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Minor cosmetics.

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This commit is contained in:
Holger Franken
2010-08-18 13:59:43 +00:00
parent ff940e98ea
commit b4a46c6589
2 changed files with 10 additions and 3 deletions
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11
src/eva2/server/go/operators/paretofrontmetrics/MetricS.java
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@@ -1,5 +1,6 @@
package eva2.server.go.operators.paretofrontmetrics; package eva2.server.go.operators.paretofrontmetrics;
import eva2.gui.BeanInspector;
import eva2.server.go.individuals.AbstractEAIndividual; import eva2.server.go.individuals.AbstractEAIndividual;
import eva2.server.go.individuals.ESIndividualDoubleData; import eva2.server.go.individuals.ESIndividualDoubleData;
import eva2.server.go.operators.archiving.ArchivingAllDominating; import eva2.server.go.operators.archiving.ArchivingAllDominating;
@@ -16,6 +17,7 @@ import eva2.server.go.problems.AbstractMultiObjectiveOptimizationProblem;
public class MetricS implements InterfaceParetoFrontMetric, java.io.Serializable { public class MetricS implements InterfaceParetoFrontMetric, java.io.Serializable {
private double[][] m_ObjectiveSpaceRange; private double[][] m_ObjectiveSpaceRange;
private static boolean TRACE=false;
public MetricS() { public MetricS() {
@@ -54,13 +56,16 @@ public class MetricS implements InterfaceParetoFrontMetric, java.io.Serializable
*/ */
public double calculateMetricOn(Population pop, AbstractMultiObjectiveOptimizationProblem problem) { public double calculateMetricOn(Population pop, AbstractMultiObjectiveOptimizationProblem problem) {
this.m_ObjectiveSpaceRange = problem.getObjectiveSpaceRange(); this.m_ObjectiveSpaceRange = problem.getObjectiveSpaceRange();
if (TRACE) System.out.println("Border: " + BeanInspector.toString(m_ObjectiveSpaceRange));
double smetric = this.calculateSMetric(pop, this.m_ObjectiveSpaceRange, this.m_ObjectiveSpaceRange.length); double smetric = this.calculateSMetric(pop, this.m_ObjectiveSpaceRange, this.m_ObjectiveSpaceRange.length);
double reference = 1; double reference = 1;
for (int i = 0; i < this.m_ObjectiveSpaceRange.length; i++) { for (int i = 0; i < this.m_ObjectiveSpaceRange.length; i++) {
reference *= (this.m_ObjectiveSpaceRange[i][1] - this.m_ObjectiveSpaceRange[i][0]); reference *= (this.m_ObjectiveSpaceRange[i][1] - this.m_ObjectiveSpaceRange[i][0]);
} }
//System.out.println("SMetric: "+smetric +" Reference: " + reference); //System.out.println("SMetric: "+smetric +" Reference: " + reference);
return ((Math.abs(smetric)/Math.abs(reference))*100); double res = ((Math.abs(smetric)/Math.abs(reference))*100);
if (TRACE) System.out.println("Res is " + res);
return res;
} }
// /** This method gives a metric how to evaluate // /** This method gives a metric how to evaluate
@@ -76,7 +81,7 @@ public class MetricS implements InterfaceParetoFrontMetric, java.io.Serializable
// return ((Math.abs(smetric)/Math.abs(reference))*100); // return ((Math.abs(smetric)/Math.abs(reference))*100);
// } // }
/** This method will calucuate the s-metric from a double array of /** This method will calculate the s-metric from a double array of
* fitness cases * fitness cases
* @param pop Array of fitness cases * @param pop Array of fitness cases
* @param border The border to use when calculating the s-metric. * @param border The border to use when calculating the s-metric.
@@ -98,6 +103,8 @@ public class MetricS implements InterfaceParetoFrontMetric, java.io.Serializable
} }
// Now we have an archive, lets caluculate the s-metric // Now we have an archive, lets caluculate the s-metric
// first extract the fitnesscases from the archive // first extract the fitnesscases from the archive
if (dim==1) return pop.getBestFitness()[0];
if (dim > 2) smPop = new Population(); if (dim > 2) smPop = new Population();
double[][] f = new double[archive.size()][dim]; double[][] f = new double[archive.size()][dim];
double[] tmpF, redF; double[] tmpF, redF;

2
src/eva2/server/go/problems/AbstractMultiObjectiveOptimizationProblem.java
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@@ -506,7 +506,7 @@ public abstract class AbstractMultiObjectiveOptimizationProblem extends Abstract
} }
public double calculateMetric(Population pop) { public double calculateMetric(Population pop) {
if (pop==null) return Double.NaN; if (pop==null || (pop.size()==0)) return Double.NaN;
return this.m_Metric.calculateMetricOn(pop, this); return this.m_Metric.calculateMetricOn(pop, this);
} }