| 水稻稻穗三维形态交互设计及可视化仿真研究 |
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| 引用本文： | 青克乐其其格,郭新宇,肖伯祥,温维亮,乔桂新.水稻稻穗三维形态交互设计及可视化仿真研究[J].农机化研究,2011,33(5). |
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| 作者姓名： | 青克乐其其格 郭新宇 肖伯祥 温维亮 乔桂新 |
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| 作者单位： | 1. 首都师范大学,北京,100048;国家农业信息化工程技术研究中心,北京,100097
2. 国家农业信息化工程技术研究中心,北京,100097 |
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| 基金项目： | 北京市自然科学基金重点项目(4081001); 国家“十一五”科技支撑计划项目(2009BAD8B05); 农业科技成果转化资金项目(2009GB2A000001) |
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| 摘 要： | 根据水稻稻穗的三维形态结构特征,分析稻穗的拓扑结构并进行参数化建模,实现水稻稻穗的交互设计及可视化仿真。首先,建立稻穗的几何模型,用B样条拟合的方法生成水稻的谷粒,用球B样条生成稻穗主轴、枝梗轴和小枝梗;在稻穗几何模型的基础上,基于OpenGL图形库,应用光照和纹理映射等渲染技术增强了真实感,实现了稻穗的三维可视化。实验结果表明,可视化模型具有良好的可控性和较高的真实感效果。
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| 关 键 词： | 稻穗 B样条 球B样条 可视化 |
3D Interactive Design and Visualization of Rice Panicle |
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| Qingkeleqiqige,Guo Xinyu,Xiao Boxiang,Wen Weiliang,Qiao Guixin.3D Interactive Design and Visualization of Rice Panicle[J].Journal of Agricultural Mechanization Research,2011,33(5). |
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| Authors: | Qingkeleqiqige Guo Xinyu Xiao Boxiang Wen Weiliang Qiao Guixin |
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| Institution: | Qingkeleqiqige1,2,Guo Xinyu1,Xiao Boxiang2,Wen Weiliang2,Qiao Guixin2(1.Capital Normal University,Beijing 100048,China,2.National Engineering Research Centre for Information Technology in Agriculture,Beijing 100097,China) |
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| Abstract: | According to morphological structure of rice panicle,3D interactive design as well as visualization of rice panicle is implemented based on the topological analysis and parameterization.Firstly,B-spline curves are used to construct the rice grain model.Ball B-spline objects are used to construct the rice panicle main axle and primary and secondary branch axle.And then,lighting and texture mapping are used to render the realistic scene based on OpenGL graphic library.The experimental results show that the vi... |
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| Keywords: | rice panicle B-spline curve ball B-spline visualization |
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