The fractal L-system utilizes the self similarity of plants to model plant structures,and has important applications in research such as virtual plants and landscape design.Introducing the multi rule random L-system into 3D plant modeling,the key points of L-system design were given for common shrubs,uniaxial trees,and biaxial trees,and specific L-system modeling cases were implemented in MATLAB environment.The simulation results indicate that the designed three-dimensional L-system can ef-fectively simulate the structural morphology of different types of plants.
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