| 曲面三角网格模型顶点法矢计算与交互式分割 |
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| 引用本文： | 神会存,周来水,安鲁陵,周儒荣.曲面三角网格模型顶点法矢计算与交互式分割[J].计算机辅助设计与图形学学报,2005,17(5):1030-1033. |
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| 作者姓名： | 神会存 周来水 安鲁陵 周儒荣 |
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| 作者单位： | 1. 南京航空航天大学CAD/CAM工程研究中心,南京,210016;中原工学院机电学院,郑州,450007
2. 南京航空航天大学CAD/CAM工程研究中心,南京,210016 |
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| 基金项目： | 国家自然科学基金 ( 60 2 73 0 97)，航空科学基金( 0 1H5 2 0 5 1) |
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| 摘 要： | 本文给出一种三角网格模型顶点法矢计算公式，该公式采用网格模型中三角片面积与顶角角度综合加权，其计算精度高于现有的面积加权计算方法．另外，本文还提出了一种简便灵活的任意拓扑曲面三角网格模型交互式分割方法．利用该方法，可有效地将任意拓扑三角网格模型分割为几个与盘形拓扑同胚的区域，为后续处理提供方便。
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| 关 键 词： | 三角网格模型 顶点法矢计算 交互式分割 |
Vertex Normal Calculation and Interactive Segmentation of Triangle Mesh |
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| Shen Huicun,Zhou Laishui,Zhou Rurong,An Luling.Vertex Normal Calculation and Interactive Segmentation of Triangle Mesh[J].Journal of Computer-Aided Design & Computer Graphics,2005,17(5):1030-1033. |
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| Authors: | Shen Huicun Zhou Laishui Zhou Rurong An Luling |
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| Affiliation: | Shen Huicun 1,2) Zhou Laishui 1) Zhou Rurong 1) An Luling 1) 1) |
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| Abstract: | A combination of area and vertex angle of surrounding triangles is taken as weight to calculate the normal vectors of triangle mesh vertices. An interactive method for segmenting triangle mesh is also presented to simplify and enhance the flexibility of segmentation process. A complex triangle mesh with arbitrary topology can be efficiently segmented into several needed patches, each patch is homeomorphic to a disk. The results of segmentation would facilitate the further processing of mesh. |
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| Keywords: | triangle mesh calculation of vertex normal interactive segmentation |
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