Wyvill's cubic falloff function. More...
#include <blend.h>
Inheritance diagram for BlendWyvill:
Public Member Functions | |
| BlendWyvill (const double &, const double &=1.0) | |
| Creates Wyvill's cubic falloff function. More... | |
| virtual | ~BlendWyvill () |
| Empty. | |
| virtual BlendWyvill * | Copy () const |
| Deep copy. | |
 Public Member Functions inherited from BlendCubic | |
| BlendCubic (const double &, const double &=1.0) | |
| Creates a cubic polynomial potential function. More... | |
| virtual double | Eval (const double &) const |
| Computes the falloff function value. More... | |
| virtual double | Gradient (const double &) const |
| Computes the first derivative of the falloff function. More... | |
| virtual double | K (const double &, const double &) const |
| Returns the Lipschitz constant of the blend. More... | |
| virtual void | Scale (const double &) |
| Scales the radius if the blending function. More... | |
| virtual void | Alpha (const double &) |
| Scales the maximum intensity of the blending function. More... | |
| double | Radius (const double &) const |
| Computes the radius of the blend given a threshold value. More... | |
| void | Analytic (const Quadric &, Polynomial &) const |
| Compute the closed form expression of the field along the ray. More... | |
| virtual double | K () const |
| Returns the Lipschitz constant. | |
| virtual double | K (const double &, const double &) const |
| Returns the Lipschitz constant of the blend. | |
| Public Member Functions inherited from BlendAnalytic | |
| BlendAnalytic () | |
| Empty. | |
| BlendAnalytic (const double &, const double &) | |
| Stores the radius of influence and the strength (maximum intensity). More... | |
| virtual | ~BlendAnalytic () |
| Empty. | |
| Public Member Functions inherited from BlendCompact | |
| BlendCompact () | |
| Empty. | |
| BlendCompact (const double &, const double &) | |
| Stores the radius of influence and the strength (maximum intensity). More... | |
| virtual | ~BlendCompact () |
| Empty. | |
| double | R () const |
| Returns the radius of the blend. | |
| double | I () const |
| Returns the strength (maximum intensity) of the blend. | |
| virtual int | Memory () const |
| Compute the size of a falloff node. | |
Additional Inherited Members | |
| Protected Attributes inherited from BlendCubic | |
| Cubic | blend |
| Cubic polynomial blending function. | |
| Protected Attributes inherited from BlendCompact | |
| double | r [2] = { 1.0,1.0 } |
| Radius and squared radius. | |
| double | strength = 1.0 |
| Strength, i.e., maximum intensity. | |
| double | k = 1.0 |
| Lipschitz constant. | |
Detailed Description
Wyvill's cubic falloff function.
The cubic is defined as p(r)=-4/9 r3+17/9 r2-22/9 r+1.
Constructor & Destructor Documentation
◆ BlendWyvill()
|
explicit |
Creates Wyvill's cubic falloff function.
- Parameters
-
r Radius. s Strength.
