GIS coaching for territorial management.
When working with geographic data in QGIS, several file formats can be used to store vector layers. Two formats are particularly common: Shapefile and GeoPackage. Shapefile is a historical format that has been widely used since…
Read More
When working with geographic data in QGIS or in web mapping applications, two coordinate systems appear very frequently: EPSG:4326 and EPSG:3857. These two systems are used in many contexts, but they do not represent coordinates in…
Read More
Projections and coordinate reference systems (CRS) are essential concepts when working with geographic data in QGIS. Incorrect handling of projections can cause significant misalignment between layers. When working with geographic data in QGIS, projections and coordinate…
Read More
In QGIS, it is common to associate data from an external table with a geographic layer. For example, you may have a layer of municipalities and a CSV file containing demographic statistics. To combine this information,…
Read More
To import a CSV in QGIS, use “Add Delimited Text Layer”, select the file, and define X/Y coordinates. Importing a CSV file into QGIS is a very common task when working with geographic data. Coordinates can…
Read More
QGIS is one of the most widely used open source GIS (Geographic Information System) software programs in the world. It allows users to view, analyze, and map geographic data using a wide range of tools. Many…
Read More