Surface of revolution with a quadric profile curve. More...
#include <blobtree.h>
Inheritance diagram for TreeQuadric:
Public Member Functions | |
| TreeQuadric (const Vector &, const Vector &, const Quadric &, const Quadric &, BlendCompact *) | |
| Creates a surface of revolution based on a quadric parametric profile curve. More... | |
| virtual | ~TreeQuadric () |
| Destroys the primitive. | |
| double | Intensity (const Vector &) const |
| Compute the intensity at a given point. More... | |
| virtual TreeNode * | Copy () const |
| Creates a deep copy of curve element. | |
| int | Memory () const |
| Compute the size of a node. | |
| TreeNode * | Rotate (const Matrix &) |
| Rotates a node in the BlobTree. More... | |
| TreeNode * | Translate (const Vector &) |
| Translate a quadric node. More... | |
| TreeNode * | Scale (const Vector &) |
| Scale a quadric node. | |
 Public Member Functions inherited from TreeNormal | |
| TreeNormal (BlendCompact *=nullptr) | |
| Creates a skeletal element given a blending function. | |
| virtual | ~TreeNormal () |
| Destroys a skeletal element. | |
| virtual Vector | Gradient (const Vector &) const |
| Compute the gradient at a given point. More... | |
| virtual void | IntensityGradient (const Vector &, double &, Vector &) const |
| Compute the field value and the gradient of the field function at a given point in space. More... | |
| virtual double | K (const Segment &) const |
| Compute the Lipschitz constant on a segment. More... | |
| virtual double | K (const RayStep &) const |
| Compute the Lipschitz constant on a segment. More... | |
| virtual double | K (const Sphere &) const |
| Compute the Lipschitz constant inside a sphere. More... | |
| Public Member Functions inherited from TreeElement | |
| TreeElement (BlendCompact *=nullptr) | |
| Creates a new element given a blending function. | |
| virtual | ~TreeElement () |
| Destroys an element. More... | |
| double | K () const |
| Returns the Lipschitz constant of the element. More... | |
| double | K (const Box &) const |
| Returns a local Lipschitz constant within a box domain. More... | |
| double | K (const Ray &) const |
| Returns a local Lipschitz constant along a ray. More... | |
| TreeNode * | Cut (const Box &) const |
| Cuts the node to simplify its structure inside a box. More... | |
| Public Member Functions inherited from TreeNode | |
| TreeNode () | |
| Create a virtual node of the Blob-Tree structure. | |
| virtual | ~TreeNode () |
| Destroys a node. | |
| virtual TreeNode * | Blend (TreeNode *) |
| Insert a blending node that blends the old and the new sub-tree together. More... | |
| virtual TreeNode * | Union (TreeNode *) |
| Insert a union node that unions the old and the new sub-tree together. More... | |
| virtual TreeNode * | Difference (TreeNode *) |
| Insert a difference node. More... | |
| Box | GetBox () const |
| Return the bounding box of the node. | |
| virtual void | SetThreshold (const double &) |
| Set the threshold value. More... | |
| virtual Color | GetMaterial (const Vector &, const Vector &=Vector::Null) const |
| Gets the color of a node at a point. More... | |
| virtual int | Nodes () const |
| Compute the number of nodes of the sub-tree. | |
| virtual int | Depth () const |
| Compute the dpeth of the sub-tree. | |
| virtual Vector | Dichotomy (Vector, Vector, double, double, double, const double &=1.0e-4) |
| Compute the intersection between the implicit surface and a segment. More... | |
Protected Attributes | |
| Quadric | y |
| Quadric profile curves. | |
| Quadric | xy |
| Precomputed coefficients. | |
| Protected Attributes inherited from TreeNode | |
| Box | box = Box::Null |
| Bounding box of the node. | |
| double | T = 0.5 |
| Threshold value. | |
Additional Inherited Members | |
| Static Protected Attributes inherited from TreeNode | |
| static const double | Epsilon = 1e-6 |
| Epsilon value for gradient computation. | |
Detailed Description
Surface of revolution with a quadric profile curve.
The evaluation of the field function at a given point in space is computationally less expensive than the TreeCubic primitive: the computation of the distance to the skeleton requires finding the roots of a cubic only.
- See also
- TreeCubic ,
Constructor & Destructor Documentation
◆ TreeQuadric()
|
explicit |
Creates a surface of revolution based on a quadric parametric profile curve.
- Parameters
-
a,b Axis vertices. x,y Parametric equation of the quadric profile curve. blend Falloff function.
Member Function Documentation
◆ Intensity()
|
virtual |
◆ Rotate()
Rotates a node in the BlobTree.
Instead of inserting a rotation node in the tree,mm simply updates the center.
- Parameters
-
r Rotation matrix.
Reimplemented from TreeNode.
