Research on Sea Digital Map based on WEBGIS

Sea digital map technique is one of the key developed techniques in forehand. The thesis develops WEB-ECDIS which is a Web Sea Digital Map System developed by WEBGIS technique and GeoBeans5.5, a WEBGIS tool software. WEB-ECDIS, working in the environment of Internet or intranet, is an Industrial WEBGIS system facing for the field of maritime traffic application which compatilizes, stores, processes, analyzes, displays and applies sea digital geographical map information. It can offer geographical query and obtaining the map service based on Sea Digital Map and related operational attribute data through Internet browser. At the point of view of realization technique and application, this thesis gives a detailed introduction.