<?xml version="1.0" encoding="utf-8"?>
<ex:ExampleBase  xmlns:ex="examples.*" xmlns="http://www.adobe.com/2006/mxml" initialize="initData();">

	<Script>
		<![CDATA[
			import mx.collections.ArrayCollection;
		
			override public function get descriptions():Array { 
				return ["a simple two series column chart"];
			}												
			
			[Bindable] public var dataSet:ArrayCollection;
			[Bindable] public var revenue:Number = 100;
			private var t:Timer;
			private function initData():void
			{
				dataSet = new ArrayCollection();
				t = new Timer(500);
				t.addEventListener(TimerEvent.TIMER,addData);
			}
			
			override public function start():void
			{
				t.reset();
				t.start();
			}
			override public function stop():void
			{
				t.stop();
			}
			private function addData(e:Event):void
			{
				dataSet.addItem( { revenue: revenue } );
				revenue += Math.random() * 10 - 5;
			}
			
		]]>
	</Script>		
	
	<SeriesInterpolate id="interp" elementOffset="0" duration="300" minimumElementDuration="0"/>
	
	<ColumnChart width="100%" height="100%" 
		dataProvider="{dataSet}" maxColumnWidth="10">
		<series>
			<ColumnSeries yField="revenue" showDataEffect="{interp}"/>
		</series>
		<horizontalAxis>
			<LinearAxis autoAdjust="false" />
		</horizontalAxis>
	</ColumnChart>

</ex:ExampleBase>