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We present a rule-based approach combined with traditional geometric modelling techniques that allows easy generation of many branching objects including flowers, bushes, trees, and even nonbotanical objects. A set of components describing structural and geometrical elements of plants maps to a graph that forms the description of a specific plant and generates the geometry. Users get immediate feedback on what they've created-geometrical parameters, tropisms, and free-form deformations can control the overall shape of a plant. We demonstrate that our method handles the complexity of most real plants.
Lintermann et al. (Fri,) studied this question.