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Chart Series Class in Flex4
Posted on: June 3, 2010 at 12:00 AM
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The chart series classes are used for render a data in a chart control.

Chart Series Class in Flex4:

The chart series classes are used for render a data in a chart control. The series classes are used mx.charts.chartClasses.Series class package. All series classes are subclasses of this package. Every chart type has a its own series class. for example, Bubble chart has a BubbleSeries class and ColumnChart has a ColumnSeries class.
The primary use of series is what data to render in the chart. You can use the series that what field in a data provider are used. You can set these fields in x and y axis.
You will use the xField and yField property for set the fields which is used in chart.
When you create a series you will specify a displayName property. The use of this property is to show the label such as Data Tip objects for the user understanding.
You can use more than one series type for a chart. You can apply the effect for the series. The tag of series is <mx:series>.

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>

<fx:Array id="data">

<fx:Object>

<fx:Month>January</fx:Month>

<fx:Profit>1800</fx:Profit>

<fx:Expenses>1400</fx:Expenses>

<fx:Amount>400</fx:Amount>

</fx:Object>

<fx:Object>

<fx:Month>February</fx:Month>

<fx:Profit>900</fx:Profit>

<fx:Expenses>200</fx:Expenses>

<fx:Amount>500</fx:Amount>

</fx:Object>

<fx:Object>

<fx:Month>March</fx:Month>

<fx:Profit>1600</fx:Profit>

<fx:Expenses>500</fx:Expenses>

<fx:Amount>400</fx:Amount>

</fx:Object>

<fx:Object>

<fx:Month>April</fx:Month>

<fx:Profit>500</fx:Profit>

<fx:Expenses>300</fx:Expenses>

<fx:Amount>300</fx:Amount>

</fx:Object>

<fx:Object>

<fx:Month>May</fx:Month>

<fx:Profit>1000</fx:Profit>

<fx:Expenses>450</fx:Expenses>

<fx:Amount>250</fx:Amount>

</fx:Object>

<fx:Object>

<fx:Month>June</fx:Month>

<fx:Profit>2000</fx:Profit>

<fx:Expenses>500</fx:Expenses>

<fx:Amount>700</fx:Amount>

</fx:Object>

<fx:Object>

<fx:Month>July</fx:Month>

<fx:Profit>1200</fx:Profit>

<fx:Expenses>300</fx:Expenses>

<fx:Amount>500</fx:Amount>

</fx:Object>

</fx:Array>

</fx:Declarations>

<s:Panel title="Series Class Example" width="431" height="526">

<mx:ColumnChart id="cchart" dataProvider="{data}" showDataTips="true" x="15" y="14">

<mx:horizontalAxis>

<mx:CategoryAxis

dataProvider="{data}"

categoryField="Month"/>

</mx:horizontalAxis>

<!-- use of Series -->

<mx:series>

<mx:ColumnSeries

xField="Month"

yField="Profit"

displayName="Profit"/>

<mx:LineSeries

xField="Month"

yField="Expenses"

displayName="Expenses"/>

</mx:series>

</mx:ColumnChart>

<mx:Legend dataProvider="{cchart}" x="0" y="428"/>

</s:Panel>

</s:Application>

Output:

Running Application:

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Posted on: June 3, 2010

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