Vector tile heat map.html

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Vector tile heat map - 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 how to use a vector tile service to render data as a heat map." />
    <meta name="keywords" content="Microsoft maps, map, gis, API, SDK, heatmap, heat map, heatmaps, heat maps, density, layer, thermatic, vector tiles, mbtiles, 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, datasource, popup;

        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: [-78, 40],
                style: 'grayscale_dark',
                zoom: 5,
                view: 'Auto',

                //Add your Azure Maps subscription client ID to the map SDK. Get an Azure Maps client ID at https://azure.com/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 reusable popup.
                popup = new atlas.Popup();

                //Create a vector tile source and add it to the map.
                datasource = new atlas.source.VectorTileSource(null, {
                    tiles: ['https://{azMapsDomain}/traffic/flow/tile/pbf?api-version=1.0&style=relative&zoom={z}&x={x}&y={y}'],
                    maxZoom: 22
                });
                map.sources.add(datasource);

                //Create a layer for traffic flow lines.
                var flowLayer = new atlas.layer.HeatMapLayer(datasource, null, {
                    //The name of the data layer within the data source to pass into this rendering layer.
                    sourceLayer: 'Traffic flow',

                    //Give each data point a weight based on the level of traffic.
                    //Since traffic flow level goes from 0 - closed, to 1 - free flow, lets intverse this value so slower areas have more weight.
                    weight: ['-', 1, ['get', 'traffic_level']],

                    //Give each data point a radius.
                    radius: 5,

                    //Ignore roads where traffic is travelling at 80% of the posted speed limit or higher.
					filter: ['<', ['get', 'traffic_level'], 0.80]
                });

                //Add the traffic flow layer below the labels to make the map clearer.
                map.layers.add(flowLayer, 'labels');

                //Add a click event to the layer to display details about the traffic flow line.
                map.events.add('click', flowLayer, featureClicked);
            });
        }

        function featureClicked(e) {
            //Make sure the event occurred on a shape feature.
            if (e.shapes && e.shapes.length > 0) {
                //Since the data is coming from a vector tile source, it will be a raw GeoJSON feature and not a Shape class.

                //Update the content and position of the popup.
                popup.setOptions({
                    //Apply a template to the properties of the shape feature.
                    content: atlas.PopupTemplate.applyTemplate(e.shapes[0].properties),
                    position: e.position
                });

                //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>

    <fieldset style="width:calc(100% - 30px);min-width:290px;margin-top:10px;">
        <legend><h1 style="font-size:16px">Vector tile heat map</h1></legend>
        This sample shows how to how to use a vector tile service to render data as a heat map.
        In this case traffic flow data is used. The points that make up the flow lines are used as the heat points. Points that have a traffic flow greater than 80% of the posted speed limit are ignored. The traffic level is used to weight each data point in the heat map.
        <br /><br />
        This sample uses the <a href="https://docs.microsoft.com/en-us/rest/api/maps/traffic/gettrafficflowtile">Azure Maps vector tile traffic flow service</a>.
        Detailed information about the format of the traffic flow vector tiles can be found
        <a href="https://developer.tomtom.com/traffic-api/traffic-api-documentation-traffic-flow/vector-flow-tiles">here</a>.
    </fieldset>
</body>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<title>Vector tile heat map - 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 how to use a vector tile service to render data as a heat map." />
	<meta name="keywords" content="Microsoft maps, map, gis, API, SDK, heatmap, heat map, heatmaps, heat maps, density, layer, thermatic, vector tiles, mbtiles, 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, datasource, popup;

	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: [-78, 40],
	style: 'grayscale_dark',
	zoom: 5,
	view: 'Auto',

	//Add your Azure Maps subscription client ID to the map SDK. Get an Azure Maps client ID at https://azure.com/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 reusable popup.
	popup = new atlas.Popup();

	//Create a vector tile source and add it to the map.
	datasource = new atlas.source.VectorTileSource(null, {
	tiles: ['https://{azMapsDomain}/traffic/flow/tile/pbf?api-version=1.0&style=relative&zoom={z}&x={x}&y={y}'],
	maxZoom: 22
	});
	map.sources.add(datasource);

	//Create a layer for traffic flow lines.
	var flowLayer = new atlas.layer.HeatMapLayer(datasource, null, {
	//The name of the data layer within the data source to pass into this rendering layer.
	sourceLayer: 'Traffic flow',

	//Give each data point a weight based on the level of traffic.
	//Since traffic flow level goes from 0 - closed, to 1 - free flow, lets intverse this value so slower areas have more weight.
	weight: ['-', 1, ['get', 'traffic_level']],

	//Give each data point a radius.
	radius: 5,

	//Ignore roads where traffic is travelling at 80% of the posted speed limit or higher.
	filter: ['<', ['get', 'traffic_level'], 0.80]
	});

	//Add the traffic flow layer below the labels to make the map clearer.
	map.layers.add(flowLayer, 'labels');

	//Add a click event to the layer to display details about the traffic flow line.
	map.events.add('click', flowLayer, featureClicked);
	});
	}

	function featureClicked(e) {
	//Make sure the event occurred on a shape feature.
	if (e.shapes && e.shapes.length > 0) {
	//Since the data is coming from a vector tile source, it will be a raw GeoJSON feature and not a Shape class.

	//Update the content and position of the popup.
	popup.setOptions({
	//Apply a template to the properties of the shape feature.
	content: atlas.PopupTemplate.applyTemplate(e.shapes[0].properties),
	position: e.position
	});

	//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>

	<fieldset style="width:calc(100% - 30px);min-width:290px;margin-top:10px;">
	<legend><h1 style="font-size:16px">Vector tile heat map</h1></legend>
	This sample shows how to how to use a vector tile service to render data as a heat map.
	In this case traffic flow data is used. The points that make up the flow lines are used as the heat points. Points that have a traffic flow greater than 80% of the posted speed limit are ignored. The traffic level is used to weight each data point in the heat map.
	<br /><br />
	This sample uses the <a href="https://docs.microsoft.com/en-us/rest/api/maps/traffic/gettrafficflowtile">Azure Maps vector tile traffic flow service</a>.
	Detailed information about the format of the traffic flow vector tiles can be found
	<a href="https://developer.tomtom.com/traffic-api/traffic-api-documentation-traffic-flow/vector-flow-tiles">here</a>.
	</fieldset>
	</body>
	</html>