Mega Code Archive
To explode one or more wedges of pie, use an Array of explodeRadius values
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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- charts/ExplodingPiePerWedge.mxml -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
<mx:Script>
import mx.collections.ArrayCollection;
[Bindable]
public var expenses:ArrayCollection = new ArrayCollection([
{Expense:"Taxes", Amount:2000},
{Expense:"Rent", Amount:1000},
{Expense:"Bills", Amount:100},
{Expense:"Car", Amount:450},
{Expense:"Gas", Amount:100},
{Expense:"Food", Amount:200}
]);
// Create a bindable Array of explode radii.
[Bindable]
public var explodingArray:Array = [0,0,0,.2,0,0]
</mx:Script>
<mx:Panel title="Exploding Pie Chart Per Wedge">
<mx:PieChart id="pie" dataProvider="{expenses}"
showDataTips="true">
<mx:series>
<!--Apply the Array of radii to the PieSeries.-->
<mx:PieSeries field="Amount" nameField="Expense"
perWedgeExplodeRadius="{explodingArray}" labelPosition="callout" />
</mx:series>
</mx:PieChart>
<mx:Legend dataProvider="{pie}" />
</mx:Panel>
</mx:Application>
]]>