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AzureMapsGovCloudCodeSamples/AzureMapsCodeSamples/Symbol Layer/All built-in icon templates as symbols.html

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<!DOCTYPE html>
<html lang="en">
<head>
<title>All built-in icon templates as symbols - Azure Maps Web SDK Samples</title>
<meta charset="utf-8" />
<link rel="shortcut icon" href="/favicon.ico"/>
<meta http-equiv="x-ua-compatible" content="IE=Edge" />
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<meta name="description" content="This sample shows all the built-in icon templates rendered on a symbol layer." />
<meta name="keywords" content="Microsoft maps, map, gis, API, SDK, image template, icon templates" />
<meta name="author" content="Microsoft Azure Maps" />
<!-- Add references to the Azure Maps Map control JavaScript and CSS files. -->
<link rel="stylesheet" href="https://atlas.microsoft.com/sdk/javascript/mapcontrol/2/atlas.min.css" type="text/css" />
<script src="https://atlas.microsoft.com/sdk/javascript/mapcontrol/2/atlas.min.js"></script>
<script type='text/javascript'>
var map;
function GetMap() {
//Point the Azure Maps domain to the US Azure Gov Cloud domain.
atlas.setDomain('atlas.azure.us');
//Initialize a map instance.
map = new atlas.Map('myMap', {
zoom: 4,
center: [20, -10],
style: 'blank',
view: 'Auto',
//Add authentication details for connecting to Azure Maps.
authOptions: {
//Use Azure Active Directory authentication.
authType: 'anonymous',
clientId: 'c9f2f391-13f1-407b-a4a5-f0a241bacfbf', //Your Azure Active Directory client id for accessing your Azure Maps account.
getToken: function (resolve, reject, map) {
//URL to your authentication service that retrieves an Azure Active Directory Token.
var tokenServiceUrl = 'https://azuremapscodesamples.azurewebsites.us/Common/TokenService.ashx';
fetch(tokenServiceUrl).then(r => r.text()).then(token => resolve(token));
}
//Alternatively, use an Azure Maps key. Get an Azure Maps key at https://azure.com/maps. NOTE: The primary key should be used as the key.
//authType: 'subscriptionKey',
//subscriptionKey: '<Your Azure Maps Key>'
}
});
//Wait until the map resources are ready.
map.events.add('ready', function () {
datasource = new atlas.source.DataSource();
map.sources.add(datasource);
//Get all icon templates available in the map control.
var keys = atlas.getAllImageTemplateNames();
//Create a grid of the HTML markers, each using a different icon template.
var cols = 6;
var rows = Math.ceil(keys.length / cols);
for (var row = 0; row < rows; row++) {
for (var col = 0; col < cols; col++) {
var idx = cols * row + col;
if (idx < keys.length) {
createIcon(keys[idx], row, col);
}
}
}
//Create a symbol layer and render each icon template as a symbol and it's id below it.
map.layers.add(new atlas.layer.SymbolLayer(datasource, null, {
iconOptions: {
image: ['get', 'iconId'],
allowOverlap: true,
ignorePlacement: true
},
textOptions: {
textField: ['get', 'iconId'],
offset: [0, 1.2],
allowOverlap: true,
ignorePlacement: true
}
}));
});
}
function createIcon(id, row, col) {
map.imageSprite.createFromTemplate(id, id, 'teal', '#fff', 1).then(function () {
datasource.add(new atlas.data.Feature(new atlas.data.Point([8 * col, -3.5 * row]), {
iconId: id
}));
});
}
</script>
</head>
<body onload="GetMap()">
<div id="myMap" style="position:relative;width:100%;min-width:290px;height:600px;background-color:gray"></div>
<fieldset style="width:calc(100% - 30px);min-width:290px;margin-top:10px;">
<legend><h1 style="font-size:16px">All built-in icon templates as symbols</h1></legend>
This sample shows all the built-in icon templates rendered on a symbol layer.
</fieldset>
</body>
</html>