OpenVDB: openvdb/points/PointConversion.h Source File

OpenVDB 10.0.1

PointConversion.h
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1// Copyright Contributors to the OpenVDB Project
2// SPDX-License-Identifier: MPL-2.0
3
4/// @author Dan Bailey, Nick Avramoussis
5///
6/// @file points/PointConversion.h
7///
8/// @brief Convert points and attributes to and from VDB Point Data grids.
9
10#ifndef OPENVDB_POINTS_POINT_CONVERSION_HAS_BEEN_INCLUDED
11#define OPENVDB_POINTS_POINT_CONVERSION_HAS_BEEN_INCLUDED
12
13#include <openvdb/math/Transform.h>
14
15#include <openvdb/tools/PointIndexGrid.h>
16#include <openvdb/tools/PointsToMask.h>
17#include <openvdb/util/NullInterrupter.h>
18
19#include "AttributeArrayString.h"
20#include "AttributeSet.h"
21#include "IndexFilter.h"
22#include "PointAttribute.h"
23#include "PointDataGrid.h"
24#include "PointGroup.h"
25
26#include <tbb/parallel_reduce.h>
27
28#include <type_traits>
29
30namespace openvdb {
31 OPENVDB_USE_VERSION_NAMESPACE
32namespace OPENVDB_VERSION_NAME {
33namespace points {
34
35
36/// @brief Localises points with position into a @c PointDataGrid into two stages:
37/// allocation of the leaf attribute data and population of the positions.
38///
39/// @param pointIndexGrid a PointIndexGrid into the points.
40/// @param positions list of world space point positions.
41/// @param xform world to index space transform.
42/// @param positionDefaultValue metadata default position value
43///
44/// @note The position data must be supplied in a Point-Partitioner compatible
45/// data structure. A convenience PointAttributeVector class is offered.
46///
47/// @note The position data is populated separately to perform world space to
48/// voxel space conversion and apply quantisation.
49///
50/// @note A @c PointIndexGrid to the points must be supplied to perform this
51/// operation. Typically this is built implicitly by the PointDataGrid constructor.
52
53template<
54 typename CompressionT,
55 typename PointDataGridT,
56 typename PositionArrayT,
57 typename PointIndexGridT>
58inline typename PointDataGridT::Ptr
59 createPointDataGrid(const PointIndexGridT& pointIndexGrid,
60 const PositionArrayT& positions,
61 const math::Transform& xform,
62 const Metadata* positionDefaultValue = nullptr);
63
64
65/// @brief Convenience method to create a @c PointDataGrid from a std::vector of
66/// point positions.
67///
68/// @param positions list of world space point positions.
69/// @param xform world to index space transform.
70/// @param positionDefaultValue metadata default position value
71///
72/// @note This method implicitly wraps the std::vector for a Point-Partitioner compatible
73/// data structure and creates the required @c PointIndexGrid to the points.
74
75template <typename CompressionT, typename PointDataGridT, typename ValueT>
76inline typename PointDataGridT::Ptr
77 createPointDataGrid(const std::vector<ValueT>& positions,
78 const math::Transform& xform,
79 const Metadata* positionDefaultValue = nullptr);
80
81
82/// @brief Stores point attribute data in an existing @c PointDataGrid attribute.
83///
84/// @param tree the PointDataGrid to be populated.
85/// @param pointIndexTree a PointIndexTree into the points.
86/// @param attributeName the name of the VDB Points attribute to be populated.
87/// @param data a wrapper to the attribute data.
88/// @param stride the stride of the attribute
89/// @param insertMetadata true if strings are to be automatically inserted as metadata.
90///
91/// @note A @c PointIndexGrid to the points must be supplied to perform this
92/// operation. This is required to ensure the same point index ordering.
93template <typename PointDataTreeT, typename PointIndexTreeT, typename PointArrayT>
94inline void
95 populateAttribute( PointDataTreeT& tree,
96 const PointIndexTreeT& pointIndexTree,
97 const openvdb::Name& attributeName,
98 const PointArrayT& data,
99 const Index stride = 1,
100 const bool insertMetadata = true);
101
102/// @brief Convert the position attribute from a Point Data Grid
103///
104/// @param positionAttribute the position attribute to be populated.
105/// @param grid the PointDataGrid to be converted.
106/// @param pointOffsets a vector of cumulative point offsets for each leaf
107/// @param startOffset a value to shift all the point offsets by
108/// @param filter an index filter
109/// @param inCoreOnly true if out-of-core leaf nodes are to be ignored
110///
111
112template <typename PositionAttribute, typename PointDataGridT, typename FilterT = NullFilter>
113inline void
114 convertPointDataGridPosition( PositionAttribute& positionAttribute,
115 const PointDataGridT& grid,
116 const std::vector<Index64>& pointOffsets,
117 const Index64 startOffset,
118 const FilterT& filter = NullFilter(),
119 const bool inCoreOnly = false);
120
121
122/// @brief Convert the attribute from a PointDataGrid
123///
124/// @param attribute the attribute to be populated.
125/// @param tree the PointDataTree to be converted.
126/// @param pointOffsets a vector of cumulative point offsets for each leaf.
127/// @param startOffset a value to shift all the point offsets by
128/// @param arrayIndex the index in the Descriptor of the array to be converted.
129/// @param stride the stride of the attribute
130/// @param filter an index filter
131/// @param inCoreOnly true if out-of-core leaf nodes are to be ignored
132template <typename TypedAttribute, typename PointDataTreeT, typename FilterT = NullFilter>
133inline void
134 convertPointDataGridAttribute( TypedAttribute& attribute,
135 const PointDataTreeT& tree,
136 const std::vector<Index64>& pointOffsets,
137 const Index64 startOffset,
138 const unsigned arrayIndex,
139 const Index stride = 1,
140 const FilterT& filter = NullFilter(),
141 const bool inCoreOnly = false);
142
143
144/// @brief Convert the group from a PointDataGrid
145///
146/// @param group the group to be populated.
147/// @param tree the PointDataTree to be converted.
148/// @param pointOffsets a vector of cumulative point offsets for each leaf
149/// @param startOffset a value to shift all the point offsets by
150/// @param index the group index to be converted.
151/// @param filter an index filter
152/// @param inCoreOnly true if out-of-core leaf nodes are to be ignored
153///
154
155template <typename Group, typename PointDataTreeT, typename FilterT = NullFilter>
156inline void
157 convertPointDataGridGroup( Group& group,
158 const PointDataTreeT& tree,
159 const std::vector<Index64>& pointOffsets,
160 const Index64 startOffset,
161 const AttributeSet::Descriptor::GroupIndex index,
162 const FilterT& filter = NullFilter(),
163 const bool inCoreOnly = false);
164
165// for internal use only - this traits class extracts T::value_type if defined,
166// otherwise falls back to using Vec3R
167 namespace internal {
168 template <typename...> using void_t = void;
169template <typename T, typename = void>
170 struct ValueTypeTraits { using Type = Vec3R; /* default type if T::value_type is not defined*/ };
171template <typename T>
172 struct ValueTypeTraits <T, void_t<typename T::value_type>> { using Type = typename T::value_type; };
173} // namespace internal
174
175/// @ brief Given a container of world space positions and a target points per voxel,
176/// compute a uniform voxel size that would best represent the storage of the points in a grid.
177/// This voxel size is typically used for conversion of the points into a PointDataGrid.
178///
179/// @param positions array of world space positions
180/// @param pointsPerVoxel the target number of points per voxel, must be positive and non-zero
181/// @param transform voxel size will be computed using this optional transform if provided
182/// @param decimalPlaces for readability, truncate voxel size to this number of decimals
183/// @param interrupter an optional interrupter
184///
185/// @note VecT will be PositionWrapper::value_type or Vec3R (if there is no value_type defined)
186///
187/// @note if none or one point provided in positions, the default voxel size of 0.1 will be returned
188///
189template< typename PositionWrapper,
190 typename InterrupterT = openvdb::util::NullInterrupter,
191 typename VecT = typename internal::ValueTypeTraits<PositionWrapper>::Type>
192inline float
193 computeVoxelSize( const PositionWrapper& positions,
194 const uint32_t pointsPerVoxel,
195 const math::Mat4d transform = math::Mat4d::identity(),
196 const Index decimalPlaces = 5,
197 InterrupterT* const interrupter = nullptr);
198
199
200////////////////////////////////////////
201
202
203/// @brief Point-partitioner compatible STL vector attribute wrapper for convenience
204template<typename ValueType>
205 class PointAttributeVector {
206public:
207 using PosType = ValueType;
208 using value_type= ValueType;
209
210 PointAttributeVector(const std::vector<value_type>& data,
211 const Index stride = 1)
212 : mData(data)
213 , mStride(stride) { }
214
215 size_t size() const { return mData.size(); }
216 void getPos(size_t n, ValueType& xyz) const { xyz = mData[n]; }
217 void get(ValueType& value, size_t n) const { value = mData[n]; }
218 void get(ValueType& value, size_t n, openvdb::Index m) const { value = mData[n * mStride + m]; }
219
220private:
221 const std::vector<value_type>& mData;
222 const Index mStride;
223}; // PointAttributeVector
224
225
226////////////////////////////////////////
227
228/// @cond OPENVDB_DOCS_INTERNAL
229
230namespace point_conversion_internal {
231
232
233// ConversionTraits to create the relevant Attribute Handles from a LeafNode
234template <typename T> struct ConversionTraits
235{
236 using Handle = AttributeHandle<T, UnknownCodec>;
237 using WriteHandle = AttributeWriteHandle<T, UnknownCodec>;
238 static T zero() { return zeroVal<T>(); }
239 template <typename LeafT>
240 static std::unique_ptr<Handle> handleFromLeaf(const LeafT& leaf, const Index index) {
241 const AttributeArray& array = leaf.constAttributeArray(index);
242 return std::make_unique<Handle>(array);
243 }
244 template <typename LeafT>
245 static std::unique_ptr<WriteHandle> writeHandleFromLeaf(LeafT& leaf, const Index index) {
246 AttributeArray& array = leaf.attributeArray(index);
247 return std::make_unique<WriteHandle>(array);
248 }
249}; // ConversionTraits
250template <> struct ConversionTraits<openvdb::Name>
251{
252 using Handle = StringAttributeHandle;
253 using WriteHandle = StringAttributeWriteHandle;
254 static openvdb::Name zero() { return ""; }
255 template <typename LeafT>
256 static std::unique_ptr<Handle> handleFromLeaf(const LeafT& leaf, const Index index) {
257 const AttributeArray& array = leaf.constAttributeArray(index);
258 const AttributeSet::Descriptor& descriptor = leaf.attributeSet().descriptor();
259 return std::make_unique<Handle>(array, descriptor.getMetadata());
260 }
261 template <typename LeafT>
262 static std::unique_ptr<WriteHandle> writeHandleFromLeaf(LeafT& leaf, const Index index) {
263 AttributeArray& array = leaf.attributeArray(index);
264 const AttributeSet::Descriptor& descriptor = leaf.attributeSet().descriptor();
265 return std::make_unique<WriteHandle>(array, descriptor.getMetadata());
266 }
267}; // ConversionTraits<openvdb::Name>
268
269template< typename PointDataTreeType,
270 typename PointIndexTreeType,
271 typename AttributeListType>
272struct PopulateAttributeOp {
273
274 using LeafManagerT = typename tree::LeafManager<PointDataTreeType>;
275 using LeafRangeT = typename LeafManagerT::LeafRange;
276 using PointIndexLeafNode = typename PointIndexTreeType::LeafNodeType;
277 using IndexArray = typename PointIndexLeafNode::IndexArray;
278 using ValueType = typename AttributeListType::value_type;
279 using HandleT = typename ConversionTraits<ValueType>::WriteHandle;
280
281 PopulateAttributeOp(const PointIndexTreeType& pointIndexTree,
282 const AttributeListType& data,
283 const size_t index,
284 const Index stride = 1)
285 : mPointIndexTree(pointIndexTree)
286 , mData(data)
287 , mIndex(index)
288 , mStride(stride) { }
289
290 void operator()(const typename LeafManagerT::LeafRange& range) const {
291
292 for (auto leaf = range.begin(); leaf; ++leaf) {
293
294 // obtain the PointIndexLeafNode (using the origin of the current leaf)
295
296 const PointIndexLeafNode* pointIndexLeaf =
297 mPointIndexTree.probeConstLeaf(leaf->origin());
298
299 if (!pointIndexLeaf) continue;
300
301 auto attributeWriteHandle =
302 ConversionTraits<ValueType>::writeHandleFromLeaf(*leaf, static_cast<Index>(mIndex));
303
304 Index64 index = 0;
305
306 const IndexArray& indices = pointIndexLeaf->indices();
307
308 for (const Index64 leafIndex: indices)
309 {
310 ValueType value;
311 for (Index i = 0; i < mStride; i++) {
312 mData.get(value, leafIndex, i);
313 attributeWriteHandle->set(static_cast<Index>(index), i, value);
314 }
315 index++;
316 }
317
318 // attempt to compact the array
319
320 attributeWriteHandle->compact();
321 }
322 }
323
324 //////////
325
326 const PointIndexTreeType& mPointIndexTree;
327 const AttributeListType& mData;
328 const size_t mIndex;
329 const Index mStride;
330};
331
332template<typename PointDataTreeType, typename Attribute, typename FilterT>
333struct ConvertPointDataGridPositionOp {
334
335 using LeafNode = typename PointDataTreeType::LeafNodeType;
336 using ValueType = typename Attribute::ValueType;
337 using HandleT = typename Attribute::Handle;
338 using SourceHandleT = AttributeHandle<ValueType>;
339 using LeafManagerT = typename tree::LeafManager<const PointDataTreeType>;
340 using LeafRangeT = typename LeafManagerT::LeafRange;
341
342 ConvertPointDataGridPositionOp( Attribute& attribute,
343 const std::vector<Index64>& pointOffsets,
344 const Index64 startOffset,
345 const math::Transform& transform,
346 const size_t index,
347 const FilterT& filter,
348 const bool inCoreOnly)
349 : mAttribute(attribute)
350 , mPointOffsets(pointOffsets)
351 , mStartOffset(startOffset)
352 , mTransform(transform)
353 , mIndex(index)
354 , mFilter(filter)
355 , mInCoreOnly(inCoreOnly)
356 {
357 // only accept Vec3f as ValueType
358 static_assert(VecTraits<ValueType>::Size == 3 &&
359 std::is_floating_point<typename ValueType::ValueType>::value,
360 "ValueType is not Vec3f");
361 }
362
363 template <typename IterT>
364 void convert(IterT& iter, HandleT& targetHandle,
365 SourceHandleT& sourceHandle, Index64& offset) const
366 {
367 for (; iter; ++iter) {
368 const Vec3d xyz = iter.getCoord().asVec3d();
369 const Vec3d pos = sourceHandle.get(*iter);
370 targetHandle.set(static_cast<Index>(offset++), /*stride=*/0,
371 mTransform.indexToWorld(pos + xyz));
372 }
373 }
374
375 void operator()(const LeafRangeT& range) const
376 {
377 HandleT pHandle(mAttribute);
378
379 for (auto leaf = range.begin(); leaf; ++leaf) {
380
381 assert(leaf.pos() < mPointOffsets.size());
382
383 if (mInCoreOnly && leaf->buffer().isOutOfCore()) continue;
384
385 Index64 offset = mStartOffset;
386
387 if (leaf.pos() > 0) offset += mPointOffsets[leaf.pos() - 1];
388
389 auto handle = SourceHandleT::create(leaf->constAttributeArray(mIndex));
390
391 if (mFilter.state() == index::ALL) {
392 auto iter = leaf->beginIndexOn();
393 convert(iter, pHandle, *handle, offset);
394 }
395 else {
396 auto iter = leaf->beginIndexOn(mFilter);
397 convert(iter, pHandle, *handle, offset);
398 }
399 }
400 }
401
402 //////////
403
404 Attribute& mAttribute;
405 const std::vector<Index64>& mPointOffsets;
406 const Index64 mStartOffset;
407 const math::Transform& mTransform;
408 const size_t mIndex;
409 const FilterT& mFilter;
410 const bool mInCoreOnly;
411}; // ConvertPointDataGridPositionOp
412
413
414template<typename PointDataTreeType, typename Attribute, typename FilterT>
415struct ConvertPointDataGridAttributeOp {
416
417 using LeafNode = typename PointDataTreeType::LeafNodeType;
418 using ValueType = typename Attribute::ValueType;
419 using HandleT = typename Attribute::Handle;
420 using SourceHandleT = typename ConversionTraits<ValueType>::Handle;
421 using LeafManagerT = typename tree::LeafManager<const PointDataTreeType>;
422 using LeafRangeT = typename LeafManagerT::LeafRange;
423
424 ConvertPointDataGridAttributeOp(Attribute& attribute,
425 const std::vector<Index64>& pointOffsets,
426 const Index64 startOffset,
427 const size_t index,
428 const Index stride,
429 const FilterT& filter,
430 const bool inCoreOnly)
431 : mAttribute(attribute)
432 , mPointOffsets(pointOffsets)
433 , mStartOffset(startOffset)
434 , mIndex(index)
435 , mStride(stride)
436 , mFilter(filter)
437 , mInCoreOnly(inCoreOnly) { }
438
439 template <typename IterT>
440 void convert(IterT& iter, HandleT& targetHandle,
441 SourceHandleT& sourceHandle, Index64& offset) const
442 {
443 if (sourceHandle.isUniform()) {
444 const ValueType uniformValue(sourceHandle.get(0));
445 for (; iter; ++iter) {
446 for (Index i = 0; i < mStride; i++) {
447 targetHandle.set(static_cast<Index>(offset), i, uniformValue);
448 }
449 offset++;
450 }
451 }
452 else {
453 for (; iter; ++iter) {
454 for (Index i = 0; i < mStride; i++) {
455 targetHandle.set(static_cast<Index>(offset), i,
456 sourceHandle.get(*iter, /*stride=*/i));
457 }
458 offset++;
459 }
460 }
461 }
462
463 void operator()(const LeafRangeT& range) const
464 {
465 HandleT pHandle(mAttribute);
466
467 for (auto leaf = range.begin(); leaf; ++leaf) {
468
469 assert(leaf.pos() < mPointOffsets.size());
470
471 if (mInCoreOnly && leaf->buffer().isOutOfCore()) continue;
472
473 Index64 offset = mStartOffset;
474
475 if (leaf.pos() > 0) offset += mPointOffsets[leaf.pos() - 1];
476
477 auto handle = ConversionTraits<ValueType>::handleFromLeaf(
478 *leaf, static_cast<Index>(mIndex));
479
480 if (mFilter.state() == index::ALL) {
481 auto iter = leaf->beginIndexOn();
482 convert(iter, pHandle, *handle, offset);
483 } else {
484 auto iter = leaf->beginIndexOn(mFilter);
485 convert(iter, pHandle, *handle, offset);
486 }
487 }
488 }
489
490 //////////
491
492 Attribute& mAttribute;
493 const std::vector<Index64>& mPointOffsets;
494 const Index64 mStartOffset;
495 const size_t mIndex;
496 const Index mStride;
497 const FilterT& mFilter;
498 const bool mInCoreOnly;
499}; // ConvertPointDataGridAttributeOp
500
501template<typename PointDataTreeType, typename Group, typename FilterT>
502struct ConvertPointDataGridGroupOp {
503
504 using LeafNode = typename PointDataTreeType::LeafNodeType;
505 using GroupIndex = AttributeSet::Descriptor::GroupIndex;
506 using LeafManagerT = typename tree::LeafManager<const PointDataTreeType>;
507 using LeafRangeT = typename LeafManagerT::LeafRange;
508
509 ConvertPointDataGridGroupOp(Group& group,
510 const std::vector<Index64>& pointOffsets,
511 const Index64 startOffset,
512 const AttributeSet::Descriptor::GroupIndex index,
513 const FilterT& filter,
514 const bool inCoreOnly)
515 : mGroup(group)
516 , mPointOffsets(pointOffsets)
517 , mStartOffset(startOffset)
518 , mIndex(index)
519 , mFilter(filter)
520 , mInCoreOnly(inCoreOnly) { }
521
522 template <typename IterT>
523 void convert(IterT& iter, const GroupAttributeArray& groupArray, Index64& offset) const
524 {
525 const auto bitmask = static_cast<GroupType>(1 << mIndex.second);
526
527 if (groupArray.isUniform()) {
528 if (groupArray.get(0) & bitmask) {
529 for (; iter; ++iter) {
530 mGroup.setOffsetOn(static_cast<Index>(offset));
531 offset++;
532 }
533 }
534 }
535 else {
536 for (; iter; ++iter) {
537 if (groupArray.get(*iter) & bitmask) {
538 mGroup.setOffsetOn(static_cast<Index>(offset));
539 }
540 offset++;
541 }
542 }
543 }
544
545 void operator()(const LeafRangeT& range) const
546 {
547 for (auto leaf = range.begin(); leaf; ++leaf) {
548
549 assert(leaf.pos() < mPointOffsets.size());
550
551 if (mInCoreOnly && leaf->buffer().isOutOfCore()) continue;
552
553 Index64 offset = mStartOffset;
554
555 if (leaf.pos() > 0) offset += mPointOffsets[leaf.pos() - 1];
556
557 const AttributeArray& array = leaf->constAttributeArray(mIndex.first);
558 assert(isGroup(array));
559 const GroupAttributeArray& groupArray = GroupAttributeArray::cast(array);
560
561 if (mFilter.state() == index::ALL) {
562 auto iter = leaf->beginIndexOn();
563 convert(iter, groupArray, offset);
564 }
565 else {
566 auto iter = leaf->beginIndexOn(mFilter);
567 convert(iter, groupArray, offset);
568 }
569 }
570 }
571
572 //////////
573
574 Group& mGroup;
575 const std::vector<Index64>& mPointOffsets;
576 const Index64 mStartOffset;
577 const GroupIndex mIndex;
578 const FilterT& mFilter;
579 const bool mInCoreOnly;
580}; // ConvertPointDataGridGroupOp
581
582template<typename PositionArrayT, typename VecT = Vec3R>
583struct CalculatePositionBounds
584{
585 CalculatePositionBounds(const PositionArrayT& positions,
586 const math::Mat4d& inverse)
587 : mPositions(positions)
588 , mInverseMat(inverse)
589 , mMin(std::numeric_limits<Real>::max())
590 , mMax(-std::numeric_limits<Real>::max()) {}
591
592 CalculatePositionBounds(const CalculatePositionBounds& other, tbb::split)
593 : mPositions(other.mPositions)
594 , mInverseMat(other.mInverseMat)
595 , mMin(std::numeric_limits<Real>::max())
596 , mMax(-std::numeric_limits<Real>::max()) {}
597
598 void operator()(const tbb::blocked_range<size_t>& range) {
599 VecT pos;
600 for (size_t n = range.begin(), N = range.end(); n != N; ++n) {
601 mPositions.getPos(n, pos);
602 pos = mInverseMat.transform(pos);
603 mMin = math::minComponent(mMin, pos);
604 mMax = math::maxComponent(mMax, pos);
605 }
606 }
607
608 void join(const CalculatePositionBounds& other) {
609 mMin = math::minComponent(mMin, other.mMin);
610 mMax = math::maxComponent(mMax, other.mMax);
611 }
612
613 BBoxd getBoundingBox() const {
614 return BBoxd(mMin, mMax);
615 }
616
617private:
618 const PositionArrayT& mPositions;
619 const math::Mat4d& mInverseMat;
620 VecT mMin, mMax;
621};
622
623} // namespace point_conversion_internal
624
625/// @endcond
626
627////////////////////////////////////////
628
629
630template<typename CompressionT, typename PointDataGridT, typename PositionArrayT, typename PointIndexGridT>
631inline typename PointDataGridT::Ptr
632 createPointDataGrid(const PointIndexGridT& pointIndexGrid,
633 const PositionArrayT& positions,
634 const math::Transform& xform,
635 const Metadata* positionDefaultValue)
636{
637 using PointDataTreeT = typename PointDataGridT::TreeType;
638 using LeafT = typename PointDataTreeT::LeafNodeType;
639 using PointIndexLeafT = typename PointIndexGridT::TreeType::LeafNodeType;
640 using PointIndexT = typename PointIndexLeafT::ValueType;
641 using LeafManagerT = typename tree::LeafManager<PointDataTreeT>;
642 using PositionAttributeT = TypedAttributeArray<Vec3f, CompressionT>;
643
644 const NamePair positionType = PositionAttributeT::attributeType();
645
646 // construct the Tree using a topology copy of the PointIndexGrid
647
648 const auto& pointIndexTree = pointIndexGrid.tree();
649 typename PointDataTreeT::Ptr treePtr(new PointDataTreeT(pointIndexTree));
650
651 // create attribute descriptor from position type
652
653 auto descriptor = AttributeSet::Descriptor::create(positionType);
654
655 // add default value for position if provided
656
657 if (positionDefaultValue) descriptor->setDefaultValue("P", *positionDefaultValue);
658
659 // retrieve position index
660
661 const size_t positionIndex = descriptor->find("P");
662 assert(positionIndex != AttributeSet::INVALID_POS);
663
664 // acquire registry lock to avoid locking when appending attributes in parallel
665
666 AttributeArray::ScopedRegistryLock lock;
667
668 // populate position attribute
669
670 LeafManagerT leafManager(*treePtr);
671 leafManager.foreach(
672 [&](LeafT& leaf, size_t /*idx*/) {
673
674 // obtain the PointIndexLeafNode (using the origin of the current leaf)
675
676 const auto* pointIndexLeaf = pointIndexTree.probeConstLeaf(leaf.origin());
677 assert(pointIndexLeaf);
678
679 // initialise the attribute storage
680
681 Index pointCount(static_cast<Index>(pointIndexLeaf->indices().size()));
682 leaf.initializeAttributes(descriptor, pointCount, &lock);
683
684 // create write handle for position
685
686 auto attributeWriteHandle = AttributeWriteHandle<Vec3f, CompressionT>::create(
687 leaf.attributeArray(positionIndex));
688
689 Index index = 0;
690
691 const PointIndexT
692 *begin = static_cast<PointIndexT*>(nullptr),
693 *end = static_cast<PointIndexT*>(nullptr);
694
695 // iterator over every active voxel in the point index leaf
696
697 for (auto iter = pointIndexLeaf->cbeginValueOn(); iter; ++iter) {
698
699 // find the voxel center
700
701 const Coord& ijk = iter.getCoord();
702 const Vec3d& positionCellCenter(ijk.asVec3d());
703
704 // obtain pointers for this voxel from begin to end in the indices array
705
706 pointIndexLeaf->getIndices(ijk, begin, end);
707
708 while (begin < end) {
709
710 typename PositionArrayT::value_type positionWorldSpace;
711 positions.getPos(*begin, positionWorldSpace);
712
713 // compute the index-space position and then subtract the voxel center
714
715 const Vec3d positionIndexSpace = xform.worldToIndex(positionWorldSpace);
716 const Vec3f positionVoxelSpace(positionIndexSpace - positionCellCenter);
717
718 attributeWriteHandle->set(index++, positionVoxelSpace);
719
720 ++begin;
721 }
722 }
723 },
724 /*threaded=*/true);
725
726 auto grid = PointDataGridT::create(treePtr);
727 grid->setTransform(xform.copy());
728 return grid;
729}
730
731
732////////////////////////////////////////
733
734
735template <typename CompressionT, typename PointDataGridT, typename ValueT>
736inline typename PointDataGridT::Ptr
737createPointDataGrid(const std::vector<ValueT>& positions,
738 const math::Transform& xform,
739 const Metadata* positionDefaultValue)
740{
741 const PointAttributeVector<ValueT> pointList(positions);
742
743 tools::PointIndexGrid::Ptr pointIndexGrid =
744 tools::createPointIndexGrid<tools::PointIndexGrid>(pointList, xform);
745 return createPointDataGrid<CompressionT, PointDataGridT>(
746 *pointIndexGrid, pointList, xform, positionDefaultValue);
747}
748
749
750////////////////////////////////////////
751
752
753template <typename PointDataTreeT, typename PointIndexTreeT, typename PointArrayT>
754inline void
755populateAttribute(PointDataTreeT& tree, const PointIndexTreeT& pointIndexTree,
756 const openvdb::Name& attributeName, const PointArrayT& data, const Index stride,
757 const bool insertMetadata)
758{
759 using point_conversion_internal::PopulateAttributeOp;
760 using ValueType = typename PointArrayT::value_type;
761
762 auto iter = tree.cbeginLeaf();
763
764 if (!iter) return;
765
766 const size_t index = iter->attributeSet().find(attributeName);
767
768 if (index == AttributeSet::INVALID_POS) {
769 OPENVDB_THROW(KeyError, "Attribute not found to populate - " << attributeName << ".");
770 }
771
772 if (insertMetadata) {
773 point_attribute_internal::MetadataStorage<PointDataTreeT, ValueType>::add(tree, data);
774 }
775
776 // populate attribute
777
778 typename tree::LeafManager<PointDataTreeT> leafManager(tree);
779
780 PopulateAttributeOp<PointDataTreeT,
781 PointIndexTreeT,
782 PointArrayT> populate(pointIndexTree, data, index, stride);
783 tbb::parallel_for(leafManager.leafRange(), populate);
784}
785
786
787////////////////////////////////////////
788
789
790template <typename PositionAttribute, typename PointDataGridT, typename FilterT>
791inline void
792convertPointDataGridPosition( PositionAttribute& positionAttribute,
793 const PointDataGridT& grid,
794 const std::vector<Index64>& pointOffsets,
795 const Index64 startOffset,
796 const FilterT& filter,
797 const bool inCoreOnly)
798{
799 using TreeType = typename PointDataGridT::TreeType;
800 using LeafManagerT = typename tree::LeafManager<const TreeType>;
801
802 using point_conversion_internal::ConvertPointDataGridPositionOp;
803
804 const TreeType& tree = grid.tree();
805 auto iter = tree.cbeginLeaf();
806
807 if (!iter) return;
808
809 const size_t positionIndex = iter->attributeSet().find("P");
810
811 positionAttribute.expand();
812 LeafManagerT leafManager(tree);
813 ConvertPointDataGridPositionOp<TreeType, PositionAttribute, FilterT> convert(
814 positionAttribute, pointOffsets, startOffset, grid.transform(), positionIndex,
815 filter, inCoreOnly);
816 tbb::parallel_for(leafManager.leafRange(), convert);
817 positionAttribute.compact();
818}
819
820
821////////////////////////////////////////
822
823
824template <typename TypedAttribute, typename PointDataTreeT, typename FilterT>
825inline void
826convertPointDataGridAttribute( TypedAttribute& attribute,
827 const PointDataTreeT& tree,
828 const std::vector<Index64>& pointOffsets,
829 const Index64 startOffset,
830 const unsigned arrayIndex,
831 const Index stride,
832 const FilterT& filter,
833 const bool inCoreOnly)
834{
835 using LeafManagerT = typename tree::LeafManager<const PointDataTreeT>;
836
837 using point_conversion_internal::ConvertPointDataGridAttributeOp;
838
839 auto iter = tree.cbeginLeaf();
840
841 if (!iter) return;
842
843 attribute.expand();
844 LeafManagerT leafManager(tree);
845 ConvertPointDataGridAttributeOp<PointDataTreeT, TypedAttribute, FilterT> convert(
846 attribute, pointOffsets, startOffset, arrayIndex, stride,
847 filter, inCoreOnly);
848 tbb::parallel_for(leafManager.leafRange(), convert);
849 attribute.compact();
850}
851
852
853////////////////////////////////////////
854
855
856template <typename Group, typename PointDataTreeT, typename FilterT>
857inline void
858convertPointDataGridGroup( Group& group,
859 const PointDataTreeT& tree,
860 const std::vector<Index64>& pointOffsets,
861 const Index64 startOffset,
862 const AttributeSet::Descriptor::GroupIndex index,
863 const FilterT& filter,
864 const bool inCoreOnly)
865{
866 using LeafManagerT= typename tree::LeafManager<const PointDataTreeT>;
867
868 using point_conversion_internal::ConvertPointDataGridGroupOp;
869
870 auto iter = tree.cbeginLeaf();
871 if (!iter) return;
872
873 LeafManagerT leafManager(tree);
874 ConvertPointDataGridGroupOp<PointDataTreeT, Group, FilterT> convert(
875 group, pointOffsets, startOffset, index,
876 filter, inCoreOnly);
877 tbb::parallel_for(leafManager.leafRange(), convert);
878
879 // must call this after modifying point groups in parallel
880
881 group.finalize();
882}
883
884template<typename PositionWrapper, typename InterrupterT, typename VecT>
885inline float
886computeVoxelSize( const PositionWrapper& positions,
887 const uint32_t pointsPerVoxel,
888 const math::Mat4d transform,
889 const Index decimalPlaces,
890 InterrupterT* const interrupter)
891{
892 using namespace point_conversion_internal;
893
894 struct Local {
895
896 static bool voxelSizeFromVolume(const double volume,
897 const size_t estimatedVoxelCount,
898 float& voxelSize)
899 {
900 // dictated by the math::ScaleMap limit
901 static const double minimumVoxelVolume(3e-15);
902 static const double maximumVoxelVolume(std::numeric_limits<float>::max());
903
904 double voxelVolume = volume / static_cast<double>(estimatedVoxelCount);
905 bool valid = true;
906
907 if (voxelVolume < minimumVoxelVolume) {
908 voxelVolume = minimumVoxelVolume;
909 valid = false;
910 }
911 else if (voxelVolume > maximumVoxelVolume) {
912 voxelVolume = maximumVoxelVolume;
913 valid = false;
914 }
915
916 voxelSize = static_cast<float>(math::Pow(voxelVolume, 1.0/3.0));
917 return valid;
918 }
919
920 static float truncate(const float voxelSize, Index decPlaces)
921 {
922 float truncatedVoxelSize = voxelSize;
923
924 // attempt to truncate from decPlaces -> 11
925 for (int i = decPlaces; i < 11; i++) {
926 truncatedVoxelSize = static_cast<float>(math::Truncate(double(voxelSize), i));
927 if (truncatedVoxelSize != 0.0f) break;
928 }
929
930 return truncatedVoxelSize;
931 }
932 };
933
934 if (pointsPerVoxel == 0) OPENVDB_THROW(ValueError, "Points per voxel cannot be zero.");
935
936 // constructed with the default voxel size as specified by openvdb interface values
937
938 float voxelSize(0.1f);
939
940 const size_t numPoints = positions.size();
941
942 // return the default voxel size if we have zero or only 1 point
943
944 if (numPoints <= 1) return voxelSize;
945
946 size_t targetVoxelCount(numPoints / size_t(pointsPerVoxel));
947 if (targetVoxelCount == 0) targetVoxelCount++;
948
949 // calculate the world space, transform-oriented bounding box
950
951 math::Mat4d inverseTransform = transform.inverse();
952 inverseTransform = math::unit(inverseTransform);
953
954 tbb::blocked_range<size_t> range(0, numPoints);
955 CalculatePositionBounds<PositionWrapper, VecT> calculateBounds(positions, inverseTransform);
956 tbb::parallel_reduce(range, calculateBounds);
957
958 BBoxd bbox = calculateBounds.getBoundingBox();
959
960 // return default size if points are coincident
961
962 if (bbox.min() == bbox.max()) return voxelSize;
963
964 double volume = bbox.volume();
965
966 // handle points that are collinear or coplanar by expanding the volume
967
968 if (math::isApproxZero(volume)) {
969 Vec3d extents = bbox.extents().sorted().reversed();
970 if (math::isApproxZero(extents[1])) {
971 // colinear (maxExtent^3)
972 volume = extents[0]*extents[0]*extents[0];
973 }
974 else {
975 // coplanar (maxExtent*nextMaxExtent^2)
976 volume = extents[0]*extents[1]*extents[1];
977 }
978 }
979
980 double previousVolume = volume;
981
982 if (!Local::voxelSizeFromVolume(volume, targetVoxelCount, voxelSize)) {
983 OPENVDB_LOG_DEBUG("Out of range, clamping voxel size.");
984 return voxelSize;
985 }
986
987 size_t previousVoxelCount(0);
988 size_t voxelCount(1);
989
990 if (interrupter) interrupter->start("Computing voxel size");
991
992 while (voxelCount > previousVoxelCount)
993 {
994 math::Transform::Ptr newTransform;
995
996 if (!math::isIdentity(transform))
997 {
998 // if using a custom transform, pre-scale by coefficients
999 // which define the new voxel size
1000
1001 math::Mat4d matrix(transform);
1002 matrix.preScale(Vec3d(voxelSize) / math::getScale(matrix));
1003 newTransform = math::Transform::createLinearTransform(matrix);
1004 }
1005 else
1006 {
1007 newTransform = math::Transform::createLinearTransform(voxelSize);
1008 }
1009
1010 // create a mask grid of the points from the calculated voxel size
1011 // this is the same function call as tools::createPointMask() which has
1012 // been duplicated to provide an interrupter
1013
1014 MaskGrid::Ptr mask = createGrid<MaskGrid>(false);
1015 mask->setTransform(newTransform);
1016 tools::PointsToMask<MaskGrid, InterrupterT> pointMaskOp(*mask, interrupter);
1017 pointMaskOp.template addPoints<PositionWrapper, VecT>(positions);
1018
1019 if (interrupter && util::wasInterrupted(interrupter)) break;
1020
1021 previousVoxelCount = voxelCount;
1022 voxelCount = mask->activeVoxelCount();
1023 volume = math::Pow3(voxelSize) * static_cast<float>(voxelCount);
1024
1025 // stop if no change in the volume or the volume has increased
1026
1027 if (volume >= previousVolume) break;
1028 previousVolume = volume;
1029
1030 const float previousVoxelSize = voxelSize;
1031
1032 // compute the new voxel size and if invalid return the previous value
1033
1034 if (!Local::voxelSizeFromVolume(volume, targetVoxelCount, voxelSize)) {
1035 voxelSize = previousVoxelSize;
1036 break;
1037 }
1038
1039 // halt convergence if the voxel size has decreased by less
1040 // than 10% in this iteration
1041
1042 if (voxelSize / previousVoxelSize > 0.9f) break;
1043 }
1044
1045 if (interrupter) interrupter->end();
1046
1047 // truncate the voxel size for readability and return the value
1048
1049 return Local::truncate(voxelSize, decimalPlaces);
1050}
1051
1052
1053////////////////////////////////////////
1054
1055
1056} // namespace points
1057} // namespace OPENVDB_VERSION_NAME
1058} // namespace openvdb
1059
1060#endif // OPENVDB_POINTS_POINT_CONVERSION_HAS_BEEN_INCLUDED
AttributeArrayString.h
Attribute array storage for string data using Descriptor Metadata.
AttributeSet.h
Set of Attribute Arrays which tracks metadata about each array.
value
ValueT value
Definition: GridBuilder.h:1290
IndexFilter.h
Index filters primarily designed to be used with a FilterIndexIter.
NullInterrupter.h
PointAttribute.h
Point attribute manipulation in a VDB Point Grid.
PointDataGrid.h
Attribute-owned data structure for points. Point attributes are stored in leaf nodes and ordered by v...
PointGroup.h
Point group manipulation in a VDB Point Grid.
PointIndexGrid.h
Space-partitioning acceleration structure for points. Partitions the points into voxels to accelerate...
PointsToMask.h
This tool produces a grid where every voxel that contains a point is active. It employs thread-local ...
Transform.h
openvdb::v10_0::Grid::Ptr
SharedPtr< Grid > Ptr
Definition: Grid.h:573
openvdb::v10_0::KeyError
Definition: Exceptions.h:59
openvdb::v10_0::Metadata
Base class for storing metadata information in a grid.
Definition: Metadata.h:24
openvdb::v10_0::ValueError
Definition: Exceptions.h:65
openvdb::v10_0::math::BBox< Vec3d >
openvdb::v10_0::math::BBox::max
const Vec3T & max() const
Return a const reference to the maximum point of this bounding box.
Definition: BBox.h:64
openvdb::v10_0::math::BBox::volume
ElementType volume() const
Return the volume enclosed by this bounding box.
Definition: BBox.h:100
openvdb::v10_0::math::BBox::extents
Vec3T extents() const
Return the extents of this bounding box, i.e., the length along each axis.
Definition: BBox.h:253
openvdb::v10_0::math::BBox::min
const Vec3T & min() const
Return a const reference to the minimum point of this bounding box.
Definition: BBox.h:62
openvdb::v10_0::math::Coord
Signed (x, y, z) 32-bit integer coordinates.
Definition: Coord.h:25
openvdb::v10_0::math::Coord::asVec3d
Vec3d asVec3d() const
Definition: Coord.h:143
openvdb::v10_0::math::Mat4< double >
openvdb::v10_0::math::Mat4::preScale
void preScale(const Vec3< T0 > &v)
Definition: Mat4.h:736
openvdb::v10_0::math::Mat4::inverse
Mat4 inverse(T tolerance=0) const
Definition: Mat4.h:485
openvdb::v10_0::math::Transform
Definition: Transform.h:40
openvdb::v10_0::math::Transform::copy
Ptr copy() const
Definition: Transform.h:50
openvdb::v10_0::math::Transform::worldToIndex
Vec3d worldToIndex(const Vec3d &xyz) const
Definition: Transform.h:110
openvdb::v10_0::math::Transform::Ptr
SharedPtr< Transform > Ptr
Definition: Transform.h:42
openvdb::v10_0::math::Vec3< Real >
openvdb::v10_0::math::Vec3::sorted
Vec3< T > sorted() const
Return a vector with the components of this in ascending order.
Definition: Vec3.h:450
openvdb::v10_0::points::AttributeArray::ScopedRegistryLock
Definition: AttributeArray.h:119
openvdb::v10_0::points::AttributeWriteHandle
Write-able version of AttributeHandle.
Definition: AttributeArray.h:907
openvdb::v10_0::points::PointAttributeVector
Point-partitioner compatible STL vector attribute wrapper for convenience.
Definition: PointConversion.h:205
openvdb::v10_0::points::PointAttributeVector::size
size_t size() const
Definition: PointConversion.h:215
openvdb::v10_0::points::PointAttributeVector::get
void get(ValueType &value, size_t n, openvdb::Index m) const
Definition: PointConversion.h:218
openvdb::v10_0::points::PointAttributeVector::get
void get(ValueType &value, size_t n) const
Definition: PointConversion.h:217
openvdb::v10_0::points::PointAttributeVector::value_type
ValueType value_type
Definition: PointConversion.h:208
openvdb::v10_0::points::PointAttributeVector::PointAttributeVector
PointAttributeVector(const std::vector< value_type > &data, const Index stride=1)
Definition: PointConversion.h:210
openvdb::v10_0::points::PointAttributeVector::getPos
void getPos(size_t n, ValueType &xyz) const
Definition: PointConversion.h:216
openvdb::v10_0::points::PointAttributeVector::PosType
ValueType PosType
Definition: PointConversion.h:207
openvdb::v10_0::points::TypedAttributeArray
Typed class for storing attribute data.
Definition: AttributeArray.h:545
openvdb::v10_0::tools::PointsToMask
Makes every voxel of a grid active if it contains a point.
Definition: PointsToMask.h:107
openvdb::v10_0::tree::LeafManager
This class manages a linear array of pointers to a given tree's leaf nodes, as well as optional auxil...
Definition: LeafManager.h:85
openvdb::v10_0::tree::LeafManager::tree
const TreeType & tree() const
Return a const reference to tree associated with this manager.
Definition: LeafManager.h:302
openvdb::v10_0::tree::LeafManager::leafRange
LeafRange leafRange(size_t grainsize=1) const
Return a TBB-compatible LeafRange.
Definition: LeafManager.h:345
OPENVDB_LOG_DEBUG
#define OPENVDB_LOG_DEBUG(message)
In debug builds only, log a debugging message of the form 'someVar << "text" << .....
Definition: logging.h:266
nanovdb::Vec3R
Vec3< double > Vec3R
Definition: NanoVDB.h:1287
nanovdb::Pow3
T Pow3(T x)
Definition: NanoVDB.h:843
nanovdb::GridBlindDataClass::AttributeArray
@ AttributeArray
nanovdb::Vec3d
Vec3< double > Vec3d
Definition: NanoVDB.h:1288
nanovdb::isApproxZero
bool isApproxZero(const Type &x)
Definition: NanoVDB.h:752
openvdb::v10_0::math::Pow
Type Pow(Type x, int n)
Return xn.
Definition: Math.h:561
openvdb::v10_0::math::getScale
Vec3< typename MatType::value_type > getScale(const MatType &mat)
Return a Vec3 representing the lengths of the passed matrix's upper 3×3's rows.
Definition: Mat.h:633
openvdb::v10_0::math::maxComponent
Vec2< T > maxComponent(const Vec2< T > &v1, const Vec2< T > &v2)
Return component-wise maximum of the two vectors.
Definition: Vec2.h:513
openvdb::v10_0::math::calculateBounds
OPENVDB_API void calculateBounds(const Transform &t, const Vec3d &minWS, const Vec3d &maxWS, Vec3d &minIS, Vec3d &maxIS)
Calculate an axis-aligned bounding box in index space from an axis-aligned bounding box in world spac...
openvdb::v10_0::math::unit
MatType unit(const MatType &mat, typename MatType::value_type eps=1.0e-8)
Return a copy of the given matrix with its upper 3×3 rows normalized.
Definition: Mat.h:648
openvdb::v10_0::math::Truncate
Type Truncate(Type x, unsigned int digits)
Return x truncated to the given number of decimal digits.
Definition: Math.h:870
openvdb::v10_0::math::Mat4d
Mat4< double > Mat4d
Definition: Mat4.h:1354
openvdb::v10_0::math::minComponent
Vec2< T > minComponent(const Vec2< T > &v1, const Vec2< T > &v2)
Return component-wise minimum of the two vectors.
Definition: Vec2.h:504
openvdb::v10_0::math::isIdentity
bool isIdentity(const MatType &m)
Determine if a matrix is an identity matrix.
Definition: Mat.h:860
openvdb::v10_0::points::index::ALL
@ ALL
Definition: IndexIterator.h:43
openvdb::v10_0::points::internal::void_t
void void_t
Definition: PointConversion.h:168
openvdb::v10_0::points::point_move_internal::IndexArray
std::vector< Index > IndexArray
Definition: PointMove.h:161
openvdb::v10_0::points::createPointDataGrid
PointDataGridT::Ptr createPointDataGrid(const std::vector< ValueT > &positions, const math::Transform &xform, const Metadata *positionDefaultValue=nullptr)
Convenience method to create a PointDataGrid from a std::vector of point positions.
Definition: PointConversion.h:737
openvdb::v10_0::points::isGroup
bool isGroup(const AttributeArray &array)
Definition: AttributeGroup.h:63
openvdb::v10_0::points::convertPointDataGridGroup
void convertPointDataGridGroup(Group &group, const PointDataTreeT &tree, const std::vector< Index64 > &pointOffsets, const Index64 startOffset, const AttributeSet::Descriptor::GroupIndex index, const FilterT &filter=NullFilter(), const bool inCoreOnly=false)
Convert the group from a PointDataGrid.
Definition: PointConversion.h:858
openvdb::v10_0::points::pointOffsets
Index64 pointOffsets(std::vector< Index64 > &pointOffsets, const PointDataTreeT &tree, const FilterT &filter=NullFilter(), const bool inCoreOnly=false, const bool threaded=true)
Populate an array of cumulative point offsets per leaf node.
Definition: PointCount.h:122
openvdb::v10_0::points::GroupType
uint8_t GroupType
Definition: AttributeSet.h:31
openvdb::v10_0::points::computeVoxelSize
float computeVoxelSize(const PositionWrapper &positions, const uint32_t pointsPerVoxel, const math::Mat4d transform=math::Mat4d::identity(), const Index decimalPlaces=5, InterrupterT *const interrupter=nullptr)
Definition: PointConversion.h:886
openvdb::v10_0::points::pointCount
Index64 pointCount(const PointDataTreeT &tree, const FilterT &filter=NullFilter(), const bool inCoreOnly=false, const bool threaded=true)
Count the total number of points in a PointDataTree.
Definition: PointCount.h:88
openvdb::v10_0::points::GroupAttributeArray
TypedAttributeArray< GroupType, GroupCodec > GroupAttributeArray
Definition: AttributeGroup.h:40
openvdb::v10_0::points::convertPointDataGridAttribute
void convertPointDataGridAttribute(TypedAttribute &attribute, const PointDataTreeT &tree, const std::vector< Index64 > &pointOffsets, const Index64 startOffset, const unsigned arrayIndex, const Index stride=1, const FilterT &filter=NullFilter(), const bool inCoreOnly=false)
Convert the attribute from a PointDataGrid.
Definition: PointConversion.h:826
openvdb::v10_0::points::convertPointDataGridPosition
void convertPointDataGridPosition(PositionAttribute &positionAttribute, const PointDataGridT &grid, const std::vector< Index64 > &pointOffsets, const Index64 startOffset, const FilterT &filter=NullFilter(), const bool inCoreOnly=false)
Convert the position attribute from a Point Data Grid.
Definition: PointConversion.h:792
openvdb::v10_0::points::populateAttribute
void populateAttribute(PointDataTreeT &tree, const PointIndexTreeT &pointIndexTree, const openvdb::Name &attributeName, const PointArrayT &data, const Index stride=1, const bool insertMetadata=true)
Stores point attribute data in an existing PointDataGrid attribute.
Definition: PointConversion.h:755
openvdb::v10_0::tools::composite::max
const std::enable_if<!VecTraits< T >::IsVec, T >::type & max(const T &a, const T &b)
Definition: Composite.h:110
openvdb::v10_0::util::wasInterrupted
bool wasInterrupted(T *i, int percent=-1)
Definition: NullInterrupter.h:49
openvdb::v10_0::Name
std::string Name
Definition: Name.h:17
openvdb::v10_0::Index
Index32 Index
Definition: Types.h:54
openvdb::v10_0::NamePair
std::pair< Name, Name > NamePair
Definition: AttributeArray.h:39
openvdb::v10_0::Real
double Real
Definition: Types.h:60
openvdb::v10_0::BBoxd
math::BBox< Vec3d > BBoxd
Definition: Types.h:84
openvdb::v10_0::Index64
uint64_t Index64
Definition: Types.h:53
openvdb
Definition: Exceptions.h:13
std
Definition: Coord.h:587
OPENVDB_THROW
#define OPENVDB_THROW(exception, message)
Definition: Exceptions.h:74
openvdb::v10_0::VecTraits::Size
static const int Size
Definition: Types.h:207
openvdb::v10_0::points::internal::ValueTypeTraits< T, void_t< typename T::value_type > >::Type
typename T::value_type Type
Definition: PointConversion.h:172
openvdb::v10_0::points::internal::ValueTypeTraits
Definition: PointConversion.h:170
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