January 12, 2026
Real-world cartography in pure Ruby
RubyStackNews — January 2026
From geometry to cities
Until recently, libgd-gis could render raw GeoJSON.
Now it renders cities.
Over the last development cycle, libgd-gis evolved from a low-level geometry renderer into a style-aware, layered GIS engine capable of producing publication-quality maps — directly from Ruby.
With the addition of:
- A style engine
- Layered GeoJSON
- The map.image drawing API
- A labeling system
👉 Read the full article
https://rubystacknews.com/2026/01/12/libgd-gis-continues-to-grow-now-with-styles-and-more/