Geometric Analysis on Stone Façades with Terrestrial Laser Scanner Technology

Juan Corso; Josep Roca; Felipe Buill

doi:10.20944/preprints201708.0068.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 18 August 2017 / Approved: 18 August 2017 / Online: 18 August 2017 (16:49:13 CEST)

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 the 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.

Terrestrial Laser Scanning; orthoimage; heritage; remote sensing; preservation; archaeology

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Geometric Analysis on Stone Façades with Terrestrial Laser Scanner Technology

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