Esri Leaflet

Clustering points

Visualize dense services as clusters of points with the L.markercluster plugin. More information about Feature Layers can be found in the L.esri.FeatureLayer documentation.

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8" />
  <title>Clustering points</title>
  <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />

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  <!-- Load Leaflet MarkerCluster and Esri Leaflet Cluster from CDN -->
  <link rel="stylesheet" type="text/css"
    href="https://unpkg.com/leaflet.markercluster@1.5.0/dist/MarkerCluster.Default.css"
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  <script src="https://unpkg.com/leaflet.markercluster@1.5.0/dist/leaflet.markercluster.js"
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    crossorigin=""></script>

  <style>
    body { margin:0; padding:0; }
    #map { position: absolute; top:0; bottom:0; right:0; left:0; }
  </style>
</head>
<body>

<div id="map"></div>

<script>
  var map = L.map('map', {
    maxZoom: 18 // the clustering plugin needs some help understanding the map's maxZoom
  }).setView([0, 0], 2);

  L.esri.Vector.vectorBasemapLayer('ArcGIS:Community', {
    apikey: apiKey // Replace with your API key - https://developers.arcgis.com
  }).addTo(map);

  //  (new constructor syntax at 2.0.0)
  L.esri.Cluster.featureLayer({
    url: 'https://sampleserver6.arcgisonline.com/arcgis/rest/services/Earthquakes_Since1970/MapServer/0'
  }).addTo(map);
</script>

</body>
</html>