org.apache.commons.math3.analysis.interpolation

Class MicrosphereInterpolatingFunction

java.lang.Object

org.apache.commons.math3.analysis.interpolation.MicrosphereInterpolatingFunction

All Implemented Interfaces:

MultivariateFunction

public class MicrosphereInterpolatingFunction
extends Object
implements MultivariateFunction

Interpolating function that implements the Microsphere Projection.

Version:

$Id: MicrosphereInterpolatingFunction.java 1244107 2012-02-14 16:17:55Z erans $

Constructor Summary

Constructors

Constructor and Description
MicrosphereInterpolatingFunction(double[][] xval, double[] yval, int brightnessExponent, int microsphereElements, UnitSphereRandomVectorGenerator rand)

Method Summary

Methods

Modifier and Type	Method and Description
double	value(double[] point) Compute the value for the function at the given point.

Methods inherited from class java.lang.Object

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

Constructor Detail

MicrosphereInterpolatingFunction

public MicrosphereInterpolatingFunction(double[][] xval,
                                double[] yval,
                                int brightnessExponent,
                                int microsphereElements,
                                UnitSphereRandomVectorGenerator rand)

Parameters:

xval - the arguments for the interpolation points. xval[i][0] is the first component of interpolation point i, xval[i][1] is the second component, and so on until xval[i][d-1], the last component of that interpolation point (where dimension is thus the dimension of the sampled space).

yval - the values for the interpolation points

brightnessExponent - Brightness dimming factor.

microsphereElements - Number of surface elements of the microsphere.

rand - Unit vector generator for creating the microsphere.

Throws:

DimensionMismatchException - if the lengths of yval and xval (equal to n, the number of interpolation points) do not match, or the the arrays xval[0] ... xval[n], have lengths different from dimension.

NoDataException - if there an array has zero-length.

NullArgumentException - if an argument is null.

Method Detail

value

public double value(double[] point)

Description copied from interface: MultivariateFunction

Compute the value for the function at the given point.

Specified by:

value in interface MultivariateFunction

Parameters:

point - Interpolation point.

Returns:

the interpolated value.