Getting Started with QGIS 3
QGIS is free and open source software. It is a Geographical Information System (GIS). QGIS enables users to create, manipulate, and visualize spatial data. Spatial data is data associated to a location or a place, commonly defined in terms of vector (points, lines, or polygons) or raster (bitmap) data. The QGIS project began in 2002 as a way of importing and viewing data from PostGIS (also open source software that adds geographic support to PostgreSQL) enabled database. QGIS is arguably now the leading open source GIS software package.
QGIS 3 was a significant update in the QGIS series. If you are familiar with the QGIS project, you can inspect the changes in the visual changelog available at this website: https://www.qgis.org/en/site/forusers/visualchangelogs.html ...
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