BBNode Class Reference

#include <bbnode.h>

Inheritance diagram for BBNode:

Collaboration diagram for BBNode:

Public Member Functions
	BBNode (const ON_BoundingBox &node, const CurveTree *ct=NULL)
	BBNode (const CurveTree *ct, const ON_BoundingBox &node, const ON_Interval &u, const ON_Interval &v, bool checkTrim, bool trimmed)
	~BBNode ()
	BBNode (Deserializer &deserieralizer, const CurveTree &ctree)
void	serialize (Serializer &serializer) const
const ON_BrepFace &	get_face () const
bool	isLeaf () const
void	getLeaves (std::list< const BBNode * > &out_leaves) const
void	addChild (BBNode *child)
int	depth () const
void	GetBBox (float *min, float *max) const
void	GetBBox (double *min, double *max) const
bool	intersectsHierarchy (const ON_Ray &ray, std::list< const BBNode * > &results) const
ON_2dPoint	getClosestPointEstimate (const ON_3dPoint &pt) const
ON_2dPoint	getClosestPointEstimate (const ON_3dPoint &pt, ON_Interval &u, ON_Interval &v) const
int	getLeavesBoundingPoint (const ON_3dPoint &pt, std::list< const BBNode * > &out) const
bool	isTrimmed (const ON_2dPoint &uv, const BRNode **closest, double &closesttrim, double within_distance_tol) const
void	BuildBBox ()
bool	prepTrims ()
const std::vector< BBNode * > &	get_children () const

Data Fields
ON_BoundingBox	m_node
ON_Interval	m_u
ON_Interval	m_v
bool	m_checkTrim
bool	m_trimmed
ON_3dPoint	m_estimate
ON_3dVector	m_normal
const CurveTree *const	m_ctree

Additional Inherited Members
Static Public Member Functions inherited from PooledObject< BBNode >
static void *	operator new (std::size_t size)
static void	operator delete (void *pointer)

Detailed Description

Bounding Box Hierarchy Node

Definition at line 68 of file bbnode.h.

Constructor & Destructor Documentation

BBNode() [1/3]

BBNode ( const ON_BoundingBox &  node, const CurveTree *  ct = NULL  )

explicit

BBNode() [2/3]

BBNode	(	const CurveTree *	ct,
		const ON_BoundingBox &	node,
		const ON_Interval &	u,
		const ON_Interval &	v,
		bool	checkTrim,
		bool	trimmed
	)

~BBNode()

~BBNode

(

)

BBNode() [3/3]

BBNode	(	Deserializer &	deserieralizer,
		const CurveTree &	ctree
	)

Member Function Documentation

serialize()

void serialize

(

Serializer &

serializer

)

const

get_face()

const ON_BrepFace & get_face ( ) const

inline

Definition at line 201 of file bbnode.h.

References BBNode::m_ctree.

isLeaf()

bool isLeaf ( ) const

inline

Test if this node is a leaf node in the hierarchy

Definition at line 213 of file bbnode.h.

getLeaves()

void getLeaves

(

std::list< const BBNode * > &

out_leaves

)

const

Return all leaves below this node that are leaf nodes

addChild()

void addChild ( BBNode *  child )

inline

Functions to add and remove child nodes from this node.

Definition at line 178 of file bbnode.h.

References LIKELY.

depth()

int depth

(

)

const

Report the depth of this node in the hierarchy

GetBBox() [1/2]

void GetBBox ( float *  min, float *  max  ) const

inline

Get 2 points defining a bounding box

*                _  max  _
*        _   -       +      -  _
*     *  _           +         _  *
*     |      -   _   + _   -      |
*     |             *+            |
*     |             |+            |
*     |          _  |+   _        |
*     |  _   -      |       -  _  |
*     *  _          |          _  *
*            -   _  |  _   -
*                  min
* 

Definition at line 219 of file bbnode.h.

References BBNode::m_node, and min.

GetBBox() [2/2]

void GetBBox ( double *  min, double *  max  ) const

inline

Definition at line 230 of file bbnode.h.

References BBNode::m_node, and min.

intersectsHierarchy()

bool intersectsHierarchy	(	const ON_Ray &	ray,
		std::list< const BBNode * > &	results
	)		const

Test whether a ray intersects the 3D bounding volume of the node - if so, and node is not a leaf node, query children. If leaf node, and intersects, add to list.

getClosestPointEstimate() [1/2]

ON_2dPoint getClosestPointEstimate

(

const ON_3dPoint &

pt

)

const

getClosestPointEstimate() [2/2]

ON_2dPoint getClosestPointEstimate	(	const ON_3dPoint &	pt,
		ON_Interval &	u,
		ON_Interval &	v
	)		const

getLeavesBoundingPoint()

int getLeavesBoundingPoint	(	const ON_3dPoint &	pt,
		std::list< const BBNode * > &	out
	)		const

isTrimmed()

bool isTrimmed	(	const ON_2dPoint &	uv,
		const BRNode **	closest,
		double &	closesttrim,
		double	within_distance_tol
	)		const

BuildBBox()

void BuildBBox

(

)

prepTrims()

bool prepTrims

(

)

get_children()

const std::vector< BBNode * > & get_children ( ) const

inline

Definition at line 207 of file bbnode.h.

Field Documentation

m_node

ON_BoundingBox m_node

Bounding Box

Definition at line 132 of file bbnode.h.

Referenced by BBNode::GetBBox().

m_u

ON_Interval m_u

Surface Information

Definition at line 135 of file bbnode.h.

m_v

ON_Interval m_v

Definition at line 136 of file bbnode.h.

m_checkTrim

bool m_checkTrim

Trimming Flags

Definition at line 139 of file bbnode.h.

m_trimmed

bool m_trimmed

Definition at line 140 of file bbnode.h.

m_estimate

ON_3dPoint m_estimate

Point used for closeness testing - usually based on evaluation of the curve/surface at the center of the parametric domain

Definition at line 145 of file bbnode.h.

m_normal

ON_3dVector m_normal

Definition at line 148 of file bbnode.h.

m_ctree

const CurveTree* const m_ctree

Curve Tree associated with the parent Surface Tree

Definition at line 151 of file bbnode.h.

Referenced by BBNode::get_face().

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

• include/brep/bbnode.h