OpenVDB: LevelSetMeasure.h Source File

OpenVDB 3.2.0

LevelSetMeasure.h
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1 //
3 // Copyright (c) 2012-2016 DreamWorks Animation LLC
4 //
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34
35 #ifndef OPENVDB_TOOLS_LEVELSETMEASURE_HAS_BEEN_INCLUDED
36 #define OPENVDB_TOOLS_LEVELSETMEASURE_HAS_BEEN_INCLUDED
37
38 #include <tbb/parallel_for.h>
39 #include <tbb/parallel_sort.h>
40 #include <boost/bind.hpp>
41 #include <boost/function.hpp>
42 #include <boost/type_traits/is_floating_point.hpp>
43 #include <boost/utility/enable_if.hpp>
44 #include <boost/math/constants/constants.hpp>//for Pi
45 #include <openvdb/math/Math.h>
46 #include <openvdb/Types.h>
47 #include <openvdb/Grid.h>
48 #include <openvdb/tree/LeafManager.h>
49 #include <openvdb/tree/ValueAccessor.h>
50 #include <openvdb/math/FiniteDifference.h>
51 #include <openvdb/math/Operators.h>
52 #include <openvdb/util/NullInterrupter.h>
53
54 namespace openvdb {
55 OPENVDB_USE_VERSION_NAMESPACE
56 namespace OPENVDB_VERSION_NAME {
57 namespace tools {
58
67 template<class GridType>
68 inline Real
69 levelSetArea(const GridType& grid, bool useWorldSpace = true);
70
79 template<class GridType>
80 inline Real
81 levelSetVolume(const GridType& grid, bool useWorldSpace = true);
82
93 template<class GridType>
94 inline void
95 levelSetMeasure(const GridType& grid, Real& area, Real& volume, bool useWorldSpace = true);
96
108 template<class GridType>
109 inline void
110 levelSetMeasure(const GridType& grid, Real& area, Real& volume, Real& avgCurvature,
111 bool useWorldSpace = true);
112
114 template<typename RealT>
115 class DiracDelta
116 {
117 public:
118 DiracDelta(RealT eps) : mC(0.5/eps), mD(2*boost::math::constants::pi<RealT>()*mC), mE(eps) {}
119 inline RealT operator()(RealT phi) const { return math::Abs(phi) > mE ? 0 : mC*(1+cos(mD*phi)); }
120 private:
121 const RealT mC, mD, mE;
122 };
123
124
132 template<typename GridT,
133 typename InterruptT = util::NullInterrupter>
134 class LevelSetMeasure
135 {
136 public:
137 typedef GridT GridType;
138 typedef typename GridType::TreeType TreeType;
139 typedef typename TreeType::ValueType ValueType;
140 typedef typename tree::LeafManager<const TreeType> ManagerType;
141 BOOST_STATIC_ASSERT(boost::is_floating_point<ValueType>::value);
142
147 LevelSetMeasure(const GridType& grid, InterruptT* interrupt = NULL);
148
149 LevelSetMeasure(ManagerType& leafs, Real Dx, InterruptT* interrupt);
150
152 void reinit(const GridType& grid);
153
155 void reinit(ManagerType& leafs, Real dx);
156
158 virtual ~LevelSetMeasure() {}
159
161 int getGrainSize() const { return mGrainSize; }
162
165 void setGrainSize(int grainsize) { mGrainSize = grainsize; }
166
172 void measure(Real& area, Real& volume, bool useWorldUnits = true);
173
179 void measure(Real& area, Real& volume, Real& avgMeanCurvature, bool useWorldUnits = true);
180
181 private:
182 // disallow copy construction and copy by assignment!
183 LevelSetMeasure(const LevelSetMeasure&);// not implemented
184 LevelSetMeasure& operator=(const LevelSetMeasure&);// not implemented
185
186 const TreeType* mTree;
187 ManagerType* mLeafs;
188 InterruptT* mInterrupter;
189 double mDx;
190 double* mArray;
191 int mGrainSize;
192
193 // @brief Return false if the process was interrupted
194 bool checkInterrupter();
195
196 typedef typename TreeType::LeafNodeType LeafT;
197 typedef typename LeafT::ValueOnCIter VoxelCIterT;
198 typedef typename ManagerType::LeafRange LeafRange;
199 typedef typename LeafRange::Iterator LeafIterT;
200
201 struct Measure2
202 {
203 Measure2(LevelSetMeasure* parent) : mParent(parent), mAcc(*mParent->mTree)
204 {
205 if (parent->mGrainSize>0) {
206 tbb::parallel_for(parent->mLeafs->leafRange(parent->mGrainSize), *this);
207 } else {
208 (*this)(parent->mLeafs->leafRange());
209 }
210 }
211 Measure2(const Measure2& other) : mParent(other.mParent), mAcc(*mParent->mTree) {}
212 void operator()(const LeafRange& range) const;
213 LevelSetMeasure* mParent;
214 typename GridT::ConstAccessor mAcc;
215 };
216 struct Measure3
217 {
218 Measure3(LevelSetMeasure* parent) : mParent(parent), mAcc(*mParent->mTree)
219 {
220 if (parent->mGrainSize>0) {
221 tbb::parallel_for(parent->mLeafs->leafRange(parent->mGrainSize), *this);
222 } else {
223 (*this)(parent->mLeafs->leafRange());
224 }
225 }
226 Measure3(const Measure3& other) : mParent(other.mParent), mAcc(*mParent->mTree) {}
227 void operator()(const LeafRange& range) const;
228 LevelSetMeasure* mParent;
229 typename GridT::ConstAccessor mAcc;
230 };
231 inline double reduce(double* first, double scale)
232 {
233 double* last = first + mLeafs->leafCount();
234 tbb::parallel_sort(first, last);//reduces catastrophic cancellation
235 Real sum = 0.0;
236 while(first != last) sum += *first++;
237 return scale * sum;
238 }
239
240 }; // end of LevelSetMeasure class
241
242
243 template<typename GridT, typename InterruptT>
244 inline
245 LevelSetMeasure<GridT, InterruptT>::LevelSetMeasure(const GridType& grid, InterruptT* interrupt)
246 : mTree(&(grid.tree()))
247 , mLeafs(NULL)
248 , mInterrupter(interrupt)
249 , mDx(grid.voxelSize()[0])
250 , mArray(NULL)
251 , mGrainSize(1)
252 {
253 if (!grid.hasUniformVoxels()) {
254 OPENVDB_THROW(RuntimeError,
255 "The transform must have uniform scale for the LevelSetMeasure to function");
256 }
257 if (grid.getGridClass() != GRID_LEVEL_SET) {
258 OPENVDB_THROW(RuntimeError,
259 "LevelSetMeasure only supports level sets;"
260 " try setting the grid class to \"level set\"");
261 }
262 }
263
264
265 template<typename GridT, typename InterruptT>
266 inline
267 LevelSetMeasure<GridT, InterruptT>::LevelSetMeasure(
268 ManagerType& leafs, Real dx, InterruptT* interrupt)
269 : mTree(&(leafs.tree()))
270 , mLeafs(&leafs)
271 , mInterrupter(interrupt)
272 , mDx(dx)
273 , mArray(NULL)
274 , mGrainSize(1)
275 {
276 }
277
278 template<typename GridT, typename InterruptT>
279 inline void
280 LevelSetMeasure<GridT, InterruptT>::reinit(const GridType& grid)
281 {
282 if (!grid.hasUniformVoxels()) {
283 OPENVDB_THROW(RuntimeError,
284 "The transform must have uniform scale for the LevelSetMeasure to function");
285 }
286 if (grid.getGridClass() != GRID_LEVEL_SET) {
287 OPENVDB_THROW(RuntimeError,
288 "LevelSetMeasure only supports level sets;"
289 " try setting the grid class to \"level set\"");
290 }
291 mTree = &(grid.tree());
292 mLeafs = NULL;
293 mDx = grid.voxelSize()[0];
294 }
295
296
297 template<typename GridT, typename InterruptT>
298 inline void
299 LevelSetMeasure<GridT, InterruptT>::reinit(ManagerType& leafs, Real dx)
300 {
301 mLeafs = &leafs;
302 mTree = &(leafs.tree());
303 mDx = dx;
304 }
305
307
308
309 template<typename GridT, typename InterruptT>
310 inline void
311 LevelSetMeasure<GridT, InterruptT>::measure(Real& area, Real& volume, bool useWorldUnits)
312 {
313 if (mInterrupter) mInterrupter->start("Measuring level set");
314
315
316 const bool newLeafs = mLeafs == NULL;
317 if (newLeafs) mLeafs = new ManagerType(*mTree);
318 const size_t leafCount = mLeafs->leafCount();
319 if (leafCount == 0) {
320 area = volume = 0;
321 return;
322 }
323 mArray = new double[2*leafCount];
324
325 Measure2 m(this);
326
327 const double dx = useWorldUnits ? mDx : 1.0;
328 area = this->reduce(mArray, math::Pow2(dx));
329 volume = this->reduce(mArray + leafCount, math::Pow3(dx) / 3.0);
330
331 if (newLeafs) {
332 delete mLeafs;
333 mLeafs = NULL;
334 }
335 delete [] mArray;
336
337 if (mInterrupter) mInterrupter->end();
338 }
339
340
341 template<typename GridT, typename InterruptT>
342 inline void
343 LevelSetMeasure<GridT, InterruptT>::measure(Real& area, Real& volume,
344 Real& avgMeanCurvature,
345 bool useWorldUnits)
346 {
347 if (mInterrupter) mInterrupter->start("Measuring level set");
348
349 const bool newLeafs = mLeafs == NULL;
350 if (newLeafs) mLeafs = new ManagerType(*mTree);
351 const size_t leafCount = mLeafs->leafCount();
352 if (leafCount == 0) {
353 area = volume = avgMeanCurvature = 0;
354 return;
355 }
356 mArray = new double[3*leafCount];
357
358 Measure3 m(this);
359
360 const double dx = useWorldUnits ? mDx : 1.0;
361 area = this->reduce(mArray, math::Pow2(dx));
362 volume = this->reduce(mArray + leafCount, math::Pow3(dx) / 3.0);
363 avgMeanCurvature = this->reduce(mArray + 2*leafCount, dx/area);
364
365 if (newLeafs) {
366 delete mLeafs;
367 mLeafs = NULL;
368 }
369 delete [] mArray;
370
371 if (mInterrupter) mInterrupter->end();
372 }
373
374
376
377
378 template<typename GridT, typename InterruptT>
379 inline bool
380 LevelSetMeasure<GridT, InterruptT>::checkInterrupter()
381 {
382 if (util::wasInterrupted(mInterrupter)) {
383 tbb::task::self().cancel_group_execution();
384 return false;
385 }
386 return true;
387 }
388
389 template<typename GridT, typename InterruptT>
390 inline void
391 LevelSetMeasure<GridT, InterruptT>::
392 Measure2::operator()(const LeafRange& range) const
393 {
394 typedef math::Vec3<ValueType> Vec3T;
395 typedef math::ISGradient<math::CD_2ND> Grad;
396 mParent->checkInterrupter();
397 const Real invDx = 1.0/mParent->mDx;
398 const DiracDelta<Real> DD(1.5);
399 const size_t leafCount = mParent->mLeafs->leafCount();
400 for (LeafIterT leafIter=range.begin(); leafIter; ++leafIter) {
401 Real sumA = 0, sumV = 0;//reduce risk of catastrophic cancellation
402 for (VoxelCIterT voxelIter = leafIter->cbeginValueOn(); voxelIter; ++voxelIter) {
403 const Real dd = DD(invDx * (*voxelIter));
404 if (dd > 0.0) {
405 const Coord p = voxelIter.getCoord();
406 const Vec3T g = invDx*Grad::result(mAcc, p);//voxel units
407 sumA += dd * g.dot(g);
408 sumV += dd * (g[0]*p[0]+g[1]*p[1]+g[2]*p[2]);
409 }
410 }
411 double* v = mParent->mArray + leafIter.pos();
412 *v = sumA;
413 v += leafCount;
414 *v = sumV;
415 }
416 }
417
418 template<typename GridT, typename InterruptT>
419 inline void
420 LevelSetMeasure<GridT, InterruptT>::
421 Measure3::operator()(const LeafRange& range) const
422 {
423 typedef math::Vec3<ValueType> Vec3T;
424 typedef math::ISGradient<math::CD_2ND> Grad;
425 typedef math::ISMeanCurvature<math::CD_SECOND, math::CD_2ND> Curv;
426 mParent->checkInterrupter();
427 const Real invDx = 1.0/mParent->mDx;
428 const DiracDelta<Real> DD(1.5);
429 ValueType alpha, beta;
430 const size_t leafCount = mParent->mLeafs->leafCount();
431 for (LeafIterT leafIter=range.begin(); leafIter; ++leafIter) {
432 Real sumA = 0, sumV = 0, sumC = 0;//reduce risk of catastrophic cancellation
433 for (VoxelCIterT voxelIter = leafIter->cbeginValueOn(); voxelIter; ++voxelIter) {
434 const Real dd = DD(invDx * (*voxelIter));
435 if (dd > 0.0) {
436 const Coord p = voxelIter.getCoord();
437 const Vec3T g = invDx*Grad::result(mAcc, p);//voxel units
438 const Real dA = dd * g.dot(g);
439 sumA += dA;
440 sumV += dd * (g[0]*p[0]+g[1]*p[1]+g[2]*p[2]);
441 Curv::result(mAcc, p, alpha, beta);
442 sumC += dA * alpha/(2*math::Pow2(beta))*invDx;
443 }
444 }
445 double* v = mParent->mArray + leafIter.pos();
446 *v = sumA;
447 v += leafCount;
448 *v = sumV;
449 v += leafCount;
450 *v = sumC;
451 }
452 }
453
455
456 template<class GridT>
457 inline typename boost::enable_if<boost::is_floating_point<typename GridT::ValueType>, Real>::type
458 doLevelSetArea(const GridT& grid, bool useWorldSpace)
459 {
460 Real area, volume;
461 LevelSetMeasure<GridT> m(grid);
462 m.measure(area, volume, useWorldSpace);
463 return area;
464 }
465
466 template<class GridT>
467 inline typename boost::disable_if<boost::is_floating_point<typename GridT::ValueType>, Real>::type
468 doLevelSetArea(const GridT&, bool)
469 {
470 OPENVDB_THROW(TypeError,
471 "level set area is supported only for scalar, floating-point grids");
472 }
473
474 template<class GridT>
475 inline Real
476 levelSetArea(const GridT& grid, bool useWorldSpace)
477 {
478 return doLevelSetArea<GridT>(grid, useWorldSpace);
479 }
480
482
483 template<class GridT>
484 inline typename boost::enable_if<boost::is_floating_point<typename GridT::ValueType>, Real>::type
485 doLevelSetVolume(const GridT& grid, bool useWorldSpace)
486 {
487 Real area, volume;
488 LevelSetMeasure<GridT> m(grid);
489 m.measure(area, volume, useWorldSpace);
490 return volume;
491 }
492
493 template<class GridT>
494 inline typename boost::disable_if<boost::is_floating_point<typename GridT::ValueType>, Real>::type
495 doLevelSetVolume(const GridT&, bool)
496 {
497 OPENVDB_THROW(TypeError,
498 "level set volume is supported only for scalar, floating-point grids");
499 }
500
501 template<class GridT>
502 inline Real
503 levelSetVolume(const GridT& grid, bool useWorldSpace)
504 {
505 return doLevelSetVolume<GridT>(grid, useWorldSpace);
506 }
507
509
510 template<class GridT>
511 inline typename boost::enable_if<boost::is_floating_point<typename GridT::ValueType> >::type
512 doLevelSetMeasure(const GridT& grid, Real& area, Real& volume, bool useWorldSpace)
513 {
514 LevelSetMeasure<GridT> m(grid);
515 m.measure(area, volume, useWorldSpace);
516 }
517
518 template<class GridT>
519 inline typename boost::disable_if<boost::is_floating_point<typename GridT::ValueType> >::type
520 doLevelSetMeasure(const GridT&, Real&, Real&, bool)
521 {
522 OPENVDB_THROW(TypeError,
523 "level set measure is supported only for scalar, floating-point grids");
524 }
525
526 template<class GridT>
527 inline void
528 levelSetMeasure(const GridT& grid, Real& area, Real& volume, bool useWorldSpace)
529 {
530 doLevelSetMeasure<GridT>(grid, area, volume, useWorldSpace);
531 }
532
534
535 template<class GridT>
536 inline typename boost::enable_if<boost::is_floating_point<typename GridT::ValueType> >::type
537 doLevelSetMeasure(const GridT& grid, Real& area, Real& volume, Real& avgCurvature,
538 bool useWorldSpace)
539 {
540 LevelSetMeasure<GridT> m(grid);
541 m.measure(area, volume, avgCurvature, useWorldSpace);
542 }
543
544 template<class GridT>
545 inline typename boost::disable_if<boost::is_floating_point<typename GridT::ValueType> >::type
546 doLevelSetMeasure(const GridT&, Real&, Real&, Real&, bool)
547 {
548 OPENVDB_THROW(TypeError,
549 "level set measure is supported only for scalar, floating-point grids");
550 }
551
552 template<class GridT>
553 inline void
554 levelSetMeasure(const GridT& grid, Real& area, Real& volume, Real& avgCurvature, bool useWorldSpace)
555 {
556 doLevelSetMeasure<GridT>(grid, area, volume, avgCurvature, useWorldSpace);
557 }
558
559 } // namespace tools
560 } // namespace OPENVDB_VERSION_NAME
561 } // namespace openvdb
562
563 #endif // OPENVDB_TOOLS_LEVELSETMEASURE_HAS_BEEN_INCLUDED
564
565 // Copyright (c) 2012-2016 DreamWorks Animation LLC
566 // All rights reserved. This software is distributed under the
567 // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
FiniteDifference.h
openvdb::v3_2_0::tools::levelSetArea
Real levelSetArea(const GridType &grid, bool useWorldSpace=true)
Return the surface area of a narrow-band level set.
openvdb::v3_2_0::math::Abs
Coord Abs(const Coord &xyz)
Definition: Coord.h:247
openvdb::v3_2_0::tree::LeafManager::LeafRange
Definition: LeafManager.h:132
Types.h
openvdb::v3_2_0::tools::LevelSetMeasure::TreeType
GridType::TreeType TreeType
Definition: LevelSetMeasure.h:138
NullInterrupter.h
Math.h
General-purpose arithmetic and comparison routines, most of which accept arbitrary value types (or at...
openvdb::v3_2_0::util::NullInterrupter
Dummy NOOP interrupter class defining interface.
Definition: NullInterrupter.h:52
openvdb::v3_2_0::tools::levelSetMeasure
void levelSetMeasure(const GridType &grid, Real &area, Real &volume, bool useWorldSpace=true)
Compute the surface area and volume of a narrow-band level set.
openvdb::v3_2_0::math::Vec3
Definition: Mat.h:146
openvdb::v3_2_0::math::Pow2
Type Pow2(Type x)
Return .
Definition: Math.h:514
OPENVDB_THROW
#define OPENVDB_THROW(exception, message)
Definition: Exceptions.h:97
openvdb::v3_2_0::tools::levelSetArea
Real levelSetArea(const GridT &grid, bool useWorldSpace)
Definition: LevelSetMeasure.h:476
openvdb::v3_2_0::math::Pow3
Type Pow3(Type x)
Return .
Definition: Math.h:518
openvdb::v3_2_0::tree::LeafManager
This class manages a linear array of pointers to a given tree&#39;s leaf nodes, as well as optional auxil...
Definition: LeafManager.h:115
openvdb::v3_2_0::math::Coord
Signed (x, y, z) 32-bit integer coordinates.
Definition: Coord.h:47
openvdb::v3_2_0::tools::DiracDelta
Smeared-out and continuous Dirac Delta function.
Definition: LevelSetMeasure.h:115
openvdb::v3_2_0::Real
double Real
Definition: Types.h:64
openvdb::v3_2_0::tools::LevelSetMeasure::ManagerType
tree::LeafManager< const TreeType > ManagerType
Definition: LevelSetMeasure.h:140
openvdb::v3_2_0::tools::LevelSetMeasure::ValueType
TreeType::ValueType ValueType
Definition: LevelSetMeasure.h:139
openvdb::v3_2_0::tools::LevelSetMeasure::GridType
GridT GridType
Definition: LevelSetMeasure.h:137
openvdb::v3_2_0::tools::DiracDelta::operator()
RealT operator()(RealT phi) const
Definition: LevelSetMeasure.h:119
OPENVDB_VERSION_NAME
#define OPENVDB_VERSION_NAME
Definition: version.h:43
openvdb::v3_2_0::tools::levelSetVolume
Real levelSetVolume(const GridType &grid, bool useWorldSpace=true)
Return the volume of a narrow-band level set surface.
openvdb::v3_2_0::tools::LevelSetMeasure
Multi-threaded computation of surface area, volume and average mean-curvature for narrow band level s...
Definition: LevelSetMeasure.h:134
openvdb::v3_2_0::tools::doLevelSetVolume
boost::enable_if< boost::is_floating_point< typename GridT::ValueType >, Real >::type doLevelSetVolume(const GridT &grid, bool useWorldSpace)
Definition: LevelSetMeasure.h:485
openvdb::v3_2_0::math::ISGradient
Gradient operators defined in index space of various orders.
Definition: Operators.h:122
openvdb::v3_2_0::RuntimeError
Definition: Exceptions.h:86
openvdb
Definition: Exceptions.h:39
openvdb::v3_2_0::math::scale
MatType scale(const Vec3< typename MatType::value_type > &s)
Return a matrix that scales by s.
Definition: Mat.h:594
openvdb::v3_2_0::tools::LevelSetMeasure::measure
void measure(Real &area, Real &volume, bool useWorldUnits=true)
Compute the surface area and volume of the level set. Use the last argument to specify the result in ...
Definition: LevelSetMeasure.h:311
openvdb::v3_2_0::tools::levelSetVolume
Real levelSetVolume(const GridT &grid, bool useWorldSpace)
Definition: LevelSetMeasure.h:503
openvdb::v3_2_0::tree::LeafManager::leafCount
size_t leafCount() const
Return the number of leaf nodes.
Definition: LeafManager.h:335
openvdb::v3_2_0::tools::LevelSetMeasure::LevelSetMeasure
LevelSetMeasure(const GridType &grid, InterruptT *interrupt=NULL)
Main constructor from a grid.
Definition: LevelSetMeasure.h:245
openvdb::v3_2_0::tools::doLevelSetArea
boost::enable_if< boost::is_floating_point< typename GridT::ValueType >, Real >::type doLevelSetArea(const GridT &grid, bool useWorldSpace)
Definition: LevelSetMeasure.h:458
openvdb::v3_2_0::TypeError
Definition: Exceptions.h:87
openvdb::v3_2_0::tree::LeafManager::LeafRange::begin
Iterator begin() const
Definition: LeafManager.h:188
ValueAccessor.h
openvdb::v3_2_0::tools::doLevelSetMeasure
boost::enable_if< boost::is_floating_point< typename GridT::ValueType > >::type doLevelSetMeasure(const GridT &grid, Real &area, Real &volume, bool useWorldSpace)
Definition: LevelSetMeasure.h:512
openvdb::v3_2_0::tools::LevelSetMeasure::~LevelSetMeasure
virtual ~LevelSetMeasure()
Destructor.
Definition: LevelSetMeasure.h:158
openvdb::v3_2_0::math::ISMeanCurvature
Compute the mean curvature in index space.
Definition: Operators.h:555
openvdb::v3_2_0::tools::LevelSetMeasure::getGrainSize
int getGrainSize() const
Definition: LevelSetMeasure.h:161
Grid.h
openvdb::v3_2_0::tree::LeafManager::LeafRange::Iterator
Definition: LeafManager.h:135
openvdb::v3_2_0::tools::DiracDelta::DiracDelta
DiracDelta(RealT eps)
Definition: LevelSetMeasure.h:118
openvdb::v3_2_0::GRID_LEVEL_SET
Definition: Types.h:213
OPENVDB_USE_VERSION_NAMESPACE
#define OPENVDB_USE_VERSION_NAMESPACE
Definition: version.h:71
LeafManager.h
A LeafManager manages a linear array of pointers to a given tree&#39;s leaf nodes, as well as optional au...
openvdb::v3_2_0::tools::LevelSetMeasure::reinit
void reinit(const GridType &grid)
Re-initialize using the specified grid.
Definition: LevelSetMeasure.h:280
openvdb::v3_2_0::tree::LeafManager::tree
const TreeType & tree() const
Return a const reference to tree associated with this manager.
Definition: LeafManager.h:338
openvdb::v3_2_0::tools::LevelSetMeasure::setGrainSize
void setGrainSize(int grainsize)
Set the grain-size used for multi-threading.
Definition: LevelSetMeasure.h:165
openvdb::v3_2_0::tree::LeafManager::leafRange
LeafRange leafRange(size_t grainsize=1) const
Return a TBB-compatible LeafRange.
Definition: LeafManager.h:381
Operators.h
openvdb::v3_2_0::tools::levelSetMeasure
void levelSetMeasure(const GridT &grid, Real &area, Real &volume, Real &avgCurvature, bool useWorldSpace)
Definition: LevelSetMeasure.h:554
openvdb::v3_2_0::util::wasInterrupted
bool wasInterrupted(T *i, int percent=-1)
Definition: NullInterrupter.h:76