by Paul Gallagher Published 01/10/2012
The field of view is first calculated at 28 degrees in the horizontal plane. The field of view is centred on the Sgurr Mhor summit of Beinn Alligin, 3,232 feet in height and 11.9 miles away. This is the starting point you have to be sure of at least on landmark before you can analyse the other details.
Next we compiled a map in Photoshop (from Bing maps) so that we could work at a high scale by dragging the view around. This gave sufficient coverage for the area involved but also provided enough detail to read contours for the gradient profiling later and for exact identification of summits.
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