PointAccessor< AttT > Class Template Reference

Class to access points at a specific voxel location. More...

#include <nanovdb/NanoVDB.h>

Inherits ReadAccessor< BuildT, 0, 1, 2 >.

Public Types
using	LeafNodeType = typename NanoRoot< uint32_t >::LeafNodeType
using	ValueType = ValueT
using	CoordType = CoordT
using	NodeInfo = typename ReadAccessor< ValueT,-1,-1,-1 >::NodeInfo

Public Member Functions
	PointAccessor (const UInt32Grid &grid)
uint64_t	gridPoints (const AttT *&begin, const AttT *&end) const
	Return the total number of point in the grid and set the iterators to the complete range of points. More...
uint64_t	leafPoints (const Coord &ijk, const AttT *&begin, const AttT *&end) const
	Return the number of points in the leaf node containing the coordinate ijk. If this return value is larger than zero then the iterators begin and end will point to all the attributes contained within that leaf node. More...
uint64_t	voxelPoints (const Coord &ijk, const AttT *&begin, const AttT *&end) const
	get iterators over offsets to points at a specific voxel location More...
const RootT &	root () const
template<typename NodeT >
const NodeT *	getNode () const
	Return a const point to the cached node of the specified type. More...
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. More...
template<typename NodeT >
bool	isCached (const CoordType &ijk) const
ValueType	getValue (const CoordType &ijk) const
ValueType	operator() (const CoordType &ijk) const
ValueType	operator() (int i, int j, int k) const
NodeInfo	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 RayT >
uint32_t	getDim (const CoordType &ijk, const RayT &ray) const

Static Public Attributes
static const int	CacheLevels = 3

Detailed Description

template<typename AttT>
class nanovdb::PointAccessor< AttT >

Class to access points at a specific voxel location.

Member Typedef Documentation

using CoordType = CoordT

inherited

using LeafNodeType = typename NanoRoot<uint32_t>::LeafNodeType

using NodeInfo = typename ReadAccessor<ValueT, -1, -1, -1>::NodeInfo

inherited

using ValueType = ValueT

inherited

Constructor & Destructor Documentation

PointAccessor ( const UInt32Grid &  grid )

inline

Member Function Documentation

void clear ( )

inlineinherited

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

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

inlineinherited

const NodeT* getNode ( ) const

inlineinherited

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

Warning

The return value could be NULL.

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

inlineinherited

NodeInfo getNodeInfo ( const CoordType &  ijk ) const

inlineinherited

ValueType getValue ( const CoordType &  ijk ) const

inlineinherited

uint64_t gridPoints ( const AttT *&  begin, const AttT *&  end  ) const

inline

Return the total number of point in the grid and set the iterators to the complete range of points.

bool isActive ( const CoordType &  ijk ) const

inlineinherited

bool isCached ( const CoordType &  ijk ) const

inlineinherited

uint64_t leafPoints ( const Coord &  ijk, const AttT *&  begin, const AttT *&  end  ) const

inline

Return the number of points in the leaf node containing the coordinate ijk. If this return value is larger than zero then the iterators begin and end will point to all the attributes contained within that leaf node.

ValueType operator() ( const CoordType &  ijk ) const

inlineinherited

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

inlineinherited

const LeafT* probeLeaf ( const CoordType &  ijk ) const

inlineinherited

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

inlineinherited

const RootT& root ( ) const

inlineinherited

uint64_t voxelPoints ( const Coord &  ijk, const AttT *&  begin, const AttT *&  end  ) const

inline

get iterators over offsets to points at a specific voxel location

Member Data Documentation

const int CacheLevels = 3

staticinherited