Tag: QGIS

15 October 2018

French Ministry in charge of the ecological transition selected Oslandia

The French ministry of the ecological transition  selected Oslandia for two of the three packages of its call for tender procedure dedicated to geomatic tools.  We are very proud to dedicate our team to one of the strongest support of geomatics and Open Source in France for the next 2 to 4 years. First package
1 June 2018

“QGZ” – A new default project file format for QGIS

Last year we had the opportunity to implement ‘.QGZ’ as  anew variant of  the QGIS 3 project file format. This is simply a zipped container for the QGS xml file. We took benefit of that container to store the auxiliary storage database into it – only if users choose that optional format though. In classical
3 May 2018

Docker images for QGIS

With support from Orange we’ve created Docker images for QGIS. All the material for building and running these images is open-source and freely available on GitHub: https://github.com/Oslandia/docker-qgis. The docker-qgis repository includes two Docker images: qgis-build and qgis-exec. The qgis-build image includes all the libraries and tools necessary for building QGIS from source. Building QGIS requires installing
26 February 2018

QGIS 3.0 has been released

We are very pleased to convey the announcement of the  QGIS 3.0 major release called “Girona”. The whole QGIS community has been working hard on so many changes for the last two years. This version is a major step in the evolution of QGIS. There are a lot of features, and many changes to the
20 December 2017

QGIS 3 compiling on Windows

As the Oslandia team work exclusively on GNU/Linux, the exercise of compiling QGIS 3 on Windows 8 is not an everyday’s task :). So we decided to share our experience, we bet that will help some of you. Cygwin The first step is to download Cygwin and to install it in the directory C:\cygwin (instead
17 October 2017

Auxiliary Storage support in QGIS 3

For those who know how powerful QGIS can be using data defined widgets and expressions almost anywhere in styling and labeling settings, it remains today quite complex to store custom data. For instance, moving a simple label using the label toolbar is not straightforward, that wonderful toolbar remains desperately greyed-out for manual labeling tweaks …unless you do
10 October 2017

Undo Redo stack is back QGIS Transaction groups

Let’s keep on looking at what we did in QGIS.org grant application of early 2017 spring. At Oslandia, we use a lot the transaction groups option of QGIS. It was an experimental feature in QGIS 2.X allowing to open only one common Postgres transaction for all layers sharing the same connection string. When activated, that option will bring
7 October 2017

Refresh your maps FROM postgreSQL !

Continuing our love story with PostgreSQL and QGIS, we asked QGIS.org a grant application during early 2017 spring. The idea was to take benefit of very advanced PostgreSQL features, that probably never were used in a Desktop GIS client before. Today, let’s see what we can do with the PostgreSQL NOTIFY feature! Ever dreamt of being able to
4 October 2017

Oslandia is baking some awesome QGIS 3 new features

QGIS 3.0 is now getting closer and closer, it’s the right moment to write about some major refactor and new features we have been baking at Oslandia. A quick word about the release calendar, you probably felt like QGIS 3 freeze was expected for the end of August, didn’t you? In fact, we have so many
14 August 2017

OSM data quality assessment: producing map to illustrate data quality

At Oslandia, we like working with Open Source tool projects and handling Open (geospatial) Data. In this article series, we will play with the OpenStreetMap (OSM) map and subsequent data. Here comes the eighth article of this series, dedicated to the OSM data quality evaluation, through production of new maps. 1 Description of OSM element