OpenVDB 11.0.0

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Classes | Public Types | Public Member Functions | Static Public Member Functions | List of all members
MultiResGrid< TreeType > Class Template Reference

`#include <openvdb/tools/MultiResGrid.h>`

Inheritance diagram for MultiResGrid< TreeType >:

## Classes
struct | MaskOp
struct | ProlongateOp
struct | RestrictOp

## Public Types
using | Ptr = SharedPtr< MultiResGrid >
using | ConstPtr = SharedPtr< const MultiResGrid >
using | ValueType = typename TreeType::ValueType
using | ValueOnCIter = typename TreeType::ValueOnCIter
using | ValueOnIter = typename TreeType::ValueOnIter
using | TreePtr = typename TreeType::Ptr
using | ConstTreePtr = typename TreeType::ConstPtr
using | GridPtr = typename Grid< TreeType >::Ptr
using | ConstGridPtr = typename Grid< TreeType >::ConstPtr
using | MetadataMap = std::map< Name, Metadata::Ptr >
using | MetaIterator = MetadataMap::iterator
using | ConstMetaIterator = MetadataMap::const_iterator

## Public Member Functions
| MultiResGrid (size_t levels, ValueType background, double voxelSize=1.0)
| Constructor of empty grids.
| MultiResGrid (size_t levels, const Grid< TreeType > &grid, bool useInjection=false)
| Given an initial high-resolution grid this constructor generates all the coarser grids by means of restriction.
| MultiResGrid (size_t levels, GridPtr grid, bool useInjection=false)
| Given an initial high-resolution grid this constructor generates all the coarser grids by means of restriction.
size_t | numLevels () const
| Return the number of levels, i.e. trees, in this MultiResGrid.
size_t | coarsestLevel () const
| Return the level of the coarsest grid, i.e. numLevels()-1.
TreeType & | tree (size_t level)
| Return a reference to the tree at the specified level.
const TreeType & | constTree (size_t level) const
| Return a const reference to the tree at the specified level.
TreePtr | treePtr (size_t level)
| Return a shared pointer to the tree at the specified level.
ConstTreePtr | constTreePtr (size_t level) const
| Return a const shared pointer to the tree at the specified level.
TreeType & | finestTree ()
| Return a reference to the tree at the finest level.
const TreeType & | finestConstTree () const
| Return a const reference to the tree at the finest level.
TreePtr | finestTreePtr ()
| Return a shared pointer to the tree at the finest level.
ConstTreePtr | finestConstTreePtr () const
| Return a const shared pointer to the tree at the finest level.
TreeType & | coarsestTree ()
| Return a reference to the tree at the coarsest level.
const TreeType & | coarsestConstTree () const
| Return a const reference to the tree at the coarsest level.
TreePtr | coarsestTreePtr ()
| Return a shared pointer to the tree at the coarsest level.
ConstTreePtr | coarsestConstTreePtr () const
| Return a const shared pointer to the tree at the coarsest level.
GridPtr | grid (size_t level)
| Return a shared pointer to the grid at the specified integer level.
ConstGridPtr | grid (size_t level) const
| Return a const shared pointer to the grid at the specified level.
template<Index Order>
GridPtr | createGrid (float level, size_t grainSize=1) const
| Return a shared pointer to a new grid at the specified floating-point level.
GridPtrVecPtr | grids ()
| Return a shared pointer to a vector of all the base grids in this instance of the MultiResGrid.
GridCPtrVecPtr | grids () const
| Return a const shared pointer to a vector of all the base grids in this instance of the MultiResGrid.
math::Transform & | transform ()
| Return a reference to the finest grid's transform, which might be shared with other grids.
const math::Transform & | transform () const
const math::Transform & | constTransform () const
template<Index Order>
ValueType | sampleValue (const Coord &in_ijk, size_t in_level, size_t out_level) const
| Return the value at the specified coordinate position using interpolation of the specified order into the tree at the out_level.
template<Index Order>
ValueType | sampleValue (const Vec3R &in_ijk, size_t in_level, size_t out_level) const
template<Index Order>
ValueType | sampleValue (const Coord &ijk, double level) const
| Return the value at the specified integer coordinate position and level using interpolation of the specified order.
template<Index Order>
ValueType | sampleValue (const Vec3R &xyz, double level) const
| Return the value at the specified floating-point coordinate position and level using interpolation of the specified order.
ValueType | prolongateVoxel (const Coord &coords, const size_t level) const
| Return the value at coordinate location in level tree from the coarser tree at level+1 using trilinear interpolation.
void | prolongateActiveVoxels (size_t destlevel, size_t grainSize=1)
ValueType | restrictVoxel (Coord ijk, const size_t level, bool useInjection=false) const
void | restrictActiveVoxels (size_t destlevel, size_t grainSize=1)
void | print (std::ostream &=std::cout, int verboseLevel=1) const
| Output a human-readable description of this MultiResGrid.
std::string | getName () const
| Return a string with the name of this MultiResGrid.
void | setName (const std::string &name)
| Set the name of this MultiResGrid.
GridClass | getGridClass () const
| Return the class of volumetric data (level set, fog volume, etc.) stored in this grid.
void | setGridClass (GridClass cls)
| Specify the class of volumetric data (level set, fog volume, etc.) stored in this grid.
void | clearGridClass ()
| Remove the setting specifying the class of this grid's volumetric data.
template<Index Order>
Grid< TreeType >::Ptr | createGrid (float level, size_t grainSize) const
template<Index Order>
TreeType::ValueType | sampleValue (const Coord &in_ijk, size_t in_level, size_t out_level) const
template<Index Order>
TreeType::ValueType | sampleValue (const Vec3R &in_xyz, size_t in_level, size_t out_level) const
template<Index Order>
TreeType::ValueType | sampleValue (const Coord &ijk, double level) const
template<Index Order>
TreeType::ValueType | sampleValue (const Vec3R &xyz, double level) const
MetaMap::Ptr | copyMeta () const
| Return a copy of this map whose fields are shared with this map.
MetaMap::Ptr | deepCopyMeta () const
| Return a deep copy of this map that shares no data with this map.
void | readMeta (std::istream &)
| Unserialize metadata from the given stream.
void | writeMeta (std::ostream &) const
| Serialize metadata to the given stream.
void | insertMeta (const Name &, const Metadata &value)
| Insert a new metadata field or overwrite the value of an existing field.
void | insertMeta (const MetaMap &)
| Deep copy all of the metadata fields from the given map into this map.
void | removeMeta (const Name &)
| Remove the given metadata field if it exists.
Metadata::Ptr | operator[] (const Name &)
| Return a pointer to the metadata with the given name. If no such field exists, return a null pointer.
Metadata::ConstPtr | operator[] (const Name &) const
template<typename T >
T::Ptr | getMetadata (const Name &)
| Return a pointer to a TypedMetadata object of type `T` and with the given name. If no such field exists or if there is a type mismatch, return a null pointer.
template<typename T >
T::ConstPtr | getMetadata (const Name &) const
template<typename T >
T & | metaValue (const Name &)
| Return a reference to the value of type `T` stored in the given metadata field.
template<typename T >
const T & | metaValue (const Name &) const
MetaIterator | beginMeta ()
ConstMetaIterator | beginMeta () const
MetaIterator | endMeta ()
ConstMetaIterator | endMeta () const
void | clearMetadata ()
size_t | metaCount () const
std::string | str (const std::string &indent="") const
| Return a string describing this metadata map. Prefix each line with indent.
bool | operator== (const MetaMap &other) const
| Return `true` if the given map is equivalent to this map.
bool | operator!= (const MetaMap &other) const
| Return `true` if the given map is different from this map.

## Static Public Member Functions
static size_t | finestLevel ()
| Return the level of the finest grid (always 0)
static Vec3R | xyz (const Coord &in_ijk, size_t in_level, size_t out_level)
| Return the floating-point index coordinate at out_level given the index coordinate in_xyz at in_level.
static Vec3R | xyz (const Vec3R &in_xyz, size_t in_level, size_t out_level)
static Vec3R | xyz (const Vec3R &in_xyz, double in_level, double out_level)

## Member Typedef Documentation

## ◆ ConstGridPtr

template<typename TreeType >

using ConstGridPtr = typename Grid<TreeType>::ConstPtr

## ◆ ConstMetaIterator

using ConstMetaIterator = MetadataMap::const_iterator
| inherited

## ◆ ConstPtr

template<typename TreeType >

using ConstPtr = SharedPtr<const MultiResGrid>

## ◆ ConstTreePtr

template<typename TreeType >

using ConstTreePtr = typename TreeType::ConstPtr

## ◆ GridPtr

template<typename TreeType >

using GridPtr = typename Grid<TreeType>::Ptr

## ◆ MetadataMap

using MetadataMap = std::map<Name, Metadata::Ptr>
| inherited

## ◆ MetaIterator

using MetaIterator = MetadataMap::iterator
| inherited

## ◆ Ptr

template<typename TreeType >

using Ptr = SharedPtr<MultiResGrid>

## ◆ TreePtr

template<typename TreeType >

using TreePtr = typename TreeType::Ptr

## ◆ ValueOnCIter

template<typename TreeType >

using ValueOnCIter = typename TreeType::ValueOnCIter

## ◆ ValueOnIter

template<typename TreeType >

using ValueOnIter = typename TreeType::ValueOnIter

## ◆ ValueType

template<typename TreeType >

using ValueType = typename TreeType::ValueType

## Constructor & Destructor Documentation

## ◆ MultiResGrid() [1/3]

template<typename TreeType >

MultiResGrid | ( | size_t | levels,
|  | ValueType | background,
|  | double | voxelSize = `1.0`
| ) |  |

Constructor of empty grids.

Parameters

  levels | The number of trees in this MultiResGrid
  background | Background value
  voxelSize | Size of a (uniform voxel). Defaults to one.

Note
  The multiple grids are all empty.

## ◆ MultiResGrid() [2/3]

template<typename TreeType >

MultiResGrid | ( | size_t | levels,
|  | const Grid< TreeType > & | grid,
|  | bool | useInjection = `false`
| ) |  |

Given an initial high-resolution grid this constructor generates all the coarser grids by means of restriction.

Parameters

  levels | The number of trees in this MultiResGrid
  grid | High-resolution input grid
  useInjection | Use restriction by injection, vs full-weighting. It defaults to false and should rarely be used.

Note
  This constructor will perform a deep copy of the input grid and use it as the highest level grid.

## ◆ MultiResGrid() [3/3]

template<typename TreeType >

MultiResGrid | ( | size_t | levels,
|  | GridPtr | grid,
|  | bool | useInjection = `false`
| ) |  |

Given an initial high-resolution grid this constructor generates all the coarser grids by means of restriction.

Parameters

  levels | The number of trees in this MultiResGrid
  grid | High-resolution input grid
  useInjection | Use restriction by injection, vs full-weighting. It defaults to false and should rarely be used.

Note
  This constructor will steal the input grid and use it as the highest level grid. On output the grid is empty.

## Member Function Documentation

## ◆ beginMeta() [1/2]

MetaIterator beginMeta | ( |  | ) |
| inline inherited

## ◆ beginMeta() [2/2]

ConstMetaIterator beginMeta | ( |  | ) | const
| inline inherited

## ◆ clearGridClass()

template<typename TreeType >

void clearGridClass | ( |  | ) |
| inline

Remove the setting specifying the class of this grid's volumetric data.

## ◆ clearMetadata()

void clearMetadata | ( |  | ) |
| inline inherited

## ◆ coarsestConstTree()

template<typename TreeType >

const TreeType & coarsestConstTree | ( |  | ) | const
| inline

Return a const reference to the tree at the coarsest level.

## ◆ coarsestConstTreePtr()

template<typename TreeType >

ConstTreePtr coarsestConstTreePtr | ( |  | ) | const
| inline

Return a const shared pointer to the tree at the coarsest level.

## ◆ coarsestLevel()

template<typename TreeType >

size_t coarsestLevel | ( |  | ) | const
| inline

Return the level of the coarsest grid, i.e. numLevels()-1.

## ◆ coarsestTree()

template<typename TreeType >

TreeType & coarsestTree | ( |  | ) |
| inline

Return a reference to the tree at the coarsest level.

## ◆ coarsestTreePtr()

template<typename TreeType >

TreePtr coarsestTreePtr | ( |  | ) |
| inline

Return a shared pointer to the tree at the coarsest level.

## ◆ constTransform()

template<typename TreeType >

const math::Transform & constTransform | ( |  | ) | const
| inline

## ◆ constTree()

template<typename TreeType >

const TreeType & constTree | ( | size_t | level | ) | const
| inline

Return a const reference to the tree at the specified level.

Parameters

  level | The level of the tree to be returned

Note
  Level 0 is by definition the finest tree.

## ◆ constTreePtr()

template<typename TreeType >

TreeType::ConstPtr constTreePtr | ( | size_t | level | ) | const
| inline

Return a const shared pointer to the tree at the specified level.

Parameters

  level | The level of the tree to be returned

Note
  Level 0 is by definition the finest tree.

## ◆ copyMeta()

MetaMap::Ptr copyMeta | ( |  | ) | const
| inherited

Return a copy of this map whose fields are shared with this map.

## ◆ createGrid() [1/2]

template<typename TreeType >
template<Index Order>

Grid< TreeType >::Ptr createGrid | ( | float | level,
|  | size_t | grainSize
| ) |  | const

## ◆ createGrid() [2/2]

template<typename TreeType >
template<Index Order>

GridPtr createGrid | ( | float | level,
|  | size_t | grainSize = `1`
| ) |  | const

Return a shared pointer to a new grid at the specified floating-point level.

Parameters

  level | Floating-point level of the grid to be returned
  grainSize | Grain size for the multi-threading

Interpolation of the specified order is performed between the bracketing integer levels.

Note
  Level 0 is by definition the finest grid.

## ◆ deepCopyMeta()

MetaMap::Ptr deepCopyMeta | ( |  | ) | const
| inherited

Return a deep copy of this map that shares no data with this map.

## ◆ endMeta() [1/2]

MetaIterator endMeta | ( |  | ) |
| inline inherited

## ◆ endMeta() [2/2]

ConstMetaIterator endMeta | ( |  | ) | const
| inline inherited

## ◆ finestConstTree()

template<typename TreeType >

const TreeType & finestConstTree | ( |  | ) | const
| inline

Return a const reference to the tree at the finest level.

## ◆ finestConstTreePtr()

template<typename TreeType >

ConstTreePtr finestConstTreePtr | ( |  | ) | const
| inline

Return a const shared pointer to the tree at the finest level.

## ◆ finestLevel()

template<typename TreeType >

static size_t finestLevel | ( |  | ) |
| inline static

Return the level of the finest grid (always 0)

## ◆ finestTree()

template<typename TreeType >

TreeType & finestTree | ( |  | ) |
| inline

Return a reference to the tree at the finest level.

## ◆ finestTreePtr()

template<typename TreeType >

TreePtr finestTreePtr | ( |  | ) |
| inline

Return a shared pointer to the tree at the finest level.

## ◆ getGridClass()

template<typename TreeType >

GridClass getGridClass | ( |  | ) | const
| inline

Return the class of volumetric data (level set, fog volume, etc.) stored in this grid.

## ◆ getMetadata() [1/2]

template<typename T >

T::Ptr getMetadata | ( | const Name & | name | ) |
| inline inherited

Return a pointer to a TypedMetadata object of type `T` and with the given name. If no such field exists or if there is a type mismatch, return a null pointer.

## ◆ getMetadata() [2/2]

template<typename T >

T::ConstPtr getMetadata | ( | const Name & | name | ) | const
| inline inherited

## ◆ getName()

template<typename TreeType >

std::string getName | ( |  | ) | const
| inline

Return a string with the name of this MultiResGrid.

## ◆ grid() [1/2]

template<typename TreeType >

Grid< TreeType >::Ptr grid | ( | size_t | level | ) |

Return a shared pointer to the grid at the specified integer level.

Parameters

  level | Integer level of the grid to be returned

Note
  Level 0 is by definition the finest grid.

## ◆ grid() [2/2]

template<typename TreeType >

Grid< TreeType >::ConstPtr grid | ( | size_t | level | ) | const
| inline

Return a const shared pointer to the grid at the specified level.

Parameters

  level | The level of the grid to be returned

Note
  Level 0 is by definition the finest grid.

## ◆ grids() [1/2]

template<typename TreeType >

GridPtrVecPtr grids | ( |  | ) |

Return a shared pointer to a vector of all the base grids in this instance of the MultiResGrid.

This method is useful for I/O

## ◆ grids() [2/2]

template<typename TreeType >

GridCPtrVecPtr grids | ( |  | ) | const

Return a const shared pointer to a vector of all the base grids in this instance of the MultiResGrid.

This method is useful for I/O

## ◆ insertMeta() [1/2]

void insertMeta | ( | const MetaMap & |  | ) |
| inherited

Deep copy all of the metadata fields from the given map into this map.

Exceptions

  TypeError | if any field in the given map has the same name as but a different value type than one of this map's fields.

## ◆ insertMeta() [2/2]

void insertMeta | ( | const Name & | ,
|  | const Metadata & | value
| ) |  |
| inherited

Insert a new metadata field or overwrite the value of an existing field.

If a field with the given name doesn't already exist, add a new field. Otherwise, if the new value's type is the same as the existing field's value type, overwrite the existing value with new value.

Exceptions

  TypeError | if a field with the given name already exists, but its value type is not the same as the new value's
  ValueError | if the given field name is empty.

## ◆ metaCount()

size_t metaCount | ( |  | ) | const
| inline inherited

## ◆ metaValue() [1/2]

template<typename T >

T & metaValue | ( | const Name & | name | ) |
| inline inherited

Return a reference to the value of type `T` stored in the given metadata field.

Exceptions

  LookupError | if no field with the given name exists.
  TypeError | if the given field is not of type `T`.

## ◆ metaValue() [2/2]

template<typename T >

const T & metaValue | ( | const Name & | name | ) | const
| inline inherited

## ◆ numLevels()

template<typename TreeType >

size_t numLevels | ( |  | ) | const
| inline

Return the number of levels, i.e. trees, in this MultiResGrid.

Note
  level 0 is the finest level and numLevels()-1 is the coarsest level.

## ◆ operator!=()

bool operator!= | ( | const MetaMap & | other | ) | const
| inline inherited

Return `true` if the given map is different from this map.

## ◆ operator==()

bool operator== | ( | const MetaMap & | other | ) | const
| inherited

Return `true` if the given map is equivalent to this map.

## ◆ operator[]() [1/2]

Metadata::Ptr operator[] | ( | const Name & | name | ) |
| inline inherited

Return a pointer to the metadata with the given name. If no such field exists, return a null pointer.

## ◆ operator[]() [2/2]

Metadata::ConstPtr operator[] | ( | const Name & | name | ) | const
| inline inherited

## ◆ print()

template<typename TreeType >

void print | ( | std::ostream & | os = `std::cout`,
|  | int | verboseLevel = `1`
| ) |  | const

Output a human-readable description of this MultiResGrid.

## ◆ prolongateActiveVoxels()

template<typename TreeType >

void prolongateActiveVoxels | ( | size_t | destlevel,
|  | size_t | grainSize = `1`
| ) |  |

(coarse->fine) Populates all the active voxel values in a fine (level) tree from the coarse (level+1) tree using linear interpolation This transforms multiple values of the tree in parallel

## ◆ prolongateVoxel()

template<typename TreeType >

TreeType::ValueType prolongateVoxel | ( | const Coord & | coords,
|  | const size_t | level
| ) |  | const

Return the value at coordinate location in level tree from the coarser tree at level+1 using trilinear interpolation.

Parameters

  coords | input coords relative to the fine tree at level
  level | The fine level to receive values from the coarser level-1

Note
  Prolongation means to interpolation from coarse -> fine

## ◆ readMeta()

void readMeta | ( | std::istream & |  | ) |
| inherited

Unserialize metadata from the given stream.

## ◆ removeMeta()

void removeMeta | ( | const Name & |  | ) |
| inherited

Remove the given metadata field if it exists.

## ◆ restrictActiveVoxels()

template<typename TreeType >

void restrictActiveVoxels | ( | size_t | destlevel,
|  | size_t | grainSize = `1`
| ) |  |

(fine->coarse) Populates all the active voxel values in the coarse (level) tree from the fine (level-1) tree using trilinear interpolation. For cell-centered data, this is equivalent to an average For vertex-centered data this is equivalent to transferring the data from the fine vertex directly above the coarse vertex. This transforms multiple values of the tree in parallel

## ◆ restrictVoxel()

template<typename TreeType >

TreeType::ValueType restrictVoxel | ( | Coord | ijk,
|  | const size_t | level,
|  | bool | useInjection = `false`
| ) |  | const

Populate a coordinate location in level (coarse) tree from the level-1 (fine) tree using trilinear interpolation input coords are relative to the mTree[level] (coarse)

Note
  Restriction means remapping from fine -> coarse

## ◆ sampleValue() [1/8]

template<typename TreeType >
template<Index Order>

ValueType sampleValue | ( | const Coord & | ijk,
|  | double | level
| ) |  | const

Return the value at the specified integer coordinate position and level using interpolation of the specified order.

Parameters

  ijk | Integer coordinate position relative to the highest level (=0) grid
  level | Floating-point level from which to interpolate the value.

Non-integer values of the level will use linear-interpolation between the neighboring integer levels.

## ◆ sampleValue() [2/8]

template<typename TreeType >
template<Index Order>

TreeType::ValueType sampleValue | ( | const Coord & | ijk,
|  | double | level
| ) |  | const

## ◆ sampleValue() [3/8]

template<typename TreeType >
template<Index Order>

ValueType sampleValue | ( | const Coord & | in_ijk,
|  | size_t | in_level,
|  | size_t | out_level
| ) |  | const

Return the value at the specified coordinate position using interpolation of the specified order into the tree at the out_level.

First in_ijk is mapped from index space at in_level to out_level, and then a value is interpolated from the tree at out_level.

Parameters

  in_ijk | Index coordinate position relative to tree at in_level
  in_level | Integer level of the input coordinate in_ijk
  out_level | Integer level of the interpolated value

## ◆ sampleValue() [4/8]

template<typename TreeType >
template<Index Order>

TreeType::ValueType sampleValue | ( | const Coord & | in_ijk,
|  | size_t | in_level,
|  | size_t | out_level
| ) |  | const

## ◆ sampleValue() [5/8]

template<typename TreeType >
template<Index Order>

ValueType sampleValue | ( | const Vec3R & | in_ijk,
|  | size_t | in_level,
|  | size_t | out_level
| ) |  | const

## ◆ sampleValue() [6/8]

template<typename TreeType >
template<Index Order>

TreeType::ValueType sampleValue | ( | const Vec3R & | in_xyz,
|  | size_t | in_level,
|  | size_t | out_level
| ) |  | const

## ◆ sampleValue() [7/8]

template<typename TreeType >
template<Index Order>

ValueType sampleValue | ( | const Vec3R & | xyz,
|  | double | level
| ) |  | const

Return the value at the specified floating-point coordinate position and level using interpolation of the specified order.

Parameters

  xyz | Floating-point coordinate position relative to the highest level grid
  level | Floating-point level from which to interpolate the value.

Non-integer values of the level will use linear-interpolation between the neighboring integer levels.

## ◆ sampleValue() [8/8]

template<typename TreeType >
template<Index Order>

TreeType::ValueType sampleValue | ( | const Vec3R & | xyz,
|  | double | level
| ) |  | const

## ◆ setGridClass()

template<typename TreeType >

void setGridClass | ( | GridClass | cls | ) |
| inline

Specify the class of volumetric data (level set, fog volume, etc.) stored in this grid.

## ◆ setName()

template<typename TreeType >

void setName | ( | const std::string & | name | ) |
| inline

Set the name of this MultiResGrid.

## ◆ str()

std::string str | ( | const std::string & | indent = `""` | ) | const
| inherited

Return a string describing this metadata map. Prefix each line with indent.

## ◆ transform() [1/2]

template<typename TreeType >

math::Transform & transform | ( |  | ) |
| inline

Return a reference to the finest grid's transform, which might be shared with other grids.

Note
  Calling setTransform() on this grid invalidates all references previously returned by this method.

Warning
  The transform is relative to the finest level (=0) grid!

## ◆ transform() [2/2]

template<typename TreeType >

const math::Transform & transform | ( |  | ) | const
| inline

## ◆ tree()

template<typename TreeType >

TreeType & tree | ( | size_t | level | ) |
| inline

Return a reference to the tree at the specified level.

Parameters

  level | The level of the tree to be returned

Note
  Level 0 is by definition the finest tree.

## ◆ treePtr()

template<typename TreeType >

TreeType::Ptr treePtr | ( | size_t | level | ) |
| inline

Return a shared pointer to the tree at the specified level.

Parameters

  level | The level of the tree to be returned

Note
  Level 0 is by definition the finest tree.

## ◆ writeMeta()

void writeMeta | ( | std::ostream & |  | ) | const
| inherited

Serialize metadata to the given stream.

## ◆ xyz() [1/3]

template<typename TreeType >

Vec3R xyz | ( | const Coord & | in_ijk,
|  | size_t | in_level,
|  | size_t | out_level
| ) |  |
| static

Return the floating-point index coordinate at out_level given the index coordinate in_xyz at in_level.

## ◆ xyz() [2/3]

template<typename TreeType >

Vec3R xyz | ( | const Vec3R & | in_xyz,
|  | double | in_level,
|  | double | out_level
| ) |  |
| static

## ◆ xyz() [3/3]

template<typename TreeType >

Vec3R xyz | ( | const Vec3R & | in_xyz,
|  | size_t | in_level,
|  | size_t | out_level
| ) |  |
| static