OpenVDB  6.1.0
Grid.h
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30 
31 #ifndef OPENVDB_GRID_HAS_BEEN_INCLUDED
32 #define OPENVDB_GRID_HAS_BEEN_INCLUDED
33 
34 #include "Exceptions.h"
35 #include "MetaMap.h"
36 #include "Types.h"
37 #include "io/io.h"
38 #include "math/Transform.h"
39 #include "tree/Tree.h"
40 #include "util/logging.h"
41 #include "util/Name.h"
42 #include <cassert>
43 #include <iostream>
44 #include <set>
45 #include <type_traits>
46 #include <vector>
47 
48 
49 namespace openvdb {
51 namespace OPENVDB_VERSION_NAME {
52 
54 
55 template<typename> class Grid; // forward declaration
56 
57 
62 template<typename GridType>
63 inline typename GridType::Ptr createGrid(const typename GridType::ValueType& background);
64 
65 
69 template<typename GridType>
70 inline typename GridType::Ptr createGrid();
71 
72 
77 template<typename TreePtrType>
79 
80 
95 template<typename GridType>
96 typename GridType::Ptr createLevelSet(
97  Real voxelSize = 1.0, Real halfWidth = LEVEL_SET_HALF_WIDTH);
98 
99 
101 
102 
105 {
106 public:
109 
110  using GridFactory = Ptr (*)();
111 
112 
113  ~GridBase() override {}
114 
115 
118 
119 #if OPENVDB_ABI_VERSION_NUMBER <= 3
120  OPENVDB_DEPRECATED virtual GridBase::Ptr copyGrid(CopyPolicy treePolicy = CP_SHARE) const = 0;
124 #else
125  virtual GridBase::Ptr copyGrid() = 0;
130  virtual GridBase::ConstPtr copyGrid() const = 0;
133  virtual GridBase::Ptr copyGridWithNewTree() const = 0;
134 #endif
135  virtual GridBase::Ptr deepCopyGrid() const = 0;
137 
139 
140 
143 
145  static Ptr createGrid(const Name& type);
146 
148  static bool isRegistered(const Name &type);
149 
151  static void clearRegistry();
152 
154 
157 
159  virtual Name type() const = 0;
161  virtual Name valueType() const = 0;
162 
164  template<typename GridType>
165  bool isType() const { return (this->type() == GridType::gridType()); }
166 
168 
170  template<typename GridType>
173  static typename GridType::Ptr grid(const GridBase::Ptr&);
174  template<typename GridType>
175  static typename GridType::ConstPtr grid(const GridBase::ConstPtr&);
176  template<typename GridType>
177  static typename GridType::ConstPtr constGrid(const GridBase::Ptr&);
178  template<typename GridType>
179  static typename GridType::ConstPtr constGrid(const GridBase::ConstPtr&);
181 
184 
187  TreeBase::Ptr baseTreePtr();
190  TreeBase::ConstPtr baseTreePtr() const { return this->constBaseTreePtr(); }
193  virtual TreeBase::ConstPtr constBaseTreePtr() const = 0;
194 
199  TreeBase& baseTree() { return const_cast<TreeBase&>(this->constBaseTree()); }
204  const TreeBase& baseTree() const { return this->constBaseTree(); }
209  const TreeBase& constBaseTree() const { return *(this->constBaseTreePtr()); }
210 
217  virtual void setTree(TreeBase::Ptr) = 0;
218 
220  virtual void newTree() = 0;
221 
223 
225  virtual bool empty() const = 0;
227  virtual void clear() = 0;
228 
229 
232 
238  virtual void pruneGrid(float tolerance = 0.0) = 0;
239 
240 #if OPENVDB_ABI_VERSION_NUMBER >= 3
241  void clipGrid(const BBoxd&);
246 
251  virtual void clip(const CoordBBox&) = 0;
252 #endif
253 
255 
280  template<typename GridTypeListT, typename OpT> inline bool apply(OpT&) const;
281  template<typename GridTypeListT, typename OpT> inline bool apply(OpT&);
283 
286 
288  std::string getName() const;
290  void setName(const std::string&);
291 
293  std::string getCreator() const;
295  void setCreator(const std::string&);
296 
299  bool saveFloatAsHalf() const;
300  void setSaveFloatAsHalf(bool);
301 
305  GridClass getGridClass() const;
309  void setGridClass(GridClass);
311  void clearGridClass();
312 
314 
316  static std::string gridClassToString(GridClass);
318  static std::string gridClassToMenuName(GridClass);
323  static GridClass stringToGridClass(const std::string&);
324 
327 
331  VecType getVectorType() const;
335  void setVectorType(VecType);
337  void clearVectorType();
338 
340 
342  static std::string vecTypeToString(VecType);
345  static std::string vecTypeExamples(VecType);
348  static std::string vecTypeDescription(VecType);
349  static VecType stringToVecType(const std::string&);
350 
353 
357  bool isInWorldSpace() const;
359  void setIsInWorldSpace(bool);
360 
362 
363  // Standard metadata field names
364  // (These fields should normally not be accessed directly, but rather
365  // via the accessor methods above, when available.)
366  // Note: Visual C++ requires these declarations to be separate statements.
367  static const char* const META_GRID_CLASS;
368  static const char* const META_GRID_CREATOR;
369  static const char* const META_GRID_NAME;
370  static const char* const META_SAVE_HALF_FLOAT;
371  static const char* const META_IS_LOCAL_SPACE;
372  static const char* const META_VECTOR_TYPE;
373  static const char* const META_FILE_BBOX_MIN;
374  static const char* const META_FILE_BBOX_MAX;
375  static const char* const META_FILE_COMPRESSION;
376  static const char* const META_FILE_MEM_BYTES;
377  static const char* const META_FILE_VOXEL_COUNT;
378 
379 
382 
384  virtual Index64 activeVoxelCount() const = 0;
385 
388  virtual CoordBBox evalActiveVoxelBoundingBox() const = 0;
389 
391  virtual Coord evalActiveVoxelDim() const = 0;
392 
394  virtual Index64 memUsage() const = 0;
395 
400  void addStatsMetadata();
406  MetaMap::Ptr getStatsMetadata() const;
407 
409 
410 
413 
415  math::Transform::Ptr transformPtr() { return mTransform; }
418  math::Transform::ConstPtr transformPtr() const { return mTransform; }
419  math::Transform::ConstPtr constTransformPtr() const { return mTransform; }
421 
422  math::Transform& transform() { return *mTransform; }
427  const math::Transform& transform() const { return *mTransform; }
428  const math::Transform& constTransform() const { return *mTransform; }
430 
432 
435 
442  void setTransform(math::Transform::Ptr);
443 
445  Vec3d voxelSize() const { return transform().voxelSize(); }
448  Vec3d voxelSize(const Vec3d& xyz) const { return transform().voxelSize(xyz); }
450  bool hasUniformVoxels() const { return mTransform->hasUniformScale(); }
452  Vec3d indexToWorld(const Vec3d& xyz) const { return transform().indexToWorld(xyz); }
454  Vec3d indexToWorld(const Coord& ijk) const { return transform().indexToWorld(ijk); }
456  Vec3d worldToIndex(const Vec3d& xyz) const { return transform().worldToIndex(xyz); }
457 
459 
460 
463 
466  virtual void readTopology(std::istream&) = 0;
469  virtual void writeTopology(std::ostream&) const = 0;
470 
472  virtual void readBuffers(std::istream&) = 0;
473 #if OPENVDB_ABI_VERSION_NUMBER >= 3
474  virtual void readBuffers(std::istream&, const CoordBBox&) = 0;
481  virtual void readNonresidentBuffers() const = 0;
482 #endif
483  virtual void writeBuffers(std::ostream&) const = 0;
485 
487  void readTransform(std::istream& is) { transform().read(is); }
489  void writeTransform(std::ostream& os) const { transform().write(os); }
490 
492  virtual void print(std::ostream& = std::cout, int verboseLevel = 1) const = 0;
493 
495 
496 
497 protected:
499  GridBase(): mTransform(math::Transform::createLinearTransform()) {}
500 
502  GridBase(const GridBase& other): MetaMap(other), mTransform(other.mTransform->copy()) {}
503 
504 #if OPENVDB_ABI_VERSION_NUMBER <= 3
505  OPENVDB_DEPRECATED GridBase(const GridBase& other, ShallowCopy): MetaMap(other), mTransform(other.mTransform) {}
508 #else
509  GridBase(GridBase& other, ShallowCopy): MetaMap(other), mTransform(other.mTransform) {}
511 #endif
512 
514  static void registerGrid(const Name& type, GridFactory);
516  static void unregisterGrid(const Name& type);
517 
518 
519 private:
520  math::Transform::Ptr mTransform;
521 }; // class GridBase
522 
523 
525 
526 
527 using GridPtrVec = std::vector<GridBase::Ptr>;
528 using GridPtrVecIter = GridPtrVec::iterator;
529 using GridPtrVecCIter = GridPtrVec::const_iterator;
531 
532 using GridCPtrVec = std::vector<GridBase::ConstPtr>;
533 using GridCPtrVecIter = GridCPtrVec::iterator;
534 using GridCPtrVecCIter = GridCPtrVec::const_iterator;
536 
537 using GridPtrSet = std::set<GridBase::Ptr>;
538 using GridPtrSetIter = GridPtrSet::iterator;
539 using GridPtrSetCIter = GridPtrSet::const_iterator;
541 
542 using GridCPtrSet = std::set<GridBase::ConstPtr>;
543 using GridCPtrSetIter = GridCPtrSet::iterator;
544 using GridCPtrSetCIter = GridCPtrSet::const_iterator;
546 
547 
550 {
551  GridNamePred(const Name& _name): name(_name) {}
552  bool operator()(const GridBase::ConstPtr& g) const { return g && g->getName() == name; }
554 };
555 
557 template<typename GridPtrContainerT>
558 inline typename GridPtrContainerT::value_type
559 findGridByName(const GridPtrContainerT& container, const Name& name)
560 {
561  using GridPtrT = typename GridPtrContainerT::value_type;
562  typename GridPtrContainerT::const_iterator it =
563  std::find_if(container.begin(), container.end(), GridNamePred(name));
564  return (it == container.end() ? GridPtrT() : *it);
565 }
566 
568 template<typename KeyT, typename GridPtrT>
569 inline GridPtrT
570 findGridByName(const std::map<KeyT, GridPtrT>& container, const Name& name)
571 {
572  using GridPtrMapT = std::map<KeyT, GridPtrT>;
573  for (typename GridPtrMapT::const_iterator it = container.begin(), end = container.end();
574  it != end; ++it)
575  {
576  const GridPtrT& grid = it->second;
577  if (grid && grid->getName() == name) return grid;
578  }
579  return GridPtrT();
580 }
582 
583 
585 
586 
588 template<typename _TreeType>
589 class Grid: public GridBase
590 {
591 public:
594 
595  using TreeType = _TreeType;
596  using TreePtrType = typename _TreeType::Ptr;
597  using ConstTreePtrType = typename _TreeType::ConstPtr;
598  using ValueType = typename _TreeType::ValueType;
599  using BuildType = typename _TreeType::BuildType;
600 
601  using ValueOnIter = typename _TreeType::ValueOnIter;
602  using ValueOnCIter = typename _TreeType::ValueOnCIter;
603  using ValueOffIter = typename _TreeType::ValueOffIter;
604  using ValueOffCIter = typename _TreeType::ValueOffCIter;
605  using ValueAllIter = typename _TreeType::ValueAllIter;
606  using ValueAllCIter = typename _TreeType::ValueAllCIter;
607 
612 
619  template<typename OtherValueType>
620  struct ValueConverter {
622  };
623 
625  static Ptr create(const ValueType& background);
627  static Ptr create();
630  static Ptr create(TreePtrType);
633  static Ptr create(const GridBase& other);
634 
635 
637  Grid();
639  explicit Grid(const ValueType& background);
643  explicit Grid(TreePtrType);
645  Grid(const Grid&);
651  template<typename OtherTreeType>
652  explicit Grid(const Grid<OtherTreeType>&);
653 #if OPENVDB_ABI_VERSION_NUMBER <= 3
657 #else
658  Grid(Grid&, ShallowCopy);
660 #endif
661  explicit Grid(const GridBase&);
664 
665  ~Grid() override {}
666 
668  Grid& operator=(const Grid&) = delete;
669 
670 
671 #if OPENVDB_ABI_VERSION_NUMBER <= 3
672 
673  OPENVDB_DEPRECATED Ptr copy(CopyPolicy treePolicy = CP_SHARE) const;
681  OPENVDB_DEPRECATED GridBase::Ptr copyGrid(CopyPolicy treePolicy = CP_SHARE) const override;
683 #else
684 
685  Ptr copy();
688  ConstPtr copy() const;
690  Ptr copyWithNewTree() const;
693 
694  GridBase::Ptr copyGrid() override;
695  GridBase::ConstPtr copyGrid() const override;
696  GridBase::Ptr copyGridWithNewTree() const override;
697 #endif
698 
699  Ptr deepCopy() const { return Ptr(new Grid(*this)); }
701  GridBase::Ptr deepCopyGrid() const override { return this->deepCopy(); }
703 
705  Name type() const override { return this->gridType(); }
707  static Name gridType() { return TreeType::treeType(); }
708 
709 
710  //
711  // Voxel access methods
712  //
714  Name valueType() const override { return tree().valueType(); }
715 
719  const ValueType& background() const { return mTree->background(); }
720 
722  bool empty() const override { return tree().empty(); }
724  void clear() override { tree().clear(); }
725 
729  Accessor getAccessor() { return Accessor(tree()); }
740  ConstAccessor getAccessor() const { return ConstAccessor(tree()); }
742  ConstAccessor getConstAccessor() const { return ConstAccessor(tree()); }
744  ConstUnsafeAccessor getConstUnsafeAccessor() const { return ConstUnsafeAccessor(tree()); }
753 
755  ValueOnIter beginValueOn() { return tree().beginValueOn(); }
757  ValueOnCIter beginValueOn() const { return tree().cbeginValueOn(); }
758  ValueOnCIter cbeginValueOn() const { return tree().cbeginValueOn(); }
760 
761  ValueOffIter beginValueOff() { return tree().beginValueOff(); }
763  ValueOffCIter beginValueOff() const { return tree().cbeginValueOff(); }
764  ValueOffCIter cbeginValueOff() const { return tree().cbeginValueOff(); }
766 
767  ValueAllIter beginValueAll() { return tree().beginValueAll(); }
769  ValueAllCIter beginValueAll() const { return tree().cbeginValueAll(); }
770  ValueAllCIter cbeginValueAll() const { return tree().cbeginValueAll(); }
772 
774  void evalMinMax(ValueType& minVal, ValueType& maxVal) const;
775 
777  void sparseFill(const CoordBBox& bbox, const ValueType& value, bool active = true);
786  void fill(const CoordBBox& bbox, const ValueType& value, bool active = true);
788 
795  void denseFill(const CoordBBox& bbox, const ValueType& value, bool active = true);
796 
798  void pruneGrid(float tolerance = 0.0) override;
799 
800 #if OPENVDB_ABI_VERSION_NUMBER >= 3
801  void clip(const CoordBBox&) override;
806 #endif
807 
813  void merge(Grid& other, MergePolicy policy = MERGE_ACTIVE_STATES);
814 
828  template<typename OtherTreeType>
829  void topologyUnion(const Grid<OtherTreeType>& other);
830 
843  template<typename OtherTreeType>
844  void topologyIntersection(const Grid<OtherTreeType>& other);
845 
856  template<typename OtherTreeType>
857  void topologyDifference(const Grid<OtherTreeType>& other);
858 
859  //
860  // Statistics
861  //
863  Index64 activeVoxelCount() const override { return tree().activeVoxelCount(); }
865  CoordBBox evalActiveVoxelBoundingBox() const override;
867  Coord evalActiveVoxelDim() const override;
868 
871  Index64 memUsage() const override { return tree().memUsage(); }
872 
873 
874  //
875  // Tree methods
876  //
878  TreePtrType treePtr() { return mTree; }
881  ConstTreePtrType treePtr() const { return mTree; }
882  ConstTreePtrType constTreePtr() const { return mTree; }
883  TreeBase::ConstPtr constBaseTreePtr() const override { return mTree; }
885 
886  TreeType& tree() { return *mTree; }
891  const TreeType& tree() const { return *mTree; }
892  const TreeType& constTree() const { return *mTree; }
894 
900  void setTree(TreeBase::Ptr) override;
901 
904  void newTree() override;
905 
906 
907  //
908  // I/O methods
909  //
912  void readTopology(std::istream&) override;
915  void writeTopology(std::ostream&) const override;
916 
918  void readBuffers(std::istream&) override;
919 #if OPENVDB_ABI_VERSION_NUMBER >= 3
920  void readBuffers(std::istream&, const CoordBBox&) override;
927  void readNonresidentBuffers() const override;
928 #endif
929  void writeBuffers(std::ostream&) const override;
931 
933  void print(std::ostream& = std::cout, int verboseLevel = 1) const override;
934 
938  static inline bool hasMultiPassIO();
939 
940 
941  //
942  // Registry methods
943  //
947  static void registerGrid()
948  {
949  GridBase::registerGrid(Grid::gridType(), Grid::factory);
951  OPENVDB_LOG_WARN("delayed loading of grids of type " << Grid::gridType()
952  << " might not be threadsafe on this platform");
953  }
954  }
957 
958 
959 private:
961  static GridBase::Ptr factory() { return Grid::create(); }
962 
963  TreePtrType mTree;
964 }; // class Grid
965 
966 
968 
969 
977 template<typename GridType>
978 inline typename GridType::Ptr
980 {
981  return GridBase::grid<GridType>(grid);
982 }
983 
984 
993 template<typename GridType>
994 inline typename GridType::ConstPtr
996 {
997  return GridBase::constGrid<GridType>(grid);
998 }
999 
1000 
1002 
1003 
1010 template<typename GridType>
1011 inline typename GridType::Ptr
1013 {
1014  if (!grid || !grid->isType<GridType>()) return typename GridType::Ptr();
1015  return gridPtrCast<GridType>(grid->deepCopyGrid());
1016 }
1017 
1018 
1019 template<typename GridType>
1020 inline typename GridType::Ptr
1022 {
1023  if (!grid.isType<GridType>()) return typename GridType::Ptr();
1024  return gridPtrCast<GridType>(grid.deepCopyGrid());
1025 }
1027 
1028 
1030 
1031 
1033 template<typename _TreeType>
1037 {
1038  using TreeType = _TreeType;
1039  using NonConstTreeType = typename std::remove_const<TreeType>::type;
1040  using TreePtrType = typename TreeType::Ptr;
1041  using ConstTreePtrType = typename TreeType::ConstPtr;
1042  using NonConstTreePtrType = typename NonConstTreeType::Ptr;
1045  using GridPtrType = typename GridType::Ptr;
1048  using ValueType = typename TreeType::ValueType;
1052 
1053  static TreeType& tree(TreeType& t) { return t; }
1054  static TreeType& tree(GridType& g) { return g.tree(); }
1055  static const TreeType& tree(const TreeType& t) { return t; }
1056  static const TreeType& tree(const GridType& g) { return g.tree(); }
1057  static const TreeType& constTree(TreeType& t) { return t; }
1058  static const TreeType& constTree(GridType& g) { return g.constTree(); }
1059  static const TreeType& constTree(const TreeType& t) { return t; }
1060  static const TreeType& constTree(const GridType& g) { return g.constTree(); }
1061 };
1062 
1063 
1065 template<typename _TreeType>
1066 struct TreeAdapter<Grid<_TreeType> >
1067 {
1068  using TreeType = _TreeType;
1069  using NonConstTreeType = typename std::remove_const<TreeType>::type;
1070  using TreePtrType = typename TreeType::Ptr;
1071  using ConstTreePtrType = typename TreeType::ConstPtr;
1072  using NonConstTreePtrType = typename NonConstTreeType::Ptr;
1075  using GridPtrType = typename GridType::Ptr;
1078  using ValueType = typename TreeType::ValueType;
1082 
1083  static TreeType& tree(TreeType& t) { return t; }
1084  static TreeType& tree(GridType& g) { return g.tree(); }
1085  static const TreeType& tree(const TreeType& t) { return t; }
1086  static const TreeType& tree(const GridType& g) { return g.tree(); }
1087  static const TreeType& constTree(TreeType& t) { return t; }
1088  static const TreeType& constTree(GridType& g) { return g.constTree(); }
1089  static const TreeType& constTree(const TreeType& t) { return t; }
1090  static const TreeType& constTree(const GridType& g) { return g.constTree(); }
1091 };
1092 
1094 template<typename _TreeType>
1095 struct TreeAdapter<tree::ValueAccessor<_TreeType> >
1096 {
1097  using TreeType = _TreeType;
1098  using NonConstTreeType = typename std::remove_const<TreeType>::type;
1099  using TreePtrType = typename TreeType::Ptr;
1100  using ConstTreePtrType = typename TreeType::ConstPtr;
1101  using NonConstTreePtrType = typename NonConstTreeType::Ptr;
1104  using GridPtrType = typename GridType::Ptr;
1107  using ValueType = typename TreeType::ValueType;
1111 
1112  static TreeType& tree(TreeType& t) { return t; }
1113  static TreeType& tree(GridType& g) { return g.tree(); }
1114  static TreeType& tree(AccessorType& a) { return a.tree(); }
1115  static const TreeType& tree(const TreeType& t) { return t; }
1116  static const TreeType& tree(const GridType& g) { return g.tree(); }
1117  static const TreeType& tree(const AccessorType& a) { return a.tree(); }
1118  static const TreeType& constTree(TreeType& t) { return t; }
1119  static const TreeType& constTree(GridType& g) { return g.constTree(); }
1120  static const TreeType& constTree(const TreeType& t) { return t; }
1121  static const TreeType& constTree(const GridType& g) { return g.constTree(); }
1122 };
1123 
1125 
1126 
1128 
1129 
1135 template<typename LeafNodeType>
1137  static const bool value = std::is_base_of<io::MultiPass, LeafNodeType>::value;
1138 };
1139 
1140 // Partial specialization for Tree types
1141 template<typename RootNodeType>
1142 struct HasMultiPassIO<tree::Tree<RootNodeType>> {
1143  // A tree is multi-pass if its (root node's) leaf node type is multi-pass.
1145 };
1146 
1147 // Partial specialization for Grid types
1148 template<typename TreeType>
1149 struct HasMultiPassIO<Grid<TreeType>> {
1150  // A grid is multi-pass if its tree's leaf node type is multi-pass.
1152 };
1153 
1154 
1156 
1157 
1158 template<typename GridType>
1159 inline typename GridType::Ptr
1161 {
1162  // The string comparison on type names is slower than a dynamic pointer cast, but
1163  // it is safer when pointers cross DSO boundaries, as they do in many Houdini nodes.
1164  if (grid && grid->type() == GridType::gridType()) {
1165  return StaticPtrCast<GridType>(grid);
1166  }
1167  return typename GridType::Ptr();
1168 }
1169 
1170 
1171 template<typename GridType>
1172 inline typename GridType::ConstPtr
1174 {
1175  return ConstPtrCast<const GridType>(
1176  GridBase::grid<GridType>(ConstPtrCast<GridBase>(grid)));
1177 }
1178 
1179 
1180 template<typename GridType>
1181 inline typename GridType::ConstPtr
1183 {
1184  return ConstPtrCast<const GridType>(GridBase::grid<GridType>(grid));
1185 }
1186 
1187 
1188 template<typename GridType>
1189 inline typename GridType::ConstPtr
1191 {
1192  return ConstPtrCast<const GridType>(
1193  GridBase::grid<GridType>(ConstPtrCast<GridBase>(grid)));
1194 }
1195 
1196 
1197 inline TreeBase::Ptr
1199 {
1200  return ConstPtrCast<TreeBase>(this->constBaseTreePtr());
1201 }
1202 
1203 
1204 inline void
1206 {
1207  if (!xform) OPENVDB_THROW(ValueError, "Transform pointer is null");
1208  mTransform = xform;
1209 }
1210 
1211 
1213 
1214 
1215 template<typename TreeT>
1216 inline Grid<TreeT>::Grid(): mTree(new TreeType)
1217 {
1218 }
1219 
1220 
1221 template<typename TreeT>
1222 inline Grid<TreeT>::Grid(const ValueType &background): mTree(new TreeType(background))
1223 {
1224 }
1225 
1226 
1227 template<typename TreeT>
1228 inline Grid<TreeT>::Grid(TreePtrType tree): mTree(tree)
1229 {
1230  if (!tree) OPENVDB_THROW(ValueError, "Tree pointer is null");
1231 }
1232 
1233 
1234 template<typename TreeT>
1235 inline Grid<TreeT>::Grid(const Grid& other):
1236  GridBase(other),
1237  mTree(StaticPtrCast<TreeType>(other.mTree->copy()))
1238 {
1239 }
1240 
1241 
1242 template<typename TreeT>
1243 template<typename OtherTreeType>
1245  GridBase(other),
1246  mTree(new TreeType(other.constTree()))
1247 {
1248 }
1249 
1250 
1251 #if OPENVDB_ABI_VERSION_NUMBER <= 3
1252 template<typename TreeT>
1253 inline Grid<TreeT>::Grid(const Grid& other, ShallowCopy):
1254  GridBase(other, ShallowCopy()),
1255  mTree(other.mTree)
1256 {
1257 }
1258 #else
1259 template<typename TreeT>
1261  GridBase(other),
1262  mTree(other.mTree)
1263 {
1264 }
1265 #endif
1266 
1267 
1268 template<typename TreeT>
1269 inline Grid<TreeT>::Grid(const GridBase& other):
1270  GridBase(other),
1271  mTree(new TreeType)
1272 {
1273 }
1274 
1275 
1276 //static
1277 template<typename TreeT>
1278 inline typename Grid<TreeT>::Ptr
1280 {
1281  return Grid::create(zeroVal<ValueType>());
1282 }
1283 
1284 
1285 //static
1286 template<typename TreeT>
1287 inline typename Grid<TreeT>::Ptr
1288 Grid<TreeT>::create(const ValueType& background)
1289 {
1290  return Ptr(new Grid(background));
1291 }
1292 
1293 
1294 //static
1295 template<typename TreeT>
1296 inline typename Grid<TreeT>::Ptr
1298 {
1299  return Ptr(new Grid(tree));
1300 }
1301 
1302 
1303 //static
1304 template<typename TreeT>
1305 inline typename Grid<TreeT>::Ptr
1307 {
1308  return Ptr(new Grid(other));
1309 }
1310 
1311 
1313 
1314 
1315 #if OPENVDB_ABI_VERSION_NUMBER <= 3
1316 
1317 template<typename TreeT>
1318 inline typename Grid<TreeT>::Ptr
1319 Grid<TreeT>::copy(CopyPolicy treePolicy) const
1320 {
1321  Ptr ret;
1322  switch (treePolicy) {
1323  case CP_NEW:
1324  ret.reset(new Grid(*this, ShallowCopy()));
1325  ret->newTree();
1326  break;
1327  case CP_COPY:
1328  ret.reset(new Grid(*this));
1329  break;
1330  case CP_SHARE:
1331  ret.reset(new Grid(*this, ShallowCopy()));
1332  break;
1333  }
1334  return ret;
1335 }
1336 
1337 
1338 template<typename TreeT>
1339 inline GridBase::Ptr
1340 Grid<TreeT>::copyGrid(CopyPolicy treePolicy) const
1341 {
1342  return this->copy(treePolicy);
1343 }
1344 
1345 #else // if OPENVDB_ABI_VERSION_NUMBER > 3
1346 
1347 template<typename TreeT>
1348 inline typename Grid<TreeT>::ConstPtr
1350 {
1351  return ConstPtr{new Grid{*const_cast<Grid*>(this), ShallowCopy{}}};
1352 }
1353 
1354 template<typename TreeT>
1355 inline typename Grid<TreeT>::Ptr
1357 {
1358  return Ptr{new Grid{*this, ShallowCopy{}}};
1359 }
1360 
1361 
1362 template<typename TreeT>
1363 inline typename Grid<TreeT>::Ptr
1365 {
1366  Ptr result{new Grid{*const_cast<Grid*>(this), ShallowCopy{}}};
1367  result->newTree();
1368  return result;
1369 }
1370 
1371 
1372 template<typename TreeT>
1373 inline GridBase::Ptr
1375 {
1376  return this->copy();
1377 }
1378 
1379 template<typename TreeT>
1380 inline GridBase::ConstPtr
1382 {
1383  return this->copy();
1384 }
1385 
1386 
1387 template<typename TreeT>
1388 inline GridBase::Ptr
1390 {
1391  return this->copyWithNewTree();
1392 }
1393 
1394 #endif
1395 
1396 
1398 
1399 
1400 template<typename TreeT>
1401 inline void
1403 {
1404  if (!tree) OPENVDB_THROW(ValueError, "Tree pointer is null");
1405  if (tree->type() != TreeType::treeType()) {
1406  OPENVDB_THROW(TypeError, "Cannot assign a tree of type "
1407  + tree->type() + " to a grid of type " + this->type());
1408  }
1409  mTree = StaticPtrCast<TreeType>(tree);
1410 }
1411 
1412 
1413 template<typename TreeT>
1414 inline void
1416 {
1417  mTree.reset(new TreeType(this->background()));
1418 }
1419 
1420 
1422 
1423 
1424 template<typename TreeT>
1425 inline void
1426 Grid<TreeT>::sparseFill(const CoordBBox& bbox, const ValueType& value, bool active)
1427 {
1428  tree().sparseFill(bbox, value, active);
1429 }
1430 
1431 
1432 template<typename TreeT>
1433 inline void
1434 Grid<TreeT>::fill(const CoordBBox& bbox, const ValueType& value, bool active)
1435 {
1436  this->sparseFill(bbox, value, active);
1437 }
1438 
1439 template<typename TreeT>
1440 inline void
1441 Grid<TreeT>::denseFill(const CoordBBox& bbox, const ValueType& value, bool active)
1442 {
1443  tree().denseFill(bbox, value, active);
1444 }
1445 
1446 template<typename TreeT>
1447 inline void
1448 Grid<TreeT>::pruneGrid(float tolerance)
1449 {
1451  const auto value = zeroVal<ValueType>() + tolerance;
1453  this->tree().prune(static_cast<ValueType>(value));
1454 }
1455 
1456 #if OPENVDB_ABI_VERSION_NUMBER >= 3
1457 template<typename TreeT>
1458 inline void
1460 {
1461  tree().clip(bbox);
1462 }
1463 #endif
1464 
1465 
1466 template<typename TreeT>
1467 inline void
1469 {
1470  tree().merge(other.tree(), policy);
1471 }
1472 
1473 
1474 template<typename TreeT>
1475 template<typename OtherTreeType>
1476 inline void
1478 {
1479  tree().topologyUnion(other.tree());
1480 }
1481 
1482 
1483 template<typename TreeT>
1484 template<typename OtherTreeType>
1485 inline void
1487 {
1488  tree().topologyIntersection(other.tree());
1489 }
1490 
1491 
1492 template<typename TreeT>
1493 template<typename OtherTreeType>
1494 inline void
1496 {
1497  tree().topologyDifference(other.tree());
1498 }
1499 
1500 
1502 
1503 
1504 template<typename TreeT>
1505 inline void
1507 {
1508  tree().evalMinMax(minVal, maxVal);
1509 }
1510 
1511 
1512 template<typename TreeT>
1513 inline CoordBBox
1515 {
1516  CoordBBox bbox;
1517  tree().evalActiveVoxelBoundingBox(bbox);
1518  return bbox;
1519 }
1520 
1521 
1522 template<typename TreeT>
1523 inline Coord
1525 {
1526  Coord dim;
1527  const bool nonempty = tree().evalActiveVoxelDim(dim);
1528  return (nonempty ? dim : Coord());
1529 }
1530 
1531 
1533 
1534 
1537 
1538 template<typename TreeT>
1539 inline void
1540 Grid<TreeT>::readTopology(std::istream& is)
1541 {
1542  tree().readTopology(is, saveFloatAsHalf());
1543 }
1544 
1545 
1546 template<typename TreeT>
1547 inline void
1548 Grid<TreeT>::writeTopology(std::ostream& os) const
1549 {
1550  tree().writeTopology(os, saveFloatAsHalf());
1551 }
1552 
1553 
1554 template<typename TreeT>
1555 inline void
1556 Grid<TreeT>::readBuffers(std::istream& is)
1557 {
1558  if (!hasMultiPassIO() || (io::getFormatVersion(is) < OPENVDB_FILE_VERSION_MULTIPASS_IO)) {
1559  tree().readBuffers(is, saveFloatAsHalf());
1560  } else {
1561  uint16_t numPasses = 1;
1562  is.read(reinterpret_cast<char*>(&numPasses), sizeof(uint16_t));
1564  assert(bool(meta));
1565  for (uint16_t passIndex = 0; passIndex < numPasses; ++passIndex) {
1566  uint32_t pass = (uint32_t(numPasses) << 16) | uint32_t(passIndex);
1567  meta->setPass(pass);
1568  tree().readBuffers(is, saveFloatAsHalf());
1569  }
1570  }
1571 }
1572 
1573 
1574 #if OPENVDB_ABI_VERSION_NUMBER >= 3
1575 
1578 template<typename TreeT>
1579 inline void
1580 Grid<TreeT>::readBuffers(std::istream& is, const CoordBBox& bbox)
1581 {
1582  if (!hasMultiPassIO() || (io::getFormatVersion(is) < OPENVDB_FILE_VERSION_MULTIPASS_IO)) {
1583  tree().readBuffers(is, bbox, saveFloatAsHalf());
1584  } else {
1585  uint16_t numPasses = 1;
1586  is.read(reinterpret_cast<char*>(&numPasses), sizeof(uint16_t));
1588  assert(bool(meta));
1589  for (uint16_t passIndex = 0; passIndex < numPasses; ++passIndex) {
1590  uint32_t pass = (uint32_t(numPasses) << 16) | uint32_t(passIndex);
1591  meta->setPass(pass);
1592  tree().readBuffers(is, saveFloatAsHalf());
1593  }
1594  // Cannot clip inside readBuffers() when using multiple passes,
1595  // so instead clip afterwards.
1596  tree().clip(bbox);
1597  }
1598 }
1599 
1600 
1601 template<typename TreeT>
1602 inline void
1604 {
1605  tree().readNonresidentBuffers();
1606 }
1607 
1608 #endif
1609 
1610 
1611 template<typename TreeT>
1612 inline void
1613 Grid<TreeT>::writeBuffers(std::ostream& os) const
1614 {
1615  if (!hasMultiPassIO()) {
1616  tree().writeBuffers(os, saveFloatAsHalf());
1617  } else {
1618  // Determine how many leaf buffer passes are required for this grid
1620  assert(bool(meta));
1621  uint16_t numPasses = 1;
1622  meta->setCountingPasses(true);
1623  meta->setPass(0);
1624  tree().writeBuffers(os, saveFloatAsHalf());
1625  numPasses = static_cast<uint16_t>(meta->pass());
1626  os.write(reinterpret_cast<const char*>(&numPasses), sizeof(uint16_t));
1627  meta->setCountingPasses(false);
1628 
1629  // Save out the data blocks of the grid.
1630  for (uint16_t passIndex = 0; passIndex < numPasses; ++passIndex) {
1631  uint32_t pass = (uint32_t(numPasses) << 16) | uint32_t(passIndex);
1632  meta->setPass(pass);
1633  tree().writeBuffers(os, saveFloatAsHalf());
1634  }
1635  }
1636 }
1637 
1638 
1639 //static
1640 template<typename TreeT>
1641 inline bool
1643 {
1645 }
1646 
1647 
1648 template<typename TreeT>
1649 inline void
1650 Grid<TreeT>::print(std::ostream& os, int verboseLevel) const
1651 {
1652  tree().print(os, verboseLevel);
1653 
1654  if (metaCount() > 0) {
1655  os << "Additional metadata:" << std::endl;
1656  for (ConstMetaIterator it = beginMeta(), end = endMeta(); it != end; ++it) {
1657  os << " " << it->first;
1658  if (it->second) {
1659  const std::string value = it->second->str();
1660  if (!value.empty()) os << ": " << value;
1661  }
1662  os << "\n";
1663  }
1664  }
1665 
1666  os << "Transform:" << std::endl;
1667  transform().print(os, /*indent=*/" ");
1668  os << std::endl;
1669 }
1670 
1671 
1673 
1674 
1675 template<typename GridType>
1676 inline typename GridType::Ptr
1677 createGrid(const typename GridType::ValueType& background)
1678 {
1679  return GridType::create(background);
1680 }
1681 
1682 
1683 template<typename GridType>
1684 inline typename GridType::Ptr
1686 {
1687  return GridType::create();
1688 }
1689 
1690 
1691 template<typename TreePtrType>
1693 createGrid(TreePtrType tree)
1694 {
1695  using TreeType = typename TreePtrType::element_type;
1696  return Grid<TreeType>::create(tree);
1697 }
1698 
1699 
1700 template<typename GridType>
1701 typename GridType::Ptr
1702 createLevelSet(Real voxelSize, Real halfWidth)
1703 {
1704  using ValueType = typename GridType::ValueType;
1705 
1706  // GridType::ValueType is required to be a floating-point scalar.
1707  static_assert(std::is_floating_point<ValueType>::value,
1708  "level-set grids must be floating-point-valued");
1709 
1710  typename GridType::Ptr grid = GridType::create(
1711  /*background=*/static_cast<ValueType>(voxelSize * halfWidth));
1712  grid->setTransform(math::Transform::createLinearTransform(voxelSize));
1713  grid->setGridClass(GRID_LEVEL_SET);
1714  return grid;
1715 }
1716 
1717 
1719 
1720 
1721 namespace internal {
1722 
1724 template<typename OpT, typename GridBaseT, typename T, typename ...Ts>
1725 struct GridApplyImpl { static bool apply(GridBaseT&, OpT&) { return false; } };
1726 
1727 // Partial specialization for (nonempty) TypeLists
1729 template<typename OpT, typename GridBaseT, typename GridT, typename ...GridTs>
1730 struct GridApplyImpl<OpT, GridBaseT, TypeList<GridT, GridTs...>>
1731 {
1732  static bool apply(GridBaseT& grid, OpT& op)
1733  {
1734  if (grid.template isType<GridT>()) {
1735  op(static_cast<typename CopyConstness<GridBaseT, GridT>::Type&>(grid));
1736  return true;
1737  }
1738  return GridApplyImpl<OpT, GridBaseT, TypeList<GridTs...>>::apply(grid, op);
1739  }
1740 };
1741 
1742 } // namespace internal
1743 
1744 
1745 template<typename GridTypeListT, typename OpT>
1746 inline bool
1747 GridBase::apply(OpT& op) const
1748 {
1749  return internal::GridApplyImpl<OpT, const GridBase, GridTypeListT>::apply(*this, op);
1750 }
1751 
1752 template<typename GridTypeListT, typename OpT>
1753 inline bool
1755 {
1756  return internal::GridApplyImpl<OpT, GridBase, GridTypeListT>::apply(*this, op);
1757 }
1758 
1759 } // namespace OPENVDB_VERSION_NAME
1760 } // namespace openvdb
1761 
1762 #endif // OPENVDB_GRID_HAS_BEEN_INCLUDED
1763 
1764 // Copyright (c) 2012-2019 DreamWorks Animation LLC
1765 // All rights reserved. This software is distributed under the
1766 // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
openvdb::v6_1::Grid::getAccessor
Accessor getAccessor()
Return an accessor that provides random read and write access to this grid's voxels....
Definition: Grid.h:729
openvdb::v6_1::MetaMap
Container that maps names (strings) to values of arbitrary types.
Definition: MetaMap.h:46
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::tree
static TreeType & tree(TreeType &t)
Definition: Grid.h:1112
openvdb::v6_1::TreeAdapter::NonConstTreeType
typename std::remove_const< TreeType >::type NonConstTreeType
Definition: Grid.h:1039
openvdb::v6_1::gridPtrCast
GridType::Ptr gridPtrCast(const GridBase::Ptr &grid)
Cast a generic grid pointer to a pointer to a grid of a concrete class.
Definition: Grid.h:979
openvdb::v6_1::GridPtrVecCIter
GridPtrVec::const_iterator GridPtrVecCIter
Definition: Grid.h:529
OPENVDB_NO_TYPE_CONVERSION_WARNING_END
#define OPENVDB_NO_TYPE_CONVERSION_WARNING_END
Definition: Platform.h:224
openvdb::v6_1::GridBase::isRegistered
static bool isRegistered(const Name &type)
Return true if the given grid type name is registered.
openvdb::v6_1::GridNamePred::GridNamePred
GridNamePred(const Name &_name)
Definition: Grid.h:551
openvdb::v6_1::GridBase::hasUniformVoxels
bool hasUniformVoxels() const
Return true if the voxels in world space are uniformly sized cubes.
Definition: Grid.h:450
openvdb::v6_1::GridBase::constTransformPtr
math::Transform::ConstPtr constTransformPtr() const
Return a pointer to this grid's transform, which might be shared with other grids.
Definition: Grid.h:419
openvdb::v6_1::Grid::copyGrid
GridBase::Ptr copyGrid() override
Return a new grid of the same type as this grid whose metadata is a deep copy of this grid's and whos...
Definition: Grid.h:1374
openvdb::v6_1::Grid::Ptr
SharedPtr< Grid > Ptr
Definition: Grid.h:592
openvdb::v6_1::Grid::create
static Ptr create()
Return a new grid with background value zero.
Definition: Grid.h:1279
openvdb::v6_1::Grid::ValueAllCIter
typename _TreeType::ValueAllCIter ValueAllCIter
Definition: Grid.h:606
openvdb::v6_1::GridBase
Abstract base class for typed grids.
Definition: Grid.h:104
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::ConstTreePtrType
typename TreeType::ConstPtr ConstTreePtrType
Definition: Grid.h:1100
openvdb::v6_1::Grid::registerGrid
static void registerGrid()
Register this grid type along with a factory function.
Definition: Grid.h:947
openvdb::v6_1::GridBase::worldToIndex
Vec3d worldToIndex(const Vec3d &xyz) const
Apply the inverse of this grid's transform to the given coordinates.
Definition: Grid.h:456
openvdb::v6_1::tools::clip
GridType::Ptr clip(const GridType &grid, const BBoxd &bbox, bool keepInterior=true)
Clip the given grid against a world-space bounding box and return a new grid containing the result.
Definition: Clip.h:379
openvdb::v6_1::GridBase::transform
const math::Transform & transform() const
Return a pointer to this grid's transform, which might be shared with other grids.
Definition: Grid.h:427
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::tree
static const TreeType & tree(const AccessorType &a)
Definition: Grid.h:1117
openvdb::v6_1::GridBase::META_SAVE_HALF_FLOAT
static const char *const META_SAVE_HALF_FLOAT
Definition: Grid.h:370
openvdb::v6_1::Grid::ConstAccessor
typename tree::ValueAccessor< const _TreeType, true > ConstAccessor
Definition: Grid.h:609
openvdb::v6_1::TreeAdapter::constTree
static const TreeType & constTree(const TreeType &t)
Definition: Grid.h:1059
openvdb::v6_1::tree::TreeBase::Ptr
SharedPtr< TreeBase > Ptr
Definition: Tree.h:65
openvdb::v6_1::GridBase::META_FILE_COMPRESSION
static const char *const META_FILE_COMPRESSION
Definition: Grid.h:375
openvdb::v6_1::Grid::merge
void merge(Grid &other, MergePolicy policy=MERGE_ACTIVE_STATES)
Efficiently merge another grid into this grid using one of several schemes.
Definition: Grid.h:1468
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::NonConstGridPtrType
typename NonConstGridType::Ptr NonConstGridPtrType
Definition: Grid.h:1105
openvdb::v6_1::Grid::~Grid
~Grid() override
Definition: Grid.h:665
openvdb::v6_1::tree::TreeBase::ConstPtr
SharedPtr< const TreeBase > ConstPtr
Definition: Tree.h:66
Types.h
openvdb::v6_1::GridBase::~GridBase
~GridBase() override
Definition: Grid.h:113
openvdb::v6_1::Grid::deepCopyGrid
GridBase::Ptr deepCopyGrid() const override
Return a new grid whose metadata, transform and tree are deep copies of this grid's.
Definition: Grid.h:701
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::TreePtrType
typename TreeType::Ptr TreePtrType
Definition: Grid.h:1099
openvdb::v6_1::Grid::ValueOffIter
typename _TreeType::ValueOffIter ValueOffIter
Definition: Grid.h:603
openvdb::v6_1::GridCPtrVec
std::vector< GridBase::ConstPtr > GridCPtrVec
Definition: Grid.h:532
openvdb::v6_1::Grid::tree
const TreeType & tree() const
Definition: Grid.h:891
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::NonConstGridPtrType
typename NonConstGridType::Ptr NonConstGridPtrType
Definition: Grid.h:1076
openvdb::v6_1::TreeAdapter
This adapter allows code that is templated on a Tree type to accept either a Tree type or a Grid type...
Definition: Grid.h:1036
openvdb::v6_1::Grid::copyGridWithNewTree
GridBase::Ptr copyGridWithNewTree() const override
Return a new grid of the same type as this grid whose metadata and transform are deep copies of this ...
Definition: Grid.h:1389
openvdb::v6_1::Grid::readNonresidentBuffers
void readNonresidentBuffers() const override
Read all of this grid's data buffers that are not yet resident in memory (because delayed loading is ...
Definition: Grid.h:1603
openvdb::v6_1::GridBase::META_GRID_NAME
static const char *const META_GRID_NAME
Definition: Grid.h:369
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::NonConstTreeType
typename std::remove_const< TreeType >::type NonConstTreeType
Definition: Grid.h:1098
openvdb::v6_1::TreeAdapter::tree
static TreeType & tree(TreeType &t)
Definition: Grid.h:1053
openvdb::v6_1::Grid::UnsafeAccessor
typename tree::ValueAccessor< _TreeType, false > UnsafeAccessor
Definition: Grid.h:610
openvdb::v6_1::GridBase::unregisterGrid
static void unregisterGrid(const Name &type)
Remove a grid type from the registry.
openvdb::v6_1::GridPtrSet
std::set< GridBase::Ptr > GridPtrSet
Definition: Grid.h:537
openvdb::v6_1::Grid::getUnsafeAccessor
UnsafeAccessor getUnsafeAccessor()
Return an accessor that provides random read and write access to this grid's voxels....
Definition: Grid.h:738
openvdb::v6_1::Grid::getConstAccessor
ConstAccessor getConstAccessor() const
Definition: Grid.h:742
openvdb::v6_1::GridCPtrSetPtr
SharedPtr< GridCPtrSet > GridCPtrSetPtr
Definition: Grid.h:545
openvdb::v6_1::Grid::cbeginValueOff
ValueOffCIter cbeginValueOff() const
Definition: Grid.h:764
openvdb::v6_1::tree::ValueAccessor
Definition: ValueAccessor.h:220
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::NonConstAccessorType
typename tree::ValueAccessor< NonConstTreeType > NonConstAccessorType
Definition: Grid.h:1081
openvdb::v6_1::VecType
VecType
Definition: Types.h:532
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::ConstAccessorType
typename tree::ValueAccessor< const TreeType > ConstAccessorType
Definition: Grid.h:1109
Transform.h
openvdb::v6_1::math::BBox< Vec3d >
openvdb::v6_1::Grid::ConstPtr
SharedPtr< const Grid > ConstPtr
Definition: Grid.h:593
openvdb::v6_1::GridBase::voxelSize
Vec3d voxelSize() const
Return the size of this grid's voxels.
Definition: Grid.h:445
openvdb::v6_1::Grid::clear
void clear() override
Empty this grid, so that all voxels become inactive background voxels.
Definition: Grid.h:724
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::tree
static TreeType & tree(TreeType &t)
Definition: Grid.h:1083
openvdb::v6_1::Grid::constTree
const TreeType & constTree() const
Definition: Grid.h:892
openvdb::v6_1::Grid::Grid
Grid()
Construct a new grid with background value zero.
Definition: Grid.h:1216
openvdb::v6_1::Grid::type
Name type() const override
Return the name of this grid's type.
Definition: Grid.h:705
openvdb::v6_1::GridBase::META_FILE_BBOX_MIN
static const char *const META_FILE_BBOX_MIN
Definition: Grid.h:373
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::constTree
static const TreeType & constTree(const TreeType &t)
Definition: Grid.h:1089
openvdb::v6_1::GridBase::registerGrid
static void registerGrid(const Name &type, GridFactory)
Register a grid type along with a factory function.
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::constTree
static const TreeType & constTree(const TreeType &t)
Definition: Grid.h:1120
openvdb::v6_1::Grid::constBaseTreePtr
TreeBase::ConstPtr constBaseTreePtr() const override
Return a pointer to this grid's tree, which might be shared with other grids. The pointer is guarante...
Definition: Grid.h:883
openvdb::v6_1::LEVEL_SET_HALF_WIDTH
static const Real LEVEL_SET_HALF_WIDTH
Definition: Types.h:510
openvdb::v6_1::GridBase::constTransform
const math::Transform & constTransform() const
Return a pointer to this grid's transform, which might be shared with other grids.
Definition: Grid.h:428
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::tree
static TreeType & tree(GridType &g)
Definition: Grid.h:1084
openvdb::v6_1::Grid::cbeginValueAll
ValueAllCIter cbeginValueAll() const
Definition: Grid.h:770
openvdb::v6_1::TreeAdapter::TreeType
_TreeType TreeType
Definition: Grid.h:1038
openvdb::v6_1::findGridByName
GridPtrT findGridByName(const std::map< KeyT, GridPtrT > &container, const Name &name)
Return the first grid in the given map whose name is name.
Definition: Grid.h:570
openvdb::v6_1::Grid::copyWithNewTree
Ptr copyWithNewTree() const
Return a new grid of the same type as this grid whose metadata and transform are deep copies of this ...
Definition: Grid.h:1364
openvdb::v6_1::Grid::ValueType
typename _TreeType::ValueType ValueType
Definition: Grid.h:598
openvdb::v6_1::GridBase::apply
bool apply(OpT &) const
If this grid resolves to one of the listed grid types, invoke the given functor on the resolved grid.
Definition: Grid.h:1747
openvdb::v6_1::Grid::print
void print(std::ostream &=std::cout, int verboseLevel=1) const override
Output a human-readable description of this grid.
Definition: Grid.h:1650
openvdb::v6_1::GridPtrSetPtr
SharedPtr< GridPtrSet > GridPtrSetPtr
Definition: Grid.h:540
openvdb::v6_1::TreeAdapter::tree
static const TreeType & tree(const TreeType &t)
Definition: Grid.h:1055
openvdb::v6_1::TreeAdapter::constTree
static const TreeType & constTree(TreeType &t)
Definition: Grid.h:1057
openvdb::v6_1::GridBase::baseTreePtr
TreeBase::ConstPtr baseTreePtr() const
Return a pointer to this grid's tree, which might be shared with other grids. The pointer is guarante...
Definition: Grid.h:190
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::ValueType
typename TreeType::ValueType ValueType
Definition: Grid.h:1078
openvdb::v6_1::GridBase::GridBase
GridBase(const GridBase &other)
Deep copy another grid's metadata and transform.
Definition: Grid.h:502
openvdb::v6_1::GridBase::baseTree
TreeBase & baseTree()
Return a reference to this grid's tree, which might be shared with other grids.
Definition: Grid.h:199
openvdb::v6_1::GridBase::transformPtr
math::Transform::ConstPtr transformPtr() const
Return a pointer to this grid's transform, which might be shared with other grids.
Definition: Grid.h:418
openvdb::v6_1::TreeAdapter::NonConstTreePtrType
typename NonConstTreeType::Ptr NonConstTreePtrType
Definition: Grid.h:1042
Name.h
openvdb::v6_1::deepCopyTypedGrid
GridType::Ptr deepCopyTypedGrid(const GridBase &grid)
Return a pointer to a deep copy of the given grid, provided that the grid's concrete type is GridType...
Definition: Grid.h:1021
openvdb::v6_1::Grid::writeBuffers
void writeBuffers(std::ostream &) const override
Write out all data buffers for this grid.
Definition: Grid.h:1613
openvdb::v6_1::GridCPtrVecCIter
GridCPtrVec::const_iterator GridCPtrVecCIter
Definition: Grid.h:534
openvdb::v6_1::GridBase::baseTree
const TreeBase & baseTree() const
Return a reference to this grid's tree, which might be shared with other grids.
Definition: Grid.h:204
openvdb::v6_1::Grid::tree
TreeType & tree()
Return a reference to this grid's tree, which might be shared with other grids.
Definition: Grid.h:890
openvdb::v6_1::Grid::evalActiveVoxelDim
Coord evalActiveVoxelDim() const override
Return the dimensions of the axis-aligned bounding box of all active voxels.
Definition: Grid.h:1524
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::TreeType
_TreeType TreeType
Definition: Grid.h:1068
openvdb::v6_1::tree::internal::LeafBufferFlags
Definition: LeafBuffer.h:67
openvdb::v6_1::Grid::BuildType
typename _TreeType::BuildType BuildType
Definition: Grid.h:599
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::ConstGridPtrType
typename GridType::ConstPtr ConstGridPtrType
Definition: Grid.h:1077
openvdb::v6_1::Grid::writeTopology
void writeTopology(std::ostream &) const override
Write the grid topology to a stream. This will write only the grid structure, not the actual data buf...
Definition: Grid.h:1548
openvdb::v6_1::Grid::treePtr
ConstTreePtrType treePtr() const
Definition: Grid.h:881
openvdb::v6_1::Grid::ValueOffCIter
typename _TreeType::ValueOffCIter ValueOffCIter
Definition: Grid.h:604
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::NonConstAccessorType
typename tree::ValueAccessor< NonConstTreeType > NonConstAccessorType
Definition: Grid.h:1110
openvdb::v6_1::Grid::constTreePtr
ConstTreePtrType constTreePtr() const
Definition: Grid.h:882
openvdb::v6_1::HasMultiPassIO
Metafunction that specifies whether a given leaf node, tree, or grid type requires multiple passes to...
Definition: Grid.h:1136
openvdb::v6_1::Grid::ValueOnCIter
typename _TreeType::ValueOnCIter ValueOnCIter
Definition: Grid.h:602
MetaMap.h
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::constTree
static const TreeType & constTree(const GridType &g)
Definition: Grid.h:1121
openvdb::v6_1::Grid::empty
bool empty() const override
Return true if this grid contains only inactive background voxels.
Definition: Grid.h:722
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::ConstTreePtrType
typename TreeType::ConstPtr ConstTreePtrType
Definition: Grid.h:1071
OPENVDB_API
#define OPENVDB_API
Helper macros for defining library symbol visibility.
Definition: Platform.h:288
openvdb::v6_1::TreeAdapter::ValueType
typename TreeType::ValueType ValueType
Definition: Grid.h:1048
openvdb::v6_1::Grid::readBuffers
void readBuffers(std::istream &) override
Read all data buffers for this grid.
Definition: Grid.h:1556
openvdb::v6_1::ValueError
Definition: Exceptions.h:92
openvdb::v6_1::Grid::beginValueOn
ValueOnCIter beginValueOn() const
Definition: Grid.h:757
openvdb::v6_1::createLevelSet
GridType::Ptr createLevelSet(Real voxelSize=1.0, Real halfWidth=LEVEL_SET_HALF_WIDTH)
Create a new grid of type GridType classified as a "Level Set", i.e., a narrow-band level set.
Definition: Grid.h:1702
openvdb::v6_1::TreeAdapter::AccessorType
typename tree::ValueAccessor< TreeType > AccessorType
Definition: Grid.h:1049
openvdb::v6_1::GridBase::META_FILE_VOXEL_COUNT
static const char *const META_FILE_VOXEL_COUNT
Definition: Grid.h:377
openvdb::v6_1::Grid::TreeType
_TreeType TreeType
Definition: Grid.h:595
OPENVDB_DEPRECATED
#define OPENVDB_DEPRECATED
Definition: Platform.h:69
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::constTree
static const TreeType & constTree(GridType &g)
Definition: Grid.h:1088
openvdb::v6_1::Grid::topologyUnion
void topologyUnion(const Grid< OtherTreeType > &other)
Union this grid's set of active values with the active values of the other grid, whose value type may...
Definition: Grid.h:1477
openvdb::v6_1::GridBase::META_GRID_CLASS
static const char *const META_GRID_CLASS
Definition: Grid.h:367
openvdb::v6_1::GridCPtrVecIter
GridCPtrVec::iterator GridCPtrVecIter
Definition: Grid.h:533
openvdb::v6_1::SharedPtr
std::shared_ptr< T > SharedPtr
Definition: Types.h:139
openvdb::v6_1::Grid::denseFill
void denseFill(const CoordBBox &bbox, const ValueType &value, bool active=true)
Set all voxels within a given axis-aligned box to a constant value and ensure that those voxels are a...
Definition: Grid.h:1441
openvdb::v6_1::GridPtrVecIter
GridPtrVec::iterator GridPtrVecIter
Definition: Grid.h:528
openvdb::v6_1::TreeAdapter::tree
static TreeType & tree(GridType &g)
Definition: Grid.h:1054
openvdb::v6_1::Grid::evalMinMax
void evalMinMax(ValueType &minVal, ValueType &maxVal) const
Return the minimum and maximum active values in this grid.
Definition: Grid.h:1506
openvdb::v6_1::GridBase::voxelSize
Vec3d voxelSize(const Vec3d &xyz) const
Return the size of this grid's voxel at position (x, y, z).
Definition: Grid.h:448
openvdb::v6_1::io::StreamMetadata::Ptr
SharedPtr< StreamMetadata > Ptr
Definition: io.h:60
openvdb::v6_1::StaticPtrCast
SharedPtr< T > StaticPtrCast(const SharedPtr< U > &ptr)
Return a new shared pointer that points to the same object as the given pointer after a static_cast.
Definition: Types.h:171
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::AccessorType
typename tree::ValueAccessor< TreeType > AccessorType
Definition: Grid.h:1079
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::constTree
static const TreeType & constTree(TreeType &t)
Definition: Grid.h:1087
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::ConstAccessorType
typename tree::ValueAccessor< const TreeType > ConstAccessorType
Definition: Grid.h:1080
openvdb::v6_1::GridNamePred::name
Name name
Definition: Grid.h:553
openvdb::v6_1::ShallowCopy
Tag dispatch class that distinguishes shallow copy constructors from deep copy constructors.
Definition: Types.h:747
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::tree
static TreeType & tree(AccessorType &a)
Definition: Grid.h:1114
openvdb::v6_1::Grid::hasMultiPassIO
static bool hasMultiPassIO()
Return true if grids of this type require multiple I/O passes to read and write data buffers.
Definition: Grid.h:1642
openvdb::v6_1::tree::TreeBase
Base class for typed trees.
Definition: Tree.h:62
openvdb::v6_1::TreeBase
tree::TreeBase TreeBase
Definition: Grid.h:53
openvdb::v6_1::MetaMap::Ptr
SharedPtr< MetaMap > Ptr
Definition: MetaMap.h:49
openvdb::v6_1::GridBase::indexToWorld
Vec3d indexToWorld(const Coord &ijk) const
Apply this grid's transform to the given coordinates.
Definition: Grid.h:454
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::AccessorType
typename tree::ValueAccessor< TreeType > AccessorType
Definition: Grid.h:1108
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::tree
static TreeType & tree(GridType &g)
Definition: Grid.h:1113
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::NonConstTreePtrType
typename NonConstTreeType::Ptr NonConstTreePtrType
Definition: Grid.h:1072
openvdb::v6_1::GridCPtrSet
std::set< GridBase::ConstPtr > GridCPtrSet
Definition: Grid.h:542
openvdb::v6_1::GridBase::META_IS_LOCAL_SPACE
static const char *const META_IS_LOCAL_SPACE
Definition: Grid.h:371
openvdb::v6_1::Grid::ValueAllIter
typename _TreeType::ValueAllIter ValueAllIter
Definition: Grid.h:605
openvdb::v6_1::Grid::Accessor
typename tree::ValueAccessor< _TreeType, true > Accessor
Definition: Grid.h:608
openvdb::v6_1::GridBase::META_VECTOR_TYPE
static const char *const META_VECTOR_TYPE
Definition: Grid.h:372
openvdb::v6_1::GridPtrSetIter
GridPtrSet::iterator GridPtrSetIter
Definition: Grid.h:538
openvdb::v6_1::Real
double Real
Definition: Types.h:67
openvdb::v6_1::TypeError
Definition: Exceptions.h:91
openvdb::v6_1::Index64
uint64_t Index64
Definition: Types.h:60
openvdb::v6_1::GridNamePred
Predicate functor that returns true for grids that have a specified name.
Definition: Grid.h:549
openvdb::v6_1::GridPtrVec
std::vector< GridBase::Ptr > GridPtrVec
Definition: Grid.h:527
openvdb::v6_1::math::Coord
Signed (x, y, z) 32-bit integer coordinates.
Definition: Coord.h:52
openvdb::v6_1::Grid::gridType
static Name gridType()
Return the name of this type of grid.
Definition: Grid.h:707
openvdb::v6_1::OPENVDB_FILE_VERSION_MULTIPASS_IO
Definition: version.h:221
openvdb::v6_1::Grid::pruneGrid
void pruneGrid(float tolerance=0.0) override
Reduce the memory footprint of this grid by increasing its sparseness.
Definition: Grid.h:1448
openvdb::v6_1::math::CoordBBox
Axis-aligned bounding box of signed integer coordinates.
Definition: Coord.h:271
openvdb::v6_1::Grid::TreePtrType
typename _TreeType::Ptr TreePtrType
Definition: Grid.h:596
openvdb::v6_1::GridBase::constBaseTree
const TreeBase & constBaseTree() const
Return a reference to this grid's tree, which might be shared with other grids.
Definition: Grid.h:209
openvdb::v6_1::GridBase::Ptr
SharedPtr< GridBase > Ptr
Definition: Grid.h:107
openvdb::v6_1::Grid::topologyIntersection
void topologyIntersection(const Grid< OtherTreeType > &other)
Intersect this grid's set of active values with the active values of the other grid,...
Definition: Grid.h:1486
openvdb::v6_1::math::Transform::ConstPtr
SharedPtr< const Transform > ConstPtr
Definition: Transform.h:70
openvdb::v6_1::Grid::evalActiveVoxelBoundingBox
CoordBBox evalActiveVoxelBoundingBox() const override
Return the axis-aligned bounding box of all active voxels.
Definition: Grid.h:1514
openvdb::v6_1::Grid::unregisterGrid
static void unregisterGrid()
Remove this grid type from the registry.
Definition: Grid.h:956
OPENVDB_USE_VERSION_NAMESPACE
#define OPENVDB_USE_VERSION_NAMESPACE
Definition: version.h:177
openvdb::v6_1::math::Transform::createLinearTransform
static Transform::Ptr createLinearTransform(double voxelSize=1.0)
Create and return a shared pointer to a new transform.
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::GridPtrType
typename GridType::Ptr GridPtrType
Definition: Grid.h:1075
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::GridPtrType
typename GridType::Ptr GridPtrType
Definition: Grid.h:1104
openvdb::v6_1::math::Vec3d
Vec3< double > Vec3d
Definition: Vec3.h:689
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::tree
static const TreeType & tree(const GridType &g)
Definition: Grid.h:1116
openvdb::v6_1::GridBase::writeTransform
void writeTransform(std::ostream &os) const
Write out the transform for this grid.
Definition: Grid.h:489
openvdb::v6_1::GridBase::META_GRID_CREATOR
static const char *const META_GRID_CREATOR
Definition: Grid.h:368
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::tree
static const TreeType & tree(const TreeType &t)
Definition: Grid.h:1085
openvdb::v6_1::Grid::ConstTreePtrType
typename _TreeType::ConstPtr ConstTreePtrType
Definition: Grid.h:597
Tree.h
openvdb::v6_1::TreeAdapter::constTree
static const TreeType & constTree(const GridType &g)
Definition: Grid.h:1060
openvdb::v6_1::Grid::memUsage
Index64 memUsage() const override
Definition: Grid.h:871
openvdb::v6_1::Grid::newTree
void newTree() override
Associate a new, empty tree with this grid, in place of its existing tree.
Definition: Grid.h:1415
openvdb::v6_1::GridCPtrVecPtr
SharedPtr< GridCPtrVec > GridCPtrVecPtr
Definition: Grid.h:535
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::TreePtrType
typename TreeType::Ptr TreePtrType
Definition: Grid.h:1070
openvdb::v6_1::TreeAdapter::tree
static const TreeType & tree(const GridType &g)
Definition: Grid.h:1056
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::constTree
static const TreeType & constTree(TreeType &t)
Definition: Grid.h:1118
openvdb::v6_1::Grid::background
const ValueType & background() const
Return this grid's background value.
Definition: Grid.h:719
OPENVDB_NO_TYPE_CONVERSION_WARNING_BEGIN
#define OPENVDB_NO_TYPE_CONVERSION_WARNING_BEGIN
Bracket code with OPENVDB_NO_TYPE_CONVERSION_WARNING_BEGIN/_END, to inhibit warnings about type conve...
Definition: Platform.h:223
openvdb::v6_1::GridPtrVecPtr
SharedPtr< GridPtrVec > GridPtrVecPtr
Definition: Grid.h:530
openvdb::v6_1::io::setGridClass
OPENVDB_API void setGridClass(std::ios_base &, uint32_t)
Associate with the given stream the class (GRID_LEVEL_SET, GRID_UNKNOWN, etc.) of the grid currently ...
logging.h
openvdb::v6_1::Grid::valueType
Name valueType() const override
Return the name of the type of a voxel's value (e.g., "float" or "vec3d").
Definition: Grid.h:714
io.h
openvdb::v6_1::Grid::fill
void fill(const CoordBBox &bbox, const ValueType &value, bool active=true)
Definition: Grid.h:1434
openvdb::v6_1::Grid::ConstUnsafeAccessor
typename tree::ValueAccessor< const _TreeType, false > ConstUnsafeAccessor
Definition: Grid.h:611
openvdb::v6_1::Grid::isRegistered
static bool isRegistered()
Return true if this grid type is registered.
Definition: Grid.h:945
openvdb::v6_1::GridBase::setTransform
void setTransform(math::Transform::Ptr)
Associate the given transform with this grid, in place of its existing transform.
Definition: Grid.h:1205
openvdb::v6_1::GridBase::readTransform
void readTransform(std::istream &is)
Read in the transform for this grid.
Definition: Grid.h:487
openvdb::v6_1::TreeAdapter::ConstTreePtrType
typename TreeType::ConstPtr ConstTreePtrType
Definition: Grid.h:1041
openvdb::v6_1::MERGE_ACTIVE_STATES
Definition: Types.h:556
openvdb::v6_1::TreeAdapter::constTree
static const TreeType & constTree(GridType &g)
Definition: Grid.h:1058
openvdb::v6_1::createGrid
GridType::Ptr createGrid(const typename GridType::ValueType &background)
Create a new grid of type GridType with a given background value.
Definition: Grid.h:1677
openvdb::v6_1::io::getFormatVersion
OPENVDB_API uint32_t getFormatVersion(std::ios_base &)
Return the file format version number associated with the given input stream.
OPENVDB_VERSION_NAME
#define OPENVDB_VERSION_NAME
The version namespace name for this library version.
Definition: version.h:125
openvdb::v6_1::Grid::ValueOnIter
typename _TreeType::ValueOnIter ValueOnIter
Definition: Grid.h:601
openvdb::v6_1::GridBase::isType
bool isType() const
Return true if this grid is of the same type as the template parameter.
Definition: Grid.h:165
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::NonConstTreePtrType
typename NonConstTreeType::Ptr NonConstTreePtrType
Definition: Grid.h:1101
openvdb::v6_1::CopyConstness::Type
typename std::remove_const< ToType >::type Type
Definition: Types.h:348
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::tree
static const TreeType & tree(const TreeType &t)
Definition: Grid.h:1115
openvdb::v6_1::GridClass
GridClass
Definition: Types.h:502
openvdb::v6_1::GRID_LEVEL_SET
Definition: Types.h:504
openvdb::v6_1::GridPtrSetCIter
GridPtrSet::const_iterator GridPtrSetCIter
Definition: Grid.h:539
openvdb::v6_1::Grid::beginValueOff
ValueOffCIter beginValueOff() const
Definition: Grid.h:763
openvdb::v6_1::Grid::setTree
void setTree(TreeBase::Ptr) override
Associate the given tree with this grid, in place of its existing tree.
Definition: Grid.h:1402
openvdb::v6_1::Grid::topologyDifference
void topologyDifference(const Grid< OtherTreeType > &other)
Difference this grid's set of active values with the active values of the other grid,...
Definition: Grid.h:1495
openvdb::v6_1::GridCPtrSetIter
GridCPtrSet::iterator GridCPtrSetIter
Definition: Grid.h:543
openvdb::v6_1::Grid
Container class that associates a tree with a transform and metadata.
Definition: Grid.h:55
openvdb::v6_1::TreeAdapter::TreePtrType
typename TreeType::Ptr TreePtrType
Definition: Grid.h:1040
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::constTree
static const TreeType & constTree(const GridType &g)
Definition: Grid.h:1090
openvdb::v6_1::TreeAdapter::ConstGridPtrType
typename GridType::ConstPtr ConstGridPtrType
Definition: Grid.h:1047
openvdb::v6_1::GridBase::GridFactory
Ptr(*)() GridFactory
Definition: Grid.h:110
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::constTree
static const TreeType & constTree(GridType &g)
Definition: Grid.h:1119
openvdb::v6_1::GridBase::META_FILE_BBOX_MAX
static const char *const META_FILE_BBOX_MAX
Definition: Grid.h:374
openvdb::v6_1::Grid::cbeginValueOn
ValueOnCIter cbeginValueOn() const
Definition: Grid.h:758
openvdb::v6_1::GridBase::META_FILE_MEM_BYTES
static const char *const META_FILE_MEM_BYTES
Definition: Grid.h:376
openvdb::v6_1::GridNamePred::operator()
bool operator()(const GridBase::ConstPtr &g) const
Definition: Grid.h:552
openvdb::v6_1::TypeList
A list of types (not necessarily unique)
Definition: Types.h:439
openvdb::v6_1::math::Transform::Ptr
SharedPtr< Transform > Ptr
Definition: Transform.h:69
openvdb::v6_1::GridBase::deepCopyGrid
virtual GridBase::Ptr deepCopyGrid() const =0
Return a new grid whose metadata, transform and tree are deep copies of this grid's.
openvdb
Definition: Exceptions.h:40
openvdb::v6_1::MetaMap::ConstMetaIterator
MetadataMap::const_iterator ConstMetaIterator
Definition: MetaMap.h:55
openvdb::v6_1::GridBase::indexToWorld
Vec3d indexToWorld(const Vec3d &xyz) const
Apply this grid's transform to the given coordinates.
Definition: Grid.h:452
openvdb::v6_1::gridConstPtrCast
GridType::ConstPtr gridConstPtrCast(const GridBase::ConstPtr &grid)
Cast a generic const grid pointer to a const pointer to a grid of a concrete class.
Definition: Grid.h:995
openvdb::v6_1::io::getStreamMetadataPtr
OPENVDB_API SharedPtr< StreamMetadata > getStreamMetadataPtr(std::ios_base &)
Return a shared pointer to an object that stores metadata (file format, compression scheme,...
openvdb::v6_1::GridBase::GridBase
GridBase()
Initialize with an identity linear transform.
Definition: Grid.h:499
openvdb::v6_1::Grid::beginValueAll
ValueAllCIter beginValueAll() const
Definition: Grid.h:769
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::tree
static const TreeType & tree(const GridType &g)
Definition: Grid.h:1086
openvdb::v6_1::Grid::readTopology
void readTopology(std::istream &) override
Read the grid topology from a stream. This will read only the grid structure, not the actual data buf...
Definition: Grid.h:1540
openvdb::v6_1::GridBase::grid
static GridType::Ptr grid(const GridBase::Ptr &)
Return the result of downcasting a GridBase pointer to a Grid pointer of the specified type,...
Definition: Grid.h:1160
openvdb::v6_1::GridBase::baseTreePtr
TreeBase::Ptr baseTreePtr()
Return a pointer to this grid's tree, which might be shared with other grids. The pointer is guarante...
Definition: Grid.h:1198
openvdb::v6_1::Grid::clip
void clip(const CoordBBox &) override
Clip this grid to the given index-space bounding box.
Definition: Grid.h:1459
openvdb::v6_1::TreeAdapter::NonConstAccessorType
typename tree::ValueAccessor< NonConstTreeType > NonConstAccessorType
Definition: Grid.h:1051
openvdb::v6_1::Name
std::string Name
Definition: Name.h:44
openvdb::v6_1::TreeAdapter::ConstAccessorType
typename tree::ValueAccessor< const TreeType > ConstAccessorType
Definition: Grid.h:1050
openvdb::v6_1::math::Transform
Definition: Transform.h:66
openvdb::v6_1::TreeAdapter::NonConstGridPtrType
typename NonConstGridType::Ptr NonConstGridPtrType
Definition: Grid.h:1046
openvdb::v6_1::GridBase::constGrid
static GridType::ConstPtr constGrid(const GridBase::Ptr &)
Definition: Grid.h:1182
openvdb::v6_1::MergePolicy
MergePolicy
Definition: Types.h:555
openvdb::v6_1::TreeAdapter< Grid< _TreeType > >::NonConstTreeType
typename std::remove_const< TreeType >::type NonConstTreeType
Definition: Grid.h:1069
openvdb::v6_1::Grid::sparseFill
void sparseFill(const CoordBBox &bbox, const ValueType &value, bool active=true)
Set all voxels within a given axis-aligned box to a constant value.
Definition: Grid.h:1426
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::ValueType
typename TreeType::ValueType ValueType
Definition: Grid.h:1107
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::TreeType
_TreeType TreeType
Definition: Grid.h:1097
openvdb::v6_1::GridBase::ConstPtr
SharedPtr< const GridBase > ConstPtr
Definition: Grid.h:108
openvdb::v6_1::Grid::ValueConverter
ValueConverter<T>::Type is the type of a grid having the same hierarchy as this grid but a different ...
Definition: Grid.h:620
OPENVDB_THROW
#define OPENVDB_THROW(exception, message)
Definition: Exceptions.h:109
Exceptions.h
openvdb::v6_1::TreeAdapter< tree::ValueAccessor< _TreeType > >::ConstGridPtrType
typename GridType::ConstPtr ConstGridPtrType
Definition: Grid.h:1106
openvdb::v6_1::io::getGridClass
OPENVDB_API uint32_t getGridClass(std::ios_base &)
Return the class (GRID_LEVEL_SET, GRID_UNKNOWN, etc.) of the grid currently being read from or writte...
openvdb::v6_1::TreeAdapter::GridPtrType
typename GridType::Ptr GridPtrType
Definition: Grid.h:1045
openvdb::v6_1::Grid::activeVoxelCount
Index64 activeVoxelCount() const override
Return the number of active voxels.
Definition: Grid.h:863
openvdb::v6_1::Grid::copy
Ptr copy()
Return a new grid of the same type as this grid whose metadata and transform are deep copies of this ...
Definition: Grid.h:1356
OPENVDB_LOG_WARN
#define OPENVDB_LOG_WARN(message)
Log a warning message of the form 'someVar << "some text" << ...'.
Definition: logging.h:280
openvdb::v6_1::GridCPtrSetCIter
GridCPtrSet::const_iterator GridCPtrSetCIter
Definition: Grid.h:544
openvdb::v6_1::createGrid
Grid< typename TreePtrType::element_type >::Ptr createGrid(TreePtrType)
Create a new grid of the appropriate type that wraps the given tree.
Definition: Grid.h:1693