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Erschienen in:
2005 | OriginalPaper | Buchkapitel
PENCIL: A Framework for Expressing Free-Hand Sketching in 3D
verfasst von : Zhan Ding, Sanyuan Zhang, Wei Peng, Xiuzi Ye, Huaqiang Hu
Erschienen in: Advances in Natural Computation
Verlag: Springer Berlin Heidelberg
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This paper presents a framework for expressing free-hand sketching in 3D for conceptual design input. In the framework, sketch outlines will be recognized as formal rigid shapes first. Then under a group of gestures and DFAs’(deterministic finite automata) control, the framework can express user’s free sketching intents freely. Based on this framework, we implemented a sketch-based 3D prototype system supporting conceptual designs. User can easily and rapidly create 3D objects such as hexahedron, sphere, cone, extrusion, swept body, revolved body, lofted body and their assemblies by sketching and gestures.