How can I use Heatmap() in openlayer? It's easy to use than you think about it. Method If you finished this script You can handle heatmap Method that you want That's an example. achacha ⭐ Don't forget to inherit openlayers ⭐ Create map You need to make a map to put layers on. const openStreetMap = new ol.Map ({ target: 'o2map2', layers : [ new ol.layer.Tile({ source: new ol.source.OSM(), }) ], v..