1:25 000 Scale Colour Raster

1:25 000 Scale Colour Raster | Data Products | OSOrdnance Survey

1:25 000 Scale Colour Raster is the digital alternative to Ordnance Survey's OS Explorer paper map series for Great Britain available in 10km square tiles. The 1:25 000 Scale Colour Raster’s backdrop can be overlaid with other Ordnance Survey vector products or a customer’s own geographic/business data or used as a standalone map.

This product is updated quarterly in March, June, September and December.

An example of a 1:25 000 Scale Colour Raster map

Benefits

Must-have map for hikers and cyclists

1:25 000 Scale Colour Raster is the must-have map in any navigation app or device for hikers and cyclists. It depicts the landscape with detail and clarity that’s unsurpassed at this scale.

Easy software annotation

When you need map extracts for a consultation document, or a magazine for walkers, 1:25 000 Scale Colour Raster TIFF files can be opened and annotated in software like Photoshop and InDesign.

Clearly see places of interest

Tourist and heritage attractions of many types are shown on this mapping, so leisure app users can use it to find their way to a place of interest, whether it breaks up a day’s walking or keeps the kids amused on a rainy day.

Product resolution

660 dpi or 254 dpi

Colour options

Palette of 256 colours

Use Cases

Summary

How to get this product

Access to this product is free for PSGA (Public Sector Geospatial Agreement) Members. You can check if your organisation is a member of the PSGA on the OS website.

The 1:25 000 Scale Colour Raster product page on the OS website has advice on how to get the product for developers, businesses, OS Partners and PSGA Members (i.e. government and the public sector).

Sample data

Download 1:25 000 Scale Colour Raster sample data

You can download sample data for the product for free from the OS Data Hub. The sample data are available in GeoTIFF format and cover three areas (Exeter, Newport and Inverness).

Visualise 1:25 000 Scale Colour Raster sample data online

This product is available to try out free online using one of our three sets of sample data (Exeter, Newport and Inverness) through the OS MasterMap Product Viewer:

OS MasterMap Product Viewer

Interactive demonstrator of OS MasterMap Generation data

What's next?

To access additional documentation and resources relating to this product, please refer to the following:

Contextual or Derived Mapping Products Overview

This overview contains product information relating to the Contextual or Derived Mapping products, including available formats, metadata, data compression details, etc.

Overview

The overview introduces 1:50 000 Scale Colour Raster and gives context for all users – highlighting key features, giving potential uses, and listing details such as coverage, currency, etc.

Contextual or Derived Mapping Products Technical Specification

This technical specification provides detailed technical information relating to the Contextual or Derived Mapping products, including georeferencing information, a glossary and abbreviations used in certain products.

Technical Specification

The technical specification provides detailed technical information about 1:25 000 Scale Colour Raster. It is targeted at technical users and software developers.

Downloads

The downloads page provides links and resources to support the application of 1:25 000 Scale Colour Raster within your environment.

New users should start with the Overview to gain high-level insight into the product. The family information documents provide generalised information across all three Colour Raster Map products. The Technical Specification contains detailed technical insights.