Add multiple geometries from one GeoJSON source | NMaps GL JS Docs

This example uses addSource to add one GeoJSON source to a map. The source contains both polygon and point features.

Then it uses addLayer to add one fill layer, which will render the polygons, and one circle layer, which will render the points, to the map.

<!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://cdn.ndrive.com/nmapsgl/v1.6.6/nmaps-gl.js"></script>
<link href="https://cdn.ndrive.com/nmapsgl/v1.6.6/nmaps-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>
	// TO MAKE THE MAP APPEAR YOU MUST ADD YOUR ACCESS TOKEN
	nmapsgl.accessToken = '<your access token here>';
	
const map = new nmapsgl.Map({
container: 'map',
style: 'Streets',
center: [-121.403732, 40.492392],
zoom: 10
});
 
map.on('load', () => {
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>