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Architectonical artefacts are in many ways one of the most extraordinary legacies that past civilizations have left to us from a cultural, technological and functional standpoint, because of the impact that the development of the material culture and building techniques had for ancient communities. The definition of a protocol designed to achieve an understanding of the object of Cultural Heritage consents the realization of various models. These models are the bases for all the critical, selective, specialist next analyses and elaboration. This work discusses the possibilities offered by the integration of heterogeneous method, traditional and innovative, for massive surveying and digital representation technologies.

This research addresses the strongly felt need associated with Cultural Heritage objects, particularly with architectures of Tomaso Buzzi, which in the process of concrete research opened up and imposed an interesting methodological and practical enquiry. In fact, the research confronts the problem of how to communicate – through virtual means, which happen to be the only workable ones – of unbuilt projects or complex architectures. The objective of this is to effectuate a Virtual Comeback of the architectural object through digital means. This study aims at a hyper-medial acquisition, composed of digital objects recreated by means of more advanced techniques of ICT communication.

The knowledge of historical and architectural heritage is today reinforced by the growing use of digital instruments serving the purpose of documenting and disseminating data. The development techniques to build 3D models made them pivotal elements in popularizing information on objects on the scale of architectonic structures. Digital archives supplement 3D models with heterogeneous data (2D models, images, texts, video materials, bibliographical documents) with the purpose to preserve, evaluate and popularize cultural heritage (CH) by devising an open system of knowledge. This study puts forward a critical operative method and some guidelines to record, construct, manage, visualize and navigate 3D models with a view to achieving a full comprehension of the architecture in their own context, permitting to discover their inter-relationships through a digital archive.

Evaluation and preservation of cultural heritage in the XXI century is inextricably connected with the innovative processes of gaining, managing and using knowledge. The continuous technological advancement and in particular the great digital revolution offer new research tools that are easily applied to science. The development and perfecting of techniques for acquiring and elaborating models made them pivotal elements for popularizing information on objects on the scale of architectonic structures. These technologies therefore become absolutely essential for the cognition and preventive conservation in case of disasters, such as earthquakes, the effects of climate change, extreme weather and other disasters. Being low cost technologies that enable low cost and speedy acquisition, they are also very useful in reality. It’s the relationship between software and hardware devices that help us record the undergoing changes of the survey in an important moment of transition from a traditional approach to one closely connected with the huge potential inherent in digital technologies. Recently, the dense stereo matching or images based modelling technologies have become a valid instrument for surveying and representing architecture. The research is focused on some architectural areas of the city of Rome.