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AreaChart Control in Flex4
Posted on: June 4, 2010 at 12:00 AM
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The AreaChart Control is a MX Component. There is no Spark component.

AreaChart control in Flex4:

The AreaChart Control is a MX Component. There is no Spark component.
The AreaChart Control represents an area bounded by a line connecting the data values. You can provide the data to the chart by using data provider property. You will use <mx:horizontalAxis> or <mx:verticalAxis> and <mx:Series> in it. You will use xField, yField, displayName and Form property for series. You can use more than one series in it. There are six types of Form for display a chart: segment, step, reverseStep, vertical, horizontal and curve. You can provide color to series using areaFill and areaStroke property. The tag of AreaChart Control is <mx:AreaChart>.

Example:

<?xml version="1.0" encoding="utf-8"?>

<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"

xmlns:s="library://ns.adobe.com/flex/spark"

xmlns:mx="library://ns.adobe.com/flex/mx"

minWidth="955" minHeight="600">

<fx:Declarations>

<s:SolidColor id="s1" color="#990000" alpha=".2"/>

<s:SolidColor id="s2" color="#808080" alpha=".2"/>

<s:SolidColor id="s3" color="#cc00cc" alpha=".2"/>

<s:SolidColorStroke id="scs1" color="#990000" weight="2"/>

<s:SolidColorStroke id="scs2" color="#808080" weight="2"/>

<s:SolidColorStroke id="scs3" color="#cc00cc" weight="2"/>

</fx:Declarations>

<fx:Script>

<![CDATA[

import mx.collections.ArrayCollection;

[Bindable]

public var student:ArrayCollection = new ArrayCollection([

{Stream:"Management", Girls:1000, Boys:1400, TotalStudent:2400},

{Stream:"Computer Science", Girls:800, Boys:1200, TotalStudent:2000},

{Stream:"Mechanical", Girls:200, Boys:1500, TotalStudent:1700},

{Stream:"Electical", Girls:800, Boys:850, TotalStudent:1650},

{Stream:"Electronics", Girls:500, Boys:1000, TotalStudent:1500},

{Stream:"Civil", Girls:300, Boys:900, TotalStudent:1200}

]);

]]>

</fx:Script>

<s:Panel title="AreaChart control Example" width="678">

<s:layout>

<s:HorizontalLayout/>

</s:layout>

<mx:AreaChart id="areachart1"

showDataTips="true"

paddingBottom="10"

paddingLeft="10"

paddingRight="10"

paddingTop="10"

dataProvider="{student}"

width="574">

<mx:horizontalAxis>

<mx:CategoryAxis categoryField="Stream"

dataProvider="{student}"/>

</mx:horizontalAxis>

<mx:series>

<mx:AreaSeries id="as1"

xField="Stream"

yField="TotalStudent"

displayName="TotalStudent"

areaFill="{s1}"

areaStroke="{scs1}" form="curve"/>

<mx:AreaSeries id="as2"

xField="Stream"

yField="Boys"

displayName="Boys"

areaFill="{s2}"

areaStroke="{scs2}" form="curve"/>

<mx:AreaSeries id="as3"

xField="Stream"

yField="Girls"

displayName="Girls"

areaFill="{s3}"

areaStroke="{scs3}" form="curve"/>

</mx:series>

</mx:AreaChart>

<mx:Legend dataProvider="{areachart1}"/>

</s:Panel>

</s:Application>

Output:

Running Application:

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Posted on: June 4, 2010

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