Application development technology and methods of Open-source WebGIS software

This article discussed the principles and functions of Open-source software,and used the software to build WebGIS architecture.After detailed analysis and comparison in functions including supporting of norms and standards,software compatibility and developing prospect,it selected OpenLayers as client side,GeoServer as server-side and PostGIS as database.It took a city as an example to realize the WebGIS network application on J2EE(Java 2 Platform,Enterprise Edition) construction.It was confirmed that the research result was authentic and feasible.