My blog has been quiet for some time. As many of us I’ve been busy doing projects, all involving Open Source Geo (OSGeo) software. Partly development, writing software, I love it, but also more and more in “what comes next”: deploying and maintaining “the application” with all of its dependencies. For this I have been …

Revealing: the title refers, for the younger readers, to a great 1979-hit by The Police as expanded below. To be played at the loudest possible volume. If you don’t see anything here below try the YouTube link directly: One of the main aspects that glues the OSGeo-world together are OGC-standards: WMS, WFS, WMTS, WCS …

On sunday August 25, 2015 I provided a talk/workshop for a local knowledge network of friends and acquaintances in Amsterdam. TLDR; see gps.justobjects.nl . Originally, I would talk about “Hiking with GPS”. But as I started pondering about this subject I decided to broaden the content to include also the evolution of …

In my last post, Into the Weather – Part 2 , I outlined a global architecture of a Davis Vantage Pro2 weather station connected to a Raspberry Pi (RPi) running weewx weather software to capture raw weather data. Here I will try to depict how to bring this weather data “from the fluffy clouds into the digital cloud”. …

Preparing for a talk on our OSGeo.nl Day at the Dutch GeoBuzz Conference, I am trying to put in some slides on Free and Open Source Software (FOSS) for geospatial: why “FOSS is good” and why I live by it. The usual arguments on licensing, (not) price, feature comparison, collaboration contrasted with proprietary source …

The essence of this post is to illustrate via some web-apps the great topographic mapping done by Jan-Willem van Aalst using Dutch free geo-data. The summary/TL;DR is: great maps produced from Dutch Open Data by Jan-Willem van Aalst unlocked by me via web tiling services and simple web apps like this one . The longer …