From 9b5ceeea653902275794cf5e166a59366647c7f0 Mon Sep 17 00:00:00 2001
From: Mostepha-Redouane Khouadjia <mostepha-redouane.khouadjia@inria.fr>
Date: Wed, 3 Apr 2013 12:04:25 +0200
Subject: [PATCH] An MOEO continuator that stops if the archive reach a target
 Pareto Front

---
 moeo/src/continue/moeoHypContinue.h | 114 ++++++++++++++++++++++++++++
 moeo/src/moeo                       |   2 +
 2 files changed, 116 insertions(+)
 create mode 100644 moeo/src/continue/moeoHypContinue.h

diff --git a/moeo/src/continue/moeoHypContinue.h b/moeo/src/continue/moeoHypContinue.h
new file mode 100644
index 000000000..1a48178a3
--- /dev/null
+++ b/moeo/src/continue/moeoHypContinue.h
@@ -0,0 +1,114 @@
+/*
+ * <moeoHypContinue.h>
+ * Copyright (C) TAO Project-Team, INRIA-Saclay, 2011-2012
+ * (C) TAO Team, LRI, 2011-2012
+ *
+ Mostepha-Redouane Khouadjia <mostepha-redouane.khouadjia@inria.fr>
+
+ * This software is governed by the CeCILL license under French law and
+ * abiding by the rules of distribution of free software.  You can  use,
+ * modify and/ or redistribute the software under the terms of the CeCILL
+ * license as circulated by CEA, CNRS and INRIA at the following URL
+ * "http://www.cecill.info".
+ *
+ * As a counterpart to the access to the source code and  rights to copy,
+ * modify and redistribute granted by the license, users are provided only
+ * with a limited warranty  and the software's author,  the holder of the
+ * economic rights,  and the successive licensors  have only  limited liability.
+ *
+ * In this respect, the user's attention is drawn to the risks associated
+ * with loading,  using,  modifying and/or developing or reproducing the
+ * software by the user in light of its specific status of free software,
+ * that may mean  that it is complicated to manipulate,  and  that  also
+ * therefore means  that it is reserved for developers  and  experienced
+ * professionals having in-depth computer knowledge. Users are therefore
+ * encouraged to load and test the software's suitability as regards their
+ * requirements in conditions enabling the security of their systems and/or
+ * data to be ensured and,  more generally, to use and operate it in the
+ * same conditions as regards security.
+ * The fact that you are presently reading this means that you have had
+ * knowledge of the CeCILL license and that you accept its terms.
+ *
+ * ParadisEO WebSite : http://paradiseo.gforge.inria.fr
+ * Contact: paradiseo-help@lists.gforge.inria.fr
+ *
+ */
+//-----------------------------------------------------------------------------
+
+
+
+#ifndef _moeoHypContinue_h
+#define _moeoHypContinue_h
+
+#include <eoContinue.h>
+#include <utils/eoLogger.h>
+#include <metric/moeoHyperVolumeMetric.h>
+#include <archive/moeoUnboundedArchive.h>
+
+/**
+  Continues until the optimum ParetoSet level is reached.
+
+  @ingroup Continuators
+  */
+template< class MOEOT>
+class moeoHypContinue: public eoContinue<MOEOT>
+{
+public:
+
+    typedef typename MOEOT::ObjectiveVector ObjectiveVector;
+
+    /// Ctor
+    moeoHypContinue(  const std::vector<double> & _OptimVec, moeoArchive < MOEOT > & _archive,  bool _normalize=true, double _rho=1.1)
+        : eoContinue<MOEOT>(), arch(_archive), metric(_normalize,_rho)
+    {
+        vectorToParetoSet(_OptimVec);
+    }
+
+    moeoHypContinue( const std::vector<double> & _OptimVec, moeoArchive < MOEOT > & _archive,  bool _normalize=true, ObjectiveVector& _ref_point=NULL)
+        : eoContinue<MOEOT> (), arch(_archive), metric(_normalize,_ref_point)
+    {
+        vectorToParetoSet(_OptimVec);
+    }
+
+    /** Returns false when a ParetoSet is reached. */
+    virtual bool operator() ( const eoPop<MOEOT>& _pop )
+    {
+        std::vector < ObjectiveVector > bestCurrentParetoSet;
+
+        for (size_t i=0; i<arch.size(); i++) {
+            bestCurrentParetoSet.push_back(arch[i].objectiveVector());
+        }
+
+        double hypervolume= metric(bestCurrentParetoSet,OptimSet );
+
+        if (hypervolume==0) {
+            eo::log << eo::logging << "STOP in moeoHypContinue: Best ParetoSet has been reached "
+                << hypervolume << std::endl;
+            return false;
+        }
+        return true;
+    }
+
+    /** Translate a vector given as param to the ParetoSet that should be reached. */
+    void vectorToParetoSet(const std::vector<double> & _OptimVec)
+    {
+        unsigned dim = (unsigned)(_OptimVec.size()/ObjectiveVector::Traits::nObjectives());
+        OptimSet.resize(dim);
+
+        unsigned k=0;
+        for(size_t i=0; i < dim; i++) {
+            for (size_t j=0; j < ObjectiveVector::Traits::nObjectives(); j++) {
+                OptimSet[i][j]=_OptimVec[k++];
+            }
+        }
+    }
+
+    virtual std::string className(void) const { return "moeoHypContinue"; }
+
+private:
+    moeoHyperVolumeDifferenceMetric <ObjectiveVector> metric;
+    std::vector <ObjectiveVector> OptimSet;
+    moeoArchive <MOEOT> & arch;
+};
+
+#endif
diff --git a/moeo/src/moeo b/moeo/src/moeo
index b8878585a..9ac18c050 100644
--- a/moeo/src/moeo
+++ b/moeo/src/moeo
@@ -213,4 +213,6 @@
 #include <utils/moeoObjectiveVectorNormalizer.h>
 #include <utils/moeoObjVecStat.h>
 
+#include <continue/moeoHypContinue.h>
+
 #endif /*MOEO_*/