LowPassFilter Class Reference

Exponential low-pass filter used as the building block of OneEuroFilter. More...

#include <OneEuroFilter.h>

Public Member Functions
float	filter (float value, float alpha)
	Feeds one sample through the filter.
float	lastValue () const
void	reset ()
	Forgets all history; the next filter() call returns its input unchanged.

Detailed Description

Exponential low-pass filter used as the building block of OneEuroFilter.

Definition at line 35 of file OneEuroFilter.h.

Constructor & Destructor Documentation

LowPassFilter()

LowPassFilter::LowPassFilter ( )

inline

Definition at line 37 of file OneEuroFilter.h.

Member Function Documentation

filter()

float LowPassFilter::filter ( float value, float alpha )

inline

Feeds one sample through the filter.

Parameters

value	Raw input sample
alpha	Smoothing factor, 0-1 (1 = no smoothing). The first sample is returned unchanged.

Returns

the filtered value

Definition at line 43 of file OneEuroFilter.h.

lastValue()

float LowPassFilter::lastValue ( ) const

inline

Returns

the most recently filtered value

Definition at line 54 of file OneEuroFilter.h.

reset()

void LowPassFilter::reset ( )

inline

Forgets all history; the next filter() call returns its input unchanged.

Definition at line 56 of file OneEuroFilter.h.

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The documentation for this class was generated from the following file:

• source/drivers/OneEuroFilter.h