It is again this time in your Ubuntu user’s life where you plan to upgrade your server installation from Ubuntu 20.04 to Ubuntu 22.04 LTS. Indeed, the first point release 22.04.1 is now there, and you’d like somebody else to try it for you before loosing all your work. Let me do it for you ! We will also use ...

You plan to upgrade your server installation from Ubuntu 18.04 to Ubuntu 20.04 LTS? It is also the best time to migrate to R 4.0 ! By the way, if you always found difficult to install R packages for geographical data on Ubuntu, this time is over. Just follow the guide… Last time you read this kind of tutorial on ...

PostGIS extends capabilities of PostgreSQL database to deal with spatial data. Using PostGIS, your database supports geographic queries to be run directly in SQL. In this blog post, we will connect and interact with a PostGIS database from R, using {DBI} and {sf}. Package {sf} and PostGIS are friends Package {sf} is similar to PostGIS database in multiple ways: R ...

Can mapping tools be diverted to other uses? Of course ! See how we play with leaflet and leafgl to quickly render a giant waffle made of millions of polygons. Spatial tools are not only for spatial data At SatRday in Paris, I presented a talk entitled “Everything but maps with spatial tools”. The aim is to show that there ...

Do you plan to upgrade your server installation from Ubuntu 16.04 to Ubuntu 18.04 LTS ? It is also the best time to migrate to R 3.5 ! By the way, if you always found difficult to install R packages for geographical data on Ubuntu, this time is over. Just follow the guide… Note that this tutorial also works for ...