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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”. …
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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 …
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This is a follow-up to “Into the Weather – Part 1 – Exploring weewx” . Sorry, still almost no geospatial content for now. To recap: I am trying to setup an infrastructure where measurements from a Davis Vantage Pro2 Weather Station are collected and exposed to web services, most notably OGC Services like WMS-Time and …
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Tagging this post as “Part 1” is ambitious. Beware: there is hardly any “geo” for now. In the coming time I hope to share some technical experiences with weather stations, weather software and ultimately exposing weather data via some open geospatial standards like OGC WMS(-Time) as in example image right , WFS and in …
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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 …
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This is a “sign-of-life-post” as my last blog was in 2013. After too many years, I created a new website for justobjects.nl which also integrates my barren blog. These days, making a website is a breeze thanks to WordPress (WP) and responsive design themes. WP provides an ideal dynamic platform (just update regularly …
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Update 30 nov 2013: code is now as a GIST on GitHub , also with function to move single table. Update 19 feb 2014: not yet tested with PostGIS v2.0 and up, so beware (or let me know if that works)! Update 4 june 2015: _tested with PostgreSQL 9.3.4 and PostGIS v2.1: all ok!! _ Using PostgreSQL Schema’s when using …
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