Study Of The Exploitation Of Weihai Envionmental Protection Geography Information System

By means of analyses the Project backdrop, The present situation is researched in inquirement home and abroad. Project building essentiality and feasible quality were clarifyed。 The paper is through the consumer' s operational control present situation. Concrete demand and the data demand three hands carry on the user requirement analysis, On this base, Carry on the system design。System design: The environmental protection geography informations system consist of data collect and construct geodatabase. The special topic data collect and construct the database, Software development three works. The geodatabase chiefly consist of Weihai 1: 50000 (DLG. DOM. DEM) Data, Huancui district 1: 10000 (DLG, DOM, DEM) Data, Urban district 1: 2000DLG data. The special topic data are main consists of pollution source room and property data, Air. Noise. The water monitors spot's spatial and property data, other environmental protection special topic data. It is pragmatic that one suit of economy will be opened up in the software development quite right, It is convenient to manipulate, employ agilely, environmental protection geography informations system friendly at interface.The target on the basis of the system design formulation has been carried on the systematic function designing. Spatial database design and environmental protection special topic database design. The systematic function designed ought to have: Message inquiry, database management, report form export, monitoring analysisis. report and registration of pollutants, base information management and system maintenance eight function modules, Moreover to every module function description and the design. The system adopts Microsoft Visual Basic 6.0 and SuperMap Object 3.0 as terrace for development, Sql Server2000 as behind-the-scenes backers database. Design in the spatial database, Depict the database logical relation. To data manufacture and the constructing database, data layering and coding, the security and backup of database have been detail...