| 一种新的渐进层次细节表示方法 |
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| 引用本文： | 张晔芝,谷士文,夏利民.一种新的渐进层次细节表示方法[J].铁道科学与工程学报,2007,4(2):80-83. |
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| 作者姓名： | 张晔芝 谷士文 夏利民 |
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| 作者单位： | 中南大学,信息科学与工程学院,湖南,长沙,410083 |
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| 摘 要： | 提出了一种新的渐进层次细节表示方法,采用基于图形旋转系统的数据结构,以基网格和操作序列的形式存储层次细节,只使用图形旋转系统的操作集合中的操作,提出的渐进层次细节表示方法支持拓扑简化,能够获得更好的简化效果;在操作过程中模型可始终保持二维流形。结果表明,这种新的渐进层次细节表示方法效果良好,是完全可行的。
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| 关 键 词： | 渐进 层次细节 拓扑简化 二维流形 图形旋转系统 |
| 文章编号： | 1672-7029（2007）02-0080-04 |
| 修稿时间： | 2006-11-16 |
A new progressive level of detail method |
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| ZHANG Ye-zhi,GU Shi-wen,XIA Li-min.A new progressive level of detail method[J].Journal of Railway Science and Engineering,2007,4(2):80-83. |
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| Authors: | ZHANG Ye-zhi GU Shi-wen XIA Li-min |
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| Institution: | School of Information Science and Engineering, Central South University, Changsha 410083, China |
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| Abstract: | A new progressive level of detail(LOD) representation and method was presented.This representation used data structure based on graph rotation system,stores LOD model by basic mesh and operation thread.The method adopted only 4 operations in operation set of graph rotation system.The representation and method supported topology simplification,and got better simplification and preserves 2-manifold of meshes.The results show that this method plays well and the result is practical. |
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| Keywords: | progressive level of detail topology simplification 2-manifold graph rotation system |
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