The “Guerriero di Castiglione”: reconstructing missing elements with integrated non-destructive 3D modelling techniques |
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| Authors: | G Fatuzzo G Mussumeci SM Oliveri G Sequenzia |
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| Institution: | 1. Department of Geological Engineering, Yuzuncu Yil University, Van, 65080, Turkey;2. Department of Geological Engineering, Nev?ehir Hac? Bekta? Veli University, Nev?ehir, 50300, Turkey;3. Department of Mining Engineering, Yuzuncu Yil University, Van, 65080, Turkey;4. Department of Civil Engineering, Yuzuncu Yil University, Van, 65080, Turkey;1. Faculty of Science and Technology, Free University of Bolzano-Bozen, Bolzano, Italy;2. Sapienza University of Rome, Italy;3. Department of Aerospace and Mechanical Engineering, Sapienza University of Rome, Italy |
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| Abstract: | Accurately measuring an artefact of historical significance generally results in being able to extract information which is useful for evaluating what remains of the materials from a distant time. This allows scholars arrive at an exhaustive historical reading of the same artefact.Compared to the traditional measuring techniques, which can often be imprecise and complicated, 3D laser scanners measure the morphological characteristics of an artefact with extreme accuracy. Despite this, it is not always possible to choose the most appropriate sensors due to the geometric peculiarities, or indeed, the size of the object.The present work deals with two non-destructive analyses of an ancient stone sculpture, which for its morphology and size was scarcely compatible with the technical characteristics of either of the scanners used. Both scanners operate on the same technical principal, but are quite different from each other in terms of scale and precision. For these reasons, a complex 3D model (extremely appropriate given the original artefact) was draw out through a synergy of the two techniques.The virtual particularities of the model allowed it to be manipulated with the appropriate software. In fact, on the basis of qualitative parameters devised by researchers, it proved possible to reproduce the artefact’s geometric form, both virtually and in the form of physical models, obtained through non-conventional restoration methods (R.P. techniques).It has also been possible to verify the state of degradation of the surface of the stone caused by the traditional methods of applying cataloguing or storage information to it.Finally, the results achieved provide opportunities for further research on certain geometrical characteristics of the stone which, as highlighted by the elaboration on the virtual model, seem to be traceable to non-manual, perhaps mechanical, processes. Therefore, the historical considerations which derive from this fact call certain scholars into play. |
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