org.openjump.core.attributeoperations.statistics

Class PunktScaler

java.lang.Object

org.openjump.core.attributeoperations.statistics.PunktScaler

All Implemented Interfaces:

ScaleChanger

public class PunktScaler
extends java.lang.Object
implements ScaleChanger

class to scale the "coordinates" of a punkt object, often needed for statistical calculations. Scales the given "coordinates" to values between 0 and 1.

See Also:

modified: [sstein]: 16.Feb.2009 changed logger-entries to comments

Field Summary

Fields

Modifier and Type	Field and Description
protected int	dimension
protected double[]	mins
protected double[]	ranges

Constructor Summary

Constructors

Constructor and Description
PunktScaler(int dimension, double[] mins, double[] ranges)
PunktScaler(PirolPoint[] punktArray)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	getValuesFromArray(PirolPoint[] array)
double	scale(double value, int dimension)
double	unScale(double value, int dimension)

Methods inherited from class java.lang.Object

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

Field Detail

dimension

protected int dimension

mins

protected double[] mins

ranges

protected double[] ranges

Constructor Detail

PunktScaler

public PunktScaler(int dimension,
           double[] mins,
           double[] ranges)

PunktScaler

public PunktScaler(PirolPoint[] punktArray)

Method Detail

getValuesFromArray

protected void getValuesFromArray(PirolPoint[] array)
                           throws java.lang.Exception

Throws:

java.lang.Exception

scale

public double scale(double value,
           int dimension)

Specified by:

scale in interface ScaleChanger

unScale

public double unScale(double value,
             int dimension)

Specified by:

unScale in interface ScaleChanger