Category: Others

20 June 2018

GML application schema toolbox for QGIS released in version 1.2

We have been involved in the development of a plugin for QGIS that should help lighten the overall effort needed to use INSPIRE data streams using Free and Open Source Software for GIS. The GML data format has the ability to encode what is called “Complex Features“, defined by the OGC standard. It consists in
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
23 May 2018

Pointcloud talk at the FOSS4G-fr conference

The Oslandia team was massively present at the great FOSS4G-fr conference that was held last week near Paris. One of the talks we gave was about Pointcloud, the PostgreSQL extension for storing point cloud data (a.k.a. LiDAR data), and LOPoCS, a lightweight server for streaming point clouds from PostgreSQL. If you want to know more about
5 January 2018

Itowns v2.2 released!

  We have the pleasure of announcing the release of iTowns v2.2! Itowns is a Three.js-based framework written in Javascript/WebGL for visualizing 3D geospatial data right into the browser, developed and maintained by Oslandia, IGN and AtolCD. In this release, you will find a lot of bug fixes and performance improvements. Notably, the npm package
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
10 October 2017

Undo Redo stack is back QGIS Transaction groups

Let’s keep on looking at what we did in 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 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
18 September 2017

iTowns 2 : 3D Geospatial information on the web !

Oslandia, French IGN, LIRIS CNRS Research Laboratory and Atol CD announce the release of iTowns 2, the new version of the OpenSource 3D geospatial data visualization framework for the web. Rewritten from scratch, this new major version allows users to benefit from a solid technological basis, and new 3D visualization features. Its capabilities for software
15 September 2017

Pointclouds in PostgreSQL with Foreign Data Wrappers

IGN and Oslandia have been collaborating on a research project named LI3DS. LI3DS stands for “Large Input 3D System”. The project involves acquiring data on the field, such as images and point clouds, and providing tools for storing, processing and analyzing the data. Everything developed as part of the project is opensource, and available on