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3D Sketching for aesthetic design using Fully Free Form Deformation Features

Article dans une revue avec comité de lecture
Author
CHEUTET, Vincent
706 Laboratoire sols, solides, structures - risques [Grenoble] [3SR]
73335 Istituto di Matematica Applicata e Tecnologie Informatiche [IMATI-CNR]
CATALANO, Chiara Eva
73335 Istituto di Matematica Applicata e Tecnologie Informatiche [IMATI-CNR]
FALCIDIENO, Bianca
73335 Istituto di Matematica Applicata e Tecnologie Informatiche [IMATI-CNR]
GIANNINI, Franca
73335 Istituto di Matematica Applicata e Tecnologie Informatiche [IMATI-CNR]
LEON, Jean-Claude
706 Laboratoire sols, solides, structures - risques [Grenoble] [3SR]
ccPERNOT, Jean-Philippe
178374 Laboratoire des Sciences de l'Information et des Systèmes : Ingénierie Numérique des Systèmes Mécaniques [LSIS- INSM]

URI
http://hdl.handle.net/10985/11379
DOI
10.1016/j.cag.2005.09.009
Date
2005
Journal
Computers and Graphics

Abstract

This paper addresses the designers’ activity and in particular the way designers express an object shape in 2D sketches through character lines and how these lines form a basis for sketching shapes in 3D. The tools currently available in commercial CAS/CAD systems to manipulate the digital models are still not sufficiently suited to support design. In this paper, the so-called fully free-form deformation features (d-F4) are introduced as a modelling method to take into account the curve-oriented stylists’ way of working. Both the advantages of a free-form surface deformation method and a feature-based approach are merged to define these high-level modelling entities allowing for a direct manipulation of surfaces through a limited number of intuitive parameters. Such features incorporate several characteristics designed to handle the uncertainties and/or inconsistencies of the designer’s input during a sketching activity. In addition, a d-F4 classification is proposed to enable a fast access to the desired shape according to its semantics and characteristics.

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