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Abstract Domes still represents a prickly subject, large dimensions coupled with a limited accessibility making their study difficult and time-consuming. Although throughout history this problem has been tackled in different ways, relevant methodological and operational issues have until now limited the success of these efforts. Digital technologies have radically changed this scenario. 3D active and passive capturing systems currently allow for a dense and accurate surveying while modelling software provides powerful tools to build virtual counterparts of surfaces and to investigate their geometric properties. The aim of this paper is to present three different projects developed by a research group in the Department of History, Representation and Restoration of Architecture—Sapienza University of Rome. Based on their results, the group has set up and tested a protocol that can guide users from acquisition through modelling and, finally, to the reading of the geometric properties of domes.
Carlo Bianchini (Fri,) studied this question.