My last post offered a bit of a survey course on my experience at FOSS4GNA in St. Louis. I have a few aspects of the conference I want to unpack and it may take another post or two to accomplish that. For me, personally, the experience of helping to organize FOSS4GNA, then attending and reconnecting … Continue reading Reflecting on My FOSS4GNA
Tag: GIS
Walls and Bridges
In the 18+ months since I stepped back into the world of geospatial consulting and services, one of the most striking things I have noticed is the seemingly increased tribalism in the geospatial space. Maybe I shouldn’t be surprised, given the increased tribalism of society in general, but that’s a different post that won’t get … Continue reading Walls and Bridges
Just Enough Geospatial
As I mentioned earlier this year, I spend a lot of time working in Python these days. More and more, my work seems to be about performing geospatial tasks with the minimal amount of geospatial dependencies possible. My most recent work has been generating contours from a set of sampled elevation points. I’ve done this … Continue reading Just Enough Geospatial
Producing GeoJSON with SQL
A couple of weeks ago, I had a need to return GeoJSON from PostGIS. This is something I've done many times, but I usually do the final formatting in the application/API layer with Javascript or Python. Basically, my workflow has been to SELECT, using the built-in ST_AsGeoJSON function to convert the geometry to GeoJSON. I … Continue reading Producing GeoJSON with SQL
Simple Geocoding with ChatGPT
Early in my career, I dealt with a requirement to post-process a corpus of existing documents to "geocode" them. This meant identifying the locations referenced in each document, calculating a minimum bounding rectangle (MBR), and writing the MBR, the file path, and some associated ID into a database, so that documents could be surfaced via … Continue reading Simple Geocoding with ChatGPT




