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煙草花幾何建模研究
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國家自然科學(xué)基金資助項目(30700493);北京市自然科學(xué)基金資助項目(4081001)


Geometric Modeling of Tobacco Flower
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    摘要:

    為實現(xiàn)花冠聯(lián)合植物的花朵幾何建模,,以煙草花為例,,提出了一種基于球B樣條曲線和參數(shù)曲面的花朵造型方法,。通過對煙草花形態(tài)結(jié)構(gòu)的觀測分析,,分別對雌蕊,、雄蕊,、花柄,、花冠和花萼的幾何形狀進行了數(shù)學(xué)描述,,提取了模型控制參數(shù),;結(jié)合顏色渲染色和整個花的拓撲信息,實現(xiàn)了煙草花整個模型的建立,。實驗結(jié)果表明,,該方法可以有效地對煙草花進行模擬,可控性強,,建立的模型有較高真實感,,為其他花冠或花萼聯(lián)合的植物幾何建模提供了方法,。

    Abstract:

    In order to realize the geometric modeling of plant flowers of crown united, taking tobacco flower as an example, a flower modeling method based on ball B-spline curve and parametric surface was proposed. Morphological characters were analyzed. Firstly, 3-D shape of each parts with mathematics were described and the control parameters were get. And then, visualization of them with relative color and topology information were realized. The results showed that proposed method could effectively simulate tobacco flower with good controllability. The models showed more reality, which provided a new technique for explicit modeling of other similar flowers.

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王蕓蕓,溫維亮,郭新宇,趙國輝,陸聲鏈,肖伯祥.煙草花幾何建模研究[J].農(nóng)業(yè)機械學(xué)報,2011,42(4):163-167,173. Wang Yunyun, Wen Weiliang, Guo Xinyu, Zhao Guohui, Lu Shenglian, Xiao Boxiang. Geometric Modeling of Tobacco Flower[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(4):163-167,173.

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