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LeafBuffer< T, Log2Dim > Class Template Reference

Array of fixed size 23Log2Dim that stores the voxel values of a LeafNode. More...

`#include <openvdb/tree/LeafBuffer.h>`

## Public Types

using | ValueType = T
using | StorageType = ValueType
using | NodeMaskType = util::NodeMask<Log2Dim>

## Public Member Functions

| LeafBuffer ()
| Default constructor.
| LeafBuffer (const ValueType &)
| Construct a buffer populated with the specified value.
| LeafBuffer (const LeafBuffer &)
| Copy constructor.
| LeafBuffer (PartialCreate, const ValueType &)
| Construct a buffer but don't allocate memory for the full array of values.
| ~LeafBuffer ()
| Destructor.
bool | isOutOfCore () const
| Return `true` if this buffer's values have not yet been read from disk.
bool | empty () const
| Return `true` if memory for this buffer has not yet been allocated.
bool | allocate ()
| Allocate memory for this buffer if it has not already been allocated.
void | fill (const ValueType &)
| Populate this buffer with a constant value.
const ValueType & | getValue (Index i) const
| Return a const reference to the i'th element of this buffer.
const ValueType & | operator[] (Index i) const
| Return a const reference to the i'th element of this buffer.
void | setValue (Index i, const ValueType &)
| Set the i'th value of this buffer to the specified value.
LeafBuffer & | operator= (const LeafBuffer &)
| Copy the other buffer's values into this buffer.
bool | operator== (const LeafBuffer &) const
| Return `true` if the contents of the other buffer exactly equal the contents of this buffer.
bool | operator!= (const LeafBuffer &other) const
| Return `true` if the contents of the other buffer are not exactly equal to the contents of this buffer.
void | swap (LeafBuffer &)
| Exchange this buffer's values with the other buffer's values.
Index | memUsage () const
| Return the memory footprint of this buffer in bytes.
Index | memUsageIfLoaded () const
const ValueType * | data () const
| Return a const pointer to the array of voxel values.
ValueType * | data ()
| Return a pointer to the array of voxel values.

## Static Public Member Functions

static Index | size ()
| Return the number of values contained in this buffer.

## Static Public Attributes

static const Index | SIZE = 1 << 3 * Log2Dim

## Friends

class | ::TestLeaf
template<typename, Index>
class | LeafNode

## Detailed Description

template<typename T, Index Log2Dim>
class openvdb::v10_0::tree::LeafBuffer< T, Log2Dim >

Array of fixed size 23Log2Dim that stores the voxel values of a LeafNode.

## Member Typedef Documentation

## NodeMaskType

template<typename T, Index Log2Dim>

using NodeMaskType = util::NodeMask<Log2Dim>

## StorageType

template<typename T, Index Log2Dim>

using StorageType = ValueType

## ValueType

template<typename T, Index Log2Dim>

using ValueType = T

## Constructor & Destructor Documentation

## LeafBuffer() [1/4]

template<typename T, Index Log2Dim>

LeafBuffer | ( |  | ) |

inline

Default constructor.

## LeafBuffer() [2/4]

template<typename T, Index Log2Dim>

LeafBuffer | ( | const ValueType & | val | ) |

inline explicit

Construct a buffer populated with the specified value.

## LeafBuffer() [3/4]

template<typename T, Index Log2Dim>

LeafBuffer | ( | const LeafBuffer< T, Log2Dim > & | other | ) |

inline

Copy constructor.

## LeafBuffer() [4/4]

template<typename T, Index Log2Dim>

LeafBuffer | ( | PartialCreate | ,
|  | const ValueType & | )

inline

Construct a buffer but don't allocate memory for the full array of values.

## ~LeafBuffer()

template<typename T, Index Log2Dim>

~LeafBuffer | ( |  | ) |

inline

Destructor.

## Member Function Documentation

## allocate()

template<typename T, Index Log2Dim>

bool allocate | ( |  | ) |

inline

Allocate memory for this buffer if it has not already been allocated.

## data() [1/2]

template<typename T, Index Log2Dim>

LeafBuffer< T, Log2Dim >::ValueType * data | ( |  | ) |

inline

Return a pointer to the array of voxel values.

This method guarantees that the buffer is allocated and loaded.

Warning
  This method should only be used by experts seeking low-level optimizations.

## data() [2/2]

template<typename T, Index Log2Dim>

const LeafBuffer< T, Log2Dim >::ValueType * data | ( |  | ) | const

inline

Return a const pointer to the array of voxel values.

This method guarantees that the buffer is allocated and loaded.

Warning
  This method should only be used by experts seeking low-level optimizations.

## empty()

template<typename T, Index Log2Dim>

bool empty | ( |  | ) | const

inline

Return `true` if memory for this buffer has not yet been allocated.

## fill()

template<typename T, Index Log2Dim>

void fill | ( | const ValueType & | val | ) |

inline

Populate this buffer with a constant value.

## getValue()

template<typename T, Index Log2Dim>

const ValueType & getValue | ( | Index | i | ) | const

inline

Return a const reference to the i'th element of this buffer.

## isOutOfCore()

template<typename T, Index Log2Dim>

bool isOutOfCore | ( |  | ) | const

inline

Return `true` if this buffer's values have not yet been read from disk.

## memUsage()

template<typename T, Index Log2Dim>

Index memUsage | ( |  | ) | const

inline

Return the memory footprint of this buffer in bytes.

## memUsageIfLoaded()

template<typename T, Index Log2Dim>

Index memUsageIfLoaded | ( |  | ) | const

inline

## operator!=()

template<typename T, Index Log2Dim>

bool operator!= | ( | const LeafBuffer< T, Log2Dim > & | other | ) | const

inline

Return `true` if the contents of the other buffer are not exactly equal to the contents of this buffer.

## operator=()

template<typename T, Index Log2Dim>

LeafBuffer< T, Log2Dim > & operator= | ( | const LeafBuffer< T, Log2Dim > & | other | ) |

inline

Copy the other buffer's values into this buffer.

## operator==()

template<typename T, Index Log2Dim>

bool operator== | ( | const LeafBuffer< T, Log2Dim > & | other | ) | const

inline

Return `true` if the contents of the other buffer exactly equal the contents of this buffer.

## operator[]()

template<typename T, Index Log2Dim>

const ValueType & operator[] | ( | Index | i | ) | const

inline

Return a const reference to the i'th element of this buffer.

## setValue()

template<typename T, Index Log2Dim>

void setValue | ( | Index | i,
|  | const ValueType & | val )

inline

Set the i'th value of this buffer to the specified value.

## size()

template<typename T, Index Log2Dim>

Index size | ( |  | ) |

inline static

Return the number of values contained in this buffer.

## swap()

template<typename T, Index Log2Dim>

void swap | ( | LeafBuffer< T, Log2Dim > & | other | ) |

inline

Exchange this buffer's values with the other buffer's values.

## Friends And Related Symbol Documentation

## ::TestLeaf

template<typename T, Index Log2Dim>

friend class ::TestLeaf

friend

## LeafNode

template<typename T, Index Log2Dim>
template<typename, Index>

friend class LeafNode

friend

## Member Data Documentation

## SIZE

template<typename T, Index Log2Dim>

const Index SIZE = 1 << 3 * Log2Dim

static