| 用差分方法处理NURBS曲面 |
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| 引用本文： | 宁涛. 用差分方法处理NURBS曲面[J]. 计算机辅助设计与图形学学报, 1992, 4(2): 37-43 |
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| 作者姓名： | 宁涛 |
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| 作者单位： | 北京航空航天大学 100083 |
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| 摘 要： | 本文用线性变换的观点,结合矩阵方法简明地说明了用差分方法处理任意次有理代数曲面的基本原理,给出了曲面法线和差分过程中产生的中间数据的关系,使法线的计算得到简化。同时,本文的步长和参数选择方法可以防止曲面出现“裂纹”及其边界上的严重走样。
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| 关 键 词： | NURBS曲面 差分 |
Notes on Remdering NURBS With Forward Differencing |
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| Ning TaoGroup ,Beijing University of Aeronautics and Astronautics. Notes on Remdering NURBS With Forward Differencing[J]. Journal of Computer-Aided Design & Computer Graphics, 1992, 4(2): 37-43 |
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| Authors: | Ning TaoGroup Beijing University of Aeronautics Astronautics |
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| Affiliation: | Ning TaoGroup 703,Beijing University of Aeronautics and Astronautics,100083 |
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| Abstract: | The forward differencing method developed by Sun Microsystems is reviewed in a straightforward way. Some improvements are made to the original algorithms, namely , the calculation of surface normal. the adaptive choosing of both u,v values duriny acanning the surface and a simplified way of anti-aliasing. |
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| Keywords: | NURBS differencing antialiasing. |
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