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From 2003 to 2010, in the due process of carrying out the Project of “The Remote Sensing Survey and Monitoring on National Entironmental and Geological Backgrounds”, the National Entironmental and Geological Information System for Remote Sensing Survey and Monitoring (Known as “NEGISRSSM”) was established to meet the demand of result data management and application. The System consists of 11 functional...
Because of the continue progress of spatial data acquisition technology and the rich data collection methods, spatial data growth as explosive speed, so the research on spatial data storage models has become a breakthrough. In this paper the concept model of spatial data storage is abstracted into geometry layer, attribute semantic relationship layer and core layer, the former supplies the representation...
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