| With the concept of digital earth brings up, it obtains attention around government, study organization and industry department all over the world. In China, railroad department responses to digital earth summon and speed its steps to construct digital railroad. Railroad department spends mass of force and finance to program and establish many management information systems. And it succeeds to bring GIS the key technology of digital earth to establish some practical example.This paper emphasizes on the using GIS in digital railroad. Starting off from actual railroad dispatching management information system, it puts forward a kind of solution for railroad dispatching management information web distributing based on WebGIS. This solution will full exerts GIS merit on graphic represent, spatial analysis and correlative between graphic and attribute to make railroad dispatching management information more in focus. Besides, this paper attempts to standardize the Railroad Dispatching Management Information into GIS formulation, which will contribute to the sharing and interoperation of railroad dispatching management information.First, the paper discusses the realization technology and railroad dispatching management information system, analyses the markets prospects of railroad dispatching management information web distributing system based on WebGIS., points out- the feasibility and advantage of using the WebGIS technology. Second, it puts forward the frame system design, its concrete realization and application mode of Railroad Dispatching Management Information Web Distributing System Based on WebGIS. It emphasize on the analysis of the organization and present of Railroad Dispatching Management Information based on GIS. At last, we set up a experiment system — Wu Han Railroad Department Railroad Dispatching Management Information Web Distributing System, then take a conclusion and picture the prospect of the research.
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