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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: Column Chart with Rotated Title and Labels</title>
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<!--begin custom header content for this example-->
<style type="text/css">
#chart
{
width: 500px;
height: 350px;
}
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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;
}
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<div id="pagetitle"><h1>YUI Library Examples: Charts Control: Column Chart with Rotated Title and Labels</h1></div>
</div>
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<div class="yui-u first example">
<div class="promo">
<h1>Charts Control: Column Chart with Rotated Title and Labels</h1>
<div class="exampleIntro">
<p>Axes Title and Label fields can be rotated on the <a href="http://developer.yahoo.com/yui/charts/">YUI Charts Control</a> by setting the titleRotation and labelRotation axis styles. This example shows you how.</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-rotation_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">Monthly Expenses</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.monthlyExpenses =
[
{ month: "January", rent: 1350.00, utilities: 941.68 },
{ month: "February", rent: 1350.00, utilities: 901.35 },
{ month: "March", rent: 1350.00, utilities: 789.32 },
{ month: "April", rent: 1350.00, utilities: 684.71 },
{ month: "May", rent: 1500.00, utilities: 779.811 },
{ month: "June", rent: 1500.00, utilities: 897.95 },
{ month: "July", rent: 1500.00, utilities: 919.811 },
{ month: "August", rent: 1500.00, utilities: 937.95 },
{ month: "September", rent: 1500.00, utilities: 779.811 },
{ month: "October", rent: 1500.00, utilities: 697.95 },
{ month: "November", rent: 1500.00, utilities: 679.811 },
{ month: "December", rent: 1500.00, utilities: 897.95 }
];
var myDataSource = new YAHOO.util.DataSource( YAHOO.example.monthlyExpenses );
myDataSource.responseType = YAHOO.util.DataSource.TYPE_JSARRAY;
myDataSource.responseSchema =
{
fields: [ "month", "rent", "utilities" ]
};
//--- chart
//series definition for chart
var seriesDef =
[
{
displayName: "Rent",
yField: "rent",
style:{size:10}
},
{
displayName: "Utilities",
yField: "utilities",
style:{size:10}
}
];
//Style object for chart
var styleDef =
{
xAxis:
{
labelRotation:-90
},
yAxis:
{
titleRotation:-90
}
}
//format currency
YAHOO.example.formatCurrencyAxisLabel = function( value )
{
return YAHOO.util.Number.format( value,
{
prefix: "$",
thousandsSeparator: ",",
decimalPlaces: 2
});
}
//DataTip function for the chart
YAHOO.example.getDataTipText = function( item, index, series )
{
var toolTipText = series.displayName + " for " + item.month;
toolTipText += "\n" + YAHOO.example.formatCurrencyAxisLabel( item[series.yField] );
return toolTipText;
}
//create a Numeric Axis for displaying dollars
var currencyAxis = new YAHOO.widget.NumericAxis();
currencyAxis.labelFunction = YAHOO.example.formatCurrencyAxisLabel;
currencyAxis.title = "Money Spent";
//create Category Axis to specify a title for the months
var categoryAxis = new YAHOO.widget.CategoryAxis();
categoryAxis.title = "Month";
//create a Chart
var mychart = new YAHOO.widget.ColumnChart( "chart", myDataSource,
{
series: seriesDef,
xField: "month",
yAxis: currencyAxis,
xAxis: categoryAxis,
style: styleDef,
dataTipFunction: YAHOO.example.getDataTipText
});
</script>
<!--END SOURCE CODE FOR EXAMPLE =============================== -->
</div>
</div>
</div>
<h2 class="first">Data</h2>
<p>We will start by adding our data for the charts.</p>
<textarea name="code" class="JScript" cols="60" rows="7">
YAHOO.example.monthlyExpenses =
[
{ month: "January", rent: 1350.00, utilities: 941.68 },
{ month: "February", rent: 1350.00, utilities: 901.35 },
{ month: "March", rent: 1350.00, utilities: 789.32 },
{ month: "April", rent: 1350.00, utilities: 684.71 },
{ month: "May", rent: 1500.00, utilities: 779.811 },
{ month: "June", rent: 1500.00, utilities: 897.95 },
{ month: "July", rent: 1500.00, utilities: 919.811 },
{ month: "August", rent: 1500.00, utilities: 937.95 },
{ month: "September", rent: 1500.00, utilities: 779.811 },
{ month: "October", rent: 1500.00, utilities: 697.95 },
{ month: "November", rent: 1500.00, utilities: 679.811 },
{ month: "December", rent: 1500.00, utilities: 897.95 }
];
var myDataSource = new YAHOO.util.DataSource( YAHOO.example.monthlyExpenses );
myDataSource.responseType = YAHOO.util.DataSource.TYPE_JSARRAY;
myDataSource.responseSchema =
{
fields: [ "month", "rent", "utilities" ]
};
</textarea>
<h2>Series and Styles</h2>
<p>Next we'll add a series to our chart, and give it a style.</p>
<textarea name="code" class="JScript" cols="60" rows="10">
//series definition for chart
var seriesDef =
[
{
displayName: "Rent",
yField: "rent",
style:{size:10}
},
{
displayName: "Utilities",
yField: "utilities",
style:{size:10}
}
];
</textarea>
<p>In the styles for our x-axis and y-axis, we'll set the corresponding <code>labelRotation</code> and <code>titleRotation</code> to -90. This will make the title on the y-axis and the labels on the x-axis to be rotated -90 degrees (counterclockwise). While both styles accept values between -90 and 90, it is generally recomended to only use the values -90, 90 or 0 (default), as text fields will display more clearly at these settings.</p>
<textarea name="code" class="JScript" cols="60" rows="10">
//Style object for chart
var styleDef =
{
xAxis:
{
labelRotation:-90
},
yAxis:
{
titleRotation:-90
}
}
</textarea>
<h2>Chart</h2>
<p>Add our axes and label formatting methods.</p>
<textarea name="code" class="JScript" cols="60" rows="10">
//format currency
YAHOO.example.formatCurrencyAxisLabel = function( value )
{
return YAHOO.util.Number.format( value,
{
prefix: "$",
thousandsSeparator: ",",
decimalPlaces: 2
});
}
//DataTip function for the chart
YAHOO.example.getDataTipText = function( item, index, series )
{
var toolTipText = series.displayName + " for " + item.month;
toolTipText += "\n" + YAHOO.example.formatCurrencyAxisLabel( item[series.yField] );
return toolTipText;
}
//create a Numeric Axis for displaying dollars
var currencyAxis = new YAHOO.widget.NumericAxis();
currencyAxis.labelFunction = YAHOO.example.formatCurrencyAxisLabel;
currencyAxis.title = "Money Spent";
//create Category Axis to specify a title for the months
var categoryAxis = new YAHOO.widget.CategoryAxis();
categoryAxis.title = "Month";
</textarea>
<p>Finally, we'll add the chart and call it good.</p>
<textarea name="code" class="JScript" cols="60" rows="10">
//create a Chart
var mychart = new YAHOO.widget.ColumnChart( "chart", myDataSource,
{
series: seriesDef,
xField: "month",
yAxis: currencyAxis,
xAxis: categoryAxis,
style: styleDef,
dataTipFunction: YAHOO.example.getDataTipText
});
</textarea>
<p>There are even more styles available for the axes than we've covered in this tutorial. For full details about the axes styles, read the <a href="http://developer.yahoo.com/yui/charts/">Charts Control User's Guide</a>.
<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="loggerGloss"><p><strong>Note:</strong> Logging and debugging is currently turned off for this example.</p>
<p class="loggerButton"><span id="loggerLink"><span class="first-child"><a href="charts-rotation_log.html">Reload with logging<br />
and debugging enabled.</a></span></span></p></div>
</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><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 class='selected'><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>
</div>
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