期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2019
卷号：237
期号：3
页码：032004
DOI：10.1088/1755-1315/237/3/032004
出版社：IOP Publishing
摘要：In order to keep the facticity of generalization process, more attention should be paid on the feature of datum. According to the analysis of familiar 2D plot knowledge, the graphic and geographic feature can be pre-digested in the electronic chart automatic generalization process. At the same time, the maintenance of facticity should be considered.
