Surface-based growth simulation for opening flowers

Takashi Ijiri, Mihoshi Yokoo, Saneyuki Kawabata, Takeo Igarashi

研究成果: Conference contribution

24 被引用数 (Scopus)

抄録

We propose a biologically motivated method for creating animations of opening flowers. We simulate the development of petals based on the observation that flower opening is mainly caused by cell expansion. We use an elastic triangular mesh to represent a petal and emulate its growth by developing each triangular region. Our simulation process consists of two steps. The system first grows each triangle independently according to user-specified parameters and derives target rest edge lengths and dihedral angles. The system then updates the global shape to satisi' the rest lengths and dihedral angles as much as possible by means of energy minimization. We repeat these two processes to obtain keyframes of the flower opening animation. Our system can generate an animation in about 11.5 minutes. Applications include the creation of graphics animations, designing 3D plant models, and simulation for aiding biological study. In contrast to existing systems that simulate the development of flattened 2D petals, our system simulates the growth of petals as 3D surfaces. We show the feasibility of our method by c:reating animations of Asiatic lily and Eustoma grandiflorum.

本文言語English
ホスト出版物のタイトルProceedings - Graphics Interface 2008
ページ227-234
ページ数8
出版ステータスPublished - 2008 12 1
外部発表はい
イベントGraphics Interface 2008 - Windsor, ON, Canada
継続期間: 2008 5 282008 5 30

出版物シリーズ

名前Proceedings - Graphics Interface
ISSN(印刷版)0713-5424

Other

OtherGraphics Interface 2008
国/地域Canada
CityWindsor, ON
Period08/5/2808/5/30

ASJC Scopus subject areas

  • コンピュータ グラフィックスおよびコンピュータ支援設計

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