Simon Willison’s Weblog

Fast GeoSpatial Analysis in Python. Some clever advanced performance tricks with Cython and Dask, but it also introduced me to GeoPandas.

Posted 29th October 2017 at 4:47 pm

Recent articles

Hacking the WiFi-enabled color screen GitHub Universe conference badge - 28th October 2025
Video: Building a tool to copy-paste share terminal sessions using Claude Code for web - 23rd October 2025
Dane Stuckey (OpenAI CISO) on prompt injection risks for ChatGPT Atlas - 22nd October 2025

gis 57 python 1199

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe