This class represents a single spatial region in an 3D axis aligned binary spatial partitioning. More...

#include <vtkKdNode.h>

Inheritance diagram for vtkKdNode:

Collaboration diagram for vtkKdNode:

Public Types
typedef vtkObject	Superclass

Public Member Functions
virtual vtkTypeBool	IsA (const char *type)
	Return 1 if this class is the same type of (or a subclass of) the named class. More...

vtkKdNode *	NewInstance () const

void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses. More...

virtual double	GetDivisionPosition ()
	Get the location of the division plane along the axis the region is divided. More...

void	SetDataBounds (float *v)
	Given a pointer to NumberOfPoints points, set the DataBounds of this node to the bounds of these points. More...

double *	GetMinBounds ()
	Get a pointer to the 3 bound minima (xmin, ymin and zmin) or the 3 bound maxima (xmax, ymax, zmax). More...

double *	GetMaxBounds ()

void	SetMinBounds (const double *mb)
	Set the xmin, ymin and zmin value of the bounds of this region. More...

void	SetMaxBounds (const double *mb)
	Set the xmax, ymax and zmax value of the bounds of this region. More...

double *	GetMinDataBounds ()
	Get a pointer to the 3 data bound minima (xmin, ymin and zmin) or the 3 data bound maxima (xmax, ymax, zmax). More...

double *	GetMaxDataBounds ()

void	SetMinDataBounds (const double *mb)
	Set the xmin, ymin and zmin value of the bounds of this data within this region. More...

void	SetMaxDataBounds (const double *mb)
	Set the xmax, ymax and zmax value of the bounds of this data within this region. More...

void	AddChildNodes (vtkKdNode left, vtkKdNode right)
	Add the left and right children. More...

void	DeleteChildNodes ()
	Delete the left and right children. More...

int	IntersectsBox (double x1, double x2, double y1, double y2, double z1, double z2, int useDataBounds)
	Return 1 if this spatial region intersects the axis-aligned box given by the bounds passed in. More...

int	IntersectsSphere2 (double x, double y, double z, double rSquared, int useDataBounds)
	Return 1 if this spatial region intersects a sphere described by it's center and the square of it's radius. More...

int	IntersectsRegion (vtkPlanesIntersection *pi, int useDataBounds)
	A vtkPlanesIntersection object represents a convex 3D region bounded by planes, and it is capable of computing intersections of boxes with itself. More...

int	IntersectsCell (vtkCell cell, int useDataBounds, int cellRegion=-1, double cellBounds=nullptr)
	Return 1 if the cell specified intersects this region. More...

int	ContainsBox (double x1, double x2, double y1, double y2, double z1, double z2, int useDataBounds)
	Return 1 if this spatial region entirely contains a box specified by it's bounds. More...

vtkTypeBool	ContainsPoint (double x, double y, double z, int useDataBounds)
	Return 1 if this spatial region entirely contains the given point. More...

double	GetDistance2ToBoundary (double x, double y, double z, int useDataBounds)
	Calculate the distance squared from any point to the boundary of this region. More...

double	GetDistance2ToBoundary (double x, double y, double z, double *boundaryPt, int useDataBounds)
	Calculate the distance squared from any point to the boundary of this region. More...

double	GetDistance2ToInnerBoundary (double x, double y, double z)
	Calculate the distance from the specified point (which is required to be inside this spatial region) to an interior boundary. More...


virtual void	SetDim (int)
	Set/Get the dimension along which this region is divided. More...

virtual int	GetDim ()
	Set/Get the dimension along which this region is divided. More...


virtual void	SetNumberOfPoints (int)
	Set/Get the number of points contained in this region. More...

virtual int	GetNumberOfPoints ()
	Set/Get the number of points contained in this region. More...


void	SetBounds (double x1, double x2, double y1, double y2, double z1, double z2)
	Set/Get the bounds of the spatial region represented by this node. More...

void	SetBounds (const double b[6])
	Set/Get the bounds of the spatial region represented by this node. More...

void	GetBounds (double *b) const
	Set/Get the bounds of the spatial region represented by this node. More...


void	SetDataBounds (double x1, double x2, double y1, double y2, double z1, double z2)
	Set/Get the bounds of the points contained in this spatial region. More...

void	GetDataBounds (double *b) const
	Set/Get the bounds of the points contained in this spatial region. More...


virtual void	SetID (int)
	Set/Get the ID associated with the region described by this node. More...

virtual int	GetID ()
	Set/Get the ID associated with the region described by this node. More...


virtual int	GetMinID ()
	If this node is not a leaf node, there are leaf nodes below it whose regions represent a partitioning of this region. More...

virtual int	GetMaxID ()
	If this node is not a leaf node, there are leaf nodes below it whose regions represent a partitioning of this region. More...

virtual void	SetMinID (int)
	If this node is not a leaf node, there are leaf nodes below it whose regions represent a partitioning of this region. More...

virtual void	SetMaxID (int)
	If this node is not a leaf node, there are leaf nodes below it whose regions represent a partitioning of this region. More...


virtual vtkKdNode *	GetLeft ()
	Set/Get a pointer to the left child of this node. More...

void	SetLeft (vtkKdNode *left)
	Set/Get a pointer to the left child of this node. More...


virtual vtkKdNode *	GetRight ()
	Set/Get a pointer to the right child of this node. More...

void	SetRight (vtkKdNode *right)
	Set/Get a pointer to the right child of this node. More...


virtual vtkKdNode *	GetUp ()
	Set/Get a pointer to the parent of this node. More...

void	SetUp (vtkKdNode *up)
	Set/Get a pointer to the parent of this node. More...


void	PrintNode (int depth)
	For debugging purposes, print out this node. More...

void	PrintVerboseNode (int depth)
	For debugging purposes, print out this node. More...

Public Member Functions inherited from vtkObject
	vtkBaseTypeMacro (vtkObject, vtkObjectBase)

virtual void	DebugOn ()
	Turn debugging output on. More...

virtual void	DebugOff ()
	Turn debugging output off. More...

bool	GetDebug ()
	Get the value of the debug flag. More...

void	SetDebug (bool debugFlag)
	Set the value of the debug flag. More...

virtual void	Modified ()
	Update the modification time for this object. More...

virtual vtkMTimeType	GetMTime ()
	Return this object's modified time. More...

void	RemoveObserver (unsigned long tag)

void	RemoveObservers (unsigned long event)

void	RemoveObservers (const char *event)

void	RemoveAllObservers ()

vtkTypeBool	HasObserver (unsigned long event)

vtkTypeBool	HasObserver (const char *event)

int	InvokeEvent (unsigned long event)

int	InvokeEvent (const char *event)

unsigned long	AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

unsigned long	AddObserver (const char event, vtkCommand , float priority=0.0f)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

vtkCommand *	GetCommand (unsigned long tag)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

void	RemoveObserver (vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

void	RemoveObservers (unsigned long event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

void	RemoveObservers (const char event, vtkCommand )
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

vtkTypeBool	HasObserver (unsigned long event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

vtkTypeBool	HasObserver (const char event, vtkCommand )
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)
	Overloads to AddObserver that allow developers to add class member functions as callbacks for events. More...

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, void(T::callback)(vtkObject , unsigned long, void *), float priority=0.0f)
	Overloads to AddObserver that allow developers to add class member functions as callbacks for events. More...

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, bool(T::callback)(vtkObject , unsigned long, void *), float priority=0.0f)
	Allow user to set the AbortFlagOn() with the return value of the callback method. More...

int	InvokeEvent (unsigned long event, void *callData)
	This method invokes an event and return whether the event was aborted or not. More...

int	InvokeEvent (const char event, void callData)
	This method invokes an event and return whether the event was aborted or not. More...

Public Member Functions inherited from vtkObjectBase
const char *	GetClassName () const
	Return the class name as a string. More...

virtual void	Delete ()
	Delete a VTK object. More...

virtual void	FastDelete ()
	Delete a reference to this object. More...

void	InitializeObjectBase ()

void	Print (ostream &os)
	Print an object to an ostream. More...

virtual void	Register (vtkObjectBase *o)
	Increase the reference count (mark as used by another object). More...

virtual void	UnRegister (vtkObjectBase *o)
	Decrease the reference count (release by another object). More...

int	GetReferenceCount ()
	Return the current reference count of this object. More...

void	SetReferenceCount (int)
	Sets the reference count. More...

void	PrintRevisions (ostream &)
	Legacy. More...

virtual void	PrintHeader (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses. More...

virtual void	PrintTrailer (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses. More...

Static Public Member Functions
static vtkTypeBool	IsTypeOf (const char *type)

static vtkKdNode *	SafeDownCast (vtkObjectBase *o)

static vtkKdNode *	New ()

Static Public Member Functions inherited from vtkObject
static vtkObject *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...

static void	BreakOnError ()
	This method is called when vtkErrorMacro executes. More...

static void	SetGlobalWarningDisplay (int val)
	This is a global flag that controls whether any debug, warning or error messages are displayed. More...

static void	GlobalWarningDisplayOn ()
	This is a global flag that controls whether any debug, warning or error messages are displayed. More...

static void	GlobalWarningDisplayOff ()
	This is a global flag that controls whether any debug, warning or error messages are displayed. More...

static int	GetGlobalWarningDisplay ()
	This is a global flag that controls whether any debug, warning or error messages are displayed. More...

Static Public Member Functions inherited from vtkObjectBase
static vtkTypeBool	IsTypeOf (const char *name)
	Return 1 if this class type is the same type of (or a subclass of) the named class. More...

static vtkObjectBase *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...

Protected Member Functions
virtual vtkObjectBase *	NewInstanceInternal () const

	vtkKdNode ()

	~vtkKdNode () override

Protected Member Functions inherited from vtkObject
	vtkObject ()

	~vtkObject () override

void	RegisterInternal (vtkObjectBase *, vtkTypeBool check) override

void	UnRegisterInternal (vtkObjectBase *, vtkTypeBool check) override

void	InternalGrabFocus (vtkCommand mouseEvents, vtkCommand keypressEvents=nullptr)
	These methods allow a command to exclusively grab all events. More...

void	InternalReleaseFocus ()
	These methods allow a command to exclusively grab all events. More...

Protected Member Functions inherited from vtkObjectBase
	vtkObjectBase ()

virtual	~vtkObjectBase ()

virtual void	CollectRevisions (ostream &)

virtual void	ReportReferences (vtkGarbageCollector *)

	vtkObjectBase (const vtkObjectBase &)

void	operator= (const vtkObjectBase &)

Additional Inherited Members
Protected Attributes inherited from vtkObject
bool	Debug

vtkTimeStamp	MTime

vtkSubjectHelper *	SubjectHelper

Protected Attributes inherited from vtkObjectBase
vtkAtomicInt32	ReferenceCount

vtkWeakPointerBase **	WeakPointers

Detailed Description

This class represents a single spatial region in an 3D axis aligned binary spatial partitioning.

It is assumed the region bounds some set of points. Regions are represented as nodes in a binary tree.

See also: vtkKdTree vtkOBSPCuts

Tests:: vtkKdNode (Tests)

Definition at line 45 of file vtkKdNode.h.

Member Typedef Documentation

typedef vtkObject vtkKdNode::Superclass

Definition at line 48 of file vtkKdNode.h.

Constructor & Destructor Documentation

vtkKdNode::vtkKdNode ( )

protected

vtkKdNode::~vtkKdNode ( )

overrideprotected

Member Function Documentation

static vtkTypeBool vtkKdNode::IsTypeOf ( const char * type )

static

virtual vtkTypeBool vtkKdNode::IsA ( const char * name )

virtual

Return 1 if this class is the same type of (or a subclass of) the named class.

Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h.

Reimplemented from vtkObjectBase.

static vtkKdNode* vtkKdNode::SafeDownCast ( vtkObjectBase * o )

static

virtual vtkObjectBase* vtkKdNode::NewInstanceInternal ( ) const

protectedvirtual

vtkKdNode* vtkKdNode::NewInstance ( ) const

void vtkKdNode::PrintSelf	(	ostream &	os,
		vtkIndent	indent
	)

overridevirtual

Methods invoked by print to print information about the object including superclasses.

Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from vtkObject.

static vtkKdNode* vtkKdNode::New ( )

static

virtual void vtkKdNode::SetDim ( int )

virtual

Set/Get the dimension along which this region is divided.

(0 - x, 1 - y, 2 - z, 3 - leaf node (default)).

virtual int vtkKdNode::GetDim ( )

virtual

Set/Get the dimension along which this region is divided.

(0 - x, 1 - y, 2 - z, 3 - leaf node (default)).

virtual double vtkKdNode::GetDivisionPosition ( )

virtual

Get the location of the division plane along the axis the region is divided.

See also GetDim(). The result is undertermined if this node is not divided (a leaf node).

virtual void vtkKdNode::SetNumberOfPoints ( int )

virtual

Set/Get the number of points contained in this region.

virtual int vtkKdNode::GetNumberOfPoints ( )

virtual

Set/Get the number of points contained in this region.

void vtkKdNode::SetBounds	(	double	x1,
		double	x2,
		double	y1,
		double	y2,
		double	z1,
		double	z2
	)

Set/Get the bounds of the spatial region represented by this node.

Caller allocates storage for 6-vector in GetBounds.

void vtkKdNode::SetBounds ( const double b[6] )

inline

Set/Get the bounds of the spatial region represented by this node.

Caller allocates storage for 6-vector in GetBounds.

Definition at line 83 of file vtkKdNode.h.

void vtkKdNode::GetBounds ( double * b ) const

Set/Get the bounds of the spatial region represented by this node.

Caller allocates storage for 6-vector in GetBounds.

void vtkKdNode::SetDataBounds	(	double	x1,
		double	x2,
		double	y1,
		double	y2,
		double	z1,
		double	z2
	)

Set/Get the bounds of the points contained in this spatial region.

This may be smaller than the bounds of the region itself. Caller allocates storage for 6-vector in GetDataBounds.

void vtkKdNode::GetDataBounds ( double * b ) const

Set/Get the bounds of the points contained in this spatial region.

This may be smaller than the bounds of the region itself. Caller allocates storage for 6-vector in GetDataBounds.

void vtkKdNode::SetDataBounds ( float * v )

Given a pointer to NumberOfPoints points, set the DataBounds of this node to the bounds of these points.

double* vtkKdNode::GetMinBounds ( )

inline

Get a pointer to the 3 bound minima (xmin, ymin and zmin) or the 3 bound maxima (xmax, ymax, zmax).

Don't free this pointer.

Definition at line 110 of file vtkKdNode.h.

double* vtkKdNode::GetMaxBounds ( )

inline

Definition at line 111 of file vtkKdNode.h.

void vtkKdNode::SetMinBounds ( const double * mb )

Set the xmin, ymin and zmin value of the bounds of this region.

void vtkKdNode::SetMaxBounds ( const double * mb )

Set the xmax, ymax and zmax value of the bounds of this region.

double* vtkKdNode::GetMinDataBounds ( )

inline

Get a pointer to the 3 data bound minima (xmin, ymin and zmin) or the 3 data bound maxima (xmax, ymax, zmax).

Don't free this pointer.

Definition at line 127 of file vtkKdNode.h.

double* vtkKdNode::GetMaxDataBounds ( )

inline

Definition at line 128 of file vtkKdNode.h.

void vtkKdNode::SetMinDataBounds ( const double * mb )

Set the xmin, ymin and zmin value of the bounds of this data within this region.

void vtkKdNode::SetMaxDataBounds ( const double * mb )

Set the xmax, ymax and zmax value of the bounds of this data within this region.

virtual void vtkKdNode::SetID ( int )

virtual

Set/Get the ID associated with the region described by this node.

If this is not a leaf node, this value should be -1.

virtual int vtkKdNode::GetID ( )

virtual

Set/Get the ID associated with the region described by this node.

If this is not a leaf node, this value should be -1.

virtual int vtkKdNode::GetMinID ( )

virtual

If this node is not a leaf node, there are leaf nodes below it whose regions represent a partitioning of this region.

The IDs of these leaf nodes form a contiguous set. Set/Get the range of the IDs of the leaf nodes below this node. If this is already a leaf node, these values should be the same as the ID.

virtual int vtkKdNode::GetMaxID ( )

virtual

If this node is not a leaf node, there are leaf nodes below it whose regions represent a partitioning of this region.

The IDs of these leaf nodes form a contiguous set. Set/Get the range of the IDs of the leaf nodes below this node. If this is already a leaf node, these values should be the same as the ID.

virtual void vtkKdNode::SetMinID ( int )

virtual

If this node is not a leaf node, there are leaf nodes below it whose regions represent a partitioning of this region.

The IDs of these leaf nodes form a contiguous set. Set/Get the range of the IDs of the leaf nodes below this node. If this is already a leaf node, these values should be the same as the ID.

virtual void vtkKdNode::SetMaxID ( int )

virtual

If this node is not a leaf node, there are leaf nodes below it whose regions represent a partitioning of this region.

The IDs of these leaf nodes form a contiguous set. Set/Get the range of the IDs of the leaf nodes below this node. If this is already a leaf node, these values should be the same as the ID.

void vtkKdNode::AddChildNodes	(	vtkKdNode *	left,
		vtkKdNode *	right
	)

Add the left and right children.

void vtkKdNode::DeleteChildNodes ( )

Delete the left and right children.

virtual vtkKdNode* vtkKdNode::GetLeft ( )

virtual

Set/Get a pointer to the left child of this node.

void vtkKdNode::SetLeft ( vtkKdNode * left )

Set/Get a pointer to the left child of this node.

virtual vtkKdNode* vtkKdNode::GetRight ( )

virtual

Set/Get a pointer to the right child of this node.

void vtkKdNode::SetRight ( vtkKdNode * right )

Set/Get a pointer to the right child of this node.

virtual vtkKdNode* vtkKdNode::GetUp ( )

virtual

Set/Get a pointer to the parent of this node.

void vtkKdNode::SetUp ( vtkKdNode * up )

Set/Get a pointer to the parent of this node.

int vtkKdNode::IntersectsBox	(	double	x1,
		double	x2,
		double	y1,
		double	y2,
		double	z1,
		double	z2,
		int	useDataBounds
	)

Return 1 if this spatial region intersects the axis-aligned box given by the bounds passed in.

Use the possibly smaller bounds of the points within the region if useDataBounds is non-zero.

int vtkKdNode::IntersectsSphere2	(	double	x,
		double	y,
		double	z,
		double	rSquared,
		int	useDataBounds
	)

Return 1 if this spatial region intersects a sphere described by it's center and the square of it's radius.

Use the possibly smaller bounds of the points within the region if useDataBounds is non-zero.

int vtkKdNode::IntersectsRegion	(	vtkPlanesIntersection *	pi,
		int	useDataBounds
	)

A vtkPlanesIntersection object represents a convex 3D region bounded by planes, and it is capable of computing intersections of boxes with itself.

Return 1 if this spatial region intersects the spatial region described by the vtkPlanesIntersection object. Use the possibly smaller bounds of the points within the region if useDataBounds is non-zero.

int vtkKdNode::IntersectsCell	(	vtkCell *	cell,
		int	useDataBounds,
		int	cellRegion = `-1`,
		double *	cellBounds = `nullptr`
	)

Return 1 if the cell specified intersects this region.

If you already know the ID of the region containing the cell's centroid, provide that as an argument. If you already know the bounds of the cell, provide that as well, in the form of xmin,xmax,ymin,ymax,zmin, zmax. Either of these may speed the calculation. Use the possibly smaller bounds of the points within the region if useDataBounds is non-zero.

int vtkKdNode::ContainsBox	(	double	x1,
		double	x2,
		double	y1,
		double	y2,
		double	z1,
		double	z2,
		int	useDataBounds
	)

Return 1 if this spatial region entirely contains a box specified by it's bounds.

Use the possibly smaller bounds of the points within the region if useDataBounds is non-zero.

vtkTypeBool vtkKdNode::ContainsPoint	(	double	x,
		double	y,
		double	z,
		int	useDataBounds
	)

Return 1 if this spatial region entirely contains the given point.

Use the possibly smaller bounds of the points within the region if useDataBounds is non-zero.

double vtkKdNode::GetDistance2ToBoundary	(	double	x,
		double	y,
		double	z,
		int	useDataBounds
	)

Calculate the distance squared from any point to the boundary of this region.

Use the boundary of the points within the region if useDataBounds is non-zero.

double vtkKdNode::GetDistance2ToBoundary	(	double	x,
		double	y,
		double	z,
		double *	boundaryPt,
		int	useDataBounds
	)

Calculate the distance squared from any point to the boundary of this region.

Use the boundary of the points within the region if useDataBounds is non-zero. Set boundaryPt to the point on the boundary.

double vtkKdNode::GetDistance2ToInnerBoundary	(	double	x,
		double	y,
		double	z
	)

Calculate the distance from the specified point (which is required to be inside this spatial region) to an interior boundary.

An interior boundary is one that is not also an boundary of the entire space partitioned by the tree of vtkKdNode's.

void vtkKdNode::PrintNode ( int depth )

For debugging purposes, print out this node.

void vtkKdNode::PrintVerboseNode ( int depth )

For debugging purposes, print out this node.

The documentation for this class was generated from the following file:

/home/demarle/Source/VTK/release/8.2/build/Utilities/Doxygen/dox/Common/DataModel/vtkKdNode.h

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation