Bit mask for the internal and leaf nodes of VDB. This is a 64-bit implementation. More...

#include <openvdb/util/NodeMasks.h>

Public Types
using	Word = Index64

using	OnIterator = OnMaskIterator< NodeMask >

using	OffIterator = OffMaskIterator< NodeMask >

using	DenseIterator = DenseMaskIterator< NodeMask >

Public Member Functions
	NodeMask ()
	Default constructor sets all bits off. More...

	NodeMask (bool on)
	All bits are set to the specified state. More...

	NodeMask (const NodeMask &other)
	Copy constructor. More...

	~NodeMask ()
	Destructor. More...

NodeMask &	operator= (const NodeMask &other)
	Assignment operator. More...

OnIterator	beginOn () const

OnIterator	endOn () const

OffIterator	beginOff () const

OffIterator	endOff () const

DenseIterator	beginDense () const

DenseIterator	endDense () const

bool	operator== (const NodeMask &other) const

bool	operator!= (const NodeMask &other) const

template<typename WordOp >
const NodeMask &	foreach (const NodeMask &other, const WordOp &op)
	Apply a functor to the words of the this and the other mask. More...

template<typename WordOp >
const NodeMask &	foreach (const NodeMask &other1, const NodeMask &other2, const WordOp &op)

template<typename WordOp >
const NodeMask &	foreach (const NodeMask &other1, const NodeMask &other2, const NodeMask &other3, const WordOp &op)

const NodeMask &	operator&= (const NodeMask &other)
	Bitwise intersection. More...

const NodeMask &	operator\|= (const NodeMask &other)
	Bitwise union. More...

const NodeMask &	operator-= (const NodeMask &other)
	Bitwise difference. More...

const NodeMask &	operator^= (const NodeMask &other)
	Bitwise XOR. More...

NodeMask	operator! () const

NodeMask	operator& (const NodeMask &other) const

NodeMask	operator\| (const NodeMask &other) const

NodeMask	operator^ (const NodeMask &other) const

Index32	countOn () const
	Return the total number of on bits. More...

Index32	countOff () const
	Return the total number of on bits. More...

void	setOn (Index32 n)
	Set the nth bit on. More...

void	setOff (Index32 n)
	Set the nth bit off. More...

void	set (Index32 n, bool On)
	Set the nth bit to the specified state. More...

void	set (bool on)
	Set all bits to the specified state. More...

void	setOn ()
	Set all bits on. More...

void	setOff ()
	Set all bits off. More...

void	toggle (Index32 n)
	Toggle the state of the nth bit. More...

void	toggle ()
	Toggle the state of all bits in the mask. More...

void	setFirstOn ()
	Set the first bit on. More...

void	setLastOn ()
	Set the last bit on. More...

void	setFirstOff ()
	Set the first bit off. More...

void	setLastOff ()
	Set the last bit off. More...

bool	isOn (Index32 n) const
	Return `true` if the nth bit is on. More...

bool	isOff (Index32 n) const
	Return `true` if the nth bit is off. More...

bool	isOn () const
	Return `true` if all the bits are on. More...

bool	isOff () const
	Return `true` if all the bits are off. More...

bool	isConstant (bool &isOn) const

Index32	findFirstOn () const

Index32	findFirstOff () const

void	save (std::ostream &os) const

void	load (std::istream &is)

void	seek (std::istream &is) const

void	printInfo (std::ostream &os=std::cout) const
	simple print method for debugging More...

void	printBits (std::ostream &os=std::cout, Index32 max_out=80u) const

void	printAll (std::ostream &os=std::cout, Index32 max_out=80u) const

Index32	findNextOn (Index32 start) const

Index32	findNextOff (Index32 start) const


template<typename WordT >
WordT	getWord (Index n) const
	Return the nth word of the bit mask, for a word of arbitrary size. More...

template<typename WordT >
WordT &	getWord (Index n)
	Return the nth word of the bit mask, for a word of arbitrary size. More...

Static Public Member Functions
static Index32	memUsage ()
	Return the byte size of this NodeMask. More...

Static Public Attributes
static const Index32	LOG2DIM = Log2Dim

static const Index32	DIM = 1<<Log2Dim

static const Index32	SIZE = 1<<3*Log2Dim

static const Index32	WORD_COUNT = SIZE >> 6

Detailed Description

template<Index Log2Dim>
class openvdb::v9_0::util::NodeMask< Log2Dim >

Bit mask for the internal and leaf nodes of VDB. This is a 64-bit implementation.

Note: A template specialization for Log2Dim=1 and Log2Dim=2 are given below.

Member Typedef Documentation

using DenseIterator = DenseMaskIterator<NodeMask>

using OffIterator = OffMaskIterator<NodeMask>

using OnIterator = OnMaskIterator<NodeMask>

using Word = Index64

Constructor & Destructor Documentation

NodeMask ( )

inline

Default constructor sets all bits off.

NodeMask ( bool on )

inline

All bits are set to the specified state.

NodeMask ( const NodeMask< Log2Dim > & other )

inline

Copy constructor.

~NodeMask ( )

inline

Destructor.

Member Function Documentation

DenseIterator beginDense ( ) const

inline

OffIterator beginOff ( ) const

inline

OnIterator beginOn ( ) const

inline

Index32 countOff ( ) const

inline

Return the total number of on bits.

Index32 countOn ( ) const

inline

Return the total number of on bits.

DenseIterator endDense ( ) const

inline

OffIterator endOff ( ) const

inline

OnIterator endOn ( ) const

inline

Index32 findFirstOff ( ) const

inline

Index32 findFirstOn ( ) const

inline

Index32 findNextOff ( Index32 start ) const

inline

Index32 findNextOn ( Index32 start ) const

inline

const NodeMask& foreach	(	const NodeMask< Log2Dim > &	other,
		const WordOp &	op
	)

inline

Apply a functor to the words of the this and the other mask.

An example that implements the "operator&=" method:

struct Op { inline void operator()(W &w1, const W& w2) const { w1 &= w2; } };

const NodeMask& foreach	(	const NodeMask< Log2Dim > &	other1,
		const NodeMask< Log2Dim > &	other2,
		const WordOp &	op
	)

inline

const NodeMask& foreach	(	const NodeMask< Log2Dim > &	other1,
		const NodeMask< Log2Dim > &	other2,
		const NodeMask< Log2Dim > &	other3,
		const WordOp &	op
	)

inline

WordT getWord ( Index n ) const

inline

Return the nth word of the bit mask, for a word of arbitrary size.

WordT& getWord ( Index n )

inline

Return the nth word of the bit mask, for a word of arbitrary size.

bool isConstant ( bool & isOn ) const

inline

Return true if bits are either all off OR all on.

Parameters

isOn	Takes on the values of all bits if the method returns true - else it is undefined.

bool isOff ( Index32 n ) const

inline

Return true if the nth bit is off.

bool isOff ( ) const

inline

Return true if all the bits are off.

bool isOn ( Index32 n ) const

inline

Return true if the nth bit is on.

bool isOn ( ) const

inline

Return true if all the bits are on.

void load ( std::istream & is )

inline

static Index32 memUsage ( )

inlinestatic

Return the byte size of this NodeMask.

NodeMask operator! ( ) const

inline

bool operator!= ( const NodeMask< Log2Dim > & other ) const

inline

NodeMask operator& ( const NodeMask< Log2Dim > & other ) const

inline

const NodeMask& operator&= ( const NodeMask< Log2Dim > & other )

inline

Bitwise intersection.

const NodeMask& operator-= ( const NodeMask< Log2Dim > & other )

inline

Bitwise difference.

NodeMask& operator= ( const NodeMask< Log2Dim > & other )

inline

Assignment operator.

bool operator== ( const NodeMask< Log2Dim > & other ) const

inline

NodeMask operator^ ( const NodeMask< Log2Dim > & other ) const

inline

const NodeMask& operator^= ( const NodeMask< Log2Dim > & other )

inline

Bitwise XOR.

NodeMask operator| ( const NodeMask< Log2Dim > & other ) const

inline

const NodeMask& operator|= ( const NodeMask< Log2Dim > & other )

inline

Bitwise union.

void printAll	(	std::ostream &	os = `std::cout`,
		Index32	max_out = `80u`
	)		const

inline

void printBits	(	std::ostream &	os = `std::cout`,
		Index32	max_out = `80u`
	)		const

inline

void printInfo ( std::ostream & os = std::cout ) const

inline

simple print method for debugging

void save ( std::ostream & os ) const

inline

void seek ( std::istream & is ) const

inline

void set	(	Index32	n,
		bool	On
	)

inline

Set the nth bit to the specified state.

void set ( bool on )

inline

Set all bits to the specified state.

void setFirstOff ( )

inline

Set the first bit off.

void setFirstOn ( )

inline

Set the first bit on.

void setLastOff ( )

inline

Set the last bit off.

void setLastOn ( )

inline

Set the last bit on.

void setOff ( Index32 n )

inline

Set the nth bit off.

void setOff ( )

inline

Set all bits off.

void setOn ( Index32 n )

inline

Set the nth bit on.

void setOn ( )

inline

Set all bits on.

void toggle ( Index32 n )

inline

Toggle the state of the nth bit.

void toggle ( )

inline

Toggle the state of all bits in the mask.

Member Data Documentation

const Index32 DIM = 1<<Log2Dim

static

const Index32 LOG2DIM = Log2Dim

static

const Index32 SIZE = 1<<3*Log2Dim

static

const Index32 WORD_COUNT = SIZE >> 6

static

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Detailed Description

template<Index Log2Dim> class openvdb::v9_0::util::NodeMask< Log2Dim >

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

template<Index Log2Dim>
class openvdb::v9_0::util::NodeMask< Log2Dim >