[Spiderifying Clustered Layers in Mapbox-GL: Setting up supercluster] #geospark-blog-post

setting-up-supercluster.js

var createSuperClusterForLayer = function(sourceId, clusterRadius, data){
  var layerSource = map.getSource(sourceId);
  var scale = 8192 / layerSource.tileSize;
  var cluster = new supercluster({
    "radius": clusterRadius * scale,
    "extent": 8192,
    "maxZoom": layerSource.maxzoom - 1
  });
  cluster.loadData(data);
}