用三角网格和四边网格重网格化
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用三角网格和四边网格重网格化
摘 要
本文论述了如何用具有特殊连通性的三角网格或四边网格去近似给定的任
意连通性的三角网格,这个过程被称为重网格化,它是出于新的网格所具有的
特殊结构可以使用有效的算法来显示、存储、传输和编辑的目的产生的。这些算
法需要的特殊结构就是细分连通性,它是通过反复的插入边的中点来实现的,
几乎每个点都具有六个与之相连的邻接点。
关键词 三角网格、四边网格、重网格化、细分连通性、参数化
Abstract
In this chapter we discuss how to approximate a given
triangulation T by a new triangulation T’ or quadrilateral Q’ which
has a certain connectivity structure. This process is commonly known
as remeshing and motivated by the fact that the special structure of
the new triangulation allows to apply very efficient algorithms for
displaying, storing, transmitting, and editing. The special structure
required by these algorithms is the subdivision connectivity, which
is generated by iteratively refining a triangulation dyadically and
is furthermore characterized by the property of almost all vertices
having valency six.
Key words triangulation 、quadrilateral 、remeshing 、subdivision
connectivity 、parameterization
1
目录
用三角网格和四边网格重网格化........................................1
摘 要............................................................1
ABSTRACT...........................................................1
1.前 言...........................................................3
2.先前的工作......................................................4
3.基本思想........................................................4
4.参数化..........................................................5
4.1 背景分析
....................................................5
4.2 方法
........................................................7
4.2.1 线性方法................................................7
4.2.2 MIPS—最大等容参数化...................................11
5.重网格化.......................................................13
5.1 构建基本网格
...............................................14
5.1.1 三角网格的基本网格.....................................14
5.1.2 四边网格的基本网格.....................................15
5.2 边界调整
...................................................15
5.3 细分网格
...................................................15
5.4 还原到三维空间
.............................................16
6.例子...........................................................17
7.讨论...........................................................23
参考文献.........................................................24
致谢.............................................................26
2
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用三角网格和四边网格重网格化摘要本文论述了如何用具有特殊连通性的三角网格或四边网格去近似给定的任意连通性的三角网格,这个过程被称为重网格化,它是出于新的网格所具有的特殊结构可以使用有效的算法来显示、存储、传输和编辑的目的产生的。这些算法需要的特殊结构就是细分连通性,它是通过反复的插入边的中点来实现的,几乎每个点都具有六个与之相连的邻接点。关键词三角网格、四边网格、重网格化、细分连通性、参数化AbstractInthischapterwediscusshowtoapproximateagiventriangulationTbyanewtriangulationT’orquadrilateralQ...
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作者:朱铭铭
分类:高等教育资料
价格:150积分
属性:26 页
大小:824.25KB
格式:DOC
时间:2024-09-20