A couple months ago I built Hazard Viewer, an app that uses federal data and @claudeai to generate a natural hazards risk assessment. It's my first AI app, it uses @postgis and @maplibre, it runs on @render, it was fun to make, check it out! https://t.co/d9nCvGeu55
We're starting to get into the topological functions in ARC/INFO using SQL in @postgis. Today's post is explaining the spatial SQL for Symmetrical Difference:
https://t.co/VQMaJCWB5l
with the holidays coming, I just added a new post in my series on Classic ARC/INFO commands in @PostGIS: this one is K-nearest neighbors. The next posts will include classic @esri topological overlay commands in SQL.
https://t.co/5Cgstz96fs
PostGIS Day 2025 is almost here! Next week, November 20 (that's the day after GIS Day), over 20 talks about our favourite spatial database. Sign up now, there's a finite number of webinar slots and an infinite about of interest! https://t.co/4h099qQvue