While the functionality of the plugin itself is quite limited (it writes a layer's file path, extent, and coordinate reference system to a text file), following the steps in this guide will provide a starting point for development of more advanced Python plugins. In this tutorial we will work through the process of creating a simple Tool button with dialog plugin called Display Info. a dockable panel within the QGIS desktop environment) Processing provider A plugin accessed from the QGIS Processing Toolbox Tool button with dialog A plugin accessed from the plugin menu or tool bar that operates within a dialog box Tool button with dock widget A plugin accessed from the plugin menu or tool bar that operates within a dock widget (i.e. Three different types of plugins can be created in QGIS: Written in the Python or C++ languages, QGIS plugins can be kept in a private repository, or contributed to the public one. Users who wish to expand upon this already extensive default toolset can search through the official QGIS plugin repository (1508 plugins at the time of writing) to see if any published 3rd-party tools will meet their analysis needs. Additionally, GDAL, GRASS, and SAGA integration leverages the functionality of these powerful packages to make QGIS one of the most complete GIS environments available. It's core features include a suite of vector and raster tools that are compatible with many of the most popular geospatial file formats. QGIS is a free and open source geographic information system (GIS) that is developed and supported by thousands of users and organizations around the world. Python 3.9.5 (OSGeo4W Network Installer).QT Designer 5.15.2 (OSGeo4W Network Installer).QGIS 3.16.11-Hannover LTR (OSGeo4W Network Installer).Please see the page history for the changelog. Originally authored by Michael Wray in 2019, the current version of this tutorial includes revisions made by John Foster in September, 2021. This tutorial assumes a basic knowledge of GIS environments and Python syntax.
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