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LevelSetFilter.h
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1 //
3 // Copyright (c) 2012-2015 DreamWorks Animation LLC
4 //
5 // All rights reserved. This software is distributed under the
6 // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
7 //
8 // Redistributions of source code must retain the above copyright
9 // and license notice and the following restrictions and disclaimer.
10 //
11 // * Neither the name of DreamWorks Animation nor the names of
12 // its contributors may be used to endorse or promote products derived
13 // from this software without specific prior written permission.
14 //
15 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY INDIRECT, INCIDENTAL,
20 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 // IN NO EVENT SHALL THE COPYRIGHT HOLDERS' AND CONTRIBUTORS' AGGREGATE
27 // LIABILITY FOR ALL CLAIMS REGARDLESS OF THEIR BASIS EXCEED US$250.00.
28 //
30 //
41
42 #ifndef OPENVDB_TOOLS_LEVELSETFILTER_HAS_BEEN_INCLUDED
43 #define OPENVDB_TOOLS_LEVELSETFILTER_HAS_BEEN_INCLUDED
44
45 #include <assert.h>
46 #include <boost/type_traits/is_floating_point.hpp>
47 #include "LevelSetTracker.h"
48 #include "Interpolation.h"
49
50 namespace openvdb {
51 OPENVDB_USE_VERSION_NAMESPACE
52 namespace OPENVDB_VERSION_NAME {
53 namespace tools {
54
61 template<typename GridT,
62 typename MaskT = typename GridT::template ValueConverter<float>::Type,
63 typename InterruptT = util::NullInterrupter>
64 class LevelSetFilter : public LevelSetTracker<GridT, InterruptT>
65 {
66 public:
67 typedef LevelSetTracker<GridT, InterruptT> BaseType;
68 typedef GridT GridType;
69 typedef MaskT MaskType;
70 typedef typename GridType::TreeType TreeType;
71 typedef typename TreeType::ValueType ValueType;
72 typedef typename MaskType::ValueType AlphaType;
73 BOOST_STATIC_ASSERT(boost::is_floating_point<AlphaType>::value);
74
78 LevelSetFilter(GridType& grid, InterruptT* interrupt = NULL)
79 : BaseType(grid, interrupt)
80 , mMinMask(0)
81 , mMaxMask(1)
82 , mInvertMask(false)
83 {
84 }
86 virtual ~LevelSetFilter() {}
87
90 AlphaType minMask() const { return mMinMask; }
93 AlphaType maxMask() const { return mMaxMask; }
101 void setMaskRange(AlphaType min, AlphaType max)
102 {
103 if (!(min < max)) OPENVDB_THROW(ValueError, "Invalid mask range (expects min < max)");
104 mMinMask = min;
105 mMaxMask = max;
106 }
107
110 bool isMaskInverted() const { return mInvertMask; }
113 void invertMask(bool invert=true) { mInvertMask = invert; }
114
117 void meanCurvature(const MaskType* mask = NULL)
118 {
119 Filter f(this, mask); f.meanCurvature();
120 }
121
124 void laplacian(const MaskType* mask = NULL)
125 {
126 Filter f(this, mask); f.laplacian();
127 }
128
135 void gaussian(int width = 1, const MaskType* mask = NULL)
136 {
137 Filter f(this, mask); f.gaussian(width);
138 }
139
143 void offset(ValueType offset, const MaskType* mask = NULL)
144 {
145 Filter f(this, mask); f.offset(offset);
146 }
147
154 void median(int width = 1, const MaskType* mask = NULL)
155 {
156 Filter f(this, mask); f.median(width);
157 }
158
164 void mean(int width = 1, const MaskType* mask = NULL)
165 {
166 Filter f(this, mask); f.mean(width);
167 }
168
169 private:
170 // disallow copy construction and copy by assignment!
171 LevelSetFilter(const LevelSetFilter&);// not implemented
172 LevelSetFilter& operator=(const LevelSetFilter&);// not implemented
173
174 // Private struct that implements all the filtering.
175 struct Filter
176 {
177 typedef typename TreeType::LeafNodeType LeafT;
178 typedef typename LeafT::ValueOnIter VoxelIterT;
179 typedef typename LeafT::ValueOnCIter VoxelCIterT;
180 typedef typename tree::LeafManager<TreeType>::BufferType BufferT;
181 typedef typename tree::LeafManager<TreeType>::LeafRange LeafRange;
182 typedef typename LeafRange::Iterator LeafIterT;
183 typedef tools::AlphaMask<GridT, MaskT> AlphaMaskT;
184
185 Filter(LevelSetFilter* parent, const MaskType* mask) : mParent(parent), mMask(mask) {}
186 virtual ~Filter() {}
187
188 void box(int width);
189 void median(int width);
190 void mean(int width);
191 void gaussian(int width);
192 void laplacian();
193 void meanCurvature();
194 void offset(ValueType value);
195 void operator()(const LeafRange& r) const
196 {
197 if (mTask) mTask(const_cast<Filter*>(this), r);
198 else OPENVDB_THROW(ValueError, "task is undefined - don\'t call this method directly");
199 }
200 void cook(bool swap)
201 {
202 const int n = mParent->getGrainSize();
203 if (n>0) {
204 tbb::parallel_for(mParent->leafs().leafRange(n), *this);
205 } else {
206 (*this)(mParent->leafs().leafRange());
207 }
208 if (swap) mParent->leafs().swapLeafBuffer(1, n==0);
209 }
210
211 template <size_t Axis>
212 struct Avg {
213 Avg(const GridT& grid, Int32 w) :
214 acc(grid.tree()), width(w), frac(1/ValueType(2*w+1)) {}
215 inline ValueType operator()(Coord xyz)
216 {
217 ValueType sum = zeroVal<ValueType>();
218 Int32& i = xyz[Axis], j = i + width;
219 for (i -= width; i <= j; ++i) sum += acc.getValue(xyz);
220 return sum*frac;
221 }
222 typename GridT::ConstAccessor acc;
223 const Int32 width;
224 const ValueType frac;
225 };
226
227 template <typename AvgT>
228 void box( const LeafRange& r, Int32 w);
229
230 void boxX(const LeafRange& r, Int32 w) { this->box<Avg<0> >(r,w); }
231 void boxZ(const LeafRange& r, Int32 w) { this->box<Avg<1> >(r,w); }
232 void boxY(const LeafRange& r, Int32 w) { this->box<Avg<2> >(r,w); }
233
234 void median(const LeafRange&, int);
235 void meanCurvature(const LeafRange&);
236 void laplacian(const LeafRange&);
237 void offset(const LeafRange&, ValueType);
238
239 LevelSetFilter* mParent;
240 const MaskType* mMask;
241 typename boost::function<void (Filter*, const LeafRange&)> mTask;
242 }; // end of private Filter struct
243
244 AlphaType mMinMask, mMaxMask;
245 bool mInvertMask;
246
247 }; // end of LevelSetFilter class
248
249
251
252 template<typename GridT, typename MaskT, typename InterruptT>
253 inline void
254 LevelSetFilter<GridT, MaskT, InterruptT>::
255 Filter::median(int width)
256 {
257 mParent->startInterrupter("Median-value flow of level set");
258
259 mParent->leafs().rebuildAuxBuffers(1, mParent->getGrainSize()==0);
260
261 mTask = boost::bind(&Filter::median, _1, _2, std::max(1, width));
262 this->cook(true);
263
264 mParent->track();
265
266 mParent->endInterrupter();
267 }
268
269 template<typename GridT, typename MaskT, typename InterruptT>
270 inline void
271 LevelSetFilter<GridT, MaskT, InterruptT>::
272 Filter::mean(int width)
273 {
274 mParent->startInterrupter("Mean-value flow of level set");
275
276 this->box(width);
277
278 mParent->endInterrupter();
279 }
280
281 template<typename GridT, typename MaskT, typename InterruptT>
282 inline void
283 LevelSetFilter<GridT, MaskT, InterruptT>::
284 Filter::gaussian(int width)
285 {
286 mParent->startInterrupter("Gaussian flow of level set");
287
288 for (int n=0; n<4; ++n) this->box(width);
289
290 mParent->endInterrupter();
291 }
292
293 template<typename GridT, typename MaskT, typename InterruptT>
294 inline void
295 LevelSetFilter<GridT, MaskT, InterruptT>::
296 Filter::box(int width)
297 {
298 mParent->leafs().rebuildAuxBuffers(1, mParent->getGrainSize()==0);
299
300 width = std::max(1, width);
301
302 mTask = boost::bind(&Filter::boxX, _1, _2, width);
303 this->cook(true);
304
305 mTask = boost::bind(&Filter::boxY, _1, _2, width);
306 this->cook(true);
307
308 mTask = boost::bind(&Filter::boxZ, _1, _2, width);
309 this->cook(true);
310
311 mParent->track();
312 }
313
314 template<typename GridT, typename MaskT, typename InterruptT>
315 inline void
316 LevelSetFilter<GridT, MaskT, InterruptT>::
317 Filter::meanCurvature()
318 {
319 mParent->startInterrupter("Mean-curvature flow of level set");
320
321 mParent->leafs().rebuildAuxBuffers(1, mParent->getGrainSize()==0);
322
323 mTask = boost::bind(&Filter::meanCurvature, _1, _2);
324 this->cook(true);
325
326 mParent->track();
327
328 mParent->endInterrupter();
329 }
330
331 template<typename GridT, typename MaskT, typename InterruptT>
332 inline void
333 LevelSetFilter<GridT, MaskT, InterruptT>::
334 Filter::laplacian()
335 {
336 mParent->startInterrupter("Laplacian flow of level set");
337
338 mParent->leafs().rebuildAuxBuffers(1, mParent->getGrainSize()==0);
339
340 mTask = boost::bind(&Filter::laplacian, _1, _2);
341 this->cook(true);
342
343 mParent->track();
344
345 mParent->endInterrupter();
346 }
347
348 template<typename GridT, typename MaskT, typename InterruptT>
349 inline void
350 LevelSetFilter<GridT, MaskT, InterruptT>::
351 Filter::offset(ValueType value)
352 {
353 mParent->startInterrupter("Offsetting level set");
354
355 mParent->leafs().removeAuxBuffers();// no auxiliary buffers required
356
357 const ValueType CFL = ValueType(0.5) * mParent->voxelSize(), offset = openvdb::math::Abs(value);
358 ValueType dist = 0.0;
359 while (offset-dist > ValueType(0.001)*CFL && mParent->checkInterrupter()) {
360 const ValueType delta = openvdb::math::Min(offset-dist, CFL);
361 dist += delta;
362
363 mTask = boost::bind(&Filter::offset, _1, _2, copysign(delta, value));
364 this->cook(false);
365
366 mParent->track();
367 }
368
369 mParent->endInterrupter();
370 }
371
372
374
376 template<typename GridT, typename MaskT, typename InterruptT>
377 inline void
378 LevelSetFilter<GridT, MaskT, InterruptT>::
379 Filter::meanCurvature(const LeafRange& range)
380 {
381 mParent->checkInterrupter();
382 //const float CFL = 0.9f, dt = CFL * mDx * mDx / 6.0f;
383 const ValueType dx = mParent->voxelSize(), dt = math::Pow2(dx) / ValueType(3.0);
384 math::CurvatureStencil<GridType> stencil(mParent->grid(), dx);
385 if (mMask) {
386 typename AlphaMaskT::FloatType a, b;
387 AlphaMaskT alpha(mParent->grid(), *mMask, mParent->minMask(),
388 mParent->maxMask(), mParent->isMaskInverted());
389 for (LeafIterT leafIter=range.begin(); leafIter; ++leafIter) {
390 ValueType* buffer = leafIter.buffer(1).data();
391 for (VoxelCIterT iter = leafIter->cbeginValueOn(); iter; ++iter) {
392 if (alpha(iter.getCoord(), a, b)) {
393 stencil.moveTo(iter);
394 const ValueType phi0 = *iter, phi1 = phi0 + dt*stencil.meanCurvatureNormGrad();
395 buffer[iter.pos()] = b * phi0 + a * phi1;
396 }
397 }
398 }
399 } else {
400 for (LeafIterT leafIter=range.begin(); leafIter; ++leafIter) {
401 ValueType* buffer = leafIter.buffer(1).data();
402 for (VoxelCIterT iter = leafIter->cbeginValueOn(); iter; ++iter) {
403 stencil.moveTo(iter);
404 buffer[iter.pos()] = *iter + dt*stencil.meanCurvatureNormGrad();
405 }
406 }
407 }
408 }
409
417 template<typename GridT, typename MaskT, typename InterruptT>
418 inline void
419 LevelSetFilter<GridT, MaskT, InterruptT>::
420 Filter::laplacian(const LeafRange& range)
421 {
422 mParent->checkInterrupter();
423 //const float CFL = 0.9f, half_dt = CFL * mDx * mDx / 12.0f;
424 const ValueType dx = mParent->voxelSize(), dt = math::Pow2(dx) / ValueType(6.0);
425 math::GradStencil<GridType> stencil(mParent->grid(), dx);
426 if (mMask) {
427 typename AlphaMaskT::FloatType a, b;
428 AlphaMaskT alpha(mParent->grid(), *mMask, mParent->minMask(),
429 mParent->maxMask(), mParent->isMaskInverted());
430 for (LeafIterT leafIter=range.begin(); leafIter; ++leafIter) {
431 ValueType* buffer = leafIter.buffer(1).data();
432 for (VoxelCIterT iter = leafIter->cbeginValueOn(); iter; ++iter) {
433 if (alpha(iter.getCoord(), a, b)) {
434 stencil.moveTo(iter);
435 const ValueType phi0 = *iter, phi1 = phi0 + dt*stencil.laplacian();
436 buffer[iter.pos()] = b * phi0 + a * phi1;
437 }
438 }
439 }
440 } else {
441 for (LeafIterT leafIter=range.begin(); leafIter; ++leafIter) {
442 ValueType* buffer = leafIter.buffer(1).data();
443 for (VoxelCIterT iter = leafIter->cbeginValueOn(); iter; ++iter) {
444 stencil.moveTo(iter);
445 buffer[iter.pos()] = *iter + dt*stencil.laplacian();
446 }
447 }
448 }
449 }
450
452 template<typename GridT, typename MaskT, typename InterruptT>
453 inline void
454 LevelSetFilter<GridT, MaskT, InterruptT>::
455 Filter::offset(const LeafRange& range, ValueType offset)
456 {
457 mParent->checkInterrupter();
458 if (mMask) {
459 typename AlphaMaskT::FloatType a, b;
460 AlphaMaskT alpha(mParent->grid(), *mMask, mParent->minMask(),
461 mParent->maxMask(), mParent->isMaskInverted());
462 for (LeafIterT leafIter=range.begin(); leafIter; ++leafIter) {
463 for (VoxelIterT iter = leafIter->beginValueOn(); iter; ++iter) {
464 if (alpha(iter.getCoord(), a, b)) iter.setValue(*iter + a*offset);
465 }
466 }
467 } else {
468 for (LeafIterT leafIter=range.begin(); leafIter; ++leafIter) {
469 for (VoxelIterT iter = leafIter->beginValueOn(); iter; ++iter) {
470 iter.setValue(*iter + offset);
471 }
472 }
473 }
474 }
475
477 template<typename GridT, typename MaskT, typename InterruptT>
478 inline void
479 LevelSetFilter<GridT, MaskT, InterruptT>::
480 Filter::median(const LeafRange& range, int width)
481 {
482 mParent->checkInterrupter();
483 typename math::DenseStencil<GridType> stencil(mParent->grid(), width);//creates local cache!
484 if (mMask) {
485 typename AlphaMaskT::FloatType a, b;
486 AlphaMaskT alpha(mParent->grid(), *mMask, mParent->minMask(),
487 mParent->maxMask(), mParent->isMaskInverted());
488 for (LeafIterT leafIter=range.begin(); leafIter; ++leafIter) {
489 ValueType* buffer = leafIter.buffer(1).data();
490 for (VoxelCIterT iter = leafIter->cbeginValueOn(); iter; ++iter) {
491 if (alpha(iter.getCoord(), a, b)) {
492 stencil.moveTo(iter);
493 buffer[iter.pos()] = b * (*iter) + a * stencil.median();
494 }
495 }
496 }
497 } else {
498 for (LeafIterT leafIter=range.begin(); leafIter; ++leafIter) {
499 ValueType* buffer = leafIter.buffer(1).data();
500 for (VoxelCIterT iter = leafIter->cbeginValueOn(); iter; ++iter) {
501 stencil.moveTo(iter);
502 buffer[iter.pos()] = stencil.median();
503 }
504 }
505 }
506 }
507
509 template<typename GridT, typename MaskT, typename InterruptT>
510 template <typename AvgT>
511 inline void
512 LevelSetFilter<GridT, MaskT, InterruptT>::
513 Filter::box(const LeafRange& range, Int32 w)
514 {
515 mParent->checkInterrupter();
516 AvgT avg(mParent->grid(), w);
517 if (mMask) {
518 typename AlphaMaskT::FloatType a, b;
519 AlphaMaskT alpha(mParent->grid(), *mMask, mParent->minMask(),
520 mParent->maxMask(), mParent->isMaskInverted());
521 for (LeafIterT leafIter=range.begin(); leafIter; ++leafIter) {
522 ValueType* buffer = leafIter.buffer(1).data();
523 for (VoxelCIterT iter = leafIter->cbeginValueOn(); iter; ++iter) {
524 const Coord xyz = iter.getCoord();
525 if (alpha(xyz, a, b)) buffer[iter.pos()] = b * (*iter)+ a * avg(xyz);
526 }
527 }
528 } else {
529 for (LeafIterT leafIter=range.begin(); leafIter; ++leafIter) {
530 ValueType* buffer = leafIter.buffer(1).data();
531 for (VoxelCIterT iter = leafIter->cbeginValueOn(); iter; ++iter) {
532 buffer[iter.pos()] = avg(iter.getCoord());
533 }
534 }
535 }
536 }
537
538 } // namespace tools
539 } // namespace OPENVDB_VERSION_NAME
540 } // namespace openvdb
541
542 #endif // OPENVDB_TOOLS_LEVELSETFILTER_HAS_BEEN_INCLUDED
543
544 // Copyright (c) 2012-2015 DreamWorks Animation LLC
545 // All rights reserved. This software is distributed under the
546 // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
openvdb::v3_1_0::tools::LevelSetFilter::MaskType
MaskT MaskType
Definition: LevelSetFilter.h:69
openvdb::v3_1_0::tools::LevelSetFilter::Filter::Avg::Avg
Avg(const GridT &grid, Int32 w)
Definition: LevelSetFilter.h:213
openvdb::v3_1_0::tools::LevelSetFilter::LevelSetFilter
LevelSetFilter(GridType &grid, InterruptT *interrupt=NULL)
Main constructor from a grid.
Definition: LevelSetFilter.h:78
LevelSetTracker.h
Performs multi-threaded interface tracking of narrow band level sets. This is the building-block for ...
openvdb::v3_1_0::tools::LevelSetFilter::meanCurvature
void meanCurvature(const MaskType *mask=NULL)
One iteration of mean-curvature flow of the level set.
Definition: LevelSetFilter.h:117
openvdb::v3_1_0::tools::LevelSetFilter::offset
void offset(ValueType offset, const MaskType *mask=NULL)
Offset the level set by the specified (world) distance.
Definition: LevelSetFilter.h:143
openvdb::v3_1_0::math::GradStencil
Definition: Stencils.h:1204
openvdb::v3_1_0::math::Abs
int32_t Abs(int32_t i)
Return the absolute value of the given quantity.
Definition: Math.h:293
openvdb::v3_1_0::ValueError
Definition: Exceptions.h:88
openvdb::v3_1_0::math::CurvatureStencil
Definition: Stencils.h:1478
openvdb::v3_1_0::tools::LevelSetTracker
Performs multi-threaded interface tracking of narrow band level sets.
Definition: LevelSetTracker.h:67
OPENVDB_THROW
#define OPENVDB_THROW(exception, message)
Definition: Exceptions.h:97
openvdb::v3_1_0::tools::meanCurvature
GridType::Ptr meanCurvature(const GridType &grid, bool threaded, InterruptT *interrupt)
Compute the mean curvature of the given grid.
Definition: GridOperators.h:1033
openvdb::v3_1_0::tools::LevelSetFilter::minMask
AlphaType minMask() const
Return the minimum value of the mask to be used for the derivation of a smooth alpha value...
Definition: LevelSetFilter.h:90
openvdb::v3_1_0::tools::LevelSetFilter::TreeType
GridType::TreeType TreeType
Definition: LevelSetFilter.h:70
openvdb::v3_1_0::tools::LevelSetFilter::ValueType
TreeType::ValueType ValueType
Definition: LevelSetFilter.h:71
openvdb::v3_1_0::tools::laplacian
GridType::Ptr laplacian(const GridType &grid, bool threaded, InterruptT *interrupt)
Compute the Laplacian of the given scalar grid.
Definition: GridOperators.h:1016
openvdb::v3_1_0::tools::LevelSetFilter::mean
void mean(int width=1, const MaskType *mask=NULL)
One iteration of mean-value flow of the level set.
Definition: LevelSetFilter.h:164
openvdb::v3_1_0::tools::LevelSetFilter::Filter::Avg::frac
const ValueType frac
Definition: LevelSetFilter.h:224
openvdb::v3_1_0::tools::composite::min
const boost::disable_if_c< VecTraits< T >::IsVec, T >::type & min(const T &a, const T &b)
Definition: Composite.h:105
openvdb::v3_1_0::tools::LevelSetFilter::maxMask
AlphaType maxMask() const
Return the maximum value of the mask to be used for the derivation of a smooth alpha value...
Definition: LevelSetFilter.h:93
openvdb::v3_1_0::tree::LeafManager::LeafRange::begin
Iterator begin() const
Definition: LeafManager.h:181
openvdb::v3_1_0::tools::LevelSetFilter::GridType
GridT GridType
Definition: LevelSetFilter.h:68
openvdb::v3_1_0::tools::LevelSetTracker::leafs
LeafManagerType & leafs()
Definition: LevelSetTracker.h:185
OPENVDB_VERSION_NAME
#define OPENVDB_VERSION_NAME
Definition: version.h:43
openvdb::v3_1_0::tools::LevelSetFilter::AlphaType
MaskType::ValueType AlphaType
Definition: LevelSetFilter.h:72
openvdb::v3_1_0::tools::LevelSetFilter::BaseType
LevelSetTracker< GridT, InterruptT > BaseType
Definition: LevelSetFilter.h:67
openvdb::v3_1_0::tree::LeafManager::rebuildAuxBuffers
void rebuildAuxBuffers(size_t auxBuffersPerLeaf, bool serial=false)
Change the number of auxiliary buffers.
Definition: LeafManager.h:283
openvdb::v3_1_0::tools::LevelSetFilter::setMaskRange
void setMaskRange(AlphaType min, AlphaType max)
Define the range for the (optional) scalar mask.
Definition: LevelSetFilter.h:101
openvdb::v3_1_0::tools::LevelSetFilter::isMaskInverted
bool isMaskInverted() const
Return true if the mask is inverted, i.e. min->max in the original mask maps to 1->0 in the inverted ...
Definition: LevelSetFilter.h:110
openvdb::v3_1_0::tools::LevelSetTracker::checkInterrupter
bool checkInterrupter()
Definition: LevelSetTracker.h:376
openvdb
Definition: Exceptions.h:39
openvdb::v3_1_0::tree::LeafManager::BufferType
CopyConstness< TreeType, NonConstBufferType >::Type BufferType
Definition: LeafManager.h:125
openvdb::v3_1_0::tools::LevelSetFilter::Filter::Avg::operator()
ValueType operator()(Coord xyz)
Definition: LevelSetFilter.h:215
openvdb::v3_1_0::tools::LevelSetFilter
Filtering (e.g. diffusion) of narrow-band level sets. An optional scalar field can be used to produce...
Definition: LevelSetFilter.h:64
openvdb::v3_1_0::math::Axis
Axis
Definition: Math.h:838
openvdb::v3_1_0::math::Pow2
Type Pow2(Type x)
Return .
Definition: Math.h:514
openvdb::v3_1_0::tools::LevelSetFilter::laplacian
void laplacian(const MaskType *mask=NULL)
One iteration of Laplacian flow of the level set.
Definition: LevelSetFilter.h:124
openvdb::v3_1_0::tools::LevelSetFilter::~LevelSetFilter
virtual ~LevelSetFilter()
Default destructor.
Definition: LevelSetFilter.h:86
openvdb::v3_1_0::tools::LevelSetFilter::Filter::Avg::acc
GridT::ConstAccessor acc
Definition: LevelSetFilter.h:222
openvdb::v3_1_0::tools::LevelSetFilter::Filter::Avg
Definition: LevelSetFilter.h:212
Interpolation.h
openvdb::v3_1_0::tools::composite::max
const boost::disable_if_c< VecTraits< T >::IsVec, T >::type & max(const T &a, const T &b)
Definition: Composite.h:109
openvdb::v3_1_0::tools::AlphaMask::FloatType
FloatT FloatType
Definition: Interpolation.h:577
openvdb::v3_1_0::Int32
int32_t Int32
Definition: Types.h:60
openvdb::v3_1_0::tree::LeafManager::LeafRange::Iterator
Definition: LeafManager.h:134
openvdb::v3_1_0::tools::LevelSetFilter::invertMask
void invertMask(bool invert=true)
Invert the optional mask, i.e. min->max in the original mask maps to 1->0 in the inverted alpha mask...
Definition: LevelSetFilter.h:113
OPENVDB_USE_VERSION_NAMESPACE
#define OPENVDB_USE_VERSION_NAMESPACE
Definition: version.h:71
openvdb::v3_1_0::tools::AlphaMask
Definition: Interpolation.h:570
openvdb::v3_1_0::tools::LevelSetFilter::Filter::Avg::width
const Int32 width
Definition: LevelSetFilter.h:223
openvdb::v3_1_0::tools::LevelSetFilter::median
void median(int width=1, const MaskType *mask=NULL)
One iteration of median-value flow of the level set.
Definition: LevelSetFilter.h:154
openvdb::v3_1_0::tools::LevelSetTracker::startInterrupter
void startInterrupter(const char *msg)
Definition: LevelSetTracker.h:360
openvdb::v3_1_0::math::DenseStencil
Dense stencil of a given width.
Definition: Stencils.h:1616
openvdb::v3_1_0::math::Min
const Type & Min(const Type &a, const Type &b)
Return the minimum of two values.
Definition: Math.h:622
openvdb::v3_1_0::tools::LevelSetFilter::gaussian
void gaussian(int width=1, const MaskType *mask=NULL)
One iteration of a fast separable Gaussian filter.
Definition: LevelSetFilter.h:135
openvdb::v3_1_0::tree::LeafManager::LeafRange
Definition: LeafManager.h:131