A new 3D modelling paradigm for discrete model

Bertini, Flavio (2015) A new 3D modelling paradigm for discrete model, [Dissertation thesis], Alma Mater Studiorum Università di Bologna. Dottorato di ricerca in Informatica, 27 Ciclo. DOI 10.6092/unibo/amsdottorato/7020.
Documenti full-text disponibili:
[img]
Anteprima
Documento PDF (English) - Richiede un lettore di PDF come Xpdf o Adobe Acrobat Reader
Download (28MB) | Anteprima

Abstract

Until few years ago, 3D modelling was a topic confined into a professional environment. Nowadays technological innovations, the 3D printer among all, have attracted novice users to this application field. This sudden breakthrough was not supported by adequate software solutions. The 3D editing tools currently available do not assist the non-expert user during the various stages of generation, interaction and manipulation of 3D virtual models. This is mainly due to the current paradigm that is largely supported by two-dimensional input/output devices and strongly affected by obvious geometrical constraints. We have identified three main phases that characterize the creation and management of 3D virtual models. We investigated these directions evaluating and simplifying the classic editing techniques in order to propose more natural and intuitive tools in a pure 3D modelling environment. In particular, we focused on freehand sketch-based modelling to create 3D virtual models, interaction and navigation in a 3D modelling environment and advanced editing tools for free-form deformation and objects composition. To pursuing these goals we wondered how new gesture-based interaction technologies can be successfully employed in a 3D modelling environments, how we could improve the depth perception and the interaction in 3D environments and which operations could be developed to simplify the classical virtual models editing paradigm. Our main aims were to propose a set of solutions with which a common user can realize an idea in a 3D virtual model, drawing in the air just as he would on paper. Moreover, we tried to use gestures and mid-air movements to explore and interact in 3D virtual environment, and we studied simple and effective 3D form transformations. The work was carried out adopting the discrete representation of the models, thanks to its intuitiveness, but especially because it is full of open challenges.

Abstract
Tipologia del documento
Tesi di dottorato
Autore
Bertini, Flavio
Supervisore
Co-supervisore
Dottorato di ricerca
Scuola di dottorato
Scienze e ingegneria dell'informazione
Ciclo
27
Coordinatore
Settore disciplinare
Settore concorsuale
Parole chiave
TUI, 3DUI, SBIM, Sketch-Based Modeling, Curve Network, Perceptual and Conceptual Modelling, Surface Diffusion Flow, Sensors, Boolean operation, Mesh deformation, Total curvature, Elasticity, Gesture interaction, Smart device, Stereoscopic, Reverse engineering
URN:NBN
DOI
10.6092/unibo/amsdottorato/7020
Data di discussione
4 Giugno 2015
URI

Altri metadati

Statistica sui download

Gestione del documento: Visualizza la tesi

^