openlayers/ol3 — pull request #1549 by fredj (2014-01-20 10:24:07+00:00)
Title: Add heatmap example

work in progress

![screenshot from 2014-01-20 11 22 03](https://f.cloud.github.com/assets/100959/1953379/fba53a9c-81bc-11e3-8157-3fa81e3fdb7f.png)