de.lmu.ifi.dbs.elki.index.preprocessed.knn

Class SpacefillingKNNPreprocessor.Factory<V extends NumberVector>

java.lang.Object

de.lmu.ifi.dbs.elki.index.preprocessed.knn.SpacefillingKNNPreprocessor.Factory<V>

Type Parameters:

V - Vector type

All Implemented Interfaces:

IndexFactory<V,SpacefillingKNNPreprocessor<V>>

Enclosing class:

SpacefillingKNNPreprocessor<O extends NumberVector>

public static class SpacefillingKNNPreprocessor.Factory<V extends NumberVector>
extends Object
implements IndexFactory<V,SpacefillingKNNPreprocessor<V>>

Index factory class

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SpacefillingKNNPreprocessor.Factory.Parameterizer Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) List<SpatialSorter>	curvegen Spatial curve generators
(package private) int	odim Number of dimensions to use.
(package private) RandomProjectionFamily	proj Random projection family to use.
(package private) RandomFactory	random Random number generator.
(package private) int	variants Number of variants to generate for each curve
(package private) double	window Curve window size

Constructor Summary

Constructors

Constructor and Description
SpacefillingKNNPreprocessor.Factory(List<SpatialSorter> curvegen, double window, int variants, int odim, RandomProjectionFamily proj, RandomFactory random) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
TypeInformation	getInputTypeRestriction() Get the input type restriction used for negotiating the data query.
SpacefillingKNNPreprocessor<V>	instantiate(Relation<V> relation) Sets the database in the distance function of this index (if existing).

Methods inherited from class java.lang.Object

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

Field Detail

curvegen

List<SpatialSorter> curvegen

Spatial curve generators

window

double window

Curve window size

variants

int variants

Number of variants to generate for each curve

odim

int odim

Number of dimensions to use.

proj

RandomProjectionFamily proj

Random projection family to use.

random

RandomFactory random

Random number generator.

Constructor Detail

SpacefillingKNNPreprocessor.Factory

public SpacefillingKNNPreprocessor.Factory(List<SpatialSorter> curvegen,
                                   double window,
                                   int variants,
                                   int odim,
                                   RandomProjectionFamily proj,
                                   RandomFactory random)

Constructor.

Parameters:

curvegen - Curve generators

window - Window multiplicator

variants - Number of curve variants to generate

odim - Number of dimensions to use -1 == all.

proj - Random projection family

random - Random number generator

Method Detail

instantiate

public SpacefillingKNNPreprocessor<V> instantiate(Relation<V> relation)

Description copied from interface: IndexFactory

Sets the database in the distance function of this index (if existing).

Specified by:

instantiate in interface IndexFactory<V extends NumberVector,SpacefillingKNNPreprocessor<V extends NumberVector>>

Parameters:

relation - the relation to index

getInputTypeRestriction

public TypeInformation getInputTypeRestriction()

Description copied from interface: IndexFactory

Get the input type restriction used for negotiating the data query.

Specified by:

getInputTypeRestriction in interface IndexFactory<V extends NumberVector,SpacefillingKNNPreprocessor<V extends NumberVector>>

Returns:

Type restriction