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Vector Map

Custom Annotations

Documentation

Annotations are containers for images, text blocks, and custom content. By using annotations, you can display additional information to your end users and improve the readability of data visualized within your app.

To create annotations, populate the widget's annotations array. Each object in the array configures an individual annotation. To specify settings for all annotations, use the commonAnnotationSettings object. Individual settings take precedence over common settings.

You can set each annotation type option to "text", "image", or "custom". In this demo, annotation type has been set to "custom".

Custom annotations require that you specify your own display template in SVG format. As you can see in the demo code, you can access annotation data within template markup.

For more information on annotation settings, refer to the annotations[] help topic.

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$(function(){ var formatNumber = new Intl.NumberFormat("en-US", { maximumFractionDigits: 0 }).format; $("#vector-map").dxVectorMap({ bounds: [-118, 55, -80, 23], commonAnnotationSettings: { type: 'custom', template: function(annotation, container) { const data = annotation.data; return "<svg class='annotation'>" + "<image href='../../../../images/flags/" + data.name.replace(/\s/, "").toLowerCase() + ".svg' width='60' height='40' />" + "<rect class='border' x='0' y='0' />" + "<text x='70' y='25' class='state'>" + data.name + "</text>" + "<text x='0' y='60'>" + "<tspan class='caption'>Capital:</tspan>" + "<tspan dx='5'>" + data.capital + "</tspan>" + "<tspan dy='14' x='0' class='caption'>Population:</tspan>" + "<tspan dx='5'>" + formatNumber(data.population) + "</tspan>" + "<tspan dy='14' x='0' class='caption'>Area:</tspan>" + "<tspan dx='5'>" + formatNumber(data.area) + "</tspan>" + "<tspan dx='5'>km</tspan><tspan dy='-2' class='sup'>2</tspan>" + "</text></svg>"; }, }, annotations: statesData, layers: [{ dataSource: DevExpress.viz.map.sources.usa }] }); });
<!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="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/20.2.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.3/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/20.2.3/js/dx.all.js"></script> <script src="https://cdn3.devexpress.com/jslib/20.2.3/js/vectormap-data/world.js"></script> <script src="https://cdn3.devexpress.com/jslib/20.2.3/js/vectormap-data/africa.js"></script> <script src="https://cdn3.devexpress.com/jslib/20.2.3/js/vectormap-data/canada.js"></script> <script src="https://cdn3.devexpress.com/jslib/20.2.3/js/vectormap-data/eurasia.js"></script> <script src="https://cdn3.devexpress.com/jslib/20.2.3/js/vectormap-data/europe.js"></script> <script src="https://cdn3.devexpress.com/jslib/20.2.3/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; } .annotation { font-size: 12px; } .border{ width: 60px; height: 40px; stroke: rgba(191, 191, 191, 0.25); stroke-width: 1px; fill: transparent; } .state { font-weight: 500; font-size: 14px; } .caption { font-weight: 500; } .sup { font-size: 0.8em; }
var statesData = [{ coordinates: [-75.4999, 43.00035], data: { name: "New York", population: 19746227, capital: "Albany", area: 141297 } }, { coordinates: [-89, 40], offsetX: -100, offsetY: -80, data: { name: "Illinois", population: 12880580, capital: "Springfield", area: 149995 } }, { coordinates: [-81.760254, 27.994402], data: { name: "Florida", population: 19893297, capital: "Tallahassee", area: 170312 } }, { coordinates: [-100, 31], data: { name: "Texas", population: 26956958, capital: "Austin", area: 695662 } }, { coordinates: [-119.417931, 36.778259], data: { name: "California", population: 38802500, capital: "Sacramento", area: 423967 } }];