Introducing QGIS

Matteo Mazzucato

Overview

• Type of GIS software

• GIS software main functionalities

• QGIS

• Documentation

Types of GIS software

COTS GIS:

Commercial off-the-shelf GIS software

FOSS GIS

Free and Open Source GIS

• Commercial off-the-shelf GIS software

• Distributed by a private company

• Access to the official support

• Different “level of the software” or set of functionalities

• Free and Open Source GIS

• Available for free

• Supported by the community

• The source code is available and shareable

• Functionalities are available

− In the core product

− (or) can be find for free in the community

− (or) can be developed by private company (may be under payment)

Types of GIS software

• Commercial off-the-shelf GIS software

• ESRI – ARCGIS https://www.arcgis.com/

• INTERGRAPH – GEOMEDIA

• AUTODESK – MAPGUIDE

COTS GIS

• Free and Open Source GIS

• GRASS GIS https://grass.osgeo.org/

• GVSIG http://www.gvsig.com

• QGIS (OR QUANTUM GIS) http://www.qgis.org

FOSS GIS

OSGEO

Open Source Geospatial Foundation

www.osgeo.org

Informations Tutorials References

GIS software aim

Information identify

location

Information that describe

spatial location

Display data in graphical way

using symbols

The main GIS functionalities

• Capture/edit spatial data

• Manage the spatial data and no-spatial data

• Query and analyse data

• Geoprocessing

• Map presentation

Geoprocessing

• Overlay

• Intersection

• Distances

• Proximity (Buffer)

=

Map presentation

• Maps

• Graphs

• Tables and reports

• All of them

• One of the most used GIS software in the world

• Free

• Intuitive mapping interface and quite simple to use

• Strong community

• Plug-ins

https://www.qgis.org/it/site/

Conventions and terms

GUI Conventions

Documentation

Tutorial, Guides and terminology are available on the web

https://www.qgis.org/it/docs/index.html

Practical Exercise (1.6)

• Access to the QGIS website (https://www.qgis.org/it/site/)

• Download the last version of the software (#2.18)

• Install QGIS on your pc/laptop

• Open the documentation on the website