![]() Open each package in the disk image in order, starting with “1 Install Python 3.rtf.” This is because Mac users will still need to install two other free software packages before installing QGIS.Download the dmg file and open it to see the disk image. Under “Latest Release” you will see a link to Download “QGIS macOS Installer Version 3.x”. This brings you to the KyngChaos QGIS download page (see image below). Follow the link to the Mac Installer Package. ![]() Click on the appropriate Operating System. The procedure is a little different depending on your operating system. For those who are learning Python with the Programming Historian, you will be glad to know that both QGIS and ArcGIS use Python as their main scripting language. In many cases it is not lack of functions, but stability issues that bring us back to ArcGIS. The authors tend to use both and are happy to run QGIS on Mac and Linux computers for basic tasks, but still return to ArcGIS for more advanced work. Moreover, any work you do in QGIS can be exported to ArcGIS at a later date if you decide to upgrade. QGIS is ideal for those without access to a free copy of Arc and it is also a good option for learning basic GIS skills and deciding if you want to install a copy of ArcGIS on your machine. However, many universities have site licenses, meaning students and employees have access to free copies of the software (try contacting your map librarian, computer services, or the geography department). QGIS is multiplatform, which means it runs on Windows, Macs, Linux, and Android, and it has many of the functions most commonly used by historians.ĪrcGIS is expensive for individual users, and it only runs on Windows (though software can be purchased to allow it to run on Mac). Quantum or QGIS is an open source alternative to the industry leader, ArcGIS from ESRI. In this lesson you will install QGIS software, download geospatial files like shapefiles and GeoTIFFs, and create a map out of a number of vector and raster layers. This lesson was peer reviewed and published by the Programming Historian 2.
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