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Non-invasive recording technologies for the study and conservation of prehistoric rock art: the Dolmen of Dombate

Authors: Cortón Noya, Natalia; Carrera Ramírez, Fernando; Mañana-Borrazás, Patricia; Seoane-Veiga, Yolanda;

Non-invasive recording technologies for the study and conservation of prehistoric rock art: the Dolmen of Dombate

Abstract

[ES] El trabajo que aquí se presenta describe la metodología utilizada para la grabación del arte megalítica (pinturas y grabados) conservado en el Dolmen de Dombate (Cabana de Bergantiños, A Coruña). Esta grabación está vinculada a los planes para la construcción de un pabellón permanente sobre el montículo (construido en 2010), que planteó la necesidad de realizar intervenciones directas en el interior de la cámara, especialmente en las pinturas. Por lo tanto, se convirtió en esencial para obtener un registro preciso de la técnica de conservación, para verificar el estado actual de las obras, así como para evaluar los posibles daños y alteraciones a lo largo de la fase de ejecución del proyecto y los procesos involucrados en las actividades de conservación y restauración. Estas tareas de grabación se llevaron a cabo siempre mediante técnicas no invasivas e indirectas, que consisten principalmente en la ejecución de los trazados y mapas digitales y la alteración de ortoimágenes de las losas de piedra obtenidos mediante fotogrametría a corta distancia y luz estructurada de escaneado 3D.

[EN] The work presented here describes the methodology used for the recording of the megalithic art (painting and engravings) preserved in the Dolmen of Dombate (Cabana de Bergantiños, A Coruña). This recording is linked to the plans for the construction of a permanent canopy over the mound (built in 2010), which raised the need to undertake direct interventions inside the chamber, especially on the paintings. Therefore, it became essential to obtain an accurate recording of the preserved art, to verify the current condition of the paintings, as well as to assess any possible damages and alterations throughout the implementation phase of the project and the processes involved in conservation and restoration activities. These recording tasks were always carried out by means of non-invasive and indirect techniques, mainly consisting in the execution of digital tracings and alteration maps from orthoimages of the stone slabs obtained by close range photogrammetry and structured-light 3D scanning.

Presented in the International Congress on Science and Technology for the Conservation of Cultural Heritage, organized by the Spanish Network on Science and Technology for the Conservation of Cultural Heritage (Technoheritage) and celebrated in Santiago de Compostela (A Coruña, Spain), 2-5 octubre 2012.

CSIC, USC

Keywords

Escáner de Luz Estructurada, Megalithic art, Instituto de Ciencias del Patrimonio, Patrimonio Cultural, Close-range photogrammetry, 3D data acquisition, Engravings, Cultural Heritage, Fotogrametría, Institute of Heritage Sciences, Painting, Adquisición datos 3D, Arte megalítico, Neolítico, Patrimonio Digital, Incipit, Structured-Light Scanning, Pinturas, Neolithic, Digital Heritage, Grabados

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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