概念
(1)Piecewise linear complex (PLC) 分段线性复合形
(2)Cell complex 单元复形 [1] (胞腔复形? 元胞复形)
A subset of a cell complex is called a subcomplex if it is a union of cells of containing the closures of such cells. Thus, the -dimensional skeleton of is a subcomplex of . Any union and any intersection of subcomplexes of are subcomplexes of .
Any topological space can be regarded as a cell complex — as the union of its points, which are cells of dimension 0. This example shows that the notion of a cell complex is too broad; therefore narrower classes of cell complexes are important in applications, for example the class of cellular decompositions or CW-complexes (cf. CW-complex).
https://www.encyclopediaofmath.org/index.php/Cell_complex
(3)Linear Cell Complex 线性单元复形 (参考)
给定一组平面曲线(planar curves), arrangement是将平面分解subdivision of the plane为0维zero-dimensional, 一维(线)one-dimensional 二维(面)单元 two-dimensional cells, 称作节点vertices、边 edges和面元 faces
CGAL CGAL中,2D Arrangements学习笔记 http://www.cnblogs.com/lihao102/archive/2013/04/14/3020238.html
技巧:
生成一个Cell complex之后,用ArcGIS相交Intersect工具,利用范围裁剪。