--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/WstLine.java	Mon Nov 25 17:40:47 2013 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/WstLine.java	Wed Nov 27 16:21:00 2013 +0100
@@ -73,6 +73,16 @@
         return ws.size() > idx ? ws.get(idx) : -1d;
     }
 
+    /**
+     * Returns the W value at index <i>idx</i> of this line.
+     *
+     * @param idx The position of the desired W value.
+     *
+     * @return the W at position <i>idx</i>.
+     */
+    public double getQ(int idx) {
+        return qs.size() > idx ? qs.get(idx) : -1d;
+    }
 
     /**
      * Returns the Q values of this line.