
openvdb::v7_0::tree::LeafNode::medianOff
Index medianOff(ValueType &value, ValueType *tmp=nullptr) const
Computes the median value of all the inactive voxels in this node.
Definition: LeafNode.h:1553
openvdb::v7_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:413
openvdb::v7_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:164
openvdb::v7_0::tree::LeafNode::isAllocated
bool isAllocated() const
Return true if memory for this node's buffer has been allocated.
Definition: LeafNode.h:150
openvdb::v7_0::tree::LeafNode::getNodes
void getNodes(ArrayT &) const
Definition: LeafNode.h:716
openvdb::v7_0::PartialCreate
Tag dispatch class that distinguishes constructors during file input.
Definition: Types.h:683
openvdb::v7_0::tree::LeafNode::allocate
bool allocate()
Allocate memory for this node's buffer if it has not already been allocated.
Definition: LeafNode.h:152
openvdb::v7_0::tree::LeafNode::ChildOn
Definition: LeafNode.h:202
openvdb::v7_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:880
openvdb::v7_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:549
openvdb::v7_0::tree::LeafNode::onTileCount
static Index64 onTileCount()
Definition: LeafNode.h:143
openvdb::v7_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:1609
openvdb::v7_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:527
openvdb
Definition: Exceptions.h:13
openvdb::v7_0::Int32
int32_t Int32
Definition: Types.h:33
openvdb::v7_0::tree::LeafNode::nonLeafCount
static Index32 nonLeafCount()
Return the non-leaf count for this node, which is zero.
Definition: LeafNode.h:135
openvdb::v7_0::io::COMPRESS_ZIP
@ COMPRESS_ZIP
Definition: Compression.h:54
openvdb::v7_0::tree::LeafNode::onLeafVoxelCount
Index64 onLeafVoxelCount() const
Definition: LeafNode.h:141
openvdb::v7_0::tree::LeafNode::topologyIntersection
void topologyIntersection(const LeafNode< OtherType, Log2Dim > &other, const ValueType &)
Intersect this node's set of active values with the active values of the other node,...
Definition: LeafNode.h:1687
openvdb::v7_0::tree::LeafNode::getOrigin
void getOrigin(Coord &origin) const
Definition: LeafNode.h:171
openvdb::v7_0::tree::LeafNode::ValueIter::setValue
void setValue(const ValueT &value) const
Definition: LeafNode.h:225
openvdb::v7_0::Index64
uint64_t Index64
Definition: Types.h:30
openvdb::v7_0::tree::LeafNode::endChildOff
ChildOffIter endChildOff()
Definition: LeafNode.h:326
openvdb::v7_0::tree::LeafNode::setValueOn
void setValueOn(Index offset)
Mark the voxel at the given offset as active but don't change its value.
Definition: LeafNode.h:411
openvdb::v7_0::tree::LeafNode::isInactive
bool isInactive() const
Return true if all of this node's values are inactive.
Definition: LeafNode.h:836
openvdb::v7_0::tree::LeafNode::combine
void combine(const LeafNode &other, CombineOp &op)
Definition: LeafNode.h:1720
openvdb::v7_0::tree::LeafNode::beginValueOff
ValueOffIter beginValueOff()
Definition: LeafNode.h:294
openvdb::v7_0::tree::LeafNode::beginValueAll
ValueAllCIter beginValueAll() const
Definition: LeafNode.h:296
openvdb::v7_0::tree::LeafNode::addTileAndCache
void addTileAndCache(Index, const Coord &, const ValueType &, bool, AccessorT &)
Definition: LeafNode.h:1597
openvdb::v7_0::tree::LeafNode::setValueMask
void setValueMask(Index n, bool on)
Definition: LeafNode.h:873
openvdb::v7_0::tree::LeafNode::setValueMaskOn
void setValueMaskOn(Index n)
Definition: LeafNode.h:874
openvdb::v7_0::tree::LeafNode::ValueType
T ValueType
Definition: LeafNode.h:41
openvdb::v7_0::tree::LeafNode::isValueOn
bool isValueOn(const Coord &xyz) const
Return true if the voxel at the given coordinates is active.
Definition: LeafNode.h:467
openvdb::v7_0::tree::LeafNode::DenseIter::DenseIter
DenseIter(const MaskDenseIterator &iter, NodeT *parent)
Definition: LeafNode.h:256
openvdb::v7_0::tree::LeafNode::probeLeafAndCache
const LeafNode * probeLeafAndCache(const Coord &, AccessorT &) const
Definition: LeafNode.h:748
openvdb::v7_0::tree::LeafNode::voxelizeActiveTiles
void voxelizeActiveTiles(bool=true)
No-op.
Definition: LeafNode.h:629
openvdb::v7_0::tree::LeafBuffer::size
static Index size()
Return the number of values contained in this buffer.
Definition: LeafBuffer.h:135
openvdb::v7_0::tree::LeafNode::streamingSize
size_t streamingSize(bool toHalf=false) const
openvdb::v7_0::CombineArgs::setBRef
CombineArgs & setBRef(const BValueType &b)
Redirect the B value to a new external source.
Definition: Types.h:622
openvdb::v7_0::tree::LeafNode::getValueLevelAndCache
static Index getValueLevelAndCache(const Coord &, AccessorT &)
Return the LEVEL (=0) at which leaf node values reside.
Definition: LeafNode.h:612
openvdb::v7_0::tree::LeafNode::endValueOn
ValueOnCIter endValueOn() const
Definition: LeafNode.h:300
openvdb::v7_0::tree::LeafNode::topologyUnion
void topologyUnion(const LeafNode< OtherType, Log2Dim > &other)
Union this node's set of active values with the active values of the other node, whose ValueType may ...
Definition: LeafNode.h:1679
openvdb::v7_0::tree::LeafNode::doVisit
static void doVisit(NodeT &, VisitorOp &)
Definition: LeafNode.h:1862
openvdb::v7_0::tree::LeafNode::denseFill
void denseFill(const CoordBBox &bbox, const ValueType &value, bool active=true)
Set all voxels within an axis-aligned box to the specified value and active state.
Definition: LeafNode.h:480
openvdb::v7_0::tree::LeafNode::getOrigin
void getOrigin(Int32 &x, Int32 &y, Int32 &z) const
Definition: LeafNode.h:172
openvdb::v7_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:601