Nurbs Struct Reference

Represents one NURBS curve. More...

#include <curved.h>

List of all members.

Public Member Functions
	Nurbs ()
void	unref ()
Public Attributes
int	degree
	curve degree (2=quadratic, etc.)
int	np
	number of control points
double3 *	pt
	control points and their weights
int	nk
	knot vector length
double *	kv
	knot vector
int	ref
	reference counter (the structure is deleted when this reaches zero)
bool	twin
	true on internal curved edges for the second (artificial) Nurbs
bool	arc
	true if this is in fact a circular arc
double	angle
	arc angle

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Detailed Description

Represents one NURBS curve.

The structure Nurbs defines one curved edge, or, more precisely, the control points and other data for one NURBS curve.

A good introduction to NURBS curves can be found here.

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Constructor & Destructor Documentation

Nurbs::Nurbs

(

)

[inline]

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Member Function Documentation

void Nurbs::unref

(

)

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Member Data Documentation

double Nurbs::angle

arc angle

bool Nurbs::arc

true if this is in fact a circular arc

int Nurbs::degree

curve degree (2=quadratic, etc.)

double* Nurbs::kv

knot vector

int Nurbs::nk

knot vector length

int Nurbs::np

number of control points

double3* Nurbs::pt

control points and their weights

int Nurbs::ref

reference counter (the structure is deleted when this reaches zero)

bool Nurbs::twin

true on internal curved edges for the second (artificial) Nurbs

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The documentation for this struct was generated from the following files:

• /var/www2/hermes2d/hermes2d/src/curved.h
• /var/www2/hermes2d/hermes2d/src/curved.cpp