SmoothSegment Class Reference

A segment skeleton with a quadric or cubic falloff. More...

#include <smooth.h>

Inheritance diagram for SmoothSegment:

Public Member Functions
	SmoothSegment (const Vector &, const Vector &, const double &, const double &=1.0, bool=true)
	Create a smooth segment.
double	Value (const Vector &) const
	Compute the intensity.
double	Radius () const
	Return the radius.
Box	GetBox () const
	Compute the bounding box.

Protected Attributes
double	r = 0.0
	Falloff radius.
double	s = 1.0
	Intensity.
bool	cubic = true
	Cubic falloff, or quadric falloff.
Protected Attributes inherited from Segment
Vector	b = Vector::Z
	End vertices of the segment.

Additional Inherited Members
Protected Member Functions inherited from Segment
	Segment ()
	Empty.
	Segment (const Vector &, const Vector &)
	Creates a segment given its end vertices.
	~Segment ()
	Empty.
void	Rotate (const Matrix &)
	Rotates a segment.
void	Translate (const Vector &)
	Translates a segment.
void	Scale (const double &)
	Uniformly scales a segment.
Segment	Translated (const Vector &) const
	Translates a segment.
Segment	Scaled (const Vector &) const
	Scales a segment.
Segment	Scaled (const double &) const
	Uniformly scales a segment.
Segment	Rotated (const Matrix &) const
	Rotates a segment.
Segment	InverseTransformed (const Frame &) const
	Inverse transformation.
Quadric	Equation (const Ray &) const
	Computes the polynomial equation of the Euclidean distance between a ray and the line corresponding to the segment.
Vector	Vertex (int) const
	Return one of the end vertex of the axis.
Vector &	Vertex (int)
	Return one of the end vertex of the axis.
Vector	VertexAt (const double &) const
	Compute a point on the segment.
Vector	Center () const
	Compute the center of the segment.
bool	Intersect (const Box &) const
	Check if a segment intersects a box.
Vector	GetAxis () const
	Returns the normalized axis vector.
Box	GetBox () const
	Compute the bounding box of the segment.
double	Length () const
	Return axis length.
double	R (const Vector &) const
	Compute the squared distance to the segment.
double	R (const Vector &, double &) const
	Compute the squared distance to the segment.
double	R (const Segment &) const
	Compute the squared distance between two segments.
Vector	Normal (const Vector &) const
	Compute the normal vector between a point and its projection onto the segment.
bool	Equal (const Segment &, const double &) const
	Test if two segments are almost equal.
Static Protected Member Functions inherited from Segment
static Quadric	EdgeEquation (const Ray &, const Vector &, const Vector &, const Vector &)
	Compute the polynomial equation of the distance function along the ray.
static Vector	Intersect (const Vector &, const Vector &, const double, const double, double=0.0)
	Compute the intersection between the line f(x)=y and a line such that f(a)=va and f(b)=vb, on the segment ab.

Detailed Description

A segment skeleton with a quadric or cubic falloff.

It uses either the cubic Cubic::SmoothCompact or Quadric::SmoothCompact falloff function.

See also

SmoothVertex

Constructor & Destructor Documentation

SmoothSegment()

SmoothSegment::SmoothSegment ( const Vector & a, const Vector & b, const double & r, const double & s = 1.0, bool cubic = true )

explicit

Create a smooth segment.

Parameters

a,b	Vertexes of the segment.
r	Falloff radius.
s	Intensity.
cubic	Cubic flag, set to true to use cubic falloff, quadric otherwise.

Member Function Documentation

Value()

double SmoothSegment::Value

(

const Vector &

p

)

const

Compute the intensity.

Parameters

p

Point.