Research Of Multi-data Source Of Open Spatial Database Engine

Due to the distinction of defferent types of hard platform, OSs, Networks, 615 development platforms and database , GISs become separated "information island" and are unable to share the resources of geographical information with each other Therefore, interoperability solution is the commonsense in this area This paper researchs the core of Spatial Database-Open Multi-data source Spatial Database Engines designs interoperable spatial data interface and open basal data interface to carry out connection to Mutil-data source and to improve data sharing and to endeavor to search a way for data and function opening in GIS system...