3D SURVEY AND HBIM FOR THE KNOWLEDGE AND VALORIZATION OF ARCHEOLOGICAL HERITAGE. THE CASE STUDIES OF THE CAPUA AND TELESIA AMPHITHEATRES

[EN] Survey in Archaeology is aimed to represent, map and model the existent. The reality based modern techniques allow to acquire a large amount of geometric, colorimetric and volumetric informations on which deepen analysis of past artifacts. This paper describes the first phase of a work aimed to a better understanding of two Roman amphitheatres in Campania, the Capua and Telesia ones. The survey campaign, conducted by the integration of different techniques, from laser scanner to GPS, from total station to digital photogrammetry, allowed a full investigation about the construction of the two examples, in order to explain the differences and uniqueness. At the same time, the research purpose is to display and disseminate the results, structured according to the Historic Building Information Modeling. The structuring into three-dimensional families of parametric objects, connoted by various information that identifies them on time, allows the transmission of an in-depth systematized knowledge. This is able to communicate with the various professionals involved in the conservation and protection of cultural heritage. Parametric modeling is applied in the study for the remains of the two archaeological sites and also in the reconstruction of their original form.