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The Ruby and Rails community linklog

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🗺️ Building static maps with Ruby — without JavaScript

by GimĂ©nez Silva Germán Alberto —

https://rubystacknews.com/2026/01/23/libgd-gis-a-practical-gis-rendering-engine-for-ruby/

Over the last months I’ve been working on libgd-gis, a GIS rendering engine for Ruby focused on server-side, deterministic map generation.

It supports: • Raster basemaps (OSM, CARTO, ESRI, Stamen…) • GeoJSON overlays (lines, polygons, points) • Labels, icons, and post-render annotations • Static PNG/JPEG/BMP output — perfect for reports, background jobs, and PDFs

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