haberman.rhizomatics.data

Class OneEuroFilter

java.lang.Object

haberman.rhizomatics.data.OneEuroFilter

public class OneEuroFilter
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
private double	beta_
private double	dcutoff
private LowPassFilter	dx
private double	freq
private double	lasttime
private double	mincutoff
private static double	UndefinedTime
private LowPassFilter	x

Constructor Summary

Constructors

Modifier	Constructor and Description
	OneEuroFilter(double freq)
	OneEuroFilter(double freq, double mincutoff)
	OneEuroFilter(double freq, double mincutoff, double beta_)
private	OneEuroFilter(double freq, double mincutoff, double beta_, double dcutoff)

Method Summary

Modifier and Type	Method and Description
private double	alpha(double cutoff)
double	filter(double value)
private double	filter(double value, double timestamp)
private void	init(double freq, double mincutoff, double beta_, double dcutoff)
static void	main(java.lang.String[] args)
private void	setBeta(double b)
private void	setDerivateCutoff(double dc)
private void	setFrequency(double f)
private void	setMinCutoff(double mc)

Methods inherited from class java.lang.Object

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

Field Detail

UndefinedTime

private static final double UndefinedTime

See Also:

Constant Field Values

freq

private double freq

mincutoff

private double mincutoff

beta_

private double beta_

dcutoff

private double dcutoff

x

private LowPassFilter x

dx

private LowPassFilter dx

lasttime

private double lasttime

Constructor Detail

OneEuroFilter

public OneEuroFilter(double freq)
              throws java.lang.Exception

Throws:

java.lang.Exception

OneEuroFilter

public OneEuroFilter(double freq,
                     double mincutoff)
              throws java.lang.Exception

Throws:

java.lang.Exception

OneEuroFilter

public OneEuroFilter(double freq,
                     double mincutoff,
                     double beta_)
              throws java.lang.Exception

Throws:

java.lang.Exception

OneEuroFilter

private OneEuroFilter(double freq,
                      double mincutoff,
                      double beta_,
                      double dcutoff)
               throws java.lang.Exception

Throws:

java.lang.Exception

Method Detail

init

private void init(double freq,
                  double mincutoff,
                  double beta_,
                  double dcutoff)
           throws java.lang.Exception

Throws:

java.lang.Exception

setFrequency

private void setFrequency(double f)
                   throws java.lang.Exception

Throws:

java.lang.Exception

setMinCutoff

private void setMinCutoff(double mc)
                   throws java.lang.Exception

Throws:

java.lang.Exception

setBeta

private void setBeta(double b)

setDerivateCutoff

private void setDerivateCutoff(double dc)
                        throws java.lang.Exception

Throws:

java.lang.Exception

alpha

private double alpha(double cutoff)

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception

filter

private double filter(double value,
                      double timestamp)
               throws java.lang.Exception

Throws:

java.lang.Exception

filter

public double filter(double value)
              throws java.lang.Exception

Throws:

java.lang.Exception