org.apache.commons.math.analysis.interpolation
Class MicrosphereInterpolatingFunction
java.lang.Object
org.apache.commons.math.analysis.interpolation.MicrosphereInterpolatingFunction
- All Implemented Interfaces:
- MultivariateRealFunction
public class MicrosphereInterpolatingFunction
- extends Object
- implements MultivariateRealFunction
Interpolating function that implements the
Microsphere Projection.
- Version:
- $Revision: 825919 $ $Date: 2009-10-16 10:51:55 -0400 (Fri, 16 Oct 2009) $
Method Summary |
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 |
MicrosphereInterpolatingFunction
public MicrosphereInterpolatingFunction(double[][] xval,
double[] yval,
int brightnessExponent,
int microsphereElements,
UnitSphereRandomVectorGenerator rand)
throws DimensionMismatchException,
IllegalArgumentException
- 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 pointsbrightnessExponent
- 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
.
IllegalArgumentException
- if there are no data (xval null or zero length)
value
public double value(double[] point)
- Description copied from interface:
MultivariateRealFunction
- Compute the value for the function at the given point.
- Specified by:
value
in interface MultivariateRealFunction
- Parameters:
point
- Interpolation point.
- Returns:
- the interpolated value.
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