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Calculating the inherent visual structure of a landscape (inherent viewshed) using high-throughput computing

Llobera, M; Wheatley, D; Steele, J; Cox, S; Parchment, O; (2010) Calculating the inherent visual structure of a landscape (inherent viewshed) using high-throughput computing. In: Niccolucci, F and Hermon, S, (eds.) Beyond the artefact: Digital Interpretation of the Past: Proceedings of CAA2004, Prato, 13-17 April 2004. (pp. pp. 146-151). Archaeolingua: Budapest, Hungary. Green open access

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Abstract

This paper describes a method of calculating the inherent visibility at all locations in a landscape (‘total viewshed’) by making use of redundant computer cycles. This approach uses a simplified viewshed program that is suitable for use within a distributed environment, in this case managed by the Condor system. Distributing the calculation in this way reduced the calculation time of our example from an estimated 34 days to slightly over 25 hours using a cluster of 43 workstations. Finally, we discuss the example ‘total viewshed’ raster for the Avebury region, and briefly highlight some of its implications.

Type: Proceedings paper
Title: Calculating the inherent visual structure of a landscape (inherent viewshed) using high-throughput computing
Open access status: An open access version is available from UCL Discovery
Publisher version: http://caaconference.org/proceedings/sales/
Language: English
Keywords: Archaeology, landscape, GIS, viewshed, total viewshed, inherent visibility, Avebury, neolithic
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology > Institute of Archaeology Gordon Square
URI: https://discovery.ucl.ac.uk/id/eprint/15486
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