Blob 1.0
TreePolygon Class Reference

Convex polygonal skeletal primitive. More...

#include <blobtree.h>

Inheritance diagram for TreePolygon:
TreeNormal TreeElement TreeNode

Public Member Functions

 TreePolygon (Vector *, int, BlendCompact *)
 Creates a polygonal skeletal element.
virtual ~TreePolygon ()
 Destroy a polygonal element.
virtual TreeNodeCopy () const
 Create a deep copy of the polygonal element.
int Memory () const
 Compute the size of a node.
virtual QString Show (int=0) const
 Show the tree hierarchy.
Public Member Functions inherited from TreeNormal
 TreeNormal (BlendCompact *=nullptr)
 Creates a skeletal element given a blending function.
virtual ~TreeNormal ()
 Destroys a skeletal element.
virtual double R (const Vector &) const
 Computes the squared Euclidean distance to the skeleton.
virtual double Intensity (const Vector &) const
 Compute the intensity at a given point.
virtual Vector Gradient (const Vector &) const
 Compute the gradient at a given point.
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.
virtual double K (const Segment &) const
 Compute the Lipschitz constant on a segment.
virtual double K (const RayStep &) const
 Compute the Lipschitz constant on a segment.
virtual double K (const Sphere &) const
 Compute the Lipschitz constant inside a sphere.
Public Member Functions inherited from TreeElement
 TreeElement (BlendCompact *=nullptr)
 Creates a new element given a blending function.
virtual ~TreeElement ()
 Destroys an element.
double K () const
 Returns the Lipschitz constant of the element.
double K (const Box &) const
 Returns a local Lipschitz constant within a box domain.
double K (const Ray &) const
 Returns a local Lipschitz constant along a ray.
TreeNodeCut (const Box &) const
 Cuts the node to simplify its structure inside a box.
Public Member Functions inherited from TreeNode
 TreeNode ()
 Create a virtual node of the Blob-Tree structure.
virtual ~TreeNode ()
 Destroys a node.
virtual double Omega (const Vector &) const
 Return the squared distance to the compact support of the node.
virtual TreeNodeBlend (TreeNode *)
 Insert a blending node that blends the old and the new sub-tree together.
virtual TreeNodeUnion (TreeNode *)
 Insert a union node that unions the old and the new sub-tree together.
virtual TreeNodeDifference (TreeNode *)
 Insert a difference node.
virtual TreeNodeTranslate (const Vector &)
 Insert a translation node.
virtual TreeNodeRotate (const Matrix &)
 Insert a rotation node.
virtual TreeNodeScale (const Vector &)
 Insert a scaling node.
Box GetBox () const
 Return the bounding box of the node.
virtual void SetThreshold (const double &)
 Set the threshold value.
virtual Color GetMaterial (const Vector &, const Vector &=Vector::Null) const
 Gets the color of a node at a point.
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.

Protected Attributes

Vectorp
 Array of vertices.
int n
 Number of vertices.
Protected Attributes inherited from TreeElement
BlendCompactblend = nullptr
 Falloff function.
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

Convex polygonal skeletal primitive.

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Constructor & Destructor Documentation

◆ TreePolygon()

TreePolygon::TreePolygon ( Vector * u,
int n,
BlendCompact * blend )

Creates a polygonal skeletal element.

Parameters
uAn array of vertices.
nSize of array.
blendFalloff function.

Member Function Documentation

◆ Show()

QString TreePolygon::Show ( int space = 0) const
virtual

Show the tree hierarchy.

Parameters
spaceNumber of spaces.

Reimplemented from TreeNode.