CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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id ecaade2020_137
authors Webb, Nicholas, Hillson, James, Peterson, John Robert, Buchanan, Alexandrina and Duffy, Sarah
year 2020
title Documentation and Analysis of a Medieval Tracing Floor Using Photogrammetry, Reflectance Transformation Imaging and Laser Scanning
source Werner, L and Koering, D (eds.), Anthropologic: Architecture and Fabrication in the cognitive age - Proceedings of the 38th eCAADe Conference - Volume 2, TU Berlin, Berlin, Germany, 16-18 September 2020, pp. 209-218
summary The fifteenth-century tracing floor at Wells cathedral is an extremely rare survival in European architecture. Located in the roof space above the north porch, this plaster floor was used as a drawing and design tool by medieval masons, the lines and arcs inscribed into its surface enabling them to explore their ideas on a 1:1 scale. Many of these marks are difficult to see with the naked eye and existing studies of its geometry are reliant on manual retracing of its lines. This paper showcases the potential of digital surveying and analytical tools, namely photogrammetry, reflectance transformation imaging (RTI) and laser scanning, to extend our knowledge of the tracing floor and its use in the cathedral. It begins by comparing the recording processes and outputs of all three techniques, followed by a description of the digital retracing of the tracing floor to highlight lines and arcs on the surface. Finally, it compares these with digital surveys of the architecture of the cathedral cloister.
keywords digital heritage; photogrammetry; reflectance transformation imaging; laser scanning; medieval design
series eCAADe
email njwebb@liverpool.ac.uk
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100%; open Buchanan, AC and Webb, NJ (2017) Find in CUMINCAD Creativity in Three Dimensions: An Investigation of the Presbytery Aisles of Wells Cathedral , British Art Studies, 6, p. -

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100%; open Mytum, H, Peterson, JR and Campbell, E (2019) Find in CUMINCAD Flashing Lights in the Graveyard , Archaeology Ireland, 33(4), pp. 45-48

100%; open Pacey, A (2007) Find in CUMINCAD Medieval Architectural Drawing , Tempus, UK

100%; open Schroer, C, Mudge, M and Maynez, W (2018) Find in CUMINCAD Photogrammetric imaging of a large-scale Diego Rivera fresco mural , 2018 3rd Digital Heritage International Congress (DigitalHERITAGE), San Francisco

100%; open Stewart, M (2009) Find in CUMINCAD Patterns of Eternity: Sacred Geometry and the Starcut Diagram , Floris Books

100%; open Webb, NJ and Buchanan, AC (2017) Find in CUMINCAD Tracing the past: a digital analysis of Wells cathedral choir aisle vaults , Digital Applications in Archaeology and Cultural Heritage, 4, pp. 19 - 27

100%; open Webb, NJ, Buchanan, AC and Peterson, JR (2016) Find in CUMINCAD Modelling Medieval Vaults: Comparing Digital Surveying Techniques to Enhance our Understanding of Gothic Architecture , Proceedings of the 34th eCAADe Conference - Volume 2, Oulu, pp. 493-501

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