OpenVDB: openvdb/tree/LeafNodeMask.h Source File

OpenVDB 11.0.0

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LeafNodeMask.h
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1// Copyright Contributors to the OpenVDB Project
2// SPDX-License-Identifier: MPL-2.0
3
4#ifndef OPENVDB_TREE_LEAF_NODE_MASK_HAS_BEEN_INCLUDED
5#define OPENVDB_TREE_LEAF_NODE_MASK_HAS_BEEN_INCLUDED
6
7#include <openvdb/version.h>
8#include <openvdb/Types.h>
9#include <openvdb/io/Compression.h> // for io::readData(), etc.
10#include <openvdb/math/Math.h> // for math::isZero()
11#include <openvdb/util/NodeMasks.h>
12#include "LeafNode.h"
13#include "Iterator.h"
14#include <iostream>
15#include <sstream>
16#include <string>
17#include <type_traits>
18#include <vector>
19
20
21namespace openvdb {
22 OPENVDB_USE_VERSION_NAMESPACE
23namespace OPENVDB_VERSION_NAME {
24namespace tree {
25
26/// @brief LeafNode specialization for values of type ValueMask that encodes both
27/// the active states and the boolean values of (2^Log2Dim)^3 voxels
28/// in a single bit mask, i.e. voxel values and states are indistinguishable!
29template<Index Log2Dim>
30 class LeafNode<ValueMask, Log2Dim>
31{
32public:
33 using LeafNodeType = LeafNode<ValueMask, Log2Dim>;
34 using BuildType = ValueMask;// this is a rare case where
35 using ValueType = bool;// value type != build type
36 using Buffer = LeafBuffer<ValueType, Log2Dim>;// buffer uses the bool specialization
37 using NodeMaskType = util::NodeMask<Log2Dim>;
38 using Ptr = SharedPtr<LeafNodeType>;
39
40 // These static declarations must be on separate lines to avoid VC9 compiler errors.
41 static const Index LOG2DIM = Log2Dim; // needed by parent nodes
42 static const Index TOTAL = Log2Dim; // needed by parent nodes
43 static const Index DIM = 1 << TOTAL; // dimension along one coordinate direction
44 static const Index NUM_VALUES = 1 << 3 * Log2Dim;
45 static const Index NUM_VOXELS = NUM_VALUES; // total number of voxels represented by this node
46 static const Index SIZE = NUM_VALUES;
47 static const Index LEVEL = 0; // level 0 = leaf
48
49 /// @brief ValueConverter<T>::Type is the type of a LeafNode having the same
50 /// dimensions as this node but a different value type, T.
51 template<typename OtherValueType>
52 struct ValueConverter { using Type = LeafNode<OtherValueType, Log2Dim>; };
53
54 /// @brief SameConfiguration<OtherNodeType>::value is @c true if and only if
55 /// OtherNodeType is the type of a LeafNode with the same dimensions as this node.
56 template<typename OtherNodeType>
57 struct SameConfiguration {
58 static const bool value = SameLeafConfig<LOG2DIM, OtherNodeType>::value;
59 };
60
61 /// Default constructor
62 LeafNode();
63
64 /// Constructor
65 /// @param xyz the coordinates of a voxel that lies within the node
66 /// @param value the initial value = state for all of this node's voxels
67 /// @param dummy dummy value
68 explicit LeafNode(const Coord& xyz, bool value = false, bool dummy = false);
69
70 /// "Partial creation" constructor used during file input
71 LeafNode(PartialCreate, const Coord& xyz, bool value = false, bool dummy = false);
72
73 /// Deep copy constructor
74 LeafNode(const LeafNode&);
75
76 /// Value conversion copy constructor
77 template<typename OtherValueType>
78 explicit LeafNode(const LeafNode<OtherValueType, Log2Dim>& other);
79
80 /// Topology copy constructor
81 template<typename ValueType>
82 LeafNode(const LeafNode<ValueType, Log2Dim>& other, TopologyCopy);
83
84 //@{
85 /// @brief Topology copy constructor
86 /// @note This variant exists mainly to enable template instantiation.
87 template<typename ValueType>
88 LeafNode(const LeafNode<ValueType, Log2Dim>& other, bool offValue, bool onValue, TopologyCopy);
89 template<typename ValueType>
90 LeafNode(const LeafNode<ValueType, Log2Dim>& other, bool background, TopologyCopy);
91 //@}
92
93 /// Destructor
94 ~LeafNode();
95
96 //
97 // Statistics
98 //
99 /// Return log2 of the size of the buffer storage.
100 static Index log2dim() { return Log2Dim; }
101 /// Return the number of voxels in each dimension.
102 static Index dim() { return DIM; }
103 /// Return the total number of voxels represented by this LeafNode
104 static Index size() { return SIZE; }
105 /// Return the total number of voxels represented by this LeafNode
106 static Index numValues() { return SIZE; }
107 /// Return the level of this node, which by definition is zero for LeafNodes
108 static Index getLevel() { return LEVEL; }
109 /// Append the Log2Dim of this LeafNode to the specified vector
110 static void getNodeLog2Dims(std::vector<Index>& dims) { dims.push_back(Log2Dim); }
111 /// Return the dimension of child nodes of this LeafNode, which is one for voxels.
112 static Index getChildDim() { return 1; }
113 /// Return the leaf count for this node, which is one.
114 static Index32 leafCount() { return 1; }
115 /// no-op
116 void nodeCount(std::vector<Index32> &) const {}
117 /// Return the non-leaf count for this node, which is zero.
118 static Index32 nonLeafCount() { return 0; }
119
120 /// Return the number of active voxels.
121 Index64 onVoxelCount() const { return mBuffer.mData.countOn(); }
122 /// Return the number of inactive voxels.
123 Index64 offVoxelCount() const { return mBuffer.mData.countOff(); }
124 Index64 onLeafVoxelCount() const { return this->onVoxelCount(); }
125 Index64 offLeafVoxelCount() const { return this->offVoxelCount(); }
126 static Index64 onTileCount() { return 0; }
127 static Index64 offTileCount() { return 0; }
128
129 /// Return @c true if this node has no active voxels.
130 bool isEmpty() const { return mBuffer.mData.isOff(); }
131 /// Return @c true if this node only contains active voxels.
132 bool isDense() const { return mBuffer.mData.isOn(); }
133 /// @brief Return @c true if memory for this node's buffer has been allocated.
134 /// @details Currently, boolean leaf nodes don't support partial creation,
135 /// so this always returns @c true.
136 bool isAllocated() const { return true; }
137 /// @brief Allocate memory for this node's buffer if it has not already been allocated.
138 /// @details Currently, boolean leaf nodes don't support partial creation,
139 /// so this has no effect.
140 bool allocate() { return true; }
141
142 /// Return the memory in bytes occupied by this node.
143 Index64 memUsage() const;
144 Index64 memUsageIfLoaded() const;
145
146 /// Expand the given bounding box so that it includes this leaf node's active voxels.
147 /// If visitVoxels is false this LeafNode will be approximated as dense, i.e. with all
148 /// voxels active. Else the individual active voxels are visited to produce a tight bbox.
149 void evalActiveBoundingBox(CoordBBox& bbox, bool visitVoxels = true) const;
150
151 /// @brief Return the bounding box of this node, i.e., the full index space
152 /// spanned by this leaf node.
153 CoordBBox getNodeBoundingBox() const { return CoordBBox::createCube(mOrigin, DIM); }
154
155 /// Set the grid index coordinates of this node's local origin.
156 void setOrigin(const Coord& origin) { mOrigin = origin; }
157 //@{
158 /// Return the grid index coordinates of this node's local origin.
159 const Coord& origin() const { return mOrigin; }
160 void getOrigin(Coord& origin) const { origin = mOrigin; }
161 void getOrigin(Int32& x, Int32& y, Int32& z) const { mOrigin.asXYZ(x, y, z); }
162 //@}
163
164 /// Return the linear table offset of the given global or local coordinates.
165 static Index coordToOffset(const Coord& xyz);
166 /// @brief Return the local coordinates for a linear table offset,
167 /// where offset 0 has coordinates (0, 0, 0).
168 static Coord offsetToLocalCoord(Index n);
169 /// Return the global coordinates for a linear table offset.
170 Coord offsetToGlobalCoord(Index n) const;
171
172 /// Return the transient data value.
173 Index32 transientData() const { return mTransientData; }
174 /// Set the transient data value.
175 void setTransientData(Index32 transientData) { mTransientData = transientData; }
176
177 /// Return a string representation of this node.
178 std::string str() const;
179
180 /// @brief Return @c true if the given node (which may have a different @c ValueType
181 /// than this node) has the same active value topology as this node.
182 template<typename OtherType, Index OtherLog2Dim>
183 bool hasSameTopology(const LeafNode<OtherType, OtherLog2Dim>* other) const;
184
185 /// Check for buffer equivalence by value.
186 bool operator==(const LeafNode&) const;
187 bool operator!=(const LeafNode&) const;
188
189 //
190 // Buffer management
191 //
192 /// @brief Exchange this node's data buffer with the given data buffer
193 /// without changing the active states of the values.
194 void swap(Buffer& other) { mBuffer.swap(other); }
195 const Buffer& buffer() const { return mBuffer; }
196 Buffer& buffer() { return mBuffer; }
197
198 //
199 // I/O methods
200 //
201 /// Read in just the topology.
202 void readTopology(std::istream&, bool fromHalf = false);
203 /// Write out just the topology.
204 void writeTopology(std::ostream&, bool toHalf = false) const;
205
206 /// Read in the topology and the origin.
207 void readBuffers(std::istream&, bool fromHalf = false);
208 void readBuffers(std::istream& is, const CoordBBox&, bool fromHalf = false);
209 /// Write out the topology and the origin.
210 void writeBuffers(std::ostream&, bool toHalf = false) const;
211
212 //
213 // Accessor methods
214 //
215 /// Return the value of the voxel at the given coordinates.
216 const bool& getValue(const Coord& xyz) const;
217 /// Return the value of the voxel at the given offset.
218 const bool& getValue(Index offset) const;
219
220 /// @brief Return @c true if the voxel at the given coordinates is active.
221 /// @param xyz the coordinates of the voxel to be probed
222 /// @param[out] val the value of the voxel at the given coordinates
223 bool probeValue(const Coord& xyz, bool& val) const;
224
225 /// Return the level (0) at which leaf node values reside.
226 static Index getValueLevel(const Coord&) { return LEVEL; }
227
228 /// Set the active state of the voxel at the given coordinates but don't change its value.
229 void setActiveState(const Coord& xyz, bool on);
230 /// Set the active state of the voxel at the given offset but don't change its value.
231 void setActiveState(Index offset, bool on) { assert(offset<SIZE); mBuffer.mData.set(offset, on); }
232
233 /// Set the value of the voxel at the given coordinates but don't change its active state.
234 void setValueOnly(const Coord& xyz, bool val);
235 /// Set the value of the voxel at the given offset but don't change its active state.
236 void setValueOnly(Index offset, bool val) { assert(offset<SIZE); mBuffer.setValue(offset,val); }
237
238 /// Mark the voxel at the given coordinates as inactive but don't change its value.
239 void setValueOff(const Coord& xyz) { mBuffer.mData.setOff(this->coordToOffset(xyz)); }
240 /// Mark the voxel at the given offset as inactive but don't change its value.
241 void setValueOff(Index offset) { assert(offset < SIZE); mBuffer.mData.setOff(offset); }
242
243 /// Set the value of the voxel at the given coordinates and mark the voxel as inactive.
244 void setValueOff(const Coord& xyz, bool val);
245 /// Set the value of the voxel at the given offset and mark the voxel as inactive.
246 void setValueOff(Index offset, bool val);
247
248 /// Mark the voxel at the given coordinates as active but don't change its value.
249 void setValueOn(const Coord& xyz) { mBuffer.mData.setOn(this->coordToOffset(xyz)); }
250 /// Mark the voxel at the given offset as active but don't change its value.
251 void setValueOn(Index offset) { assert(offset < SIZE); mBuffer.mData.setOn(offset); }
252
253 /// Set the value of the voxel at the given coordinates and mark the voxel as active.
254 void setValueOn(const Coord& xyz, bool val);
255 /// Set the value of the voxel at the given coordinates and mark the voxel as active.
256 void setValue(const Coord& xyz, bool val) { this->setValueOn(xyz, val); }
257 /// Set the value of the voxel at the given offset and mark the voxel as active.
258 void setValueOn(Index offset, bool val);
259
260 /// @brief Apply a functor to the value of the voxel at the given offset
261 /// and mark the voxel as active.
262 template<typename ModifyOp>
263 void modifyValue(Index offset, const ModifyOp& op);
264 /// @brief Apply a functor to the value of the voxel at the given coordinates
265 /// and mark the voxel as active.
266 template<typename ModifyOp>
267 void modifyValue(const Coord& xyz, const ModifyOp& op);
268
269 /// Apply a functor to the voxel at the given coordinates.
270 template<typename ModifyOp>
271 void modifyValueAndActiveState(const Coord& xyz, const ModifyOp& op);
272
273 /// Mark all voxels as active but don't change their values.
274 void setValuesOn() { mBuffer.mData.setOn(); }
275 /// Mark all voxels as inactive but don't change their values.
276 void setValuesOff() { mBuffer.mData.setOff(); }
277
278 /// Return @c true if the voxel at the given coordinates is active.
279 bool isValueOn(const Coord& xyz) const { return mBuffer.mData.isOn(this->coordToOffset(xyz)); }
280 /// Return @c true if the voxel at the given offset is active.
281 bool isValueOn(Index offset) const { assert(offset < SIZE); return mBuffer.mData.isOn(offset); }
282
283 /// Return @c false since leaf nodes never contain tiles.
284 static bool hasActiveTiles() { return false; }
285
286 /// Set all voxels that lie outside the given axis-aligned box to the background.
287 void clip(const CoordBBox&, bool background);
288
289 /// Set all voxels within an axis-aligned box to the specified value.
290 void fill(const CoordBBox& bbox, bool value, bool = false);
291 /// Set all voxels within an axis-aligned box to the specified value.
292 void denseFill(const CoordBBox& bbox, bool value, bool = false) { this->fill(bbox, value); }
293
294 /// Set the state of all voxels to the specified active state.
295 void fill(const bool& value, bool dummy = false);
296
297 /// @brief Copy into a dense grid the values of the voxels that lie within
298 /// a given bounding box.
299 ///
300 /// @param bbox inclusive bounding box of the voxels to be copied into the dense grid
301 /// @param dense dense grid with a stride in @e z of one (see tools::Dense
302 /// in tools/Dense.h for the required API)
303 ///
304 /// @note @a bbox is assumed to be identical to or contained in the coordinate domains
305 /// of both the dense grid and this node, i.e., no bounds checking is performed.
306 /// @note Consider using tools::CopyToDense in tools/Dense.h
307 /// instead of calling this method directly.
308 template<typename DenseT>
309 void copyToDense(const CoordBBox& bbox, DenseT& dense) const;
310
311 /// @brief Copy from a dense grid into this node the values of the voxels
312 /// that lie within a given bounding box.
313 /// @details Only values that are different (by more than the given tolerance)
314 /// from the background value will be active. Other values are inactive
315 /// and truncated to the background value.
316 ///
317 /// @param bbox inclusive bounding box of the voxels to be copied into this node
318 /// @param dense dense grid with a stride in @e z of one (see tools::Dense
319 /// in tools/Dense.h for the required API)
320 /// @param background background value of the tree that this node belongs to
321 /// @param tolerance tolerance within which a value equals the background value
322 ///
323 /// @note @a bbox is assumed to be identical to or contained in the coordinate domains
324 /// of both the dense grid and this node, i.e., no bounds checking is performed.
325 /// @note Consider using tools::CopyFromDense in tools/Dense.h
326 /// instead of calling this method directly.
327 template<typename DenseT>
328 void copyFromDense(const CoordBBox& bbox, const DenseT& dense, bool background, bool tolerance);
329
330 /// @brief Return the value of the voxel at the given coordinates.
331 /// @note Used internally by ValueAccessor.
332 template<typename AccessorT>
333 const bool& getValueAndCache(const Coord& xyz, AccessorT&) const {return this->getValue(xyz);}
334
335 /// @brief Return @c true if the voxel at the given coordinates is active.
336 /// @note Used internally by ValueAccessor.
337 template<typename AccessorT>
338 bool isValueOnAndCache(const Coord& xyz, AccessorT&) const { return this->isValueOn(xyz); }
339
340 /// @brief Change the value of the voxel at the given coordinates and mark it as active.
341 /// @note Used internally by ValueAccessor.
342 template<typename AccessorT>
343 void setValueAndCache(const Coord& xyz, bool val, AccessorT&) { this->setValueOn(xyz, val); }
344
345 /// @brief Change the value of the voxel at the given coordinates
346 /// but preserve its state.
347 /// @note Used internally by ValueAccessor.
348 template<typename AccessorT>
349 void setValueOnlyAndCache(const Coord& xyz, bool val, AccessorT&) {this->setValueOnly(xyz,val);}
350
351 /// @brief Change the value of the voxel at the given coordinates and mark it as inactive.
352 /// @note Used internally by ValueAccessor.
353 template<typename AccessorT>
354 void setValueOffAndCache(const Coord& xyz, bool value, AccessorT&)
355 {
356 this->setValueOff(xyz, value);
357 }
358
359 /// @brief Apply a functor to the value of the voxel at the given coordinates
360 /// and mark the voxel as active.
361 /// @note Used internally by ValueAccessor.
362 template<typename ModifyOp, typename AccessorT>
363 void modifyValueAndCache(const Coord& xyz, const ModifyOp& op, AccessorT&)
364 {
365 this->modifyValue(xyz, op);
366 }
367
368 /// Apply a functor to the voxel at the given coordinates.
369 /// @note Used internally by ValueAccessor.
370 template<typename ModifyOp, typename AccessorT>
371 void modifyValueAndActiveStateAndCache(const Coord& xyz, const ModifyOp& op, AccessorT&)
372 {
373 this->modifyValueAndActiveState(xyz, op);
374 }
375
376 /// @brief Set the active state of the voxel at the given coordinates
377 /// without changing its value.
378 /// @note Used internally by ValueAccessor.
379 template<typename AccessorT>
380 void setActiveStateAndCache(const Coord& xyz, bool on, AccessorT&)
381 {
382 this->setActiveState(xyz, on);
383 }
384
385 /// @brief Return @c true if the voxel at the given coordinates is active
386 /// and return the voxel value in @a val.
387 /// @note Used internally by ValueAccessor.
388 template<typename AccessorT>
389 bool probeValueAndCache(const Coord& xyz, bool& val, AccessorT&) const
390 {
391 return this->probeValue(xyz, val);
392 }
393
394 /// @brief Return the LEVEL (=0) at which leaf node values reside.
395 /// @note Used internally by ValueAccessor.
396 template<typename AccessorT>
397 static Index getValueLevelAndCache(const Coord&, AccessorT&) { return LEVEL; }
398
399 /// @brief Return a const reference to the first entry in the buffer.
400 /// @note Since it's actually a reference to a static data member
401 /// it should not be converted to a non-const pointer!
402 const bool& getFirstValue() const { if (mBuffer.mData.isOn(0)) return Buffer::sOn; else return Buffer::sOff; }
403 /// @brief Return a const reference to the last entry in the buffer.
404 /// @note Since it's actually a reference to a static data member
405 /// it should not be converted to a non-const pointer!
406 const bool& getLastValue() const { if (mBuffer.mData.isOn(SIZE-1)) return Buffer::sOn; else return Buffer::sOff; }
407
408 /// Return @c true if all of this node's voxels have the same active state
409 /// and are equal to within the given tolerance, and return the value in
410 /// @a constValue and the active state in @a state.
411 bool isConstant(bool& constValue, bool& state, bool tolerance = 0) const;
412
413 /// @brief Computes the median value of all the active and inactive voxels in this node.
414 /// @return The median value.
415 ///
416 /// @details The median for boolean values is defined as the mode
417 /// of the values, i.e. the value that occurs most often.
418 bool medianAll() const;
419
420 /// @brief Computes the median value of all the active voxels in this node.
421 /// @return The number of active voxels.
422 ///
423 /// @param value Updated with the median value of all the active voxels.
424 ///
425 /// @note Since the value and state are shared for this
426 /// specialization of the LeafNode the @a value will always be true!
427 Index medianOn(ValueType &value) const;
428
429 /// @brief Computes the median value of all the inactive voxels in this node.
430 /// @return The number of inactive voxels.
431 ///
432 /// @param value Updated with the median value of all the inactive
433 /// voxels.
434 ///
435 /// @note Since the value and state are shared for this
436 /// specialization of the LeafNode the @a value will always be false!
437 Index medianOff(ValueType &value) const;
438
439 /// Return @c true if all of this node's values are inactive.
440 bool isInactive() const { return mBuffer.mData.isOff(); }
441
442 /// @brief no-op since for this template specialization voxel
443 /// values and states are indistinguishable.
444 void resetBackground(bool, bool) {}
445
446 /// @brief Invert the bits of the voxels, i.e. states and values
447 void negate() { mBuffer.mData.toggle(); }
448
449 template<MergePolicy Policy>
450 void merge(const LeafNode& other, bool bg = false, bool otherBG = false);
451 template<MergePolicy Policy> void merge(bool tileValue, bool tileActive=false);
452
453 /// @brief No-op
454 /// @details This function exists only to enable template instantiation.
455 void voxelizeActiveTiles(bool = true) {}
456
457 /// @brief Union this node's set of active values with the active values
458 /// of the other node, whose @c ValueType may be different. So a
459 /// resulting voxel will be active if either of the original voxels
460 /// were active.
461 ///
462 /// @note This operation modifies only active states, not values.
463 template<typename OtherType>
464 void topologyUnion(const LeafNode<OtherType, Log2Dim>& other, const bool preserveTiles = false);
465
466 /// @brief Intersect this node's set of active values with the active values
467 /// of the other node, whose @c ValueType may be different. So a
468 /// resulting voxel will be active only if both of the original voxels
469 /// were active.
470 ///
471 /// @details The last dummy argument is required to match the signature
472 /// for InternalNode::topologyIntersection.
473 ///
474 /// @note This operation modifies only active states, not
475 /// values. Also note that this operation can result in all voxels
476 /// being inactive so consider subsequently calling prune.
477 template<typename OtherType>
478 void topologyIntersection(const LeafNode<OtherType, Log2Dim>& other, const bool&);
479
480 /// @brief Difference this node's set of active values with the active values
481 /// of the other node, whose @c ValueType may be different. So a
482 /// resulting voxel will be active only if the original voxel is
483 /// active in this LeafNode and inactive in the other LeafNode.
484 ///
485 /// @details The last dummy argument is required to match the signature
486 /// for InternalNode::topologyDifference.
487 ///
488 /// @note This operation modifies only active states, not values.
489 /// Also, because it can deactivate all of this node's voxels,
490 /// consider subsequently calling prune.
491 template<typename OtherType>
492 void topologyDifference(const LeafNode<OtherType, Log2Dim>& other, const bool&);
493
494 template<typename CombineOp>
495 void combine(const LeafNode& other, CombineOp& op);
496 template<typename CombineOp>
497 void combine(bool, bool valueIsActive, CombineOp& op);
498
499 template<typename CombineOp, typename OtherType /*= bool*/>
500 void combine2(const LeafNode& other, const OtherType&, bool valueIsActive, CombineOp&);
501 template<typename CombineOp, typename OtherNodeT /*= LeafNode*/>
502 void combine2(bool, const OtherNodeT& other, bool valueIsActive, CombineOp&);
503 template<typename CombineOp, typename OtherNodeT /*= LeafNode*/>
504 void combine2(const LeafNode& b0, const OtherNodeT& b1, CombineOp&);
505
506 //@{
507 /// This function exists only to enable template instantiation.
508 void prune(const ValueType& /*tolerance*/ = zeroVal<ValueType>()) {}
509 void addLeaf(LeafNode*) {}
510 template<typename AccessorT>
511 void addLeafAndCache(LeafNode*, AccessorT&) {}
512 template<typename NodeT>
513 NodeT* stealNode(const Coord&, const ValueType&, bool) { return nullptr; }
514 template<typename NodeT>
515 NodeT* probeNode(const Coord&) { return nullptr; }
516 template<typename NodeT>
517 const NodeT* probeConstNode(const Coord&) const { return nullptr; }
518 template<typename ArrayT> void getNodes(ArrayT&) const {}
519 template<typename ArrayT> void stealNodes(ArrayT&, const ValueType&, bool) {}
520 //@}
521
522 void addTile(Index level, const Coord&, bool val, bool active);
523 void addTile(Index offset, bool val, bool active);
524 template<typename AccessorT>
525 void addTileAndCache(Index level, const Coord&, bool val, bool active, AccessorT&);
526
527 //@{
528 /// @brief Return a pointer to this node.
529 LeafNode* touchLeaf(const Coord&) { return this; }
530 template<typename AccessorT>
531 LeafNode* touchLeafAndCache(const Coord&, AccessorT&) { return this; }
532 LeafNode* probeLeaf(const Coord&) { return this; }
533 template<typename AccessorT>
534 LeafNode* probeLeafAndCache(const Coord&, AccessorT&) { return this; }
535 template<typename NodeT, typename AccessorT>
536 NodeT* probeNodeAndCache(const Coord&, AccessorT&)
537 {
538 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
539 if (!(std::is_same<NodeT, LeafNode>::value)) return nullptr;
540 return reinterpret_cast<NodeT*>(this);
541 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
542 }
543 //@}
544 //@{
545 /// @brief Return a @const pointer to this node.
546 const LeafNode* probeLeaf(const Coord&) const { return this; }
547 template<typename AccessorT>
548 const LeafNode* probeLeafAndCache(const Coord&, AccessorT&) const { return this; }
549 const LeafNode* probeConstLeaf(const Coord&) const { return this; }
550 template<typename AccessorT>
551 const LeafNode* probeConstLeafAndCache(const Coord&, AccessorT&) const { return this; }
552 template<typename NodeT, typename AccessorT>
553 const NodeT* probeConstNodeAndCache(const Coord&, AccessorT&) const
554 {
555 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
556 if (!(std::is_same<NodeT, LeafNode>::value)) return nullptr;
557 return reinterpret_cast<const NodeT*>(this);
558 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
559 }
560 //@}
561
562 //
563 // Iterators
564 //
565protected:
566 using MaskOnIter = typename NodeMaskType::OnIterator;
567 using MaskOffIter = typename NodeMaskType::OffIterator;
568 using MaskDenseIter = typename NodeMaskType::DenseIterator;
569
570 template<typename MaskIterT, typename NodeT, typename ValueT>
571 struct ValueIter:
572 // Derives from SparseIteratorBase, but can also be used as a dense iterator,
573 // if MaskIterT is a dense mask iterator type.
574 public SparseIteratorBase<MaskIterT, ValueIter<MaskIterT, NodeT, ValueT>, NodeT, ValueT>
575 {
576 using BaseT = SparseIteratorBase<MaskIterT, ValueIter, NodeT, ValueT>;
577
578 ValueIter() {}
579 ValueIter(const MaskIterT& iter, NodeT* parent): BaseT(iter, parent) {}
580
581 const bool& getItem(Index pos) const { return this->parent().getValue(pos); }
582 const bool& getValue() const { return this->getItem(this->pos()); }
583
584 // Note: setItem() can't be called on const iterators.
585 void setItem(Index pos, bool value) const { this->parent().setValueOnly(pos, value); }
586 // Note: setValue() can't be called on const iterators.
587 void setValue(bool value) const { this->setItem(this->pos(), value); }
588
589 // Note: modifyItem() can't be called on const iterators.
590 template<typename ModifyOp>
591 void modifyItem(Index n, const ModifyOp& op) const { this->parent().modifyValue(n, op); }
592 // Note: modifyValue() can't be called on const iterators.
593 template<typename ModifyOp>
594 void modifyValue(const ModifyOp& op) const { this->modifyItem(this->pos(), op); }
595 };
596
597 /// Leaf nodes have no children, so their child iterators have no get/set accessors.
598 template<typename MaskIterT, typename NodeT>
599 struct ChildIter:
600 public SparseIteratorBase<MaskIterT, ChildIter<MaskIterT, NodeT>, NodeT, bool>
601 {
602 ChildIter() {}
603 ChildIter(const MaskIterT& iter, NodeT* parent): SparseIteratorBase<
604 MaskIterT, ChildIter<MaskIterT, NodeT>, NodeT, bool>(iter, parent) {}
605 };
606
607 template<typename NodeT, typename ValueT>
608 struct DenseIter: public DenseIteratorBase<
609 MaskDenseIter, DenseIter<NodeT, ValueT>, NodeT, /*ChildT=*/void, ValueT>
610 {
611 using BaseT = DenseIteratorBase<MaskDenseIter, DenseIter, NodeT, void, ValueT>;
612 using NonConstValueT = typename BaseT::NonConstValueType;
613
614 DenseIter() {}
615 DenseIter(const MaskDenseIter& iter, NodeT* parent): BaseT(iter, parent) {}
616
617 bool getItem(Index pos, void*& child, NonConstValueT& value) const
618 {
619 value = this->parent().getValue(pos);
620 child = nullptr;
621 return false; // no child
622 }
623
624 // Note: setItem() can't be called on const iterators.
625 //void setItem(Index pos, void* child) const {}
626
627 // Note: unsetItem() can't be called on const iterators.
628 void unsetItem(Index pos, const ValueT& val) const {this->parent().setValueOnly(pos, val);}
629 };
630
631public:
632 using ValueOnIter = ValueIter<MaskOnIter, LeafNode, const bool>;
633 using ValueOnCIter = ValueIter<MaskOnIter, const LeafNode, const bool>;
634 using ValueOffIter = ValueIter<MaskOffIter, LeafNode, const bool>;
635 using ValueOffCIter = ValueIter<MaskOffIter, const LeafNode, const bool>;
636 using ValueAllIter = ValueIter<MaskDenseIter, LeafNode, const bool>;
637 using ValueAllCIter = ValueIter<MaskDenseIter, const LeafNode, const bool>;
638 using ChildOnIter = ChildIter<MaskOnIter, LeafNode>;
639 using ChildOnCIter = ChildIter<MaskOnIter, const LeafNode>;
640 using ChildOffIter = ChildIter<MaskOffIter, LeafNode>;
641 using ChildOffCIter = ChildIter<MaskOffIter, const LeafNode>;
642 using ChildAllIter = DenseIter<LeafNode, bool>;
643 using ChildAllCIter = DenseIter<const LeafNode, const bool>;
644
645 ValueOnCIter cbeginValueOn() const { return ValueOnCIter(mBuffer.mData.beginOn(), this); }
646 ValueOnCIter beginValueOn() const { return ValueOnCIter(mBuffer.mData.beginOn(), this); }
647 ValueOnIter beginValueOn() { return ValueOnIter(mBuffer.mData.beginOn(), this); }
648 ValueOffCIter cbeginValueOff() const { return ValueOffCIter(mBuffer.mData.beginOff(), this); }
649 ValueOffCIter beginValueOff() const { return ValueOffCIter(mBuffer.mData.beginOff(), this); }
650 ValueOffIter beginValueOff() { return ValueOffIter(mBuffer.mData.beginOff(), this); }
651 ValueAllCIter cbeginValueAll() const { return ValueAllCIter(mBuffer.mData.beginDense(), this); }
652 ValueAllCIter beginValueAll() const { return ValueAllCIter(mBuffer.mData.beginDense(), this); }
653 ValueAllIter beginValueAll() { return ValueAllIter(mBuffer.mData.beginDense(), this); }
654
655 ValueOnCIter cendValueOn() const { return ValueOnCIter(mBuffer.mData.endOn(), this); }
656 ValueOnCIter endValueOn() const { return ValueOnCIter(mBuffer.mData.endOn(), this); }
657 ValueOnIter endValueOn() { return ValueOnIter(mBuffer.mData.endOn(), this); }
658 ValueOffCIter cendValueOff() const { return ValueOffCIter(mBuffer.mData.endOff(), this); }
659 ValueOffCIter endValueOff() const { return ValueOffCIter(mBuffer.mData.endOff(), this); }
660 ValueOffIter endValueOff() { return ValueOffIter(mBuffer.mData.endOff(), this); }
661 ValueAllCIter cendValueAll() const { return ValueAllCIter(mBuffer.mData.endDense(), this); }
662 ValueAllCIter endValueAll() const { return ValueAllCIter(mBuffer.mData.endDense(), this); }
663 ValueAllIter endValueAll() { return ValueAllIter(mBuffer.mData.endDense(), this); }
664
665 // Note that [c]beginChildOn() and [c]beginChildOff() actually return end iterators,
666 // because leaf nodes have no children.
667 ChildOnCIter cbeginChildOn() const { return ChildOnCIter(mBuffer.mData.endOn(), this); }
668 ChildOnCIter beginChildOn() const { return ChildOnCIter(mBuffer.mData.endOn(), this); }
669 ChildOnIter beginChildOn() { return ChildOnIter(mBuffer.mData.endOn(), this); }
670 ChildOffCIter cbeginChildOff() const { return ChildOffCIter(mBuffer.mData.endOff(), this); }
671 ChildOffCIter beginChildOff() const { return ChildOffCIter(mBuffer.mData.endOff(), this); }
672 ChildOffIter beginChildOff() { return ChildOffIter(mBuffer.mData.endOff(), this); }
673 ChildAllCIter cbeginChildAll() const { return ChildAllCIter(mBuffer.mData.beginDense(), this); }
674 ChildAllCIter beginChildAll() const { return ChildAllCIter(mBuffer.mData.beginDense(), this); }
675 ChildAllIter beginChildAll() { return ChildAllIter(mBuffer.mData.beginDense(), this); }
676
677 ChildOnCIter cendChildOn() const { return ChildOnCIter(mBuffer.mData.endOn(), this); }
678 ChildOnCIter endChildOn() const { return ChildOnCIter(mBuffer.mData.endOn(), this); }
679 ChildOnIter endChildOn() { return ChildOnIter(mBuffer.mData.endOn(), this); }
680 ChildOffCIter cendChildOff() const { return ChildOffCIter(mBuffer.mData.endOff(), this); }
681 ChildOffCIter endChildOff() const { return ChildOffCIter(mBuffer.mData.endOff(), this); }
682 ChildOffIter endChildOff() { return ChildOffIter(mBuffer.mData.endOff(), this); }
683 ChildAllCIter cendChildAll() const { return ChildAllCIter(mBuffer.mData.endDense(), this); }
684 ChildAllCIter endChildAll() const { return ChildAllCIter(mBuffer.mData.endDense(), this); }
685 ChildAllIter endChildAll() { return ChildAllIter(mBuffer.mData.endDense(), this); }
686
687 //
688 // Mask accessors
689 //
690 bool isValueMaskOn(Index n) const { return mBuffer.mData.isOn(n); }
691 bool isValueMaskOn() const { return mBuffer.mData.isOn(); }
692 bool isValueMaskOff(Index n) const { return mBuffer.mData.isOff(n); }
693 bool isValueMaskOff() const { return mBuffer.mData.isOff(); }
694 const NodeMaskType& getValueMask() const { return mBuffer.mData; }
695 const NodeMaskType& valueMask() const { return mBuffer.mData; }
696 NodeMaskType& getValueMask() { return mBuffer.mData; }
697 void setValueMask(const NodeMaskType& mask) { mBuffer.mData = mask; }
698 bool isChildMaskOn(Index) const { return false; } // leaf nodes have no children
699 bool isChildMaskOff(Index) const { return true; }
700 bool isChildMaskOff() const { return true; }
701protected:
702 void setValueMask(Index n, bool on) { mBuffer.mData.set(n, on); }
703 void setValueMaskOn(Index n) { mBuffer.mData.setOn(n); }
704 void setValueMaskOff(Index n) { mBuffer.mData.setOff(n); }
705
706 /// Compute the origin of the leaf node that contains the voxel with the given coordinates.
707 static void evalNodeOrigin(Coord& xyz) { xyz &= ~(DIM - 1); }
708
709 /// Bitmask representing the values AND state of voxels
710 Buffer mBuffer;
711 /// Global grid index coordinates (x,y,z) of the local origin of this node
712 Coord mOrigin;
713 /// Transient data (not serialized)
714 Index32 mTransientData = 0;
715
716private:
717 /// @brief During topology-only construction, access is needed
718 /// to protected/private members of other template instances.
719 template<typename, Index> friend class LeafNode;
720
721 friend struct ValueIter<MaskOnIter, LeafNode, bool>;
722 friend struct ValueIter<MaskOffIter, LeafNode, bool>;
723 friend struct ValueIter<MaskDenseIter, LeafNode, bool>;
724 friend struct ValueIter<MaskOnIter, const LeafNode, bool>;
725 friend struct ValueIter<MaskOffIter, const LeafNode, bool>;
726 friend struct ValueIter<MaskDenseIter, const LeafNode, bool>;
727
728 //@{
729 /// Allow iterators to call mask accessor methods (see below).
730 /// @todo Make mask accessors public?
731 friend class IteratorBase<MaskOnIter, LeafNode>;
732 friend class IteratorBase<MaskOffIter, LeafNode>;
733 friend class IteratorBase<MaskDenseIter, LeafNode>;
734 //@}
735
736 template<typename, Index> friend class LeafBuffer;
737
738}; // class LeafNode<ValueMask>
739
740
741////////////////////////////////////////
742
743
744template<Index Log2Dim>
745inline
746 LeafNode<ValueMask, Log2Dim>::LeafNode()
747 : mOrigin(0, 0, 0)
748{
749}
750
751template<Index Log2Dim>
752inline
753 LeafNode<ValueMask, Log2Dim>::LeafNode(const Coord& xyz, bool value, bool active)
754 : mBuffer(value || active)
755 , mOrigin(xyz & (~(DIM - 1)))
756{
757}
758
759
760template<Index Log2Dim>
761inline
762 LeafNode<ValueMask, Log2Dim>::LeafNode(PartialCreate, const Coord& xyz, bool value, bool active)
763 : mBuffer(value || active)
764 , mOrigin(xyz & (~(DIM - 1)))
765{
766}
767
768
769template<Index Log2Dim>
770inline
771 LeafNode<ValueMask, Log2Dim>::LeafNode(const LeafNode &other)
772 : mBuffer(other.mBuffer)
773 , mOrigin(other.mOrigin)
774 , mTransientData(other.mTransientData)
775{
776}
777
778
779// Copy-construct from a leaf node with the same configuration but a different ValueType.
780template<Index Log2Dim>
781template<typename ValueT>
782inline
783 LeafNode<ValueMask, Log2Dim>::LeafNode(const LeafNode<ValueT, Log2Dim>& other)
784 : mBuffer(other.valueMask())
785 , mOrigin(other.origin())
786 , mTransientData(other.mTransientData)
787{
788}
789
790
791template<Index Log2Dim>
792template<typename ValueT>
793inline
794 LeafNode<ValueMask, Log2Dim>::LeafNode(const LeafNode<ValueT, Log2Dim>& other,
795 bool, TopologyCopy)
796 : mBuffer(other.valueMask())// value = active state
797 , mOrigin(other.origin())
798 , mTransientData(other.mTransientData)
799{
800}
801
802
803template<Index Log2Dim>
804template<typename ValueT>
805inline
806 LeafNode<ValueMask, Log2Dim>::LeafNode(const LeafNode<ValueT, Log2Dim>& other, TopologyCopy)
807 : mBuffer(other.valueMask())// value = active state
808 , mOrigin(other.origin())
809 , mTransientData(other.mTransientData)
810{
811}
812
813
814template<Index Log2Dim>
815template<typename ValueT>
816inline
817 LeafNode<ValueMask, Log2Dim>::LeafNode(const LeafNode<ValueT, Log2Dim>& other,
818 bool offValue, bool onValue, TopologyCopy)
819 : mBuffer(other.valueMask())
820 , mOrigin(other.origin())
821 , mTransientData(other.mTransientData)
822{
823 if (offValue==true) {
824 if (onValue==false) {
825 mBuffer.mData.toggle();
826 } else {
827 mBuffer.mData.setOn();
828 }
829 }
830}
831
832
833template<Index Log2Dim>
834inline
835 LeafNode<ValueMask, Log2Dim>::~LeafNode()
836{
837}
838
839
840////////////////////////////////////////
841
842
843template<Index Log2Dim>
844inline Index64
845 LeafNode<ValueMask, Log2Dim>::memUsage() const
846{
847 // Use sizeof(*this) to capture alignment-related padding
848 return sizeof(*this);
849}
850
851
852template<Index Log2Dim>
853inline Index64
854 LeafNode<ValueMask, Log2Dim>::memUsageIfLoaded() const
855{
856 // Use sizeof(*this) to capture alignment-related padding
857 return sizeof(*this);
858}
859
860
861template<Index Log2Dim>
862inline void
863 LeafNode<ValueMask, Log2Dim>::evalActiveBoundingBox(CoordBBox& bbox, bool visitVoxels) const
864{
865 CoordBBox this_bbox = this->getNodeBoundingBox();
866 if (bbox.isInside(this_bbox)) return;//this LeafNode is already enclosed in the bbox
867 if (ValueOnCIter iter = this->cbeginValueOn()) {//any active values?
868 if (visitVoxels) {//use voxel granularity?
869 this_bbox.reset();
870 for(; iter; ++iter) this_bbox.expand(this->offsetToLocalCoord(iter.pos()));
871 this_bbox.translate(this->origin());
872 }
873 bbox.expand(this_bbox);
874 }
875}
876
877
878template<Index Log2Dim>
879template<typename OtherType, Index OtherLog2Dim>
880inline bool
881 LeafNode<ValueMask, Log2Dim>::hasSameTopology(const LeafNode<OtherType, OtherLog2Dim>* other) const
882{
883 assert(other);
884 return (Log2Dim == OtherLog2Dim && mBuffer.mData == other->getValueMask());
885}
886
887
888template<Index Log2Dim>
889inline std::string
890 LeafNode<ValueMask, Log2Dim>::str() const
891{
892 std::ostringstream ostr;
893 ostr << "LeafNode @" << mOrigin << ": ";
894 for (Index32 n = 0; n < SIZE; ++n) ostr << (mBuffer.mData.isOn(n) ? '#' : '.');
895 return ostr.str();
896}
897
898
899////////////////////////////////////////
900
901
902template<Index Log2Dim>
903inline Index
904 LeafNode<ValueMask, Log2Dim>::coordToOffset(const Coord& xyz)
905{
906 assert ((xyz[0] & (DIM-1u)) < DIM && (xyz[1] & (DIM-1u)) < DIM && (xyz[2] & (DIM-1u)) < DIM);
907 return ((xyz[0] & (DIM-1u)) << 2*Log2Dim)
908 + ((xyz[1] & (DIM-1u)) << Log2Dim)
909 + (xyz[2] & (DIM-1u));
910}
911
912
913template<Index Log2Dim>
914inline Coord
915 LeafNode<ValueMask, Log2Dim>::offsetToLocalCoord(Index n)
916{
917 assert(n < (1 << 3*Log2Dim));
918 Coord xyz;
919 xyz.setX(n >> 2*Log2Dim);
920 n &= ((1 << 2*Log2Dim) - 1);
921 xyz.setY(n >> Log2Dim);
922 xyz.setZ(n & ((1 << Log2Dim) - 1));
923 return xyz;
924}
925
926
927template<Index Log2Dim>
928inline Coord
929 LeafNode<ValueMask, Log2Dim>::offsetToGlobalCoord(Index n) const
930{
931 return (this->offsetToLocalCoord(n) + this->origin());
932}
933
934
935////////////////////////////////////////
936
937
938template<Index Log2Dim>
939inline void
940 LeafNode<ValueMask, Log2Dim>::readTopology(std::istream& is, bool /*fromHalf*/)
941{
942 mBuffer.mData.load(is);
943}
944
945
946template<Index Log2Dim>
947inline void
948 LeafNode<ValueMask, Log2Dim>::writeTopology(std::ostream& os, bool /*toHalf*/) const
949{
950 mBuffer.mData.save(os);
951}
952
953
954template<Index Log2Dim>
955inline void
956 LeafNode<ValueMask, Log2Dim>::readBuffers(std::istream& is, const CoordBBox& clipBBox, bool fromHalf)
957{
958 // Boolean LeafNodes don't currently implement lazy loading.
959 // Instead, load the full buffer, then clip it.
960
961 this->readBuffers(is, fromHalf);
962
963 // Get this tree's background value.
964 bool background = false;
965 if (const void* bgPtr = io::getGridBackgroundValuePtr(is)) {
966 background = *static_cast<const bool*>(bgPtr);
967 }
968 this->clip(clipBBox, background);
969}
970
971
972template<Index Log2Dim>
973inline void
974 LeafNode<ValueMask, Log2Dim>::readBuffers(std::istream& is, bool /*fromHalf*/)
975{
976 // Read in the value mask = buffer.
977 mBuffer.mData.load(is);
978 // Read in the origin.
979 is.read(reinterpret_cast<char*>(&mOrigin), sizeof(Coord::ValueType) * 3);
980}
981
982
983template<Index Log2Dim>
984inline void
985 LeafNode<ValueMask, Log2Dim>::writeBuffers(std::ostream& os, bool /*toHalf*/) const
986{
987 // Write out the value mask = buffer.
988 mBuffer.mData.save(os);
989 // Write out the origin.
990 os.write(reinterpret_cast<const char*>(&mOrigin), sizeof(Coord::ValueType) * 3);
991}
992
993
994////////////////////////////////////////
995
996
997template<Index Log2Dim>
998inline bool
999 LeafNode<ValueMask, Log2Dim>::operator==(const LeafNode& other) const
1000{
1001 return mOrigin == other.mOrigin && mBuffer == other.mBuffer;
1002}
1003
1004
1005template<Index Log2Dim>
1006inline bool
1007 LeafNode<ValueMask, Log2Dim>::operator!=(const LeafNode& other) const
1008{
1009 return !(this->operator==(other));
1010}
1011
1012
1013////////////////////////////////////////
1014
1015
1016template<Index Log2Dim>
1017inline bool
1018 LeafNode<ValueMask, Log2Dim>::isConstant(bool& constValue, bool& state, bool) const
1019{
1020 if (!mBuffer.mData.isConstant(state)) return false;
1021
1022 constValue = state;
1023 return true;
1024}
1025
1026
1027////////////////////////////////////////
1028
1029template<Index Log2Dim>
1030inline bool
1031 LeafNode<ValueMask, Log2Dim>::medianAll() const
1032{
1033 const Index countTrue = mBuffer.mData.countOn();
1034 return countTrue > (NUM_VALUES >> 1);
1035}
1036
1037template<Index Log2Dim>
1038inline Index
1039 LeafNode<ValueMask, Log2Dim>::medianOn(bool& state) const
1040{
1041 const Index countTrueOn = mBuffer.mData.countOn();
1042 state = true;//since value and state are the same for this specialization of the leaf node
1043 return countTrueOn;
1044}
1045
1046template<Index Log2Dim>
1047inline Index
1048 LeafNode<ValueMask, Log2Dim>::medianOff(bool& state) const
1049{
1050 const Index countFalseOff = mBuffer.mData.countOff();
1051 state = false;//since value and state are the same for this specialization of the leaf node
1052 return countFalseOff;
1053}
1054
1055
1056////////////////////////////////////////
1057
1058
1059template<Index Log2Dim>
1060inline void
1061 LeafNode<ValueMask, Log2Dim>::addTile(Index /*level*/, const Coord& xyz, bool val, bool active)
1062{
1063 this->addTile(this->coordToOffset(xyz), val, active);
1064}
1065
1066template<Index Log2Dim>
1067inline void
1068 LeafNode<ValueMask, Log2Dim>::addTile(Index offset, bool val, bool active)
1069{
1070 assert(offset < SIZE);
1071 this->setValueOnly(offset, val);
1072 this->setActiveState(offset, active);
1073}
1074
1075template<Index Log2Dim>
1076template<typename AccessorT>
1077inline void
1078 LeafNode<ValueMask, Log2Dim>::addTileAndCache(Index level, const Coord& xyz,
1079 bool val, bool active, AccessorT&)
1080{
1081 this->addTile(level, xyz, val, active);
1082}
1083
1084
1085////////////////////////////////////////
1086
1087
1088template<Index Log2Dim>
1089inline const bool&
1090 LeafNode<ValueMask, Log2Dim>::getValue(const Coord& xyz) const
1091{
1092 // This *CANNOT* use operator ? because Visual C++
1093 if (mBuffer.mData.isOn(this->coordToOffset(xyz))) return Buffer::sOn; else return Buffer::sOff;
1094}
1095
1096
1097template<Index Log2Dim>
1098inline const bool&
1099 LeafNode<ValueMask, Log2Dim>::getValue(Index offset) const
1100{
1101 assert(offset < SIZE);
1102 // This *CANNOT* use operator ? for Windows
1103 if (mBuffer.mData.isOn(offset)) return Buffer::sOn; else return Buffer::sOff;
1104}
1105
1106
1107template<Index Log2Dim>
1108inline bool
1109 LeafNode<ValueMask, Log2Dim>::probeValue(const Coord& xyz, bool& val) const
1110{
1111 const Index offset = this->coordToOffset(xyz);
1112 val = mBuffer.mData.isOn(offset);
1113 return val;
1114}
1115
1116
1117template<Index Log2Dim>
1118inline void
1119 LeafNode<ValueMask, Log2Dim>::setValueOn(const Coord& xyz, bool val)
1120{
1121 this->setValueOn(this->coordToOffset(xyz), val);
1122}
1123
1124
1125template<Index Log2Dim>
1126inline void
1127 LeafNode<ValueMask, Log2Dim>::setValueOn(Index offset, bool val)
1128{
1129 assert(offset < SIZE);
1130 mBuffer.mData.set(offset, val);
1131}
1132
1133
1134template<Index Log2Dim>
1135inline void
1136 LeafNode<ValueMask, Log2Dim>::setValueOnly(const Coord& xyz, bool val)
1137{
1138 this->setValueOnly(this->coordToOffset(xyz), val);
1139}
1140
1141
1142template<Index Log2Dim>
1143inline void
1144 LeafNode<ValueMask, Log2Dim>::setActiveState(const Coord& xyz, bool on)
1145{
1146 mBuffer.mData.set(this->coordToOffset(xyz), on);
1147}
1148
1149
1150template<Index Log2Dim>
1151inline void
1152 LeafNode<ValueMask, Log2Dim>::setValueOff(const Coord& xyz, bool val)
1153{
1154 this->setValueOff(this->coordToOffset(xyz), val);
1155}
1156
1157
1158template<Index Log2Dim>
1159inline void
1160 LeafNode<ValueMask, Log2Dim>::setValueOff(Index offset, bool val)
1161{
1162 assert(offset < SIZE);
1163 mBuffer.mData.set(offset, val);
1164}
1165
1166
1167template<Index Log2Dim>
1168template<typename ModifyOp>
1169inline void
1170 LeafNode<ValueMask, Log2Dim>::modifyValue(Index offset, const ModifyOp& op)
1171{
1172 bool val = mBuffer.mData.isOn(offset);
1173 op(val);
1174 mBuffer.mData.set(offset, val);
1175}
1176
1177
1178template<Index Log2Dim>
1179template<typename ModifyOp>
1180inline void
1181 LeafNode<ValueMask, Log2Dim>::modifyValue(const Coord& xyz, const ModifyOp& op)
1182{
1183 this->modifyValue(this->coordToOffset(xyz), op);
1184}
1185
1186
1187template<Index Log2Dim>
1188template<typename ModifyOp>
1189inline void
1190 LeafNode<ValueMask, Log2Dim>::modifyValueAndActiveState(const Coord& xyz, const ModifyOp& op)
1191{
1192 const Index offset = this->coordToOffset(xyz);
1193 bool val = mBuffer.mData.isOn(offset), state = val;
1194 op(val, state);
1195 mBuffer.mData.set(offset, val);
1196}
1197
1198
1199////////////////////////////////////////
1200
1201
1202template<Index Log2Dim>
1203template<MergePolicy Policy>
1204inline void
1205 LeafNode<ValueMask, Log2Dim>::merge(const LeafNode& other, bool /*bg*/, bool /*otherBG*/)
1206{
1207 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
1208 if (Policy == MERGE_NODES) return;
1209 mBuffer.mData |= other.mBuffer.mData;
1210 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
1211}
1212
1213template<Index Log2Dim>
1214template<MergePolicy Policy>
1215inline void
1216 LeafNode<ValueMask, Log2Dim>::merge(bool tileValue, bool)
1217{
1218 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
1219 if (Policy != MERGE_ACTIVE_STATES_AND_NODES) return;
1220 if (tileValue) mBuffer.mData.setOn();
1221 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
1222}
1223
1224
1225////////////////////////////////////////
1226
1227
1228template<Index Log2Dim>
1229template<typename OtherType>
1230inline void
1231 LeafNode<ValueMask, Log2Dim>::topologyUnion(const LeafNode<OtherType, Log2Dim>& other, bool)
1232{
1233 mBuffer.mData |= other.valueMask();
1234}
1235
1236
1237template<Index Log2Dim>
1238template<typename OtherType>
1239inline void
1240 LeafNode<ValueMask, Log2Dim>::topologyIntersection(const LeafNode<OtherType, Log2Dim>& other,
1241 const bool&)
1242{
1243 mBuffer.mData &= other.valueMask();
1244}
1245
1246
1247template<Index Log2Dim>
1248template<typename OtherType>
1249inline void
1250 LeafNode<ValueMask, Log2Dim>::topologyDifference(const LeafNode<OtherType, Log2Dim>& other,
1251 const bool&)
1252{
1253 mBuffer.mData &= !other.valueMask();
1254}
1255
1256
1257////////////////////////////////////////
1258
1259
1260template<Index Log2Dim>
1261inline void
1262 LeafNode<ValueMask, Log2Dim>::clip(const CoordBBox& clipBBox, bool background)
1263{
1264 CoordBBox nodeBBox = this->getNodeBoundingBox();
1265 if (!clipBBox.hasOverlap(nodeBBox)) {
1266 // This node lies completely outside the clipping region. Fill it with background tiles.
1267 this->fill(nodeBBox, background, /*active=*/false);
1268 } else if (clipBBox.isInside(nodeBBox)) {
1269 // This node lies completely inside the clipping region. Leave it intact.
1270 return;
1271 }
1272
1273 // This node isn't completely contained inside the clipping region.
1274 // Set any voxels that lie outside the region to the background value.
1275
1276 // Construct a boolean mask that is on inside the clipping region and off outside it.
1277 NodeMaskType mask;
1278 nodeBBox.intersect(clipBBox);
1279 Coord xyz;
1280 int &x = xyz.x(), &y = xyz.y(), &z = xyz.z();
1281 for (x = nodeBBox.min().x(); x <= nodeBBox.max().x(); ++x) {
1282 for (y = nodeBBox.min().y(); y <= nodeBBox.max().y(); ++y) {
1283 for (z = nodeBBox.min().z(); z <= nodeBBox.max().z(); ++z) {
1284 mask.setOn(static_cast<Index32>(this->coordToOffset(xyz)));
1285 }
1286 }
1287 }
1288
1289 // Set voxels that lie in the inactive region of the mask (i.e., outside
1290 // the clipping region) to the background value.
1291 for (MaskOffIter maskIter = mask.beginOff(); maskIter; ++maskIter) {
1292 this->setValueOff(maskIter.pos(), background);
1293 }
1294}
1295
1296
1297////////////////////////////////////////
1298
1299
1300template<Index Log2Dim>
1301inline void
1302 LeafNode<ValueMask, Log2Dim>::fill(const CoordBBox& bbox, bool value, bool)
1303{
1304 auto clippedBBox = this->getNodeBoundingBox();
1305 clippedBBox.intersect(bbox);
1306 if (!clippedBBox) return;
1307
1308 for (Int32 x = clippedBBox.min().x(); x <= clippedBBox.max().x(); ++x) {
1309 const Index offsetX = (x & (DIM-1u))<<2*Log2Dim;
1310 for (Int32 y = clippedBBox.min().y(); y <= clippedBBox.max().y(); ++y) {
1311 const Index offsetXY = offsetX + ((y & (DIM-1u))<< Log2Dim);
1312 for (Int32 z = clippedBBox.min().z(); z <= clippedBBox.max().z(); ++z) {
1313 const Index offset = offsetXY + (z & (DIM-1u));
1314 mBuffer.mData.set(offset, value);
1315 }
1316 }
1317 }
1318}
1319
1320template<Index Log2Dim>
1321inline void
1322 LeafNode<ValueMask, Log2Dim>::fill(const bool& value, bool)
1323{
1324 mBuffer.fill(value);
1325}
1326
1327
1328////////////////////////////////////////
1329
1330
1331template<Index Log2Dim>
1332template<typename DenseT>
1333inline void
1334 LeafNode<ValueMask, Log2Dim>::copyToDense(const CoordBBox& bbox, DenseT& dense) const
1335{
1336 using DenseValueType = typename DenseT::ValueType;
1337
1338 const size_t xStride = dense.xStride(), yStride = dense.yStride(), zStride = dense.zStride();
1339 const Coord& min = dense.bbox().min();
1340 DenseValueType* t0 = dense.data() + zStride * (bbox.min()[2] - min[2]); // target array
1341 const Int32 n0 = bbox.min()[2] & (DIM-1u);
1342 for (Int32 x = bbox.min()[0], ex = bbox.max()[0] + 1; x < ex; ++x) {
1343 DenseValueType* t1 = t0 + xStride * (x - min[0]);
1344 const Int32 n1 = n0 + ((x & (DIM-1u)) << 2*LOG2DIM);
1345 for (Int32 y = bbox.min()[1], ey = bbox.max()[1] + 1; y < ey; ++y) {
1346 DenseValueType* t2 = t1 + yStride * (y - min[1]);
1347 Int32 n2 = n1 + ((y & (DIM-1u)) << LOG2DIM);
1348 for (Int32 z = bbox.min()[2], ez = bbox.max()[2] + 1; z < ez; ++z, t2 += zStride) {
1349 *t2 = DenseValueType(mBuffer.mData.isOn(n2++));
1350 }
1351 }
1352 }
1353}
1354
1355
1356template<Index Log2Dim>
1357template<typename DenseT>
1358inline void
1359 LeafNode<ValueMask, Log2Dim>::copyFromDense(const CoordBBox& bbox, const DenseT& dense,
1360 bool background, bool tolerance)
1361{
1362 using DenseValueType = typename DenseT::ValueType;
1363 struct Local {
1364 inline static bool toBool(const DenseValueType& v) { return !math::isZero(v); }
1365 };
1366
1367 const size_t xStride = dense.xStride(), yStride = dense.yStride(), zStride = dense.zStride();
1368 const Coord& min = dense.bbox().min();
1369 const DenseValueType* s0 = dense.data() + zStride * (bbox.min()[2] - min[2]); // source
1370 const Int32 n0 = bbox.min()[2] & (DIM-1u);
1371 for (Int32 x = bbox.min()[0], ex = bbox.max()[0] + 1; x < ex; ++x) {
1372 const DenseValueType* s1 = s0 + xStride * (x - min[0]);
1373 const Int32 n1 = n0 + ((x & (DIM-1u)) << 2*LOG2DIM);
1374 for (Int32 y = bbox.min()[1], ey = bbox.max()[1] + 1; y < ey; ++y) {
1375 const DenseValueType* s2 = s1 + yStride * (y - min[1]);
1376 Int32 n2 = n1 + ((y & (DIM-1u)) << LOG2DIM);
1377 for (Int32 z = bbox.min()[2], ez = bbox.max()[2]+1; z < ez; ++z, ++n2, s2 += zStride) {
1378 // Note: if tolerance is true (i.e., 1), then all boolean values compare equal.
1379 if (tolerance || (background == Local::toBool(*s2))) {
1380 mBuffer.mData.set(n2, background);
1381 } else {
1382 mBuffer.mData.set(n2, Local::toBool(*s2));
1383 }
1384 }
1385 }
1386 }
1387}
1388
1389
1390////////////////////////////////////////
1391
1392
1393template<Index Log2Dim>
1394template<typename CombineOp>
1395inline void
1396 LeafNode<ValueMask, Log2Dim>::combine(const LeafNode& other, CombineOp& op)
1397{
1398 CombineArgs<bool> args;
1399 for (Index i = 0; i < SIZE; ++i) {
1400 bool result = false, aVal = mBuffer.mData.isOn(i), bVal = other.mBuffer.mData.isOn(i);
1401 op(args.setARef(aVal)
1402 .setAIsActive(aVal)
1403 .setBRef(bVal)
1404 .setBIsActive(bVal)
1405 .setResultRef(result));
1406 mBuffer.mData.set(i, result);
1407 }
1408}
1409
1410
1411template<Index Log2Dim>
1412template<typename CombineOp>
1413inline void
1414 LeafNode<ValueMask, Log2Dim>::combine(bool value, bool valueIsActive, CombineOp& op)
1415{
1416 CombineArgs<bool> args;
1417 args.setBRef(value).setBIsActive(valueIsActive);
1418 for (Index i = 0; i < SIZE; ++i) {
1419 bool result = false, aVal = mBuffer.mData.isOn(i);
1420 op(args.setARef(aVal)
1421 .setAIsActive(aVal)
1422 .setResultRef(result));
1423 mBuffer.mData.set(i, result);
1424 }
1425}
1426
1427
1428////////////////////////////////////////
1429
1430
1431template<Index Log2Dim>
1432template<typename CombineOp, typename OtherType>
1433inline void
1434 LeafNode<ValueMask, Log2Dim>::combine2(const LeafNode& other, const OtherType& value,
1435 bool valueIsActive, CombineOp& op)
1436{
1437 CombineArgs<bool, OtherType> args;
1438 args.setBRef(value).setBIsActive(valueIsActive);
1439 for (Index i = 0; i < SIZE; ++i) {
1440 bool result = false, aVal = other.mBuffer.mData.isOn(i);
1441 op(args.setARef(aVal)
1442 .setAIsActive(aVal)
1443 .setResultRef(result));
1444 mBuffer.mData.set(i, result);
1445 }
1446}
1447
1448
1449template<Index Log2Dim>
1450template<typename CombineOp, typename OtherNodeT>
1451inline void
1452 LeafNode<ValueMask, Log2Dim>::combine2(bool value, const OtherNodeT& other,
1453 bool valueIsActive, CombineOp& op)
1454{
1455 CombineArgs<bool, typename OtherNodeT::ValueType> args;
1456 args.setARef(value).setAIsActive(valueIsActive);
1457 for (Index i = 0; i < SIZE; ++i) {
1458 bool result = false, bVal = other.mBuffer.mData.isOn(i);
1459 op(args.setBRef(bVal)
1460 .setBIsActive(bVal)
1461 .setResultRef(result));
1462 mBuffer.mData.set(i, result);
1463 }
1464}
1465
1466
1467template<Index Log2Dim>
1468template<typename CombineOp, typename OtherNodeT>
1469inline void
1470 LeafNode<ValueMask, Log2Dim>::combine2(const LeafNode& b0, const OtherNodeT& b1, CombineOp& op)
1471{
1472 CombineArgs<bool, typename OtherNodeT::ValueType> args;
1473 for (Index i = 0; i < SIZE; ++i) {
1474 bool result = false, b0Val = b0.mBuffer.mData.isOn(i), b1Val = b1.mBuffer.mData.isOn(i);
1475 op(args.setARef(b0Val)
1476 .setAIsActive(b0Val)
1477 .setBRef(b1Val)
1478 .setBIsActive(b1Val)
1479 .setResultRef(result));
1480 mBuffer.mData.set(i, result);
1481 }
1482}
1483
1484
1485} // namespace tree
1486} // namespace OPENVDB_VERSION_NAME
1487} // namespace openvdb
1488
1489#endif // OPENVDB_TREE_LEAF_NODE_MASK_HAS_BEEN_INCLUDED
Compression.h
Iterator.h
LeafNode.h
Math.h
General-purpose arithmetic and comparison routines, most of which accept arbitrary value types (or at...
NodeMasks.h
OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
#define OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
Definition Platform.h:141
OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
#define OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
Definition Platform.h:140
openvdb::v11_0::CombineArgs
This struct collects both input and output arguments to "grid combiner" functors used with the tree::...
Definition Types.h:569
openvdb::v11_0::CombineArgs::setARef
CombineArgs & setARef(const AValueType &a)
Redirect the A value to a new external source.
Definition Types.h:621
openvdb::v11_0::CombineArgs::setBIsActive
CombineArgs & setBIsActive(bool b)
Set the active state of the B value.
Definition Types.h:637
openvdb::v11_0::CombineArgs::setResultRef
CombineArgs & setResultRef(AValueType &val)
Redirect the result value to a new external destination.
Definition Types.h:625
openvdb::v11_0::CombineArgs::setBRef
CombineArgs & setBRef(const BValueType &b)
Redirect the B value to a new external source.
Definition Types.h:623
openvdb::v11_0::CombineArgs::setAIsActive
CombineArgs & setAIsActive(bool b)
Set the active state of the A value.
Definition Types.h:635
openvdb::v11_0::PartialCreate
Tag dispatch class that distinguishes constructors during file input.
Definition Types.h:689
openvdb::v11_0::TopologyCopy
Tag dispatch class that distinguishes topology copy constructors from deep copy constructors.
Definition Types.h:683
openvdb::v11_0::ValueMask
Definition Types.h:111
openvdb::v11_0::math::CoordBBox
Axis-aligned bounding box of signed integer coordinates.
Definition Coord.h:251
openvdb::v11_0::math::CoordBBox::translate
void translate(const Coord &t)
Translate this bounding box by (tx, ty, tz).
Definition Coord.h:460
openvdb::v11_0::math::CoordBBox::expand
void expand(ValueType padding)
Pad this bounding box with the specified padding.
Definition Coord.h:420
openvdb::v11_0::math::CoordBBox::min
const Coord & min() const
Definition Coord.h:323
openvdb::v11_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:414
openvdb::v11_0::math::CoordBBox::max
const Coord & max() const
Definition Coord.h:324
openvdb::v11_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:402
openvdb::v11_0::math::CoordBBox::intersect
void intersect(const CoordBBox &bbox)
Intersect this bounding box with the given bounding box.
Definition Coord.h:446
openvdb::v11_0::math::CoordBBox::reset
void reset()
Definition Coord.h:329
openvdb::v11_0::math::Coord
Signed (x, y, z) 32-bit integer coordinates.
Definition Coord.h:25
openvdb::v11_0::math::Coord::ValueType
Int32 ValueType
Definition Coord.h:32
openvdb::v11_0::math::Coord::y
Int32 y() const
Definition Coord.h:131
openvdb::v11_0::math::Coord::x
Int32 x() const
Definition Coord.h:130
openvdb::v11_0::math::Coord::setZ
Coord & setZ(Int32 z)
Definition Coord.h:81
openvdb::v11_0::math::Coord::setY
Coord & setY(Int32 y)
Definition Coord.h:80
openvdb::v11_0::math::Coord::z
Int32 z() const
Definition Coord.h:132
openvdb::v11_0::math::Coord::setX
Coord & setX(Int32 x)
Definition Coord.h:79
openvdb::v11_0::tree::IteratorBase
Base class for iterators over internal and leaf nodes.
Definition Iterator.h:30
openvdb::v11_0::tree::LeafBuffer< ValueType, Log2Dim >
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >
LeafNode specialization for values of type ValueMask that encodes both the active states and the bool...
Definition LeafNodeMask.h:31
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::stealNodes
void stealNodes(ArrayT &, const ValueType &, bool)
Definition LeafNodeMask.h:519
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isValueOn
bool isValueOn(Index offset) const
Return true if the voxel at the given offset is active.
Definition LeafNodeMask.h:281
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::onTileCount
static Index64 onTileCount()
Definition LeafNodeMask.h:126
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getOrigin
void getOrigin(Int32 &x, Int32 &y, Int32 &z) const
Definition LeafNodeMask.h:161
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::cbeginChildOn
ChildOnCIter cbeginChildOn() const
Definition LeafNodeMask.h:667
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getNodeBoundingBox
CoordBBox getNodeBoundingBox() const
Return the bounding box of this node, i.e., the full index space spanned by this leaf node.
Definition LeafNodeMask.h:153
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getValueMask
NodeMaskType & getValueMask()
Definition LeafNodeMask.h:696
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValueOn
void setValueOn(Index offset)
Mark the voxel at the given offset as active but don't change its value.
Definition LeafNodeMask.h:251
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isChildMaskOn
bool isChildMaskOn(Index) const
Definition LeafNodeMask.h:698
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::beginChildOn
ChildOnCIter beginChildOn() const
Definition LeafNodeMask.h:668
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::beginChildOn
ChildOnIter beginChildOn()
Definition LeafNodeMask.h:669
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isValueOn
bool isValueOn(const Coord &xyz) const
Return true if the voxel at the given coordinates is active.
Definition LeafNodeMask.h:279
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::endValueOn
ValueOnIter endValueOn()
Definition LeafNodeMask.h:657
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isChildMaskOff
bool isChildMaskOff() const
Definition LeafNodeMask.h:700
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::cbeginValueOff
ValueOffCIter cbeginValueOff() const
Definition LeafNodeMask.h:648
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::transientData
Index32 transientData() const
Return the transient data value.
Definition LeafNodeMask.h:173
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::Ptr
SharedPtr< LeafNodeType > Ptr
Definition LeafNodeMask.h:38
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getChildDim
static Index getChildDim()
Return the dimension of child nodes of this LeafNode, which is one for voxels.
Definition LeafNodeMask.h:112
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValueMask
void setValueMask(const NodeMaskType &mask)
Definition LeafNodeMask.h:697
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::endChildOn
ChildOnIter endChildOn()
Definition LeafNodeMask.h:679
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::endValueAll
ValueAllIter endValueAll()
Definition LeafNodeMask.h:663
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::touchLeaf
LeafNode * touchLeaf(const Coord &)
Return a pointer to this node.
Definition LeafNodeMask.h:529
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::probeLeaf
LeafNode * probeLeaf(const Coord &)
Definition LeafNodeMask.h:532
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isValueMaskOff
bool isValueMaskOff() const
Definition LeafNodeMask.h:693
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::LeafNode
LeafNode(const LeafNode< ValueType, Log2Dim > &other, bool offValue, bool onValue, TopologyCopy)
Topology copy constructor.
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::prune
void prune(const ValueType &=zeroVal< ValueType >())
This function exists only to enable template instantiation.
Definition LeafNodeMask.h:508
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isValueMaskOn
bool isValueMaskOn() const
Definition LeafNodeMask.h:691
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getNodes
void getNodes(ArrayT &) const
Definition LeafNodeMask.h:518
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValuesOff
void setValuesOff()
Mark all voxels as inactive but don't change their values.
Definition LeafNodeMask.h:276
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::endValueAll
ValueAllCIter endValueAll() const
Definition LeafNodeMask.h:662
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::onLeafVoxelCount
Index64 onLeafVoxelCount() const
Definition LeafNodeMask.h:124
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValueOnly
void setValueOnly(Index offset, bool val)
Set the value of the voxel at the given offset but don't change its active state.
Definition LeafNodeMask.h:236
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::endChildOff
ChildOffCIter endChildOff() const
Definition LeafNodeMask.h:681
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::cbeginValueAll
ValueAllCIter cbeginValueAll() const
Definition LeafNodeMask.h:651
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::probeNode
NodeT * probeNode(const Coord &)
Definition LeafNodeMask.h:515
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::beginValueOn
ValueOnCIter beginValueOn() const
Definition LeafNodeMask.h:646
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::evalNodeOrigin
static void evalNodeOrigin(Coord &xyz)
Compute the origin of the leaf node that contains the voxel with the given coordinates.
Definition LeafNodeMask.h:707
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::buffer
const Buffer & buffer() const
Definition LeafNodeMask.h:195
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::probeLeafAndCache
LeafNode * probeLeafAndCache(const Coord &, AccessorT &)
Definition LeafNodeMask.h:534
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValueMaskOn
void setValueMaskOn(Index n)
Definition LeafNodeMask.h:703
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::offLeafVoxelCount
Index64 offLeafVoxelCount() const
Definition LeafNodeMask.h:125
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::probeLeaf
const LeafNode * probeLeaf(const Coord &) const
Return a const pointer to this node.
Definition LeafNodeMask.h:546
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setOrigin
void setOrigin(const Coord &origin)
Set the grid index coordinates of this node's local origin.
Definition LeafNodeMask.h:156
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::origin
const Coord & origin() const
Return the grid index coordinates of this node's local origin.
Definition LeafNodeMask.h:159
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getValueLevel
static Index getValueLevel(const Coord &)
Return the level (0) at which leaf node values reside.
Definition LeafNodeMask.h:226
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::MaskOnIter
typename NodeMaskType::OnIterator MaskOnIter
Definition LeafNodeMask.h:566
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isInactive
bool isInactive() const
Return true if all of this node's values are inactive.
Definition LeafNodeMask.h:440
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::mBuffer
Buffer mBuffer
Bitmask representing the values AND state of voxels.
Definition LeafNodeMask.h:710
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isValueMaskOff
bool isValueMaskOff(Index n) const
Definition LeafNodeMask.h:692
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::cendValueOn
ValueOnCIter cendValueOn() const
Definition LeafNodeMask.h:655
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isAllocated
bool isAllocated() const
Return true if memory for this node's buffer has been allocated.
Definition LeafNodeMask.h:136
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getValueLevelAndCache
static Index getValueLevelAndCache(const Coord &, AccessorT &)
Return the LEVEL (=0) at which leaf node values reside.
Definition LeafNodeMask.h:397
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::numValues
static Index numValues()
Return the total number of voxels represented by this LeafNode.
Definition LeafNodeMask.h:106
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::beginValueOff
ValueOffCIter beginValueOff() const
Definition LeafNodeMask.h:649
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::cbeginChildAll
ChildAllCIter cbeginChildAll() const
Definition LeafNodeMask.h:673
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::endChildOff
ChildOffIter endChildOff()
Definition LeafNodeMask.h:682
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::beginChildAll
ChildAllIter beginChildAll()
Definition LeafNodeMask.h:675
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getLevel
static Index getLevel()
Return the level of this node, which by definition is zero for LeafNodes.
Definition LeafNodeMask.h:108
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isValueOnAndCache
bool isValueOnAndCache(const Coord &xyz, AccessorT &) const
Return true if the voxel at the given coordinates is active.
Definition LeafNodeMask.h:338
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::denseFill
void denseFill(const CoordBBox &bbox, bool value, bool=false)
Set all voxels within an axis-aligned box to the specified value.
Definition LeafNodeMask.h:292
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::addLeaf
void addLeaf(LeafNode *)
Definition LeafNodeMask.h:509
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::beginValueOn
ValueOnIter beginValueOn()
Definition LeafNodeMask.h:647
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::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 LeafNodeMask.h:363
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValueOffAndCache
void setValueOffAndCache(const Coord &xyz, bool value, AccessorT &)
Change the value of the voxel at the given coordinates and mark it as inactive.
Definition LeafNodeMask.h:354
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::probeNodeAndCache
NodeT * probeNodeAndCache(const Coord &, AccessorT &)
Definition LeafNodeMask.h:536
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::cbeginChildOff
ChildOffCIter cbeginChildOff() const
Definition LeafNodeMask.h:670
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::beginChildOff
ChildOffIter beginChildOff()
Definition LeafNodeMask.h:672
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isChildMaskOff
bool isChildMaskOff(Index) const
Definition LeafNodeMask.h:699
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::onVoxelCount
Index64 onVoxelCount() const
Return the number of active voxels.
Definition LeafNodeMask.h:121
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::MaskOffIter
typename NodeMaskType::OffIterator MaskOffIter
Definition LeafNodeMask.h:567
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::beginChildOff
ChildOffCIter beginChildOff() const
Definition LeafNodeMask.h:671
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::LeafNode
LeafNode(const LeafNode< ValueType, Log2Dim > &other, bool background, TopologyCopy)
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::offTileCount
static Index64 offTileCount()
Definition LeafNodeMask.h:127
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValueOff
void setValueOff(const Coord &xyz)
Mark the voxel at the given coordinates as inactive but don't change its value.
Definition LeafNodeMask.h:239
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ValueType
bool ValueType
Definition LeafNodeMask.h:35
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::endValueOff
ValueOffIter endValueOff()
Definition LeafNodeMask.h:660
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValueOff
void setValueOff(Index offset)
Mark the voxel at the given offset as inactive but don't change its value.
Definition LeafNodeMask.h:241
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::probeConstLeafAndCache
const LeafNode * probeConstLeafAndCache(const Coord &, AccessorT &) const
Definition LeafNodeMask.h:551
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::endChildAll
ChildAllCIter endChildAll() const
Definition LeafNodeMask.h:684
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::probeConstNodeAndCache
const NodeT * probeConstNodeAndCache(const Coord &, AccessorT &) const
Definition LeafNodeMask.h:553
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::cbeginValueOn
ValueOnCIter cbeginValueOn() const
Definition LeafNodeMask.h:645
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::log2dim
static Index log2dim()
Return log2 of the size of the buffer storage.
Definition LeafNodeMask.h:100
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::resetBackground
void resetBackground(bool, bool)
no-op since for this template specialization voxel values and states are indistinguishable.
Definition LeafNodeMask.h:444
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getNodeLog2Dims
static void getNodeLog2Dims(std::vector< Index > &dims)
Append the Log2Dim of this LeafNode to the specified vector.
Definition LeafNodeMask.h:110
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::endChildOn
ChildOnCIter endChildOn() const
Definition LeafNodeMask.h:678
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::probeConstLeaf
const LeafNode * probeConstLeaf(const Coord &) const
Definition LeafNodeMask.h:549
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::nonLeafCount
static Index32 nonLeafCount()
Return the non-leaf count for this node, which is zero.
Definition LeafNodeMask.h:118
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::probeValueAndCache
bool probeValueAndCache(const Coord &xyz, bool &val, AccessorT &) const
Return true if the voxel at the given coordinates is active and return the voxel value in val.
Definition LeafNodeMask.h:389
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::cendChildOn
ChildOnCIter cendChildOn() const
Definition LeafNodeMask.h:677
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::hasActiveTiles
static bool hasActiveTiles()
Return false since leaf nodes never contain tiles.
Definition LeafNodeMask.h:284
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::cendChildAll
ChildAllCIter cendChildAll() const
Definition LeafNodeMask.h:683
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValueOnlyAndCache
void setValueOnlyAndCache(const Coord &xyz, bool val, AccessorT &)
Change the value of the voxel at the given coordinates but preserve its state.
Definition LeafNodeMask.h:349
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::endChildAll
ChildAllIter endChildAll()
Definition LeafNodeMask.h:685
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValueMask
void setValueMask(Index n, bool on)
Definition LeafNodeMask.h:702
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::valueMask
const NodeMaskType & valueMask() const
Definition LeafNodeMask.h:695
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::offVoxelCount
Index64 offVoxelCount() const
Return the number of inactive voxels.
Definition LeafNodeMask.h:123
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::swap
void swap(Buffer &other)
Exchange this node's data buffer with the given data buffer without changing the active states of the...
Definition LeafNodeMask.h:194
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::cendValueAll
ValueAllCIter cendValueAll() const
Definition LeafNodeMask.h:661
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::LeafNode
LeafNode(const LeafNode< ValueType, Log2Dim > &other, TopologyCopy)
Topology copy constructor.
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::negate
void negate()
Invert the bits of the voxels, i.e. states and values.
Definition LeafNodeMask.h:447
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::beginChildAll
ChildAllCIter beginChildAll() const
Definition LeafNodeMask.h:674
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::probeLeafAndCache
const LeafNode * probeLeafAndCache(const Coord &, AccessorT &) const
Definition LeafNodeMask.h:548
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::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 LeafNodeMask.h:380
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getOrigin
void getOrigin(Coord &origin) const
Definition LeafNodeMask.h:160
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValuesOn
void setValuesOn()
Mark all voxels as active but don't change their values.
Definition LeafNodeMask.h:274
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setTransientData
void setTransientData(Index32 transientData)
Set the transient data value.
Definition LeafNodeMask.h:175
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::nodeCount
void nodeCount(std::vector< Index32 > &) const
no-op
Definition LeafNodeMask.h:116
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::size
static Index size()
Return the total number of voxels represented by this LeafNode.
Definition LeafNodeMask.h:104
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::cendChildOff
ChildOffCIter cendChildOff() const
Definition LeafNodeMask.h:680
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::MaskDenseIter
typename NodeMaskType::DenseIterator MaskDenseIter
Definition LeafNodeMask.h:568
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isEmpty
bool isEmpty() const
Return true if this node has no active voxels.
Definition LeafNodeMask.h:130
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValueAndCache
void setValueAndCache(const Coord &xyz, bool val, AccessorT &)
Change the value of the voxel at the given coordinates and mark it as active.
Definition LeafNodeMask.h:343
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::beginValueOff
ValueOffIter beginValueOff()
Definition LeafNodeMask.h:650
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::probeConstNode
const NodeT * probeConstNode(const Coord &) const
Definition LeafNodeMask.h:517
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValueOn
void setValueOn(const Coord &xyz)
Mark the voxel at the given coordinates as active but don't change its value.
Definition LeafNodeMask.h:249
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::buffer
Buffer & buffer()
Definition LeafNodeMask.h:196
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::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 LeafNodeMask.h:231
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::leafCount
static Index32 leafCount()
Return the leaf count for this node, which is one.
Definition LeafNodeMask.h:114
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::allocate
bool allocate()
Allocate memory for this node's buffer if it has not already been allocated.
Definition LeafNodeMask.h:140
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getValueMask
const NodeMaskType & getValueMask() const
Definition LeafNodeMask.h:694
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getFirstValue
const bool & getFirstValue() const
Return a const reference to the first entry in the buffer.
Definition LeafNodeMask.h:402
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::addLeafAndCache
void addLeafAndCache(LeafNode *, AccessorT &)
Definition LeafNodeMask.h:511
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getLastValue
const bool & getLastValue() const
Return a const reference to the last entry in the buffer.
Definition LeafNodeMask.h:406
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::cendValueOff
ValueOffCIter cendValueOff() const
Definition LeafNodeMask.h:658
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::getValueAndCache
const bool & getValueAndCache(const Coord &xyz, AccessorT &) const
Return the value of the voxel at the given coordinates.
Definition LeafNodeMask.h:333
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValueMaskOff
void setValueMaskOff(Index n)
Definition LeafNodeMask.h:704
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isDense
bool isDense() const
Return true if this node only contains active voxels.
Definition LeafNodeMask.h:132
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::endValueOff
ValueOffCIter endValueOff() const
Definition LeafNodeMask.h:659
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::stealNode
NodeT * stealNode(const Coord &, const ValueType &, bool)
Definition LeafNodeMask.h:513
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::setValue
void setValue(const Coord &xyz, bool val)
Set the value of the voxel at the given coordinates and mark the voxel as active.
Definition LeafNodeMask.h:256
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::endValueOn
ValueOnCIter endValueOn() const
Definition LeafNodeMask.h:656
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::voxelizeActiveTiles
void voxelizeActiveTiles(bool=true)
No-op.
Definition LeafNodeMask.h:455
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::modifyValueAndActiveStateAndCache
void modifyValueAndActiveStateAndCache(const Coord &xyz, const ModifyOp &op, AccessorT &)
Definition LeafNodeMask.h:371
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::touchLeafAndCache
LeafNode * touchLeafAndCache(const Coord &, AccessorT &)
Definition LeafNodeMask.h:531
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::beginValueAll
ValueAllCIter beginValueAll() const
Definition LeafNodeMask.h:652
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::mOrigin
Coord mOrigin
Global grid index coordinates (x,y,z) of the local origin of this node.
Definition LeafNodeMask.h:712
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::dim
static Index dim()
Return the number of voxels in each dimension.
Definition LeafNodeMask.h:102
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::isValueMaskOn
bool isValueMaskOn(Index n) const
Definition LeafNodeMask.h:690
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::beginValueAll
ValueAllIter beginValueAll()
Definition LeafNodeMask.h:653
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::LeafNode
LeafNode(const LeafNode< OtherValueType, Log2Dim > &other)
Value conversion copy constructor.
openvdb::v11_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::v11_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:1020
openvdb::v11_0::tree::LeafNode::writeTopology
void writeTopology(std::ostream &os, bool toHalf=false) const
Write out just the topology.
Definition LeafNode.h:1276
openvdb::v11_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:1204
openvdb::v11_0::tree::LeafNode::operator!=
bool operator!=(const LeafNode &other) const
Definition LeafNode.h:201
openvdb::v11_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:1231
openvdb::v11_0::tree::LeafNode::getValue
const ValueType & getValue(const Coord &xyz) const
Return the value of the voxel at the given coordinates.
Definition LeafNode.h:1045
openvdb::v11_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:1103
openvdb::v11_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::v11_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::v11_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::v11_0::tree::LeafNode::~LeafNode
~LeafNode()
Destructor.
Definition LeafNode.h:990
openvdb::v11_0::tree::LeafNode::readTopology
void readTopology(std::istream &is, bool fromHalf=false)
Read in just the topology.
Definition LeafNode.h:1268
openvdb::v11_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::v11_0::tree::LeafNode::addTile
void addTile(Index level, const Coord &, const ValueType &, bool)
Definition LeafNode.h:1580
openvdb::v11_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:456
openvdb::v11_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::v11_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:1121
openvdb::v11_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:1095
openvdb::v11_0::tree::LeafNode::topologyUnion
void topologyUnion(const LeafNode< OtherType, Log2Dim > &other, const bool preserveTiles=false)
Union this node's set of active values with the active values of the other node, whose ValueType may ...
Definition LeafNode.h:1679
openvdb::v11_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:1010
openvdb::v11_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:407
openvdb::v11_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::v11_0::tree::LeafNode::writeBuffers
void writeBuffers(std::ostream &os, bool toHalf=false) const
Write buffers to a stream.
Definition LeafNode.h:1402
openvdb::v11_0::tree::LeafNode::combine
void combine(const LeafNode &other, CombineOp &op)
Definition LeafNode.h:1720
openvdb::v11_0::tree::LeafNode::memUsageIfLoaded
Index64 memUsageIfLoaded() const
Definition LeafNode.h:1439
openvdb::v11_0::tree::LeafNode::combine2
void combine2(const LeafNode &other, const OtherType &, bool valueIsActive, CombineOp &)
Definition LeafNode.h:1760
openvdb::v11_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:1161
openvdb::v11_0::tree::LeafNode::valueMask
const NodeMaskType & valueMask() const
Definition LeafNode.h:856
openvdb::v11_0::tree::LeafNode::readBuffers
void readBuffers(std::istream &is, bool fromHalf=false)
Read buffers from a stream.
Definition LeafNode.h:1304
openvdb::v11_0::tree::LeafNode::isConstant
bool isConstant(ValueType &firstValue, bool &state, const ValueType &tolerance=zeroVal< ValueType >()) const
Definition LeafNode.h:1475
openvdb::v11_0::tree::LeafNode::LeafNode
friend class LeafNode
Definition LeafNode.h:833
openvdb::v11_0::tree::LeafNode::offsetToGlobalCoord
Coord offsetToGlobalCoord(Index n) const
Return the global coordinates for a linear table offset.
Definition LeafNode.h:1034
openvdb::v11_0::tree::LeafNode::operator==
bool operator==(const LeafNode &other) const
Check for buffer, state and origin equivalence.
Definition LeafNode.h:1419
openvdb::v11_0::tree::LeafNode::evalActiveBoundingBox
void evalActiveBoundingBox(CoordBBox &bbox, bool visitVoxels=true) const
Definition LeafNode.h:1449
openvdb::v11_0::tree::LeafNode::merge
void merge(const LeafNode &)
Definition LeafNode.h:1630
openvdb::v11_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:417
openvdb::v11_0::tree::LeafNode::getValueMask
const NodeMaskType & getValueMask() const
Definition LeafNode.h:854
openvdb::v11_0::tree::LeafNode::addTileAndCache
void addTileAndCache(Index, const Coord &, const ValueType &, bool, AccessorT &)
Definition LeafNode.h:1597
openvdb::v11_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:435
openvdb::v11_0::tree::LeafNode::memUsage
Index64 memUsage() const
Return the memory in bytes occupied by this node.
Definition LeafNode.h:1429
openvdb::v11_0::tree::LeafNode::str
std::string str() const
Return a string representation of this node.
Definition LeafNode.h:997
openvdb::v11_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:1061
openvdb::v11_0::util::DenseMaskIterator
Definition NodeMasks.h:271
openvdb::v11_0::util::NodeMask
Bit mask for the internal and leaf nodes of VDB. This is a 64-bit implementation.
Definition NodeMasks.h:308
openvdb::v11_0::util::NodeMask::beginOff
OffIterator beginOff() const
Definition NodeMasks.h:354
openvdb::v11_0::util::NodeMask::setOn
void setOn(Index32 n)
Set the nth bit on.
Definition NodeMasks.h:452
openvdb::v11_0::util::OffMaskIterator
Definition NodeMasks.h:240
openvdb::v11_0::util::OnMaskIterator
Definition NodeMasks.h:209
openvdb::v11_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::v11_0::Index
Index32 Index
Definition Types.h:54
openvdb::v11_0::Index32
uint32_t Index32
Definition Types.h:52
openvdb::v11_0::Int32
int32_t Int32
Definition Types.h:56
openvdb::v11_0::Index64
uint64_t Index64
Definition Types.h:53
openvdb::v11_0::SharedPtr
std::shared_ptr< T > SharedPtr
Definition Types.h:114
openvdb::v11_0::MERGE_NODES
@ MERGE_NODES
Definition Types.h:508
openvdb::v11_0::MERGE_ACTIVE_STATES_AND_NODES
@ MERGE_ACTIVE_STATES_AND_NODES
Definition Types.h:509
openvdb
Definition Exceptions.h:13
Types.h
openvdb::v11_0::tree::DenseIteratorBase
Base class for dense iterators over internal and leaf nodes.
Definition Iterator.h:179
openvdb::v11_0::tree::DenseIteratorBase::NonConstValueType
typename std::remove_const< UnsetItemT >::type NonConstValueType
Definition Iterator.h:184
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ChildIter
Leaf nodes have no children, so their child iterators have no get/set accessors.
Definition LeafNodeMask.h:601
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ChildIter::ChildIter
ChildIter(const MaskIterT &iter, NodeT *parent)
Definition LeafNodeMask.h:603
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ChildIter::ChildIter
ChildIter()
Definition LeafNodeMask.h:602
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::DenseIter
Definition LeafNodeMask.h:610
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::DenseIter::getItem
bool getItem(Index pos, void *&child, NonConstValueT &value) const
Definition LeafNodeMask.h:617
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::DenseIter::DenseIter
DenseIter()
Definition LeafNodeMask.h:614
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::DenseIter::DenseIter
DenseIter(const MaskDenseIter &iter, NodeT *parent)
Definition LeafNodeMask.h:615
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::DenseIter::NonConstValueT
typename BaseT::NonConstValueType NonConstValueT
Definition LeafNodeMask.h:612
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::DenseIter::unsetItem
void unsetItem(Index pos, const ValueT &val) const
Definition LeafNodeMask.h:628
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::SameConfiguration
SameConfiguration<OtherNodeType>::value is true if and only if OtherNodeType is the type of a LeafNod...
Definition LeafNodeMask.h:57
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ValueConverter
ValueConverter<T>::Type is the type of a LeafNode having the same dimensions as this node but a diffe...
Definition LeafNodeMask.h:52
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ValueIter
Definition LeafNodeMask.h:575
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ValueIter::setItem
void setItem(Index pos, bool value) const
Definition LeafNodeMask.h:585
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ValueIter::modifyValue
void modifyValue(const ModifyOp &op) const
Definition LeafNodeMask.h:594
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ValueIter::ValueIter
ValueIter(const MaskIterT &iter, NodeT *parent)
Definition LeafNodeMask.h:579
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ValueIter::getValue
const bool & getValue() const
Definition LeafNodeMask.h:582
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ValueIter::getItem
const bool & getItem(Index pos) const
Definition LeafNodeMask.h:581
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ValueIter::ValueIter
ValueIter()
Definition LeafNodeMask.h:578
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ValueIter::setValue
void setValue(bool value) const
Definition LeafNodeMask.h:587
openvdb::v11_0::tree::LeafNode< ValueMask, Log2Dim >::ValueIter::modifyItem
void modifyItem(Index n, const ModifyOp &op) const
Definition LeafNodeMask.h:591
openvdb::v11_0::tree::SameLeafConfig
Definition LeafNode.h:890
openvdb::v11_0::tree::SparseIteratorBase
Base class for sparse iterators over internal and leaf nodes.
Definition Iterator.h:115
OPENVDB_VERSION_NAME
#define OPENVDB_VERSION_NAME
The version namespace name for this library version.
Definition version.h.in:121
OPENVDB_USE_VERSION_NAMESPACE
#define OPENVDB_USE_VERSION_NAMESPACE
Definition version.h.in:212