--- a/flys-artifacts/doc/conf/conf.xml	Mon Dec 03 11:02:28 2012 +0100
+++ b/flys-artifacts/doc/conf/conf.xml	Wed Dec 05 12:59:32 2012 +0100
@@ -393,4 +393,12 @@
             <configuration>${artifacts.config.dir}/themes.xml</configuration>
         </themes>
     </flys>
+
+    <options>
+        <zoom-scales>
+            <zoom-scale river="Elbe" range="50" radius="1" />
+            <zoom-scale river="Elbe" range="100" radius="5" />
+            <zoom-scale river="Elbe" range="500" radius="10" />
+        </zoom-scales>
+    </options>
 </artifact-database>