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THE SUN-EARTH SPACE INFORMATION SYSTEM
Spatial Information Sciences Extra-terrestrial Application Visualization Model Virtual Reality
2015/6/1
Nowadays the object of Space Information System (SIS) is limited to the earth surface, and the large-scale sun-earth space does not been considered. In this paper, the research object of SIS is been e...
Based on asynchronous communication protocol of geographic space information service access mechanism research
Geographic spatial information services Asynchronous transmission mechanism Location service
2014/7/23
At present, the traditional way of accessing to classified network in geographic spatial information services is using network gatekeeper and firewall etc. to ensure public and classified network comm...