skyview.util
Class LogScaler

java.lang.Object
  skyview.util.Scaler
      skyview.util.LogScaler

public class LogScaler
extends Scaler

Scale an object linearly.

Constructor Summary

LogScaler()
Provide default scaler that positive values will scale the array logarithmically between 0-255.

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

Method Summary

protected void	prepareScaling(double[] c) Prepare to scale the data
protected byte	scale(double val) Scale an value.

Methods inherited from class skyview.util.Scaler

getMaxOutput, getMaxVal, getMinOutput, getMinVal, getUseDefault, scaleArray, setMaxVal, setMinMax, setMinVal

Methods inherited from class java.lang.Object

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

Constructor Detail

LogScaler

public LogScaler()

Provide default scaler that positive values will scale the array logarithmically between 0-255.

LogScaler

public LogScaler(double minVal,
                 double maxVal,
                 int minOutput,
                 int maxOutput,
                 boolean scaleNegative)

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

Method Detail

prepareScaling

protected void prepareScaling(double[] c)

Prepare to scale the data

Specified by:

prepareScaling in class Scaler

Parameters:

c - Array to be scaled.

scale

protected byte scale(double val)

Scale an value.

Specified by:

scale in class Scaler

Parameters:

val - The value to be scaled.