Method for forming and applying high speed Wcb electronic map based on space data base and SVG
An electronic map and application method technology, applied in the field of database structure, can solve the problems of lack of completeness of vector graphics definition, unfavorable data reuse and exchange, and inability to upgrade the standard level, etc., to achieve competitive advantages, low product prices, and high stability. sexual effect
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[0024] As shown in Fig. 1, it is the overall structural diagram of the present invention, and it is made up of server and client i.e. front desk control module; Wherein, server comprises data permanent layer and application logic layer, and each part is specifically:
[0025] 1. The data permanent layer includes SXW files and spatial database (Oracle Spatial), among which:
[0026] 1. The SXW file is mainly used to record the expression of spatial information and the relationship between each layer;
[0027] 2. The spatial database (0racle Spatial) is mainly used to permanently store spatial data and perform some major spatial operations;
[0028] 2. The application logic layer includes data cache, SXW parser, data updater, SVG assembler, SVG element factory and distributor, among which:
[0029] 1. Data cache: The data cache is used to cache the data requested by the customer. When the same resource is accessed again, the system can quickly return the result;
[0030] 2. SX...
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