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<!DOCTYPE html>
<html>
<head>
<title>Simple Symbol Animation - 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 animate the position of a symbol on the map by updating the coordinates." />
<meta name="keywords" content="map, gis, API, SDK, animate, animation, symbols, pushpins, markers, pins" />
<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, pin, radius = 20;
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 () {
//Create a data source and add it to the map.
datasource = new atlas.source.DataSource();
map.sources.add(datasource);
//Create a layer that defines how to render the shapes in the data source and add it to the map.
map.layers.add(new atlas.layer.SymbolLayer(datasource, null, {
iconOptions: {
//For smoother animation, ignore the placement of the icon. This skips the label collision calculations and allows the icon to overlap map labels.
ignorePlacement: true,
//For smoother animation, allow symbol to overlap all other symbols on the map.
allowOverlap: true
},
textOptions: {
//For smoother animation, ignore the placement of the text. This skips the label collision calculations and allows the text to overlap map labels.
ignorePlacement: true,
//For smoother animation, allow text to overlap all other symbols on the map.
allowOverlap: true
}
}));
//Create a pin and wrap with the shape class and add to data source.
pin = new atlas.Shape(new atlas.data.Point(positionOnCircle(0)));
datasource.add(pin);
//Start the animation.
animateMarker(0);
});
}
function positionOnCircle(angle) {
//Calculate the position on a circle for an angle of animation.
return [
Math.cos(angle) * radius,
Math.sin(angle) * radius
];
}
function animateMarker(timestamp) {
//Update the position of the pin for the animation frame.
pin.setCoordinates(positionOnCircle(timestamp / 1000));
//Request the next frame of the animation.
requestAnimationFrame(animateMarker);
}
</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>Simple Symbol Animation</legend>
This sample shows how to animate the position of a symbol on the map by updating the coordinates.
</fieldset>
</body>
</html>
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