Google Charts - Google Charts tutorial - Basic Donut Chart - chart js - google graphs - google charts examples
What is a donut chart used for?
- Just like a pie chart , a doughnut chart shows the relationship of parts to a whole, but a doughnut chart can contain more than one data series.
- Each data series that you plot in a doughnut chart adds a ring to the chart.
- The first data series is displayed in the center of the chart.
Configurations:
- You have used pieHole configuration to set a pie chart as donus chart.
Syntax
// Set chart options
var options = {
pieHole: 0.4
};
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Example
googlecharts-pie-donut.html
Tryit<html>
<head>
<title>Google Charts Tutorial</title>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript">
google.charts.load('current', {packages: ['corechart']});
</script>
</head>
<body>
<div id="container" style="width: 550px; height: 400px; margin: 0 auto"></div>
<script language="JavaScript">
function drawChart() {
// Define the chart to be drawn.
var data = new google.visualization.DataTable();
data.addColumn('string', 'Browser');
data.addColumn('number', 'Percentage');
data.addRows([
['Firefox', 50.0],
['IE', 28.8],
['Chrome', 19.8],
['Safari', 11.5],
['Opera', 7.2],
['Others', 0.9]
]);
// Set chart options
var options = {'title':'Browser market shares at a specific website, 2014',
'width':550,
'height':400,
pieHole: 0.4
};
// Instantiate and draw the chart.
var chart = new google.visualization.PieChart(document.getElementById('container'));
chart.draw(data, options);
}
google.charts.setOnLoadCallback(drawChart);
</script>
</body>
</html>