Software design and development for marine fisheries electronic mapping system

The data model and main functions of the software EA 2000 for marine fisheries electronic mapping system have been introduced systematically in this paper. EA2000 software adopts object2oriented data model , and a hierarchical approach for organizing electronic map data. The software has many functions such as multi2 sources data input ; layer2map2atlas making, mapping template; spatio2temporal dynamic display , dynamic monitoring of fishing boats , zoom in / out and so on.