High Definition Ordnance Survey Maps

Increased clarity results in stunning maps on screen and on paper. Improved colour representation equalling Ordnance Survey paper maps. Improved printing quality.


Ordnance Survey High Definition (HD) Maps

  • Ordnance Survey 1:25,000 Scale Explorer mapping available in HD format.
  • Ordnance Survey 1:50,000 Scale Landranger mapping available in HD format.
  • Over six times the resolution of standard Ordnance Survey maps.
  • Increased clarity results in stunning maps on screen and on paper.
  • Improved colour representation equalling Ordnance Survey paper maps.
  • Improved printing quality.

660 Dots Per Inch Mapping

We have been supplied with new 660 DPI mapping and the results are simply stunning. Colours are much more faithful to the paper map originals, lettering and contour lines are smoother and clearer. These HD maps are beautiful.


Compare for yourself

Inside the Map Manager, first of all press the ‘Map Sync’ button to update your available maps. Then locate the ‘Anquet Demo Maps’ group and click on the arrow to the left to expand the group of maps. From here you can download the following maps to compare HD and normal mapping: ‘OS 1:25,000′, ‘OS 1:25,000 HD’, ‘OS 1:50,000′ and ‘OS 1:50,000 HD’.


If you have Outdoor Map Navigator Pro installed, you can bring the maps up in Split Screen and view them side by side.


The move to 660 DPI

Anquet Maps have been licensing Ordnance Survey mapping for over ten years. When we started out, the size of the datasets were just huge even for PC’s of the day. Now it’s possible to keep all of this data on a smartphone!

When the Ordnance Survey launched their digital mapping, they specified it for computers of the time, and so all data was supplied at 254 DPI (Dots Per Inch.)

With ever increasing speed and storage capabilities of computers, it was time for the Ordnance Survey to update the quality.

Most modern printers can now also far exceed the original 254 DPI standard data, and therefore 660 DPI data will produce much clearer map prints.


Dots Per Inch (DPI)

HD resolution mapping is 660 DPI, so one square inch of mapping has 660*660 pixels.

Standard resolution Ordnance Survey mapping is 254 DPI, so one square inch of mapping has 254 *254 pixels.

Doing some simple maths: (660*660)/ (254*254) = 6.75 more definition.


Compression

Although the source data is sizeable, using our own compression techniques which are well suited to mapping, the growth in file size is very reasonable for the improvement in quality. For instance complete Great Britain OS 1:50,000 HD data is 4GB, compared to 2.7GB for the standard data.