Just Objects – Open Geospatial Services

December 2011 - OSGeo Dutch Chapter established

Map5.nl

Web map services for these beautiful Dutch topographic maps from now (OpenTopo) and then (Bonne/TMK). See https://map5.nl...

GeoSailing

Building GPS tracking apps already back in 2005. This resulted in several advanced and exciting/fun projects like tracking the Schuttevaer Sailing Race in 2008 in collaboration with GeoSports.

Sensor Web and Internet of Things

Working since 2014 on Sensor Web projects with Geonovum, Kadaster, RIVM and 52North. This is about unlocking Dutch Air Quality data using the OGC Sensor Web and its standards like WMS-Time, WFS, SOS and SensorThings API. More: http://data.smartemission.nl

December 2011 - OSGeo Dutch Chapter established

At the GIN-conference in Utrecht we decided that now was the time to establish a Dutch Language Local OSGeo Chapter. This was the beginning of the OSGeo.nl Foundation legally established in 2013 that I now (2018) chair. See https://osgeo.nl

OpenTopo maps by Jan Willem van Aalst

Proud to contribute to these maps made with OpenStreetMap and Dutch Open Data like Top10NL and BAG. Data transformation with NLExtract and Stetl and helped organizing OpenTopo workshops with OSGeo.nl. Maps available via map5.nl.

Geospatial IT with Free & Open Source

Just Objects B.V. is the trading name for the professional activities of Just van den Broecke. You can find Just's CV here. Services include: consultancy, training, development, hosting and maintenance, all in the domain of Open Geospatial Information Technology. Just Objects is a member of the Dutch OpenGeoGroep. Just is an OSGeo Charter member and chair of the OSGeo.nl Foundation, the Dutch Language Chapter of OSGeo.org.

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OSGeo.nl @osgeonl·

August 29, 2019

So 58 participants from The Netherlands, on day-after (Icebreaker Party), so 30 on group picture, 28 still drying- up. #foss4g2019 #foss4g #geonl #osgeo #osgeonl

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IoT Sensemakers AMS @SensemakersA·

August 23, 2019

On Sept. 18th @justb4 will share his experience with developing open sensor network with #TTN #Lora and #SensorThings, join us here:
https://t.co/elhNlhJwjg
Cc @geonovum @thethingsntwrk

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Latest Blog Posts

Second Time Around – WFS v3 and pygeoapi

TLDR; tired of the OGC WFS/GML/INSPIRE complexity mess new spirit from WFS v3 standard and OGC REST API movement title of this blog refers (YouTube): Shalamar, The Second Time Around. pygeoapi implements OGC REST APIs in Python I joined pygeoapi pygeoapi can unlock/proxy existing WFS v1,v2 and any OGR Source!…

Emit #6 – AirSensEUR Calibration

This is Emit #6, in a series of blog-posts around the Smart Emission Platform, an Open Source software component framework that facilitates the acquisition, processing and (OGC web-API) unlocking of spatiotemporal sensor-data, mainly for Air Quality and other environmental sensor-data like noise.

Cheers to 2018

Never too late to look back. Inspired by the concise bullet-point-style of Tom Kralidis’ Cheers to 2018, my personal highlights of living and working in the Open Source Geospatial and OSGeo(.nl|org)-world in 2018. I’ll post 2019 reso’s later. Not just personal projects, but also events from the OSGeo.nl Local Chapter…

Emit #5 – Assembling and Deploying 5 AirSensEURs – a Story in Pictures

This is Emit #5, in a series of blog-posts around the Smart Emission Platform, an Open Source software component framework that facilitates the acquisition, processing and (OGC web-API) unlocking of spatiotemporal sensor-data, mainly for Air Quality and other environmental sensor-data like noise. Summer holidays and a heat-wave strikes The Netherlands. Time…

Emit #4 – Push or Pull?

This is Emit #4, in a series of blog-posts around the Smart Emission Platform, an Open Source software component framework that facilitates the acquisition, processing and (OGC web-API) unlocking of spatiotemporal sensor-data, mainly for Air Quality and other environmental sensor-data like noise. A lot of things have happened with the project…

Emit #3 – Things are Moving

This is Emit #3, in a series of blog-posts around the Smart Emission Platform, an Open Source software component framework that facilitates the acquisition, processing and (OGC web-API) unlocking of spatiotemporal sensor-data, mainly for Air Quality. In Emit #1, the big picture of the platform was sketched. Subsequent Emits will detail…