FrakturMedia

GIS, transport, society and other analytical ramblings.

Freeing NEPTUN's maps

Map tiles can be used for things other than maps. High resolution paintings are one example. NEPTUN provides a wealth of old maps, and other documents, but doesn't allow you to download them as whole files. This script, named Poseiden, does.

Cyrille MdC

1 minute read

The University of Namur’s library has some wonderful building, local, regional and national maps on their NEPTUN site. They provide a Google Map like pan and zoom functionality using a commercial Flash program called Zoomify. It’s unfortunate they chose to pay for functionality that’s freely available from OpenLayers or Leaflet. Regardless of this the data is not downloadable as a large file. I do not see why data such as this is not made easily and freely available. As a University it seems that it should be encouraging the sharing of past knowledge. In order to help them, and because a colleague asked me for a map, I have created a script that downloads all the tiles and reorganize them into one image. The script and instructions are on github. It’s obvious why it’s called Poseidon right?

Get Poseidon on github

I created another script to get tiles from other providers - this one requires a bit more work to use though and I’ve moved on to other things.

Check out PosMos on github

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Some analytical data analysis ramblings on transport and society using GIS, R and other effective tools.