Signed Distance Fields 1.0
SDFCloneRevolution Class Reference

Cloning operator. More...

#include <sdf.h>

Inheritance diagram for SDFCloneRevolution:
SDFUnary SDFNode

Public Member Functions

 SDFCloneRevolution (SDFNode *, const Axis &, int)
 Create n virtual clones of the sub-tree, and locate them by rotating colones around the axis.
 
virtual ~SDFCloneRevolution ()
 Destructor.
 
virtual double Signed (const Vector &) const
 Compute the signed distance function.
 
virtual Vector Gradient (const Vector &) const
 Compute the signed distance function.
 
QString GetShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to render the node.
 
QString GetCostShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to compute the cost of a call to sdf.
 
QString GetGradientShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to compute the gradient the sdf.
 
QString GetMaterialShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to compute the material the sdf at a given point 'p' with a given normal 'n'.
 
virtual int Memory () const
 Return the size of a sub-tree.
 
virtual SDFNodeCopy () const
 Deep copy.
 
- Public Member Functions inherited from SDFUnary
 SDFUnary (SDFNode *)
 Create an unary node.
 
virtual ~SDFUnary ()
 Destroy the sub-tree.
 
virtual double K (const Box &) const
 Return the local Lipschitz constant.
 
virtual void ComputeCostSigned (const Vector &)
 Compute the number of reccursive calls to Signed().
 
virtual int Nodes () const
 Compute the number of nodes in the sub-tree.
 
- Public Member Functions inherited from SDFNode
 SDFNode ()
 Create a generic node.
 
virtual ~SDFNode ()
 Destructor.
 
virtual double BID (const Vector &) const
 Compute a lower bound of the signed distance.
 
virtual bool Inside (const Vector &) const
 Check if a point is inside or outside.
 
virtual Color GetColor (const Vector &) const
 Computes the color.
 
virtual double K () const
 Return the Lipschitz constant of the node.
 
Box GetBox () const
 Return the bounding box of the node.
 
virtual void ComputeCostBID (const Vector &)
 Compute the number of reccursive calls to BID() and Signed().
 

Protected Attributes

Axis axis
 Revolution axis.
 
int n
 Rotation matrix.
 
- Protected Attributes inherited from SDFUnary
SDFNodee = nullptr
 Sub-tree.
 
- Protected Attributes inherited from SDFNode
Box box = Box::Infinity
 Box bounding the surface.
 
double k = 1.0
 Lipschitz constant.
 
int cost = 1
 Relative computation cost.
 

Additional Inherited Members

- Static Public Member Functions inherited from SDFNode
static void ResetReccursiveCalls ()
 Reset the reccursive call property of the tree.
 
static int ReccursiveCalls ()
 Returns the number of reccursive calls to Value() and BID().
 
static void addReccursiveCalls (int)
 Add a nulber to the nbreccursiveCalls.
 
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.
 
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.
 
static int reccursiveCalls = 0
 Recursive calls to BID or Value.
 

Detailed Description

Cloning operator.

See also
SDFClone

Constructor & Destructor Documentation

◆ SDFCloneRevolution()

SDFCloneRevolution::SDFCloneRevolution ( SDFNode * s,
const Axis & a,
int n )
explicit

Create n virtual clones of the sub-tree, and locate them by rotating colones around the axis.

Parameters
sSub-tree.
aAxis.
nNumber of clones.

Member Function Documentation

◆ GetCostShader()

QString SDFCloneRevolution::GetCostShader ( PrimitiveManager * primitives,
std::list< QString > * dependency,
bool * valid_glsl ) const
virtual

Compute the GLSL code to compute the cost of a call to sdf.

Author
Hubert-Brierre Pierre

Reimplemented from SDFUnary.

◆ GetGradientShader()

QString SDFCloneRevolution::GetGradientShader ( PrimitiveManager * primitives,
std::list< QString > * dependency,
bool * valid_glsl ) const
virtual

Compute the GLSL code to compute the gradient the sdf.

Author
HUEBRT-BRIERRE Pierre

Reimplemented from SDFNode.

◆ GetMaterialShader()

QString SDFCloneRevolution::GetMaterialShader ( PrimitiveManager * primitives,
std::list< QString > * dependency,
bool * valid_glsl ) const
virtual

Compute the GLSL code to compute the material the sdf at a given point 'p' with a given normal 'n'.

Author
HUEBRT-BRIERRE Pierre

Reimplemented from SDFUnary.

◆ GetShader()

QString SDFCloneRevolution::GetShader ( PrimitiveManager * primitives,
std::list< QString > * dependency,
bool * valid_glsl ) const
virtual

Compute the GLSL code to render the node.

Author
Hubert-Brierre Pierre

Reimplemented from SDFNode.

◆ Gradient()

Vector SDFCloneRevolution::Gradient ( const Vector & p) const
virtual

Compute the signed distance function.

This operator preserves the Euclidean distance (if argument sub-trees provide a Euclidean distance).

Parameters
pPoint.

Reimplemented from SDFNode.

◆ Memory()

int SDFCloneRevolution::Memory ( ) const
virtual

Return the size of a sub-tree.

Reimplemented from SDFNode.

◆ Signed()

double SDFCloneRevolution::Signed ( const Vector & p) const
virtual

Compute the signed distance function.

This operator preserves the Euclidean distance (if argument sub-trees provide a Euclidean distance).

Parameters
pPoint.

Reimplemented from SDFUnary.

Member Data Documentation

◆ n

int SDFCloneRevolution::n
protected

Rotation matrix.

Number of clones.