From Geometric Modeling to Shape Modeling. Questo articolo non è disponibile.From Geometric Modeling to Shape Modeling

IFIP Working Group 5.2 has organized a series of workshops aimed at presenting and discussing current issues and future perspectives of geometric modelling in the CAD environment. This text comprises the proceedings of the seventh GEO workshop, which was sponsored by the International Federation for Information Processing (IFIP) and held in Parma, Italy in October 2000. The workshop looked at paradigms for CAD, including the evolution of geometric-centric CAD systems, modeling of non-rigid materials, shape modeling, geometric modelling and virtual prototyping, and methods of interaction with geometric models. The 17 included papers provide an overview of the evolution of geometric centric modelling into shape modelling. Also included is an invited speaker paper, which discusses the foundation of the next generation of CAD systems, where shape and function enhance geometric descriptions.

Preface. Part One: Invited Talk. 1. Simultaneous product development: the move from serial collaboration to parallel co-development; A. Rimoldi. Part Two: Theoretical Foundation For Solids And Surfaces. 2. Models and representations for families of parts; S. Raghothama, V. Shapiro. 3. Transfinite interpolation of surfaces with integral constraints using a design language; F. Bernardini, G. Cenciotti, A. Paoluzzi. 4. The flattening of arbitrary surfaces by approximation with developable stripes; S. Kolmanic, N. Guid. Part Three: Computational Basis for Geometric Modeling. 5. Satisfying interaction constraints; A. Noort, R. Bidarra, W.F. Bronsvoort. 6. Distance constraint satisfaction based on geometric relaxation; L. Solano, P. Brunet. Part Four: Methods of Interaction with Geometric Models. 7. 3D sketch: sketch-based model reconstruction and rendering; J. Mitani, H. Suzuki, F. Kimura. 8. Web-based interaction on feature models; E. van den Berg, R. Bidarra, W.F. Bronsvoort. Part Five: Industrial Applications for Geometric Modeling. 9. A rendering-based CAD method for the design and testing of rearview mirrors; M. Carfagni, L. Landi. 10. Meshfree automation of engineering analysis; V. Shapiro, I. Tsukanov. 11. A 3D graphic environment for garments design; T. Bonte, A. Galimberti, C. Rizzi. Part Six: New Paradigms of Geometric Modeling for CAD. 12. Generating CAD models from sketches; S. Roth-Koch. 13. Parametric design method based on topological and geometrical constraints; M. Higashi, H. Senga, A. Nakamura, M. Hosaka. 14. Spatial modeling and reasoning for automatic dimensional inspection; A.A.G. Requicha, S.N. Spitz. Part Seven: Shape Modeling. 15. Quadratic supercyclides for geometric design; M.J. Pratt. 16. Shape abstraction using computational topology techniques; S. Biasotti, B. Falcidieno, M. Spagnuolo. 17. From solids to particle-based models; M. Bordegoni, C. Cilloni, F. De Angelis. Author index. Keyword index.