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

Calculating the inherent visual structure of a landscape ('total viewshed') using high-throughput computing
Calculating the inherent visual structure of a landscape ('total viewshed') using high-throughput computing
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.
Archaeology, landscape, GIS, viewshed, total viewshed, inherent visibility, Avebury, neolithic
Llobera, Marcos
4993b577-c0e2-414b-b32a-8065fc2a966b
Wheatley, D.W.
58266ad0-4ea1-4b1b-a8c3-9fd902931828
Steele, T.J.M.
2f93e350-9707-4a6d-945e-724feded7efd
Cox, Simon
4fe1de98-4843-4d45-9143-3369b6b9a241
Parchment, O.
0a9ef6f2-0feb-424a-89e7-15413fa6eb03
Llobera, Marcos
4993b577-c0e2-414b-b32a-8065fc2a966b
Wheatley, D.W.
58266ad0-4ea1-4b1b-a8c3-9fd902931828
Steele, T.J.M.
2f93e350-9707-4a6d-945e-724feded7efd
Cox, Simon
4fe1de98-4843-4d45-9143-3369b6b9a241
Parchment, O.
0a9ef6f2-0feb-424a-89e7-15413fa6eb03

Llobera, Marcos, Wheatley, D.W., Steele, T.J.M., Cox, Simon and Parchment, O. (2004) Calculating the inherent visual structure of a landscape ('total viewshed') using high-throughput computing. XXXII International Conference - Computer Applications in Archaeology 2004 - Computer Applications and Quantitative Methods in Archaeology, Beyond the Artifact: Digital Interpretation of the Past, Prato, Italy. 13 - 17 Apr 2004. (In Press)

Record type: Conference or Workshop Item (Paper)

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.

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More information

Submitted date: 2004
Accepted/In Press date: 2004
Venue - Dates: XXXII International Conference - Computer Applications in Archaeology 2004 - Computer Applications and Quantitative Methods in Archaeology, Beyond the Artifact: Digital Interpretation of the Past, Prato, Italy, 2004-04-13 - 2004-04-17
Keywords: Archaeology, landscape, GIS, viewshed, total viewshed, inherent visibility, Avebury, neolithic

Identifiers

Local EPrints ID: 43036
URI: http://eprints.soton.ac.uk/id/eprint/43036
PURE UUID: df05b0c2-e66f-462f-88c7-4ee629b3ed52
ORCID for D.W. Wheatley: ORCID iD orcid.org/0000-0002-7265-704X

Catalogue record

Date deposited: 10 Jan 2007
Last modified: 16 Mar 2024 02:46

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Contributors

Author: Marcos Llobera
Author: D.W. Wheatley ORCID iD
Author: T.J.M. Steele
Author: Simon Cox
Author: O. Parchment

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