OpenStreetMap US

OpenStreetMap US Tech Lead Quincy Morgan introduces Layercake, a new cloud-native way to work with OSM data, at FedGeoDay 2025 in Washington, D.C.

Speaker

Quincy Morgan

Quincy is a mapper, developer, and traveler from Philadelphia, Pennsylvania. He currently supports community tools and websites as Technical Lead at OpenStreetMap US.

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Layercake

OpenStreetMap’s native file format is OSM PBF, but this 80GB ‘planet file’ is unwieldly and not supported by all GIS software. Layercake is OSM data extracted into thematic layers (buildings, transportation, etc) and converted to cloud-native file formats that are easy to use with software from DuckDB to QGIS.

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Previous talk
OpenStreetMap Trail Mapping for Responsible Recreation

Dec 19, 2024 · Quincy Morgan and Jake Low

Description from americantrails.org: OpenStreetMap (OSM) is the free, crowdsourced map of the world. In recreation, OSM helps trail users decide where to go by powering apps like AllTrails, Gaia GPS, CalTopo, and...