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Modeling hairy plants. (English) Zbl 1103.68922

Summary: The appearance of computer generated plants has improved significantly due to recent advances in both modeling and rendering. In this paper, we describe a system that further improves the appearance of CG plants by including the tiny hairs that cover many plant organs. A plant skeleton is generated using an L-system and graphically interpreted using generalized cylinders. The individual hairs are then mapped onto the surfaces and boundary edges of the mesh. Hair properties are specified and adjusted according to positional information. Sample images included in the paper illustrate the impact of hairs on the appearance of rendered plants.

MSC:

68U07 Computer science aspects of computer-aided design
68U05 Computer graphics; computational geometry (digital and algorithmic aspects)
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