Datumgrid CDN

The s3:// bucket is hosted by the Amazon Public Datasets program, and it can be accessed via HTTP/S at CDN services are provided by the AWS Public Dataset team via CloudFront.

The CDN contains Cloud Optimized GeoTIFF datasets which are mirrored and managed by the GitHub project. Files in the CDN are designed to be used by PROJ 7 or later, but any software project wishing to use the CDN for shifting support are encouraged to participate in the project and leverage the CDN.


If you are able, you are encouraged to mirror the grids via AWS S3 command line:

aws s3 sync s3:// .

If direct S3 access is not possible, you can also use wget to locally mirror the data:

wget --mirror


Click on the map to display the names of the files under the pointer, and get the values of the shift(s).

The bucket contains the following files:

Austria Bundesamt für Eich- und Vermessungswessen

Geoscience Australia

Australian Intergovernmental Committee on Surveying and Mapping

IGN Belgium

Instituto Brasileiro de Geografia e Estatistica (IBGE)

Natural Resources Canada

Ministère de l'Énergie et des Ressources naturelles du Québec

Swisstopo Federal Office of Topography

Arbeitsgemeinschaft der Vermessungsverwaltungender der Länder der Bundesrepublik Deutschland (AdV)

Staatsbetrieb Geobasisinformation und Vermessung Sachsen GeoSN

LGL Baden-Württemberg

LVGL Saarland

Danish Agency for Data Supply and Efficiency

Institut Cartogràfic i Geològic de Catalunya (ICGC)

Instituto Geográfico Nacional (IGN)

The Nordic Geodetic Commission

National Land Survey of Finland (MML)

IGN France

National Land Survey of Iceland

Geospatial Information Authority of Japan

Gouvernement de Nouvelle Calédonie - DITTT

Nederlandse Samenwerking Geodetische Infrastructuur (NSGI)

Land Information New Zealand

DG Territorio


Geodetický a kartografický ústav Bratislava (GKU)

Ordnance Survey

US National Geospatial Intelligence Agency (NGA)

US National Oceanographic and Atmospheric Administration (NOAA)

Total size of content: 500 MB


Access logs to this resource are permanently deleted after one day, are not mirrored or stored, and are not publicly available. If this policy is not sufficient, users are encourage to mirror a local copy of the grid files and access them directly.

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