de.lmu.ifi.dbs.elki.data.synthetic.bymodel

Class GeneratorStatic

java.lang.Object

de.lmu.ifi.dbs.elki.data.synthetic.bymodel.GeneratorStatic

All Implemented Interfaces:

GeneratorInterface

public class GeneratorStatic
extends java.lang.Object
implements GeneratorInterface

Class for static clusters, that is an implementation of GeneratorInterface that will return only a given set of points.

Since:

0.2

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.String	name Cluster name
java.util.List<double[]>	points Cluster points

Constructor Summary

Constructors

Constructor and Description
GeneratorStatic(java.lang.String name, java.util.List<double[]> points) Construct generator using given name and points

Method Summary

Modifier and Type	Method and Description
double[]	computeMean() Get the cluster mean vector.
java.util.List<double[]>	generate(int count) "Generate" new cluster points.
double	getDensity(double[] p) Get the density of the given vector
int	getDim() Get dimensionality of generated data
java.lang.String	getName() Get cluster name
int	getSize() Get number of points to be generated by this generator.
Model	makeModel() Make a cluster model for this cluster.

Methods inherited from class java.lang.Object

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

Field Detail

name

public java.lang.String name

Cluster name

points

public java.util.List<double[]> points

Cluster points

Constructor Detail

GeneratorStatic

public GeneratorStatic(java.lang.String name,
                       java.util.List<double[]> points)

Construct generator using given name and points

Parameters:

name - Cluster name

points - Cluster points

Method Detail

generate

public java.util.List<double[]> generate(int count)

"Generate" new cluster points. Static generators always return their predefined set of points.

Specified by:

generate in interface GeneratorInterface

Parameters:

count - parameter is ignored.

Returns:

List of generated points

getDensity

public double getDensity(double[] p)

Description copied from interface: GeneratorInterface

Get the density of the given vector

Specified by:

getDensity in interface GeneratorInterface

Parameters:

p - vector

Returns:

density

getDim

public int getDim()

Description copied from interface: GeneratorInterface

Get dimensionality of generated data

Specified by:

getDim in interface GeneratorInterface

Returns:

dimensionality

getName

public java.lang.String getName()

Description copied from interface: GeneratorInterface

Get cluster name

Specified by:

getName in interface GeneratorInterface

Returns:

cluster name

getSize

public int getSize()

Description copied from interface: GeneratorInterface

Get number of points to be generated by this generator.

Specified by:

getSize in interface GeneratorInterface

Returns:

cluster size

makeModel

public Model makeModel()

Description copied from interface: GeneratorInterface

Make a cluster model for this cluster.

Specified by:

makeModel in interface GeneratorInterface

Returns:

Cluster model

computeMean

public double[] computeMean()

Description copied from interface: GeneratorInterface

Get the cluster mean vector.

Specified by:

computeMean in interface GeneratorInterface

Returns:

Cluster mean, or null.