igeo

Class IBSplineBasisFunction

java.lang.Object

igeo.IBSplineBasisFunction

public class IBSplineBasisFunction
extends java.lang.Object

Implementation of Bernstein polynomial for NURBS geometry.

Author:

Satoru Sugihara

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	IBSplineBasisFunction.IBSplineBasisSubFunction Implementation of sub-indexed Bernstein polynominal for NURBS geometry.

Field Summary

Fields

Modifier and Type	Field and Description
int	degree
IBSplineBasisFunction.IBSplineBasisSubFunction[]	functions
double[]	knots

Constructor Summary

Constructors

Constructor and Description
IBSplineBasisFunction(IBSplineBasisFunction bf)
IBSplineBasisFunction(int degree, double[] knots)

Method Summary

Methods

Modifier and Type	Method and Description
void	differentiate()
IBSplineBasisFunction	dup()
double[]	eval(double x)
double[]	eval(int index, double x)
IMatrix	getBezierMatrix(int i)
IMatrix[]	getMatrices()
IMatrix	getMatrix(int i)
int	index(double x)
void	init()
void	init(IBSplineBasisFunction bf)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

degree

public int degree

functions

public IBSplineBasisFunction.IBSplineBasisSubFunction[] functions

knots

public double[] knots

Constructor Detail

IBSplineBasisFunction

public IBSplineBasisFunction(int degree,
                     double[] knots)

IBSplineBasisFunction

public IBSplineBasisFunction(IBSplineBasisFunction bf)

Method Detail

dup

public IBSplineBasisFunction dup()

init

public void init(IBSplineBasisFunction bf)

init

public void init()

index

public int index(double x)

eval

public double[] eval(double x)

eval

public double[] eval(int index,
            double x)

differentiate

public void differentiate()

getMatrices

public IMatrix[] getMatrices()

getMatrix

public IMatrix getMatrix(int i)

getBezierMatrix

public IMatrix getBezierMatrix(int i)