Numérisation 3D de la grotte d'El Castillo (Puente Viesgo)

Abstract : The Cave of El Castillo in Cantabric Spain is one of the major European prehistoric sites, both from an archaeologic and an artistic point of view. Its stratigraphy extends indeed from the Lower Palaeolithic to the Bronze Age, and its walls are decorated by thousands of painted, drawn and engraved motifs. The complete study of the wall decoration device is being redone by Marc Groenen since 2003. The 3D digitization of the cave is part of the study. In order to carry out this project, several 3D scanners operating at different scales have been used. For the cave structure itself, a flight time scanner has allowed a quick acquisition of a significant point cloud and the related texture information. Some parts of the cave being unreachable with this type of equipment, the acquisition of such volumes has been done with a smaller and handier scanner, with an unfortunately limited range of action only. Finally, a portable scanner with a theoretic precision of a tenth of a millimetre was used to acquire wall engravings.The manipulation of the 3D data now obtained will allow extracting all the information needed by the archaeologists.
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Nadine Warzée, Marc Groenen, Julie Rosoux, Olivier Debeir, Rudy Ercek, et al.. Numérisation 3D de la grotte d'El Castillo (Puente Viesgo). Virtual Retrospect 2007, Robert Vergnieux, Nov 2007, Pessac, France. pp.221-229. ⟨hal-01774260⟩

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