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heatmap TAH 3

This is my attempt at remixing the Tiles@Home Heatmap by Ævar Arnfjörð Bjarmason (on flickr)

 

This is a matplotlib/python implementation (the original is in Perl)

 

The heatmap uses the file size of each tile, which should give a good measure of how much real data there is in a tile. Red areas have lots of data, green areas less, and blue the least.

 

Data sources: www.openstreetmap.org/, Tiles@Home

 

Source code on OSM repository : original, mine.

 

I've used log10 scaling for the colours, so the rural areas get a bit more prominence.

A bit of photoshop work in this case to mask out the ocean areas.

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Uploaded on June 30, 2009
Taken on June 30, 2009