Signed Distance Fields 1.0
SDFEstimateNormal Class Reference

if the child does not define a normaln define the estimated normal instead More...

#include <sdf.h>

Inheritance diagram for SDFEstimateNormal:
SDFUnary SDFNode

Public Member Functions

 SDFEstimateNormal (SDFNode *)
 Create an estimator for normals.
 
virtual ~SDFEstimateNormal ()
 Destructor.
 
virtual double Signed (const Vector &) const
 Compute the signed distance.
 
QString GetShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to render the node.
 
QString GetGradientShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to render the node.
 
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 QString GetCostShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to compute the cost of a call to sdf.
 
virtual QString GetMaterialShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to compute the material of the sdf.
 
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 Vector Gradient (const Vector &) const
 Compute the gradient of the field.
 
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().
 

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.
 
- 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.
 
- 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

if the child does not define a normaln define the estimated normal instead

Constructor & Destructor Documentation

◆ SDFEstimateNormal()

SDFEstimateNormal::SDFEstimateNormal ( SDFNode * node)
explicit

Create an estimator for normals.

Parameters
nodeSub-tree.

Member Function Documentation

◆ GetGradientShader()

QString SDFEstimateNormal::GetGradientShader ( 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.

◆ GetShader()

QString SDFEstimateNormal::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.

◆ Memory()

int SDFEstimateNormal::Memory ( ) const
virtual

Return the size of a sub-tree.

Reimplemented from SDFNode.

◆ Signed()

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

Compute the signed distance.

Parameters
pPoint.

Reimplemented from SDFUnary.