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What is Texture Mapping

Chapter 3
Impact of Industry 4.0 on Architecture and Cultural Heritage
It is a technique that allows one or more textures to be projected onto the surface of a 3D model, using UV coordinates.
Published in Chapter:
From Digital Survey to a Virtual Tale: Virtual Reconstruction of the Convent of Santa Maria delle Grazie in Milan
Cecilia Maria Bolognesi (Politecnico of Milano, Italy) and Damiano Antonino Angelo Aiello (Università di Catania, Italy)
Copyright: © 2020 |Pages: 27
DOI: 10.4018/978-1-7998-1234-0.ch003
Abstract
Nowadays, the innovative learning methods, such serious games, have become the new frontier of education and communication; in architecture, the virtual reconstructions of historical sites in their current state, in their original appearance and in their evolution over the centuries have contributed to the development of digital technologies (such as digital survey, Virtual Reality, and Augmented Reality). This chapter describes the potentialities of new digitization technologies as tools to communicate and disseminate Cultural Heritage (CH) starting from its digital survey and a scientific research of historical sources. This research finds a new way to effectively tell the history of a monument and to transmit its value as a witness of ages that no longer belong to us, bringing it virtually to life. Specifically, the research group focused on the test of a digital workflow of surveying and modelling of some rooms of the convent of Santa Maria delle Grazie in Milan, that contain wonderful witnesses of Italian Renaissance characterized by a troubled history.
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Chapter 13
Enhancing the Cultural Heritage between Visual Technologies and Virtual Restoration: Case Studies to Models for Visual Communication
This term indicates the process regarding the correct positioning of 2D images (bitmap) on the surfaces of a numerical or polygonal model. More precisely, it is the process through which each mesh of the polygonal model is assigned a particular texture described by a texel (texture pixel) matrix. It is realized by creating a projection correspondence between the mesh vertices—described in 3D orthogonal digital (xyz) space by XYZ coordinates—and the image points—intrinsically oriented according to the 2D (uv) system of reference with UV coordinates. There are different means of realizing these associations, which are distinguished according to the geometric characteristics of the models. Texture mapping is used when a perceptually accurate 3D model is necessary.
Published in Chapter: Enhancing the Cultural Heritage between Visual Technologies and Virtual Restoration: Case Studies to Models for Visual Communication; From: Handbook of Research on Emerging Technologies for Digital Preservation and Information Modeling
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Chapter 2
The Surveying and Representation Process Applied to Architecture: Non-Contact Methods for the Documentation of Cultural Heritage
Texture mapping is based on a stored bitmap consisting of texture pixels, or texels. It consists of wrapping a texture image onto an object to create a realistic representation of the object in 3D space. The object is represented by a set of polygons, usually triangles. The advantage is complexity reduction and rendering speed, because only one texel read is required for each pixel being written to the frame buffer. The disadvantage is the blocky image that results when the object moves.
Published in Chapter: The Surveying and Representation Process Applied to Architecture: Non-Contact Methods for the Documentation of Cultural Heritage; From: Handbook of Research on Emerging Digital Tools for Architectural Surveying, Modeling, and Representation
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Chapter 14
Giving Form to Absence: Experiences in Representation, Communication, and Narration for the Places and Community of Amatrice
This term indicates the process regarding the correct positioning of 2D images (bitmap) on the surfaces of a numerical or polygonal model. More precisely, it is the process through which each mesh of the polygonal model is assigned a particular texture described by a texel (texture pixel) matrix. It is realized by creating a projection correspondence between the mesh vertices—described in 3D orthogonal digital (xyz) space by XYZ coordinates—and the image points—intrinsically oriented according to the 2D (uv) system of reference with UV coordinates. There are different means of realizing these associations, which are distinguished according to the geometric characteristics of the models. Texture mapping is used when a perceptually accurate 3D model 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
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