JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.4 P.481-488

Flower solid modeling based on sketches

Author(s): Zhan DING, Shu-chang XU, Xiu-zi YE, Yin ZHANG, San-yuan ZHANG
Affiliation(s): State Key Lab of CAD & CG, School of Computer Science, Zhejiang University, Hangzhou 310027, China
Corresponding email(s): dingzh@hotmail.com, yxz@zju.edu.cn
Key Words: Solid modeling, Floral diagram, Inflorescence, Gesture, Constrained Delauny triangulation (CDT), Freehand sketching

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Abstract: In this paper we propose a method to model flowers of solid shape. Based on (Ijiri et al., 2005)’s method, we separate individual flower modeling and inflorescence modeling procedures into structure and geometry modeling. We incorporate interactive editing gestures to allow the user to edit structure parameters freely onto structure diagram. Furthermore, we use free-hand sketching techniques to allow users to create and edit 3D geometrical elements freely and easily. The final step is to automatically merge all independent 3D geometrical elements into a single waterproof mesh. Our experiments show that this solid modeling approach is promising. Using our approach, novice users can create vivid flower models easily and freely. The generated flower model is waterproof. It can have applications in visualization, animation, gaming, and toys and decorations if printed out on 3D rapid prototyping devices.

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