摘要
文章介绍了使用渐进传输的原因,并具体分析了渐进传输过程、采用渐进传输对网络的影响、空间矢量数据渐进传输的数据结构及客户端与服务器数据交互过程。
This thesis analyzes the importance and process of progressive transmission, the effects of progressive transmission to network, the structure of spatial vector data and spatial data interaction between client and server.
关键词
空间矢量数据
渐进传输
空间信息可视化
spatial vector data
progressive transmission
spatial information visualization