skyview.util
Class Scaler

java.lang.Object
  skyview.util.Scaler

Direct Known Subclasses:

HistScaler, LinearScaler, LogScaler, SqrtScaler

public abstract class Scaler
extends java.lang.Object

Scale an object.

Constructor Summary

Scaler()
Provide default scaler.

Scaler(double minVal, double maxVal, int minOutput, int maxOutput)
Provide a scaler with a specified scaling range to a specified range of bytes.

Method Summary

protected int	getMaxOutput()
protected double	getMaxVal()
protected int	getMinOutput()
protected double	getMinVal()
protected boolean	getUseDefault()
protected abstract void	prepareScaling(double[] array) Get ready for scaling in this particular instance.
protected abstract byte	scale(double val) Scale a single number.
java.lang.Object	scaleArray(java.lang.Object array) Scale an array assumed to be a double array of arbitrary dimensionality.
protected void	setMaxVal(double maxVal)
protected void	setMinMax(double[] c)
protected void	setMinVal(double minVal)

Methods inherited from class java.lang.Object

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

Constructor Detail

Scaler

public Scaler()

Provide default scaler.

Scaler

public Scaler(double minVal,
              double maxVal,
              int minOutput,
              int maxOutput)

Provide a scaler with a specified scaling range to a specified range of bytes.

Method Detail

getUseDefault

protected boolean getUseDefault()

getMinVal

protected double getMinVal()

getMaxVal

protected double getMaxVal()

getMinOutput

protected int getMinOutput()

getMaxOutput

protected int getMaxOutput()

setMinVal

protected void setMinVal(double minVal)

setMaxVal

protected void setMaxVal(double maxVal)

scaleArray

public java.lang.Object scaleArray(java.lang.Object array)

Scale an array assumed to be a double array of arbitrary dimensionality.

setMinMax

protected void setMinMax(double[] c)

prepareScaling

protected abstract void prepareScaling(double[] array)

Get ready for scaling in this particular instance.

scale

protected abstract byte scale(double val)

Scale a single number.