Application level development in the GIS field, the support of the bottom platform, foreign countries with well-known commercial platform providers such as Esri, Intergraph, MapInfo, and have hundreds of open source GIS project groups. Since GIS is a visual information management technology, it has a close relationship with graphics, and the open source GIS project is written in C, C , Java language, which is also developed by Java.
DeeGree is a German open source GIS project, project address http://deegree.sourceforge.net, which follows OGC-developed international specifications, server-side compatible WMS, WFS, WCS standards. The platform can read and write the GML file, the ESRI's SHP file, the MAPINFO MIF file. The space database supports Oracle, MySQL, PostgreSQL / Postgis, which can be used to develop a GIS / WebGIS system for C / S and B / S structures.
OpenMap is open source GIS project funded by the US BBN, project address http://openmap.bbn.com, which uses JavaBean component software structure development, which is very simple to build a C / S software with JavaBean. The server is compatible with the WMS standard. The platform can read and write ESRI's SHP, E00 files, MAPINFO's MIF file (only support only), and the space database supports mysql.
Other platforms can be viewed http://www.freegis.org
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