Introduction à QGIS

[Notes_IRSTEA]vol. 1, chap. 1 [Departement_IRSTEA]Territoires [TR1_IRSTEA]SYNERGIE [Axe_IRSTEA]TETIS-FORMATION [ADD1_IRSTEA]Dynamiques spatiales d'anthropisationInternational audienceQuantum geographic information system (QGIS) is a free, open-source, cross-platform and scalable geographic information system (GIS) tool with plugin development in Python and C++ languages. Technically, QGIS integrates the geospatial data abstraction library (GDAL), which allows it to read and process a large number of geographic images. Distributed under the GNU/general public license (GPL) version 2, QGIS allows free access to a powerful, inexpensive GIS program that can be used on most platforms: GNU/Linux, Unix, Mac OS X and Windows. During the various updates of the QGIS version, the processing module was constantly improved by bug fixes and the addition of new functions. The processing module is proposed by default with the QGIS software and does not require the installation of an extension in order to be used. To use it, the QGIS graphical user interface (GUI) offers a "Processing" menu