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OSM user classification: let’s use machine learning!
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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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Detecting objects starting from street-scene images
Exploiting artificial intelligence within the geospatial data context tends to be easier and easier thanks to emerging deep learning techniques. Neural networks take indeed various kinds of designs,...
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Cluster bike sharing stations around french cities
Oslandia team is involved in a constant effort in geospatial data gathering and analysis. By taking advantage of the recent trend in public open data releasing, and after reading an inspiring work...
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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....
View ArticleOSM data classification: code release
After a set of blog posts published the last summer, we are glad to announce that the dedicated code (version 1.0) has been released on Github. Our OpenStreetMap history data pipeline will let you...
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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...
View ArticleBest wishes for 2018
Happy new year 2018 The whole team at Oslandia sends you its best wishes for this new year, full of serenity and freedom. 2017 has been an important year for our company, with a change in ownership and...
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Predict bike availability at bike sharing stations
In a previous article, we described the clustering of bike sharing stations in two french cities, i.e. Bordeaux and Lyon. We saw that geospatial clustering is interesting to understand city...
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Database migrations and Pum
At Oslandia we often need to deal with database migrations. So it’s an important topic to us. And it should be an important topic to anyone maintaining databases in production. First of all I want to...
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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...
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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:...
View ArticleDeeposlandia 0.4 has been released!
On a previous article published on this blog, we introduced our work dedicated to convolutional neural network. We are now happy to announce the 0.4 release of this R&D project! What’s new? Until...
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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...
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