Signed Distance Fields 1.0
Public Member Functions | List of all members
SDFNoise Class Reference

Noise field. More...

#include <sdf.h>

Inheritance diagram for SDFNoise:
SDFUnary SDFNode

Public Member Functions

 SDFNoise (SDFNode *, double, double)
 Creates a noise field. More...
 
double Signed (const Vector &) const
 Compute the signed distance. More...
 
int Memory () const
 Return the size of a sub-tree. More...
 
virtual SDFNodeCopy () const
 Deep copy.
 
- Public Member Functions inherited from SDFUnary
 SDFUnary (SDFNode *)
 Create an unary node. More...
 
virtual ~SDFUnary ()
 Destroy the sub-tree.
 
virtual double K (const Box &) const
 Return the local Lipschitz constant. More...
 
virtual int Nodes () const
 Compute the number of nodes in the sub-tree. More...
 
- 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...
 
Box GetBox () const
 Return the bounding box of the node.
 

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 SDFNodeStalactite (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 SDFNodeSpherePieces ()
 Sphere carved, placed on a cylinder. Nice scene for testing sharp features reconstruction.
 
- Protected Attributes inherited from SDFUnary
SDFNodee = nullptr
 Sub-tree.
 
- Protected Attributes inherited from SDFNode
Box box
 Box bounding the surface.
 
double k
 Lipschitz constant.
 
- Static Protected Attributes inherited from SDFNode
static constexpr double Epsilon = 0.01
 Small constant used for bounding volumes.
 

Detailed Description

Noise field.

Constructor & Destructor Documentation

◆ SDFNoise()

SDFNoise::SDFNoise ( SDFNode n,
double  a,
double  w 
)
explicit

Creates a noise field.

Parameters
nSub-tree.
aAmplitude.
wWavelength.

Member Function Documentation

◆ Memory()

int SDFNoise::Memory ( ) const
virtual

Return the size of a sub-tree.

Reimplemented from SDFNode.

◆ Signed()

double SDFNoise::Signed ( const Vector p) const
virtual

Compute the signed distance.

Parameters
pPoint.

Reimplemented from SDFUnary.