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I'm supposed to create a GIS application for my MSc, and I was wondering what are the best free and (preferably) open source technologies for development? What programming language to use for the development of such an application?
Known choices are: Database: PostgreSQL (PostGIS) (suggest other)
Programming Language: PHP, Python, Java, ... (suggest other)
Frameworks: GeoDjango (if Python or Jython is used), (suggest other)
Client UI: JavaScript (OpenLayers), Flex, (suggest other)
Servers: Mapserver, Geoserver, Mapfish, (suggest other)
Other Considerations: Hibernate Spatial, support for mobile GIS, (suggest other)
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What Is A GIS App? GIS stands for Geographic Information System - technology for collecting, editing, transforming, analyzing and displaying spatial data - and GIS apps refer to software built around this core technology.
manipulating, analyzing, and reporting data. hardware, software, geographic data, procedures, and personnel designed to handle all phases of geographic data capture, storage, analysis, query, display, and output.
afaik: the best choice for a web applications is to prepare your data with gvSIG (http://www.gvsig.org), host your data into postgresql/postgis (http://www.postgresql.org, http://postgis.refractions.net), publish a WMS/WFS service(s) with MapServer (http://mapserver.org/) and then show your data using openlayers (http://openlayers.org). This solutions works perfectly for my experiences. A nice approach is to use MapFish (http://trac.mapfish.org/trac/mapfish/wiki) a webgis framework that internally uses extjs and openlayers but simplify development.
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