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Our maps and data

A guide to our product information

The listings of data products we provide are intended to provide a comprehensive reference of all data products in a collection and their essential features, plus links to Terms of Use and support documentation. The lists contain the following fields;

  • Name - the official name of the data product.
  • Scale - the scale(s) at which the data product is produced.
  • Current version The publication date of the version of the data product which is available in Data Download. NOTE: the version available in Roam can be an earlier version - check the Map Information menu in Roam.
  • Formats - the formats available in Data Download. NOTE: for some data products Digimap provides the data in additional formats to those given to us by the data providers.
  • Data allowance - the quantity of a data product available in one download requst from Data Download.
  • Grid size - some data products are provided in tiles of uniform size that correspond with British National Grid squares. Users will receive the data tiles that intersect with the grid squarea covering the area they define in Data Download. The information in this field gives the tile size. For other data products, users will be provided with the area they define or a set boundary area.
  • Terms of Use - a link to the relevant terms of use for a product.
  • Guidance - where available, we provide links to support documentation from our data providers. NOTE: when users download data, the docs folder will contain (where available) the most recent version of support documentation from data providers.

Marine data products

Name Scale Current version Formats Data allowance Grid size Terms of Use Guidance
Marine Themes Vector 1:25000 December 2020 File Geodatabase; GeoPackage unlimited user defined area Marine Digimap Licence OceanWise info.
Raster Charts 1:50000 April 2021 TIFF 30 tiles 20x20km Marine Digimap Licence OceanWise info.
Raster Charts Excluding Land 1:50000 April 2021 TIFF 30 tiles 20x20km Marine Digimap Licence OceanWise info.
Bathymetry - Marine DEM 1 Arc Second 1:50000 November 2020 ASC 50 tiles 30x30km Marine Digimap Licence OceanWise info.
Bathymetry - Marine DEM 1 Arc Second 1:250000 October 2013 ASC unlimited 120x120km Marine Digimap Licence OceanWise info.