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<!DOCTYPE html>
<html>
<head>
<title>Traffic Overlay Options - 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 the different Traffic Options change how the traffic overlay is rendered on the map." />
<meta name="keywords" content="map, gis, API, SDK, traffic, layer, flow, incidents" />
<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() {
//Initialize a map instance.
map = new atlas.Map('myMap', {
center: [-122.33, 47.6],
zoom: 12,
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 have fully loaded are ready, then load the traffic overlay.
map.events.add('ready', function () {
//Create a style control and add it to the map.
map.controls.add(new atlas.control.StyleControl(), {
position: 'top-right'
});
UpdateTrafficOverlay();
});
}
function UpdateTrafficOverlay() {
//Retrieve the options from the input fields.
var incidentOption = document.getElementById('incidentOption').checked;
var elm = document.getElementById('flowOptions');
var selectedFlowOption = elm.options[elm.selectedIndex].value;
//Set the trafficv overlay options.
map.setTraffic({
incidents: incidentOption,
flow: selectedFlowOption
});
}
</script>
</head>
<body onload="GetMap()">
<div id="myMap" style="position:relative;width:100%;min-width:290px;height:600px;"></div>
<div style="background-color:white;padding:10px;position:absolute;top:0;left:0;">
Incidents: <input id="incidentOption" type="checkbox" checked="checked" onclick="UpdateTrafficOverlay()" />
Flow:
<select id="flowOptions" onchange="UpdateTrafficOverlay()">
<option value="none">none</option>
<option value="relative" selected="selected">relative</option>
<option value="absolute">absolute</option>
<option value="relative-delay">relative-delay</option>
</select>
</div>
<fieldset style="width:calc(100% - 30px);min-width:290px;margin-top:10px;">
<legend>Traffic Overlay Options</legend>
This sample shows how the different
<a href="https://docs.microsoft.com/en-us/javascript/api/location-based-services-javascript/trafficoptions?view=azure-iot-typescript-latest" target="_blank">TrafficOptions</a>
change how the traffic overlay is rendered on the map.
<br /><br />
Flow:
<ul>
<li>"none" - is to display no traffic flow data.</li>
<li>"relative" - is the speed of the road relative to free-flow.</li>
<li>"absolute" - is the absolute speed of the road.</li>
<li>"relative-delay" - displays relative speed only where they differ from free-flow; false to stop displaying the traffic flow.</li>
</ul>
</fieldset>
</body>
</html>
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