NodeManager< BuildT > Class Template Reference

NodeManager allows for sequential access to nodes. More...

#include <nanovdb/NodeManager.h>

Inherits NodeManagerData.

Public Member Functions
	NodeManager (const NodeManager &)=delete
	NodeManager (NodeManager &&)=delete
NodeManager &	operator= (const NodeManager &)=delete
NodeManager &	operator= (NodeManager &&)=delete
	~NodeManager ()=delete
__hostdev__ bool	isLinear () const
	return true if the nodes have both fixed size and are arranged breadth-first in memory. This allows for direct and memory-efficient linear access to nodes. More...
__hostdev__ uint64_t	memUsage () const
	Return the memory footprint in bytes of this instance. More...
__hostdev__ GridT &	grid ()
	Return a reference to the grid. More...
__hostdev__ const GridT &	grid () const
__hostdev__ TreeT &	tree ()
	Return a reference to the tree. More...
__hostdev__ const TreeT &	tree () const
__hostdev__ RootT &	root ()
	Return a reference to the root. More...
__hostdev__ const RootT &	root () const
__hostdev__ uint64_t	nodeCount (int level) const
	Return the number of tree nodes at the specified level. More...
__hostdev__ uint64_t	leafCount () const
__hostdev__ uint64_t	lowerCount () const
__hostdev__ uint64_t	upperCount () const
template<int LEVEL>
__hostdev__ const NodeT< LEVEL > &	node (uint32_t i) const
	Return the i'th leaf node with respect to breadth-first ordering. More...
template<int LEVEL>
__hostdev__ NodeT< LEVEL > &	node (uint32_t i)
	Return the i'th node with respect to breadth-first ordering. More...
__hostdev__ const Node0 &	leaf (uint32_t i) const
	Return the i'th leaf node with respect to breadth-first ordering. More...
__hostdev__ Node0 &	leaf (uint32_t i)
__hostdev__ const Node1 &	lower (uint32_t i) const
	Return the i'th lower internal node with respect to breadth-first ordering. More...
__hostdev__ Node1 &	lower (uint32_t i)
__hostdev__ const Node2 &	upper (uint32_t i) const
	Return the i'th upper internal node with respect to breadth-first ordering. More...
__hostdev__ Node2 &	upper (uint32_t i)

Static Public Member Functions
static __hostdev__ bool	isLinear (const GridT &grid)
	return true if the nodes have both fixed size and are arranged breadth-first in memory. This allows for direct and memory-efficient linear access to nodes. More...
static __hostdev__ uint64_t	memUsage (const GridT &grid)
	Return the memory footprint in bytes of the NodeManager derived from the specified grid. More...

Static Public Attributes
static constexpr bool	FIXED_SIZE = Node0::FIXED_SIZE && Node1::FIXED_SIZE && Node2::FIXED_SIZE

Private Attributes
uint64_t	mMagic
union {
int64_t   mPadding
uint8_t   mLinear
};
void *	mGrid
union {
int64_t *   mPtr [3]
int64_t   mOff [3]
};

Detailed Description

template<typename BuildT>
class nanovdb::NodeManager< BuildT >

NodeManager allows for sequential access to nodes.

This class allows for sequential access to nodes in a NanoVDB tree.

Nodes are always arranged breadth first during sequential access of nodes at a particular level.

Constructor & Destructor Documentation

NodeManager ( const NodeManager< BuildT > &  )

delete

NodeManager ( NodeManager< BuildT > &&  )

delete

~NodeManager ( )

delete

Member Function Documentation

__hostdev__ GridT& grid ( )

inline

Return a reference to the grid.

__hostdev__ const GridT& grid ( ) const

inline

static __hostdev__ bool isLinear ( const GridT &  grid )

inlinestatic

return true if the nodes have both fixed size and are arranged breadth-first in memory. This allows for direct and memory-efficient linear access to nodes.

__hostdev__ bool isLinear ( ) const

inline

return true if the nodes have both fixed size and are arranged breadth-first in memory. This allows for direct and memory-efficient linear access to nodes.

__hostdev__ const Node0& leaf ( uint32_t  i ) const

inline

Return the i'th leaf node with respect to breadth-first ordering.

__hostdev__ Node0& leaf ( uint32_t  i )

inline

__hostdev__ uint64_t leafCount ( ) const

inline

__hostdev__ const Node1& lower ( uint32_t  i ) const

inline

Return the i'th lower internal node with respect to breadth-first ordering.

__hostdev__ Node1& lower ( uint32_t  i )

inline

__hostdev__ uint64_t lowerCount ( ) const

inline

static __hostdev__ uint64_t memUsage ( const GridT &  grid )

inlinestatic

Return the memory footprint in bytes of the NodeManager derived from the specified grid.

__hostdev__ uint64_t memUsage ( ) const

inline

Return the memory footprint in bytes of this instance.

__hostdev__ const NodeT<LEVEL>& node ( uint32_t  i ) const

inline

Return the i'th leaf node with respect to breadth-first ordering.

__hostdev__ NodeT<LEVEL>& node ( uint32_t  i )

inline

Return the i'th node with respect to breadth-first ordering.

__hostdev__ uint64_t nodeCount ( int  level ) const

inline

Return the number of tree nodes at the specified level.

0 is leaf, 1 is lower internal, and 2 is upper internal level

NodeManager& operator= ( const NodeManager< BuildT > &  )

delete

NodeManager& operator= ( NodeManager< BuildT > &&  )

delete

__hostdev__ RootT& root ( )

inline

Return a reference to the root.

__hostdev__ const RootT& root ( ) const

inline

__hostdev__ TreeT& tree ( )

inline

Return a reference to the tree.

__hostdev__ const TreeT& tree ( ) const

inline

__hostdev__ const Node2& upper ( uint32_t  i ) const

inline

Return the i'th upper internal node with respect to breadth-first ordering.

__hostdev__ Node2& upper ( uint32_t  i )

inline

__hostdev__ uint64_t upperCount ( ) const

inline

Member Data Documentation

constexpr bool FIXED_SIZE = Node0::FIXED_SIZE && Node1::FIXED_SIZE && Node2::FIXED_SIZE

static