| The Urban Planning Geographical Information System is one of the important components of the GIS, is it gather with computer and information engineering to urban spatial information and attribute datum to be risen rapidly with desirability of the information social development, store, manage, analysis, use and safeguard newer comprehensive systematic technology, it has offered ration, scientific technological means and method for planning, building and managing of the city, offer auxiliary support for making policy.Since middle period of the 1990s, a lot of cities in our country put into a large amount of manpower and materials, have done a lot of beneficial exploration in GIS of the urban planning, have summarized and accumulated a lot of useful practical experience. However, as everyone knows, the development of the GIS relies on " software component" of the need in order to meet the function or serve in a large amount at present, for instance: Such a series of as GIS, DSS, OA, CAD, etc. use the middle components, but it is related with communication to often lack during that time, cause the phenomenon of" Information Island " of information to be serious, but these components are important parts that GIS systems can't be given up exactly.With web services and relevant rapid development of technology, GIS application carries out the transition progressively to SOA based on the web services. SOA is a component model; it links up through defining between these services good interface and agreement the different functions unit of the application program. The interface is defined by the neutral method; it should be independent of the hardware platform, operating system and programming language realizing services. This makes it build in various kinds of such service of the system can unified and in common use way to carry out mutual.The method of adopting SOA to structure the distributed GIS application program can pay to the end user the function to regard as services, can structure other GIS services too. SOA can based on the web services, but it can change into and use other technology to replace too. While using SOA to design the distributed application program, the developer may expand the use that web services into a wanton and complicated system from simple client to server model.For the technology development trend in software field and the demand of fast, flexible, changeable, safe about GIS business integration that increase day by day, this thesis has served the technology of web services composition to regard as the key technology of business integration for GIS trade user. It builds up integrated mode that the transformation has traditional expensive GIS originally with SOA on this basis, thus realize the loose coupling supports platform for application of the urban planning GIS.The main research work of this thesis as follow:1) This thesis analyzes the development of the urban planning GIS and application current situation in our country's urban planning management, point out it is a subjectmatter needing to solve urgently at present how to realize flexible and changeable GIS business integration with SO A.2) The thesis has discussed the software development trend, has analyzed the basic conception of SO A and served the concept of the supports platform for application of the urban planning GIS built up on the basis of SOA. Then introduced the function model of this platform and has done preliminary exposition to system structure and service framework of this platform. Finally, it put forward several kinds of feasible services realize the norm under this platform.3) The thesis has made concrete exposition and studied in the key technology of realizing the supporting platform, and the technological foundation on web services: SOAP, WSDL, UDDI have been discussed deeply.4) The thesis, through the research of the supporting platform and discussion of key technology to the urban planning GIS that is built up on the basis of SOA, combine the own characteristic of the urban planning GIS, and on this basis, begin to develop actually, progressively thinning. The thesis put forward a prototype system about ChangPing SOA-GIS. It makes beneficial exploration and try with urban planning GIS to build up among design and course that realize of system.The urban planning GIS built up on the basis of SOA is still a brand-new research field, the research and development of the integrated technology of GIS business under SOA framework will all bring the great impact to traditional GIS technology, the application of every aspect in traditional GIS will all exert a far-reaching influence. This thesis combines the digital concrete development situation of using the project of ChangPing on the basis of the thing that the theory is analyzed, have carried on the discussion and research to the necessity and feasibility which set up the urban planning GIS under SOA framework, try to design and develop the urban planning GIS of ChangPing Town.Practice indicates, the supporting platform of urban planning GIS on the basis of SOA is the extremely good solution to overcome problems of present digital urban construction and integration from the theory and technology, to that the similar city in the future develops the GIS of the urban planning have certain reference meanings.
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