Martin Davis

pg_svg. Postgres/PostGIS functions for generating SVG documents.

jts. The JTS Topology Suite is a Java library for creating and manipulating vector geometry.

postgis-patterns. A reference for PostGIS problems, patterns, and solutions

jeql. A SQL-esque scripting language for spatial processing and ETL

sled. A visual, syntax-driven browser-based SLD editor and generator

forse. Fast Overlay with Streaming Robust Evaluation

ufo-dashboard. A UFO Risk Dashboard built with PostGIS and H3

presentations. Presentations and demos

maptest. A browser app to view and monitor web map services

jts-ports. Ports of external algorithms to run with JTS

jts-ng. Prototype for an improved JTS API

jts-doc. Documentation for the JTS Topology Suite

crunchyblog. Crunchy Data blog posts

genart. Generative Art