Through analyzing theprinciple of data sharing in the data-base system, this paper discusses theprinciple and method for integratingand sharing GIS data by data engine,introduces a way to achieve the highintegration a...Through analyzing theprinciple of data sharing in the data-base system, this paper discusses theprinciple and method for integratingand sharing GIS data by data engine,introduces a way to achieve the highintegration and sharing of GIS data on the basis of VCT in VC++, and pro-vides the method for uniting VCT intoRDBMS in order to implement a spa-tial database with object-oriented datamodel.展开更多
文摘Through analyzing theprinciple of data sharing in the data-base system, this paper discusses theprinciple and method for integratingand sharing GIS data by data engine,introduces a way to achieve the highintegration and sharing of GIS data on the basis of VCT in VC++, and pro-vides the method for uniting VCT intoRDBMS in order to implement a spa-tial database with object-oriented datamodel.
