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The reuse of free-form surface features: A wavelet approach

Amati, G; Liverani, A; Caligiana, G; (2004) The reuse of free-form surface features: A wavelet approach. In: Hamza, MH, (ed.) Proceedings of the IASTED International Conference on Applied Simulation and Modelling. (pp. 247 - 252). ACTA PRESS

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The reuse of free-form surface features (FFF), created in different design sessions, is a growing, research field in geometric modelling. The development of this research field will give important improvements in surface shape activities in modern CAD and CAID (Computer-aided Industrial Design) systems. Traditionally, the surface modelling software has been founded on parametric definition of curves and surfaces (Splines and NURBS), giving to designers a great flexibility and power, but lacking in global shaping tools.Nowadays. the most exploited modelling commands are curve-constraining rules and control points repositioning: the first is very time-consuming, while the second is not global and may lead to a smooth-less surfaces.In this paper, we investigate on an application of Multiresolution Analysis (MRA) theory in wavelets representation, to develop a innovative global shaping tool for free-form features reusing. The developed algorithm aims to overcome the traditional control points description thanks to a wavelets coefficients representation of geometry features. The final result of this approach is to give the possibility in building a designer's own features library, which can be available in different modelling sessions, both improving surface quality and reducing time-consuming shaping procedures in product design development.

Type: Proceedings paper
Title: The reuse of free-form surface features: A wavelet approach
Event: IASTED International Conference on Applied Simulation and Modelling
Location: Rhodes, GREECE
Dates: 2004-06-28 - 2004-06-30
ISBN: 0-88986-397-0
Keywords: free-form features reuse, multiresolution, wavelets, LOD, REPRESENTATION
URI: http://discovery.ucl.ac.uk/id/eprint/115698
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