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Route to a destination.html
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Route to a destination.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Route to a destination - 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 tutorial shows how to calculate a route and display it on the map." />
<meta name="keywords" content="Microsoft maps, map, gis, API, SDK, services, module, tutorials, routing, directions, route, truck, commercial vehicle" />
<meta name="author" content="Microsoft Azure Maps" />
<meta name="version" content="2.0" />
<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>
<!-- Add a reference to the Azure Maps Rest Helper JavaScript file. -->
<script src="https://samples.azuremaps.com/lib/azure-maps/azure-maps-helper.min.js"></script>
<script>
var map, datasource;
// Your Azure Maps client id for accessing your Azure Maps account.
var azureMapsClientId = 'e6b6ab59-eb5d-4d25-aa57-581135b927f0';
// URL to your authentication service that retrieves an Microsoft Entra ID Token.
var tokenServiceUrl = 'https://samples.azuremaps.com/api/GetAzureMapsToken';
// URL for the Azure Maps Route API.
var routeUrl = 'https://{azMapsDomain}/route/directions/json?api-version=1.0&query={query}&routeRepresentation=polyline&travelMode=car&view=Auto';
// Function to retrieve an Azure Maps access token.
function getToken(resolve, reject, map) {
fetch(tokenServiceUrl).then(response => {
if (response.ok) {
return response.text();
}
throw new Error('Failed to retrieve Azure Maps token.');
}).then(token => resolve(token)).catch(error => reject(error));
}
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: azureMapsClientId,
getToken: getToken
// 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 routeRequestURL = routeUrl
.replace('{query}', `${startPosition[1]},${startPosition[0]}:${endPosition[1]},${endPosition[0]}`);
// Process the request and render the route result on the map.
processRequest(routeRequestURL).then(directions => {
// Extract the first route from the directions.
const route = directions.routes[0];
// Combine all leg coordinates into a single array.
const routeCoordinates = route.legs.flatMap(leg => leg.points.map(point => [point.longitude, point.latitude]));
// Create a LineString from the route path points.
const routeLine = new atlas.data.LineString(routeCoordinates);
// Add it to the data source.
datasource.add(routeLine);
});
});
}
</script>
<style>
html,
body {
width: 100%;
height: 100%;
padding: 0;
margin: 0;
}
#myMap {
width: 100%;
height: 100%;
}
</style>
</head>
<body onload="getMap()">
<div id="myMap"></div>
</body>
</html>