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Free-Form Deformation for Implicit Surfaces

Sugihara:Free-Form Deformation for Impl
Autor: Masamichi Sugihara
Verfügbarkeit: nur noch 3 lieferbar
Artikelnummer: 887755
ISBN / EAN: 9783838318882

Verfügbarkeit: sofort lieferbar

49,00 €
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Produktbeschreibung

Implicit surfaces offer many advantages for sketch- based modeling systems, such as blending, CSG, and a procedural object hierarchy. Free-form deformation (FFD) is also extremely useful in this context, however existing FFD approaches do not support implicit surface representations, and FFD lattice manipulation is time-consuming compared to sketch- based techniques. In this thesis, an FFD technique suitable for implicit surface representations is described. To enhance real-time feedback, the problem is split into an approximate formulation used during interactive deformation, and a more robust variational technique which preserves desirable scalar field properties. As an interface to manipulate the deformation, a sketch-based volumetric peeling interface is introduced. The user's task is to draw a curve on the surface, and pull or push the surface to the desirable position via the curve. Subsequently, the deformation is automatically defined. This technique has been implemented in a prototype implicit FFD system called Taco. Results created in Taco show that a desirable deformation can be easily achieved while preserving implicit properties.

Zusatzinformation

Autor Verlag LAP Lambert Academic Publishing
ISBN / EAN 9783838318882 Bindung Taschenbuch

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