河系树的建立及其应用  

Construction and Application of River-Tree

作　　者：张青年[1] 全洪[2] 

机构地区：[1]中山大学地理科学与规划学院,广东广州510275 [2]佛山市国土资源局南海分局,广东佛山528000

出　　处：《中山大学学报（自然科学版）》2005年第6期101-104,共4页Acta Scientiarum Naturalium Universitatis Sunyatseni

基　　金：国家自然科学基金资助项目(40101024);国家"985工程"GIS与遥感的地学应用科技创新平台基金资助项目(105203200400006)

摘　　要：从树状河系的结构特点出发,提出了自河源开始向下游追踪,由河段数据构建河流实体、区分左右支流、自动建立河系树的方法,并将其用于河流数据的查询处理与数据质量检查。并在Java环境下编程试验了该方法,在河流检索及数据检查试验研究中取得了满意的效果。According to the characteristics of dendritic river systems, a method of constructing river-tree was proposed. Starting from river sources, river entities was constructed from river segments, and left and right tributaries of the main stream were identified. The method was fested in Java environment. The results showed that the method was effective to construct river trees and river-tree was useful for data query and quality inspection.

关 键 词：树状河流 河系树 数据检索 质量检查 

分 类 号：P283.7[天文地球—地图制图学与地理信息工程]