[ADD] Add getWVector (for Eigen vector) to WValueSet

src/dataHandler/WValueSet.h

@@ -186,6 +186,15 @@ public:
         return WValue< double >( getWValue( i ) );
     }
 
+    /**
+     * \param i id of the WVector to retrieve
+     * \return The i-th WValue (stored in this value set) as WVector. There are size() such scalars.
+     */
+    virtual WVector_2 getWVector( size_t i ) const
+    {
+        return ( WValue< double >( getWValue( i ) ) ).toWVector();
+    }
+
     /**
      * Get the i'th vector
      *

src/dataHandler/WValueSetBase.h

@@ -93,6 +93,12 @@ public:
      */
     virtual WValue< double > getWValueDouble( size_t i ) const = 0;
 
+    /**
+     * \param i id of the WVector to retrieve
+     * \return The i-th WValue (stored in this value set) as WVector. There are size() such scalars.
+     */
+    virtual WVector_2 getWVector( size_t i ) const = 0;
+
     /**
      * \return Dimension of the values in this ValueSet
      */

src/dataHandler/test/WValueSetBase_test.h

@@ -100,6 +100,14 @@ public:
         return WValue< double >( size() );
     }
 
+    /**
+     * \return The i-th WValue (stored in this value set) as WVector_2. There are size() such scalars.
+     */
+    virtual WVector_2 getWVector( size_t /*i*/ ) const
+    {
+        return WVector_2( size() );
+    }
+
     /**
      * This method returns the smallest value in the valueset. It does not handle vectors, matrices and so on well. It simply returns the
      * smallest value in the data array. This is especially useful for texture scaling or other statistic tools (histograms).