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Pie with Small Values Grouped

In this example, the PieChart component combines all values below the threshold property in one category called «others».

www.wikipedia.org
Backend API
$(() => { $('#pie').dxPieChart({ palette: 'bright', dataSource, title: 'Top internet languages', legend: { horizontalAlignment: 'center', verticalAlignment: 'bottom', }, export: { enabled: true, }, series: [{ argumentField: 'language', valueField: 'percent', label: { visible: true, connector: { visible: true, width: 0.5, }, format: 'fixedPoint', customizeText(point) { return `${point.argumentText}: ${point.valueText}%`; }, }, smallValuesGrouping: { mode: 'smallValueThreshold', threshold: 4.5, }, }], }); });
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml" lang="en"> <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=5.0" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.1.3/css/dx.light.css" /> <script src="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="pie"></div> </div> </body> </html>
#pie { height: 440px; }
const dataSource = [{ language: 'English', percent: 55.5, }, { language: 'Chinese', percent: 2.8, }, { language: 'Spanish', percent: 4.6, }, { language: 'Japanese', percent: 5.0, }, { language: 'Portuguese', percent: 2.5, }, { language: 'German', percent: 5.8, }, { language: 'French', percent: 4.0, }, { language: 'Russian', percent: 5.9, }, { language: 'Italian', percent: 1.9, }, { language: 'Polish', percent: 1.7, }, { language: 'Turkish', percent: 1.5, }, { language: 'Dutch', percent: 1.3, }, { language: 'Persian', percent: 0.9, }, { language: 'Arabic', percent: 0.8, }, { language: 'Korean', percent: 0.7, }, { language: 'Czech', percent: 0.7, }, { language: 'Swedish', percent: 0.5, }, { language: 'Vietnamese', percent: 0.4, }, { language: 'Indonesian', percent: 0.4, }, { language: 'Greek', percent: 0.4, }, { language: 'Romanian', percent: 0.4, }, { language: 'Hungarian', percent: 0.3, }, { language: 'Danish', percent: 0.3, }, { language: 'Thai', percent: 0.3, }, { language: 'Finnish', percent: 0.2, }, { language: 'Slovak', percent: 0.2, }, { language: 'Bulgarian', percent: 0.2, }, { language: 'Norwegian', percent: 0.2, }, { language: 'Hebrew', percent: 0.1, }, { language: 'Lithuanian', percent: 0.1, }, { language: 'Croatian', percent: 0.1, }, { language: 'Ukrainian', percent: 0.1, }, { language: 'Norwegian Bokmål', percent: 0.1, }, { language: 'Serbian', percent: 0.1, }, { language: 'Catalan', percent: 0.1, }, { language: 'Slovenian', percent: 0.1, }, { language: 'Latvian', percent: 0.1, }, { language: 'Estonian', percent: 0.1, }];