flex图表投影效果图示例

<?xml version="1.0"?>
<!-- charts/ColumnWithDropShadow.mxml -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
				xmlns:flash="flash.filters.*">
	<mx:Script>
		<!--[CDATA[
			import mx.collections.ArrayCollection;
			[Bindable]
			public var expenses:ArrayCollection=new ArrayCollection([{Month: "Jan", Profit: 2000, Expenses: 1500}, {Month: "Feb", Profit: 1000, Expenses: 200}, {Month: "Mar", Profit: 1500, Expenses: 500}]);
		]]-->
	</mx:Script>
	<mx:Panel title="ColumnChart with drop shadow example">
		<mx:ColumnChart id="column"
						dataProvider="{expenses}"
						showDataTips="true">
			<!-- Add a custom drop shadow filter to the ColumnChart control. -->
			<mx:filters>
				<mx:DropShadowFilter distance="10"
									 color="0x666666"
									 alpha=".8"/>
			</mx:filters>
			<mx:horizontalAxis>
				<mx:CategoryAxis dataProvider="{expenses}"
								 categoryField="Month"/>
			</mx:horizontalAxis>
			<mx:series>
				<mx:ColumnSeries xField="Month"
								 yField="Profit"
								 displayName="Profit"/>
				<mx:ColumnSeries xField="Month"
								 yField="Expenses"
								 displayName="Expenses"/>
			</mx:series>
		</mx:ColumnChart>
		<mx:Legend dataProvider="{column}"/>
	</mx:Panel>
</mx:Application>