QGIS_logo

 

QGIS (formerly referred to as Quantum GIS) is a GIS software tool that has the following features:

  • Open source (GNU GPL)
  • User friendly (modern Qt interface)
  • Multiplatform: Windows, Linux, Mac OS X, Android (beta)
  • It supports many languages
  • A big user community
QGIS_printscreen
Visualization of geospatial data in QGIS

What does QGIS offer?

  • Creation and processing of spatial data
  • Support of standard data formats and services (ESRI Shapefile, CSV / TSV, GeoTIFF, WMS, WFS, KML, JPEG 2000, ASCII, ...)
  • 2D, 2.5D and 3D visualization of spatial data
  • It contains powerful statistical tools and analytical functions
  • Building process models and their export (Processing Modeler)
  • Production of thematic cartography
  • It supports many extensions and external tools (GRASS GIS, SAGA, OTB, LAStools, ...)
  • It supports various (spatial) databases (PostgreSQL / PostGIS, SpatiaLite, MySQL, Oracle Spatial, ...)
  • It offers more than 760 plug-ins
  • It allows you to create plug-ins and scripts (Python / PyQGIS, R, ...)

How to install it?

  • Download the installation program on the QGIS website
  • Follow the installation guide

A practical example of use cases is offered in the following chapters.

Lab
Usus magister optimus est ( practice makes perfect)