TreeContact Class Reference

The contact node. More...

#include <blobtree.h>

Inheritance diagram for TreeContact:

Public Member Functions
	TreeContact (TreeNode *, TreeNode *)
	Creates a contact operator. More...
virtual	~TreeContact ()
	Destroy a blending node. Implicitly calls TreeOperator::~TreeOperator().
double	Intensity (const Vector &) const
	Computes the field value at a given point in space. More...
virtual TreeNode *	Copy () const
	Create a deep copy of blending node.
double	K () const
	Computes the gradient Lipschitz constant of the blending sub-tree.
double	K (const Box &) const
	Compute the local Lipschitz constant in a box. More...
double	K (const Segment &) const
	Compute the Lipschitz constant along a segment. More...
double	K (const Sphere &) const
	Compute the Lipschitz constant in a sphere. More...
double	K (const Ray &) const
	Computes the Lipschitz constant of the blending sub-tree intersecting a ray.
Color	GetMaterial (const Vector &, const Vector &=Vector::Null) const
	Get the texture of blending node. More...
TreeNode *	Cut (const Box &) const
	Cuts the node to simplify its structure inside a box.
Public Member Functions inherited from TreeBinary
	TreeBinary (TreeNode *, TreeNode *)
	Creates a union operator node given a small set of children nodes. More...
virtual	~TreeBinary ()
	Destroys an operator, destroying all existing children.
virtual int	Memory () const
	Compute the size of the sub-tree.
virtual int	Nodes () const
	Compute the number of nodes of the sub-tree. More...
virtual int	Depth () const
	Compute the dpeth of the sub-tree. More...
virtual void	SetThreshold (const double &)
	Recursively setup the threshold value. More...
Public Member Functions inherited from TreeOperator
	TreeOperator ()
	Creates an operator node.
virtual	~TreeOperator ()
	Destroys an operator.
Public Member Functions inherited from TreeNode
	TreeNode ()
	Create a virtual node of the Blob-Tree structure.
virtual	~TreeNode ()
	Destroys a node.
virtual void	IntensityGradient (const Vector &, double &, Vector &) const
	Computes the field value and the gradient at a given point in space. More...
virtual Vector	Gradient (const Vector &) const
	Computes the gradient of the field function at a given point in space. More...
virtual TreeNode *	Blend (TreeNode *)
	Insert a blending node that blends the old and the new sub-tree together. More...
virtual TreeNode *	Union (TreeNode *)
	Insert a union node that unions the old and the new sub-tree together. More...
virtual TreeNode *	Difference (TreeNode *)
	Insert a difference node. More...
virtual TreeNode *	Translate (const Vector &)
	Insert a translation node. More...
virtual TreeNode *	Rotate (const Matrix &)
	Insert a rotation node. More...
virtual TreeNode *	Scale (const Vector &)
	Insert a scaling node. More...
virtual double	K (const RayStep &) const
	Compute the Lipschitz constant along an optimized ray-stepping segment. More...
Box	GetBox () const
	Return the bounding box of the node.
virtual Vector	Dichotomy (Vector, Vector, double, double, double, const double &=1.0e-4)
	Compute the intersection between the implicit surface and a segment. More...

Additional Inherited Members
Protected Attributes inherited from TreeNode
Box	box = Box::Null
	Bounding box of the node.
double	T = 0.5
	Threshold value.
Static Protected Attributes inherited from TreeNode
static const double	Epsilon = 1e-6
	Epsilon value for gradient computation.

Detailed Description

The contact node.

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Constructor & Destructor Documentation

TreeContact()

TreeContact::TreeContact ( TreeNode *  a, TreeNode *  b  )

explicit

Creates a contact operator.

Parameters

a,b	Sub-trees.

Member Function Documentation

GetMaterial()

Color TreeContact::GetMaterial ( const Vector &  p, const Vector &  n = Vector::Null  ) const

virtual

Get the texture of blending node.

Simply get the material parameters of the children nodes and weight those parameters with the field of the nodes.

Parameters

p	Point.
n	Normal.

Reimplemented from TreeNode.

Intensity()

double TreeContact::Intensity ( const Vector &  p ) const

virtual

Computes the field value at a given point in space.

Parameters

p

Point.

Implements TreeNode.

K() [1/3]

double TreeContact::K ( const Box &  b ) const

virtual

Compute the local Lipschitz constant in a box.

Implements TreeNode.

K() [2/3]

double TreeContact::K ( const Segment &  s ) const

virtual

Compute the Lipschitz constant along a segment.

Parameters

s	The segment.

Reimplemented from TreeNode.

K() [3/3]

double TreeContact::K ( const Sphere &  s ) const

virtual

Compute the Lipschitz constant in a sphere.

Parameters

s	The sphere.

Reimplemented from TreeNode.