ZeroFilter (leJOS EV3 API documentation)

java.lang.Object
- lejos.robotics.filter.AbstractFilter
- - lejos.robotics.filter.ZeroFilter

All Implemented Interfaces:

SampleProvider
```
public class ZeroFilter
extends AbstractFilter
```
Simple filter that adjusts the sample to use a specified zero value

Author:

Lawrie Griffiths

- Field Summary
  - Fields inherited from class lejos.robotics.filter.AbstractFilter
    sampleSize, source
- Constructor Summary
  
  Constructors
  Constructor Description
  
  ZeroFilter(SampleProvider source, float[] zeroValue)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  void fetchSample(float[] sample, int offset)
  Fetches a sample from a sensor or filter.
  - Methods inherited from class lejos.robotics.filter.AbstractFilter
    sampleSize
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ZeroFilter
```
public ZeroFilter(SampleProvider source,
                  float[] zeroValue)
```
- Method Detail
  - 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.