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ReadAccessor< BuildT, 0, 1, 2 > Class Template Reference

Node caching at all (three) tree levels. More...

`#include <nanovdb/NanoVDB.h>`

Inheritance diagram for ReadAccessor< BuildT, 0, 1, 2 >:

## Public Types

using | BuildType = BuildT
using | ValueType = ValueT
using | CoordType = CoordT

## Public Member Functions

| ReadAccessor (const RootT &root)
| Constructor from a root node.
| ReadAccessor (const GridT &grid)
| Constructor from a grid.
| ReadAccessor (const TreeT &tree)
| Constructor from a tree.
const RootT & | root () const
| ReadAccessor (const ReadAccessor &)=default
| Defaults constructors.
| ~ReadAccessor ()=default
ReadAccessor & | operator= (const ReadAccessor &)=default
template<typename NodeT >
const NodeT * | getNode () const
| Return a const point to the cached node of the specified type.
template<int LEVEL>
const NodeTrait< TreeT, LEVEL >::type * | getNode () const
void | clear ()
| Reset this access to its initial state, i.e. with an empty cache.
template<typename NodeT >
bool | isCached (const CoordType &ijk) const
ValueType | getValue (const CoordType &ijk) const
ValueType | getValue (int i, int j, int k) const
ValueType | operator() (const CoordType &ijk) const
ValueType | operator() (int i, int j, int k) const
auto | getNodeInfo (const CoordType &ijk) const
bool | isActive (const CoordType &ijk) const
bool | probeValue (const CoordType &ijk, ValueType &v) const
const LeafT * | probeLeaf (const CoordType &ijk) const
template<typename OpT , typename... ArgsT>
auto | get (const CoordType &ijk, ArgsT &&... args) const
template<typename OpT , typename... ArgsT>
auto | set (const CoordType &ijk, ArgsT &&... args) const
template<typename RayT >
uint32_t | getDim (const CoordType &ijk, const RayT &ray) const

## Static Public Attributes

static const int | CacheLevels = 3

## Friends

template<typename >
class | RootNode
| Allow nodes to insert themselves into the cache.
template<typename , uint32_t >
class | InternalNode
template<typename , typename , template< uint32_t > class, uint32_t >
class | LeafNode

## Detailed Description

template<typename BuildT>
class nanovdb::ReadAccessor< BuildT, 0, 1, 2 >

Node caching at all (three) tree levels.

## Member Typedef Documentation

## BuildType

template<typename BuildT >

using BuildType = BuildT

## CoordType

template<typename BuildT >

using CoordType = CoordT

## ValueType

template<typename BuildT >

using ValueType = ValueT

## Constructor & Destructor Documentation

## ReadAccessor() [1/4]

template<typename BuildT >

ReadAccessor | ( | const RootT & | root | ) |

inline

Constructor from a root node.

## ReadAccessor() [2/4]

template<typename BuildT >

ReadAccessor | ( | const GridT & | grid | ) |

inline

Constructor from a grid.

## ReadAccessor() [3/4]

template<typename BuildT >

ReadAccessor | ( | const TreeT & | tree | ) |

inline

Constructor from a tree.

## ReadAccessor() [4/4]

template<typename BuildT >

ReadAccessor | ( | const ReadAccessor< BuildT, 0, 1, 2 > & |  | ) |

default

Defaults constructors.

## ~ReadAccessor()

template<typename BuildT >

~ReadAccessor | ( |  | ) |

default

## Member Function Documentation

## clear()

template<typename BuildT >

void clear | ( |  | ) |

inline

Reset this access to its initial state, i.e. with an empty cache.

## get()

template<typename BuildT >
template<typename OpT , typename... ArgsT>

auto get | ( | const CoordType & | ijk,
|  | ArgsT &&... | args
| ) |  | const

inline

## getDim()

template<typename BuildT >
template<typename RayT >

uint32_t getDim | ( | const CoordType & | ijk,
|  | const RayT & | ray
| ) |  | const

inline

## getNode() [1/2]

template<typename BuildT >
template<typename NodeT >

const NodeT * getNode | ( |  | ) | const

inline

Return a const point to the cached node of the specified type.

Warning
  The return value could be NULL.

## getNode() [2/2]

template<typename BuildT >
template<int LEVEL>

const NodeTrait< TreeT, LEVEL >::type * getNode | ( |  | ) | const

inline

## getNodeInfo()

template<typename BuildT >

auto getNodeInfo | ( | const CoordType & | ijk | ) | const

inline

## getValue() [1/2]

template<typename BuildT >

ValueType getValue | ( | const CoordType & | ijk | ) | const

inline

## getValue() [2/2]

template<typename BuildT >

ValueType getValue | ( | int | i,
|  | int | j,
|  | int | k
| ) |  | const

inline

## isActive()

template<typename BuildT >

bool isActive | ( | const CoordType & | ijk | ) | const

inline

## isCached()

template<typename BuildT >
template<typename NodeT >

bool isCached | ( | const CoordType & | ijk | ) | const

inline

## operator()() [1/2]

template<typename BuildT >

ValueType operator() | ( | const CoordType & | ijk | ) | const

inline

## operator()() [2/2]

template<typename BuildT >

ValueType operator() | ( | int | i,
|  | int | j,
|  | int | k
| ) |  | const

inline

## operator=()

template<typename BuildT >

ReadAccessor & operator= | ( | const ReadAccessor< BuildT, 0, 1, 2 > & |  | ) |

default

## probeLeaf()

template<typename BuildT >

const LeafT * probeLeaf | ( | const CoordType & | ijk | ) | const

inline

## probeValue()

template<typename BuildT >

bool probeValue | ( | const CoordType & | ijk,
|  | ValueType & | v
| ) |  | const

inline

## root()

template<typename BuildT >

const RootT & root | ( |  | ) | const

inline

## set()

template<typename BuildT >
template<typename OpT , typename... ArgsT>

auto set | ( | const CoordType & | ijk,
|  | ArgsT &&... | args
| ) |  | const

inline

## Friends And Related Symbol Documentation

## InternalNode

template<typename BuildT >
template<typename , uint32_t >

friend class InternalNode

friend

## LeafNode

template<typename BuildT >
template<typename , typename , template< uint32_t > class, uint32_t >

friend class LeafNode

friend

## RootNode

template<typename BuildT >
template<typename >

friend class RootNode

friend

Allow nodes to insert themselves into the cache.

## Member Data Documentation

## CacheLevels

template<typename BuildT >

const int CacheLevels = 3

static