Documentation
This demo illustrates the PieChart widget with the doughnut series type, which is often used when comparing the percentage values of different point arguments within a series.
www.geohive.com
window.onload = function() {
var viewModel = {
chartOptions: {
type: "doughnut",
palette: "Soft Pastel",
dataSource: dataSource,
title: "The Population of Continents and Regions",
tooltip: {
enabled: true,
format: "millions",
customizeTooltip: function (arg) {
var percentText = Globalize.formatNumber(arg.percent, {
style: "percent",
minimumFractionDigits: 2,
maximumFractionDigits: 2
});
return {
text: arg.valueText + " - " + percentText
};
}
},
legend: {
horizontalAlignment: "right",
verticalAlignment: "top",
margin: 0
},
"export": {
enabled: true
},
series: [{
argumentField: "region",
label: {
visible: true,
format: "millions",
connector: {
visible: true
}
}
}]
}
};
ko.applyBindings(viewModel, document.getElementById("chart-demo"));
};
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<script src="js/jquery-3.1.0.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.0/knockout-min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/cldrjs/0.4.4/cldr.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/cldrjs/0.4.4/cldr/event.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/cldrjs/0.4.4/cldr/supplemental.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/cldrjs/0.4.4/cldr/unresolved.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/globalize/1.1.1/globalize.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/globalize/1.1.1/globalize/message.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/globalize/1.1.1/globalize/number.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/globalize/1.1.1/globalize/currency.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/globalize/1.1.1/globalize/date.min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.6/css/dx.spa.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.6/css/dx.common.css" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.1.6/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/17.1.6/js/dx.all.js"></script>
<script src="data.js"></script>
<link rel="stylesheet" type ="text/css" href ="styles.css" />
<script src="index.js"></script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="chart-demo">
<div id="pie" data-bind="dxPieChart: chartOptions"></div>
</div>
</div>
</body>
</html>
#pie {
height: 440px;
}
var dataSource = [{
region: "Asia",
val: 4119626293
}, {
region: "Africa",
val: 1012956064
}, {
region: "Northern America",
val: 344124520
}, {
region: "Latin America and the Caribbean",
val: 590946440
}, {
region: "Europe",
val: 727082222
}, {
region: "Oceania",
val: 35104756
}];