openlayers/examples/heatmap-earthquakes.html

Build tools and sources for developing OpenLayers based mapping applications

---
layout: example.html
title: Earthquakes Heatmap
shortdesc: Demonstrates the use of a heatmap layer.
docs: >
  This example parses a KML file and renders the features as a <code>ol.layer.Heatmap</code> layer.
tags: "heatmap, kml, vector, style"
---
<div id="map" class="map"></div>
<form>
  <label>radius size</label>
  <input id="radius" type="range" min="1" max="50" step="1" value="5"/>
  <label>blur size</label>
  <input id="blur" type="range" min="1" max="50" step="1" value="15"/>
</form>