Study of WebGIS based on oracle spatial,SVG and GML

In order to solve the problem of inefficient data transmission in Web GIS now,this paper analyzes the merit about taking the Oracle Spatial as spatial database,GML as the format of data transfer and SVG as the technology of data display,and then introduces the interface and access method between JAVA and Oracle Spatial and the transforming technologies among XML documents.And then the paper constructs a model system of Web GIS that provides great capacity for spatial data and highly effective inquiry mechanism,improves the transmission efficiency in net.The conclusions have a certain significance for efficient operation in Web GIS.