Introduction to online cartography: The making of Hay Fever Map The Hague 
This article was first published on 10 March 2013 at hooikoorts.plekjes.com/about. This is a re-publication for Tweakblogs.
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My first real cartography project
After putting markers on Google Maps for many years, it is finally time for something new and exciting in the field of online cartography. This is the story of how I made my own online map, with overlays based on open data with open source software. I host it on my own server and completed this in my spare time over the course just two weeks. This article is intended for a technical audience, with the aim to educate and inspire.Read more »