Archaeological digital anastylosis. From survey to lighting analysis
Keywords:Survey, Three-dimensional simulation, Lighting analysis
The operational context is that of the ancient city of Stabiae, today not fully known and scarcely appreciated, and in particular of the complex of Villa San Marco and its representative spaces, in which there are figurative apparatuses both in wall paintings of the peristyle and in the stuccoes of the exedra at the bottom of the pool. The aim is to analyze the artifact in relation to the perceptive characterization - qualitative and quantitative - of its external and internal spaces, documenting some stages, related to the most thorough investigations with the targeted use of laser scanning techniques, to the analysis of photometric and colorimetric characteristics, and to the perceptive study of decorative apparatuses. Precisely this artistic repertoire, is believed to have characterized the use of the environments and, to date, it connotes spatial qualities. The focus is mainly on the area of the nymphaeum, characterized by a swimming pool and a bottom-closing exedra: for the two larger sides it is defined by suggestive arcades with decorated walls in the IV Style in which a figurative solution is adopted to subsequent panels. On this environment, the diaetae appear on opposite sides. They show, despite the structural symmetry, disparity in the chromatic and figurative treatment, presumably due to the different destination: representation on the east side, a more “domestic” use than the one located on the west side. The intention to test the variation of the simulated perception, within a digital reconstruction process, required a preliminary survey campaign, both for the metric acquisition of the artefact and the contextual lighting characteristics. In this preliminary study on a cultural heritage artefact with its own historical past we have highlighted the need for a concerted, multidisciplinary effort; these partial results should ensure future developments.
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