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Quantum GIS (2006) is an opensource GIS written in C++ available under the conditions of the GPL license. It is based on the C++ crossplattform library Qt from Trolltech (2006). Therefore, it runs on most existing operating systems, including Linux, Unix, Mac OS X and Windows. The name 'Quantum GIS' has no special meaning, except that it starts with a Q, indicating that it uses the Qt library.
The main focus of QGIS is interactive two dimensional viewing of spatial data. However, there is also functionality for editing vector data and a GRASS plugin to use the analytical functionality of the GRASS program (2006) from within the QGIS GUI. QGIS supports a large number of vector and raster formats, including PostGIS, GRASS, Shapefile, GML, WFS, GPX, WMS, GeoTiff, PNG, JPG and many others. QGIS supports reprojecting on-the-fly for vector data sets by using the PROJ4 library.
QGIS provides a plugin mechanism which can be...
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References
GRASS (2006) Homepage of the GRASS project. http://www.grass.itc.it/. Accessed 21 Dec 2006
QGIS (2006) Homepage of the QGIS project. http://qgis.org. Accessed 21 Dec 2006
QGIS WMS (2006) QGIS WMS server homepage. http://karlinapp.ethz.ch/qgis_wms/qgis_wms.html. Accessed 21 Dec 2006
Trolltech (2006) Qt documentation. http://doc.trolltech.com/. Accessed 21 Dec 2006
Recommended Reading
Sherman et al (2006) QGIS user guide. http://qgis.org/releases/userguide.pdf. Accessed 21 Dec 2006
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Hugentobler, M. (2017). Quantum GIS. In: Shekhar, S., Xiong, H., Zhou, X. (eds) Encyclopedia of GIS. Springer, Cham. https://doi.org/10.1007/978-3-319-17885-1_1064
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DOI: https://doi.org/10.1007/978-3-319-17885-1_1064
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