 		/** @private */
 		protected var _stats:Stats;
 		
+		/** If true, updates to the underlying data will be ignored, as will
+		 *  any calls to <code>updateBinding</code>. Set this flag if you want
+		 *  to prevent the scale values from changing automatically. */
+		public var ignoreUpdates:Boolean = false;
+		
 		/** The type of scale to create. */
 		public override function get scaleType():String {
 			return _scaleType ? _scaleType : scale.scaleType;

		 */
		public function updateBinding():void
		{
			var stats:Stats = _data.group(_group).stats(_property);
			if (stats !== _stats) { // object identity test
				_stats = null;

		 */
		private function onDataEvent(evt:DataEvent):void
		{
			if (ignoreUpdates) return;
			if (evt.list.name == _group) {
				if (evt.type == DataEvent.UPDATE) {
					updateBinding();
