Cloud computing e fotomodellazione come integrazione della modellazione 3D per l'architettura storica. La chiesa di San Giovanni Evangelista in Ravenna
- Title
- Cloud computing e fotomodellazione come integrazione della modellazione 3D per l'architettura storica. La chiesa di San Giovanni Evangelista in Ravenna
- Date
- 2013
- Is Part Of
-
Archeologia e Calcolatori
- Volume
- 24
- Pages
- 371–377
- Language
- ita
- Rights
- CC BY-NC-ND 4.0
- Abstract
- Historical architecture often features very detailed elements that are frequently characterized by complex ornamentation, such as capitals, vaulted arches, portals, mouldings etc. Modeling such highly detailed surfaces with traditional software packages can be a very difficult and time-consuming task, which often requires considerable skills and does not always ensure a strict adherence to the original object. This article discusses the combined use of two software applications to integrate traditional three-dimensional reconstructions of historical architecture and 3D models generated by semi-automatic photo-modeling. The case study is represented by a virtual reconstruction of the main structural changes undergone by the church of San Giovanni Evangelista in Ravenna, built by the Empress Galla Placidia in the 5th century AD. The aim of the study was to document the modifications made to this church over the centuries by means of a three-dimensional reconstruction that was chiefly created with the combined use of two open source software programs. Blender was used to recreate the main structures such as walls, apses, roofs and windows, and Autodesk 123D Catch was chosen to generate 3D textured models of the most detailed parts: capitals, portals, decorated columns. The success of this technique demonstrates that the use of a hybrid workflow can simplify the generation of complex shapes, increase the level of detail, and speed up the whole modeling process.
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