Total Design Of Benxi's Digital Land And Realization Of Net Information Promulgation

The earth is a platform for the humen's activety. Under this social background, land resources magagement faces challenges of informational transformation. In order to adapt the requirement of informationalization, it is very important to research building ditital land, promoting land resource management informationalization and constructing contents and approaches, from the point of combination between theory and practice, and the combination between electronical technique and land resourses management.The paper summarized and analysied the world digital earth and digital land information, combined with the fact of Benx's land management,made a integral designment of Benxi City digital land which contains cadastral survey manaual module, land register module, land class assessment module, red line transfer module, land plan module and office automantion system. The whole system had very good transplantation, strong applicability and expansibility. Considered from the technology, the text discussed the incorporation of GIS and OA, system and data structure and more sources questions. At last, the text brang forward a integrative data module of graphics and attribute data.The paper exoatiates the concetpt, principle and development of WebGIS and has primary discussion on SVG. The SVG is an aspect of WebGIS development and it makes the vector graphics displayed plentily on the IE.At last, different data format is studied and united using once and twice transforms. The Benxi City and Shenyang's WebGIS are relized by ArcIMS and ActiveX Controls. In order to ensure data security, right verification is relized using two different methods, document and database.