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Just Released: Third Update to Daylight Map Distribution

Sep 4th, 2020

This announcement was originally published as an OSM Diary post.

Facebook is releasing a third update to Daylight, our complete, downloadable preview of OpenStreetMap data.

📥 Download Daylight Map Distribution right now in OpenStreetMap PBF format: 📦 planet-v0.3.osm.pbf (57GB).

Earlier this year, Facebook released Daylight as part of our work with OpenStreetMap. We use maps to let our users find friends, businesses, groups and much more. OpenStreetMap (OSM), the open source wiki map, has a substantial global footprint of map data built and maintained by a dedicated community of global mappers making OSM a natural choice for Facebook.

Every day, our mapping teams work to confirm OSM’s millions of community contributions for consistency and quality by excluding intentional and unintentional edits that are incompatible with our use cases. Daylight is the result of that process.

Daylight Map Distribution

With this third release, we’ve continued our collaboration with the Microsoft Building Footprints project on an extension to Daylight. Users of Daylight can continue to apply missing building footprints in the United States, Canada, Uganda, and Tanzania to render more complete-looking maps:

Visual comparison between Daylight v0.3 and Daylight with Buildings

Larry Freil at Microsoft has posted a detailed exploration of this data, including suggestions for how to apply buildings data to Daylight for rendering OpenStreetMap with Mapnik. Microsoft provides the building footprint data under the Open Data Commons Open Database License (ODbL).

Throughout the remainder of this year, we will continue to publish releases of Daylight and conflated building footprints files from Microsoft approximately each month. Additionally, we will release details of the OSM tags we consider for inclusion in Daylight after converting them to a format suitable for use with existing community data tools.

How To Reach The Team

If you have any questions about this data distribution, we have created a #daylightdistro_feedback Slack channel in OSM US. Members of the team will be there periodically to answer questions. You can also email the team at osm@fb.com.

Learn more about the technology behind our process from our engineering team:

Download Daylight Map Distribution files in OSM-compatible formats:

If you’ve benefited from OpenStreetMap data in your work, consider joining the OSM Foundation as a voting member to help steer the future of this global open data project! Time is running out to join 90+ days before the expected OSMF December Annual General Meeting as an eligible voting member.