Texturing e ottimizzazione dei modelli digitali reality based: la chiesa della Compañía de Jesús

Alessandro Merlo; Filippo Fantini; Gaia Lavoratti; Andrea Aliperta; Jose Leonel López Hernández

doi:10.6092/issn.1828-5961/3868

Authors

Alessandro Merlo Università di Firenze

Researcher Icar-17, is a teacher of Architectural Survey. He practices the following activities at the international level: the analysis of the historical processes of formation and transformation of the city; the reading of the processes of matching human requirements on the territory; the integrated systems of survey on a city and building scale; the methodologies for data management. He has a large experience in survey coming from numerous conducted and finalized campaigns about buildings (for knowledge and restoration) and about the urban textures
Filippo Fantini Università di Firenze

He graduated in architecture at the Politecnico di Milano, PhD ICAR 17. Active for many years in training and research in the scientific field of computer graphics and survey by means of new technologies, from July 2009 to September 2012 he received a grant from the Instituto de Restauracion Heritage Polytechnic University of Valencia.
Gaia Lavoratti Università di Firenze

PhD in Surveying and Representation of Architecture and Environment (SSD ICAR/17, National School of Doctorate of Research in Science of Representation and Survey – seat of Florence), she is an adjunct professor at the Faculty of Architecture of Ferrara (from 2012) and expert on the subject of Drawing Architecture (since 2006) and Survey of Architecture and Environment (since 2009) at the Department of Architecture of Florence.
Andrea Aliperta Università di Firenze

He graduated in architecture at the Università degli Studi di Firenze, he is expert on the subject of the course "Rilievo dell’ Architettura" and co-lecturer of the course "Rilievo digitale e modellazione 3D dell’ambiente urbano". Partecipates in conferences in the field of digital representation of architecture with a focus on 3D model optimization techniques aimed at creating still images, animations and Real-time applications for dissemination purposes.
Jose Leonel López Hernández Universidad de San Carlos de Guatemala CIFA: Centro de Investigaciones de la Facultad de Arquitectura
Jose Leonel Lopez Hernandez, graduated in architecture from the University of San Carlos of Guatemala, concerned with conservation and management of cultural heritage of Central America. His research moving in the field of reverse modeling applied to the survey of archaeological sites. Since 2012 he is a professor of Architectural Design II course at the same university.

DOI:

https://doi.org/10.6092/issn.1828-5961/3868

Keywords:

Texturing, image based models, Compañía de Jesús

Abstract

The 3D modeling techniques applied on laser scanner data are becoming increasingly relevant in the cultural heritage dissemination field. Howe- ver the need for a satisfactory similarity between model and real object collides with the need to preserve the original accuracy of the measure- ment of the former than the latter. The analysis of the Compañía de Jesús facade has tried to cope this duality using the power of reverse modeling and texturing, the latter is really important due to the function of the photographic images into accurate description of materials and colours, as well as in the creation of 3D models using UV mapping tools, which are a very advanced field of the computer graphic software.

References

Fantini, Filippo, Rodriguez, Pablo, Di Tondo, Sergio (2012), Il problema della mappatura del colore nei modelli digitali 3D a displaced subdivision surface da rilevamento laser scanner in ambito archeologico, in Rossi, Maurizio, Siniscalco, Andrea (a cura di), Colore e Colorimetria Contributi Multidisciplinari, Vol. VIII A, Maggioli, Bologna, pp. 31-38.

Gaiani, Marco (2001), Traduzioni dal reale al virtuale in architettura, in Migliari, Riccardo (a cura di), Frontiere del rilievo, dalla matita alle scansioni 3D, Gangemi, Roma, pag. 49.

Guidi, Gabriele, Russo, Michele, Beraldin, Jean-Angelo (2010), Acquisizione 3D e modellazione poligonale, McGraw-Hill, Milano, pag.69.

Merlo, Alessandro, Vendrell-Vidal, Eduardo, Fantini, Filippo, Sánchez-Belenguer, Andrea Aliperta (2013), 3d model visualization enhancements in real-time game engines. In J. Boehm, F. Remondino, T. Kersten, T. Fuse, D. Gonzalez-Aguile (a cura di), 3D-ARCH 2013 – 3D Virtual Reconstruction and Visualization of Complex Architectures 25 – 26 February 2013, Trento, Italy, Pagg. 181-188. http://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XL-5-W1/

Piponi, Dan, Borshukov, George (2000), Seamless texture mapping of subdivision surfaces by model pelting and texture blending, In Siggraph 2000 Conference Proceedings, Annual Conference Series, ACM SIGGRAPH, pagg. 471-477.

Merlo, Alessandro, Fantini, Filippo (2012) I sistemi di ottimizzazione image based per la gestione dei modelli digitali 3D a scala urbana, In Merlo, Alessandro, Il castello di Pietrabuona - Materiali per la Ricerca, Edizioni ETS, Pisa, pagg. 159-165.

Texturing and optimization of image based digital models: the church of Compañía de Jesús

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