Special Section on Procedural Modeling: Procedural grape bunch modeling

Authors:
Chun-Yen Huang;Wan-Ting Jheng;Wen-Kai Tai;Chin-Chen Chang;Der-Lor Way
Affiliations:
Department of Computer Science and Information Engineering, National Dong Hwa University, Hualien, Taiwan;Department of Computer Science and Information Engineering, National Dong Hwa University, Hualien, Taiwan;Department of Computer Science and Information Engineering, National Dong Hwa University, Hualien, Taiwan;Department of Computer Science and Information Engineering, National United University, Miao-Li, Taiwan;School of Film and New Media, Taipei National University of the Arts, Taipei, Taiwan
Venue:
Computers and Graphics
Year:
2013

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Abstract

This paper proposes a grammar-based procedural approach for modeling of grape bunches. A proposed description of the formal rules of an open L-system can be used to model almost all types of grape bunches. When growing a grape bunches, the overall shape for controlling the development is first given by users through the provided user interface, which determines the parameters used for rules. The interaction simulation process then simulates the natural thinning effect between the newborn internode and the existing grape structure via a communication module for the adjustment of the growing directions of branches, twigs and berries during the interpretation of generated string. As experimental results show, our approach is capable of modeling almost all types of grape bunches effectively with realistic visual effects. Also, our approach can be extended to modeling many panicle berry bunches.