VectorDimensionalityFilter (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.datasource.filter.AbstractStreamFilter
- - elki.datasource.filter.cleaning.VectorDimensionalityFilter<V>

Type Parameters:

V - Vector type

All Implemented Interfaces:

BundleStreamSource, ObjectFilter, StreamFilter
```
public class VectorDimensionalityFilter<V extends NumberVector>
extends AbstractStreamFilter
```
Filter to remove all vectors that do not have the desired dimensionality.

Since:

0.7.0

Author:

Erich Schubert

Nested Class Summary
- Nested classes/interfaces inherited from interface elki.datasource.bundle.BundleStreamSource
  BundleStreamSource.Event

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) int`	`column`	The column to filter.
`(package private) int`	`dim`	Desired dimensionality.
`private static Logging`	`LOG`	Class logger.
`(package private) BundleMeta`	`meta`	The filtered meta.

Fields inherited from class elki.datasource.filter.AbstractStreamFilter
source

Constructor Summary

Constructors
Constructor Description

VectorDimensionalityFilter(int dim)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`data(int rnum)`	Access a particular object and representation.
`BundleMeta`	`getMeta()`	Get the current meta data.
`BundleStreamSource.Event`	`nextEvent()`	Get the next event
`private void`	`updateMeta()`	Update metadata.

Methods inherited from class elki.datasource.filter.AbstractStreamFilter
asMultipleObjectsBundle, assignDBID, filter, hasDBIDs, init, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - LOG
```
private static final Logging LOG
```
    Class logger.
  - meta
```
BundleMeta meta
```
    The filtered meta.
  - column
```
int column
```
    The column to filter.
  - dim
```
int dim
```
    Desired dimensionality.
- Constructor Detail
  - VectorDimensionalityFilter
```
public VectorDimensionalityFilter(int dim)
```
    Constructor.
    
    Parameters:
    
    dim - Dimensionality to enforce (use -1 to use the dimensionality of the first vector in the data set)
- Method Detail
  - getMeta
```
public BundleMeta getMeta()
```
    Description copied from interface: BundleStreamSource
    
    Get the current meta data.
    
    Returns:
    
    Metadata
  - data
```
public java.lang.Object data(int rnum)
```
    Description copied from interface: BundleStreamSource
    
    Access a particular object and representation.
    
    Parameters:
    
    rnum - Representation number
    
    Returns:
    
    Contained data
  - nextEvent
```
public BundleStreamSource.Event nextEvent()
```
    Description copied from interface: BundleStreamSource
    
    Get the next event
    
    Returns:
    
    Event type
  - updateMeta
```
private void updateMeta()
```
    Update metadata.