This paper mainly focused on the growth law, model construction and visualization of a soybean root. A pot experiment was conducted in the laboratory to collect root system data and measure soybean root's length, diameter and number by excavating in different periods. On the basis of an in-depth analysis of root structure geometry, the author analyzed the collected experimental data with logistic equations, and got the growth of soybean root equation, according to its morphological structure characteristic of self-similarity, and discussed the virtual modeling method on the soybean root based on L-system and in visual C++using OpenGL technology to achieve a soybean root system topology model and visualization simulation.
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机译：本文主要研究大豆根的生长规律，模型构建和可视化。在实验室进行了盆栽试验，收集根系数据，并通过在不同时期开挖来测量大豆根的长度，直径和数量。在对根系结构几何学进行深入分析的基础上，利用逻辑方程对收集到的实验数据进行分析，根据大豆根系方程的自相似性形态结构特征，得到了大豆根系方程的增长式，并对虚拟模型进行了探讨。基于L系统和Visual C ++的OpenGL在大豆根上的改进方法，实现了大豆根系统的拓扑模型和可视化仿真。
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