摘要
作者针对GIS中数据采集和编辑处理做了初步的实验研究。在实验中．采用基于孤段可实时编辑的数字化仪数据采集程序采集原始数据；在所采集的原始弧段数据文件的基础上．建立了具有拓扑关系的弧段索引文件、多边形索引文件和多边形顺序索引文件，从而较大地提高了数据检索的效率和显示效果。
The author has already made elementary experimental research for data collection and edition pmeess in GIS. During the experiment, the author adopts dinitalizer s conection program on arc segtnent in real time edition to conect original data. On the basis of the otiginal arc segtnent data files. the arc segment index files polygon index files and sequential polygon index files employing topological relation can be established. thus, it greatly increases data search efficiency and enhances display effect.
出处
《四川测绘》
1997年第4期172-174,共3页
Surveying and Mapping of Sichuan
关键词
GIS
数据采集
编辑处理
索引文件
data collection
edition process
arc segment
index files
search
