Signed Distance Fields 1.0
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
SDFRotational Class Reference

Rotational primitives. More...

#include <sdf.h>

Inheritance diagram for SDFRotational:
SDFPrimitive SDFNode

Public Member Functions

 SDFRotational (const Vector &, const Vector &, double, int, int)
 Creates a rotational element. More...
 
virtual ~SDFRotational ()
 Destroy a rotational primitive.
 
virtual double Signed (const Vector &) const
 Compute the signed distance. More...
 
virtual SDFNodeCopy () const
 Creates a deep copy of the node.
 
int Memory () const
 Return the size of a sub-tree. More...
 
- 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 Member Functions

double Curve (double) const
 Evaluates the radius of the profile curve. More...
 

Protected Attributes

Vector c
 Center.
 
Vector a
 Axis (normalized).
 
double r
 Radius.
 
int type [2]
 Profile curve type.
 
- 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 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.
 
- Static Protected Attributes inherited from SDFNode
static constexpr double Epsilon = 0.01
 Small constant used for bounding volumes.
 

Detailed Description

Rotational primitives.

See B. Crespin, C. Blanc, C. Schlick, Implicit Sweep Objects. Computer Graphics Forum (Proceedings of Eurographics), 15(3): 165-174, 1996. ,

Constructor & Destructor Documentation

◆ SDFRotational()

SDFRotational::SDFRotational ( const Vector c,
const Vector a,
double  r,
int  p0,
int  p1 
)
explicit

Creates a rotational element.

Parameters
cCenter.
aAxis (should be normalized).
rRadius.
p0,p1Profile curve types.

Member Function Documentation

◆ Curve()

double SDFRotational::Curve ( double  u) const
protected

Evaluates the radius of the profile curve.

Parameters
u

◆ Memory()

int SDFRotational::Memory ( ) const
virtual

Return the size of a sub-tree.

Reimplemented from SDFNode.

◆ Signed()

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

Compute the signed distance.

Parameters
pPoint.

Reimplemented from SDFPrimitive.