Solution object from AbstractStatistics is now a data array.

src/eva2/server/go/individuals/AbstractEAIndividual.java

@@ -911,6 +911,30 @@ public abstract class AbstractEAIndividual implements IndividualInterface, java.
     	return getDefaultDataString(individual, ",");
     }
     
+    /**
+     * This method returns the default data object of an individual containing the 
+     * individuals solution representation.
+     * 
+     * @param individual
+     * @return
+     */
+    public static Object getDefaultDataObject(IndividualInterface individual) {
+        if (individual instanceof InterfaceDataTypeBinary) {
+            return ((InterfaceDataTypeBinary)individual).getBinaryData().clone();
+        } else if (individual instanceof InterfaceDataTypeInteger) {
+        	return ((InterfaceDataTypeInteger)individual).getIntegerData().clone();
+        } else if (individual instanceof InterfaceDataTypeDouble) {
+            return ((InterfaceDataTypeDouble)individual).getDoubleData().clone();
+        } else if (individual instanceof InterfaceDataTypePermutation) {
+        	return ((InterfaceDataTypePermutation)individual).getPermutationData()[0].clone();
+        } else if (individual instanceof InterfaceDataTypeProgram) {
+        	return ((InterfaceDataTypeProgram)individual).getProgramDataWithoutUpdate().clone();
+        } else {
+        	System.err.println("error in AbstractEAIndividual.getDefaultDataObject: type " + individual.getClass() + " not implemented");
+        	return individual;
+        }
+    }
+    
     /**
      * This method creates a default String representation for a number Individual interfaces
      * containing the genotype.

src/eva2/server/go/problems/AbstractOptimizationProblem.java

@@ -265,7 +265,9 @@ implements InterfaceOptimizationProblem /*, InterfaceParamControllable*/, Serial
      * @return String
      */
     public Object[] getAdditionalFileStringValue(PopulationInterface pop) {
-    	String solStr = AbstractEAIndividual.getDefaultDataString(pop.getBestIndividual()); 
+    	Object solObj;
+//    	solObj = AbstractEAIndividual.getDefaultDataString(pop.getBestIndividual());
+    	solObj = AbstractEAIndividual.getDefaultDataObject(pop.getBestIndividual());
     	if (this instanceof InterfaceInterestingHistogram) {
     		int fitCrit=0;
     		SolutionHistogram hist = ((InterfaceInterestingHistogram)this).getHistogram();
@@ -277,8 +279,8 @@ implements InterfaceOptimizationProblem /*, InterfaceParamControllable*/, Serial
         		}
     			Population sols = PostProcess.clusterBestUpdateHistogram((Population)maybeFiltered, this, hist, fitCrit, getDefaultAccuracy());
     		}
-    		return new Object[]{solStr, hist, hist.getScore()};
+    		return new Object[]{solObj, hist, hist.getScore()};
-    	} else return new Object[]{solStr}; 
+    	} else return new Object[]{solObj}; 
     }
 
     /**

src/eva2/server/stat/AbstractStatistics.java

@@ -36,6 +36,9 @@ import eva2.tools.math.Mathematics;
  * list of Objects assembled in the getOutputValues method. This allows all simple data types which are
  * provided by the external informer instances to be handled uniformly to the internally collected data, and
  * thus they can be plotted and text-dumped in the same manner.
+ * Basic fields are identified by the enum GraphSelectionEnum and are available independently of additional
+ * informer instances.
+ *
  * Depending on the field selection state and the informers, the list of data fields is dynamically altered,
  * however changes during a multi-run are ignored, since the potential of inconsistencies is too high.  
  * 
@@ -641,12 +644,12 @@ public abstract class AbstractStatistics implements InterfaceTextListener, Inter
 		List<String> metaStrings = getOutputMetaInfo(informerList);
 		return metaStrings.toArray( new String[metaStrings.size()]);
 	}
-
 	
 	/**
 	 * Collect the names of data fields which are collected internally.This must correspond to the
 	 * method {@link #getSimpleOutputValues()}.
-	 * 
+	 * Basic fields are identified by the enum GraphSelectionEnum and are available independently of additional
+	 * informer instances.
 	 * @see #getSimpleOutputValues() 
 	 * @return
 	 */
@@ -665,6 +668,7 @@ public abstract class AbstractStatistics implements InterfaceTextListener, Inter
 	/**
 	 * Collect the info strings of data fields collected internally. This must correspond to
 	 * the method {@link #getSimpleOutputValues()}.
+	 * Basic meta info is defined by the enum GraphSelectionEnum.
 	 * 
 	 * @see #getSimpleOutputValues() 
 	 * @return