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java.lang.Objectorg.apache.commons.math.analysis.interpolation.MicrosphereInterpolator
public class MicrosphereInterpolator
Interpolator that implements the algorithm described in William Dudziak's MS thesis
| Field Summary | |
|---|---|
static int |
DEFAULT_BRIGHTNESS_EXPONENT
Default exponent used the weights calculation. |
static int |
DEFAULT_MICROSPHERE_ELEMENTS
Default number of surface elements that composes the microsphere. |
| Constructor Summary | |
|---|---|
MicrosphereInterpolator()
Create a microsphere interpolator with default settings. |
|
MicrosphereInterpolator(int microsphereElements,
int brightnessExponent)
Create a microsphere interpolator. |
|
| Method Summary | |
|---|---|
MultivariateRealFunction |
interpolate(double[][] xval,
double[] yval)
Computes an interpolating function for the data set. |
void |
setBrightnessExponent(int brightnessExponent)
Set the brightness exponent. |
void |
setMicropshereElements(int elements)
Set the number of microsphere elements. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public static final int DEFAULT_MICROSPHERE_ELEMENTS
public static final int DEFAULT_BRIGHTNESS_EXPONENT
| Constructor Detail |
|---|
public MicrosphereInterpolator()
Calling this constructor is equivalent to call MicrosphereInterpolator(MicrosphereInterpolator.DEFAULT_MICROSPHERE_ELEMENTS,
MicrosphereInterpolator.DEFAULT_BRIGHTNESS_EXPONENT).
public MicrosphereInterpolator(int microsphereElements,
int brightnessExponent)
microsphereElements - number of surface elements of the microspherebrightnessExponent - exponent used in the power law that computes the
weights of the sample data
IllegalArgumentException - if microsphereElements <= 0
or brightnessExponent < 0| Method Detail |
|---|
public MultivariateRealFunction interpolate(double[][] xval,
double[] yval)
throws MathException,
IllegalArgumentException
interpolate in interface MultivariateRealInterpolatorxval - 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 d is thus the dimension of the space).yval - the values for the interpolation points
MathException - if arguments violate assumptions made by the
interpolation algorithm or some dimension mismatch occurs
IllegalArgumentException - if there are no data (xval null or zero length)public void setBrightnessExponent(int brightnessExponent)
brightnessExponent - Exponent for computing the distance dimming
factor.
IllegalArgumentException - if brightnessExponent < 0.public void setMicropshereElements(int elements)
elements - Number of surface elements of the microsphere.
IllegalArgumentException - if microsphereElements <= 0.
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