UNL Map JSUNL Map JS DocsExamplesAdd multiple geometries from one GeoJSON source

Add multiple geometries from one GeoJSON source

Add a polygon and circle layer from the same GeoJSON source.

Note
If you want to test this example, edit it in JSFiddle or CodePen and replace the "YOUR-OWN-API-KEY" and "YOUR-OWN-VPM-ID" placeholders with your actual api key and vpm id.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Add multiple geometries from one GeoJSON source</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
<script src="https://unpkg.com/unl-map-js@0.1.5/lib/unl-map-js.js"></script>
<link href="https://unpkg.com/unl-map-js@0.1.5/lib/unl-map-js.css" rel="stylesheet" />
<link
href="https://unpkg.com/maplibre-gl@2.1.9/dist/maplibre-gl.css"
rel="stylesheet"
/>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<div id="map"></div>
<script>
var map = new UnlSdk.Map({
container: "map",
apiKey: "YOUR-OWN-API-KEY",
vpmId: "YOUR-OWN-VPM-ID",
center: [-121.403732, 40.492392],
zoom: 10,
});
map.on("load", function () {
map.addSource("national-park", {
type: "geojson",
data: {
type: "FeatureCollection",
features: [
{
type: "Feature",
geometry: {
type: "Polygon",
coordinates: [
[
[-121.353637, 40.584978],
[-121.284551, 40.584758],
[-121.275349, 40.541646],
[-121.246768, 40.541017],
[-121.251343, 40.423383],
[-121.32687, 40.423768],
[-121.360619, 40.43479],
[-121.363694, 40.409124],
[-121.439713, 40.409197],
[-121.439711, 40.423791],
[-121.572133, 40.423548],
[-121.577415, 40.550766],
[-121.539486, 40.558107],
[-121.520284, 40.572459],
[-121.487219, 40.550822],
[-121.446951, 40.56319],
[-121.370644, 40.563267],
[-121.353637, 40.584978],
],
],
},
},
{
type: "Feature",
geometry: {
type: "Point",
coordinates: [-121.415061, 40.506229],
},
},
{
type: "Feature",
geometry: {
type: "Point",
coordinates: [-121.505184, 40.488084],
},
},
{
type: "Feature",
geometry: {
type: "Point",
coordinates: [-121.354465, 40.488737],
},
},
],
},
});
map.addLayer({
id: "park-boundary",
type: "fill",
source: "national-park",
paint: {
"fill-color": "#888888",
"fill-opacity": 0.4,
},
filter: ["==", "$type", "Polygon"],
});
map.addLayer({
id: "park-volcanoes",
type: "circle",
source: "national-park",
paint: {
"circle-radius": 6,
"circle-color": "#B42222",
},
filter: ["==", "$type", "Point"],
});
});
</script>
</body>
</html>