Modelling error propagation in vector-based buffer analysis

被引:25
作者
Shi, WZ [1 ]
Cheung, CK [1 ]
Zhu, CQ [1 ]
机构
[1] Hong Kong Polytech Univ, Adv Res Ctr Spatial Informat Technol, Dept Land Surveying & Geoinformat, Hong Kong, Hong Kong, Peoples R China
关键词
D O I
10.1080/1365881022000016007
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Error propagation of buffer analysis in a vector-based geographical information system (GIS) is studied with the use of statistics and numerical analyses. In this paper, such factors as the error of commission, the error of omission, the discrepant area and the normalized discrepant area are proposed as the error indicators of buffer analysis. Analytical expressions for the error indicators are developed as multiple integrals. A numerical integration method is recommended to find an approximation to the analytical expression.
引用
收藏
页码:251 / 271
页数:21
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