Research on Planning Approval Data Interoperation Implementation between AutoCAD and ArcSDE

In planning approval field, AutoCAD data format is used widely, for it is convenient to map.However, for massive planning approval data, it is difficult to query the corresponding spatial and attribute characteristics by AutoCAD files. While ArcSDE can unifiedly manange spatial and attribute data, whose strong database management is inherited from relational database. To address planning approval field interoperation problem between AutoCAD and ArcSDE in planning approval data management system, we took redevelopment from AutoCAD to ArcSDE database based on C#.Net and Object SDK. The data could be operated by Down-Load and Up-Load module in the system. Down-Load module was developed to load planning data from ArcSDE to AutoCAD, Up-Load module was to store AutoCAD format data into ArcSDE.As a case study,the modules were integrated into the Planning Approval Data Management System for Yueyang city and the data interoperation was very fast and easy between AutoCAD and ArcSDE+SQL Server 2008. The results show that the implemented interoperation function is convenient for planning approval data management.