Add a custom GeoJSON layer

Adding custom GeoJSON data

This example renders a static GeoJSON object consisting of a polygon feature to the map. Two separate style layers are associated with the data source: one that fills the geometry and another that draws a thicker outline along the geometry edges.

add-geojson-layer.html
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>MapsGL SDK - Add a custom GeoJSON layer</title>
    <meta name="description" content="Add custom static GeoJSON data to the map." />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
 
    <link href="https://api.mapbox.com/mapbox-gl-js/v2.8.0/mapbox-gl.css" rel="stylesheet" />
    <script defer src="https://api.mapbox.com/mapbox-gl-js/v2.8.0/mapbox-gl.js"></script>
 
    <link href="https://cdn.aerisapi.com/sdk/js/mapsgl/latest/aerisweather.mapsgl.css" rel="stylesheet" />
    <script defer src="https://cdn.aerisapi.com/sdk/js/mapsgl/latest/aerisweather.mapsgl.js"></script>
    
 
    <style>
    body, html {
        margin: 0;
        padding: 0;
    }
    #map {
        height: 100vh;
        width: 100%;
    }
    </style>
 
</head>
<body>
    <div id="map"></div>
 
    <script>
        window.addEventListener('load', () => {
 
            mapboxgl.accessToken = 'MAPBOX_TOKEN';
            const map = new mapboxgl.Map({
                container: document.getElementById('map'),
                style: 'mapbox://styles/mapbox/light-v9',
                center: [-8, 40],
                zoom:5
            });
 
            const account = new aerisweather.mapsgl.Account('CLIENT_ID', 'CLIENT_SECRET');
            const controller = new aerisweather.mapsgl.MapboxMapController(map, { account });
            
            controller.on('load', () => {
 
                // add a custom polygon as GeoJSON data
                controller.addSource('country-region', {
                    type: 'geojson',
                    data: {
                        "type": "FeatureCollection",
                        "features": [
                            {
                                "type": "Feature",
                                "properties": {
                                    "type": "Sovereign country",
                                    "name": "Portugal",
                                    "continent": "Europe",
                                    "region_un": "Europe",
                                    "subregion": "Southern Europe",
                                    "region_wb": "Europe & Central Asia"
                                },
                                "geometry": {
                                    "type": "Polygon",
                                    "coordinates": [
                                        [
                                            [-9.034817674180246, 41.88057058365967],
                                            [-8.67194576662672, 42.13468943945496],
                                            [-8.263856980817792, 42.28046865495034],
                                            [-8.013174607769912, 41.790886135417125],
                                            [-7.422512986673795, 41.79207469335983],
                                            [-7.251308966490824, 41.91834605566505],
                                            [-6.668605515967656, 41.883386949219584],
                                            [-6.389087693700915, 41.381815497394655],
                                            [-6.851126674822552, 41.11108266861753],
                                            [-6.864019944679385, 40.33087189387483],
                                            [-7.026413133156595, 40.184524237624245],
                                            [-7.066591559263529, 39.71189158788277],
                                            [-7.498632371439725, 39.62957103124181],
                                            [-7.098036668313128, 39.03007274022378],
                                            [-7.374092169616318, 38.37305858006492],
                                            [-7.029281175148796, 38.07576406508977],
                                            [-7.166507941099865, 37.803894354802225],
                                            [-7.537105475281024, 37.42890432387623],
                                            [-7.453725551778092, 37.09778758396607],
                                            [-7.855613165711985, 36.83826854099627],
                                            [-8.382816127953689, 36.97888011326246],
                                            [-8.898856980820327, 36.86880931248078],
                                            [-8.746101446965554, 37.65134552667661],
                                            [-8.839997524439879, 38.26624339451761],
                                            [-9.287463751655224, 38.3584858261586],
                                            [-9.526570603869715, 38.73742910415491],
                                            [-9.446988898140232, 39.39206614842837],
                                            [-9.048305223008427, 39.75509308527877],
                                            [-8.977353481471681, 40.15930613866581],
                                            [-8.768684047877102, 40.76063894303019],
                                            [-8.79085323733031, 41.18433401139126],
                                            [-8.99078935386757, 41.54345937760364],
                                            [-9.034817674180246, 41.88057058365967]
                                        ]
                                    ]
                                }
                            }
                        ]
                    }
                });
 
                // fill the polygon region
                controller.addLayer('region-fill', {
                    source: 'country-region',
                    type: 'fill',
                    paint: {
                        fill: {
                            color: '#ff0000',
                            opacity: 0.5
                        }
                    }
                });
 
                // add a thicker outline to the region
                controller.addLayer('region-outline', {
                    source: 'country-region',
                    type: 'line',
                    paint: {
                        stroke: {
                            color: '#ff0000',
                            thickness: 5
                        }
                    }
                });
 
            });
        });
    </script>
 
</body>
</html>