g Quantum GIS API Documentation: Quantum GIS

Quantum GIS



QGISQuantum GIS (QGIS) is a user friendly Open Source Geographic Information System (GIS) that runs on Linux, Unix, Mac OSX, and Windows. QGIS supports vector, raster, and database formats. QGIS is licensed under the GNU General Public License. QGIS lets you browse and create map data on your computer. It supports many common spatial data formats (e.g. ESRI ShapeFile, geotiff). QGIS supports plugins to do things like display tracks from your GPS. QGIS is Open Source software and its free of cost (download here). We welcome contributions from our user community in the form of code contributions, bug fixes, bug reports, contributed documentation, advocacy and supporting other users on our mailing lists and forums. Financial contributions are also welcome.

API Stability

Versions of QGIS prior to 1.0 did not guarantee API stability since the application was undergoing rapid development of new features and we did not want to commit ourselves to a fixed API. With the release of QGIS 1.0 we guarantee a backwards compatible API for the 1.x and 1.0.x release series. 1.x releases will be our 'unstable' development builds and 1.0.x releases our 'stable' (bugfixes and very minor tweaks only).

Mailing Lists

Bug Reporting

If you think you have found a bug, please report it using our bug tracker. When reporting bugs, please include some contact information in case we need help with replicating your issue.

Mailing Lists

Some QGIS users and developers can also often be found in the #qgis IRC channel on irc.freenode.net.

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