Bringing old maps to life

The National Library of Scotland have combined historic, hand-drawn maps with the latest satellite elevation data, allowing you to explore these visualisations of landscapes like never before.

Scotland from above – our 3D map viewer with new vertical exaggeration
The standard practice of depicting relief in the 18th century was with hachures, lines with variable thickness with followed the direction of slope, and by combining the map with elevation data, the shape of the landscape can be seen more clearly. This example below focuses on the mountains of Suilven and Canisp in Assynt, with the Ordnance Survey’s one-inch “hills” edition (1885-1903), with brown hachures:

bringing-old-maps-to-life-1

The Edinburgh mapmakers, John Bartholomew & Son were famous for their use of layer-colouring, employing a palette of colours from greens closer to sea level to browns and sometimes whites for mountains. This view below looks north-east along Loch Tay, with the dramatic outline of the Ben Lawers ridge to the north:

bringing-old-maps-to-life-2

(Via Atlas Obscura)

Author: Terry Madeley

I work with student data and enjoy reading about art and design, data, education and technology.

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