Accelerated range and nearest-neighbor searches for point index grids. More...

#include <openvdb/tools/PointIndexGrid.h>

Public Types
using	ConstAccessor = tree::ValueAccessor< const TreeType >

using	LeafNodeType = typename TreeType::LeafNodeType

using	ValueType = typename TreeType::ValueType

Public Member Functions
	PointIndexIterator ()

	PointIndexIterator (const PointIndexIterator &rhs)

PointIndexIterator &	operator= (const PointIndexIterator &rhs)

	PointIndexIterator (const Coord &ijk, ConstAccessor &acc)
	Construct an iterator over the indices of the points contained in voxel (i, j, k). More...

	PointIndexIterator (const CoordBBox &bbox, ConstAccessor &acc)
	Construct an iterator over the indices of the points contained in the given bounding box. More...

void	searchAndUpdate (const Coord &ijk, ConstAccessor &acc)
	Clear the iterator and update it with the result of the given voxel query. More...

void	searchAndUpdate (const CoordBBox &bbox, ConstAccessor &acc)
	Clear the iterator and update it with the result of the given voxel region query. More...

template<typename PointArray >
void	searchAndUpdate (const BBoxd &bbox, ConstAccessor &acc, const PointArray &points, const math::Transform &xform)
	Clear the iterator and update it with the result of the given index-space bounding box query. More...

template<typename PointArray >
void	searchAndUpdate (const Vec3d &center, double radius, ConstAccessor &acc, const PointArray &points, const math::Transform &xform, bool subvoxelAccuracy=true)
	Clear the iterator and update it with the result of the given index-space radial query. More...

template<typename PointArray >
void	worldSpaceSearchAndUpdate (const BBoxd &bbox, ConstAccessor &acc, const PointArray &points, const math::Transform &xform)
	Clear the iterator and update it with the result of the given world-space bounding box query. More...

template<typename PointArray >
void	worldSpaceSearchAndUpdate (const Vec3d &center, double radius, ConstAccessor &acc, const PointArray &points, const math::Transform &xform, bool subvoxelAccuracy=true)
	Clear the iterator and update it with the result of the given world-space radial query. More...

void	reset ()
	Reset the iterator to point to the first item. More...

const ValueType &	operator* () const
	Return a const reference to the item to which this iterator is pointing. More...

void	increment ()
	Advance iterator to next item. More...

void	operator++ ()
	Advance iterator to next item. More...

bool	next ()
	Advance iterator to next item. More...

size_t	size () const
	Return the number of point indices in the iterator range. More...

bool	operator== (const PointIndexIterator &p) const
	Return `true` if both iterators point to the same element. More...

bool	operator!= (const PointIndexIterator &p) const


bool	test () const
	Return `true` if this iterator is not yet exhausted. More...

	operator bool () const
	Return `true` if this iterator is not yet exhausted. More...

Detailed Description

template<typename TreeType = PointIndexTree>
struct openvdb::v13_0::tools::PointIndexIterator< TreeType >

Accelerated range and nearest-neighbor searches for point index grids.

Member Typedef Documentation

using ConstAccessor = tree::ValueAccessor<const TreeType>

using LeafNodeType = typename TreeType::LeafNodeType

using ValueType = typename TreeType::ValueType

Constructor & Destructor Documentation

PointIndexIterator ( )

inline

PointIndexIterator ( const PointIndexIterator< TreeType > & rhs )

inline

PointIndexIterator	(	const Coord &	ijk,
		ConstAccessor &	acc
	)

inline

Construct an iterator over the indices of the points contained in voxel (i, j, k).

Parameters

ijk	the voxel containing the points over which to iterate
acc	an accessor for the grid or tree that holds the point indices

PointIndexIterator	(	const CoordBBox &	bbox,
		ConstAccessor &	acc
	)

inline

Construct an iterator over the indices of the points contained in the given bounding box.

Parameters

bbox	the bounding box of the voxels containing the points over which to iterate
acc	an accessor for the grid or tree that holds the point indices

Note: The range of the bbox is inclusive. Thus, a bounding box with min = max is not empty but rather encloses a single voxel.

Member Function Documentation

void increment ( )

inline

Advance iterator to next item.

bool next ( )

inline

Advance iterator to next item.

Returns: true if this iterator is not yet exhausted.

operator bool ( ) const

inline

Return true if this iterator is not yet exhausted.

bool operator!= ( const PointIndexIterator< TreeType > & p ) const

inline

const ValueType& operator* ( ) const

inline

Return a const reference to the item to which this iterator is pointing.

void operator++ ( )

inline

Advance iterator to next item.

PointIndexIterator< TreeType > & operator= ( const PointIndexIterator< TreeType > & rhs )

inline

bool operator== ( const PointIndexIterator< TreeType > & p ) const

inline

Return true if both iterators point to the same element.

void reset ( )

inline

Reset the iterator to point to the first item.

void searchAndUpdate	(	const Coord &	ijk,
		ConstAccessor &	acc
	)

inline

Clear the iterator and update it with the result of the given voxel query.

Parameters

ijk	the voxel containing the points over which to iterate
acc	an accessor for the grid or tree that holds the point indices

void searchAndUpdate	(	const CoordBBox &	bbox,
		ConstAccessor &	acc
	)

inline

Clear the iterator and update it with the result of the given voxel region query.

Parameters

bbox	the bounding box of the voxels containing the points over which to iterate
acc	an accessor for the grid or tree that holds the point indices

Note: The range of the bbox is inclusive. Thus, a bounding box with min = max is not empty but rather encloses a single voxel.

void searchAndUpdate	(	const BBoxd &	bbox,
		ConstAccessor &	acc,
		const PointArray &	points,
		const math::Transform &	xform
	)

inline

Clear the iterator and update it with the result of the given index-space bounding box query.

Parameters

bbox	index-space bounding box
acc	an accessor for the grid or tree that holds the point indices
points	world-space point array conforming to the PointArray interface
xform	linear, uniform-scale transform (i.e., cubical voxels)

void searchAndUpdate	(	const Vec3d &	center,
		double	radius,
		ConstAccessor &	acc,
		const PointArray &	points,
		const math::Transform &	xform,
		bool	subvoxelAccuracy = `true`
	)

inline

Clear the iterator and update it with the result of the given index-space radial query.

Parameters

center	index-space center
radius	index-space radius
acc	an accessor for the grid or tree that holds the point indices
points	world-space point array conforming to the PointArray interface
xform	linear, uniform-scale transform (i.e., cubical voxels)
subvoxelAccuracy	if true, check individual points against the search region, otherwise return all points that reside in voxels that are inside or intersect the search region

size_t size ( ) const

inline

Return the number of point indices in the iterator range.

bool test ( ) const

inline

Return true if this iterator is not yet exhausted.

void worldSpaceSearchAndUpdate	(	const BBoxd &	bbox,
		ConstAccessor &	acc,
		const PointArray &	points,
		const math::Transform &	xform
	)

inline

Clear the iterator and update it with the result of the given world-space bounding box query.

Parameters

bbox	world-space bounding box
acc	an accessor for the grid or tree that holds the point indices
points	world-space point array conforming to the PointArray interface
xform	linear, uniform-scale transform (i.e., cubical voxels)

void worldSpaceSearchAndUpdate	(	const Vec3d &	center,
		double	radius,
		ConstAccessor &	acc,
		const PointArray &	points,
		const math::Transform &	xform,
		bool	subvoxelAccuracy = `true`
	)

inline

Clear the iterator and update it with the result of the given world-space radial query.

Parameters

center	world-space center
radius	world-space radius
acc	an accessor for the grid or tree that holds the point indices
points	world-space point array conforming to the PointArray interface
xform	linear, uniform-scale transform (i.e., cubical voxels)
subvoxelAccuracy	if true, check individual points against the search region, otherwise return all points that reside in voxels that are inside or intersect the search region

Public Types

Public Member Functions

Detailed Description

template<typename TreeType = PointIndexTree> struct openvdb::v13_0::tools::PointIndexIterator< TreeType >

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

template<typename TreeType = PointIndexTree>
struct openvdb::v13_0::tools::PointIndexIterator< TreeType >