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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1427 331e1502-861f-0410-8da2-ba01fb791d7f
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jhumeau 2009-02-12 12:35:25 +00:00
commit 2629e21d15
1 changed files with 15 additions and 14 deletions
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trunk/paradiseo-moeo/src/metric/moeoHyperVolumeDifferenceMetric.h
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@ -40,6 +40,7 @@
#define MOEOHYPERVOLUMEDIFFERENCEMETRIC_H_
#include <metric/moeoMetric.h>
#include <metric/moeoHyperVolumeMetric.h>
/**
* The contribution metric evaluates the proportion of non-dominated solutions given by a Pareto set relatively to another Pareto set
@ -49,7 +50,7 @@ template < class ObjectiveVector >
class moeoHyperVolumeDifferenceMetric : public moeoVectorVsVectorBinaryMetric < ObjectiveVector, double >
{
public:
/**
* Constructor with a coefficient (rho)
* @param _normalize allow to normalize data (default true)
@ -63,7 +64,7 @@ class moeoHyperVolumeDifferenceMetric : public moeoVectorVsVectorBinaryMetric <
bounds[i] = eoRealInterval(0,1);
}
}
/**
* Constructor with a reference point
* @param _normalize allow to normalize data (default true)
@ -76,17 +77,17 @@ class moeoHyperVolumeDifferenceMetric : public moeoVectorVsVectorBinaryMetric <
{
bounds[i] = eoRealInterval(0,1);
}
}
}
/**
* calculates and returns the HyperVolume value of a pareto front
* @param _set the vector contains all objective Vector of pareto front
* @param _set the vector contains all objective Vector of pareto front
*/
double operator()(const std::vector < ObjectiveVector > & _set1, const std::vector < ObjectiveVector > & _set2)
{
double hypervolume_set1;
double hypervolume_set2;
if(rho >= 1.0){
//determine bounds
setup(_set1, _set2);
@ -105,7 +106,7 @@ class moeoHyperVolumeDifferenceMetric : public moeoVectorVsVectorBinaryMetric <
ref_point[i]= bounds[i].maximum() * (1-rho);
}
}
//if no normalization, reinit bounds to O..1 for
//if no normalization, reinit bounds to O..1 for
if(!normalize)
for (unsigned int i=0; i<ObjectiveVector::Traits::nObjectives(); i++)
bounds[i] = eoRealInterval(0,1);
@ -113,14 +114,14 @@ class moeoHyperVolumeDifferenceMetric : public moeoVectorVsVectorBinaryMetric <
}
else if(normalize)
setup(_set1, _set2);
moeoHyperVolumeMetric <ObjectiveVector> unaryMetric(ref_point, bounds);
hypervolume_set1 = unaryMetric(_set1);
hypervolume_set2 = unaryMetric(_set2);
return hypervolume_set1 - hypervolume_set2;
}
/**
* getter on bounds
* @return bounds
@ -128,7 +129,7 @@ class moeoHyperVolumeDifferenceMetric : public moeoVectorVsVectorBinaryMetric <
std::vector < eoRealInterval > getBounds(){
return bounds;
}
/**
* method caclulate bounds for the normalization
* @param _set the vector of objective vectors
@ -160,12 +161,12 @@ class moeoHyperVolumeDifferenceMetric : public moeoVectorVsVectorBinaryMetric <
/*boolean indicates if data must be normalized or not*/
bool normalize;
double rho;
/*vectors contains bounds for normalization*/
std::vector < eoRealInterval > bounds;
ObjectiveVector ref_point;
};