de.lmu.ifi.dbs.elki.index.tree.metrical.covertree

Class AbstractCoverTree.Factory.Parameterizer<O>

java.lang.Object

de.lmu.ifi.dbs.elki.utilities.optionhandling.AbstractParameterizer

de.lmu.ifi.dbs.elki.index.tree.metrical.covertree.AbstractCoverTree.Factory.Parameterizer<O>

All Implemented Interfaces:

Parameterizer

Direct Known Subclasses:

CoverTree.Factory.Parameterizer, SimplifiedCoverTree.Factory.Parameterizer

Enclosing class:

AbstractCoverTree.Factory<O,I extends AbstractCoverTree<O>>

public abstract static class AbstractCoverTree.Factory.Parameterizer<O>
extends AbstractParameterizer

Parameterization class.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
static OptionID	DISTANCE_FUNCTION_ID Parameter to specify the distance function to determine the distance between database objects, must extend DistanceFunction.
protected DistanceFunction<? super O>	distanceFunction Holds the instance of the trees distance function.
protected double	expansion Expansion rate.
static OptionID	EXPANSION_ID Expansion rate of the tree (going upward).
protected int	truncate Truncate the tree.
static OptionID	TRUNCATE_ID Truncate branches when they have less than this number of instances.

Constructor Summary

Constructors

Constructor and Description
AbstractCoverTree.Factory.Parameterizer()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	makeOptions(Parameterization config) Add all options.

Methods inherited from class de.lmu.ifi.dbs.elki.utilities.optionhandling.AbstractParameterizer

configure, make, makeInstance

Methods inherited from class java.lang.Object

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

Field Detail

DISTANCE_FUNCTION_ID

public static final OptionID DISTANCE_FUNCTION_ID

Parameter to specify the distance function to determine the distance between database objects, must extend DistanceFunction.

Key: -covertree.distancefunction

TRUNCATE_ID

public static final OptionID TRUNCATE_ID

Truncate branches when they have less than this number of instances.

Key: -covertree.truncate

EXPANSION_ID

public static final OptionID EXPANSION_ID

Expansion rate of the tree (going upward).

Key: -covertree.expansionrate
Default: 1.3

distanceFunction

protected DistanceFunction<? super O> distanceFunction

Holds the instance of the trees distance function.

truncate

protected int truncate

Truncate the tree.

expansion

protected double expansion

Expansion rate.

Constructor Detail

AbstractCoverTree.Factory.Parameterizer

public AbstractCoverTree.Factory.Parameterizer()

Method Detail

makeOptions

protected void makeOptions(Parameterization config)

Description copied from class: AbstractParameterizer

Add all options. ALWAYS call super.makeOptions(config), unless you have a strong reason to do otherwise!

Overrides:

makeOptions in class AbstractParameterizer

Parameters:

config - Parameterization to add options to.