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<!DOCTYPE html>
<html lang="en">
<head>
<title>Simple REST Directions (Route) - Azure Maps Web SDK Samples</title>
<meta charset="utf-8" />
<link rel="shortcut icon" href="/favicon.ico"/>
<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 calculate simple directions between two points using the Azure Maps REST Route API and render it on a map." />
<meta name="keywords" content="Microsoft maps, map, gis, API, SDK, REST, service, directions, route, routing" />
<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;
var restRoutingRequestUrl = 'https://{azMapsDomain}/route/directions/json?api-version=1&query={query}&routeRepresentation=polyline&travelMode=car&view=Auto';
function GetMap() {
//Point the Azure Maps domain to the US Azure Gov Cloud domain.
atlas.setDomain('atlas.azure.us');
//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 Azure Active Directory authentication.
authType: 'anonymous',
clientId: 'c9f2f391-13f1-407b-a4a5-f0a241bacfbf', //Your Azure Active Directory client id for accessing your Azure Maps account.
getToken: function (resolve, reject, map) {
//URL to your authentication service that retrieves an Azure Active Directory Token.
var tokenServiceUrl = 'https://azuremapscodesamples.azurewebsites.us/Common/TokenService.ashx';
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 () {
//Create a data source and add it to the map.
datasource = new atlas.source.DataSource();
map.sources.add(datasource);
//Add a layer for rendering the route line and have it render under the map labels.
map.layers.add(new atlas.layer.LineLayer(datasource, null, {
strokeColor: '#2272B9',
strokeWidth: 5,
lineJoin: 'round',
lineCap: 'round'
}), 'labels');
//Add a layer for rendering point data.
map.layers.add(new atlas.layer.SymbolLayer(datasource, null, {
iconOptions: {
image: ['get', 'iconImage'],
allowOverlap: true,
ignorePlacement: true
},
textOptions: {
textField: ['get', 'title'],
offset: [0, 1]
},
filter: ['any', ['==', ['geometry-type'], 'Point'], ['==', ['geometry-type'], 'MultiPoint']] //Only render Point or MultiPoints in this layer.
}));
/* Create the GeoJSON objects which represent the start and end point of the route */
var startPosition = [-122.33028, 47.60323];
var startPoint = new atlas.data.Feature(new atlas.data.Point(startPosition), {
title: 'Seattle',
iconImage: 'pin-blue'
});
var endPosition = [-122.124, 47.67491];
var endPoint = new atlas.data.Feature(new atlas.data.Point(endPosition), {
title: 'Redmond',
iconImage: 'pin-red'
});
//Add the data to the data source.
datasource.add([startPoint, endPoint]);
//Fit the map window to the bounding box defined by the start and end positions.
map.setCamera({
bounds: atlas.data.BoundingBox.fromPositions([startPosition, endPosition]),
padding: 50
});
//Create the route request with the query being the start and end point in the format 'startLongitude,startLatitude:endLongitude,endLatitude'.
var requestUrl = restRoutingRequestUrl.replace('{query}', `${startPosition[1]},${startPosition[0]}:${endPosition[1]},${endPosition[0]}`);
//Process the request and render the route result on the map.
processRequest(requestUrl).then(response => {
var route = response.routes[0];
var routeCoordinates = [];
for (var legIndex = 0; legIndex < route.legs.length; legIndex++) {
var leg = route.legs[legIndex];
//Convert the route point data into a format that the map control understands.
var legCoordinates = leg.points.map(function (point) {
return [point.longitude, point.latitude];
});
//Combine the route point data for each route leg together to form a single path.
routeCoordinates = routeCoordinates.concat(legCoordinates);
}
//Create a line from the route path points and add it to the data source.
var routeLine = new atlas.data.LineString(routeCoordinates);
datasource.add(routeLine);
});
});
}
function processRequest(url) {
//This is a reusable function that sets the Azure Maps platform domain, sings the request, and makes use of any transformRequest set on the map.
return new Promise((resolve, reject) => {
//Replace the domain placeholder to ensure the same Azure Maps cloud is used throughout the app.
url = url.replace('{azMapsDomain}', atlas.getDomain());
//Get the authentication details from the map for use in the request.
var requestParams = map.authentication.signRequest({ url: url });
//Transform the request.
var transform = map.getServiceOptions().tranformRequest;
if (transform) {
requestParams = transform(url);
}
fetch(requestParams.url, {
method: 'GET',
mode: 'cors',
headers: new Headers(requestParams.headers)
})
.then(r => r.json(), e => reject(e))
.then(r => {
resolve(r);
}, e => reject(e));
});
}
</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><h1 style="font-size:16px">Simple REST Directions (Route)</h1></legend>
This sample shows how to calculate simple directions between two points using the Azure Maps REST Route API and render it on a map.
</fieldset>
</body>
</html>