haberman.rhizomatics.data

Class LowPassFilter

java.lang.Object

haberman.rhizomatics.data.LowPassFilter

class LowPassFilter
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
private double	a
private boolean	initialized
private double	s
private double	y

Constructor Summary

Constructors

Constructor and Description
LowPassFilter(double alpha)

Method Summary

Modifier and Type	Method and Description
private double	filter(double value)
double	filterWithAlpha(double value, double alpha)
boolean	hasLastRawValue()
private void	init(double alpha, double initval)
double	lastRawValue()
private void	setAlpha(double alpha)

Methods inherited from class java.lang.Object

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

Field Detail

y

private double y

a

private double a

s

private double s

initialized

private boolean initialized

Constructor Detail

LowPassFilter

public LowPassFilter(double alpha)
              throws java.lang.Exception

Throws:

java.lang.Exception

Method Detail

init

private void init(double alpha,
                  double initval)
           throws java.lang.Exception

Throws:

java.lang.Exception

setAlpha

private void setAlpha(double alpha)
               throws java.lang.Exception

Throws:

java.lang.Exception

filterWithAlpha

public double filterWithAlpha(double value,
                              double alpha)
                       throws java.lang.Exception

Throws:

java.lang.Exception

filter

private double filter(double value)

hasLastRawValue

public boolean hasLastRawValue()

lastRawValue

public double lastRawValue()