org.opt4j.core.common.archive
Interface FrontDensityIndicator

All Known Implementing Classes:

Crowding

public interface FrontDensityIndicator

The FrontDensityIndicator is an interface for the determination of density values of a front of Individuals. It is required that the front consists of non-dominated Individuals only. This density indicator is used for instance in the Nsga2.

See Also:

Crowding

Method Summary

java.util.Map<Individual,java.lang.Double>

getDensityValues(java.util.Collection<Individual> individuals) Returns the density values for a collection on Individuals.

Method Detail

getDensityValues

java.util.Map<Individual,java.lang.Double> getDensityValues(java.util.Collection<Individual> individuals)

Returns the density values for a collection on Individuals.

Parameters:

individuals - the individuals

Returns:

a map of each individual to its density value