Getting started
1:50 000 Scale Colour Raster is a mid-scale product in Ordnance Survey’s raster portfolio, providing a raster image of the popular OS Landranger Map series.
Overview (PDF)
The Overview introduces the product and gives context for all users. It highlights key features, provides examples of potential uses for the product and lists details like file sizes, supply formats, etc.
Map symbols legend (PDF)
The legend for the 1:50 000 scale colour raster.
Map symbols legend in Welsh (PDF)
The legend for the 1:50 000 scale colour raster, in Welsh.
Technical information
Technical Specification (PDF)
The Technical Specification provides detailed technical information about the product. It is targeted at technical users and software developers.
| Key Features | What this product offers |
|---|---|
| Format | GeoTIFF, TIFF 8-bit LZW compressed, TIFF Palette 8-bit (256 colours) uncompressed and Windows® BMP uncompressed. |
| Tile size | 20km x 20km |
| Data structure | Raster |
| Colour options | 256 colours |
| Scale | 1: 50 000 |
| Update frequency | Quarterly (March, June, September and December) - change only updates |
| Supply | Download |
| Coverage | Great Britain |
Links and downloads
All the information you need to get started with 1:50 000 Scale Colour Raster.
FAQs
