L’apport de la 3D dans l’art préhistorique: analyse et restitution des images et de leurs supports, exemples croisés des sites de Blanchard (La Garenne) et la Marche

Eric Robert, Daniel Vigears, Nicolas Melard, Patrick Paillet, Denis Vialou, Yves Egels

«Archeologia e Calcolatori» 2012, Supplemento 3, 339-354

Abstract

Analysis of prehistoric art is inseparable from the study of its supports, movable or on walls. Increasingly, this topic is included among the research aims of modern studies. The contribution of several techniques of restoration in 3D (scanner/laser, photogrammetry, microtopography, etc.) makes it possible to approach different graphic productions and their areas. Beyond the virtual modeling of wall, or decorated artifacts, it is interesting to make use of an adapted numeric support to incorporate and analyze natural, graphic and archaeological information (nature of area, engravings, paintings, flagged items, etc.). We propose here to make a comparison of each technique, to describe in detail its contribution and complementarity in the research of paleolithic art, using two examples. First, the Blanchard cave (Indre), now being studied as part of the MADAPCA research program subsidized by the Agence Nationale de la Recherche, second, the site of la Marche (Vienne).

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