--- a/flys-client/src/main/java/de/intevation/flys/client/server/ChartOutputServiceImpl.java	Wed Jun 01 14:13:29 2011 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/server/ChartOutputServiceImpl.java	Fri Jun 03 06:34:32 2011 +0000
@@ -82,7 +82,13 @@
             ArtifactNamespaceContext.NAMESPACE_URI,
             ArtifactNamespaceContext.NAMESPACE_PREFIX);
 
-        appendChartSize(req, doc, ec);
+        Element attributes = ec.create("attributes");
+
+        appendChartSize(req, attributes, ec);
+        appendXRange(req, attributes, ec);
+        appendYRange(req, attributes, ec);
+
+        doc.appendChild(attributes);
 
         return doc;
     }
@@ -94,12 +100,12 @@
      * document used to adjust chart settings.
      *
      * @param req The request object that might contain the chart size.
-     * @param doc The attribute document used to adjust chart settings.
+     * @param attributes The attributes element used to adjust chart settings.
      * @param ec The ElementCreator that might be used to create new Elements.
      */
     protected void appendChartSize(
         HttpServletRequest req,
-        Document           doc,
+        Element            attributes,
         ElementCreator     ec)
     {
         Element size = ec.create("size");
@@ -115,7 +121,63 @@
         ec.addAttr(size, "width", width, true);
         ec.addAttr(size, "height", height, true);
 
-        doc.appendChild(size);
+        attributes.appendChild(size);
+    }
+
+
+    /**
+     * This method extracts the x range for the chart from request object and
+     * appends those range - if it exists - to the attribute document used to
+     * adjust the chart settings.
+     *
+     * @param req The request object that might contain the chart size.
+     * @param doc The attribute document used to adjust chart settings.
+     * @param ec The ElementCreator that might be used to create new Elements.
+     */
+    protected void appendXRange(
+        HttpServletRequest req,
+        Element            attributes,
+        ElementCreator     ec)
+    {
+        Element range = ec.create("xrange");
+
+        String from = req.getParameter("minx");
+        String to   = req.getParameter("maxx");
+
+        if (from != null && to != null) {
+            ec.addAttr(range, "from", from, true);
+            ec.addAttr(range, "to", to, true);
+
+            attributes.appendChild(range);
+        }
+    }
+
+
+    /**
+     * This method extracts the x range for the chart from request object and
+     * appends those range - if it exists - to the attribute document used to
+     * adjust the chart settings.
+     *
+     * @param req The request object that might contain the chart size.
+     * @param doc The attribute document used to adjust chart settings.
+     * @param ec The ElementCreator that might be used to create new Elements.
+     */
+    protected void appendYRange(
+        HttpServletRequest req,
+        Element            attributes,
+        ElementCreator     ec)
+    {
+        Element range = ec.create("yrange");
+
+        String from = req.getParameter("miny");
+        String to   = req.getParameter("maxy");
+
+        if (from != null && to != null) {
+            ec.addAttr(range, "from", from, true);
+            ec.addAttr(range, "to", to, true);
+
+            attributes.appendChild(range);
+        }
     }
 }
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