Study of Spatial Data Sharing Based on GML
In the process of constructing WebGIS based earthquakedisastermitigation,theGeographyMarkup Language (GML) is used to represent spatial data. And the spatial database system is designed to realize the sharing of distributed heterogeneous data, which is composed of three-tier architecture, client, server and database server. The client realizes graphics user interface and represents spatial data. The server includes Web server and GIS application server. The former is used to commuuicate with client, and the latter is used to access database server. The conversion and output of GML document are also in charge of by GIS application server. The local data and the distributed heterogeneous database lie in database server. The Web server and GIS application server are developed using Java Servlet. And the client is developed using Java Applet. Moreover, Scalable Vector Graphics (SVG) is used to visualize the GML data.
Spatial data sharing GML SVG
XU Yong ZHONG Luo PAN Yuanyuan CAO Hao
Information Network Center Hubei Administrate Institute Wuhan, Hubei Province, China School of Computer Science and Technology Wuhan University of Technology Wuhan, Hubei Province, Chin
国际会议
厦门
英文
345-348
2006-07-27（万方平台首次上网日期，不代表论文的发表时间）