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Showing posts with label tracks. Show all posts
Showing posts with label tracks. Show all posts

Wednesday, 27 August 2014

The happenstance art of maps

I showed recently how CLIWOC weather data from ships captains logs dating 1662 to 1885 totalled almost 1/2M points. It started with a 1/4M ships tracks, and combining look-up tables from four maritime agencies they yield numeric wind force and direction...