文献类型： 外文期刊
作者： Zhao Chunjiang 1 ; Wang Gongming 1 ; Guo Xinyu 1 ; Li Changfeng 1 ; Lu Shenglian 1 ; Du Xiaohong 1 ; Hao Ruirui 1 ;
作者机构： 1.Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China
关键词： 3D Koch curve; minimal value principle of generalised energy; soil pore characteristics on a small scale; soil pore visualisation
期刊名称：NEW ZEALAND JOURNAL OF AGRICULTURAL RESEARCH （ 影响因子：2.161； 五年影响因子：1.988 ）
ISSN： 0028-8233
年卷期： 2007 年 50 卷 5 期
页码：
收录情况： SCI
摘要： In this article an algorithm for creating 3D Koch curves is proposed. Based on this algorithm, a 3D visualisation of soil pores is constructed. Firstly according to the minimal value principle of generalised energy, we computed the turning point coordinates of the Koch curve and extended it into a 3D curve, and analysed the soil pore structure and the aperture's statistical characteristics; then we modelled the quantificational control of the aperture's variety and distribution and transferred the agriculture parameters of the soil into system parameters. The technique of layer rendering was used to boost the realism of visualisation. Comparing the virtual pictures generated with the metrical data and using the method of qualitative and quantificational contrastive analysis, our approach can generate soil pore 3D structures more realistically and better representing the soil features.
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