--- a/flys-artifacts/src/main/java/de/intevation/flys/exports/ChartGenerator.java	Fri Jul 06 09:36:03 2012 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/ChartGenerator.java	Fri Jul 06 09:37:24 2012 +0000
@@ -1647,17 +1647,17 @@
      * Expands a given range if it collapses into one point.
      *
      * @param Range to be expanded if upper == lower bound.
+     *
+     * @return Bounds of point plus 5 percent in each direction.
      */
     private Bounds expandPointRange(Range range) {
         if (range == null) {
             return null;
         }
+        // TODO reuse the ChartHelper.expandRange ..!
         else if (range.getLowerBound() == range.getUpperBound()) {
-            double hi  = range.getUpperBound();
-            double lo  = range.getLowerBound();
-            double add = (hi - lo) / 100 * 5;
-
-            return new DoubleBounds(lo-add, hi+add);
+            Range expandedRange = ChartHelper.expandRange(range, 5d);
+            return new DoubleBounds(expandedRange.getLowerBound(), expandedRange.getUpperBound());
         }
 
         return new DoubleBounds(range.getLowerBound(), range.getUpperBound());