--- a/gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalCrossSectionChart.java	Sun Jan 03 15:57:02 2010 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalCrossSectionChart.java	Mon Jan 04 02:49:42 2010 +0000
@@ -2,6 +2,8 @@
 
 import java.util.Locale;
 
+import java.text.NumberFormat;
+
 import java.awt.Color;
 import java.awt.Paint;
 
@@ -54,6 +56,25 @@
         }
     } // class PalettePaintLookup
 
+    public static class LocalizedLabelGenerator
+    extends             PolygonRenderer.DefaultLabelGenerator
+    {
+        protected NumberFormat format;
+
+        public LocalizedLabelGenerator() {
+        }
+
+        public LocalizedLabelGenerator(NumberFormat format) {
+            this.format = format;
+        }
+
+        protected String toString(Object label) {
+            return label instanceof Number
+                ? format.format(((Number)label).doubleValue())
+                : super.toString(label);
+        }
+    } // class LocalizedLabelGenerator
+
     protected JFreeChart chart;
 
     protected AttributedXYColumns columns;
@@ -95,8 +116,13 @@
             }
         }
 
+        NumberFormat format = NumberFormat.getInstance(locale);
+        format.setMinimumFractionDigits(0);
+        format.setMaximumFractionDigits(2);
+
         PolygonRenderer renderer = new PolygonRenderer(
-            new PalettePaintLookup(palette));
+            new PalettePaintLookup(palette),
+            new LocalizedLabelGenerator(format));
 
         ValueAxis domainAxis = new NumberAxis(xAxis);
         ValueAxis rangeAxis  = new NumberAxis(yAxis);