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3D Laser Scanner aimed to architectural heritage survey: From the point's cloud to the geometrical genesis determination

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Santagati, Cettina (2005) 3D Laser Scanner aimed to architectural heritage survey: From the point's cloud to the geometrical genesis determination. International Archives of Photogrammetry, Remote Sensing and Spatial and Information Sciences, 36 (5/w17). pp. 1-8. ISSN 1682-1777 [Article]

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Official URL: http://www.isprs.org/proceedings/XXXVI/5-W17/info....

Abstract (in English)

The present essay is a result of a wider research we are conducting at the Laboratory of Architectural Photogrammetry and Survey of Catania directed by professor Luigi Andreozzi. The research concerns the experimentation on the scanner laser methodology applied to the study, the analysis and the documentation of the architectural heritage. The use of this new technology needs a critical approach in data acquisition and processing for a possible intervention aimed to study, document and represent the intrinsic characteristics of architectonic monuments. This is done to evaluate both the capacities enclosed by this methodology (high density cloud of points which describes exhaustively the morphology of spaces and objects of various shape and geometry, in situ surveying times' reduction, consciousness of instruments' accuracy, surveying procedures' real time checking ) and the integration of obtained results with the other surveying methods to be useful in the dialogue between information users and information providers. The case here presented concerns the study of the vaulted system which covers the so-called Small Refectory of the Benedictine’s monastery in Catania, designed in 1739 by a clever architect, G. B. Vaccarini. Because of its peculiar shape, for quite a time this room have been the centre of scholar diatribes in order to find out the geometrical genesis of its planimetric outline and arched ceiling. Research work has been conducted starting from the raw data which outcome from each single scan and applying different sofwares to elaborate the cloud of points in order to recognize studied surfaces geometrical origin, to build possibile virtual models able to document and express the geometrical-morphological-materical essence of the vaulted room analyzed.

Item Type:	Article
Authors:	Authors Email Santagati, Cettina cettina.santagati@dau.unict.it
Languages:	English
Keywords:	Architectural heritage; Laser scanning; 3D; Modelling; Photogrammetry; Analysis; Documentation; Monuments; Vaults; Geometry
Subjects:	C. ARCHITECTURE > 01. Generalities C. ARCHITECTURE > 05. Building techniques C. ARCHITECTURE > 06. Structures of buildings F. SCIENTIFIC TECHNIQUES AND METHODOLOGIES OF CONSERVATION > 10. Architectural surveys F. SCIENTIFIC TECHNIQUES AND METHODOLOGIES OF CONSERVATION > 25. Heritage documentation F. SCIENTIFIC TECHNIQUES AND METHODOLOGIES OF CONSERVATION > 40. Photogrammetry F. SCIENTIFIC TECHNIQUES AND METHODOLOGIES OF CONSERVATION > 44. Recording techniques
Name of monument, town, site, museum:	Benedectine Monastery, Catania, Italy
Volume:	36
Number:	5/w17
ISSN:	1682-1777
Depositing User:	Eng Cettina Santagati
Date Deposited:	23 Jul 2012 13:06
Last Modified:	23 Jul 2012 13:48
References:	References from book: Andreozzi L. 2003, Il Laser Scanner nel rilievo dell’architettura: la nostra esperienza, Il Lunario, Enna. Donghi D., 1925. Manuale dell'architetto, UTET. Fichera F., 1934, G. B. Vaccarini e l'architettura del settecento in Sicilia , Reale Accademia d’Italia, Roma. Giarrizzo G., 1990, Catania e il suo monastero: San Nicolò l’Arena, G. Maimone, Catania. Migliari R. a cura di, 2001. Frontiere del rilievo: dalla matita alle scansioni 3D, Strumenti del Dottorato di Ricerca, Gangemi, Roma. References from Journals: Bianchini C., 2001. Modelli discreti e modelli continui nel rilievo e rappresentazione informatizzata dell'architettura. In Disegnare, Idee, Immagini n. 22, Gangemi, Roma. Cascone S., Sapienza V., 2000. La volta della chiesa della SS. Trinità di Catania. In Quaderno 19, Dipartimento di Architettura ed Urbanistica, Università degli Studi di Catania, Gangemi, Roma. Docci M., Gaiani M., Migliari R., 2001. Una nuova cultura per il rilevamento. In Disegnare, Idee, Immagini n. 23, Gangemi, Roma. Migliari R., Ciammaichella M., Curuni M., De Majo T., Paolini P., 2001. Recenti linee di ricerca. In Disegnare, Idee, Immagini n. 23, Gangemi, Roma. Sapienza V., 1995. Geometria delle volte. In Documenti 12, Dipartimento di Architettura ed Urbanistica, Università degli Studi di Catania, Catania. References from Other Literature: Andreozzi L., Barnobi L., Giuffrida A., Santagati C., New frontieres to architectural survey: laser scanner 3d.In Proceedings of the ISPRS Commission V Symposium, Closerange Imaging, Long-range vision, September, 2-6 2002, Corfù, Greece. Santagati C., 2004. El modelo: un strumento de lectura y analisis para la busqueda de la geometria de los elementos abovedados. In ACTAS del X Congreso International de Expresion Grafica Arquitectonica, "Dibujar lo que no vemos", Granada 6 - 7 - 8 maggio. Editorial Universidad de Granada, Granada, 2004. pp 366-368 Santagati C., 2004. Il modello informatico per la conoscenza delle superfici voltate: la volta del refettorio piccolo del Monastero dei Benedettini a Catania. In Atti del Workshop "Tecnologie per comunicare l'architettura", DARDUS, Ancona 20-21-22 maggio. Clua edizioni, Ancona, 2004. pp. 44-49
URI:	https://openarchive.icomos.org/id/eprint/1088