scenic.filter
Class SeparableKernel

java.lang.Object
  scenic.filter.Kernel
      scenic.filter.SeparableKernel

Direct Known Subclasses:

BoxKernel, CubicKernel, TentKernel

public abstract class SeparableKernel
extends Kernel

Abstract base class for separable filter kernels.

Constructor Summary

SeparableKernel()

Method Summary

abstract double	getValue(double x)
double	getValue(double x, double y) Returns the value of the filter kernel at the given point.

Methods inherited from class scenic.filter.Kernel

createImage

Methods inherited from class java.lang.Object

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

Constructor Detail

SeparableKernel

public SeparableKernel()

Method Detail

getValue

public abstract double getValue(double x)

getValue

public double getValue(double x,
                       double y)

Description copied from class: Kernel

Returns the value of the filter kernel at the given point. The filter kernel is defined in the range [-0.5 0.5] for both x and y axis. Values outside that range are ignored. Integral over the defined range should be 1.

Specified by:

getValue in class Kernel

Parameters:

x - x coordinate, in the range [-0.5 0.5]

y - y coordinate, in the range [-0.5 0.5]

Returns:

value of the filter kernel at point (x, y)