The Applied Study Of GIS Software Development And Data Unodeling Based On UML

The development of Geographic Information System is a complicated process including very complex aspects: the data acquirement and validation, the expression of spatial relation and topological relation etc. It is a concerned question how to design and develop a stable, interactive, reuseable GIS effectively .But there is often short of effective ways and means to realize these traits wholly.The research of content,process and mean about GIS is lacking. According to flow of routine software development at present, it can't show the traits of development , designing , management in GIS. The development in GIS should make use of software engineering idea and achievement of research . It is necessary to show cognition about GIS wholly and utilize CASE tools to improve development efficiency.Based on the questions and some research of scholars ,we track and research thoroughly in GIS according to software engineering idea. We synthesize a whole development idea primarily and express it by UML, meanwhile analyze a multi-resolution data model in detail. It is meaningful for improving software development efficiency, communication of software development, data shared and system integration.