Cloud Native Data formats. A quick cheat-sheet in case you weren't sure... #gischat

Mapsui 5.0.0-beta.8 has a ruler widget to measure distance. The source is relatively simple. It is easy to make your own variant github.com/Mapsui/Mapsu...

Exploring Boost.Geometry: A Library Based on Concepts, Traits and Tag Dispatching www.youtube.com/watch?v=UcxD...

Geocomputation with Python: a (open source) book on reproducible geographic data analysis with open source software. py.geocompx.org

I finally found the time to write up my experience using AI-coding tools to create the QGIS plugin I made a couple months ago to make it easy to download Overture Maps Foundation, Source Cooperative and other GeoParquet data. Read it at: cholmes.medium.com/coding-qgis-...

New blog: Speeding up large PostGIS tables in QGIS - using 'estimated table metadata' bertt.wordpress.com/2025/01/22/s...

Have you met Mr. DEM? 56GB of Canadian elevation data in a single COG. open.canada.ca/data/en/data...

After 2.5+ years, Terra Draw v1 is finally released 😌 ✏️ Draw on web maps with the 10 built in modes (Point, Line, Polygon, Rectangle etc!) 🗺️ Supports Leaflet, @maplibre.org, @openlayers.org, Google Maps, Mapbox Check it out: github.com/JamesLMilner... #geojson #maplibre #leafletjs #openlayers

New blog: Creating interactive 3D hiking map bertt.wordpress.com/2025/01/10/c... Live demo: github.com/bertt/ordesa...

Here's an animated 'viewshed' of the #PacificCrestTrail. This shows all visible/invisible terrain along the entire trail. You'll find one for the #JohnMuirTrail as well. www.youtube.com/watch?v=tmY2...

Barcelonnette buildings generated from massive airborne laser altimetry point clouds bertt.github.io/roofer_demo/...

How to deal with map projections in the geoviz JavaScript library observablehq.com/@neocartocnr...

Proud to see my work exhibited at the Musée de l'Homme in Paris. www.museedelhomme.fr/fr/expositio...

#gischat Been wanting to try a serverless webmap of w/ NYC land cover data (6" res data!) as a COG. Finally put the pieces together! tnc-ny-science.github.io/nys_cities_s... Couldn't quite make it work til I tried adapting @berttemme.bsky.social's example here github.com/bertt/cog/tr... (thanks!)

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