geGIS Open Source Geo Data Ecosystem
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geGIS is an open source platform that allows you to manage your Geo Data using a standard browser.
How does geGIS work?
The geGIS architecture is obviously perfectly in keeping with the vision reflected in the geGIS concept, which may be summed up as follows:
- Creating an ecosystem of servers for exchanging authentic source data over the Internet on an open and standard basis
- Using this ecosystem as a medium for a new generation of geowindows based on high-performance Web 2.0 technology
geGIS first and foremost involves the management and exchange of authentic source data between equal servers. geGIS operates on the basis of the fact that myriad organisations are now compelled to entrust the actual administration of their data with so-called GIS "specialists". Our basic philosophy is that every IT organisation should be able to manage and exchange its own geodata. This calls for an architecture that differs drastically from Google Maps, for example, for which solely one central data manager is available. The exchange of geodata on equal terms is possible solely via a process of standardisation, thanks to the open GIS standards of the Open Geospatial Consortium. As well as putting these standards into practice geGIS forges further ahead: the layers developed may be deployed straightaway in a public geowindow.
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The geGIS platform has been developed as a standard 3-tier J2EE application, where the presentation layer, the business layer and the data layer are fairly strictly separated from each other, conceived as separately maintainable modules. In the case of a Web application, the presentation layer primarily covers the web pages and JavaScript code. Featuring the system's central logic, the business layer comprises a Java code on the server which is addressed via a servlet. The data layer covers the persistent media (data base, shape files) and the access logic. We will now describe each of these layers in great detail.
Visit the geGIS Website.
<-- Free GIS Software & Resources
See Also:
Free ArcGIS Shapefiles, Free Maps, Google Earth & Maps, Free GPS, Satellite and Aerial, GIS Tutorials.
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