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Open AccessArticle

Geometric Analysis on Stone Façades with Terrestrial Laser Scanner Technology

1
Laboratorio de Modelización Virtual de la Ciudad (LMVC), Universitat Politècnica de Catalunya, 08034 Barcelona, Spain
2
Centre of Land Policy and Valuations, Universitat Politècnica de Catalunya, 08034 Barcelona, Spain
3
Division of Geotechnical Engineering and Geosciences, Universitat Politècnica de Catalunya, 08034 Barcelona, Spain
*
Author to whom correspondence should be addressed.
Geosciences 2017, 7(4), 103; https://doi.org/10.3390/geosciences7040103
Received: 11 July 2017 / Revised: 21 September 2017 / Accepted: 30 September 2017 / Published: 10 October 2017
(This article belongs to the Special Issue Remote Sensing and Geosciences for Archaeology)
This article presents a methodology to process information from a Terrestrial Laser Scanner (TLS) from three dimensions (3D) to two dimensions (2D), and to two dimensions with a color value (2.5D), as a tool to document and analyze heritage buildings. Principally focused on the loss of material in stone, this study aims at creating an evaluation method for loss control, taking into account the state of conservation of a building in terms of restoration, from studying the pathologies, to their identification and delimitation. A case study on the Cathedral of the Seu Vella de Lleida was completed, examining the details of the stone surfaces. This cathedral was affected by military use, periods of abandonment, and periodic restorations. View Full-Text
Keywords: Terrestrial Laser Scanning; orthoimage; heritage; remote sensing; preservation; archaeology Terrestrial Laser Scanning; orthoimage; heritage; remote sensing; preservation; archaeology
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Corso, J.; Roca, J.; Buill, F. Geometric Analysis on Stone Façades with Terrestrial Laser Scanner Technology. Geosciences 2017, 7, 103.

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