摘要
本文从分析地形图的内容以及其相互关系、地形图符号、数字地形图的编辑、应用方面出发,得出了数字地形图的层次模型,给出了数字地形图的存贮结构。
In this paper, on the base of analysing the contents of the described substance, the mutual relation,the topographic map symbol,and the editing and application of the digital topogrophic map,a topograpphic maps level model was to be gained and its storage structure was to be given.
出处
《地球科学与环境学报》
CAS
1997年第S1期111-113,118,共4页
Journal of Earth Sciences and Environment
关键词
数字地形图
层次模型
存储结构
digital topographic map, level model,storage structure.