The Research And Implementation Of Spatial DataBase Technology Based On ArcSDE

As the most fundamental element of geographic information system, data can be classified into two types. One is related with spatial attitude which is called spatial data while the other is the property information about the spatial element. In the old application system, the former one is stored in document with specified format while the latter one stays at RDBMS. That is the typical solution for the stand-alone system which causes a lot of issues in distributed system.This paper will take Shenzhen urban transportation simulation system as an example and gives analyses of the significance, realizing possibility and the study status about management and storage of spatial data firstly. The research content, system designing and the essential technique to solve are confirmed then. The middleware ArcSDE, as a key for solution, will be introduced in details.By analyzing the mechanism of ArcSDE, the article will tell the details about how ArcSDE can access and manage the spatial data. A development technology based on such solution is also provided. The current research result and the further step to improve the system function are concluded, and the next research and work are also expected in the paper finally.