igeo
Class IBSplineBasisFunction

java.lang.Object
  igeo.IBSplineBasisFunction

public class IBSplineBasisFunction
extends java.lang.Object

Implementation of Bernstein polynomial for NURBS geometry.

Nested Class Summary

class

IBSplineBasisFunction.IBSplineBasisSubFunction Implementation of sub-indexed Bernstein polynominal for NURBS geometry.

Field Summary

int	degree
IBSplineBasisFunction.IBSplineBasisSubFunction[]	functions
double[]	knots

Constructor Summary

IBSplineBasisFunction(IBSplineBasisFunction bf)

IBSplineBasisFunction(int degree, double[] knots)

Method Summary

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)