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Animate a snakeline.html
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Animate a snakeline.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Animate a snakeline - Azure Maps Web SDK Samples</title>
<meta charset="utf-8" />
<link rel="shortcut icon" href="/favicon.ico"/>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<meta name="description" content="This sample shows how to animate a LineString such that its path is drawn out smoothly over time on top of the map using what is called a snakeline animation." />
<meta name="keywords" content="Microsoft maps, map, gis, API, SDK, animation, animate, animations, line, linestring" />
<meta name="author" content="Microsoft Azure Maps" /><meta name="version" content="1.0" />
<meta name="screenshot" content="screenshot.gif" />
<!-- Add references to the Azure Maps Map control JavaScript and CSS files. -->
<link href="https://atlas.microsoft.com/sdk/javascript/mapcontrol/3/atlas.min.css" rel="stylesheet" />
<script src="https://atlas.microsoft.com/sdk/javascript/mapcontrol/3/atlas.min.js"></script>
<!-- Add reference to the animation module. -->
<script src="/lib/azure-maps/azure-maps-animations.min.js"></script>
<script>
var map, line, animation;
//Create an array of points to define a path to animate along.
var path = [
[-122.33825, 47.53945],
[-122.26135, 47.36115],
[-122.37121, 47.19717],
[-122.71179, 47.12247],
[-122.82165, 47.06263],
[-122.93151, 46.77373],
[-122.61840, 46.50217],
[-122.23388, 46.45678],
[-121.83837, 46.45678],
[-121.58020, 46.60039],
[-121.49780, 46.75491],
[-121.44836, 47.00273],
[-121.39892, 47.20091],
[-121.42089, 47.42065],
[-121.32202, 47.56911],
[-121.10229, 47.57652],
[-120.86059, 47.52461],
[-120.67382, 47.36115],
[-120.45410, 47.07760]
];
function getMap() {
//Initialize a map instance.
map = new atlas.Map('myMap', {
center: [-121.69281, 47.019588],
zoom: 7,
view: 'Auto',
//Add authentication details for connecting to Azure Maps.
authOptions: {
//Use Microsoft Entra ID authentication.
authType: 'anonymous',
clientId: 'e6b6ab59-eb5d-4d25-aa57-581135b927f0', //Your Azure Maps client id for accessing your Azure Maps account.
getToken: function (resolve, reject, map) {
//URL to your authentication service that retrieves an Microsoft Entra ID Token.
var tokenServiceUrl = 'https://samples.azuremaps.com/api/GetAzureMapsToken';
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 () {
line = new atlas.Shape(new atlas.data.LineString(path));
//Create a data source and add it to the map.
datasource = new atlas.source.DataSource();
map.sources.add(datasource);
//Add the data to the data source.
datasource.add(line);
//Add a layer for rendering line data.
map.layers.add(new atlas.layer.LineLayer(datasource, null, {
strokeColor: 'red',
strokeWidth: 5,
}));
});
map.events.add('click', function () {
if (animation) {
//Stop the animation in case it is already running, then play it again.
animation.stop();
animation.play();
} else {
//Create the animation.
animation = atlas.animations.snakeline(line, { duration: 2000, easing: 'easeInCubic', autoPlay: true });
}
});
}
</script>
</head>
<body onload="getMap()">
<div id="myMap" style="position:relative;width:100%;min-width:290px;height:600px;"></div>
<div style="position:absolute;top:0px;left:calc(50% - 100px);background-color:white;padding:5px;">Click the map to animate line.</div>
<fieldset style="width:calc(100% - 30px);min-width:290px;margin-top:10px;">
<legend>Animate a snakeline</legend>
This sample shows how to animate a LineString such that its path is drawn out smoothly over time on top of the map using what is called a snakeline animation.
This sample uses the open source <a href="https://github.com/Azure-Samples/azure-maps-animations" target="_blank">Azure Maps Animation module</a>
</fieldset>
</body>
</html>