Vector data compress methods in WebGIS

Abstract：In recent years, both of GIS and Internet have been greatly developed.As a product of their integration, WebGIS has been even more developed. But the delivery of mass data is an exact problem which should be resolved by WebGIS. Therefore, this paper presents some vector data compress methods for solving the problems of transferring data rate in Internet. A comparitive analysis and its conclusion are stated.

Keyword：WebGIS;vector data;data compress;