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Leaflet.heat

A tiny, simple and fast Leaflet heatmap plugin. Uses simpleheat under the hood, additionally clustering points into a grid for performance.

Demos

Basic Usage

var heat = L.heatLayer([
	[50.5, 30.5, 0.2], // lat, lng, intensity
	[50.6, 30.4, 0.5],
	...
], {radius: 25}).addTo(map);

To include the plugin, just use leaflet-heat.js from the dist folder:

<script src="leaflet-heat.js"></script>

Building

To build the dist files run: npm install && npm run prepublish

Reference

L.heatLayer(latlngs, options)

Constructs a heatmap layer given an array of points and an object with the following options:

Each point in the input array can be either an array like [50.5, 30.5, 0.5], or a Leaflet LatLng object.

Optional third argument in each LatLng point (altitude) represents point intensity. Unless max option is specified, intensity should range between 0.0 and 1.0.

Methods

Changelog

0.2.0 — Oct 26, 2015

0.1.3 — Nov 25, 2015

0.1.2 — Nov 5, 2014

0.1.1 — Apr 22, 2014

0.1.0 — Feb 3, 2014

0.0.1 — Jan 31, 2014