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12½ years ago, I made a map of all the buildings in the Netherlands. Unexpectedly, people loved it! Ever since, I have been wanting to make an updated version of the map. Newer data, higher resolution, more interactive! I never got around to it, until last week: bertspaan.nl/buildings
The new map uses a combination of raster tiles and vector tiles to make sure all buildings will always be visible. You can't do this with just vector tiles: a single vector tile would be 10s of megabytes on low zooms. Raster tiles when zoomed out and vector tiles when zoomed in solves this!
And now it's a game as well! Guess the city! bertspaan.nl/buildings/play
2mo
2mo
2mo
bertspaan.nl
You can still explore the first version of the map here: code.waag.org/buildings/. Then, there were 9,866,539 buildings in the Netherlands. Right now, there are 1,467,339 more: 11,333,878 in total. The new version of the map lets you see where new buildings have been built in the past 10 years.
All 11.333.878 buildings in the Netherlands
2mo
Thrilled to be at Fantastic Futures w/@bertspaan.nl to talk about working w/digitized map collections as research data! You can explore VERY large datasets of text from maps with our prototype #dataviz interface at text-on-maps-viz.allmaps.workers.dev Featuring Rumsey collection maps! #ff2025
Congratulations to Allmaps (led by @bertspaan.nl & Jules Schoonman) + @iiif.bsky.social on the announcement of this partnership. It's a fantastic step towards a sustainable, open, digital maps infrastructure and data ecosystem. Learn more at allmaps.org/iiif-partner... & iiif.io/news/2025/11...
@bertspaan.nl (Allmaps.org) & @kmcdono.bsky.social speaking on “Text on Maps: From Collection Discovery to Research Data” at #FF2025 bit.ly/44bmrJE / learn more about the @iiif.bsky.social / Allmaps partnership here: bit.ly/446uNlN
Bert Spaan
Bert Spaan
Bert Spaan
Bert Spaan
6mo
6mo
6mo
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text-on-maps-viz.allmaps.workers.dev
This is a really special map curator JOB working w/@en-dash.bsky.social at @bplmaps.bsky.social. Apply by March 30th. #glam #maps 🗃️ www.leventhalmap.org/about/jobs/c...
3mo
www.leventhalmap.org
Curator or Associate Curator of Maps & Geography - Leventhal Map & Education Center at the Boston Public Library
Martin R. Kalfatovic
Welcoming a spectacular crowd today for the first day of Fantastic Futures 2025: AI Everywhere, All at Once! #ai4lam #ff2025 Online registrations are open throughout the next two days so if you couldn't make it in person, register to access the livestream! https://www.conftool. [1/2]