Bubble Markers
Documentation
This example demonstrates how you can flag specific locations on the VectorMap using markers of the «bubble» type. Marker size depends upon the attribute specified by the dataField option.
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var DemoApp = angular.module('DemoApp', ['dx']);
DemoApp.controller('DemoController', function DemoController($scope) {
$scope.vectorMapOptions = {
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: function (arg) {
if (arg.layer.type === "marker") {
return { text: arg.attribute("tooltip") };
}
}
},
legends: [{
source: { layer: "bubbles", grouping: "size" },
markerShape: "circle",
customizeText: function (arg) {
return ["< 8000K", "8000K to 10000K", "> 10000K"][arg.index];
},
customizeItems: function(items){
return items.reverse();
}
}],
bounds: [-180, 85, 180, -60]
};
});
<!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/3.4.1/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/19.1.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.1.5/css/dx.light.css" />
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.16/angular.min.js"></script>
<script>window.angular || document.write(decodeURIComponent('%3Cscript src="js/angular.min.js"%3E%3C\/script%3E'))</script>
<script src="https://cdn3.devexpress.com/jslib/19.1.5/js/dx.all.js"></script>
<script src="https://cdn3.devexpress.com/jslib/19.1.5/js/vectormap-data/world.js"></script>
<script src="https://cdn3.devexpress.com/jslib/19.1.5/js/vectormap-data/africa.js"></script>
<script src="https://cdn3.devexpress.com/jslib/19.1.5/js/vectormap-data/canada.js"></script>
<script src="https://cdn3.devexpress.com/jslib/19.1.5/js/vectormap-data/eurasia.js"></script>
<script src="https://cdn3.devexpress.com/jslib/19.1.5/js/vectormap-data/europe.js"></script>
<script src="https://cdn3.devexpress.com/jslib/19.1.5/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" ng-app="DemoApp" ng-controller="DemoController">
<div id="vector-map" dx-vector-map="vectorMapOptions"></div>
</div>
</body>
</html>
#vector-map {
height: 440px;
width: 100%;
display: block;
}
var 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
}
], function (data) {
return {
type: "Feature",
geometry: {
type: "Point",
coordinates: data.coordinates
},
properties: {
text: data.text,
value: data.value,
tooltip: "<b>" + data.text + "</b>\n" + data.value + "K"
}
};
})
};