Abstract

Abstract The work shows the application of a portable terrestrial laser scanner for the three-dimensional survey and modelling of two archaeological areas preserved in the urban fabric of Reggio Calabria, Italy: the underground site of Piazza Italia, better known as “Ipogeo”, and the ruins of the s.c. odéon, located in the basement of a residential building in via 24 Maggio. The two case studies, compared to the other sites preserved in the city center, share a common element: they are not outdoors but have been incorporated into modern buildings and therefore they are not immediately visible. Due to the specific features of the sites, the use of a portable laser-scanning system has been considered the most suitable, accurate and quick solution in order to produce high-resolution as-built 3d models of the structures. The latter will be used as support to derive plans and sections, to carry out further virtual reconstructions and to plan a scan-to-bim process.

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