Along the Picentini mountains slopes the Mt. Raione houses the entrance of San Michele Archangel cave. The place was used since the Neolithic period but the first historical data are linked to the IX siècle when it became a natural shelter for the bishop Pietro and, later, venue of pilgrimage. Due to the presence into the cave and its branches of bizantinian frescos, a church and some Martiryas (little chapels) with small courtyard the sanctuary is an unique example of important religious cave in Italy. Recently, an archaeological campaign found out interesting ceramics objects such as the medieval ceramic Forum Ware made by roman traditions. Extraordinary ancient music instruments, the Tibiae, were also found into the cave: they were made carving shinbones and then used as flutes by local inhabitants in ritual ceremonies. After a joint effort of the Soprintendenza per i Beni Architettonici e per il Paesaggio, il Patrimonio Storico, Artistico e Demoetnoantropologico per le Province di Salerno e Avellino and the centre DIAPReM (Development of Integrated Automatic Procedures for Restoration of Monuments) of the Department of Architecture of the University of Ferrara, laser scanning integrated technologies were used in order to obtain a first survey aiming to show the huge quality of the site trough a complete documentation action. The research project was finalized to give a strong base for the restoration and valorisation of the San Michele Site and the surrounding landscape; in the meanwhile it was a good opportunity to verify an integrated survey process in a low accessibility area in order to evaluate: 1 – the feasibility level of a such extreme condition technological survey; 2 – the instrumental acquisition degree of definition in relations to the morphometric level of detail; 3 – how the survey could help to the configuration of a comparative model aiming to show the degradation process and the loss or modification of the extraordinary architectural and artistic heritage; 4 – how the morphometric database could be enquired in order to define further scenarios of conservation and valorisation of the site. The survey started with the main branch of the cave where a laser scanner Leica HDS 3000 (based on a time-flight technology which allow data collection of big volumetric complexes acquiring circa 1000 points per second with an accuracy of 6 mm) was used to obtain the needed information. The three-dimensional data were then integrated by a topographic survey to realize a model made of 55.000.000 acquired points by the which was possible to drawn up the cave plans, sections and façades and a scaled plaster model. The output will be useful to build a structured collection of records organized on several layers thought for information exchange, divulgation and for the realisation of revitalization project of this extraordinary site.

Una banca dati 3D per il recupero e la valorizzazione del sito di San Michele Arcangelo Olevano sul Tusciano (Salerno)

BALZANI, Marcello;GALVANI, Guido
2011

Abstract

Along the Picentini mountains slopes the Mt. Raione houses the entrance of San Michele Archangel cave. The place was used since the Neolithic period but the first historical data are linked to the IX siècle when it became a natural shelter for the bishop Pietro and, later, venue of pilgrimage. Due to the presence into the cave and its branches of bizantinian frescos, a church and some Martiryas (little chapels) with small courtyard the sanctuary is an unique example of important religious cave in Italy. Recently, an archaeological campaign found out interesting ceramics objects such as the medieval ceramic Forum Ware made by roman traditions. Extraordinary ancient music instruments, the Tibiae, were also found into the cave: they were made carving shinbones and then used as flutes by local inhabitants in ritual ceremonies. After a joint effort of the Soprintendenza per i Beni Architettonici e per il Paesaggio, il Patrimonio Storico, Artistico e Demoetnoantropologico per le Province di Salerno e Avellino and the centre DIAPReM (Development of Integrated Automatic Procedures for Restoration of Monuments) of the Department of Architecture of the University of Ferrara, laser scanning integrated technologies were used in order to obtain a first survey aiming to show the huge quality of the site trough a complete documentation action. The research project was finalized to give a strong base for the restoration and valorisation of the San Michele Site and the surrounding landscape; in the meanwhile it was a good opportunity to verify an integrated survey process in a low accessibility area in order to evaluate: 1 – the feasibility level of a such extreme condition technological survey; 2 – the instrumental acquisition degree of definition in relations to the morphometric level of detail; 3 – how the survey could help to the configuration of a comparative model aiming to show the degradation process and the loss or modification of the extraordinary architectural and artistic heritage; 4 – how the morphometric database could be enquired in order to define further scenarios of conservation and valorisation of the site. The survey started with the main branch of the cave where a laser scanner Leica HDS 3000 (based on a time-flight technology which allow data collection of big volumetric complexes acquiring circa 1000 points per second with an accuracy of 6 mm) was used to obtain the needed information. The three-dimensional data were then integrated by a topographic survey to realize a model made of 55.000.000 acquired points by the which was possible to drawn up the cave plans, sections and façades and a scaled plaster model. The output will be useful to build a structured collection of records organized on several layers thought for information exchange, divulgation and for the realisation of revitalization project of this extraordinary site.
9788864190525
banca dati 3D; Rilievo; Laser scanner; recupero; valorizzazione; San Michele Arcangelo Olevano sul Tusciano; Grotta
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1684148
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