Interdisciplinary approach for the implementation of digital techniques for 3D modelling, including 3D terrestrial laser scanning and image-based modelling. Highlights: Use of contemporary digital methods for the 3D geometric documentation of complex burial structures.
The paper, focusing on the geometric modelling phase of the HBIM process, presents first results and prospective tasks of an ongoing research project on the last architectural phase of the colonnade of a multi-layered temple in the Antas valley in Sardinia (Italy), affected by imposing works of anastylosis and restoration. In the phase of the geometric modeling process, following that of the survey process and preparatory to the subsequent information modeling process, when the detected geometries are not easily traceable to libraries of pre-compiled objects, an alternative to the so-called "Scan to BIM" local modeling can be represented by algorithmic modeling. Cultural heritage can advantage of BIM-based knowledge management only integrating approaches and tools with different characteristics from those commonly used in BIM workflows. Integrating archaeological data into BIM models has clear benefits but, due to the complexity of the involved elements, archaeological case studies can fit effectively into the BIM process only with the creation of semantic-aware libraries implementing dedicated objects. The BIM process applied in cultural heritage is increasingly consolidating its practices, expanding its potential even in the field of archaeological research. The implementation of new technologies often leads research towards experimentation with new methodological approaches.
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