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Traffic Overlay Options.html
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Traffic Overlay Options.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Traffic Overlay Options - 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 the different Traffic Options change how the traffic overlay is rendered on the map." />
<meta name="keywords" content="Microsoft maps, map, gis, API, SDK, traffic, layer, flow, incidents" />
<meta name="author" content="Microsoft Azure Maps" /><meta name="version" content="1.0" />
<meta name="screenshot" content="screenshot.jpg" />
<!-- 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>
<script>
var map;
function getMap() {
//Initialize a map instance.
map = new atlas.Map('myMap', {
center: [-122.33, 47.6],
zoom: 12,
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 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/azure-maps-control/atlas.trafficoptions?view=azure-maps-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>