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What is Numerical or Polygonal Representation

Chapter 13
Handbook of Research on Emerging Technologies for Digital Preservation and Information Modeling
Numerical or polygonal representation is the “discrete” description of the shape of an object by means of a finite number of plane faces (triangles or polygons) called a mesh. It is created in the computing environment with graphical software called numerical or polygonal numerical modellers. With this type of representation, the shape of the object is therefore approximated by a polygonal mesh described via vertices, corners, and faces. The numerical representation is necessary in rendering operations and is therefore used when a perceptually accurate description of the object is necessary.
Published in Chapter:
Enhancing the Cultural Heritage between Visual Technologies and Virtual Restoration: Case Studies to Models for Visual Communication
Elena Ippoliti (Sapienza University of Rome, Italy) and Michele Calvano (Sapienza University of Rome, Italy)
Copyright: © 2017 |Pages: 39
DOI: 10.4018/978-1-5225-0680-5.ch013
Abstract
Enhancement of the cultural heritage is not simply a matter of preserving material objects but comes full circle only when the heritage can be enjoyed and used by the community. This is the rationale behind this paper: the application to exploring projects for the Casa del Fascio (Fascist Party Office) and the building complex of Foro Mussolini in Littoria (now Latina), by the architect Oriolo Frezzotti. Starting with consistent iconographic documentation integrated with bibliographic research and comparison with similar cases, the historical process was retraced and interpreted, reconstructed three-dimensional hypotheses of the figural unity were formulated, and interactive application was created. The application refers to the area of “virtual restoration”, the only possibility for non-material histories and works, a field in which visual technologies can prolong the critical “eye” to which recomposition of the figural combination is entrusted.
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Chapter 14
Giving Form to Absence: Experiences in Representation, Communication, and Narration for the Places and Community of Amatrice
Numerical or polygonal representation is the “discrete” description of the shape of an object by means of a finite number of plane faces (triangles or polygons) called a mesh. It is created in the computing environment with graphical software called numerical or polygonal numerical modellers. With this type of representation, the shape of the object is therefore approximated by a polygonal mesh described via vertices, corners, and faces. The numerical representation is necessary in rendering operations and is therefore used when a perceptually accurate description of the object is necessary.
Published in Chapter: Giving Form to Absence: Experiences in Representation, Communication, and Narration for the Places and Community of Amatrice; From: Analysis, Conservation, and Restoration of Tangible and Intangible Cultural Heritage
Full Text Chapter Download: US $37.50 Add to Cart
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