A Study On Geographical Information Publish Technologies For Government Portal Web Site

With the development of computer network technology, publish spatial information on Internet becomes the important field in WebGIS application. In a large scope, Internet alerts the traditional way of data access and publish. It has become the direction of GIS development to exploit the advantages of Internet to publish geography data on Web, provide users with access, browse, and analysis to geography information. The organic combination of GIS and Internet expands the application fields from expert system to all aspects of society.Government Portal Web Site is a part of E-Government. The spatial information can serve as the positioning framework for Government Portal Web Site. Added with government affairs information and special information, it can provide perfect services for public, enterprise and other organization. At the same time, it can support government make the decision. So, we studied the technologies of issue geographical information on Government Portal Web Site. And it not only has the important academic value, but also promotes the visualization level of Government Portal Web Site.Through analysis and contrast the existing technologies, and aim at the characteristic of Government Portal Web Site, the author selected an appropriate technology applied to it. And the paper discussed the key techniques to promote the Station's practicability and operability. Finally, combined the actualization of HeNan Electronic Map, we used these key techniques.