DESIGN AND IMPLEMENT OF CHINESE DIGITAL CHARTS ISSUE AND MANAGEMENT SYSTEM
L.X. Guo, R.C. Peng, H.R. Chen, J. Jin
Department of Hydrography and Cartography, Dalian Naval Academy, Dalian, China
In order to solve the problems of data and users management in the China navigation guarantee department, a new model that issues charts with data encapsulation has been put forward to replace the current data-copy model after the researches on the existing techniques of digital charts issue and management at home and abroad. Based on the encryption technique linked the license of hardware & software, the new system of charts’ issue and management with visualization and integration has been designed and implemented. All the applications indicate: the system has reduced the management flow, improved the issue work efficiency and the currency of digital chart products that users needed, it also built a technical foundation of the network-issue for the Chinese digital chart products.