OPEN PLANETARY DATASETS · PROVENANCE & LICENSING
Geographic data attribution
The Earth Games world is generated from the open datasets below. Map data © OpenStreetMap contributors, available under the Open Database License. Building styles, textures and other detail not present in source data are procedurally generated approximations.
| Source | Attribution | License | Obligations |
|---|---|---|---|
| OpenStreetMap osm | © OpenStreetMap contributors | ODbL-1.0 | Attribute; derivative databases (our tile JSON) must be offered under ODbL. Rendered scenes are Produced Works. |
| Overture Maps – buildings overture-buildings | © OpenStreetMap contributors, Overture Maps Foundation | ODbL-1.0 | As OSM (theme includes OSM-derived data). |
| Overture Maps – places overture-places | Overture Maps Foundation (CDLA-Permissive-2.0) | CDLA-Permissive-2.0 | Include license text when redistributing data. |
| Overture Maps – addresses overture-addresses | Overture Maps Foundation (addresses: per-source licences) | Mixed open (per record; CC0/CC-BY/ODbL) | Raw capture only for now; keep per-record source licences and attribute each source if published. |
| NASA POWER climatology nasa-power | Climate: NASA Langley Research Center POWER Project | Public Domain (US Gov) | None; credit requested. |
| USGS 3D Elevation Program usgs3dep | Elevation: USGS 3DEP | Public Domain (US Gov) | None; credit requested. |
| Mapzen Terrain Tiles (AWS Open Data) terrarium | Elevation: Mapzen Terrain Tiles (USGS 3DEP/NED, SRTM, GMTED2010, ETOPO1 and others) | Mixed open (see attribution) | Reproduce component credits per joerd attribution doc. |
| Copernicus DEM GLO-30 copernicus-glo30 | Elevation: Copernicus DEM GLO-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018, provided under COPERNICUS by the European Union and ESA | Copernicus DEM licence (free, worldwide) | Attribute as given. Surface model (includes trees/buildings); used outside 3DEP coverage. |
| IGN RGE ALTI (France) ign-rgealti | Elevation (France): © IGN RGE ALTI | Licence Ouverte / Etalab 2.0 | Attribute IGN and the date of the data. Bare earth at 1–5 m; GLO-30 fills pixels outside France. |
| AHN4 (Netherlands) ahn4 | Elevation (Netherlands): AHN4 via PDOK | CC0 1.0 | None required (CC0); credit given anyway. 0.5 m lidar bare earth; GLO-30 fills no-data. |
| Environment Agency LiDAR Composite DTM (England) ea-lidar-dtm | Elevation (England): © Environment Agency copyright and/or database right. All rights reserved. | Open Government Licence v3.0 | OGL v3: include the attribution statement. 1 m lidar bare earth; GLO-30 fills no-data. |
| CNIG MDT05 (Spain) cnig-mdt05 | Elevation (Spain): MDT05 derived from PNOA © Instituto Geográfico Nacional | CC BY 4.0 (scne.es) | CC BY 4.0: credit IGN/CNIG. 5 m bare earth in whole meters; GLO-30 fills no-data. |
| swissALTI3D (Switzerland) swissalti3d | Elevation (Switzerland): © swisstopo swissALTI3D | Swiss federal open government data, free with attribution | Credit swisstopo. 2 m lidar bare earth from 1 km tiles; GLO-30 fills no-data. |
| DHM/Terræn (Denmark) dhm-terraen | Elevation (Denmark): DHM/Terræn © Klimadatastyrelsen | Danish free data terms (Klimadatastyrelsen), free with attribution | Credit Klimadatastyrelsen. Needs DATAFORSYNINGEN_TOKEN; 0.4 m lidar bare earth; GLO-30 fills no-data. |
| Kartverket DTM (Norway) kartverket-dtm | Elevation (Norway): © Kartverket | CC BY 4.0 | Credit Kartverket. 1 m lidar bare earth via Geonorge WCS; zero (outside Norway) is filled from GLO-30. |
| GUGiK NMT (Poland) gugik-nmt | Elevation (Poland): NMT © GUGiK | Polish open geodata terms (free reuse, Geodetic and Cartographic Law 2020), attribution | Credit GUGiK. 1 m grid via Geoportal WCS; zero (outside Poland) is filled from GLO-30. |
| DHMV II (Flanders) dhmv-flanders | Elevation (Flanders): DHMV II © Digitaal Vlaanderen | Modellicentie Gratis Hergebruik (free reuse with attribution, CC BY 4.0 compatible) | Credit Digitaal Vlaanderen. 1 m lidar bare earth (Flanders and Brussels); GLO-30 fills no-data. |
| Muninn drone contributions muninn-contrib | Aerial imagery: contributors via Muninn | Owned by Earth Games (contributor assignment; see shared/contrib-terms.js) | Credit each pilot as "Aerial imagery: <pilot> via Muninn". Stored as separate tile assets, never mixed into the ODbL tile data. Terms need legal review before launch. |
| OpenStreetMap extracts (Geofabrik) geofabrik | © OpenStreetMap contributors | ODbL-1.0 | As OSM (same data, offline delivery). |
| USDA NAIP imagery naip | Imagery: USDA NAIP | Public Domain (US Gov) | None; credit requested. |
| USGS NLCD land cover nlcd | Land cover: USGS NLCD | Public Domain (US Gov) | None; credit requested. |
| ESA WorldCover 2021 v200 esa-worldcover | Land cover: © ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium | CC-BY-4.0 | Attribute as given; indicate changes (we resample to an 8 m class grid). |