Yesterday and this morning I’ve collected a huge number of DTED files from here.
The terrain information is made available for free from the USGS, but is generally provided on physical media as it’s so large – multiple DVDs for level 1 DTED. Of course, there’s no such thing as a free lunch, so the files are grouped into 10-degree blocks and then arranged by country, so somewhat awkward to find – or a fun geography quiz, if you prefer!
I’ve also cobbled together a bit of Java to produce a map showing which terrain cells I’ve got. Sadly, this shows I’ve got some more work to do:
Tags: data, dted, proposition 01, terrain