【摘要】 该文归纳了地籍信息系统中地块动态变化的基本类型 ,提出了存储动态变化信息的两种解决方案 ,分别称之为基于多边形的数据结构和基于弧段的数据结构 ,讨论了它们具体的实现 ,并比较其优缺点更多还原

【Abstract】 The four basic types of the changes of parcels in the cadastral information system are summarized. Then,two schemes for storing the dynamic information of parcels are raised, which respectively are named the polygon-based data structure and the arc-based data structure. The achievements of the two schemes are discussed, and their advantages and shortcomings are also contrasted.更多还原