SDFHyperSphere Class Reference

Hyper sphere primitive. More...

#include <sdf.h>

Inheritance diagram for SDFHyperSphere:

Public Member Functions
	SDFHyperSphere (const Vector &, double, double)
	Create a hyper-sphere scalar field. More...
	SDFHyperSphere (const Sphere &, double)
	Create a hyper-sphere scalar field. More...
virtual	~SDFHyperSphere ()
	Destructor.
double	Signed (const Vector &) const
	Compute the signed distance function. More...
int	Memory () const
	Return the size of a sub-tree. More...
virtual SDFNode *	Copy () const
	Deep copy.
Public Member Functions inherited from SDFPrimitive
	SDFPrimitive ()
	Create a primitive.
virtual	~SDFPrimitive ()
	Destructor.
Public Member Functions inherited from SDFNode
	SDFNode ()
	Create a generic node.
virtual	~SDFNode ()
	Destructor.
virtual Vector	Gradient (const Vector &) const
	Compute the gradient of the field. More...
virtual bool	Inside (const Vector &) const
	Check if a point is inside or outside. More...
virtual double	K () const
	Return the Lipschitz constant of the node. More...
virtual double	K (const Box &) const
	Return the local Lipschitz constant. More...
Box	GetBox () const
	Return the bounding box of the node.
virtual int	Nodes () const
	Compute the number of nodes in the sub-tree.

Protected Attributes
double	e
	Exponent.
Protected Attributes inherited from SDFNode
Box	box
	Box bounding the surface.
double	k
	Lipschitz constant.

Additional Inherited Members
Static Public Member Functions inherited from SDFNode
static double	SmoothingPolynomialCubic (double d1, double d2, double sr)
	Generalized C2 polynomial smoothing function between two distances. More...
static double	SmoothingPolynomial (double d1, double d2, double sr)
	Generalized C1 polynomial smoothing function between two distances. More...
static double	SmoothingQuilez (double d1, double d2, double sr)
	Generalized polynomial smoothing function between two distances. More...
static double	SmoothingExp (double d1, double d2, double sr)
	Generalized exponential smoothing function between two distances. More...
static SDFNode *	Stalactite (const Vector &p, const double &h, const double &r, bool noise=true, Random &random=Random::R239, const double &largeur=0.25, const double &espacement=0.61)
	Procedural parameterized stalactite. More...
static SDFNode *	SpherePieces ()
	Sphere carved, placed on a cylinder. Nice scene for testing sharp features reconstruction.
Static Protected Attributes inherited from SDFNode
static constexpr double	Epsilon = 0.01
	Small constant used for bounding volumes.

Detailed Description

Hyper sphere primitive.

The Lipschitz constant is K=1 if the e>2, otherwise K=3^1/e-1/2.

See also

Sphere, SDFHyperEdge, SDFHyperDisc

Constructor & Destructor Documentation

SDFHyperSphere() [1/2]

SDFHyperSphere::SDFHyperSphere ( const Vector &  c, double  r, double  e  )

explicit

Create a hyper-sphere scalar field.

See also

SDFSphere, SDFHyperEdge

Parameters

c	Center.
r	Radius.
e	Exponent, should be > 1.

SDFHyperSphere() [2/2]

SDFHyperSphere::SDFHyperSphere ( const Sphere &  s, double  e  )

explicit

Create a hyper-sphere scalar field.

Parameters

s	Sphere.
e	Exponent, should be >1.

Member Function Documentation

Memory()

int SDFHyperSphere::Memory ( ) const

virtual

Return the size of a sub-tree.

Reimplemented from SDFNode.

Signed()

double SDFHyperSphere::Signed ( const Vector &  p ) const

virtual

Compute the signed distance function.

By default compute the signed distance to the bounding box of the primitive.

Parameters

p

Point.

Reimplemented from SDFPrimitive.