artisynth.core.femmodels

Class SplineBasis

java.lang.Object

artisynth.core.femmodels.SplineBasis

public class SplineBasis
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
SplineBasis(int degree, double... knotVector)
SplineBasis(SplineBasis s)

Method Summary

Modifier and Type	Method and Description
double	clamp(double u)
double[]	computeBasisFunction(double x)
double[]	computeBasisFunctionGradient(double x)
double[]	computeBasisFunctionHessian(double x)
static double	computeGrevilleAbscissae(int controlPointIndex, int p, double... knots)
static double[]	generateKnotVectorUniform(int p, int n, boolean open)
static double[]	generateKnotVectorUniformClose(int p, int n_cp)
static double[]	generateKnotVectorUniformOpen(int p, int n_cp)
static SplineBasis	generateSplineBasisUniformOpen(int p, int n_cp)
int	getDegree()
int	getKnotVectorSize()
int	getNumberBasis()
int	getNumberNonZeroBasisPerKnotSpan()
int	getNumberZeroKnotSpanInRange(double u)
int	getNumberZeroKnotSpanInRange(int ku)
static void	main(java.lang.String[] args)
double	normalize(double u)
double	unnormalize(double u)

Methods inherited from class java.lang.Object

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

Constructor Detail

SplineBasis

public SplineBasis(int degree,
                   double... knotVector)

SplineBasis

public SplineBasis(SplineBasis s)

Method Detail

computeGrevilleAbscissae

public static double computeGrevilleAbscissae(int controlPointIndex,
                                              int p,
                                              double... knots)

generateSplineBasisUniformOpen

public static SplineBasis generateSplineBasisUniformOpen(int p,
                                                         int n_cp)

generateKnotVectorUniformOpen

public static double[] generateKnotVectorUniformOpen(int p,
                                                     int n_cp)

generateKnotVectorUniformClose

public static double[] generateKnotVectorUniformClose(int p,
                                                      int n_cp)

generateKnotVectorUniform

public static double[] generateKnotVectorUniform(int p,
                                                 int n,
                                                 boolean open)

computeBasisFunction

public double[] computeBasisFunction(double x)

computeBasisFunctionGradient

public double[] computeBasisFunctionGradient(double x)

computeBasisFunctionHessian

public double[] computeBasisFunctionHessian(double x)

getDegree

public int getDegree()

getKnotVectorSize

public int getKnotVectorSize()

unnormalize

public double unnormalize(double u)

normalize

public double normalize(double u)

getNumberNonZeroBasisPerKnotSpan

public int getNumberNonZeroBasisPerKnotSpan()

getNumberBasis

public int getNumberBasis()

getNumberZeroKnotSpanInRange

public int getNumberZeroKnotSpanInRange(int ku)

getNumberZeroKnotSpanInRange

public int getNumberZeroKnotSpanInRange(double u)

clamp

public double clamp(double u)

main

public static void main(java.lang.String[] args)