Index: main/src/com/smartgwt/client/core/DataClass.java
===================================================================
--- main/src/com/smartgwt/client/core/DataClass.java	(revision 1367)
+++ main/src/com/smartgwt/client/core/DataClass.java	(working copy)
@@ -85,6 +85,10 @@
     public Double getAttributeAsDouble(String property) {
         return JSOHelper.getAttributeAsDouble(jsObj, property);
     }
+    
+    public double[] getAttributeAsDoubleArray(String property) {
+        return JSOHelper.getAttributeAsDoubleArray(jsObj, property);
+    }
 
     public void setAttribute(String property, int[] value) {
         JSOHelper.setAttribute(jsObj, property, value);
@@ -131,6 +135,10 @@
     public void setAttribute(String property, Date value) {
         JSOHelper.setAttribute(jsObj, property, value);
     }
+    
+    public void setAttribute(String property, double[] value) {
+    	JSOHelper.setAttribute(jsObj, property, value);
+    }
 
     public void setAttribute(String property, Boolean value) {
         JSOHelper.setAttribute(jsObj, property, value);
Index: main/src/com/smartgwt/client/util/JSOHelper.java
===================================================================
--- main/src/com/smartgwt/client/util/JSOHelper.java	(revision 1367)
+++ main/src/com/smartgwt/client/util/JSOHelper.java	(working copy)
@@ -213,6 +213,10 @@
     public static native void setAttribute(JavaScriptObject elem, String attr, double value) /*-{
 	    elem[attr] = value;
     }-*/;
+    
+    public static void setAttribute(JavaScriptObject elem, String attr, double[] values) {
+        setAttribute(elem, attr, JSOHelper.convertToJavaScriptArray(values));
+    }
 
     public static native void setAttribute(JavaScriptObject elem, String attr, Function handler) /*-{
 	    elem[attr] = function() {
@@ -424,6 +428,15 @@
         }
         return jsArray;
     }
+    
+    public static JavaScriptObject convertToJavaScriptArray(double[] array) {
+        if(array == null) return null;
+        JavaScriptObject jsArray = createJavaScriptArray();
+        for (int i = 0; i < array.length; i++) {
+            JSOHelper.setArrayValue(jsArray, i, array[i]);
+        }
+        return jsArray;
+    }
 
     private static void doAddToMap(Map map, String key, Object value) {
         map.put(key, value);