org.uma.jmetal.qualityindicator.impl.hypervolume

Class PISAHypervolume<S extends Solution<?>>

java.lang.Object

org.uma.jmetal.util.naming.impl.SimpleDescribedEntity

org.uma.jmetal.qualityindicator.impl.GenericIndicator<S>

org.uma.jmetal.qualityindicator.impl.Hypervolume<S>

org.uma.jmetal.qualityindicator.impl.hypervolume.PISAHypervolume<S>

All Implemented Interfaces:

Serializable, QualityIndicator<List<S>,Double>, DescribedEntity

public class PISAHypervolume<S extends Solution<?>>
extends Hypervolume<S>

This class implements the hypervolume indicator. The code is the a Java version of the original metric implementation by Eckart Zitzler. Reference: E. Zitzler and L. Thiele Multiobjective Evolutionary Algorithms: A Comparative Case Study and the Strength Pareto Approach, IEEE Transactions on Evolutionary Computation, vol. 3, no. 4, pp. 257-271, 1999.

Author:

Antonio J. Nebro , Juan J. Durillo

See Also:

Serialized Form

Field Summary

Fields inherited from class org.uma.jmetal.qualityindicator.impl.GenericIndicator

referenceParetoFront

Constructor Summary

Constructors

Constructor and Description
PISAHypervolume() Default constructor
PISAHypervolume(Front referenceParetoFront) Constructor
PISAHypervolume(String referenceParetoFrontFile) Constructor

Method Summary

Modifier and Type	Method and Description
double	calculateHypervolume(double[][] front, int noPoints, int noObjectives)
List<S>	computeHypervolumeContribution(List<S> solutionList, List<S> referenceFrontList)
Double	evaluate(List<S> paretoFrontApproximation) Evaluate() method
String	getDescription()
double	getOffset()
void	setOffset(double offset)

Methods inherited from class org.uma.jmetal.qualityindicator.impl.Hypervolume

getName, isTheLowerTheIndicatorValueTheBetter

Methods inherited from class org.uma.jmetal.qualityindicator.impl.GenericIndicator

setReferenceParetoFront, setReferenceParetoFront

Methods inherited from class org.uma.jmetal.util.naming.impl.SimpleDescribedEntity

setDescription, setName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

PISAHypervolume

public PISAHypervolume()

Default constructor

PISAHypervolume

public PISAHypervolume(String referenceParetoFrontFile)
                throws FileNotFoundException

Constructor

Parameters:

referenceParetoFrontFile -

Throws:

FileNotFoundException

PISAHypervolume

public PISAHypervolume(Front referenceParetoFront)

Constructor

Parameters:

referenceParetoFront -

Throws:

FileNotFoundException

Method Detail

evaluate

public Double evaluate(List<S> paretoFrontApproximation)

Evaluate() method

Parameters:

paretoFrontApproximation -

Returns:

calculateHypervolume

public double calculateHypervolume(double[][] front,
                                   int noPoints,
                                   int noObjectives)

getDescription

public String getDescription()

Specified by:

getDescription in interface DescribedEntity

Overrides:

getDescription in class SimpleDescribedEntity

Returns:

the description of the DescribedEntity

setOffset

public void setOffset(double offset)

Specified by:

setOffset in class Hypervolume<S extends Solution<?>>

computeHypervolumeContribution

public List<S> computeHypervolumeContribution(List<S> solutionList,
                                              List<S> referenceFrontList)

Specified by:

computeHypervolumeContribution in class Hypervolume<S extends Solution<?>>

getOffset

public double getOffset()

Specified by:

getOffset in class Hypervolume<S extends Solution<?>>