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JavaScript/jQuery Vector Map - Bubble Markers

This example demonstrates how you can flag specific locations on the JavaScript VectorMap using markers of the «bubble» type. Marker size depends upon the attribute specified by the dataField property.

Backend API
$(() => { $('#vector-map').dxVectorMap({ layers: [{ dataSource: DevExpress.viz.map.sources.world, hoverEnabled: false, }, { name: 'bubbles', dataSource: markers, elementType: 'bubble', dataField: 'value', minSize: 20, maxSize: 40, sizeGroups: [0, 8000, 10000, 50000], opacity: 0.8, }], tooltip: { enabled: true, customizeTooltip(arg) { if (arg.layer.type === 'marker') { return { text: arg.attribute('tooltip') }; } return null; }, }, legends: [{ source: { layer: 'bubbles', grouping: 'size' }, markerShape: 'circle', customizeText(arg) { return ['< 8000K', '8000K to 10000K', '> 10000K'][arg.index]; }, customizeItems(items) { return items.reverse(); }, }], 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/25.1.3/css/dx.light.css" /> <script src="js/dx.all.js"></script> <script src="https://cdn3.devexpress.com/jslib/25.1.3/js/vectormap-data/world.js"></script> <script src="https://cdn3.devexpress.com/jslib/25.1.3/js/vectormap-data/africa.js"></script> <script src="https://cdn3.devexpress.com/jslib/25.1.3/js/vectormap-data/canada.js"></script> <script src="https://cdn3.devexpress.com/jslib/25.1.3/js/vectormap-data/eurasia.js"></script> <script src="https://cdn3.devexpress.com/jslib/25.1.3/js/vectormap-data/europe.js"></script> <script src="https://cdn3.devexpress.com/jslib/25.1.3/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; }
const markers = { type: 'FeatureCollection', features: $.map([ { coordinates: [-74, 40.7], text: 'New York City', value: 8406, }, { coordinates: [100.47, 13.75], text: 'Bangkok', value: 8281, }, { coordinates: [44.43, 33.33], text: 'Baghdad', value: 7181, }, { coordinates: [37.62, 55.75], text: 'Moscow', value: 12111, }, { coordinates: [121.5, 31.2], text: 'Shanghai', value: 24150, }, { coordinates: [-43.18, -22.9], text: 'Rio de Janeiro', value: 6429, }, { coordinates: [31.23, 30.05], text: 'Cairo', value: 8922, }, { coordinates: [28.95, 41], text: 'Istanbul', value: 14160, }, { coordinates: [127, 37.55], text: 'Seoul', value: 10388, }, { coordinates: [139.68, 35.68], text: 'Tokyo', value: 9071, }, { coordinates: [103.83, 1.28], text: 'Singapore', value: 5399, }, { coordinates: [30.3, 59.95], text: 'Saint Petersburg', value: 5131, }, { coordinates: [28.03, -26.2], text: 'Johannesburg', value: 4434, }, { coordinates: [144.95, -37.8], text: 'Melbourne', value: 4252, }, ], (data) => ({ type: 'Feature', geometry: { type: 'Point', coordinates: data.coordinates, }, properties: { text: data.text, value: data.value, tooltip: `<b>${data.text}</b>\n${data.value}K`, }, })), };