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libgd-gis continues to grow — now with styles and more

by Giménez Silva Germán Alberto —

https://rubystacknews.com/2026/01/12/libgd-gis-continues-to-grow-now-with-styles-and-more/

Over the last few weeks I’ve been evolving libgd-gis, a raster GIS engine written in Ruby on top of libgd. What started as a simple GeoJSON renderer now supports:

• Cartographic styles • Layered GeoJSON (roads, rivers, parks, rails, points) • A full labeling system (lines, polygons, POIs) • Direct image composition via map.image

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