lejos.robotics.filter

Class SliceFilter

java.lang.Object

lejos.robotics.filter.AbstractFilter

lejos.robotics.filter.SliceFilter

All Implemented Interfaces:

SampleProvider

public class SliceFilter
extends AbstractFilter

Saimple filter to take a slice of another filter

Field Summary

Fields

Modifier and Type	Field and Description
private int	firstIndex
private int	lastIndex

Fields inherited from class lejos.robotics.filter.AbstractFilter

sampleSize, source

Constructor Summary

Constructors

Constructor and Description
SliceFilter(SampleProvider source, int firstIndex, int lastIndex)

Method Summary

Modifier and Type	Method and Description
void	fetchSample(float[] sample, int offset) Fetches a sample from a sensor or filter.
int	sampleSize() Returns the number of elements in a sample.

Methods inherited from class java.lang.Object

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

Field Detail

firstIndex

private int firstIndex

lastIndex

private int lastIndex

Constructor Detail

SliceFilter

public SliceFilter(SampleProvider source,
                   int firstIndex,
                   int lastIndex)

Method Detail

sampleSize

public int sampleSize()

Description copied from interface: SampleProvider

Returns the number of elements in a sample.
The number of elements does not change during runtime.

Specified by:

sampleSize in interface SampleProvider

Overrides:

sampleSize in class AbstractFilter

Returns:

the number of elements in a sample

fetchSample

public void fetchSample(float[] sample,
                        int offset)

Description copied from interface: SampleProvider

Fetches a sample from a sensor or filter.

Specified by:

fetchSample in interface SampleProvider

Overrides:

fetchSample in class AbstractFilter

Parameters:

sample - The array to store the sample in.

offset - The elements of the sample are stored in the array starting at the offset position.