viewshed n. the landscape or topography visible from a geographic point, especially that having aesthetic value. Etymological Note: This term is directly related to watershed ‘an area or ridge of land that separates waters flowing to different rivers, basins, or seas.’ The suffix -shed in both cases means, according to the Oxford English Dictionary, a “distinction, discrimination, separation (of one thing from another.” (source: Double-Tongued Dictionary)

This site uses Akismet to reduce spam. Learn how your comment data is processed.