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作物生长过程的三维可视化是虚拟作物研究的关键技术之一,针对小麦形态结构复杂,小麦生长可视化不易实现的问题,以小麦作物为对象,在已有研究成果基础上,结合小麦生长模拟模型和形态结构模型,从系统结构与功能、系统设计与实现、真实感图形渲染技术(颜色渲染、纹理映射、光照处理)等方面入手,构建小麦生长模拟与三维可视化系统,实现了小麦生长模型和形态结构模型的有机结合,最终实现了小麦生长过程的三维可视化.小麦生长模拟与三维可视化系统将为小麦作物生长动态预测、栽培管理调控、作物株型设计等提供形象逼真的可视化工具,为小麦理想株型筛选,高产、高效、抗倒伏设计与优化等提供技术支撑.“,”Crop growth process 3D visualization is one of the key technologies of virtual crop research,since morphological structure of wheat is complex and wheat growth visualization is not easy to realize.This study took wheat as the subject,on the basis of existing research results,combined with wheat growth simulation model and the morphological structure model,started with the system structure and function,system design and implementation,realistic graphics rendering technique (color rendering,texture mapping and light processing) and other aspects,built the wheat growth simulation and 3D visualization system,realized the combination of wheat growth model and morphological structure model,and finally realized 3D visualization of wheat growth process.Wheat growth simulation and 3D visualization system would provide visualization tools for wheat growth dynamic prediction,cultivation management control,crop plant type design,etc.and provide technical support for wheat ideal plant type selection,design of high yield,high efficiency,lodging resistance and optimization,etc..