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What is NURBS geometry

Chapter 14
Virtual and Augmented Reality in Education, Art, and Museums
NURBS is an acronym for “Non Uniform Rational Basis-Splines”. It is a mathematical representation used to define curves and surfaces. A NURBS is defined by the degree, the control points, the knots and the evaluation rule.
Published in Chapter:
Through Achille Castiglioni's Eyes: Two Immersive Virtual Experiences
Cecilia Maria Bolognesi (Polytechnic University of Milan, Italy) and Damiano Antonino Angelo Aiello (University of Catania, Italy)
Copyright: © 2020 |Pages: 28
DOI: 10.4018/978-1-7998-1796-3.ch014
Abstract
The experimentations described here concern the virtualization of the Studio Museo Achille Castiglioni, a small museum that hosts important artefacts designed by one of the most famous architects and designers of the 20th century, winner of 7 “Compasso d'oro” awards. The digitization process creates two virtual experiences to enjoy the place and the design objects to give visibility to the small context far from the big museum. The first (less complex and immersive) experimentation deals with the semantic implementation of 360° panoramic photographs, giving rise to a virtual tour of the museum available on the web with no interaction: it is the description of the state of the art of this place. The second one (a real VR simulation) derives from a more complex workflow based on digital surveying, digital modelling, and developing of virtual environments and interactions. The two proposed case studies demonstrate how new technologies can represent indispensable instruments for the safeguard, enhancement, and communication of Cultural Heritage.
Full Text Chapter Download: US $37.50 Add to Cart
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Chapter 6
Virtual Baroque: Digitization Experience of the Ecclesiastical Heritage in Acireale
NURBS stands for “Non Uniform Rational Basis-Splines”, a class of geometric curves used in computer graphics to represent curves and surfaces. A NURBS is the mathematical representation that software uses to define geometric objects. A NURBS is defined by four characteristics: the degree, the control points, the knots and the evaluation rule.
Published in Chapter: Virtual Baroque: Digitization Experience of the Ecclesiastical Heritage in Acireale; From: Impact of Industry 4.0 on Architecture and Cultural Heritage
Full Text Chapter Download: US $37.50 Add to Cart
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