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<!DOCTYPE html>
<html>
<head>
<title>Show a Users Position - Azure Maps Web SDK Samples</title>
<meta charset="utf-8" />
<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 how to get the users position information from the browser by using the HTML5 geolocation API and show it on a map." />
<meta name="keywords" content="map, gis, API, SDK, geolocation, user, location, position, gps" />
<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, datasource;
function GetMap() {
//Initialize a map instance.
map = new atlas.Map('myMap', {
view: 'Auto',
//Add your Azure Maps subscription key to the map SDK. Get an Azure Maps key at https://azure.com/maps
authOptions: {
authType: 'subscriptionKey',
subscriptionKey: '<Your Azure Maps Key>'
}
});
//Wait until the map resources are ready.
map.events.add('ready', function () {
//Request the user's location
navigator.geolocation.getCurrentPosition(function (position) {
//Create a data source and add it to the map.
datasource = new atlas.source.DataSource();
map.sources.add(datasource);
//Add the users position to the data source.
var userPosition = [position.coords.longitude, position.coords.latitude];
datasource.add(new atlas.data.Point(userPosition));
//Add a layer for rendering the users position as a symbol.
map.layers.add(new atlas.layer.SymbolLayer(datasource));
//Center the map on the users position.
map.setCamera({
center: userPosition,
zoom: 15
});
}, function (error) {
//If an error occurs when trying to access the users position information, display an error message.
switch (error.code) {
case error.PERMISSION_DENIED:
alert('User denied the request for Geolocation.');
break;
case error.POSITION_UNAVAILABLE:
alert('Position information is unavailable.');
break;
case error.TIMEOUT:
alert('The request to get user position timed out.');
break;
case error.UNKNOWN_ERROR:
alert('An unknown error occurred.');
break;
}
});
});
}
</script>
</head>
<body onload="GetMap()">
<div id="myMap" style="position:relative;width:100%;min-width:290px;height:600px;"></div>
<fieldset style="width:calc(100% - 30px);min-width:290px;margin-top:10px;">
<legend>Show a Users Position</legend>
This sample shows how to get the users position information from the browser by using the HTML5 geolocation API and show it on a map.
</fieldset>
</body>
</html>
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