GIS

Legend for continuous raster in QGIS composer

This blogpost shows in a few steps how to add a continuous colour legend for a raster layer in a map layout in QGIS. It is a work around, but it works.

Creating a map with inset using tmap

Plotting maps with tmap Get the libraries Main map Inset map Create the final map All the code Plotting maps with tmap Figure 1: A map of the distances to the nearest Natura2000 areas in a region in the central Oder basin.

De Grote Geo Show

The Grote Geoshow is a Dutch show on Twitch (live) and YouTube by the OSGeo.nl foundation and friends. It airs every Thursday afternoon and is all about open geo topics.

New GRASS GIS website

GRASS GIS is a fantastic software package, not only one of the oldest GIS packages still around, but also one that is continuously updating and improving thanks to a vibrant community.

Open source tools

Programs like R and GRASS GIS are incredible powerfull. But occasionally you'll need a functionality that is not available yet. Luckily, depending on the kind of functionality, it isn't terribly difficult to create your own scripts. In the past years I have created a few scripts that I hope are useful to others as well.

Data analysis and exploration

Agricultural research, development projects, conservation prioritization; it all has a spatial component. In geographic information system (GIS) analysis, a crucial step is to link knowledge to location.

OSGeo.nl

Website of the OSGeo.nl foundation.