STUDY ON SELF-ADAPTIVE EXPANDING ABOUT GIS SYMBOL DATABASE
Xie Wer · Surveying and Mapping of Sichuan · 2000
During GIS's project construction and development for software,symbol provided by GIS platform which you based on usually can't satisfy different user's demand.Therefore it is inevitable to refer to problem about access technique of symbol font files:How to get symbol data;How to make a special symbol;And how to save the symbol you make and so on. This paper mainly discusses the tech and method about expanding GIS symbol database,and puts forward the ideology of self adaptive expanding in order to meet different needs MapInfo symbol database's structure is expanded in this paper,and I/O technique of MapInfo font symbol can be realized and applied successfully in the Distribution Automation GIS(DAGIS).However,this technique also can be adapted to other GIS platform.