[OSM-dev] How do I do make shaded area overlays with openlayers or something similar?

John Smith deltafoxtrot256 at gmail.com
Wed Sep 23 11:31:24 BST 2009

2009/9/23 Steven te Brinke <s.tebrinke at student.utwente.nl>:
> OpenLayers has nice support for vectors. It supports many formats, you can
> easily add WKT geometries for example. This is the best way to go if you
> want to add simple or dynamic overlays.
> The postcode finder you mentioned uses a tiled layer. Such a layer can be
> rendered using Mapnik. I have a nice example in [1]: Google Hybrid like, but
> with OSM data on top of their aerial images (unfortunately my site is Dutch,
> but it shows the idea).

I ended up making a simple mapnik style sheet with just town names and
post codes.

This has made spotting errors really easy, although I'm stumped as to
why some post codes aren't being rendered, like this area:


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