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Pie Markers

This demo shows how to use markers of the «pie» type in the VectorMap. Values for pie markers are provided by the data field whose name is assigned to the dataField property.

Backend API
$(() => { $('#vector-map').dxVectorMap({ layers: [{ dataSource: DevExpress.viz.map.sources.world, hoverEnabled: false, }, { name: 'pies', dataSource: markers, elementType: 'pie', dataField: 'values', }], tooltip: { enabled: true, customizeTooltip(arg) { if (arg.layer.type === 'marker') { return { text: arg.attribute('tooltip') }; } return null; }, }, legends: [{ source: { layer: 'pies', grouping: 'color' }, customizeText(arg) { return names[arg.index]; }, }], bounds: [-180, 85, 180, -60], }); });
<!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="https://cdn3.devexpress.com/jslib/24.1.3/js/vectormap-data/world.js"></script> <script src="https://cdn3.devexpress.com/jslib/24.1.3/js/vectormap-data/africa.js"></script> <script src="https://cdn3.devexpress.com/jslib/24.1.3/js/vectormap-data/canada.js"></script> <script src="https://cdn3.devexpress.com/jslib/24.1.3/js/vectormap-data/eurasia.js"></script> <script src="https://cdn3.devexpress.com/jslib/24.1.3/js/vectormap-data/europe.js"></script> <script src="https://cdn3.devexpress.com/jslib/24.1.3/js/vectormap-data/usa.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="vector-map"></div> </div> </body> </html>
#vector-map { height: 440px; } .country { font-size: 15px; font-weight: 500; }
const names = ['Christian', 'Muslim', 'Unaffiliated', 'Buddhist', 'Jewish']; const markers = { type: 'FeatureCollection', features: $.map([ { coordinates: [34.6, -5.1], values: [61.4, 35.2, 1.4, 0, 0], country: 'Tanzania', }, { coordinates: [18.8, 15], values: [40.6, 55.3, 2.5, 0, 0], country: 'Chad', }, { coordinates: [7.36, 9.97], values: [49.3, 48.8, 0.4, 0, 0], country: 'Nigeria', }, { coordinates: [135.61, -24.57], values: [67.3, 2.4, 24.2, 2.7, 0.5], country: 'Australia', }, { coordinates: [103.3, 34.85], values: [5.1, 1.8, 52.2, 18.2, 0], country: 'China', }, { coordinates: [139.5, 37], values: [1.6, 0.2, 57, 36.2, 0], country: 'Japan', }, { coordinates: [100.8, 15.9], values: [0.9, 5.5, 0.3, 93.2, 0], country: 'Thailand', }, { coordinates: [10.4, 51.4], values: [68.7, 5.8, 24.7, 0.3, 0.3], country: 'Germany', }, { coordinates: [100.8, 65.3], values: [73.3, 10, 16.2, 0.1, 0.2], country: 'Russia', }, { coordinates: [-3.48, 40.36], values: [78.6, 2.1, 19, 0, 0.1], country: 'Spain', }, { coordinates: [-78.01, 21.72], values: [59.2, 0, 23, 0, 0], country: 'Cuba', }, { coordinates: [-63.7, -31.92], values: [85.2, 1, 12.2, 0.05, 0.5], country: 'Argentina', }, { coordinates: [-110.53, 60.78], values: [69, 2.1, 23.7, 0.5, 0.3], country: 'Canada', }, { coordinates: [-100.1, 40.14], values: [78.3, 0.9, 16.4, 1.2, 1.8], country: 'United States', }, { coordinates: [34.88, 31.16], values: [2, 18.6, 3.1, 0.3, 75.6], country: 'Israel', }, ], (data) => { const list = [`<span class='country'>${data.country}</span>`, '&nbsp;']; $.each(data.values, (i, value) => { if (value > 0) { list.push(`${names[i]}: ${value}%`); } }); return { type: 'Feature', geometry: { type: 'Point', coordinates: data.coordinates, }, properties: { tooltip: list.join('\n'), values: data.values, }, }; }), };