--- a/flys-artifacts/src/main/java/de/intevation/flys/jfree/JFreeUtil.java	Tue Jun 19 15:31:37 2012 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/jfree/JFreeUtil.java	Tue Jun 19 15:39:02 2012 +0000
@@ -1,17 +1,17 @@
 package de.intevation.flys.jfree;
 
+import de.intevation.flys.artifacts.math.Function;
+
 import java.awt.Shape;
+
 import java.awt.geom.Rectangle2D;
 
 import java.util.Iterator;
 
-import org.w3c.dom.Document;
-
 import org.jfree.chart.entity.ChartEntity;
 import org.jfree.chart.entity.EntityCollection;
 
-import org.jfree.data.function.Function2D;
-
+import org.w3c.dom.Document;
 
 public class JFreeUtil {
 
@@ -53,12 +53,12 @@
 
 
     public static StyledXYSeries sampleFunction2D(
-        Function2D func,
-        Document   theme,
-        String     seriesKey,
-        int        samples,
-        double     start,
-        double     end
+        Function func,
+        Document theme,
+        String   seriesKey,
+        int      samples,
+        double   start,
+        double   end
     ) {
         StyledXYSeries series = new StyledXYSeries(seriesKey, theme);
 
@@ -66,7 +66,7 @@
 
         for (int i = 0; i < samples; i++) {
             double x = start + (step * i);
-            series.add(x, func.getValue(x));
+            series.add(x, func.value(x));
         }
 
         return series;