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Search for POIs along route.html
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Search for POIs along route.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Search for POIs along route - 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 to retrieve points of interest along a route." />
<meta name="keywords" content="Microsoft maps, map, gis, API, SDK, REST, service, points of interest, POI, directions, route, routing" />
<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>
<!-- Add a reference to the Azure Maps Services Module JavaScript file. -->
<script src="https://atlas.microsoft.com/sdk/javascript/service/2/atlas-service.min.js"></script>
<script>
var map, searchURL, routeURL, points, datasource, routeLine;
var aborter = atlas.service.Aborter.timeout(3000);
function getMap() {
//Initialize a map instance.
map = new atlas.Map('myMap', {
center: [-122.25, 47.64],
zoom: 11,
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]'
}
});
//Use MapControlCredential to share authentication between a map control and the service module.
var pipeline = atlas.service.MapsURL.newPipeline(new atlas.service.MapControlCredential(map));
//Create an instance of the SearchURL client.
searchURL = new atlas.service.SearchURL(pipeline, atlas.getDomain());
//Create an instance of the RouteURL client.
routeURL = new atlas.service.RouteURL(pipeline, atlas.getDomain());
//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 POI data points.
var waypointLayer = new atlas.layer.BubbleLayer(datasource, null, {
createIndicators: true, // to enable bubble layer a11y feature
//color: ['get', 'color'],
filter: ['any', ['==', ['geometry-type'], 'Point'], ['==', ['geometry-type'], 'MultiPoint']] //Only render Point or MultiPoints in this layer.
});
map.layers.add([
//Add a layer for rendering line data.
new atlas.layer.LineLayer(datasource, null, {
strokeColor: 'rgb(0, 204, 153)',
strokeWidth: 5,
filter: ['any', ['==', ['geometry-type'], 'LineString'], ['==', ['geometry-type'], 'MultiLineString']] //Only render LineString or MultiLineString in this layer.
}),
waypointLayer
]);
//Add click events to the waypoint layer.
map.events.add('click', waypointLayer, featureClicked);
//Create a popup but leave it closed so we can update it and display it later.
popup = new atlas.Popup();
});
}
async function calculateRoute() {
datasource.clear();
var start = document.getElementById('startTbx').value;
var end = document.getElementById('endTbx').value;
if (start == '' || end == '') {
alert('Invalid waypoint point specified.');
return;
}
//Geocode the start waypoint.
var startLocation = await searchURL.searchAddress(aborter, start, {
limit: 1,
view: 'Auto'
});
if (!startLocation || startLocation.results.length === 0) {
alert('Unable to geocode start waypoint.');
return;
}
var startPoint = [startLocation.results[0].position.lon, startLocation.results[0].position.lat];
//Geocode the end waypoint.
var endLocation = await searchURL.searchAddress(aborter, end, {
limit: 1,
view: 'Auto'
});
if (!endLocation || endLocation.results.length === 0) {
alert('Unable to geocode end waypoint.');
return;
}
var endPoint = [endLocation.results[0].position.lon, endLocation.results[0].position.lat];
//Calculate route.
var routeResponse = await routeURL.calculateRouteDirections(aborter, [startPoint, endPoint], {
maxAlternatives: 0,
instructionsType: 'text',
traffic: true
});
if (!routeResponse || routeResponse.routes.length === 0) {
alert('Unable to calculate route.');
return;
}
var route = routeResponse.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.
routeLine = new atlas.data.LineString(routeCoordinates);
//Display the route line on the map.
datasource.add(routeLine);
//Have the map focus on the route.
map.setCamera({
bounds: atlas.data.BoundingBox.fromData(routeLine),
padding: 40
});
//Get search query options.
var query = document.getElementById('queryTbx').value;
var maxDetourTime = parseInt(document.getElementById('maxDetourTimeSlider').value);
//Search for POIs along route.
var poiResponse = await searchURL.searchAlongRoute(aborter, query, maxDetourTime, {
route: routeLine
}, {
limit: 20
});
//Render the waypoints on the map.
datasource.add(poiResponse.geojson.getFeatures());
}
function featureClicked(e) {
//Make sure the event occurred on a shape feature.
if (e.shapes && e.shapes.length > 0) {
//Get the properties of the feature.
var properties = e.shapes[0].getProperties();
//Set the content and position of the popup.
popup.setOptions({
//Update the content of the popup.
content: atlas.PopupTemplate.applyTemplate(properties, {
//Since there is a lot of content, and we trust the content, don't sandbox it. Sandboxing limits the amount of data that can be rendered in the popup.
sandboxContent: false
}),
//Update the position of the popup with the pins coordinate.
position: e.shapes[0].getCoordinates()
});
//Open the popup.
popup.open(map);
}
}
</script>
</head>
<body onload="getMap()">
<div id="myMap" style="position:relative;width:100%;min-width:290px;height:600px;"></div>
<div style="position:absolute;top:15px;left:15px;background-color:white;padding:10px;border-radius:10px;">
<table>
<tr>
<td>Start: </td>
<td><input type="text" id="startTbx" value="Seattle" /></td>
</tr>
<tr>
<td>End: </td>
<td><input type="text" id="endTbx" value="Redmond" /></td>
</tr>
<tr><td colspan="2"><b>Search options</b></td></tr>
<tr>
<td>Query:</td>
<td><input type="text" id="queryTbx" value="pizza"/></td>
</tr>
<tr>
<td>Max detour time (seconds)</td>
<td>
<form oninput="mdt.value=maxDetourTimeSlider.value">
<input type="range" id="maxDetourTimeSlider" value="300" min="0" max="3600" step="60"/>
<output name="mdt" for="maxDetourTimeSlider">300</output>
</form>
</td>
</tr>
<tr>
<td></td>
<td><input type="button" value="Calculate Route" onclick="calculateRoute()" /></td>
</tr>
</table>
</div>
<fieldset style="width:calc(100% - 30px);min-width:290px;margin-top:10px;">
<legend>Search for POIs along route</legend>
This sample shows how to retrieve points of interest along a route.
</fieldset>
</body>
</html>