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.
User guide (PDF)
This user guide is designed to provide an overview of 1:50 000 Scale Colour Raster and it gives guidelines and advice on how a customer might derive the maximum benefit from the product.
Map symbols legend (PDF)
The legend for the 1:50 000 scale.
Map symbols legend in Welsh (PDF)
The legend for the 1:50 000 scale, in Welsh.
The technical specification, which is included in the user guide, includes information about 1:50 000 Scale Colour Raster data, file compression, symbology, georeferencing and formats.
|Key Features||What this product offers|
|Format||Various, including TIFF Palette 8 bit (256 colours) uncompressed and with LZW compression|
|Tile size||20km x 20km|
|Colour options||256 colours|
|Scale||1: 50 000|
|Update frequency||Quarterly – March, June, September and December (change-only updates)|
|Supply||FTP (for orders smaller than 2 Gb) and DVD|