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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>YUI Library Examples: Charts Control: Stacked Bar Chart</title>
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width: 500px;
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{
display: block;
font-size: 1.2em;
font-weight: bold;
margin-bottom: 0.4em;
}
</style>
<!--end custom header content for this example-->
<script type="text/javascript">
//enable passthrough of errors from YUI Event:
if ((typeof YAHOO !== "undefined") && (YAHOO.util) && (YAHOO.util.Event)) {
YAHOO.util.Event.throwErrors = true;
}
</script>
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<div id="pagetitle"><h1>YUI Library Examples: Charts Control: Stacked Bar Chart</h1></div>
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<div class="yui-u first example">
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<h1>Charts Control: Stacked Bar Chart</h1>
<div class="exampleIntro">
<p>This example demonstrates how to use <a href="http://developer.yahoo.com/yui/charts/">YUI Charts Control</a> to create a Stacked Bar Chart.</p>
<p>Please note: The YUI Charts Control requires Flash Player 9.0.45 or higher. The latest version of Flash Player is available at the <a href="http://www.adobe.com/go/getflashplayer">Adobe Flash Player Download Center</a>.</p>
</div>
<div class="example-container module ">
<div class="hd exampleHd">
<p class="newWindowButton yui-skin-sam"><!--<span id="newWindowLinkx"><span class="first-child">--><a href="charts-stacked_clean.html" target="_blank">View example in new window.</a><!--</span></span>-->
</div> <div id="example-canvas" class="bd">
<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
<span class="chart_title">Media Conglomerate Ad Sales Summary 2004-2007</span>
<div id="chart">Unable to load Flash content. The YUI Charts Control requires Flash Player 9.0.45 or higher. You can download the latest version of Flash Player from the <a href="http://www.adobe.com/go/getflashplayer">Adobe Flash Player Download Center</a>.</p></div>
<script type="text/javascript">
YAHOO.widget.Chart.SWFURL = "../../build/charts/assets/charts.swf";
//--- data
YAHOO.example.annualSales =
[
{ year: 2004, internetsales: 246852, printsales: 2523359, tvsales: 3123493 },
{ year: 2005, internetsales: 851876, printsales: 1084952, tvsales: 3166920 },
{ year: 2006, internetsales: 3917246, printsales: 587151, tvsales: 2330095 },
{ year: 2007, internetsales: 5318185, printsales: 307456, tvsales: 1830729 }
];
var salesData = new YAHOO.util.DataSource( YAHOO.example.annualSales );
salesData.responseType = YAHOO.util.DataSource.TYPE_JSARRAY;
salesData.responseSchema = { fields: [ "year", "internetsales", "printsales", "tvsales" ] };
//--- chart
var seriesDef =
[
{
xField: "internetsales",
displayName: "Internet Sales"
},
{
xField: "printsales",
displayName: "Print Sales"
},
{
xField: "tvsales",
displayName: "Television Sales"
}
];
//used to format x axis
YAHOO.example.numberToCurrency = function( value )
{
return YAHOO.util.Number.format(Number(value), {prefix: "$", thousandsSeparator: ","});
}
//Numeric Axis for our currency
var currencyAxis = new YAHOO.widget.NumericAxis();
currencyAxis.stackingEnabled = true;
currencyAxis.labelFunction = YAHOO.example.numberToCurrency;
var mychart = new YAHOO.widget.StackedBarChart( "chart", salesData,
{
series: seriesDef,
yField: "year",
xAxis: currencyAxis
});
</script>
<!--END SOURCE CODE FOR EXAMPLE =============================== -->
</div>
</div>
</div>
<h2 class="first">Create a Stacked BarChart</h2>
<p>When creating Bar and Column charts with multiple series, you have the ability to stack your series on top of one-another. In this example, we'll create stacked BarChart, which lets you show the absolute values of data points through their segments, as well as the total values of each series.</p>
<h2>Create a DataSource</h2>
<p>First, we'll create the DataSource to populate the chart. This DataSource contains four values, a year and three sets of sales figures.</code>
<textarea name="code" class="JScript">
YAHOO.example.annualSales =
[
{ year: 2004, internetsales: 246852, printsales: 2523359, tvsales: 3123493 },
{ year: 2005, internetsales: 851876, printsales: 1084952, tvsales: 3166920 },
{ year: 2006, internetsales: 3917246, printsales: 587151, tvsales: 2330095 },
{ year: 2007, internetsales: 5318185, printsales: 307456, tvsales: 1830729 }
];
var salesData = new YAHOO.util.DataSource( YAHOO.example.annualSales );
salesData.responseType = YAHOO.util.DataSource.TYPE_JSARRAY;
salesData.responseSchema = { fields: [ "year", "internetsales", "printsales", "tvsales" ] };
</textarea>
<h2>Define Series Definition</h2>
<p>We will have three series in our example, corresponding to the Internet sales, print sales, and TV sales.</p>
<textarea name="code" class="JScript">
var seriesDef =
[
{
xField: "internetsales",
displayName: "Internet Sales"
},
{
xField: "printsales",
displayName: "Print Sales"
},
{
xField: "tvsales",
displayName: "Television Sales"
}
];
</textarea>
<h2>Create an Axis</h2>
<p>Create a <code>NumericAxis</code> and set its <code>stackingEnabled</code> property to <code>true</code>. Assign a <code>labelFunction</code> to format the axis.</p>
<textarea name="code" class="JScript">
//used to format x axis
YAHOO.example.numberToCurrency = function( value )
{
return YAHOO.util.Number.format(Number(value), {prefix: "$", thousandsSeparator: ","});
}
//Numeric Axis for our currency
var currencyAxis = new YAHOO.widget.NumericAxis();
currencyAxis.stackingEnabled = true;
currencyAxis.labelFunction = YAHOO.example.numberToCurrency;
</textarea>
<h2>Create a StackedBarChart</h2>
<p>Instantiate a <code>StackedBarChart</code> and set its <code>xAxis</code> to the <code>NumericAxis</code> you created.</p>
<textarea name="code" class="JScript">
var mychart = new YAHOO.widget.StackedBarChart( "chart", salesData,
{
series: seriesDef,
yField: "year",
xAxis: currencyAxis
});
</textarea>
<p>The series bars will stack from left to right rather than aligning vertically. </p>
<h2>Configuration for This Example</h2>
<p>You can load the necessary JavaScript and CSS for this example from Yahoo's servers. <a href="http://developer.yahoo.com/yui/articles/hosting/?yahoo&dom&event&json&element&datasource&swf&charts&MIN#configure">Click here to load the YUI Dependency Configurator with all of this example's dependencies preconfigured</a>.</p>
</div>
<div class="yui-u">
<div id="loggerModule" class="yui-skin-sam">
<h3 class="firstContent">YUI Logger Output:</h3>
<div id="loggerDiv"></div>
<div id="loggerGloss">
<p><strong>Note:</strong> You are viewing this example in debug mode with logging enabled. This can significantly slow performance.</p>
<p class="loggerButton"><span id="loggerLink"><span class="first-child"><a href="charts-stacked.html">Reload with logging<br />and debugging disabled.</a></span></span></p>
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</div>
<div id="examples">
<h3>Charts Control Examples:</h3>
<div id="exampleToc">
<ul>
<li><a href='../charts/charts-quickstart.html'>Charts Quickstart Example</a></li><li><a href='../charts/charts-legend.html'>Chart with Legend Example</a></li><li><a href='../charts/charts-skins.html'>Skinning a Chart Example</a></li><li><a href='../charts/charts-datatable.html'>Chart and DataTable Example</a></li><li><a href='../charts/charts-xhr-polling.html'>Chart with DataSource Polling</a></li><li class='selected'><a href='../charts/charts-stacked.html'>Stacked Bar Chart</a></li><li><a href='../charts/charts-tabview.html'>Charts in a TabView</a></li><li><a href='../charts/charts-rotation.html'>Column Chart with Rotated Title and Labels</a></li><li><a href='../charts/charts-styles.html'>Styling Lines, Borders and Fills</a></li><li><a href='../charts/charts-dualaxes.html'>Chart with 2 Numeric Axes</a></li><li><a href='../charts/charts-hideseries.html'>Hide series in a chart.</a></li><li><a href='../charts/charts-seriescustomization.html'>Customize series items</a></li><li><a href='../charts/charts-functionscope.html'>Apply scope to label functions</a></li> </ul>
</div>
</div>
<div id="module">
<h3>More Charts Control Resources:</h3>
<ul>
<li><a href="http://developer.yahoo.com/yui/charts/">User's Guide</a> (external)</li>
<li><a href="../../docs/module_charts.html">API Documentation</a></li>
<li><a href="http://yuiblog.com/assets/pdf/cheatsheets/charts.pdf">Cheat Sheet PDF</a> (external)</li></ul>
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