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Area with Labels and Two Legends
Documentation
The VectorMap widget allows you to use color and size indicators to better illustrate the values associated with areas/markers. Use map legends to provide additional information on colors and marker size.
Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
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var DemoApp = angular.module('DemoApp', ['dx']);
DemoApp.controller('DemoController', function DemoController($scope) {
$scope.vectorMapOptions = {
layers: [{
name: "areas",
dataSource: DevExpress.viz.map.sources.world,
palette:"Violet",
colorGroups: [0, 0.5, 0.8, 1, 2, 3, 100],
colorGroupingField: "population",
label: {
enabled: true,
dataField: "name"
},
customize: function (elements) {
elements.forEach(function (element) {
var name = element.attribute("name"),
population = populations[name];
if (population) {
element.attribute("population", population);
}
});
}
}, {
name: "markers",
dataSource: markers,
elementType: "bubble",
dataField: "value",
sizeGroups: [0, 8000, 10000, 50000],
opacity: 0.8,
label: {
enabled: false
}
}],
tooltip: {
enabled: true,
customizeTooltip: function (arg) {
return { text: arg.attribute("text") };
}
},
legends: [{
title: "World Population\nPercentages",
source: { layer: "areas", grouping: "color" },
horizontalAlignment: "left",
verticalAlignment: "bottom",
customizeText: function (arg) {
if (arg.index === 0) {
return "< 0.5%";
}
else if (arg.index === 5) {
return "> 3%";
}
else {
return arg.start + "% to " + arg.end + "%";
}
},
customizeItems: function(items) {
return items.reverse();
}
}, {
title: "City Population",
source: { layer: "markers", grouping: "size" },
markerShape: "circle",
horizontalAlignment: "right",
verticalAlignment: "bottom",
customizeText: function (arg) {
return ["< 8000K", "8000K to 10000K", "> 10000K"][arg.index];
},
customizeItems: function(items) {
return items.reverse();
}
}],
bounds: [-180, 85, 180, -75]
};
});
<!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/20.2.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/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/20.2.4/js/dx.all.js"></script>
<script src="https://cdn3.devexpress.com/jslib/20.2.4/js/vectormap-data/world.js"></script>
<script src="https://cdn3.devexpress.com/jslib/20.2.4/js/vectormap-data/africa.js"></script>
<script src="https://cdn3.devexpress.com/jslib/20.2.4/js/vectormap-data/canada.js"></script>
<script src="https://cdn3.devexpress.com/jslib/20.2.4/js/vectormap-data/eurasia.js"></script>
<script src="https://cdn3.devexpress.com/jslib/20.2.4/js/vectormap-data/europe.js"></script>
<script src="https://cdn3.devexpress.com/jslib/20.2.4/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: 700px;
}
var populations = {
"China": 19,
"India": 17.4,
"United States": 4.44,
"Indonesia": 3.45,
"Brazil": 2.83,
"Nigeria": 2.42,
"Bangladesh": 2.18,
"Russia": 2.04,
"Japan": 1.77,
"Mexico": 1.67,
"Philippines": 1.39,
"Vietnam": 1.25,
"Ethiopia": 1.23,
"Egypt": 1.21,
"Germany": 1.13,
"Turkey": 1.07,
"Democratic Republic of the Congo": 0.94,
"France": 0.92,
"Thailand": 0.9,
"United Kingdom": 0.89,
"Italy": 0.85,
"Burma": 0.84,
"South Africa": 0.74,
"South Korea": 0.7,
"Colombia": 0.66,
"Spain": 0.65,
"Tanzania": 0.63,
"Kenya": 0.62,
"Ukraine": 0.6,
"Argentina": 0.59,
"Algeria": 0.54,
"Poland": 0.54,
"Sudan": 0.52,
"Canada": 0.49,
"Uganda": 0.49,
"Morocco": 0.46,
"Uzbekistan": 0.43
};
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: [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: {
value: data.value,
text: data.text
}
};
})
};